diff options
Diffstat (limited to 'board/MAI/bios_emulator/scitech/src/v86bios/x86emu.c')
| -rw-r--r-- | board/MAI/bios_emulator/scitech/src/v86bios/x86emu.c | 86 |
1 files changed, 43 insertions, 43 deletions
diff --git a/board/MAI/bios_emulator/scitech/src/v86bios/x86emu.c b/board/MAI/bios_emulator/scitech/src/v86bios/x86emu.c index 2cc72df995..b5c99d7a7f 100644 --- a/board/MAI/bios_emulator/scitech/src/v86bios/x86emu.c +++ b/board/MAI/bios_emulator/scitech/src/v86bios/x86emu.c @@ -28,7 +28,7 @@ #include </usr/include/unistd.h> #include <errno.h> #include <asm/unistd.h> -//#include <syscall-list.h> +/*#include <syscall-list.h> */ #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -50,10 +50,10 @@ struct pio P; void -setup_io(void) +setup_io(void) { if (!Config.PrintPort && !Config.IoStatistics) { - + #if defined (__i386__) P.inb = (u8(*)(u16))inb; P.inw = (u16(*)(u16))inw; @@ -86,19 +86,19 @@ void x86emu_do_int(int num) { struct regs86 regs; - + i_printf("int 0x%x received: ax:0x%x",num,CPU_REG(AX)); if (Config.PrintIp) - i_printf(" at: 0x%x\n",getIP()); + i_printf(" at: 0x%x\n",getIP()); else - i_printf("\n"); - + i_printf("\n"); + /* try to run bios interrupt */ - + /* if not installed fall back */ #define COPY(x,y) regs.y = M.x86.x #define COPY_R(x,y) M.x86.x = regs.y - + COPY(R_EAX,eax); COPY(R_EBX,ebx); COPY(R_ECX,ecx); @@ -117,12 +117,12 @@ x86emu_do_int(int num) COPY(R_EFLG,eflags); if (!(int_handler(num,®s))) { - if (!run_bios_int(num,®s)) - goto unknown_int; - else - return; + if (!run_bios_int(num,®s)) + goto unknown_int; + else + return; } - + COPY_R(R_EAX,eax); COPY_R(R_EBX,ebx); COPY_R(R_ECX,ecx); @@ -145,7 +145,7 @@ x86emu_do_int(int num) fprintf(stderr,"\nUnknown vm86_int: %X\n\n",num); X86EMU_halt_sys(); return; - + #undef COPY #undef COPY_R } @@ -159,12 +159,12 @@ setup_x86emu(unsigned long bios_start, i86biosRegsPtr regs) X86EMU_intrFuncs intFuncs[256]; X86EMU_pioFuncs pioFuncs = { - (u8(*)(u16))P.inb, - (u16(*)(u16))P.inw, - (u32(*)(u16))P.inl, - (void(*)(u16,u8))P.outb, - (void(*)(u16,u16))P.outw, - (void(*)(u16,u32))P.outl + (u8(*)(u16))P.inb, + (u16(*)(u16))P.inw, + (u32(*)(u16))P.inl, + (void(*)(u16,u8))P.outb, + (void(*)(u16,u16))P.outw, + (void(*)(u16,u32))P.outl }; #ifdef __alpha__ X86EMU_memFuncs memFuncs = { @@ -178,29 +178,29 @@ setup_x86emu(unsigned long bios_start, i86biosRegsPtr regs) #endif M.mem_base = 0; M.mem_size = 1024*1024 + 1024; - // M.x86.debug = DEBUG_DISASSEMBLE_F | DEBUG_TRACE_F | DEBUG_DECODE_F; - // M.x86.debug |= DEBUG_DECODE_F | DEBUG_TRACE_F; + /* M.x86.debug = DEBUG_DISASSEMBLE_F | DEBUG_TRACE_F | DEBUG_DECODE_F; */ + /* M.x86.debug |= DEBUG_DECODE_F | DEBUG_TRACE_F; */ /* * For single step tracing compile x86emu with option -DDEBUG */ M.x86.debug = 0; if (Config.PrintIp) - M.x86.debug = DEBUG_SAVE_CS_IP; + M.x86.debug = DEBUG_SAVE_CS_IP; if (Config.Trace) - X86EMU_trace_on(); + X86EMU_trace_on(); X86EMU_setupPioFuncs(&pioFuncs); #ifdef __alpha__ X86EMU_setupMemFuncs(&memFuncs); #endif for (i=0;i<256;i++) - intFuncs[i] = x86emu_do_int; + intFuncs[i] = x86emu_do_int; X86EMU_setupIntrFuncs(intFuncs); eip = bios_start & 0xFFFF; cs = (bios_start & 0xFF0000) >> 4; - + CPU_REG(EAX) = regs->ax; CPU_REG(EBX) = regs->bx; CPU_REG(ECX) = regs->cx; @@ -209,7 +209,7 @@ setup_x86emu(unsigned long bios_start, i86biosRegsPtr regs) CPU_REG(EDI) = regs->di; CPU_REG(EBP) = 0; CPU_REG(EIP) = eip; - CPU_REG(CS) = cs; + CPU_REG(CS) = cs; CPU_REG(SP) = 0x100; CPU_REG(SS) = 0x30; /* This is the standard pc bios stack */ CPU_REG(ES) = regs->es; @@ -252,14 +252,14 @@ do_x86(unsigned long bios_start, i86biosRegsPtr regs) setup_x86emu(bios_start,regs); if (setjmp(x86_esc) == 0) { - org_handler = signal(2,vmexit); - do_x86emu(); - signal(2,org_handler); - collect_bios_regs(regs); + org_handler = signal(2,vmexit); + do_x86emu(); + signal(2,org_handler); + collect_bios_regs(regs); } else { - signal(2,org_handler); - printf("interrupted at 0x%x\n",((CARD16)CPU_REG(CS)) << 4 - | (CARD16)CPU_REG(EIP)); + signal(2,org_handler); + printf("interrupted at 0x%x\n",((CARD16)CPU_REG(CS)) << 4 + | (CARD16)CPU_REG(EIP)); } } @@ -272,23 +272,23 @@ run_bios_int(int num, struct regs86 *regs) /* check if bios vector is initialized */ if (((CARD16*)0)[(num<<1)+1] == 0x0000) { /* SYS_BIOS_SEG ?*/ #ifdef V86BIOS_DEBUG - i_printf("card BIOS not loaded\n"); + i_printf("card BIOS not loaded\n"); #endif - return 0; + return 0; } - + #ifdef V86BIOS_DEBUG if (firsttime) { - dprint(0,0x3D0); - firsttime = 0; + dprint(0,0x3D0); + firsttime = 0; } #endif - + i_printf("calling card BIOS at: "); i_printf("0x%x:%x\n",((CARD16 *) 0)[(num << 1) + 1], - (CARD32)((CARD16 *) 0)[num << 1]); + (CARD32)((CARD16 *) 0)[num << 1]); X86EMU_prepareForInt(num); - + return 1; } |
