diff options
Diffstat (limited to 'board/MAI/bios_emulator/scitech/src/pm/common')
| -rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/common/_cpuinfo.asm | 600 | ||||
| -rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/common/_dma.asm | 246 | ||||
| -rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/common/_int64.asm | 309 | ||||
| -rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/common/_joy.asm | 230 | ||||
| -rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/common/_mtrr.asm | 272 | ||||
| -rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/common/_pcihelp.asm | 358 | ||||
| -rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/common/agp.c | 189 | ||||
| -rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/common/keyboard.c | 449 | ||||
| -rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/common/malloc.c | 205 | ||||
| -rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/common/mtrr.c | 867 | ||||
| -rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/common/pcilib.c | 747 | ||||
| -rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/common/unixio.c | 306 | ||||
| -rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/common/vgastate.c | 377 |
13 files changed, 0 insertions, 5155 deletions
diff --git a/board/MAI/bios_emulator/scitech/src/pm/common/_cpuinfo.asm b/board/MAI/bios_emulator/scitech/src/pm/common/_cpuinfo.asm deleted file mode 100644 index 60ebed713f..0000000000 --- a/board/MAI/bios_emulator/scitech/src/pm/common/_cpuinfo.asm +++ /dev/null @@ -1,600 +0,0 @@ -;**************************************************************************** -;* -;* SciTech OS Portability Manager Library -;* -;* ======================================================================== -;* -;* The contents of this file are subject to the SciTech MGL Public -;* License Version 1.0 (the "License"); you may not use this file -;* except in compliance with the License. You may obtain a copy of -;* the License at http://www.scitechsoft.com/mgl-license.txt -;* -;* Software distributed under the License is distributed on an -;* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or -;* implied. See the License for the specific language governing -;* rights and limitations under the License. -;* -;* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc. -;* -;* The Initial Developer of the Original Code is SciTech Software, Inc. -;* All Rights Reserved. -;* -;* ======================================================================== -;* -;* Language: NASM or TASM Assembler -;* Environment: Intel 32 bit Protected Mode. -;* -;* Description: Code to determine the Intel processor type. -;* -;**************************************************************************** - - IDEAL - -include "scitech.mac" - -header _cpuinfo - -begdataseg _cpuinfo ; Start of data segment - -cache_id db "01234567890123456" -intel_id db "GenuineIntel" ; Intel vendor ID -cyrix_id db "CyrixInstead" ; Cyrix vendor ID -amd_id db "AuthenticAMD" ; AMD vendor ID -idt_id db "CentaurHauls" ; IDT vendor ID - -CPU_IDT EQU 01000h ; Flag for IDT processors -CPU_Cyrix EQU 02000h ; Flag for Cyrix processors -CPU_AMD EQU 04000h ; Flag for AMD processors -CPU_Intel EQU 08000h ; Flag for Intel processors - -enddataseg _cpuinfo - -begcodeseg _cpuinfo ; Start of code segment - -ifdef USE_NASM -%macro mCPU_ID 0 -db 00Fh,0A2h -%endmacro -else -MACRO mCPU_ID -db 00Fh,0A2h -ENDM -endif - -ifdef USE_NASM -%macro mRDTSC 0 -db 00Fh,031h -%endmacro -else -MACRO mRDTSC -db 00Fh,031h -ENDM -endif - -;---------------------------------------------------------------------------- -; bool _CPU_check80386(void) -;---------------------------------------------------------------------------- -; Determines if we have an i386 processor. -;---------------------------------------------------------------------------- -cprocstart _CPU_check80386 - - enter_c - - xor edx,edx ; EDX = 0, not an 80386 - mov bx, sp -ifdef USE_NASM - and sp, ~3 -else - and sp, not 3 -endif - pushfd ; Push original EFLAGS - pop eax ; Get original EFLAGS - mov ecx, eax ; Save original EFLAGS - xor eax, 40000h ; Flip AC bit in EFLAGS - push eax ; Save new EFLAGS value on - ; stack - popfd ; Replace current EFLAGS value - pushfd ; Get new EFLAGS - pop eax ; Store new EFLAGS in EAX - xor eax, ecx ; Can't toggle AC bit, - ; processor=80386 - jnz @@Done ; Jump if not an 80386 processor - inc edx ; We have an 80386 - -@@Done: push ecx - popfd - mov sp, bx - mov eax, edx - leave_c - ret - -cprocend - -;---------------------------------------------------------------------------- -; bool _CPU_check80486(void) -;---------------------------------------------------------------------------- -; Determines if we have an i486 processor. -;---------------------------------------------------------------------------- -cprocstart _CPU_check80486 - - enter_c - -; Distinguish between the i486 and Pentium by the ability to set the ID flag -; in the EFLAGS register. If the ID flag is set, then we can use the CPUID -; instruction to determine the final version of the chip. Otherwise we -; simply have an 80486. - -; Distinguish between the i486 and Pentium by the ability to set the ID flag -; in the EFLAGS register. If the ID flag is set, then we can use the CPUID -; instruction to determine the final version of the chip. Otherwise we -; simply have an 80486. - - pushfd ; Get original EFLAGS - pop eax - mov ecx, eax - xor eax, 200000h ; Flip ID bit in EFLAGS - push eax ; Save new EFLAGS value on stack - popfd ; Replace current EFLAGS value - pushfd ; Get new EFLAGS - pop eax ; Store new EFLAGS in EAX - xor eax, ecx ; Can not toggle ID bit, - jnz @@1 ; Processor=80486 - mov eax,1 ; We dont have a Pentium - jmp @@Done -@@1: mov eax,0 ; We have Pentium or later -@@Done: leave_c - ret - -cprocend - -;---------------------------------------------------------------------------- -; bool _CPU_checkClone(void) -;---------------------------------------------------------------------------- -; Checks if the i386 or i486 processor is a clone or genuine Intel. -;---------------------------------------------------------------------------- -cprocstart _CPU_checkClone - - enter_c - - mov ax,5555h ; Check to make sure this is a 32-bit processor - xor dx,dx - mov cx,2h - div cx ; Perform Division - clc - jnz @@NoClone - jmp @@Clone -@@NoClone: - stc -@@Clone: - pushfd - pop eax ; Get the flags - and eax,1 - xor eax,1 ; EAX=0 is probably Intel, EAX=1 is a Clone - - leave_c - ret - -cprocend - -;---------------------------------------------------------------------------- -; bool _CPU_haveCPUID(void) -;---------------------------------------------------------------------------- -; Determines if we have support for the CPUID instruction. -;---------------------------------------------------------------------------- -cprocstart _CPU_haveCPUID - - enter_c - -ifdef flatmodel - pushfd ; Get original EFLAGS - pop eax - mov ecx, eax - xor eax, 200000h ; Flip ID bit in EFLAGS - push eax ; Save new EFLAGS value on stack - popfd ; Replace current EFLAGS value - pushfd ; Get new EFLAGS - pop eax ; Store new EFLAGS in EAX - xor eax, ecx ; Can not toggle ID bit, - jnz @@1 ; Processor=80486 - mov eax,0 ; We dont have CPUID support - jmp @@Done -@@1: mov eax,1 ; We have CPUID support -else - mov eax,0 ; CPUID requires 32-bit pmode -endif -@@Done: leave_c - ret - -cprocend - -;---------------------------------------------------------------------------- -; uint _CPU_checkCPUID(void) -;---------------------------------------------------------------------------- -; Determines the CPU type using the CPUID instruction. -;---------------------------------------------------------------------------- -cprocstart _CPU_checkCPUID - - enter_c - - xor eax, eax ; Set up for CPUID instruction - mCPU_ID ; Get and save vendor ID - cmp eax, 1 ; Make sure 1 is valid input for CPUID - jl @@Fail ; We dont have the CPUID instruction - xor eax,eax ; Assume vendor is unknown - -; Check for GenuineIntel processors - - LEA_L esi,intel_id - cmp [DWORD esi], ebx - jne @@NotIntel - cmp [DWORD esi+4], edx - jne @@NotIntel - cmp [DWORD esi+8], ecx - jne @@NotIntel - mov eax,CPU_Intel ; Flag that we have GenuineIntel - jmp @@FoundVendor - -; Check for CyrixInstead processors - -@@NotIntel: - LEA_L esi,cyrix_id - cmp [DWORD esi], ebx - jne @@NotCyrix - cmp [DWORD esi+4], edx - jne @@NotCyrix - cmp [DWORD esi+8], ecx - jne @@NotCyrix - mov eax,CPU_Cyrix ; Flag that we have CyrixInstead - jmp @@FoundVendor - -; Check for AuthenticAMD processors - -@@NotCyrix: - LEA_L esi,amd_id - cmp [DWORD esi], ebx - jne @@NotAMD - cmp [DWORD esi+4], edx - jne @@NotAMD - cmp [DWORD esi+8], ecx - jne @@NotAMD - mov eax,CPU_AMD ; Flag that we have AuthenticAMD - jmp @@FoundVendor - -; Check for CentaurHauls processors - -@@NotAMD: - LEA_L esi,idt_id - cmp [DWORD esi], ebx - jne @@NotIDT - cmp [DWORD esi+4], edx - jne @@NotIDT - cmp [DWORD esi+8], ecx - jne @@NotIDT - mov eax,CPU_IDT ; Flag that we have AuthenticIDT - jmp @@FoundVendor - -@@NotIDT: - -@@FoundVendor: - push eax - xor eax, eax - inc eax - mCPU_ID ; Get family/model/stepping/features - and eax, 0F00h - shr eax, 8 ; Isolate family - and eax, 0Fh - pop ecx - or eax,ecx ; Combine in the clone flag -@@Done: leave_c - ret - -@@Fail: xor eax,eax - jmp @@Done - -cprocend - -;---------------------------------------------------------------------------- -; uint _CPU_getCPUIDModel(void) -;---------------------------------------------------------------------------- -; Determines the CPU type using the CPUID instruction. -;---------------------------------------------------------------------------- -cprocstart _CPU_getCPUIDModel - - enter_c - - xor eax, eax ; Set up for CPUID instruction - mCPU_ID ; Get and save vendor ID - cmp eax, 1 ; Make sure 1 is valid input for CPUID - jl @@Fail ; We dont have the CPUID instruction - xor eax, eax - inc eax - mCPU_ID ; Get family/model/stepping/features - and eax, 0F0h - shr eax, 4 ; Isolate model -@@Done: leave_c - ret - -@@Fail: xor eax,eax - jmp @@Done - -cprocend - -;---------------------------------------------------------------------------- -; uint _CPU_getCPUIDStepping(void) -;---------------------------------------------------------------------------- -; Determines the CPU type using the CPUID instruction. -;---------------------------------------------------------------------------- -cprocstart _CPU_getCPUIDStepping - - enter_c - - xor eax, eax ; Set up for CPUID instruction - mCPU_ID ; Get and save vendor ID - cmp eax, 1 ; Make sure 1 is valid input for CPUID - jl @@Fail ; We dont have the CPUID instruction - xor eax, eax - inc eax - mCPU_ID ; Get family/model/stepping/features - and eax, 00Fh ; Isolate stepping -@@Done: leave_c - ret - -@@Fail: xor eax,eax - jmp @@Done - -cprocend - -;---------------------------------------------------------------------------- -; uint _CPU_getCPUIDFeatures(void) -;---------------------------------------------------------------------------- -; Determines the CPU type using the CPUID instruction. -;---------------------------------------------------------------------------- -cprocstart _CPU_getCPUIDFeatures - - enter_c - - xor eax, eax ; Set up for CPUID instruction - mCPU_ID ; Get and save vendor ID - cmp eax, 1 ; Make sure 1 is valid input for CPUID - jl @@Fail ; We dont have the CPUID instruction - xor eax, eax - inc eax - mCPU_ID ; Get family/model/stepping/features - mov eax, edx -@@Done: leave_c - ret - -@@Fail: xor eax,eax - jmp @@Done - -cprocend - -;---------------------------------------------------------------------------- -; uint _CPU_getCacheSize(void) -;---------------------------------------------------------------------------- -; Determines the CPU cache size for Intel processors -;---------------------------------------------------------------------------- -cprocstart _CPU_getCacheSize - - enter_c - xor eax, eax ; Set up for CPUID instruction - mCPU_ID ; Get and save vendor ID - cmp eax,2 ; Make sure 2 is valid input for CPUID - jl @@Fail ; We dont have the CPUID instruction - mov eax,2 - mCPU_ID ; Get cache descriptors - LEA_L esi,cache_id ; Get address of cache ID (-fPIC aware) - shr eax,8 - mov [esi+0],eax - mov [esi+3],ebx - mov [esi+7],ecx - mov [esi+11],edx - xor eax,eax - LEA_L esi,cache_id ; Get address of cache ID (-fPIC aware) - mov edi,15 -@@ScanLoop: - cmp [BYTE esi],41h - mov eax,128 - je @@Done - cmp [BYTE esi],42h - mov eax,256 - je @@Done - cmp [BYTE esi],43h - mov eax,512 - je @@Done - cmp [BYTE esi],44h - mov eax,1024 - je @@Done - cmp [BYTE esi],45h - mov eax,2048 - je @@Done - inc esi - dec edi - jnz @@ScanLoop - -@@Done: leave_c - ret - -@@Fail: xor eax,eax - jmp @@Done - -cprocend - -;---------------------------------------------------------------------------- -; uint _CPU_have3DNow(void) -;---------------------------------------------------------------------------- -; Determines the CPU type using the CPUID instruction. -;---------------------------------------------------------------------------- -cprocstart _CPU_have3DNow - - enter_c - - mov eax,80000000h ; Query for extended functions - mCPU_ID ; Get extended function limit - cmp eax,80000001h - jbe @@Fail ; Nope, we dont have function 800000001h - mov eax,80000001h ; Setup extended function 800000001h - mCPU_ID ; and get the information - test edx,80000000h ; Bit 31 is set if 3DNow! present - jz @@Fail ; Nope, we dont have 3DNow support - mov eax,1 ; Yep, we have 3DNow! support! -@@Done: leave_c - ret - -@@Fail: xor eax,eax - jmp @@Done - -cprocend - -;---------------------------------------------------------------------------- -; ulong _CPU_quickRDTSC(void) -;---------------------------------------------------------------------------- -; Reads the time stamp counter and returns the low order 32-bits -;---------------------------------------------------------------------------- -cprocstart _CPU_quickRDTSC - - mRDTSC - ret - -cprocend - -;---------------------------------------------------------------------------- -; void _CPU_runBSFLoop(ulong interations) -;---------------------------------------------------------------------------- -; Runs a loop of BSF instructions for the specified number of iterations -;---------------------------------------------------------------------------- -cprocstart _CPU_runBSFLoop - - ARG iterations:ULONG - - push _bp - mov _bp,_sp - push _bx - - mov edx,[iterations] - mov eax,80000000h - mov ebx,edx - - ALIGN 4 - -@@loop: bsf ecx,eax - dec ebx - jnz @@loop - - pop _bx - pop _bp - ret - -cprocend - -;---------------------------------------------------------------------------- -; void _CPU_readTimeStamp(CPU_largeInteger *time); -;---------------------------------------------------------------------------- -; Reads the time stamp counter and returns the 64-bit result. -;---------------------------------------------------------------------------- -cprocstart _CPU_readTimeStamp - - mRDTSC - mov ecx,[esp+4] ; Access directly without stack frame - mov [ecx],eax - mov [ecx+4],edx - ret - -cprocend - -;---------------------------------------------------------------------------- -; ulong _CPU_diffTime64(CPU_largeInteger *t1,CPU_largeInteger *t2,CPU_largeInteger *t) -;---------------------------------------------------------------------------- -; Computes the difference between two 64-bit numbers. -;---------------------------------------------------------------------------- -cprocstart _CPU_diffTime64 - - ARG t1:DPTR, t2:DPTR, t:DPTR - - enter_c - - mov ecx,[t2] - mov eax,[ecx] ; EAX := t2.low - mov ecx,[t1] - sub eax,[ecx] - mov edx,eax ; EDX := low difference - mov ecx,[t2] - mov eax,[ecx+4] ; ECX := t2.high - mov ecx,[t1] - sbb eax,[ecx+4] ; EAX := high difference - - mov ebx,[t] ; Store the result - mov [ebx],edx ; Store low part - mov [ebx+4],eax ; Store high part - mov eax,edx ; Return low part -ifndef flatmodel - shld edx,eax,16 ; Return in DX:AX -endif - leave_c - ret - -cprocend - -;---------------------------------------------------------------------------- -; ulong _CPU_calcMicroSec(CPU_largeInteger *count,ulong freq); -;---------------------------------------------------------------------------- -; Computes the value in microseconds for the elapsed time with maximum -; precision. The formula we use is: -; -; us = (((diff * 0x100000) / freq) * 1000000) / 0x100000) -; -; The power of two multiple before the first divide allows us to scale the -; 64-bit difference using simple shifts, and then the divide brings the -; final result into the range to fit into a 32-bit integer. -;---------------------------------------------------------------------------- -cprocstart _CPU_calcMicroSec - - ARG count:DPTR, freq:ULONG - - enter_c - - mov ecx,[count] - mov eax,[ecx] ; EAX := low part - mov edx,[ecx+4] ; EDX := high part - shld edx,eax,20 - shl eax,20 ; diff * 0x100000 - div [DWORD freq] ; (diff * 0x100000) / freq - mov ecx,1000000 - xor edx,edx - mul ecx ; ((diff * 0x100000) / freq) * 1000000) - shrd eax,edx,20 ; ((diff * 0x100000) / freq) * 1000000) / 0x100000 -ifndef flatmodel - shld edx,eax,16 ; Return in DX:AX -endif - leave_c - ret - -cprocend - -;---------------------------------------------------------------------------- -; ulong _CPU_mulDiv(ulong a,ulong b,ulong c); -;---------------------------------------------------------------------------- -; Computes the following with 64-bit integer precision: -; -; result = (a * b) / c -; -;---------------------------------------------------------------------------- -cprocstart _CPU_mulDiv - - ARG a:ULONG, b:ULONG, c:ULONG - - enter_c - mov eax,[a] - imul [ULONG b] - idiv [ULONG c] -ifndef flatmodel - shld edx,eax,16 ; Return in DX:AX -endif - leave_c - ret - -cprocend - -endcodeseg _cpuinfo - - END diff --git a/board/MAI/bios_emulator/scitech/src/pm/common/_dma.asm b/board/MAI/bios_emulator/scitech/src/pm/common/_dma.asm deleted file mode 100644 index 2b6e1e8b56..0000000000 --- a/board/MAI/bios_emulator/scitech/src/pm/common/_dma.asm +++ /dev/null @@ -1,246 +0,0 @@ -;**************************************************************************** -;* -;* SciTech OS Portability Manager Library -;* -;* ======================================================================== -;* -;* The contents of this file are subject to the SciTech MGL Public -;* License Version 1.0 (the "License"); you may not use this file -;* except in compliance with the License. You may obtain a copy of -;* the License at http://www.scitechsoft.com/mgl-license.txt -;* -;* Software distributed under the License is distributed on an -;* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or -;* implied. See the License for the specific language governing -;* rights and limitations under the License. -;* -;* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc. -;* -;* The Initial Developer of the Original Code is SciTech Software, Inc. -;* All Rights Reserved. -;* -;* ======================================================================== -;* -;* Language: 80386 Assembler, TASM 4.0 or NASM -;* Environment: 16/32 bit Ring 0 device driver -;* -;* Description: Assembler support routines for ISA DMA controller. -;* -;**************************************************************************** - - IDEAL - -include "scitech.mac" ; Memory model macros - -header _dma ; Set up memory model - -begdataseg _dma ; Start of data segment - -cpublic _PM_DMADataStart - -; DMA register I/O addresses for channels 0-7 (except 4) - -DMAC_page db 087h,083h,081h,082h, -1,08Bh,089h,08Ah -DMAC_addr db 000h,002h,004h,006h, -1,0C4h,0C8h,0CCh -DMAC_cnt db 001h,003h,005h,007h, -1,0C6h,0CAh,0CEh -DMAC_mask db 00Ah,00Ah,00Ah,00Ah, -1,0D4h,0D4h,0D4h -DMAC_mode db 00Bh,00Bh,00Bh,00Bh, -1,0D6h,0D6h,0D6h -DMAC_FF db 00Ch,00Ch,00Ch,00Ch, -1,0D8h,0D8h,0D8h - -cpublic _PM_DMADataEnd - -enddataseg _dma - -begcodeseg _dma ; Start of code segment - -ifdef flatmodel - -cpublic _PM_DMACodeStart - -;---------------------------------------------------------------------------- -; void PM_DMACDisable(int channel); -;---------------------------------------------------------------------------- -; Masks DMA channel, inhibiting DMA transfers -;---------------------------------------------------------------------------- -cprocstart PM_DMACDisable - - ARG channel:UINT - - push ebp - mov ebp,esp - mov ecx,[channel] ; ECX indexes DMAC register tables - mov dh,0 ; DH = 0 for DMAC register port access - mov al,cl - and al,11b - or al,100b ; AL = (channel & 3) | "set mask bit" - mov dl,[DMAC_mask+ecx] - out dx,al - pop ebp - ret - -cprocend - -;---------------------------------------------------------------------------- -; void PM_DMACEnable(int channel); -;---------------------------------------------------------------------------- -; Unmasks DMA channel, enabling DMA transfers -;---------------------------------------------------------------------------- -cprocstart PM_DMACEnable - - ARG channel:UINT - - push ebp - mov ebp,esp - mov ecx,[channel] ; ECX indexes DMAC register tables - mov dh,0 ; DH = 0 for DMAC register port access - mov al,cl - and al,11b ; AL = (channel & 3), "set mask bit"=0 - mov dl,[DMAC_mask+ecx] - out dx,al - pop ebp - ret - -cprocend - -;---------------------------------------------------------------------------- -; void PM_DMACProgram(int channel,int mode,ulong bufferPhys,int count); -;---------------------------------------------------------------------------- -; Purpose: Program DMA controller to perform transfer from first 16MB -; based on previously selected mode and channel. DMA transfer may be enabled -; by subsequent call to PM_DMACEnable. -; -; Entry: channel - DMA channel in use (0-7) -; mode - Selected DMAMODE type for transfer -; buffer - 32-bit physical address of DMA buffer -; count - DMA byte count (1-65536 bytes) -;---------------------------------------------------------------------------- -cprocstart PM_DMACProgram - - ARG channel:UINT, mode:UINT, bufferPhys:ULONG, count:UINT - - enter_c - pushfd - cli ; Disable interrupts - -; Mask DMA channel to disable it - - mov ebx,[channel] ; EBX indexes DMAC register tables - mov dh,0 ; DH = 0 for DMAC register port access - mov al,bl - and al,11b - or al,100b ; AL = (channel & 3) | "set mask bit" - mov dl,[DMAC_mask+ebx] - out dx,al - -; Generate IOW to clear FF toggle state - - mov al,0 - mov dl,[DMAC_FF+ebx] - out dx,al - -; Compute buffer address to program - - mov eax,[bufferPhys] ; AX := DMA address offset - mov ecx,eax - shr ecx,16 ; CL := bufferPhys >> 16 (DMA page) - mov esi,[count] ; ESI = # of bytes to transfer - cmp ebx,4 ; 16-bit channel? - jb @@WriteDMAC ; No, program DMAC - shr eax,1 ; Yes, convert address and count - shr esi,1 ; to 16-bit, 128K/page format - -; Set the DMA address word (bits 0-15) - -@@WriteDMAC: - mov dl,[DMAC_addr+ebx] - out dx,al - mov al,ah - out dx,al - -; Set DMA transfer count - - mov eax,esi - dec eax ; ESI = # of bytes to transfer - 1 - mov dl,[DMAC_cnt+ebx] - out dx,al - mov al,ah - out dx,al - -; Set DMA page byte (bits 16-23) - - mov al,cl - mov dl,[DMAC_page+ebx] - out dx,al - -; Set the DMA channel mode - - mov al,bl - and al,11b - or al,[BYTE mode] ; EAX = (channel & 3) | mode - mov dl,[DMAC_mode+ebx] - out dx,al - - pop eax ; SMP safe interrupt state restore! - test eax,200h - jz @@1 - sti -@@1: leave_c - ret - -cprocend - -;---------------------------------------------------------------------------- -; ulong PMAPI PM_DMACPosition(int channel); -;---------------------------------------------------------------------------- -; Returns the current position in a dma transfer. Interrupts should be -; disabled before calling this function. -;---------------------------------------------------------------------------- -cprocstart PM_DMACPosition - - ARG channel:UINT - - enter_c - mov ecx,[channel] ; ECX indexes DMAC register tables - mov dh,0 ; DH = 0 for DMAC register port access - -; Generate IOW to clear FF toggle state - - mov al,0 - mov dl,[DMAC_FF+ebx] - out dx,al - xor eax,eax - xor ecx,ecx - -; Now read the current position for the channel - -@@ReadLoop: - mov dl,[DMAC_cnt+ebx] - out dx,al - in al,dx - mov cl,al - in al,dx - mov ch,al ; ECX := first count read - in al,dx - mov ah,al - in al,dx - xchg al,ah ; EAX := second count read - sub ecx,eax - cmp ecx,40h - jg @@ReadLoop - cmp ebx,4 ; 16-bit channel? - jb @@Exit ; No, we are done - shl eax,1 ; Yes, adjust to byte address - -@@Exit: leave_c - ret - -cprocend - - -cpublic _PM_DMACodeEnd - -endif - -endcodeseg _dma - - END ; End of module diff --git a/board/MAI/bios_emulator/scitech/src/pm/common/_int64.asm b/board/MAI/bios_emulator/scitech/src/pm/common/_int64.asm deleted file mode 100644 index fdec1b58d8..0000000000 --- a/board/MAI/bios_emulator/scitech/src/pm/common/_int64.asm +++ /dev/null @@ -1,309 +0,0 @@ -;**************************************************************************** -;* -;* SciTech OS Portability Manager Library -;* -;* ======================================================================== -;* -;* The contents of this file are subject to the SciTech MGL Public -;* License Version 1.0 (the "License"); you may not use this file -;* except in compliance with the License. You may obtain a copy of -;* the License at http://www.scitechsoft.com/mgl-license.txt -;* -;* Software distributed under the License is distributed on an -;* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or -;* implied. See the License for the specific language governing -;* rights and limitations under the License. -;* -;* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc. -;* -;* The Initial Developer of the Original Code is SciTech Software, Inc. -;* All Rights Reserved. -;* -;* ======================================================================== -;* -;* Language: NASM or TASM Assembler -;* Environment: Intel 32 bit Protected Mode. -;* -;* Description: Code for 64-bit arhithmetic -;* -;**************************************************************************** - - IDEAL - -include "scitech.mac" - -header _int64 - -begcodeseg _int64 ; Start of code segment - -a_low EQU 04h ; Access a_low directly on stack -a_high EQU 08h ; Access a_high directly on stack -b_low EQU 0Ch ; Access b_low directly on stack -shift EQU 0Ch ; Access shift directly on stack -result_2 EQU 0Ch ; Access result directly on stack -b_high EQU 10h ; Access b_high directly on stack -result_3 EQU 10h ; Access result directly on stack -result_4 EQU 14h ; Access result directly on stack - -;---------------------------------------------------------------------------- -; void _PM_add64(u32 a_low,u32 a_high,u32 b_low,u32 b_high,__u64 *result); -;---------------------------------------------------------------------------- -; Adds two 64-bit numbers. -;---------------------------------------------------------------------------- -cprocstart _PM_add64 - - mov eax,[esp+a_low] - add eax,[esp+b_low] - mov edx,[esp+a_high] - adc edx,[esp+b_high] - mov ecx,[esp+result_4] - mov [ecx],eax - mov [ecx+4],edx - ret - -cprocend - -;---------------------------------------------------------------------------- -; void _PM_sub64(u32 a_low,u32 a_high,u32 b_low,u32 b_high,__u64 *result); -;---------------------------------------------------------------------------- -; Subtracts two 64-bit numbers. -;---------------------------------------------------------------------------- -cprocstart _PM_sub64 - - mov eax,[esp+a_low] - sub eax,[esp+b_low] - mov edx,[esp+a_high] - sbb edx,[esp+b_high] - mov ecx,[esp+result_4] - mov [ecx],eax - mov [ecx+4],edx - ret - -cprocend - -;---------------------------------------------------------------------------- -; void _PM_mul64(u32 a_high,u32 a_low,u32 b_high,u32 b_low,__u64 *result); -;---------------------------------------------------------------------------- -; Multiples two 64-bit numbers. -;---------------------------------------------------------------------------- -cprocstart _PM_mul64 - - mov eax,[esp+a_high] - mov ecx,[esp+b_high] - or ecx,eax - mov ecx,[esp+b_low] - jnz @@FullMultiply - mov eax,[esp+a_low] ; EDX:EAX = b.low * a.low - mul ecx - mov ecx,[esp+result_4] - mov [ecx],eax - mov [ecx+4],edx - ret - -@@FullMultiply: - push ebx - mul ecx ; EDX:EAX = a.high * b.low - mov ebx,eax - mov eax,[esp+a_low+4] - mul [DWORD esp+b_high+4] ; EDX:EAX = b.high * a.low - add ebx,eax - mov eax,[esp+a_low+4] - mul ecx ; EDX:EAX = a.low * b.low - add edx,ebx - pop ebx - mov ecx,[esp+result_4] - mov [ecx],eax - mov [ecx+4],edx - ret - -cprocend - -;---------------------------------------------------------------------------- -; void _PM_div64(u32 a_low,u32 a_high,u32 b_low,u32 b_high,__u64 *result); -;---------------------------------------------------------------------------- -; Divides two 64-bit numbers. -;---------------------------------------------------------------------------- -cprocstart _PM_div64 - - push edi - push esi - push ebx - xor edi,edi - mov eax,[esp+a_high+0Ch] - or eax,eax - jns @@ANotNeg - -; Dividend is negative, so negate it and save result for later - - inc edi - mov edx,[esp+a_low+0Ch] - neg eax - neg edx - sbb eax,0 - mov [esp+a_high+0Ch],eax - mov [esp+a_low+0Ch],edx - -@@ANotNeg: - mov eax,[esp+b_high+0Ch] - or eax,eax - jns @@BNotNeg - -; Divisor is negative, so negate it and save result for later - - inc edi - mov edx,[esp+b_low+0Ch] - neg eax - neg edx - sbb eax,0 - mov [esp+b_high+0Ch],eax - mov [esp+b_low+0Ch],edx - -@@BNotNeg: - or eax,eax - jnz @@BHighNotZero - -; b.high is zero, so handle this faster - - mov ecx,[esp+b_low+0Ch] - mov eax,[esp+a_high+0Ch] - xor edx,edx - div ecx - mov ebx,eax - mov eax,[esp+a_low+0Ch] - div ecx - mov edx,ebx - jmp @@BHighZero - -@@BHighNotZero: - mov ebx,eax - mov ecx,[esp+b_low+0Ch] - mov edx,[esp+a_high+0Ch] - mov eax,[esp+a_low+0Ch] - -; Shift values right until b.high becomes zero - -@@ShiftLoop: - shr ebx,1 - rcr ecx,1 - shr edx,1 - rcr eax,1 - or ebx,ebx - jnz @@ShiftLoop - -; Now complete the divide process - - div ecx - mov esi,eax - mul [DWORD esp+b_high+0Ch] - mov ecx,eax - mov eax,[esp+b_low+0Ch] - mul esi - add edx,ecx - jb @@8 - cmp edx,[esp+a_high+0Ch] - ja @@8 - jb @@9 - cmp eax,[esp+a_low+0Ch] - jbe @@9 -@@8: dec esi -@@9: xor edx,edx - mov eax,esi - -@@BHighZero: - dec edi - jnz @@Done - -; The result needs to be negated as either a or b was negative - - neg edx - neg eax - sbb edx,0 - -@@Done: pop ebx - pop esi - pop edi - mov ecx,[esp+result_4] - mov [ecx],eax - mov [ecx+4],edx - ret - -cprocend - -;---------------------------------------------------------------------------- -; __i64 _PM_shr64(u32 a_low,s32 a_high,s32 shift,__u64 *result); -;---------------------------------------------------------------------------- -; Shift a 64-bit number right -;---------------------------------------------------------------------------- -cprocstart _PM_shr64 - - mov eax,[esp+a_low] - mov edx,[esp+a_high] - mov cl,[esp+shift] - shrd edx,eax,cl - mov ecx,[esp+result_3] - mov [ecx],eax - mov [ecx+4],edx - ret - -cprocend - -;---------------------------------------------------------------------------- -; __i64 _PM_sar64(u32 a_low,s32 a_high,s32 shift,__u64 *result); -;---------------------------------------------------------------------------- -; Shift a 64-bit number right (signed) -;---------------------------------------------------------------------------- -cprocstart _PM_sar64 - - mov eax,[esp+a_low] - mov edx,[esp+a_high] - mov cl,[esp+shift] - sar edx,cl - rcr eax,cl - mov ecx,[esp+result_3] - mov [ecx],eax - mov [ecx+4],edx - ret - -cprocend - -;---------------------------------------------------------------------------- -; __i64 _PM_shl64(u32 a_low,s32 a_high,s32 shift,__u64 *result); -;---------------------------------------------------------------------------- -; Shift a 64-bit number left -;---------------------------------------------------------------------------- -cprocstart _PM_shl64 - - mov eax,[esp+a_low] - mov edx,[esp+a_high] - mov cl,[esp+shift] - shld edx,eax,cl - mov ecx,[esp+result_3] - mov [ecx],eax - mov [ecx+4],edx - ret - -cprocend - -;---------------------------------------------------------------------------- -; __i64 _PM_neg64(u32 a_low,s32 a_high,__u64 *result); -;---------------------------------------------------------------------------- -; Shift a 64-bit number left -;---------------------------------------------------------------------------- -cprocstart _PM_neg64 - - mov eax,[esp+a_low] - mov edx,[esp+a_high] - neg eax - neg edx - sbb eax,0 - mov ecx,[esp+result_2] - mov [ecx],eax - mov [ecx+4],edx - ret - -cprocend - - -endcodeseg _int64 - - END diff --git a/board/MAI/bios_emulator/scitech/src/pm/common/_joy.asm b/board/MAI/bios_emulator/scitech/src/pm/common/_joy.asm deleted file mode 100644 index 0ff1ecf55d..0000000000 --- a/board/MAI/bios_emulator/scitech/src/pm/common/_joy.asm +++ /dev/null @@ -1,230 +0,0 @@ -;**************************************************************************** -;* -;* SciTech OS Portability Manager Library -;* -;* ======================================================================== -;* -;* The contents of this file are subject to the SciTech MGL Public -;* License Version 1.0 (the "License"); you may not use this file -;* except in compliance with the License. You may obtain a copy of -;* the License at http://www.scitechsoft.com/mgl-license.txt -;* -;* Software distributed under the License is distributed on an -;* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or -;* implied. See the License for the specific language governing -;* rights and limitations under the License. -;* -;* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc. -;* -;* The Initial Developer of the Original Code is SciTech Software, Inc. -;* All Rights Reserved. -;* -;* ======================================================================== -;* -;* Language: 80386 Assembler -;* Environment: Intel x86, any OS -;* -;* Description: Assembly language support routines for reading analogue -;* joysticks. -;* -;**************************************************************************** - - ideal - -include "scitech.mac" ; Memory model macros - -ifdef flatmodel - -header _joy ; Set up memory model - -begcodeseg _joy ; Start of code segment - -;---------------------------------------------------------------------------- -; initTimer -;---------------------------------------------------------------------------- -; Sets up 8253 timer 2 (PC speaker) to start timing, but not produce output. -;---------------------------------------------------------------------------- -cprocstatic initTimer - -; Start timer 2 counting - - in al,61h - and al,0FDh ; Disable speaker output (just in case) - or al,1 - out 61h,al - -; Set the timer 2 count to 0 again to start the timing interval. - - mov al,10110100b ; set up to load initial (timer 2) - out 43h,al ; timer count - sub al,al - out 42h,al ; load count lsb - out 42h,al ; load count msb - ret - -cprocend - -;---------------------------------------------------------------------------- -; readTimer2 -;---------------------------------------------------------------------------- -; Reads the number of ticks from the 8253 timer chip using channel 2 (PC -; speaker). This is non-destructive and does not screw up other libraries. -;---------------------------------------------------------------------------- -cprocstatic readTimer - - xor al,al ; Latch timer 0 command - out 43h,al ; Latch timer - in al,42h ; least significant byte - mov ah,al - in al,42h ; most significant byte - xchg ah,al - and eax,0FFFFh - ret - -cprocend - -;---------------------------------------------------------------------------- -; exitTimer -;---------------------------------------------------------------------------- -; Stops the 8253 timer 2 (PC speaker) counting -;---------------------------------------------------------------------------- -cprocstatic exitTimer - -; Stop timer 2 from counting - - push eax - in al,61h - and al,0FEh - out 61h,al - -; Some programs have a problem if we change the control port; better change it -; to something they expect (mode 3 - square wave generator)... - mov al,0B6h - out 43h,al - - pop eax - ret - -cprocend - -;---------------------------------------------------------------------------- -; int _EVT_readJoyAxis(int jmask,int *axis); -;---------------------------------------------------------------------------- -; Function to poll the joystick to read the current axis positions. -;---------------------------------------------------------------------------- -cprocstart _EVT_readJoyAxis - - ARG jmask:UINT, axis:DPTR - - LOCAL firstTick:UINT, lastTick:UINT, totalTicks:UINT = LocalSize - - enter_c - - mov ebx,[jmask] - mov edi,[axis] - mov ecx,(1193180/100) - and ebx,01111b ; Mask out supported axes - mov dx,201h ; DX := joystick I/O port - call initTimer ; Start timer 2 counting - call readTimer ; Returns counter in EAX - mov [lastTick],eax - -@@WaitStable: - in al,dx - and al,bl ; Wait for the axes in question to be - jz @@Stable ; done reading... - call readTimer ; Returns counter in EAX - xchg eax,[lastTick] - cmp eax,[lastTick] - jb @@1 - sub eax,[lastTick] -@@1: add [totalTicks],eax - cmp [totalTicks],ecx ; Check for timeout - jae @@Stable - jmp @@WaitStable - -@@Stable: - mov al,0FFh - out dx,al ; Start joystick reading - call initTimer ; Start timer 2 counting - call readTimer ; Returns counter in EAX - mov [firstTick],eax ; Store initial count - mov [lastTick],eax - mov [DWORD totalTicks],0 - cli - -@@PollLoop: - in al,dx ; Read Joystick port - not al - and al,bl ; Mask off channels we don't want to read - jnz @@AxisFlipped ; See if any of the channels flipped - call readTimer ; Returns counter in EAX - xchg eax,[lastTick] - cmp eax,[lastTick] - jb @@2 - sub eax,[lastTick] -@@2: add [totalTicks],eax - cmp [totalTicks],ecx ; Check for timeout - jae @@TimedOut - jmp @@PollLoop - -@@AxisFlipped: - xor esi,esi - mov ah,1 - test al,ah - jnz @@StoreCount ; Joystick 1, X axis flipped - add esi,4 - mov ah,2 - test al,ah - jnz @@StoreCount ; Joystick 1, Y axis flipped - add esi,4 - mov ah,4 - test al,ah - jnz @@StoreCount ; Joystick 2, X axis flipped - add esi,4 ; Joystick 2, Y axis flipped - mov ah,8 - -@@StoreCount: - or bh,ah ; Indicate this axis is active - xor bl,ah ; Unmark the channels that just tripped - call readTimer ; Returns counter in EAX - xchg eax,[lastTick] - cmp eax,[lastTick] - jb @@3 - sub eax,[lastTick] -@@3: add [totalTicks],eax - mov eax,[totalTicks] - mov [edi+esi],eax ; Record the time this channel flipped - cmp bl,0 ; If there are more channels to read, - jne @@PollLoop ; keep looping - -@@TimedOut: - sti - call exitTimer ; Stop timer 2 counting - movzx eax,bh ; Return the mask of working axes - leave_c - ret - -cprocend - -;---------------------------------------------------------------------------- -; int _EVT_readJoyButtons(void); -;---------------------------------------------------------------------------- -; Function to poll the current joystick buttons -;---------------------------------------------------------------------------- -cprocstart _EVT_readJoyButtons - - mov dx,0201h - in al,dx - shr al,4 - not al - and eax,0Fh - ret - -cprocend - -endcodeseg _joy - -endif - - END ; End of module diff --git a/board/MAI/bios_emulator/scitech/src/pm/common/_mtrr.asm b/board/MAI/bios_emulator/scitech/src/pm/common/_mtrr.asm deleted file mode 100644 index 1e0a6966ce..0000000000 --- a/board/MAI/bios_emulator/scitech/src/pm/common/_mtrr.asm +++ /dev/null @@ -1,272 +0,0 @@ -;**************************************************************************** -;* -;* SciTech OS Portability Manager Library -;* -;* ======================================================================== -;* -;* The contents of this file are subject to the SciTech MGL Public -;* License Version 1.0 (the "License"); you may not use this file -;* except in compliance with the License. You may obtain a copy of -;* the License at http://www.scitechsoft.com/mgl-license.txt -;* -;* Software distributed under the License is distributed on an -;* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or -;* implied. See the License for the specific language governing -;* rights and limitations under the License. -;* -;* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc. -;* -;* The Initial Developer of the Original Code is SciTech Software, Inc. -;* All Rights Reserved. -;* -;* ======================================================================== -;* -;* Language: 80386 Assembler, TASM 4.0 or NASM -;* Environment: 16/32 bit Ring 0 device driver -;* -;* Description: Assembler support routines for the Memory Type Range Register -;* (MTRR) module. -;* -;**************************************************************************** - - IDEAL - -include "scitech.mac" ; Memory model macros - -header _mtrr ; Set up memory model - -begdataseg _mtrr - -ifdef DOS4GW - cextern _PM_haveCauseWay,UINT -endif - -enddataseg _mtrr - -begcodeseg _mtrr ; Start of code segment - -P586 - -;---------------------------------------------------------------------------- -; ibool _MTRR_isRing0(void); -;---------------------------------------------------------------------------- -; Checks to see if we are running at ring 0. This check is only relevant -; for 32-bit DOS4GW and compatible programs. If we are not running under -; DOS4GW, then we simply assume we are a ring 0 device driver. -;---------------------------------------------------------------------------- -cprocnear _MTRR_isRing0 - -; Are we running under CauseWay? - -ifdef DOS4GW - enter_c - mov ax,cs - and eax,3 - xor eax,3 - jnz @@Exit - -; CauseWay runs the apps at ring 3, but implements support for specific -; ring 0 instructions that we need to get stuff done under real DOS. - - mov eax,1 - cmp [UINT _PM_haveCauseWay],0 - jnz @@Exit -@@Fail: xor eax,eax -@@Exit: leave_c - ret -else -ifdef __SMX32__ - mov eax,1 ; SMX is ring 0! - ret -else -ifdef __VXD__ - mov eax,1 ; VxD is ring 0! - ret -else -ifdef __NT_DRIVER__ - mov eax,1 ; NT/W2K is ring 0! - ret -else -else - xor eax,eax ; Assume ring 3 for 32-bit DOS - ret -endif -endif -endif -endif - -cprocend - -;---------------------------------------------------------------------------- -; ulong _MTRR_disableInt(void); -;---------------------------------------------------------------------------- -; Return processor interrupt status and disable interrupts. -;---------------------------------------------------------------------------- -cprocstart _MTRR_disableInt - - pushfd ; Put flag word on stack - cli ; Disable interrupts! - pop eax ; deposit flag word in return register - ret - -cprocend - -;---------------------------------------------------------------------------- -; void _MTRR_restoreInt(ulong ps); -;---------------------------------------------------------------------------- -; Restore processor interrupt status. -;---------------------------------------------------------------------------- -cprocstart _MTRR_restoreInt - - ARG ps:ULONG - - push ebp - mov ebp,esp ; Set up stack frame - mov ecx,[ps] - test ecx,200h ; SMP safe interrupt flag restore! - jz @@1 - sti -@@1: pop ebp - ret - -cprocend - -;---------------------------------------------------------------------------- -; ulong _MTRR_saveCR4(void); -;---------------------------------------------------------------------------- -; Save the value of CR4 and clear the Page Global Enable (bit 7). We also -; disable and flush the caches. -;---------------------------------------------------------------------------- -cprocstart _MTRR_saveCR4 - - enter_c - -; Save value of CR4 and clear Page Global Enable (bit 7) - - mov ebx,cr4 - mov eax,ebx - and al,7Fh - mov cr4,eax - -; Disable and flush caches - - mov eax,cr0 - or eax,40000000h - wbinvd - mov cr0,eax - wbinvd - -; Return value from CR4 - - mov eax,ebx - leave_c - ret - -cprocend - -;---------------------------------------------------------------------------- -; void _MTRR_restoreCR4(ulong cr4Val) -;---------------------------------------------------------------------------- -; Save the value of CR4 and clear the Page Global Enable (bit 7). We also -; disable and flush the caches. -;---------------------------------------------------------------------------- -cprocstart _MTRR_restoreCR4 - - ARG cr4Val:ULONG - - enter_c - -; Enable caches - - mov eax,cr0 - and eax,0BFFFFFFFh - mov cr0,eax - mov eax,[cr4Val] - mov cr4,eax - leave_c - ret - -cprocend - -;---------------------------------------------------------------------------- -; uchar _MTRR_getCx86(uchar reg); -;---------------------------------------------------------------------------- -; Read a Cyrix CPU indexed register -;---------------------------------------------------------------------------- -cprocstart _MTRR_getCx86 - - ARG reg:UCHAR - - enter_c - mov al,[reg] - out 22h,al - in al,23h - leave_c - ret - -cprocend - -;---------------------------------------------------------------------------- -; uchar _MTRR_setCx86(uchar reg,uchar val); -;---------------------------------------------------------------------------- -; Write a Cyrix CPU indexed register -;---------------------------------------------------------------------------- -cprocstart _MTRR_setCx86 - - ARG reg:UCHAR, val:UCHAR - - enter_c - mov al,[reg] - out 22h,al - mov al,[val] - out 23h,al - leave_c - ret - -cprocend - -;---------------------------------------------------------------------------- -; void _MTRR_readMSR(uong reg, ulong FAR *eax, ulong FAR *edx); -;---------------------------------------------------------------------------- -; Writes the specific Machine Status Register used on the newer Intel -; Pentium Pro and Pentium II motherboards. -;---------------------------------------------------------------------------- -cprocnear _MTRR_readMSR - - ARG reg:ULONG, v_eax:DPTR, v_edx:DPTR - - enter_c - mov ecx,[reg] - rdmsr - mov ebx,[v_eax] - mov [ebx],eax - mov ebx,[v_edx] - mov [ebx],edx - leave_c - ret - -cprocend - -;---------------------------------------------------------------------------- -; void _MTRR_writeMSR(uong reg, ulong eax, ulong edx); -;---------------------------------------------------------------------------- -; Writes the specific Machine Status Register used on the newer Intel -; Pentium Pro and Pentium II motherboards. -;---------------------------------------------------------------------------- -cprocnear _MTRR_writeMSR - - ARG reg:ULONG, v_eax:ULONG, v_edx:ULONG - - enter_c - mov ecx,[reg] - mov eax,[v_eax] - mov edx,[v_edx] - wrmsr - leave_c - ret - -cprocend - -endcodeseg _mtrr - - END ; End of module diff --git a/board/MAI/bios_emulator/scitech/src/pm/common/_pcihelp.asm b/board/MAI/bios_emulator/scitech/src/pm/common/_pcihelp.asm deleted file mode 100644 index 5b8dbcc73a..0000000000 --- a/board/MAI/bios_emulator/scitech/src/pm/common/_pcihelp.asm +++ /dev/null @@ -1,358 +0,0 @@ -;**************************************************************************** -;* -;* SciTech OS Portability Manager Library -;* -;* ======================================================================== -;* -;* The contents of this file are subject to the SciTech MGL Public -;* License Version 1.0 (the "License"); you may not use this file -;* except in compliance with the License. You may obtain a copy of -;* the License at http://www.scitechsoft.com/mgl-license.txt -;* -;* Software distributed under the License is distributed on an -;* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or -;* implied. See the License for the specific language governing -;* rights and limitations under the License. -;* -;* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc. -;* -;* The Initial Developer of the Original Code is SciTech Software, Inc. -;* All Rights Reserved. -;* -;* ======================================================================== -;* -;* Language: 80386 Assembler, TASM 4.0 or NASM -;* Environment: Any -;* -;* Description: Helper assembler functions for PCI access module. -;* -;**************************************************************************** - - IDEAL - -include "scitech.mac" ; Memory model macros - -header _pcilib - -begcodeseg _pcilib - -ifdef flatmodel - -;---------------------------------------------------------------------------- -; uchar _ASMAPI _BIOS32_service( -; ulong service, -; ulong func, -; ulong *physBase, -; ulong *length, -; ulong *serviceOffset, -; PCIBIOS_entry entry); -;---------------------------------------------------------------------------- -; Call the BIOS32 services directory -;---------------------------------------------------------------------------- -cprocstart _BIOS32_service - - ARG service:ULONG, func:ULONG, physBase:DPTR, len:DPTR, off:DPTR, entry:QWORD - - enter_c - mov eax,[service] - mov ebx,[func] -ifdef USE_NASM - call far dword [entry] -else - call [FWORD entry] -endif - mov esi,[physBase] - mov [esi],ebx - mov esi,[len] - mov [esi],ecx - mov esi,[off] - mov [esi],edx - leave_c - ret - -cprocend - -endif - -;---------------------------------------------------------------------------- -; ushort _ASMAPI _PCIBIOS_isPresent(ulong i_eax,ulong *o_edx,ushort *oeax, -; uchar *o_cl,PCIBIOS_entry entry) -;---------------------------------------------------------------------------- -; Call the PCI BIOS to determine if it is present. -;---------------------------------------------------------------------------- -cprocstart _PCIBIOS_isPresent - - ARG i_eax:ULONG, o_edx:DPTR, oeax:DPTR, o_cl:DPTR, entry:QWORD - - enter_c - mov eax,[i_eax] -ifdef flatmodel -ifdef USE_NASM - call far dword [entry] -else - call [FWORD entry] -endif -else - int 1Ah -endif - _les _si,[o_edx] - mov [_ES _si],edx - _les _si,[oeax] - mov [_ES _si],ax - _les _si,[o_cl] - mov [_ES _si],cl - mov ax,bx - leave_c - ret - -cprocend - -;---------------------------------------------------------------------------- -; ulong _PCIBIOS_service(ulong r_eax,ulong r_ebx,ulong r_edi,ulong r_ecx, -; PCIBIOS_entry entry) -;---------------------------------------------------------------------------- -; Call the PCI BIOS services, either via the 32-bit protected mode entry -; point or via the Int 1Ah 16-bit interrupt. -;---------------------------------------------------------------------------- -cprocstart _PCIBIOS_service - - ARG r_eax:ULONG, r_ebx:ULONG, r_edi:ULONG, r_ecx:ULONG, entry:QWORD - - enter_c - mov eax,[r_eax] - mov ebx,[r_ebx] - mov edi,[r_edi] - mov ecx,[r_ecx] -ifdef flatmodel -ifdef USE_NASM - call far dword [entry] -else - call [FWORD entry] -endif -else - int 1Ah -endif - mov eax,ecx -ifndef flatmodel - shld edx,eax,16 ; Return result in DX:AX -endif - leave_c - ret - -cprocend - -;---------------------------------------------------------------------------- -; int _PCIBIOS_getRouting(PCIRoutingOptionsBuffer *buf,PCIBIOS_entry entry); -;---------------------------------------------------------------------------- -; Get the routing options for PCI devices -;---------------------------------------------------------------------------- -cprocstart _PCIBIOS_getRouting - - ARG buf:DPTR, entry:QWORD - - enter_c - mov eax,0B10Eh - mov bx,0 - _les _di,[buf] -ifdef flatmodel -ifdef USE_NASM - call far dword [entry] -else - call [FWORD entry] -endif -else - int 1Ah -endif - movzx eax,ah - leave_c - ret - -cprocend - -;---------------------------------------------------------------------------- -; ibool _PCIBIOS_setIRQ(int busDev,int intPin,int IRQ,PCIBIOS_entry entry); -;---------------------------------------------------------------------------- -; Change the IRQ routing for the PCI device -;---------------------------------------------------------------------------- -cprocstart _PCIBIOS_setIRQ - - ARG busDev:UINT, intPin:UINT, IRQ:UINT, entry:QWORD - - enter_c - mov eax,0B10Fh - mov bx,[USHORT busDev] - mov cl,[BYTE intPin] - mov ch,[BYTE IRQ] -ifdef flatmodel -ifdef USE_NASM - call far dword [entry] -else - call [FWORD entry] -endif -else - int 1Ah -endif - mov eax,1 - jnc @@1 - xor eax,eax ; Function failed! -@@1: leave_c - ret - -cprocend - -;---------------------------------------------------------------------------- -; ulong _PCIBIOS_specialCycle(int bus,ulong data,PCIBIOS_entry entry); -;---------------------------------------------------------------------------- -; Generate a special cycle via the PCI BIOS. -;---------------------------------------------------------------------------- -cprocstart _PCIBIOS_specialCycle - - ARG bus:UINT, data:ULONG, entry:QWORD - - enter_c - mov eax,0B106h - mov bh,[BYTE bus] - mov ecx,[data] -ifdef flatmodel -ifdef USE_NASM - call far dword [entry] -else - call [FWORD entry] -endif -else - int 1Ah -endif - leave_c - ret - -cprocend - -;---------------------------------------------------------------------------- -; ushort _PCI_getCS(void) -;---------------------------------------------------------------------------- -cprocstart _PCI_getCS - - mov ax,cs - ret - -cprocend - -;---------------------------------------------------------------------------- -; int PM_inpb(int port) -;---------------------------------------------------------------------------- -; Reads a byte from the specified port -;---------------------------------------------------------------------------- -cprocstart PM_inpb - - ARG port:UINT - - push _bp - mov _bp,_sp - xor _ax,_ax - mov _dx,[port] - in al,dx - pop _bp - ret - -cprocend - -;---------------------------------------------------------------------------- -; int PM_inpw(int port) -;---------------------------------------------------------------------------- -; Reads a word from the specified port -;---------------------------------------------------------------------------- -cprocstart PM_inpw - - ARG port:UINT - - push _bp - mov _bp,_sp - xor _ax,_ax - mov _dx,[port] - in ax,dx - pop _bp - ret - -cprocend - -;---------------------------------------------------------------------------- -; ulong PM_inpd(int port) -;---------------------------------------------------------------------------- -; Reads a word from the specified port -;---------------------------------------------------------------------------- -cprocstart PM_inpd - - ARG port:UINT - - push _bp - mov _bp,_sp - mov _dx,[port] - in eax,dx -ifndef flatmodel - shld edx,eax,16 ; DX:AX = result -endif - pop _bp - ret - -cprocend - -;---------------------------------------------------------------------------- -; void PM_outpb(int port,int value) -;---------------------------------------------------------------------------- -; Write a byte to the specified port. -;---------------------------------------------------------------------------- -cprocstart PM_outpb - - ARG port:UINT, value:UINT - - push _bp - mov _bp,_sp - mov _dx,[port] - mov _ax,[value] - out dx,al - pop _bp - ret - -cprocend - -;---------------------------------------------------------------------------- -; void PM_outpw(int port,int value) -;---------------------------------------------------------------------------- -; Write a word to the specified port. -;---------------------------------------------------------------------------- -cprocstart PM_outpw - - ARG port:UINT, value:UINT - - push _bp - mov _bp,_sp - mov _dx,[port] - mov _ax,[value] - out dx,ax - pop _bp - ret - -cprocend - -;---------------------------------------------------------------------------- -; void PM_outpd(int port,ulong value) -;---------------------------------------------------------------------------- -; Write a word to the specified port. -;---------------------------------------------------------------------------- -cprocstart PM_outpd - - ARG port:UINT, value:ULONG - - push _bp - mov _bp,_sp - mov _dx,[port] - mov eax,[value] - out dx,eax - pop _bp - ret - -cprocend - -endcodeseg _pcilib - - END diff --git a/board/MAI/bios_emulator/scitech/src/pm/common/agp.c b/board/MAI/bios_emulator/scitech/src/pm/common/agp.c deleted file mode 100644 index d53bc88e14..0000000000 --- a/board/MAI/bios_emulator/scitech/src/pm/common/agp.c +++ /dev/null @@ -1,189 +0,0 @@ -/**************************************************************************** -* -* SciTech OS Portability Manager Library -* -* ======================================================================== -* -* The contents of this file are subject to the SciTech MGL Public -* License Version 1.0 (the "License"); you may not use this file -* except in compliance with the License. You may obtain a copy of -* the License at http://www.scitechsoft.com/mgl-license.txt -* -* Software distributed under the License is distributed on an -* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or -* implied. See the License for the specific language governing -* rights and limitations under the License. -* -* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc. -* -* The Initial Developer of the Original Code is SciTech Software, Inc. -* All Rights Reserved. -* -* ======================================================================== -* -* Language: ANSI C -* Environment: 32-bit Ring 0 device driver -* -* Description: Generic module to implement AGP support functions using the -* SciTech Nucleus AGP support drivers. If the OS provides -* native AGP support, this module should *NOT* be used. Instead -* wrappers should be placed around the OS support functions -* to implement this functionality. -* -****************************************************************************/ - -#include "pmapi.h" -#ifndef REALMODE -#include "nucleus/agp.h" - -/*--------------------------- Global variables ----------------------------*/ - -static AGP_devCtx *agp; -static AGP_driverFuncs driver; - -/*----------------------------- Implementation ----------------------------*/ - -/**************************************************************************** -RETURNS: -Size of AGP aperture in MB on success, 0 on failure. - -REMARKS: -This function initialises the AGP driver in the system and returns the -size of the available AGP aperture in megabytes. -****************************************************************************/ -ulong PMAPI PM_agpInit(void) -{ - if ((agp = AGP_loadDriver(0)) == NULL) - return 0; - driver.dwSize = sizeof(driver); - if (!agp->QueryFunctions(AGP_GET_DRIVERFUNCS,&driver)) - return 0; - switch (driver.GetApertureSize()) { - case agpSize4MB: return 4; - case agpSize8MB: return 8; - case agpSize16MB: return 16; - case agpSize32MB: return 32; - case agpSize64MB: return 64; - case agpSize128MB: return 128; - case agpSize256MB: return 256; - case agpSize512MB: return 512; - case agpSize1GB: return 1024; - case agpSize2GB: return 2048; - } - return 0; -} - -/**************************************************************************** -REMARKS: -This function closes down the loaded AGP driver. -****************************************************************************/ -void PMAPI PM_agpExit(void) -{ - AGP_unloadDriver(agp); -} - -/**************************************************************************** -PARAMETERS: -numPages - Number of memory pages that should be reserved -type - Type of memory to allocate -physContext - Returns the physical context handle for the mapping -physAddr - Returns the physical address for the mapping - -RETURNS: -True on success, false on failure. - -REMARKS: -This function reserves a range of physical memory addresses on the system -bus which the AGP controller will respond to. If this function succeeds, -the AGP controller can respond to the reserved physical address range on -the bus. However you must first call AGP_commitPhysical to cause this memory -to actually be committed for use before it can be accessed. -****************************************************************************/ -ibool PMAPI PM_agpReservePhysical( - ulong numPages, - int type, - void **physContext, - PM_physAddr *physAddr) -{ - switch (type) { - case PM_agpUncached: - type = agpUncached; - break; - case PM_agpWriteCombine: - type = agpWriteCombine; - break; - case PM_agpIntelDCACHE: - type = agpIntelDCACHE; - break; - default: - return false; - } - return driver.ReservePhysical(numPages,type,physContext,physAddr) == nOK; -} - -/**************************************************************************** -PARAMETERS: -physContext - Physical AGP context to release - -RETURNS: -True on success, false on failure. - -REMARKS: -This function releases a range of physical memory addresses on the system -bus which the AGP controller will respond to. All committed memory for -the physical address range covered by the context will be released. -****************************************************************************/ -ibool PMAPI PM_agpReleasePhysical( - void *physContext) -{ - return driver.ReleasePhysical(physContext) == nOK; -} - -/**************************************************************************** -PARAMETERS: -physContext - Physical AGP context to commit memory for -numPages - Number of pages to be committed -startOffset - Offset in pages into the reserved physical context -physAddr - Returns the physical address of the committed memory - -RETURNS: -True on success, false on failure. - -REMARKS: -This function commits into the specified physical context that was previously -reserved by a call to ReservePhysical. You can use the startOffset and -numPages parameters to only commit portions of the reserved memory range at -a time. -****************************************************************************/ -ibool PMAPI PM_agpCommitPhysical( - void *physContext, - ulong numPages, - ulong startOffset, - PM_physAddr *physAddr) -{ - return driver.CommitPhysical(physContext,numPages,startOffset,physAddr) == nOK; -} - -/**************************************************************************** -PARAMETERS: -physContext - Physical AGP context to free memory for -numPages - Number of pages to be freed -startOffset - Offset in pages into the reserved physical context - -RETURNS: -True on success, false on failure. - -REMARKS: -This function frees memory previously committed by the CommitPhysical -function. Note that you can free a portion of a memory range that was -previously committed if you wish. -****************************************************************************/ -ibool PMAPI PM_agpFreePhysical( - void *physContext, - ulong numPages, - ulong startOffset) -{ - return driver.FreePhysical(physContext,numPages,startOffset) == nOK; -} - -#endif /* !REALMODE */ diff --git a/board/MAI/bios_emulator/scitech/src/pm/common/keyboard.c b/board/MAI/bios_emulator/scitech/src/pm/common/keyboard.c deleted file mode 100644 index 36867bdba7..0000000000 --- a/board/MAI/bios_emulator/scitech/src/pm/common/keyboard.c +++ /dev/null @@ -1,449 +0,0 @@ -/**************************************************************************** -* -* SciTech OS Portability Manager Library -* -* ======================================================================== -* -* The contents of this file are subject to the SciTech MGL Public -* License Version 1.0 (the "License"); you may not use this file -* except in compliance with the License. You may obtain a copy of -* the License at http://www.scitechsoft.com/mgl-license.txt -* -* Software distributed under the License is distributed on an -* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or -* implied. See the License for the specific language governing -* rights and limitations under the License. -* -* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc. -* -* The Initial Developer of the Original Code is SciTech Software, Inc. -* All Rights Reserved. -* -* ======================================================================== -* -* Language: ANSI C -* Environment: Any -* -* Description: Direct keyboard event handling module. This module contains -* code to process raw scan code information, convert it to -* virtual scan codes and do code page translation to ASCII -* for different international keyboard layouts. -* -****************************************************************************/ - -/*---------------------------- Implementation -----------------------------*/ - -/**************************************************************************** -PARAMETERS: -scanCode - Keyboard scan code to translate -table - Code page table to search -count - Number of entries in the code page table - -REMARKS: -This function translates the scan codes from keyboard scan codes to ASCII -codes using a binary search on the code page table. -****************************************************************************/ -static uchar translateScan( - uchar scanCode, - codepage_entry_t *table, - int count) -{ - codepage_entry_t *test; - int n,pivot,val; - - for (n = count; n > 0; ) { - pivot = n >> 1; - test = table + pivot; - val = scanCode - test->scanCode; - if (val < 0) - n = pivot; - else if (val == 0) - return test->asciiCode; - else { - table = test + 1; - n -= pivot + 1; - } - } - return 0; -} - -/**************************************************************************** -REMARKS: -This macro/function is used to converts the scan codes reported by the -keyboard to our event libraries normalised format. We only have one scan -code for the 'A' key, and use shift modifiers to determine if it is a -Ctrl-F1, Alt-F1 etc. The raw scan codes from the keyboard work this way, -but the OS gives us 'cooked' scan codes, we have to translate them back -to the raw format. -{secret} -****************************************************************************/ -void _EVT_maskKeyCode( - event_t *evt) -{ - int ascii,scan = EVT_scanCode(evt->message); - - evt->message &= ~0xFF; - if (evt->modifiers & EVT_NUMLOCK) { - if ((ascii = translateScan(scan,EVT.codePage->numPad,EVT.codePage->numPadLen)) != 0) { - evt->message |= ascii; - return; - } - } - if (evt->modifiers & EVT_CTRLSTATE) { - evt->message |= translateScan(scan,EVT.codePage->ctrl,EVT.codePage->ctrlLen); - return; - } - if (evt->modifiers & EVT_CAPSLOCK) { - if (evt->modifiers & EVT_SHIFTKEY) { - if ((ascii = translateScan(scan,EVT.codePage->shiftCaps,EVT.codePage->shiftCapsLen)) != 0) { - evt->message |= ascii; - return; - } - } - else { - if ((ascii = translateScan(scan,EVT.codePage->caps,EVT.codePage->capsLen)) != 0) { - evt->message |= ascii; - return; - } - } - } - if (evt->modifiers & EVT_SHIFTKEY) { - if ((ascii = translateScan(scan,EVT.codePage->shift,EVT.codePage->shiftLen)) != 0) { - evt->message |= ascii; - return; - } - } - evt->message |= translateScan(scan,EVT.codePage->normal,EVT.codePage->normalLen); -} - -/**************************************************************************** -REMARKS: -Returns true if the key with the specified scan code is being held down. -****************************************************************************/ -static ibool _EVT_isKeyDown( - uchar scanCode) -{ - if (scanCode > 0x7F) - return false; - else - return EVT.keyTable[scanCode] != 0; -} - -/**************************************************************************** -PARAMETERS: -what - Event code -message - Event message (ASCII code and scan code) - -REMARKS: -Adds a new keyboard event to the event queue. This routine is called from -within the keyboard interrupt subroutine! - -NOTE: Interrupts are OFF when this routine is called by the keyboard ISR, - and we leave them OFF the entire time. -****************************************************************************/ -static void addKeyEvent( - uint what, - uint message) -{ - event_t evt; - - if (EVT.count < EVENTQSIZE) { - /* Save information in event record */ - evt.when = _EVT_getTicks(); - evt.what = what; - evt.message = message | 0x10000UL; - evt.where_x = 0; - evt.where_y = 0; - evt.relative_x = 0; - evt.relative_y = 0; - evt.modifiers = EVT.keyModifiers; - if (evt.what == EVT_KEYREPEAT) { - if (EVT.oldKey != -1) - EVT.evtq[EVT.oldKey].message += 0x10000UL; - else { - EVT.oldKey = EVT.freeHead; - addEvent(&evt); /* Add to tail of event queue */ - } - } - else { -#ifdef __QNX__ - _EVT_maskKeyCode(&evt); -#endif - addEvent(&evt); /* Add to tail of event queue */ - } - EVT.oldMove = -1; - } -} - -/**************************************************************************** -REMARKS: -This function waits for the keyboard controller to set the ready-for-write -bit. -****************************************************************************/ -static int kbWaitForWriteReady(void) -{ - int timeout = 8192; - while ((timeout > 0) && (PM_inpb(0x64) & 0x02)) - timeout--; - return (timeout > 0); -} - -/**************************************************************************** -REMARKS: -This function waits for the keyboard controller to set the ready-for-read -bit. -****************************************************************************/ -static int kbWaitForReadReady(void) -{ - int timeout = 8192; - while ((timeout > 0) && (!(PM_inpb(0x64) & 0x01))) - timeout--; - return (timeout > 0); -} - -/**************************************************************************** -PARAMETERS: -data - Data to send to the keyboard - -REMARKS: -This function sends a data byte to the keyboard controller. -****************************************************************************/ -static int kbSendData( - uchar data) -{ - int resends = 4; - int timeout, temp; - - do { - if (!kbWaitForWriteReady()) - return 0; - PM_outpb(0x60,data); - timeout = 8192; - while (--timeout > 0) { - if (!kbWaitForReadReady()) - return 0; - temp = PM_inpb(0x60); - if (temp == 0xFA) - return 1; - if (temp == 0xFE) - break; - } - } while ((resends-- > 0) && (timeout > 0)); - return 0; -} - -/**************************************************************************** -PARAMETERS: -modifiers - Keyboard modifier flags - -REMARKS: -This function re-programs the LED's on the keyboard to the values stored -in the passed in modifier flags. If the 'allowLEDS' flag is false, this -function does nothing. -****************************************************************************/ -static void setLEDS( - uint modifiers) -{ - if (EVT.allowLEDS) { - if (!kbSendData(0xED) || !kbSendData((modifiers>>9) & 7)) { - kbSendData(0xF4); - } - } -} - -/**************************************************************************** -REMARKS: -Function to process raw scan codes read from the keyboard controller. - -NOTE: Interrupts are OFF when this routine is called by the keyboard ISR, - and we leave them OFF the entire time. -{secret} -****************************************************************************/ -void processRawScanCode( - int scan) -{ - static int pauseLoop = 0; - static int extended = 0; - int what; - - if (pauseLoop) { - /* Skip scan codes until the pause key sequence has been read */ - pauseLoop--; - } - else if (scan == 0xE0) { - /* This signals the start of an extended scan code sequence */ - extended = 1; - } - else if (scan == 0xE1) { - /* The Pause key sends a strange scan code sequence, which is: - * - * E1 1D 52 E1 9D D2 - * - * However there is never any release code nor any auto-repeat for - * this key. For this reason we simply ignore the key and skip the - * next 5 scan codes read from the keyboard. - */ - pauseLoop = 5; - } - else { - /* Process the scan code normally (it may be an extended code - * however!). Bit 7 means key was released, and bits 0-6 are the - * scan code. - */ - what = (scan & 0x80) ? EVT_KEYUP : EVT_KEYDOWN; - scan &= 0x7F; - if (extended) { - extended = 0; - if (scan == 0x2A || scan == 0x36) { - /* Ignore these extended scan code sequences. These are - * used by the keyboard controller to wrap around certain - * key sequences for the keypad (and when NUMLOCK is down - * internally). - */ - return; - } - - /* Convert extended codes for key sequences that we map to - * virtual scan codes so the user can detect them in their - * code. - */ - switch (scan) { - case KB_leftCtrl: scan = KB_rightCtrl; break; - case KB_leftAlt: scan = KB_rightAlt; break; - case KB_divide: scan = KB_padDivide; break; - case KB_enter: scan = KB_padEnter; break; - case KB_padTimes: scan = KB_sysReq; break; - } - } - else { - /* Convert regular scan codes for key sequences that we map to - * virtual scan codes so the user can detect them in their - * code. - */ - switch (scan) { - case KB_left: scan = KB_padLeft; break; - case KB_right: scan = KB_padRight; break; - case KB_up: scan = KB_padUp; break; - case KB_down: scan = KB_padDown; break; - case KB_insert: scan = KB_padInsert; break; - case KB_delete: scan = KB_padDelete; break; - case KB_home: scan = KB_padHome; break; - case KB_end: scan = KB_padEnd; break; - case KB_pageUp: scan = KB_padPageUp; break; - case KB_pageDown: scan = KB_padPageDown; break; - } - } - - /* Determine if the key is an UP, DOWN or REPEAT and maintain the - * up/down status of all keys in our global key array. - */ - if (what == EVT_KEYDOWN) { - if (EVT.keyTable[scan]) - what = EVT_KEYREPEAT; - else - EVT.keyTable[scan] = scan; - } - else { - EVT.keyTable[scan] = 0; - } - - /* Handle shift key modifiers */ - if (what != EVT_KEYREPEAT) { - switch (scan) { - case KB_capsLock: - if (what == EVT_KEYDOWN) - EVT.keyModifiers ^= EVT_CAPSLOCK; - setLEDS(EVT.keyModifiers); - break; - case KB_numLock: - if (what == EVT_KEYDOWN) - EVT.keyModifiers ^= EVT_NUMLOCK; - setLEDS(EVT.keyModifiers); - break; - case KB_scrollLock: - if (what == EVT_KEYDOWN) - EVT.keyModifiers ^= EVT_SCROLLLOCK; - setLEDS(EVT.keyModifiers); - break; - case KB_leftShift: - if (what == EVT_KEYUP) - EVT.keyModifiers &= ~EVT_LEFTSHIFT; - else - EVT.keyModifiers |= EVT_LEFTSHIFT; - break; - case KB_rightShift: - if (what == EVT_KEYUP) - EVT.keyModifiers &= ~EVT_RIGHTSHIFT; - else - EVT.keyModifiers |= EVT_RIGHTSHIFT; - break; - case KB_leftCtrl: - if (what == EVT_KEYUP) - EVT.keyModifiers &= ~EVT_LEFTCTRL; - else - EVT.keyModifiers |= EVT_LEFTCTRL; - break; - case KB_rightCtrl: - if (what == EVT_KEYUP) - EVT.keyModifiers &= ~EVT_RIGHTCTRL; - else - EVT.keyModifiers |= EVT_RIGHTCTRL; - break; - case KB_leftAlt: - if (what == EVT_KEYUP) - EVT.keyModifiers &= ~EVT_LEFTALT; - else - EVT.keyModifiers |= EVT_LEFTALT; - break; - case KB_rightAlt: - if (what == EVT_KEYUP) - EVT.keyModifiers &= ~EVT_RIGHTALT; - else - EVT.keyModifiers |= EVT_RIGHTALT; - break; -#ifdef SUPPORT_CTRL_ALT_DEL - case KB_delete: - if ((EVT.keyModifiers & EVT_CTRLSTATE) && (EVT.keyModifiers & EVT_ALTSTATE)) - Reboot(); - break; -#endif - } - } - - /* Add the untranslated key code to the event queue. All - * translation to ASCII from the key codes occurs when the key - * is extracted from the queue, saving time in the low level - * interrupt handler. - */ - addKeyEvent(what,scan << 8); - } -} - -/**************************************************************************** -DESCRIPTION: -Enables/disables the update of the keyboard LED status indicators. - -HEADER: -event.h - -PARAMETERS: -enable - True to enable, false to disable - -REMARKS: -Enables the update of the keyboard LED status indicators. Sometimes it may -be convenient in the application to turn off the updating of the LED -status indicators (such as if a game is using the CAPSLOCK key for some -function). Passing in a value of FALSE to this function will turn off all -the LEDS, and stop updating them when the internal status changes (note -however that internally we still keep track of the toggle key status!). -****************************************************************************/ -void EVTAPI EVT_allowLEDS( - ibool enable) -{ - EVT.allowLEDS = true; - if (enable) - setLEDS(EVT.keyModifiers); - else - setLEDS(0); - EVT.allowLEDS = enable; -} diff --git a/board/MAI/bios_emulator/scitech/src/pm/common/malloc.c b/board/MAI/bios_emulator/scitech/src/pm/common/malloc.c deleted file mode 100644 index 83ef22113c..0000000000 --- a/board/MAI/bios_emulator/scitech/src/pm/common/malloc.c +++ /dev/null @@ -1,205 +0,0 @@ -/**************************************************************************** -* -* SciTech OS Portability Manager Library -* -* ======================================================================== -* -* The contents of this file are subject to the SciTech MGL Public -* License Version 1.0 (the "License"); you may not use this file -* except in compliance with the License. You may obtain a copy of -* the License at http://www.scitechsoft.com/mgl-license.txt -* -* Software distributed under the License is distributed on an -* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or -* implied. See the License for the specific language governing -* rights and limitations under the License. -* -* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc. -* -* The Initial Developer of the Original Code is SciTech Software, Inc. -* All Rights Reserved. -* -* ======================================================================== -* -* Language: ANSI C -* Environment: Any -* -* Description: Module for implementing the PM library overrideable memory -* allocator functions. -* -****************************************************************************/ - -#include "pmapi.h" - -/*--------------------------- Global variables ----------------------------*/ - -void * (*__PM_malloc)(size_t size) = malloc; -void * (*__PM_calloc)(size_t nelem,size_t size) = calloc; -void * (*__PM_realloc)(void *ptr,size_t size) = realloc; -void (*__PM_free)(void *p) = free; - -/*----------------------------- Implementation ----------------------------*/ - -/**************************************************************************** -DESCRIPTION: -Use local memory allocation routines. - -HEADER: -pmapi.h - -PARAMETERS: -malloc - Pointer to new malloc routine to use -calloc - Pointer to new caalloc routine to use -realloc - Pointer to new realloc routine to use -free - Pointer to new free routine to use - -REMARKS: -Tells the PM library to use a set of user specified memory allocation -routines instead of using the normal malloc/calloc/realloc/free standard -C library functions. This is useful if you wish to use a third party -debugging malloc library or perhaps a set of faster memory allocation -functions with the PM library, or any apps that use the PM library (such as -the MGL). Once you have registered your memory allocation routines, all -calls to PM_malloc, PM_calloc, PM_realloc and PM_free will be revectored to -your local memory allocation routines. - -This is also useful if you need to keep track of just how much physical -memory your program has been using. You can use the PM_availableMemory -function to find out how much physical memory is available when the program -starts, and then you can use your own local memory allocation routines to -keep track of how much memory has been used and freed. - -NOTE: This function should be called right at the start of your application, - before you initialise any other components or libraries. - -NOTE: Code compiled into Binary Portable DLL's and Drivers automatically - end up calling these functions via the BPD C runtime library. - -SEE ALSO: -PM_malloc, PM_calloc, PM_realloc, PM_free, PM_availableMemory -****************************************************************************/ -void PMAPI PM_useLocalMalloc( - void * (*malloc)(size_t size), - void * (*calloc)(size_t nelem,size_t size), - void * (*realloc)(void *ptr,size_t size), - void (*free)(void *p)) -{ - __PM_malloc = malloc; - __PM_calloc = calloc; - __PM_realloc = realloc; - __PM_free = free; -} - -/**************************************************************************** -DESCRIPTION: -Allocate a block of memory. - -HEADER: -pmapi.h - -PARAMETERS: -size - Size of block to allocate in bytes - -RETURNS: -Pointer to allocated block, or NULL if out of memory. - -REMARKS: -Allocates a block of memory of length size. If you have changed the memory -allocation routines with the PM_useLocalMalloc function, then calls to this -function will actually make calls to the local memory allocation routines -that you have registered. - -SEE ALSO: -PM_calloc, PM_realloc, PM_free, PM_useLocalMalloc -****************************************************************************/ -void * PMAPI PM_malloc( - size_t size) -{ - return __PM_malloc(size); -} - -/**************************************************************************** -DESCRIPTION: -Allocate and clear a large memory block. - -HEADER: -pmapi.h - -PARAMETERS: -nelem - number of contiguous size-byte units to allocate -size - size of unit in bytes - -RETURNS: -Pointer to allocated memory if successful, NULL if out of memory. - -REMARKS: -Allocates a block of memory of length (size * nelem), and clears the -allocated area with zeros (0). If you have changed the memory allocation -routines with the PM_useLocalMalloc function, then calls to this function -will actually make calls to the local memory allocation routines that you -have registered. - -SEE ALSO: -PM_malloc, PM_realloc, PM_free, PM_useLocalMalloc -****************************************************************************/ -void * PMAPI PM_calloc( - size_t nelem, - size_t size) -{ - return __PM_calloc(nelem,size); -} - -/**************************************************************************** -DESCRIPTION: -Re-allocate a block of memory - -HEADER: -pmapi.h - -PARAMETERS: -ptr - Pointer to block to resize -size - size of unit in bytes - -RETURNS: -Pointer to allocated memory if successful, NULL if out of memory. - -REMARKS: -This function reallocates a block of memory that has been previously been -allocated to the new of size. The new size may be smaller or larger than -the original block of memory. If you have changed the memory allocation -routines with the PM_useLocalMalloc function, then calls to this function -will actually make calls to the local memory allocation routines that you -have registered. - -SEE ALSO: -PM_malloc, PM_calloc, PM_free, PM_useLocalMalloc -****************************************************************************/ -void * PMAPI PM_realloc( - void *ptr, - size_t size) -{ - return __PM_realloc(ptr,size); -} - -/**************************************************************************** -DESCRIPTION: -Frees a block of memory. - -HEADER: -pmapi.h - -PARAMETERS: -p - Pointer to memory block to free - -REMARKS: -Frees a block of memory previously allocated with either PM_malloc, -PM_calloc or PM_realloc. - -SEE ALSO: -PM_malloc, PM_calloc, PM_realloc, PM_useLocalMalloc -****************************************************************************/ -void PMAPI PM_free( - void *p) -{ - __PM_free(p); -} diff --git a/board/MAI/bios_emulator/scitech/src/pm/common/mtrr.c b/board/MAI/bios_emulator/scitech/src/pm/common/mtrr.c deleted file mode 100644 index eed5f45c9e..0000000000 --- a/board/MAI/bios_emulator/scitech/src/pm/common/mtrr.c +++ /dev/null @@ -1,867 +0,0 @@ -/**************************************************************************** -* -* SciTech OS Portability Manager Library -* -* ======================================================================== -* -* The contents of this file are subject to the SciTech MGL Public -* License Version 1.0 (the "License"); you may not use this file -* except in compliance with the License. You may obtain a copy of -* the License at http://www.scitechsoft.com/mgl-license.txt -* -* Software distributed under the License is distributed on an -* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or -* implied. See the License for the specific language governing -* rights and limitations under the License. -* -* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc. -* -* The Initial Developer of the Original Code is SciTech Software, Inc. -* All Rights Reserved. -* -* ======================================================================== -* -* Heavily based on code copyright (C) Richard Gooch -* -* Language: ANSI C -* Environment: 32-bit Ring 0 device driver -* -* Description: Generic Memory Type Range Register (MTRR) functions to -* manipulate the MTRR registers on supported CPU's. This code -* *must* run at ring 0, so you can't normally include this -* code directly in normal applications (the except is DOS4GW -* apps which run at ring 0 under real DOS). Thus this code -* will normally be compiled into a ring 0 device driver for -* the target operating system. -* -****************************************************************************/ - -#include "pmapi.h" -#include "ztimerc.h" -#include "mtrr.h" - -#ifndef REALMODE - -/*--------------------------- Global variables ----------------------------*/ - -/* Intel pre-defined MTRR registers */ - -#define NUM_FIXED_RANGES 88 -#define INTEL_cap_MSR 0x0FE -#define INTEL_defType_MSR 0x2FF -#define INTEL_fix64K_00000_MSR 0x250 -#define INTEL_fix16K_80000_MSR 0x258 -#define INTEL_fix16K_A0000_MSR 0x259 -#define INTEL_fix4K_C0000_MSR 0x268 -#define INTEL_fix4K_C8000_MSR 0x269 -#define INTEL_fix4K_D0000_MSR 0x26A -#define INTEL_fix4K_D8000_MSR 0x26B -#define INTEL_fix4K_E0000_MSR 0x26C -#define INTEL_fix4K_E8000_MSR 0x26D -#define INTEL_fix4K_F0000_MSR 0x26E -#define INTEL_fix4K_F8000_MSR 0x26F - -/* Macros to find the address of a paricular MSR register */ - -#define INTEL_physBase_MSR(reg) (0x200 + 2 * (reg)) -#define INTEL_physMask_MSR(reg) (0x200 + 2 * (reg) + 1) - -/* Cyrix CPU configuration register indexes */ -#define CX86_CCR0 0xC0 -#define CX86_CCR1 0xC1 -#define CX86_CCR2 0xC2 -#define CX86_CCR3 0xC3 -#define CX86_CCR4 0xE8 -#define CX86_CCR5 0xE9 -#define CX86_CCR6 0xEA -#define CX86_DIR0 0xFE -#define CX86_DIR1 0xFF -#define CX86_ARR_BASE 0xC4 -#define CX86_RCR_BASE 0xDC - -/* Structure to maintain machine state while updating MTRR registers */ - -typedef struct { - ulong flags; - ulong defTypeLo; - ulong defTypeHi; - ulong cr4Val; - ulong ccr3; - } MTRRContext; - -static int numMTRR = -1; -static int cpuFamily,cpuType,cpuStepping; -static void (*getMTRR)(uint reg,ulong *base,ulong *size,int *type) = NULL; -static void (*setMTRR)(uint reg,ulong base,ulong size,int type) = NULL; -static int (*getFreeRegion)(ulong base,ulong size) = NULL; - -/*----------------------------- Implementation ----------------------------*/ - -/**************************************************************************** -RETURNS: -Returns non-zero if we have the write-combining memory type -****************************************************************************/ -static int MTRR_haveWriteCombine(void) -{ - ulong config,dummy; - - switch (cpuFamily) { - case CPU_AMD: - if (cpuType < CPU_AMDAthlon) { - /* AMD K6-2 stepping 8 and later support the MTRR registers. - * The earlier K6-2 steppings (300Mhz models) do not - * support MTRR's. - */ - if ((cpuType < CPU_AMDK6_2) || (cpuType == CPU_AMDK6_2 && cpuStepping < 8)) - return 0; - return 1; - } - /* Fall through for AMD Athlon which uses P6 style MTRR's */ - case CPU_Intel: - _MTRR_readMSR(INTEL_cap_MSR,&config,&dummy); - return (config & (1 << 10)); - case CPU_Cyrix: - /* Cyrix 6x86 and later support the MTRR registers */ - if (cpuType < CPU_Cyrix6x86) - return 0; - return 1; - } - return 0; -} - -/**************************************************************************** -PARAMETERS: -base - The starting physical base address of the region -size - The size in bytes of the region - -RETURNS: -The index of the region on success, else -1 on error. - -REMARKS: -Generic function to find the location of a free MTRR register to be used -for creating a new mapping. -****************************************************************************/ -static int GENERIC_getFreeRegion( - ulong base, - ulong size) -{ - int i,ltype; - ulong lbase,lsize; - - for (i = 0; i < numMTRR; i++) { - getMTRR(i,&lbase,&lsize,<ype); - if (lsize < 1) - return i; - } - (void)base; - (void)size; - return -1; -} - -/**************************************************************************** -PARAMETERS: -base - The starting physical base address of the region -size - The size in bytes of the region - -RETURNS: -The index of the region on success, else -1 on error. - -REMARKS: -Generic function to find the location of a free MTRR register to be used -for creating a new mapping. -****************************************************************************/ -static int AMDK6_getFreeRegion( - ulong base, - ulong size) -{ - int i,ltype; - ulong lbase,lsize; - - for (i = 0; i < numMTRR; i++) { - getMTRR(i,&lbase,&lsize,<ype); - if (lsize < 1) - return i; - } - (void)base; - (void)size; - return -1; -} - -/**************************************************************************** -PARAMETERS: -base - The starting physical base address of the region -size - The size in bytes of the region - -RETURNS: -The index of the region on success, else -1 on error. - -REMARKS: -Cyrix specific function to find the location of a free MTRR register to be -used for creating a new mapping. -****************************************************************************/ -static int CYRIX_getFreeRegion( - ulong base, - ulong size) -{ - int i,ltype; - ulong lbase, lsize; - - if (size > 0x2000000UL) { - /* If we are to set up a region >32M then look at ARR7 immediately */ - getMTRR(7,&lbase,&lsize,<ype); - if (lsize < 1) - return 7; - } - else { - /* Check ARR0-6 registers */ - for (i = 0; i < 7; i++) { - getMTRR(i,&lbase,&lsize,<ype); - if (lsize < 1) - return i; - } - /* Try ARR7 but its size must be at least 256K */ - getMTRR(7,&lbase,&lsize,<ype); - if ((lsize < 1) && (size >= 0x40000)) - return i; - } - (void)base; - return -1; -} - -/**************************************************************************** -PARAMETERS: -c - Place to store the machine context across the call - -REMARKS: -Puts the processor into a state where MTRRs can be safely updated -****************************************************************************/ -static void MTRR_beginUpdate( - MTRRContext *c) -{ - c->flags = _MTRR_disableInt(); - if (cpuFamily != CPU_AMD || (cpuFamily == CPU_AMD && cpuType >= CPU_AMDAthlon)) { - switch (cpuFamily) { - case CPU_Intel: - case CPU_AMD: - /* Disable MTRRs, and set the default type to uncached */ - c->cr4Val = _MTRR_saveCR4(); - _MTRR_readMSR(INTEL_defType_MSR,&c->defTypeLo,&c->defTypeHi); - _MTRR_writeMSR(INTEL_defType_MSR,c->defTypeLo & 0xF300UL,c->defTypeHi); - break; - case CPU_Cyrix: - c->ccr3 = _MTRR_getCx86(CX86_CCR3); - _MTRR_setCx86(CX86_CCR3, (uchar)((c->ccr3 & 0x0F) | 0x10)); - break; - } - } -} - -/**************************************************************************** -PARAMETERS: -c - Place to restore the machine context from - -REMARKS: -Restores the processor after updating any of the registers -****************************************************************************/ -static void MTRR_endUpdate( - MTRRContext *c) -{ - if (cpuFamily != CPU_AMD || (cpuFamily == CPU_AMD && cpuType >= CPU_AMDAthlon)) { - PM_flushTLB(); - switch (cpuFamily) { - case CPU_Intel: - case CPU_AMD: - _MTRR_writeMSR(INTEL_defType_MSR,c->defTypeLo,c->defTypeHi); - _MTRR_restoreCR4(c->cr4Val); - break; - case CPU_Cyrix: - _MTRR_setCx86(CX86_CCR3,(uchar)c->ccr3); - break; - } - } - - /* Re-enable interrupts (if enabled previously) */ - _MTRR_restoreInt(c->flags); -} - -/**************************************************************************** -PARAMETERS: -reg - MTRR register to read -base - Place to store the starting physical base address of the region -size - Place to store the size in bytes of the region -type - Place to store the type of the MTRR register - -REMARKS: -Intel specific function to read the value of a specific MTRR register. -****************************************************************************/ -static void INTEL_getMTRR( - uint reg, - ulong *base, - ulong *size, - int *type) -{ - ulong hi,maskLo,baseLo; - - _MTRR_readMSR(INTEL_physMask_MSR(reg),&maskLo,&hi); - if ((maskLo & 0x800) == 0) { - /* MTRR is disabled, so it is free */ - *base = 0; - *size = 0; - *type = 0; - return; - } - _MTRR_readMSR(INTEL_physBase_MSR(reg),&baseLo,&hi); - maskLo = (maskLo & 0xFFFFF000UL); - *size = ~(maskLo - 1); - *base = (baseLo & 0xFFFFF000UL); - *type = (baseLo & 0xFF); -} - -/**************************************************************************** -PARAMETERS: -reg - MTRR register to set -base - The starting physical base address of the region -size - The size in bytes of the region -type - Type to place into the MTRR register - -REMARKS: -Intel specific function to set the value of a specific MTRR register to -the passed in base, size and type. -****************************************************************************/ -static void INTEL_setMTRR( - uint reg, - ulong base, - ulong size, - int type) -{ - MTRRContext c; - - MTRR_beginUpdate(&c); - if (size == 0) { - /* The invalid bit is kept in the mask, so we simply clear the - * relevant mask register to disable a range. - */ - _MTRR_writeMSR(INTEL_physMask_MSR(reg),0,0); - } - else { - _MTRR_writeMSR(INTEL_physBase_MSR(reg),base | type,0); - _MTRR_writeMSR(INTEL_physMask_MSR(reg),~(size - 1) | 0x800,0); - } - MTRR_endUpdate(&c); -} - -/**************************************************************************** -REMARKS: -Disabled banked write combing for Intel processors. We always disable this -because it invariably causes problems with older hardware. -****************************************************************************/ -static void INTEL_disableBankedWriteCombine(void) -{ - MTRRContext c; - - MTRR_beginUpdate(&c); - _MTRR_writeMSR(INTEL_fix16K_A0000_MSR,0,0); - MTRR_endUpdate(&c); -} - -/**************************************************************************** -PARAMETERS: -reg - MTRR register to set -base - The starting physical base address of the region -size - The size in bytes of the region -type - Type to place into the MTRR register - -REMARKS: -Intel specific function to set the value of a specific MTRR register to -the passed in base, size and type. -****************************************************************************/ -static void AMD_getMTRR( - uint reg, - ulong *base, - ulong *size, - int *type) -{ - ulong low,high; - - /* Upper dword is region 1, lower is region 0 */ - _MTRR_readMSR(0xC0000085, &low, &high); - if (reg == 1) - low = high; - - /* Find the base and type for the region */ - *base = low & 0xFFFE0000; - *type = 0; - if (low & 1) - *type = PM_MTRR_UNCACHABLE; - if (low & 2) - *type = PM_MTRR_WRCOMB; - if ((low & 3) == 0) { - *size = 0; - return; - } - - /* This needs a little explaining. The size is stored as an - * inverted mask of bits of 128K granularity 15 bits long offset - * 2 bits - * - * So to get a size we do invert the mask and add 1 to the lowest - * mask bit (4 as its 2 bits in). This gives us a size we then shift - * to turn into 128K blocks - * - * eg 111 1111 1111 1100 is 512K - * - * invert 000 0000 0000 0011 - * +1 000 0000 0000 0100 - * *128K ... - */ - low = (~low) & 0x0FFFC; - *size = (low + 4) << 15; -} - -/**************************************************************************** -PARAMETERS: -reg - MTRR register to set -base - The starting physical base address of the region -size - The size in bytes of the region -type - Type to place into the MTRR register - -REMARKS: -Intel specific function to set the value of a specific MTRR register to -the passed in base, size and type. -****************************************************************************/ -static void AMD_setMTRR( - uint reg, - ulong base, - ulong size, - int type) -{ - ulong low,high,newVal; - MTRRContext c; - - MTRR_beginUpdate(&c); - _MTRR_readMSR(0xC0000085, &low, &high); - if (size == 0) { - /* Clear register to disable */ - if (reg) - high = 0; - else - low = 0; - } - else { - /* Set the register to the base (already shifted for us), the - * type (off by one) and an inverted bitmask of the size - * The size is the only odd bit. We are fed say 512K - * We invert this and we get 111 1111 1111 1011 but - * if you subtract one and invert you get the desired - * 111 1111 1111 1100 mask - */ - newVal = (((~(size-1)) >> 15) & 0x0001FFFC) | base | (type+1); - if (reg) - high = newVal; - else - low = newVal; - } - - /* The writeback rule is quite specific. See the manual. Its - * disable local interrupts, write back the cache, set the MTRR - */ - PM_flushTLB(); - _MTRR_writeMSR(0xC0000085, low, high); - MTRR_endUpdate(&c); -} - -/**************************************************************************** -PARAMETERS: -reg - MTRR register to set -base - The starting physical base address of the region -size - The size in bytes of the region -type - Type to place into the MTRR register - -REMARKS: -Intel specific function to set the value of a specific MTRR register to -the passed in base, size and type. -****************************************************************************/ -static void CYRIX_getMTRR( - uint reg, - ulong *base, - ulong *size, - int *type) -{ - MTRRContext c; - uchar arr = CX86_ARR_BASE + reg*3; - uchar rcr,shift; - - /* Save flags and disable interrupts */ - MTRR_beginUpdate(&c); - ((uchar*)base)[3] = _MTRR_getCx86(arr); - ((uchar*)base)[2] = _MTRR_getCx86((uchar)(arr+1)); - ((uchar*)base)[1] = _MTRR_getCx86((uchar)(arr+2)); - rcr = _MTRR_getCx86((uchar)(CX86_RCR_BASE + reg)); - MTRR_endUpdate(&c); - - /* Enable interrupts if it was enabled previously */ - shift = ((uchar*)base)[1] & 0x0f; - *base &= 0xFFFFF000UL; - - /* Power of two, at least 4K on ARR0-ARR6, 256K on ARR7 - * Note: shift==0xF means 4G, this is unsupported. - */ - if (shift) - *size = (reg < 7 ? 0x800UL : 0x20000UL) << shift; - else - *size = 0; - - /* Bit 0 is Cache Enable on ARR7, Cache Disable on ARR0-ARR6 */ - if (reg < 7) { - switch (rcr) { - case 1: *type = PM_MTRR_UNCACHABLE; break; - case 8: *type = PM_MTRR_WRBACK; break; - case 9: *type = PM_MTRR_WRCOMB; break; - case 24: - default: *type = PM_MTRR_WRTHROUGH; break; - } - } - else { - switch (rcr) { - case 0: *type = PM_MTRR_UNCACHABLE; break; - case 8: *type = PM_MTRR_WRCOMB; break; - case 9: *type = PM_MTRR_WRBACK; break; - case 25: - default: *type = PM_MTRR_WRTHROUGH; break; - } - } -} - -/**************************************************************************** -PARAMETERS: -reg - MTRR register to set -base - The starting physical base address of the region -size - The size in bytes of the region -type - Type to place into the MTRR register - -REMARKS: -Intel specific function to set the value of a specific MTRR register to -the passed in base, size and type. -****************************************************************************/ -static void CYRIX_setMTRR( - uint reg, - ulong base, - ulong size, - int type) -{ - MTRRContext c; - uchar arr = CX86_ARR_BASE + reg*3; - uchar arr_type,arr_size; - - /* Count down from 32M (ARR0-ARR6) or from 2G (ARR7) */ - size >>= (reg < 7 ? 12 : 18); - size &= 0x7FFF; /* Make sure arr_size <= 14 */ - for (arr_size = 0; size; arr_size++, size >>= 1) - ; - if (reg < 7) { - switch (type) { - case PM_MTRR_UNCACHABLE: arr_type = 1; break; - case PM_MTRR_WRCOMB: arr_type = 9; break; - case PM_MTRR_WRTHROUGH: arr_type = 24; break; - default: arr_type = 8; break; - } - } - else { - switch (type) { - case PM_MTRR_UNCACHABLE: arr_type = 0; break; - case PM_MTRR_WRCOMB: arr_type = 8; break; - case PM_MTRR_WRTHROUGH: arr_type = 25; break; - default: arr_type = 9; break; - } - } - MTRR_beginUpdate(&c); - _MTRR_setCx86((uchar)arr, ((uchar*)&base)[3]); - _MTRR_setCx86((uchar)(arr+1), ((uchar*)&base)[2]); - _MTRR_setCx86((uchar)(arr+2), (uchar)((((uchar*)&base)[1]) | arr_size)); - _MTRR_setCx86((uchar)(CX86_RCR_BASE + reg), (uchar)arr_type); - MTRR_endUpdate(&c); -} - -/**************************************************************************** -REMARKS: -On Cyrix 6x86(MX) and MII the ARR3 is special: it has connection -with the SMM (System Management Mode) mode. So we need the following: -Check whether SMI_LOCK (CCR3 bit 0) is set - if it is set, ARR3 cannot be changed (it cannot be changed until the - next processor reset) - if it is reset, then we can change it, set all the needed bits: - - disable access to SMM memory through ARR3 range (CCR1 bit 7 reset) - - disable access to SMM memory (CCR1 bit 2 reset) - - disable SMM mode (CCR1 bit 1 reset) - - disable write protection of ARR3 (CCR6 bit 1 reset) - - (maybe) disable ARR3 -Just to be sure, we enable ARR usage by the processor (CCR5 bit 5 set) -****************************************************************************/ -static void CYRIX_initARR(void) -{ - MTRRContext c; - uchar ccr[7]; - int ccrc[7] = { 0, 0, 0, 0, 0, 0, 0 }; - - /* Begin updating */ - MTRR_beginUpdate(&c); - - /* Save all CCRs locally */ - ccr[0] = _MTRR_getCx86(CX86_CCR0); - ccr[1] = _MTRR_getCx86(CX86_CCR1); - ccr[2] = _MTRR_getCx86(CX86_CCR2); - ccr[3] = (uchar)c.ccr3; - ccr[4] = _MTRR_getCx86(CX86_CCR4); - ccr[5] = _MTRR_getCx86(CX86_CCR5); - ccr[6] = _MTRR_getCx86(CX86_CCR6); - if (ccr[3] & 1) - ccrc[3] = 1; - else { - /* Disable SMM mode (bit 1), access to SMM memory (bit 2) and - * access to SMM memory through ARR3 (bit 7). - */ - if (ccr[6] & 0x02) { - ccr[6] &= 0xFD; - ccrc[6] = 1; /* Disable write protection of ARR3. */ - _MTRR_setCx86(CX86_CCR6,ccr[6]); - } - } - - /* If we changed CCR1 in memory, change it in the processor, too. */ - if (ccrc[1]) - _MTRR_setCx86(CX86_CCR1,ccr[1]); - - /* Enable ARR usage by the processor */ - if (!(ccr[5] & 0x20)) { - ccr[5] |= 0x20; - ccrc[5] = 1; - _MTRR_setCx86(CX86_CCR5,ccr[5]); - } - - /* We are finished updating */ - MTRR_endUpdate(&c); -} - -/**************************************************************************** -REMARKS: -Initialise the MTRR module, by detecting the processor type and determining -if the processor supports the MTRR functionality. -****************************************************************************/ -void MTRR_init(void) -{ - int i,cpu,ltype; - ulong eax,edx,lbase,lsize; - - /* Check that we have a compatible CPU */ - if (numMTRR == -1) { - numMTRR = 0; - if (!_MTRR_isRing0()) - return; - cpu = CPU_getProcessorType(); - cpuFamily = cpu & CPU_familyMask; - cpuType = cpu & CPU_mask; - cpuStepping = (cpu & CPU_steppingMask) >> CPU_steppingShift; - switch (cpuFamily) { - case CPU_Intel: - /* Intel Pentium Pro and later support the MTRR registers */ - if (cpuType < CPU_PentiumPro) - return; - _MTRR_readMSR(INTEL_cap_MSR,&eax,&edx); - numMTRR = eax & 0xFF; - getMTRR = INTEL_getMTRR; - setMTRR = INTEL_setMTRR; - getFreeRegion = GENERIC_getFreeRegion; - INTEL_disableBankedWriteCombine(); - break; - case CPU_AMD: - /* AMD K6-2 and later support the MTRR registers */ - if ((cpuType < CPU_AMDK6_2) || (cpuType == CPU_AMDK6_2 && cpuStepping < 8)) - return; - if (cpuType < CPU_AMDAthlon) { - numMTRR = 2; /* AMD CPU's have 2 MTRR's */ - getMTRR = AMD_getMTRR; - setMTRR = AMD_setMTRR; - getFreeRegion = AMDK6_getFreeRegion; - - /* For some reason some IBM systems with K6-2 processors - * have write combined enabled for the system BIOS - * region from 0xE0000 to 0xFFFFFF. We need *both* MTRR's - * for our own graphics drivers, so if we detect any - * regions below the 1Meg boundary, we remove them - * so we can use this MTRR register ourselves. - */ - for (i = 0; i < numMTRR; i++) { - getMTRR(i,&lbase,&lsize,<ype); - if (lbase < 0x100000) - setMTRR(i,0,0,0); - } - } - else { - /* AMD Athlon uses P6 style MTRR's */ - _MTRR_readMSR(INTEL_cap_MSR,&eax,&edx); - numMTRR = eax & 0xFF; - getMTRR = INTEL_getMTRR; - setMTRR = INTEL_setMTRR; - getFreeRegion = GENERIC_getFreeRegion; - INTEL_disableBankedWriteCombine(); - } - break; - case CPU_Cyrix: - /* Cyrix 6x86 and later support the MTRR registers */ - if (cpuType < CPU_Cyrix6x86 || cpuType >= CPU_CyrixMediaGX) - return; - numMTRR = 8; /* Cyrix CPU's have 8 ARR's */ - getMTRR = CYRIX_getMTRR; - setMTRR = CYRIX_setMTRR; - getFreeRegion = CYRIX_getFreeRegion; - CYRIX_initARR(); - break; - default: - return; - } - } -} - -/**************************************************************************** -PARAMETERS: -base - The starting physical base address of the region -size - The size in bytes of the region -type - Type to place into the MTRR register - -RETURNS: -Error code describing the result. - -REMARKS: -Function to enable write combining for the specified region of memory. -****************************************************************************/ -int MTRR_enableWriteCombine( - ulong base, - ulong size, - uint type) -{ - int i; - int ltype; - ulong lbase,lsize,last; - - /* Check that we have a CPU that supports MTRR's and type is valid */ - if (numMTRR <= 0) { - if (!_MTRR_isRing0()) - return PM_MTRR_ERR_NO_OS_SUPPORT; - return PM_MTRR_NOT_SUPPORTED; - } - if (type >= PM_MTRR_MAX) - return PM_MTRR_ERR_PARAMS; - - /* If the type is WC, check that this processor supports it */ - if (!MTRR_haveWriteCombine()) - return PM_MTRR_ERR_NOWRCOMB; - - /* Adjust the boundaries depending on the CPU type */ - switch (cpuFamily) { - case CPU_AMD: - if (cpuType < CPU_AMDAthlon) { - /* Apply the K6 block alignment and size rules. In order: - * o Uncached or gathering only - * o 128K or bigger block - * o Power of 2 block - * o base suitably aligned to the power - */ - if (type > PM_MTRR_WRCOMB && (size < (1 << 17) || (size & ~(size-1))-size || (base & (size-1)))) - return PM_MTRR_ERR_NOT_ALIGNED; - break; - } - /* Fall through for AMD Athlon which uses P6 style MTRR's */ - case CPU_Intel: - case CPU_Cyrix: - if ((base & 0xFFF) || (size & 0xFFF)) { - /* Base and size must be multiples of 4Kb */ - return PM_MTRR_ERR_NOT_4KB_ALIGNED; - } - if (base < 0x100000) { - /* Base must be >= 1Mb */ - return PM_MTRR_ERR_BELOW_1MB; - } - - /* Check upper bits of base and last are equal and lower bits - * are 0 for base and 1 for last - */ - last = base + size - 1; - for (lbase = base; !(lbase & 1) && (last & 1); lbase = lbase >> 1, last = last >> 1) - ; - if (lbase != last) { - /* Base is not aligned on the correct boundary */ - return PM_MTRR_ERR_NOT_ALIGNED; - } - break; - default: - return PM_MTRR_NOT_SUPPORTED; - } - - /* Search for existing MTRR */ - for (i = 0; i < numMTRR; ++i) { - getMTRR(i,&lbase,&lsize,<ype); - if (lbase == 0 && lsize == 0) - continue; - if (base > lbase + (lsize-1)) - continue; - if ((base < lbase) && (base+size-1 < lbase)) - continue; - - /* Check that we don't overlap an existing region */ - if (type != PM_MTRR_UNCACHABLE) { - if ((base < lbase) || (base+size-1 > lbase+lsize-1)) - return PM_MTRR_ERR_OVERLAP; - } - else if (base == lbase && size == lsize) { - /* The region already exists so leave it alone */ - return PM_MTRR_ERR_OK; - } - - /* New region is enclosed by an existing region, so only allow - * a new type to be created if we are setting a region to be - * uncacheable (such as MMIO registers within a framebuffer). - */ - if (ltype != (int)type) { - if (type == PM_MTRR_UNCACHABLE) - continue; - return PM_MTRR_ERR_TYPE_MISMATCH; - } - return PM_MTRR_ERR_OK; - } - - /* Search for an empty MTRR */ - if ((i = getFreeRegion(base,size)) < 0) - return PM_MTRR_ERR_NONE_FREE; - setMTRR(i,base,size,type); - return PM_MTRR_ERR_OK; -} - -/**************************************************************************** -PARAMETERS: -callback - Function to callback with write combine information - -REMARKS: -Function to enumerate all write combine regions currently enabled for the -processor. -****************************************************************************/ -int PMAPI PM_enumWriteCombine( - PM_enumWriteCombine_t callback) -{ - int i,ltype; - ulong lbase,lsize; - - /* Check that we have a CPU that supports MTRR's and type is valid */ - if (numMTRR <= 0) { - if (!_MTRR_isRing0()) - return PM_MTRR_ERR_NO_OS_SUPPORT; - return PM_MTRR_NOT_SUPPORTED; - } - - /* Enumerate all existing MTRR's */ - for (i = 0; i < numMTRR; ++i) { - getMTRR(i,&lbase,&lsize,<ype); - callback(lbase,lsize,ltype); - } - return PM_MTRR_ERR_OK; -} -#endif diff --git a/board/MAI/bios_emulator/scitech/src/pm/common/pcilib.c b/board/MAI/bios_emulator/scitech/src/pm/common/pcilib.c deleted file mode 100644 index 1d542fc5df..0000000000 --- a/board/MAI/bios_emulator/scitech/src/pm/common/pcilib.c +++ /dev/null @@ -1,747 +0,0 @@ -/**************************************************************************** -* -* SciTech OS Portability Manager Library -* -* ======================================================================== -* -* The contents of this file are subject to the SciTech MGL Public -* License Version 1.0 (the "License"); you may not use this file -* except in compliance with the License. You may obtain a copy of -* the License at http://www.scitechsoft.com/mgl-license.txt -* -* Software distributed under the License is distributed on an -* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or -* implied. See the License for the specific language governing -* rights and limitations under the License. -* -* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc. -* -* The Initial Developer of the Original Code is SciTech Software, Inc. -* All Rights Reserved. -* -* ======================================================================== -* -* Language: ANSI C -* Environment: Any -* -* Description: Module for interfacing to the PCI bus and configuration -* space registers. -* -****************************************************************************/ - -#include "pmapi.h" -#include "pcilib.h" -#if !defined(__WIN32_VXD__) && !defined(__NT_DRIVER__) -#include <string.h> -#endif - -/*---------------------- Macros and type definitions ----------------------*/ - -#pragma pack(1) - -/* Length of the memory mapping for the PCI BIOS */ - -#define BIOS_LIMIT (128 * 1024L - 1) - -/* Macros for accessing the PCI BIOS functions from 32-bit protected mode */ - -#define BIOS32_SIGNATURE (((ulong)'_' << 0) + ((ulong)'3' << 8) + ((ulong)'2' << 16) + ((ulong)'_' << 24)) -#define PCI_SIGNATURE (((ulong)'P' << 0) + ((ulong)'C' << 8) + ((ulong)'I' << 16) + ((ulong)' ' << 24)) -#define PCI_SERVICE (((ulong)'$' << 0) + ((ulong)'P' << 8) + ((ulong)'C' << 16) + ((ulong)'I' << 24)) -#define PCI_BIOS_PRESENT 0xB101 -#define FIND_PCI_DEVICE 0xB102 -#define FIND_PCI_CLASS 0xB103 -#define GENERATE_SPECIAL 0xB106 -#define READ_CONFIG_BYTE 0xB108 -#define READ_CONFIG_WORD 0xB109 -#define READ_CONFIG_DWORD 0xB10A -#define WRITE_CONFIG_BYTE 0xB10B -#define WRITE_CONFIG_WORD 0xB10C -#define WRITE_CONFIG_DWORD 0xB10D -#define GET_IRQ_ROUTING_OPT 0xB10E -#define SET_PCI_IRQ 0xB10F - -/* This is the standard structure used to identify the entry point to the - * BIOS32 Service Directory, as documented in PCI 2.1 BIOS Specicition. - */ - -typedef union { - struct { - ulong signature; /* _32_ */ - ulong entry; /* 32 bit physical address */ - uchar revision; /* Revision level, 0 */ - uchar length; /* Length in paragraphs should be 01 */ - uchar checksum; /* All bytes must add up to zero */ - uchar reserved[5]; /* Must be zero */ - } fields; - char chars[16]; - } PCI_bios32; - -/* Structure for a far pointer to call the PCI BIOS services with */ - -typedef struct { - ulong address; - ushort segment; - } PCIBIOS_entry; - -/* Macros to copy a structure that includes dwSize members */ - -#define COPY_STRUCTURE(d,s) memcpy(d,s,MIN((s)->dwSize,(d)->dwSize)) - -#pragma pack() - -/*--------------------------- Global variables ----------------------------*/ - -static uchar *BIOSImage = NULL; /* BIOS image mapping */ -static int PCIBIOSVersion = -1;/* PCI BIOS version */ -static PCIBIOS_entry PCIEntry; /* PCI services entry point */ -static ulong PCIPhysEntry = 0; /* Physical address */ - -/*----------------------------- Implementation ----------------------------*/ - -/* External assembler helper functions */ - -uchar _ASMAPI _BIOS32_service(ulong service,ulong function,ulong *physBase,ulong *length,ulong *serviceOffset,PCIBIOS_entry entry); -ushort _ASMAPI _PCIBIOS_isPresent(ulong i_eax,ulong *o_edx,ushort *o_ax,uchar *o_cl,PCIBIOS_entry entry); -ulong _ASMAPI _PCIBIOS_service(ulong r_eax,ulong r_ebx,ulong r_edi,ulong r_ecx,PCIBIOS_entry entry); -int _ASMAPI _PCIBIOS_getRouting(PCIRoutingOptionsBuffer *buf,PCIBIOS_entry entry); -ibool _ASMAPI _PCIBIOS_setIRQ(int busDev,int intPin,int IRQ,PCIBIOS_entry entry); -ulong _ASMAPI _PCIBIOS_specialCycle(int bus,ulong data,PCIBIOS_entry entry); -ushort _ASMAPI _PCI_getCS(void); - -/**************************************************************************** -REMARKS: -This functions returns the physical address of the PCI BIOS entry point. -****************************************************************************/ -ulong _ASMAPI PCIBIOS_getEntry(void) -{ return PCIPhysEntry; } - -/**************************************************************************** -PARAMETERS: -hwType - Place to store the PCI hardware access mechanism flags -lastBus - Place to store the index of the last PCI bus in the system - -RETURNS: -Version number of the PCI BIOS found. - -REMARKS: -This function determines if the PCI BIOS is present in the system, and if -so returns the information returned by the PCI BIOS detect function. -****************************************************************************/ -static int PCIBIOS_detect( - uchar *hwType, - uchar *lastBus) -{ - ulong signature; - ushort stat,version; - -#ifndef __16BIT__ - PCIBIOS_entry BIOSEntry = {0}; - uchar *BIOSEnd; - PCI_bios32 *BIOSDir; - ulong physBase,length,offset; - - /* Bail if we have already detected no BIOS is present */ - if (PCIBIOSVersion == 0) - return 0; - - /* First scan the memory from 0xE0000 to 0xFFFFF looking for the - * BIOS32 service directory, so we can determine if we can call it - * from 32-bit protected mode. - */ - if (PCIBIOSVersion == -1) { - PCIBIOSVersion = 0; - BIOSImage = PM_mapPhysicalAddr(0xE0000,BIOS_LIMIT,false); - if (!BIOSImage) - return 0; - BIOSEnd = BIOSImage + 0x20000; - for (BIOSDir = (PCI_bios32*)BIOSImage; BIOSDir < (PCI_bios32*)BIOSEnd; BIOSDir++) { - uchar sum; - int i,length; - - if (BIOSDir->fields.signature != BIOS32_SIGNATURE) - continue; - length = BIOSDir->fields.length * 16; - if (!length) - continue; - for (sum = i = 0; i < length ; i++) - sum += BIOSDir->chars[i]; - if (sum != 0) - continue; - BIOSEntry.address = (ulong)BIOSImage + (BIOSDir->fields.entry - 0xE0000); - BIOSEntry.segment = _PCI_getCS(); - break; - } - - /* If we found the BIOS32 directory, call it to get the address of the - * PCI services. - */ - if (BIOSEntry.address == 0) - return 0; - if (_BIOS32_service(PCI_SERVICE,0,&physBase,&length,&offset,BIOSEntry) != 0) - return 0; - PCIPhysEntry = physBase + offset; - PCIEntry.address = (ulong)BIOSImage + (PCIPhysEntry - 0xE0000); - PCIEntry.segment = _PCI_getCS(); - } -#endif - /* We found the BIOS entry, so now do the version check */ - version = _PCIBIOS_isPresent(PCI_BIOS_PRESENT,&signature,&stat,lastBus,PCIEntry); - if (version > 0 && ((stat >> 8) == 0) && signature == PCI_SIGNATURE) { - *hwType = stat & 0xFF; - return PCIBIOSVersion = version; - } - return 0; -} - -/**************************************************************************** -PARAMETERS: -info - Array of PCIDeviceInfo structures to check against -index - Index of the current device to check - -RETURNS: -True if the device is a duplicate, false if not. - -REMARKS: -This function goes through the list of all devices preceeding the newly -found device in the info structure, and checks that the device is not a -duplicate of a previous device. Some devices incorrectly enumerate -themselves at different function addresses so we check here to exclude -those cases. -****************************************************************************/ -static ibool CheckDuplicate( - PCIDeviceInfo *info, - PCIDeviceInfo *prev) -{ - /* Ignore devices with a vendor ID of 0 */ - if (info->VendorID == 0) - return true; - - /* NOTE: We only check against the current device on - * the bus to ensure that we do not exclude - * multiple controllers of the same device ID. - */ - if (info->slot.p.Bus == prev->slot.p.Bus && - info->slot.p.Device == prev->slot.p.Device && - info->DeviceID == prev->DeviceID) - return true; - return false; -} - -/**************************************************************************** -PARAMETERS: -info - Array of PCIDeviceInfo structures to fill in -maxDevices - Maximum number of of devices to enumerate into array - -RETURNS: -Number of PCI devices found and enumerated on the PCI bus, 0 if not PCI. - -REMARKS: -Function to enumerate all available devices on the PCI bus into an array -of configuration information blocks. -****************************************************************************/ -static int PCI_enumerateMech1( - PCIDeviceInfo info[]) -{ - int bus,device,function,i,numFound = 0; - ulong *lp,tmp; - PCIslot slot = {{0,0,0,0,0,0,1}}; - PCIDeviceInfo pci,prev = {0}; - - /* Try PCI access mechanism 1 */ - PM_outpb(0xCFB,0x01); - tmp = PM_inpd(0xCF8); - PM_outpd(0xCF8,slot.i); - if ((PM_inpd(0xCF8) == slot.i) && (PM_inpd(0xCFC) != 0xFFFFFFFFUL)) { - /* PCI access mechanism 1 - the preferred mechanism */ - for (bus = 0; bus < 8; bus++) { - slot.p.Bus = bus; - for (device = 0; device < 32; device++) { - slot.p.Device = device; - for (function = 0; function < 8; function++) { - slot.p.Function = function; - slot.p.Register = 0; - PM_outpd(0xCF8,slot.i); - if (PM_inpd(0xCFC) != 0xFFFFFFFFUL) { - memset(&pci,0,sizeof(pci)); - pci.dwSize = sizeof(pci); - pci.mech1 = 1; - pci.slot = slot; - lp = (ulong*)&(pci.VendorID); - for (i = 0; i < NUM_PCI_REG; i++, lp++) { - slot.p.Register = i; - PM_outpd(0xCF8,slot.i); - *lp = PM_inpd(0xCFC); - } - if (!CheckDuplicate(&pci,&prev)) { - if (info) - COPY_STRUCTURE(&info[numFound],&pci); - ++numFound; - } - prev = pci; - } - } - } - } - - /* Disable PCI config cycle on exit */ - PM_outpd(0xCF8,0); - return numFound; - } - PM_outpd(0xCF8,tmp); - - /* No hardware access mechanism 1 found */ - return 0; -} - -/**************************************************************************** -PARAMETERS: -info - Array of PCIDeviceInfo structures to fill in -maxDevices - Maximum number of of devices to enumerate into array - -RETURNS: -Number of PCI devices found and enumerated on the PCI bus, 0 if not PCI. - -REMARKS: -Function to enumerate all available devices on the PCI bus into an array -of configuration information blocks. -****************************************************************************/ -static int PCI_enumerateMech2( - PCIDeviceInfo info[]) -{ - int bus,device,function,i,numFound = 0; - ushort deviceIO; - ulong *lp; - PCIslot slot = {{0,0,0,0,0,0,1}}; - PCIDeviceInfo pci,prev = {0}; - - /* Try PCI access mechanism 2 */ - PM_outpb(0xCFB,0x00); - PM_outpb(0xCF8,0x00); - PM_outpb(0xCFA,0x00); - if (PM_inpb(0xCF8) == 0x00 && PM_inpb(0xCFB) == 0x00) { - /* PCI access mechanism 2 - the older mechanism for legacy busses */ - for (bus = 0; bus < 2; bus++) { - slot.p.Bus = bus; - PM_outpb(0xCFA,(uchar)bus); - for (device = 0; device < 16; device++) { - slot.p.Device = device; - deviceIO = 0xC000 + (device << 8); - for (function = 0; function < 8; function++) { - slot.p.Function = function; - slot.p.Register = 0; - PM_outpb(0xCF8,(uchar)((function << 1) | 0x10)); - if (PM_inpd(deviceIO) != 0xFFFFFFFFUL) { - memset(&pci,0,sizeof(pci)); - pci.dwSize = sizeof(pci); - pci.mech1 = 0; - pci.slot = slot; - lp = (ulong*)&(pci.VendorID); - for (i = 0; i < NUM_PCI_REG; i++, lp++) { - slot.p.Register = i; - *lp = PM_inpd(deviceIO + (i << 2)); - } - if (!CheckDuplicate(&pci,&prev)) { - if (info) - COPY_STRUCTURE(&info[numFound],&pci); - ++numFound; - } - prev = pci; - } - } - } - } - - /* Disable PCI config cycle on exit */ - PM_outpb(0xCF8,0); - return numFound; - } - - /* No hardware access mechanism 2 found */ - return 0; -} - -/**************************************************************************** -REMARKS: -This functions reads a configuration dword via the PCI BIOS. -****************************************************************************/ -static ulong PCIBIOS_readDWORD( - int index, - ulong slot) -{ - return (ulong)_PCIBIOS_service(READ_CONFIG_DWORD,slot >> 8,index,0,PCIEntry); -} - -/**************************************************************************** -PARAMETERS: -info - Array of PCIDeviceInfo structures to fill in -maxDevices - Maximum number of of devices to enumerate into array - -RETURNS: -Number of PCI devices found and enumerated on the PCI bus, 0 if not PCI. - -REMARKS: -Function to enumerate all available devices on the PCI bus into an array -of configuration information blocks. -****************************************************************************/ -static int PCI_enumerateBIOS( - PCIDeviceInfo info[]) -{ - uchar hwType,lastBus; - int bus,device,function,i,numFound = 0; - ulong *lp; - PCIslot slot = {{0,0,0,0,0,0,1}}; - PCIDeviceInfo pci,prev = {0}; - - if (PCIBIOS_detect(&hwType,&lastBus)) { - /* PCI BIOS access - the ultimate fallback */ - for (bus = 0; bus <= lastBus; bus++) { - slot.p.Bus = bus; - for (device = 0; device < 32; device++) { - slot.p.Device = device; - for (function = 0; function < 8; function++) { - slot.p.Function = function; - if (PCIBIOS_readDWORD(0,slot.i) != 0xFFFFFFFFUL) { - memset(&pci,0,sizeof(pci)); - pci.dwSize = sizeof(pci); - pci.mech1 = 2; - pci.slot = slot; - lp = (ulong*)&(pci.VendorID); - for (i = 0; i < NUM_PCI_REG; i++, lp++) - *lp = PCIBIOS_readDWORD(i << 2,slot.i); - if (!CheckDuplicate(&pci,&prev)) { - if (info) - COPY_STRUCTURE(&info[numFound],&pci); - ++numFound; - } - prev = pci; - } - } - } - } - } - - /* Return number of devices found */ - return numFound; -} - -/**************************************************************************** -PARAMETERS: -info - Array of PCIDeviceInfo structures to fill in -maxDevices - Maximum number of of devices to enumerate into array - -RETURNS: -Number of PCI devices found and enumerated on the PCI bus, 0 if not PCI. - -REMARKS: -Function to enumerate all available devices on the PCI bus into an array -of configuration information blocks. -****************************************************************************/ -int _ASMAPI PCI_enumerate( - PCIDeviceInfo info[]) -{ - int numFound; - - /* First try via the direct access mechanisms which are faster if we - * have them (nearly always). The BIOS is used as a fallback, and for - * stuff we can't do directly. - */ - if ((numFound = PCI_enumerateMech1(info)) == 0) { - if ((numFound = PCI_enumerateMech2(info)) == 0) { - if ((numFound = PCI_enumerateBIOS(info)) == 0) - return 0; - } - } - return numFound; -} - -/**************************************************************************** -PARAMETERS: -info - Array of PCIDeviceInfo structures to fill in -maxDevices - Maximum number of of devices to enumerate into array - -RETURNS: -Number of PCI devices found and enumerated on the PCI bus, 0 if not PCI. - -REMARKS: -Function to enumerate all available devices on the PCI bus into an array -of configuration information blocks. -****************************************************************************/ -int _ASMAPI PCI_getNumDevices(void) -{ - return PCI_enumerate(NULL); -} - -/**************************************************************************** -PARAMETERS: -bar - Base address to measure -pci - PCI device to access - -RETURNS: -Size of the PCI base address in bytes - -REMARKS: -This function measures the size of the PCI base address register in bytes, -by writing all F's to the register, and reading the value back. The size -of the base address is determines by the bits that are hardwired to zero's. -****************************************************************************/ -ulong _ASMAPI PCI_findBARSize( - int bar, - PCIDeviceInfo *pci) -{ - ulong base,size = 0; - - base = PCI_accessReg(bar,0,PCI_READ_DWORD,pci); - if (base && !(base & 0x1)) { - /* For some strange reason some devices don't properly decode - * their base address registers (Intel PCI/PCI bridges!), and - * we read completely bogus values. We check for that here - * and clear out those BAR's. - * - * We check for that here because at least the low 12 bits - * of the address range must be zeros, since the page size - * on IA32 processors is always 4Kb. - */ - if ((base & 0xFFF) == 0) { - PCI_accessReg(bar,0xFFFFFFFF,PCI_WRITE_DWORD,pci); - size = PCI_accessReg(bar,0,PCI_READ_DWORD,pci) & ~0xFF; - size = ~size+1; - PCI_accessReg(bar,base,PCI_WRITE_DWORD,pci); - } - } - pci->slot.p.Register = 0; - return size; -} - -/**************************************************************************** -PARAMETERS: -index - DWORD index of the register to access -value - Value to write to the register for write access -func - Function to implement - -RETURNS: -The value read from the register for read operations - -REMARKS: -The function code are defined as follows - -code - function -0 - Read BYTE -1 - Read WORD -2 - Read DWORD -3 - Write BYTE -4 - Write WORD -5 - Write DWORD -****************************************************************************/ -ulong _ASMAPI PCI_accessReg( - int index, - ulong value, - int func, - PCIDeviceInfo *info) -{ - int iobase; - - if (info->mech1 == 2) { - /* Use PCI BIOS access since we dont have direct hardware access */ - switch (func) { - case PCI_READ_BYTE: - return (uchar)_PCIBIOS_service(READ_CONFIG_BYTE,info->slot.i >> 8,index,0,PCIEntry); - case PCI_READ_WORD: - return (ushort)_PCIBIOS_service(READ_CONFIG_WORD,info->slot.i >> 8,index,0,PCIEntry); - case PCI_READ_DWORD: - return (ulong)_PCIBIOS_service(READ_CONFIG_DWORD,info->slot.i >> 8,index,0,PCIEntry); - case PCI_WRITE_BYTE: - _PCIBIOS_service(WRITE_CONFIG_BYTE,info->slot.i >> 8,index,value,PCIEntry); - break; - case PCI_WRITE_WORD: - _PCIBIOS_service(WRITE_CONFIG_WORD,info->slot.i >> 8,index,value,PCIEntry); - break; - case PCI_WRITE_DWORD: - _PCIBIOS_service(WRITE_CONFIG_DWORD,info->slot.i >> 8,index,value,PCIEntry); - break; - } - } - else { - /* Use direct hardware access mechanisms */ - if (info->mech1) { - /* PCI access mechanism 1 */ - iobase = 0xCFC + (index & 3); - info->slot.p.Register = index >> 2; - PM_outpd(0xCF8,info->slot.i); - } - else { - /* PCI access mechanism 2 */ - PM_outpb(0xCF8,(uchar)((info->slot.p.Function << 1) | 0x10)); - PM_outpb(0xCFA,(uchar)info->slot.p.Bus); - iobase = 0xC000 + (info->slot.p.Device << 8) + index; - } - switch (func) { - case PCI_READ_BYTE: - case PCI_READ_WORD: - case PCI_READ_DWORD: value = PM_inpd(iobase); break; - case PCI_WRITE_BYTE: PM_outpb(iobase,(uchar)value); break; - case PCI_WRITE_WORD: PM_outpw(iobase,(ushort)value); break; - case PCI_WRITE_DWORD: PM_outpd(iobase,(ulong)value); break; - } - PM_outpd(0xCF8,0); - } - return value; -} - -/**************************************************************************** -PARAMETERS: -numDevices - Number of devices to query info for - -RETURNS: -0 on success, -1 on error, number of devices to enumerate if numDevices = 0 - -REMARKS: -This function reads the PCI routing information. If you pass a value of -0 for numDevices, this function will return with the number of devices -needed in the routing buffer that will be filled in by the BIOS. -****************************************************************************/ -ibool _ASMAPI PCI_getIRQRoutingOptions( - int numDevices, - PCIRouteInfo *buffer) -{ - PCIRoutingOptionsBuffer buf; - int ret; - - if (PCIPhysEntry) { - buf.BufferSize = numDevices * sizeof(PCIRouteInfo); - buf.DataBuffer = buffer; - if ((ret = _PCIBIOS_getRouting(&buf,PCIEntry)) == 0x89) - return buf.BufferSize / sizeof(PCIRouteInfo); - if (ret != 0) - return -1; - return 0; - } - - /* We currently only support this via the PCI BIOS functions */ - return -1; -} - -/**************************************************************************** -PARAMETERS: -info - PCI device information for the specified device -intPin - Value to store in the PCI InterruptPin register -IRQ - New ISA IRQ to map the PCI interrupt to (0-15) - -RETURNS: -True on success, or false if this function failed. - -REMARKS: -This function changes the PCI IRQ routing for the specified device to the -desired PCI interrupt and the desired ISA bus compatible IRQ. This function -may not be supported by the PCI BIOS, in which case this function will -fail. -****************************************************************************/ -ibool _ASMAPI PCI_setHardwareIRQ( - PCIDeviceInfo *info, - uint intPin, - uint IRQ) -{ - if (PCIPhysEntry) { - if (_PCIBIOS_setIRQ(info->slot.i >> 8,intPin,IRQ,PCIEntry)) { - info->u.type0.InterruptPin = intPin; - info->u.type0.InterruptLine = IRQ; - return true; - } - return false; - } - - /* We currently only support this via the PCI BIOS functions */ - return false; -} - -/**************************************************************************** -PARAMETERS: -bus - Bus number to generate the special cycle for -specialCycleData - Data to send for the special cyle - -REMARKS: -This function generates a special cycle on the specified bus using with -the specified data. -****************************************************************************/ -void _ASMAPI PCI_generateSpecialCyle( - uint bus, - ulong specialCycleData) -{ - if (PCIPhysEntry) - _PCIBIOS_specialCycle(bus,specialCycleData,PCIEntry); - /* We currently only support this via the PCI BIOS functions */ -} - -/**************************************************************************** -PARAMETERS: -info - PCI device information block for device to access -index - Index of register to start reading from -dst - Place to store the values read from configuration space -count - Count of bytes to read from configuration space - -REMARKS: -This function is used to read a block of PCI configuration space registers -from the configuration space into the passed in data block. This function -will properly handle reading non-DWORD aligned data from the configuration -space correctly. -****************************************************************************/ -void _ASMAPI PCI_readRegBlock( - PCIDeviceInfo *info, - int index, - void *dst, - int count) -{ - uchar *pb; - ulong *pd; - int i; - int startCount = (index & 3); - int middleCount = (count - startCount) >> 2; - int endCount = count - middleCount * 4 - startCount; - - for (i = 0,pb = dst; i < startCount; i++, index++) { - *pb++ = (uchar)PCI_accessReg(index,0,PCI_READ_BYTE,info); - } - for (i = 0,pd = (ulong*)pb; i < middleCount; i++, index += 4) { - *pd++ = (ulong)PCI_accessReg(index,0,PCI_READ_DWORD,info); - } - for (i = 0,pb = (uchar*)pd; i < endCount; i++, index++) { - *pb++ = (uchar)PCI_accessReg(index,0,PCI_READ_BYTE,info); - } -} - -/**************************************************************************** -PARAMETERS: -info - PCI device information block for device to access -index - Index of register to start reading from -dst - Place to store the values read from configuration space -count - Count of bytes to read from configuration space - -REMARKS: -This function is used to write a block of PCI configuration space registers -to the configuration space from the passed in data block. This function -will properly handle writing non-DWORD aligned data to the configuration -space correctly. -****************************************************************************/ -void _ASMAPI PCI_writeRegBlock( - PCIDeviceInfo *info, - int index, - void *src, - int count) -{ - uchar *pb; - ulong *pd; - int i; - int startCount = (index & 3); - int middleCount = (count - startCount) >> 2; - int endCount = count - middleCount * 4 - startCount; - - for (i = 0,pb = src; i < startCount; i++, index++) { - PCI_accessReg(index,*pb++,PCI_WRITE_BYTE,info); - } - for (i = 0,pd = (ulong*)pb; i < middleCount; i++, index += 4) { - PCI_accessReg(index,*pd++,PCI_WRITE_DWORD,info); - } - for (i = 0,pb = (uchar*)pd; i < endCount; i++, index++) { - PCI_accessReg(index,*pb++,PCI_WRITE_BYTE,info); - } -} diff --git a/board/MAI/bios_emulator/scitech/src/pm/common/unixio.c b/board/MAI/bios_emulator/scitech/src/pm/common/unixio.c deleted file mode 100644 index c3a66a7c14..0000000000 --- a/board/MAI/bios_emulator/scitech/src/pm/common/unixio.c +++ /dev/null @@ -1,306 +0,0 @@ -/**************************************************************************** -* -* SciTech OS Portability Manager Library -* -* ======================================================================== -* -* The contents of this file are subject to the SciTech MGL Public -* License Version 1.0 (the "License"); you may not use this file -* except in compliance with the License. You may obtain a copy of -* the License at http://www.scitechsoft.com/mgl-license.txt -* -* Software distributed under the License is distributed on an -* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or -* implied. See the License for the specific language governing -* rights and limitations under the License. -* -* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc. -* -* The Initial Developer of the Original Code is SciTech Software, Inc. -* All Rights Reserved. -* -* ======================================================================== -* -* Language: ANSI C -* Environment: Any -* -* Description: Module containing Unix I/O functions. -* -****************************************************************************/ - -#include "pmapi.h" -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sys/stat.h> -#include <unistd.h> -#include <dirent.h> - -/*----------------------------- Implementation ----------------------------*/ - -/* {secret} */ -typedef struct { - DIR *d; - char path[PM_MAX_PATH]; - char mask[PM_MAX_PATH]; - } PM_findHandle; - -/**************************************************************************** -REMARKS: -Internal function to convert the find data to the generic interface. -****************************************************************************/ -static void convertFindData( - PM_findData *findData, - struct dirent *blk, - const char *path) -{ - ulong dwSize = findData->dwSize; - struct stat st; - char filename[PM_MAX_PATH]; - - memset(findData,0,findData->dwSize); - findData->dwSize = dwSize; - strcpy(filename,path); - PM_backslash(filename); - strcat(filename,blk->d_name); - stat(filename,&st); - if (!(st.st_mode & S_IWRITE)) - findData->attrib |= PM_FILE_READONLY; - if (st.st_mode & S_IFDIR) - findData->attrib |= PM_FILE_DIRECTORY; - findData->sizeLo = st.st_size; - findData->sizeHi = 0; - strncpy(findData->name,blk->d_name,PM_MAX_PATH); - findData->name[PM_MAX_PATH-1] = 0; -} - -/**************************************************************************** -REMARKS: -Determines if a file name matches the passed in pattern. -****************************************************************************/ -static ibool filematch( - char *pattern, - char *dirpath, - struct dirent *dire) -{ - struct stat st; - int i = 0,j = 0,lastchar = '\0'; - char fullpath[PM_MAX_PATH]; - - strcpy(fullpath,dirpath); - PM_backslash(fullpath); - strcat(fullpath, dire->d_name); - if (stat(fullpath, &st) != 0) - return false; - for (; i < (int)strlen(dire->d_name) && j < (int)strlen(pattern); i++, j++) { - if (pattern[j] == '*' && lastchar != '\\') { - if (pattern[j+1] == '\0') - return true; - while (dire->d_name[i++] != pattern[j+1]) { - if (dire->d_name[i] == '\0') - return false; - } - i -= 2; - } - else if (dire->d_name[i] != pattern[j] && - !(pattern[j] == '?' && lastchar != '\\')) - return false; - lastchar = pattern[i]; - } - if (j == (int)strlen(pattern) && i == (int)strlen(dire->d_name)) - return true; - return false; -} - -/**************************************************************************** -REMARKS: -Function to find the first file matching a search criteria in a directory. -****************************************************************************/ -void * PMAPI PM_findFirstFile( - const char *filename, - PM_findData *findData) -{ - PM_findHandle *d; - struct dirent *dire; - char name[PM_MAX_PATH]; - char ext[PM_MAX_PATH]; - - if ((d = PM_malloc(sizeof(*d))) == NULL) - return PM_FILE_INVALID; - PM_splitpath(filename,NULL,d->path,name,ext); - strcpy(d->mask,name); - strcat(d->mask,ext); - if (strlen(d->path) == 0) - strcpy(d->path, "."); - if (d->path[strlen(d->path)-1] == '/') - d->path[strlen(d->path)-1] = 0; - if ((d->d = opendir(d->path)) != NULL) { - while ((dire = readdir(d->d)) != NULL) { - if (filematch(d->mask,d->path,dire)) { - convertFindData(findData,dire,d->path); - return d; - } - } - closedir(d->d); - } - PM_free(d); - return PM_FILE_INVALID; -} - -/**************************************************************************** -REMARKS: -Function to find the next file matching a search criteria in a directory. -****************************************************************************/ -ibool PMAPI PM_findNextFile( - void *handle, - PM_findData *findData) -{ - PM_findHandle *d = handle; - struct dirent *dire; - - while ((dire = readdir(d->d)) != NULL) { - if (filematch(d->mask,d->path,dire)) { - convertFindData(findData,dire,d->path); - return true; - } - } - return false; -} - -/**************************************************************************** -REMARKS: -Function to close the find process -****************************************************************************/ -void PMAPI PM_findClose( - void *handle) -{ - PM_findHandle *d = handle; - - closedir(d->d); - free(d); -} - -/**************************************************************************** -REMARKS: -Function to determine if a drive is a valid drive or not. Under Unix this -function will return false for anything except a value of 3 (considered -the root drive, and equivalent to C: for non-Unix systems). The drive -numbering is: - - 1 - Drive A: - 2 - Drive B: - 3 - Drive C: - etc - -****************************************************************************/ -ibool PMAPI PM_driveValid( - char drive) -{ - if (drive == 3) - return true; - return false; -} - -/**************************************************************************** -REMARKS: -Function to get the current working directory for the specififed drive. -Under Unix this will always return the current working directory regardless -of what the value of 'drive' is. -****************************************************************************/ -void PMAPI PM_getdcwd( - int drive, - char *dir, - int len) -{ - (void)drive; - getcwd(dir,len); -} - -/**************************************************************************** -REMARKS: -Function to change the file attributes for a specific file. -****************************************************************************/ -void PMAPI PM_setFileAttr( - const char *filename, - uint attrib) -{ - struct stat st; - mode_t mode; - - stat(filename,&st); - mode = st.st_mode; - if (attrib & PM_FILE_READONLY) - mode &= ~S_IWRITE; - else - mode |= S_IWRITE; - chmod(filename,mode); -} - -/**************************************************************************** -REMARKS: -Function to get the file attributes for a specific file. -****************************************************************************/ -uint PMAPI PM_getFileAttr( - const char *filename) -{ - struct stat st; - - stat(filename,&st); - if (st.st_mode & S_IWRITE) - return 0; - return PM_FILE_READONLY; -} - -/**************************************************************************** -REMARKS: -Function to create a directory. -****************************************************************************/ -ibool PMAPI PM_mkdir( - const char *filename) -{ - return mkdir(filename,0x1FF) == 0; -} - -/**************************************************************************** -REMARKS: -Function to remove a directory. -****************************************************************************/ -ibool PMAPI PM_rmdir( - const char *filename) -{ - return rmdir(filename) == 0; -} - -/**************************************************************************** -REMARKS: -Function to get the file time and date for a specific file. -****************************************************************************/ -ibool PMAPI PM_getFileTime( - const char *filename, - ibool gmTime, - PM_time *time) -{ - /* TODO: Implement this! */ - (void)filename; - (void)gmTime; - (void)time; - PM_fatalError("PM_getFileTime not implemented yet!"); - return false; -} - -/**************************************************************************** -REMARKS: -Function to set the file time and date for a specific file. -****************************************************************************/ -ibool PMAPI PM_setFileTime( - const char *filename, - ibool gmTime, - PM_time *time) -{ - /* TODO: Implement this! */ - (void)filename; - (void)gmTime; - (void)time; - PM_fatalError("PM_setFileTime not implemented yet!"); - return false; -} diff --git a/board/MAI/bios_emulator/scitech/src/pm/common/vgastate.c b/board/MAI/bios_emulator/scitech/src/pm/common/vgastate.c deleted file mode 100644 index 8056e9a33f..0000000000 --- a/board/MAI/bios_emulator/scitech/src/pm/common/vgastate.c +++ /dev/null @@ -1,377 +0,0 @@ -/**************************************************************************** -* -* SciTech OS Portability Manager Library -* -* ======================================================================== -* -* The contents of this file are subject to the SciTech MGL Public -* License Version 1.0 (the "License"); you may not use this file -* except in compliance with the License. You may obtain a copy of -* the License at http://www.scitechsoft.com/mgl-license.txt -* -* Software distributed under the License is distributed on an -* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or -* implied. See the License for the specific language governing -* rights and limitations under the License. -* -* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc. -* -* The Initial Developer of the Original Code is SciTech Software, Inc. -* All Rights Reserved. -* -* ======================================================================== -* -* Portions copyright (C) Josh Vanderhoof -* -* Language: ANSI C -* Environment: Any -* -* Description: Functions to save and restore the VGA hardware state. -* -****************************************************************************/ - -#include "pmapi.h" -#if defined(__WIN32_VXD__) || defined(__NT_DRIVER__) -#include "sdd/sddhelp.h" -#else -#include <string.h> -#endif - -/*--------------------------- Global variables ----------------------------*/ - -/* VGA index register ports */ -#define CRT_I 0x3D4 /* CRT Controller Index */ -#define ATT_IW 0x3C0 /* Attribute Controller Index & Data */ -#define GRA_I 0x3CE /* Graphics Controller Index */ -#define SEQ_I 0x3C4 /* Sequencer Index */ - -/* VGA data register ports */ -#define CRT_D 0x3D5 /* CRT Controller Data Register */ -#define ATT_R 0x3C1 /* Attribute Controller Data Read Register */ -#define GRA_D 0x3CF /* Graphics Controller Data Register */ -#define SEQ_D 0x3C5 /* Sequencer Data Register */ -#define MIS_R 0x3CC /* Misc Output Read Register */ -#define MIS_W 0x3C2 /* Misc Output Write Register */ -#define IS1_R 0x3DA /* Input Status Register 1 */ -#define PEL_IW 0x3C8 /* PEL Write Index */ -#define PEL_IR 0x3C7 /* PEL Read Index */ -#define PEL_D 0x3C9 /* PEL Data Register */ - -/* standard VGA indexes max counts */ -#define CRT_C 24 /* 24 CRT Controller Registers */ -#define ATT_C 21 /* 21 Attribute Controller Registers */ -#define GRA_C 9 /* 9 Graphics Controller Registers */ -#define SEQ_C 5 /* 5 Sequencer Registers */ -#define MIS_C 1 /* 1 Misc Output Register */ -#define PAL_C 768 /* 768 Palette Registers */ -#define FONT_C 8192 /* Total size of character generator RAM */ - -/* VGA registers saving indexes */ -#define CRT 0 /* CRT Controller Registers start */ -#define ATT (CRT+CRT_C) /* Attribute Controller Registers start */ -#define GRA (ATT+ATT_C) /* Graphics Controller Registers start */ -#define SEQ (GRA+GRA_C) /* Sequencer Registers */ -#define MIS (SEQ+SEQ_C) /* General Registers */ -#define PAL (MIS+MIS_C) /* VGA Palette Registers */ -#define FONT (PAL+PAL_C) /* VGA font data */ - -/* Macros for port I/O with arguments reversed */ - -#define _port_out(v,p) PM_outpb(p,(uchar)(v)) -#define _port_in(p) PM_inpb(p) - -/*----------------------------- Implementation ----------------------------*/ - -/**************************************************************************** -REMARKS: -Returns the size of the VGA state buffer. -****************************************************************************/ -int PMAPI PM_getVGAStateSize(void) -{ - return CRT_C + ATT_C + GRA_C + SEQ_C + MIS_C + PAL_C + FONT_C; -} - -/**************************************************************************** -REMARKS: -Delay for a short period of time. -****************************************************************************/ -static void vga_delay(void) -{ - int i; - - /* For the loop here we program the POST register. The length of this - * delay is dependant only on ISA bus speed, but it is enough for - * what we need. - */ - for (i = 0; i <= 10; i++) - PM_outpb(0x80, 0); -} - -/**************************************************************************** -PARAMETERS: -port - I/O port to read value from -index - Port index to read - -RETURNS: -Byte read from 'port' register 'index'. -****************************************************************************/ -static ushort vga_rdinx( - ushort port, - ushort index) -{ - PM_outpb(port,(uchar)index); - return PM_inpb(port+1); -} - -/**************************************************************************** -PARAMETERS: -port - I/O port to write to -index - Port index to write -value - Byte to write to port - -REMARKS: -Writes a byte value to the 'port' register 'index'. -****************************************************************************/ -static void vga_wrinx( - ushort port, - ushort index, - ushort value) -{ - PM_outpb(port,(uchar)index); - PM_outpb(port+1,(uchar)value); -} - -/**************************************************************************** -REMARKS: -Save the color palette values -****************************************************************************/ -static void vga_savepalette( - uchar *pal) -{ - int i; - - _port_out(0, PEL_IR); - for (i = 0; i < 768; i++) { - vga_delay(); - *pal++ = _port_in(PEL_D); - } -} - -/**************************************************************************** -REMARKS: -Restore the color palette values -****************************************************************************/ -static void vga_restorepalette( - const uchar *pal) -{ - int i; - - /* restore saved palette */ - _port_out(0, PEL_IW); - for (i = 0; i < 768; i++) { - vga_delay(); - _port_out(*pal++, PEL_D); - } -} - -/**************************************************************************** -REMARKS: -Read the font data from the VGA character generator RAM -****************************************************************************/ -static void vga_saveFont( - uchar *data) -{ - uchar *A0000Ptr = PM_getA0000Pointer(); - uchar save[7]; - - /* Enable access to character generator RAM */ - save[0] = (uchar)vga_rdinx(SEQ_I,0x00); - save[1] = (uchar)vga_rdinx(SEQ_I,0x02); - save[2] = (uchar)vga_rdinx(SEQ_I,0x04); - save[3] = (uchar)vga_rdinx(SEQ_I,0x00); - save[4] = (uchar)vga_rdinx(GRA_I,0x04); - save[5] = (uchar)vga_rdinx(GRA_I,0x05); - save[6] = (uchar)vga_rdinx(GRA_I,0x06); - vga_wrinx(SEQ_I,0x00,0x01); - vga_wrinx(SEQ_I,0x02,0x04); - vga_wrinx(SEQ_I,0x04,0x07); - vga_wrinx(SEQ_I,0x00,0x03); - vga_wrinx(GRA_I,0x04,0x02); - vga_wrinx(GRA_I,0x05,0x00); - vga_wrinx(GRA_I,0x06,0x00); - - /* Copy character generator RAM */ - memcpy(data,A0000Ptr,FONT_C); - - /* Restore VGA state */ - vga_wrinx(SEQ_I,0x00,save[0]); - vga_wrinx(SEQ_I,0x02,save[1]); - vga_wrinx(SEQ_I,0x04,save[2]); - vga_wrinx(SEQ_I,0x00,save[3]); - vga_wrinx(GRA_I,0x04,save[4]); - vga_wrinx(GRA_I,0x05,save[5]); - vga_wrinx(GRA_I,0x06,save[6]); -} - -/**************************************************************************** -REMARKS: -Downloads the font data to the VGA character generator RAM -****************************************************************************/ -static void vga_restoreFont( - const uchar *data) -{ - uchar *A0000Ptr = PM_getA0000Pointer(); - - /* Enable access to character generator RAM */ - vga_wrinx(SEQ_I,0x00,0x01); - vga_wrinx(SEQ_I,0x02,0x04); - vga_wrinx(SEQ_I,0x04,0x07); - vga_wrinx(SEQ_I,0x00,0x03); - vga_wrinx(GRA_I,0x04,0x02); - vga_wrinx(GRA_I,0x05,0x00); - vga_wrinx(GRA_I,0x06,0x00); - - /* Copy font back to character generator RAM */ - memcpy(A0000Ptr,data,FONT_C); -} - -/**************************************************************************** -REMARKS: -Save the state of all VGA compatible registers -****************************************************************************/ -void PMAPI PM_saveVGAState( - void *stateBuf) -{ - uchar *regs = stateBuf; - int i; - - /* Save state of VGA registers */ - for (i = 0; i < CRT_C; i++) { - _port_out(i, CRT_I); - regs[CRT + i] = _port_in(CRT_D); - } - for (i = 0; i < ATT_C; i++) { - _port_in(IS1_R); - vga_delay(); - _port_out(i, ATT_IW); - vga_delay(); - regs[ATT + i] = _port_in(ATT_R); - vga_delay(); - } - for (i = 0; i < GRA_C; i++) { - _port_out(i, GRA_I); - regs[GRA + i] = _port_in(GRA_D); - } - for (i = 0; i < SEQ_C; i++) { - _port_out(i, SEQ_I); - regs[SEQ + i] = _port_in(SEQ_D); - } - regs[MIS] = _port_in(MIS_R); - - /* Save the VGA palette values */ - vga_savepalette(®s[PAL]); - - /* Save the VGA character generator RAM */ - vga_saveFont(®s[FONT]); - - /* Turn the VGA display back on */ - PM_vgaUnblankDisplay(); -} - -/**************************************************************************** -REMARKS: -Retore the state of all VGA compatible registers -****************************************************************************/ -void PMAPI PM_restoreVGAState( - const void *stateBuf) -{ - const uchar *regs = stateBuf; - int i; - - /* Blank the display before we start the restore */ - PM_vgaBlankDisplay(); - - /* Restore the VGA character generator RAM */ - vga_restoreFont(®s[FONT]); - - /* Restore the VGA palette values */ - vga_restorepalette(®s[PAL]); - - /* Restore the state of the VGA compatible registers */ - _port_out(regs[MIS], MIS_W); - - /* Delay to allow clock change to settle */ - for (i = 0; i < 10; i++) - vga_delay(); - - /* Synchronous reset on */ - _port_out(0x00,SEQ_I); - _port_out(0x01,SEQ_D); - - /* Write seqeuencer registers */ - _port_out(1, SEQ_I); - _port_out(regs[SEQ + 1] | 0x20, SEQ_D); - for (i = 2; i < SEQ_C; i++) { - _port_out(i, SEQ_I); - _port_out(regs[SEQ + i], SEQ_D); - } - - /* Synchronous reset off */ - _port_out(0x00,SEQ_I); - _port_out(0x03,SEQ_D); - - /* Deprotect CRT registers 0-7 and write CRTC */ - _port_out(0x11, CRT_I); - _port_out(_port_in(CRT_D) & 0x7F, CRT_D); - for (i = 0; i < CRT_C; i++) { - _port_out(i, CRT_I); - _port_out(regs[CRT + i], CRT_D); - } - for (i = 0; i < GRA_C; i++) { - _port_out(i, GRA_I); - _port_out(regs[GRA + i], GRA_D); - } - for (i = 0; i < ATT_C; i++) { - _port_in(IS1_R); /* reset flip-flop */ - vga_delay(); - _port_out(i, ATT_IW); - vga_delay(); - _port_out(regs[ATT + i], ATT_IW); - vga_delay(); - } - - /* Ensure the VGA screen is turned on */ - PM_vgaUnblankDisplay(); -} - -/**************************************************************************** -REMARKS: -Disables the VGA display for screen output making it blank. -****************************************************************************/ -void PMAPI PM_vgaBlankDisplay(void) -{ - /* Turn screen off */ - _port_out(0x01, SEQ_I); - _port_out(_port_in(SEQ_D) | 0x20, SEQ_D); - - /* Disable video output */ - _port_in(IS1_R); - vga_delay(); - _port_out(0x00, ATT_IW); -} - -/**************************************************************************** -REMARKS: -Enables the VGA display for screen output. -****************************************************************************/ -void PMAPI PM_vgaUnblankDisplay(void) -{ - /* Turn screen back on */ - _port_out(0x01, SEQ_I); - _port_out(_port_in(SEQ_D) & 0xDF, SEQ_D); - - /* Enable video output */ - _port_in(IS1_R); - vga_delay(); - _port_out(0x20, ATT_IW); -} |
