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-rw-r--r--board/MAI/bios_emulator/scitech/src/pm/qnx/_mtrrqnx.asm226
-rw-r--r--board/MAI/bios_emulator/scitech/src/pm/qnx/cpuinfo.c64
-rw-r--r--board/MAI/bios_emulator/scitech/src/pm/qnx/event.c602
-rw-r--r--board/MAI/bios_emulator/scitech/src/pm/qnx/mtrrqnx.c182
-rw-r--r--board/MAI/bios_emulator/scitech/src/pm/qnx/oshdr.h103
-rw-r--r--board/MAI/bios_emulator/scitech/src/pm/qnx/pm.c891
-rw-r--r--board/MAI/bios_emulator/scitech/src/pm/qnx/vflat.c49
-rw-r--r--board/MAI/bios_emulator/scitech/src/pm/qnx/ztimer.c91
8 files changed, 2208 insertions, 0 deletions
diff --git a/board/MAI/bios_emulator/scitech/src/pm/qnx/_mtrrqnx.asm b/board/MAI/bios_emulator/scitech/src/pm/qnx/_mtrrqnx.asm
new file mode 100644
index 0000000000..5a3fe105ec
--- /dev/null
+++ b/board/MAI/bios_emulator/scitech/src/pm/qnx/_mtrrqnx.asm
@@ -0,0 +1,226 @@
+;****************************************************************************
+;*
+;* 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
+;* Environment: QNX
+;*
+;* Description: Assembler support routines for the Memory Type Range Register
+;* (MTRR) module for QNX.
+;*
+;****************************************************************************
+
+ IDEAL
+
+include "scitech.mac" ; Memory model macros
+
+header _mtrrqnx ; Set up memory model
+
+begdataseg _mtrrqnx ; Start of code segment
+
+ifdef USE_NASM
+%define R0_FLUSH_TLB 0
+%define R0_SAVE_CR4 1
+%define R0_RESTORE_CR4 2
+%define R0_READ_MSR 3
+%define R0_WRITE_MSR 4
+else
+R0_FLUSH_TLB EQU 0
+R0_SAVE_CR4 EQU 1
+R0_RESTORE_CR4 EQU 2
+R0_READ_MSR EQU 3
+R0_WRITE_MSR EQU 4
+endif
+
+cpublic _PM_R0
+_PM_R0_service dd 0
+_PM_R0_reg dd 0
+_PM_R0_eax dd 0
+_PM_R0_edx dd 0
+
+enddataseg _mtrrqnx ; Start of code segment
+
+begcodeseg _mtrrqnx ; Start of code segment
+
+P586
+
+;----------------------------------------------------------------------------
+; 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
+ push [ULONG ps]
+ popfd ; Restore processor status (and interrupts)
+ pop ebp
+ 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
+
+;----------------------------------------------------------------------------
+; ulong _PM_ring0_isr(void);
+;----------------------------------------------------------------------------
+; Ring 0 clock interrupt handler that we use to execute the MTRR support
+; code.
+;----------------------------------------------------------------------------
+cprocnear _PM_ring0_isr
+
+;--------------------------------------------------------
+; void PM_flushTLB(void);
+;--------------------------------------------------------
+ pushad
+ cmp [DWORD _PM_R0_service],R0_FLUSH_TLB
+ jne @@1
+ wbinvd ; Flush the CPU cache
+ mov eax,cr3
+ mov cr3,eax ; Flush the TLB
+ jmp @@Exit
+
+;--------------------------------------------------------
+; ulong _MTRR_saveCR4(void);
+;--------------------------------------------------------
+@@1: cmp [DWORD _PM_R0_service],R0_SAVE_CR4
+ jne @@2
+
+; 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 [_PM_R0_reg],ebx
+ jmp @@Exit
+
+;--------------------------------------------------------
+; void _MTRR_restoreCR4(ulong cr4Val)
+;--------------------------------------------------------
+@@2: cmp [DWORD _PM_R0_service],R0_RESTORE_CR4
+ jne @@3
+
+ mov eax,cr0
+ and eax,0BFFFFFFFh
+ mov cr0,eax
+ mov eax,[_PM_R0_reg]
+ mov cr4,eax
+ jmp @@Exit
+
+;--------------------------------------------------------
+; void _MTRR_readMSR(int reg, ulong FAR *eax, ulong FAR *edx);
+;--------------------------------------------------------
+@@3: cmp [DWORD _PM_R0_service],R0_READ_MSR
+ jne @@4
+
+ mov ecx,[_PM_R0_reg]
+ rdmsr
+ mov [_PM_R0_eax],eax
+ mov [_PM_R0_edx],edx
+ jmp @@Exit
+
+;--------------------------------------------------------
+; void _MTRR_writeMSR(int reg, ulong eax, ulong edx);
+;--------------------------------------------------------
+@@4: cmp [DWORD _PM_R0_service],R0_WRITE_MSR
+ jne @@Exit
+
+ mov ecx,[_PM_R0_reg]
+ mov eax,[_PM_R0_eax]
+ mov edx,[_PM_R0_edx]
+ wrmsr
+ jmp @@Exit
+
+@@Exit: mov [DWORD _PM_R0_service],-1
+ popad
+ mov eax,0
+ retf
+
+cprocend
+
+endcodeseg _mtrrqnx
+
+ END ; End of module
diff --git a/board/MAI/bios_emulator/scitech/src/pm/qnx/cpuinfo.c b/board/MAI/bios_emulator/scitech/src/pm/qnx/cpuinfo.c
new file mode 100644
index 0000000000..a8782542b2
--- /dev/null
+++ b/board/MAI/bios_emulator/scitech/src/pm/qnx/cpuinfo.c
@@ -0,0 +1,64 @@
+/****************************************************************************
+*
+* Ultra Long Period Timer
+*
+* ========================================================================
+*
+* 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: QNX
+*
+* Description: QNX specific code for the CPU detection module.
+*
+****************************************************************************/
+
+/*----------------------------- Implementation ----------------------------*/
+
+/****************************************************************************
+REMARKS:
+TODO: We should implement this for QNX!
+****************************************************************************/
+#define SetMaxThreadPriority() 0
+
+/****************************************************************************
+REMARKS:
+TODO: We should implement this for QNX!
+****************************************************************************/
+#define RestoreThreadPriority(i)
+
+/****************************************************************************
+REMARKS:
+Initialise the counter and return the frequency of the counter.
+****************************************************************************/
+static void GetCounterFrequency(
+ CPU_largeInteger *freq)
+{
+ freq->low = CLOCKS_PER_SEC * 1000;
+ freq->high = 0;
+}
+
+/****************************************************************************
+REMARKS:
+Read the counter and return the counter value.
+****************************************************************************/
+#define GetCounter(t) \
+{ \
+ (t)->low = clock() * 1000; \
+ (t)->high = 0; \
+}
diff --git a/board/MAI/bios_emulator/scitech/src/pm/qnx/event.c b/board/MAI/bios_emulator/scitech/src/pm/qnx/event.c
new file mode 100644
index 0000000000..e16f8a5392
--- /dev/null
+++ b/board/MAI/bios_emulator/scitech/src/pm/qnx/event.c
@@ -0,0 +1,602 @@
+/****************************************************************************
+*
+* SciTech Multi-platform Graphics 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: QNX
+*
+* Description: QNX fullscreen console implementation for the SciTech
+* cross platform event library.
+*
+****************************************************************************/
+
+#include <errno.h>
+#include <unistd.h>
+
+/*--------------------------- Global variables ----------------------------*/
+
+#ifndef __QNXNTO__
+static struct _mouse_ctrl *_PM_mouse_ctl;
+static int _PM_keyboard_fd = -1;
+//static int _PM_modifiers, _PM_leds;
+#else
+static int kbd_fd = -1, mouse_fd = -1;
+#endif
+static int kill_pid = 0;
+static ushort keyUpMsg[256] = {0};/* Table of key up messages */
+static int rangeX,rangeY; /* Range of mouse coordinates */
+
+#define TIME_TO_MSEC(__t) ((__t).tv_nsec / 1000000 + (__t).tv_sec * 1000)
+
+#define LED_NUM 1
+#define LED_CAP 2
+#define LED_SCR 4
+
+/* Scancode mappings on QNX for special keys */
+
+typedef struct {
+ int scan;
+ int map;
+ } keymap;
+
+// TODO: Fix this and set it up so we can do a binary search!
+
+keymap keymaps[] = {
+ {96, KB_padEnter},
+ {74, KB_padMinus},
+ {78, KB_padPlus},
+ {55, KB_padTimes},
+ {98, KB_padDivide},
+ {71, KB_padHome},
+ {72, KB_padUp},
+ {73, KB_padPageUp},
+ {75, KB_padLeft},
+ {76, KB_padCenter},
+ {77, KB_padRight},
+ {79, KB_padEnd},
+ {80, KB_padDown},
+ {81, KB_padPageDown},
+ {82, KB_padInsert},
+ {83, KB_padDelete},
+ {105,KB_left},
+ {108,KB_down},
+ {106,KB_right},
+ {103,KB_up},
+ {110,KB_insert},
+ {102,KB_home},
+ {104,KB_pageUp},
+ {111,KB_delete},
+ {107,KB_end},
+ {109,KB_pageDown},
+ {125,KB_leftWindows},
+ {126,KB_rightWindows},
+ {127,KB_menu},
+ {100,KB_rightAlt},
+ {97,KB_rightCtrl},
+ };
+
+/* And the keypad with num lock turned on (changes the ASCII code only) */
+
+keymap keypad[] = {
+ {71, ASCII_7},
+ {72, ASCII_8},
+ {73, ASCII_9},
+ {75, ASCII_4},
+ {76, ASCII_5},
+ {77, ASCII_6},
+ {79, ASCII_1},
+ {80, ASCII_2},
+ {81, ASCII_3},
+ {82, ASCII_0},
+ {83, ASCII_period},
+ };
+
+#define NB_KEYMAPS (sizeof(keymaps)/sizeof(keymaps[0]))
+#define NB_KEYPAD (sizeof(keypad)/sizeof(keypad[0]))
+
+/*---------------------------- Implementation -----------------------------*/
+
+/****************************************************************************
+REMARKS:
+Include generic raw scancode keyboard module.
+****************************************************************************/
+#include "common/keyboard.c"
+
+/* These are not used under QNX */
+#define _EVT_disableInt() 1
+#define _EVT_restoreInt(flags)
+
+/****************************************************************************
+REMARKS:
+This function is used to return the number of ticks since system
+startup in milliseconds. This should be the same value that is placed into
+the time stamp fields of events, and is used to implement auto mouse down
+events.
+****************************************************************************/
+ulong _EVT_getTicks(void)
+{
+ struct timespec t;
+ clock_gettime(CLOCK_REALTIME,&t);
+ return (t.tv_nsec / 1000000 + t.tv_sec * 1000);
+}
+
+/****************************************************************************
+REMARKS:
+Converts a mickey movement value to a pixel adjustment value.
+****************************************************************************/
+static int MickeyToPixel(
+ int mickey)
+{
+ // TODO: We can add some code in here to handle 'acceleration' for
+ // the mouse cursor. For now just use the mickeys.
+ return mickey;
+}
+
+#ifdef __QNXNTO__
+/****************************************************************************
+REMARKS:
+Retrieves all events from the mouse/keyboard event queue and stuffs them
+into the MGL event queue for further processing.
+****************************************************************************/
+static void _EVT_pumpMessages(void)
+{
+ int rc1, rc2;
+ struct _keyboard_packet key;
+ struct _mouse_packet ms;
+ static long old_buttons = 0;
+ uint message = 0, but_stat = 0, mods = 0;
+ event_t evt;
+
+ while (EVT.count < EVENTQSIZE) {
+ rc1 = read(kbd_fd, (void *)&key, sizeof(key));
+ if (rc1 == -1) {
+ if (errno == EAGAIN)
+ rc1 = 0;
+ else {
+ perror("getEvents");
+ PM_fatalError("Keyboard error");
+ }
+ }
+ if (rc1 > 0) {
+ memset(&evt, 0, sizeof(evt));
+ if (key.data.modifiers & KEYMOD_SHIFT)
+ mods |= EVT_LEFTSHIFT;
+ if (key.data.modifiers & KEYMOD_CTRL)
+ mods |= EVT_CTRLSTATE;
+ if (key.data.modifiers & KEYMOD_ALT)
+ mods |= EVT_ALTSTATE;
+
+ /* Now store the keyboard event data */
+ evt.when = TIME_TO_MSEC(key.time);
+ if (key.data.flags & KEY_SCAN_VALID)
+ evt.message |= (key.data.key_scan & 0x7F) << 8;
+ if ((key.data.flags & KEY_SYM_VALID) &&
+ (((key.data.key_sym & 0xff00) == 0xf000 &&
+ (key.data.key_sym & 0xff) < 0x20) ||
+ key.data.key_sym < 0x80))
+ evt.message |= (key.data.key_sym & 0xFF);
+ evt.modifiers = mods;
+ if (key.data.flags & KEY_DOWN) {
+ evt.what = EVT_KEYDOWN;
+ keyUpMsg[evt.message >> 8] = (ushort)evt.message;
+ }
+ else if (key.data.flags & KEY_REPEAT) {
+ evt.message |= 0x10000;
+ evt.what = EVT_KEYREPEAT;
+ }
+ else {
+ evt.what = EVT_KEYUP;
+ evt.message = keyUpMsg[evt.message >> 8];
+ if (evt.message == 0)
+ continue;
+ keyUpMsg[evt.message >> 8] = 0;
+ }
+
+ /* Now add the new event to the event queue */
+ addEvent(&evt);
+ }
+ rc2 = read(mouse_fd, (void *)&ms, sizeof (ms));
+ if (rc2 == -1) {
+ if (errno == EAGAIN)
+ rc2 = 0;
+ else {
+ perror("getEvents");
+ PM_fatalError("Mouse error");
+ }
+ }
+ if (rc2 > 0) {
+ memset(&evt, 0, sizeof(evt));
+ ms.hdr.buttons &=
+ (_POINTER_BUTTON_LEFT | _POINTER_BUTTON_RIGHT);
+ if (ms.hdr.buttons & _POINTER_BUTTON_LEFT)
+ but_stat = EVT_LEFTBUT;
+ if ((ms.hdr.buttons & _POINTER_BUTTON_LEFT) !=
+ (old_buttons & _POINTER_BUTTON_LEFT))
+ message = EVT_LEFTBMASK;
+ if (ms.hdr.buttons & _POINTER_BUTTON_RIGHT)
+ but_stat |= EVT_RIGHTBUT;
+ if ((ms.hdr.buttons & _POINTER_BUTTON_RIGHT) !=
+ (old_buttons & _POINTER_BUTTON_RIGHT))
+ message |= EVT_RIGHTBMASK;
+ if (ms.dx || ms.dy) {
+ ms.dy = -ms.dy;
+ EVT.mx += MickeyToPixel(ms.dx);
+ EVT.my += MickeyToPixel(ms.dy);
+ if (EVT.mx < 0) EVT.mx = 0;
+ if (EVT.my < 0) EVT.my = 0;
+ if (EVT.mx > rangeX) EVT.mx = rangeX;
+ if (EVT.my > rangeY) EVT.my = rangeY;
+ evt.what = EVT_MOUSEMOVE;
+ evt.when = TIME_TO_MSEC(ms.hdr.time);
+ evt.where_x = EVT.mx;
+ evt.where_y = EVT.my;
+ evt.relative_x = ms.dx;
+ evt.relative_y = ms.dy;
+ evt.modifiers = but_stat;
+ addEvent(&evt);
+ }
+ evt.what = ms.hdr.buttons < old_buttons ?
+ EVT_MOUSEUP : EVT_MOUSEDOWN;
+ evt.when = TIME_TO_MSEC(ms.hdr.time);
+ evt.where_x = EVT.mx;
+ evt.where_y = EVT.my;
+ evt.relative_x = ms.dx;
+ evt.relative_y = ms.dy;
+ evt.modifiers = but_stat;
+ evt.message = message;
+ if (ms.hdr.buttons != old_buttons) {
+ addEvent(&evt);
+ old_buttons = ms.hdr.buttons;
+ }
+ }
+ if (rc1 + rc2 == 0)
+ break;
+ }
+}
+#else
+/****************************************************************************
+REMARKS:
+Retrieves all events from the mouse/keyboard event queue and stuffs them
+into the MGL event queue for further processing.
+****************************************************************************/
+static void _EVT_pumpMessages(void)
+{
+ struct mouse_event ev;
+ int rc;
+ static long old_buttons = 0;
+ uint message = 0, but_stat = 0;
+ event_t evt;
+ char buf[32];
+ int numkeys, i;
+
+ /* Poll keyboard events */
+ while ((numkeys = read(_PM_keyboard_fd, buf, sizeof buf)) > 0) {
+ for (i = 0; i < numkeys; i++) {
+ processRawScanCode(buf[i]);
+ }
+ }
+
+ if (_PM_mouse_ctl == NULL)
+ return;
+
+ /* Gobble pending mouse events */
+ while (EVT.count < EVENTQSIZE) {
+ rc = mouse_read(_PM_mouse_ctl, &ev, 1, 0, NULL);
+ if (rc == -1) {
+ perror("getEvents");
+ PM_fatalError("Mouse error (Input terminated?)");
+ }
+ if (rc == 0)
+ break;
+
+ message = 0, but_stat = 0;
+ memset(&evt, 0, sizeof(evt));
+
+ ev.buttons &= (_MOUSE_LEFT | _MOUSE_RIGHT);
+ if (ev.buttons & _MOUSE_LEFT)
+ but_stat = EVT_LEFTBUT;
+ if ((ev.buttons & _MOUSE_LEFT) != (old_buttons & _MOUSE_LEFT))
+ message = EVT_LEFTBMASK;
+ if (ev.buttons & _MOUSE_RIGHT)
+ but_stat |= EVT_RIGHTBUT;
+ if ((ev.buttons & _MOUSE_RIGHT) != (old_buttons & _MOUSE_RIGHT))
+ message |= EVT_RIGHTBMASK;
+ if (ev.dx || ev.dy) {
+ ev.dy = -ev.dy;
+ EVT.mx += MickeyToPixel(ev.dx);
+ EVT.my += MickeyToPixel(ev.dy);
+ if (EVT.mx < 0) EVT.mx = 0;
+ if (EVT.my < 0) EVT.my = 0;
+ if (EVT.mx > rangeX) EVT.mx = rangeX;
+ if (EVT.my > rangeY) EVT.my = rangeY;
+ evt.what = EVT_MOUSEMOVE;
+ evt.when = ev.timestamp*100;
+ evt.where_x = EVT.mx;
+ evt.where_y = EVT.my;
+ evt.relative_x = ev.dx;
+ evt.relative_y = ev.dy;
+ evt.modifiers = but_stat;
+ addEvent(&evt);
+ }
+ evt.what = ev.buttons < old_buttons ? EVT_MOUSEUP : EVT_MOUSEDOWN;
+ evt.when = ev.timestamp*100;
+ evt.where_x = EVT.mx;
+ evt.where_y = EVT.my;
+ evt.relative_x = ev.dx;
+ evt.relative_y = ev.dy;
+ evt.modifiers = but_stat;
+ evt.message = message;
+ if (ev.buttons != old_buttons) {
+ addEvent(&evt);
+ old_buttons = ev.buttons;
+ }
+ }
+}
+#endif /* __QNXNTO__ */
+
+/****************************************************************************
+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.
+****************************************************************************/
+#define _EVT_maskKeyCode(evt)
+
+/****************************************************************************
+REMARKS:
+Safely abort the event module upon catching a fatal error.
+****************************************************************************/
+void _EVT_abort(
+ int signo)
+{
+ char buf[80];
+
+ EVT_exit();
+ sprintf(buf,"Terminating on signal %d",signo);
+ PM_fatalError(buf);
+}
+
+/****************************************************************************
+PARAMETERS:
+mouseMove - Callback function to call wheneve the mouse needs to be moved
+
+REMARKS:
+Initiliase the event handling module. Here we install our mouse handling ISR
+to be called whenever any button's are pressed or released. We also build
+the free list of events in the event queue.
+
+We use handler number 2 of the mouse libraries interrupt handlers for our
+event handling routines.
+****************************************************************************/
+void EVTAPI EVT_init(
+ _EVT_mouseMoveHandler mouseMove)
+{
+ int i;
+ struct stat st;
+ char *iarg[16];
+#ifdef __QNXNTO__
+ char buf[128];
+ FILE *p;
+ int argno,len;
+#endif
+
+#ifdef __QNXNTO__
+ ThreadCtl(_NTO_TCTL_IO, 0); /* So joystick code won't blow up */
+#endif
+
+ /* Initialise the event queue */
+ EVT.mouseMove = mouseMove;
+ initEventQueue();
+ memset(keyUpMsg,0,sizeof(keyUpMsg));
+
+#ifdef __QNXNTO__
+ /*
+ * User may already have input running with the right parameters.
+ * Thus they could start input at boot time, using the output of
+ * inputtrap, passing the the -r flag to make it run as a resource
+ * manager.
+ */
+ if ((mouse_fd = open("/dev/mouse0", O_RDONLY | O_NONBLOCK)) < 0) {
+ /* Run inputtrap to get the args for input */
+ if ((p = popen("inputtrap", "r")) == NULL)
+ PM_fatalError("Error running 'inputtrap'");
+ fgets(buf, sizeof(buf), p);
+ pclose(p);
+
+ /* Build the argument list */
+ len = strlen(buf);
+ iarg[0] = buf;
+ for (i = 0, argno = 0; i < len && argno < 15;) {
+ if (argno == 1) {
+ /*
+ * Add flags to input's arg list.
+ * '-r' means run as resource
+ * manager, providing the /dev/mouse
+ * and /dev/keyboard interfaces.
+ * '-P' supresses the /dev/photon
+ * mechanism.
+ */
+ iarg[argno++] = "-Pr";
+ continue;
+ }
+ while (buf[i] == ' ')
+ i++;
+ if (buf[i] == '\0' || buf[i] == '\n')
+ break;
+ iarg[argno++] = &buf[i];
+ while (buf[i] != ' '
+ && buf[i] != '\0' && buf[i] != '\n')
+ i++;
+ buf[i++] = '\0';
+ }
+ iarg[argno] = NULL;
+
+ if ((kill_pid = spawnvp(P_NOWAITO, iarg[0], iarg)) == -1) {
+ perror("spawning input resmgr");
+ PM_fatalError("Could not start input resmgr");
+ }
+ for (i = 0; i < 10; i++) {
+ if (stat("/dev/mouse0", &st) == 0)
+ break;
+ sleep(1);
+ }
+ if ((mouse_fd = open("/dev/mouse0", O_RDONLY|O_NONBLOCK)) < 0) {
+ perror("/dev/mouse0");
+ PM_fatalError("Could not open /dev/mouse0");
+ }
+ }
+ if ((kbd_fd = open("/dev/keyboard0", O_RDONLY|O_NONBLOCK)) < 0) {
+ perror("/dev/keyboard0");
+ PM_fatalError("Could not open /dev/keyboard0");
+ }
+#else
+ /* Connect to Input/Mouse for event handling */
+ if (_PM_mouse_ctl == NULL) {
+ _PM_mouse_ctl = mouse_open(0, "/dev/mouse", 0);
+
+ /* "Mouse" is not running; attempt to start it */
+ if (_PM_mouse_ctl == NULL) {
+ iarg[0] = "mousetrap";
+ iarg[1] = "start";
+ iarg[2] = NULL;
+ if ((kill_pid = spawnvp(P_NOWAITO, iarg[0], (void*)iarg)) == -1)
+ perror("spawn (mousetrap)");
+ else {
+ for (i = 0; i < 10; i++) {
+ if (stat("/dev/mouse", &st) == 0)
+ break;
+ sleep(1);
+ }
+ _PM_mouse_ctl = mouse_open(0, "/dev/mouse", 0);
+ }
+ }
+ }
+ if (_PM_keyboard_fd == -1)
+ _PM_keyboard_fd = open("/dev/kbd", O_RDONLY|O_NONBLOCK);
+#endif
+
+ /* Catch program termination signals so we can clean up properly */
+ signal(SIGABRT, _EVT_abort);
+ signal(SIGFPE, _EVT_abort);
+ signal(SIGINT, _EVT_abort);
+}
+
+/****************************************************************************
+REMARKS
+Changes the range of coordinates returned by the mouse functions to the
+specified range of values. This is used when changing between graphics
+modes set the range of mouse coordinates for the new display mode.
+****************************************************************************/
+void EVTAPI EVT_setMouseRange(
+ int xRes,
+ int yRes)
+{
+ rangeX = xRes;
+ rangeY = yRes;
+}
+
+/****************************************************************************
+REMARKS
+Modifes the mouse coordinates as necessary if scaling to OS coordinates,
+and sets the OS mouse cursor position.
+****************************************************************************/
+#define _EVT_setMousePos(x,y)
+
+/****************************************************************************
+REMARKS:
+Initiailises the internal event handling modules. The EVT_suspend function
+can be called to suspend event handling (such as when shelling out to DOS),
+and this function can be used to resume it again later.
+****************************************************************************/
+void EVT_resume(void)
+{
+ // Do nothing for QNX
+}
+
+/****************************************************************************
+REMARKS
+Suspends all of our event handling operations. This is also used to
+de-install the event handling code.
+****************************************************************************/
+void EVT_suspend(void)
+{
+ // Do nothing for QNX
+}
+
+/****************************************************************************
+REMARKS
+Exits the event module for program terminatation.
+****************************************************************************/
+void EVT_exit(void)
+{
+#ifdef __QNXNTO__
+ char c;
+ int flags;
+
+ if (kbd_fd != -1) {
+ close(kbd_fd);
+ kbd_fd = -1;
+ }
+ if (mouse_fd != -1) {
+ close(mouse_fd);
+ mouse_fd = -1;
+ }
+#endif
+
+ /* Restore signal handlers */
+ signal(SIGABRT, SIG_DFL);
+ signal(SIGFPE, SIG_DFL);
+ signal(SIGINT, SIG_DFL);
+
+#ifndef __QNXNTO__
+ /* Kill the Input/Mouse driver if we have spawned it */
+ if (_PM_mouse_ctl != NULL) {
+ struct _fd_entry fde;
+ uint pid = 0;
+
+ /* Find out the pid of the mouse driver */
+ if (kill_pid > 0) {
+ if (qnx_fd_query(0,
+ 0, _PM_mouse_ctl->fd, &fde) != -1)
+ pid = fde.pid;
+ }
+ mouse_close(_PM_mouse_ctl);
+ _PM_mouse_ctl = NULL;
+
+ if (pid > 0) {
+ /* For some reasons the PID's are different under QNX4,
+ * so we use the old mechanism to kill the mouse server.
+ */
+ kill(pid, SIGTERM);
+ kill_pid = 0;
+ }
+ }
+#endif
+ if (kill_pid > 0) {
+ kill(kill_pid, SIGTERM);
+ kill_pid = 0;
+ }
+}
+
diff --git a/board/MAI/bios_emulator/scitech/src/pm/qnx/mtrrqnx.c b/board/MAI/bios_emulator/scitech/src/pm/qnx/mtrrqnx.c
new file mode 100644
index 0000000000..de749e3834
--- /dev/null
+++ b/board/MAI/bios_emulator/scitech/src/pm/qnx/mtrrqnx.c
@@ -0,0 +1,182 @@
+/****************************************************************************
+*
+* 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: QNX
+*
+* Description: MTRR helper functions module. To make it easier to implement
+* the MTRR support under QNX, we simply put our ring 0 helper
+* functions into stubs that run them at ring 0 using whatever
+* mechanism is available.
+*
+****************************************************************************/
+
+#include "pmapi.h"
+#include <stdio.h>
+#include <sys/mman.h>
+#include <time.h>
+#ifdef __QNXNTO__
+#include <sys/neutrino.h>
+#include <sys/syspage.h>
+#else
+#include <i86.h>
+#include <sys/irqinfo.h>
+#endif
+
+/*--------------------------- Global variables ----------------------------*/
+
+#define R0_FLUSH_TLB 0
+#define R0_SAVE_CR4 1
+#define R0_RESTORE_CR4 2
+#define R0_READ_MSR 3
+#define R0_WRITE_MSR 4
+
+typedef struct {
+ int service;
+ int reg;
+ ulong eax;
+ ulong edx;
+ } R0_data;
+
+extern volatile R0_data _PM_R0;
+
+/*----------------------------- Implementation ----------------------------*/
+
+#ifdef __QNXNTO__
+const struct sigevent * _ASMAPI _PM_ring0_isr(void *arg, int id);
+#else
+pid_t far _ASMAPI _PM_ring0_isr();
+#endif
+
+/****************************************************************************
+REMARKS:
+Return true if ring 0 (or if we can call the helpers functions at ring 0)
+****************************************************************************/
+ibool _ASMAPI _MTRR_isRing0(void)
+{
+#ifdef __QNXNTO__
+ return false; // Not implemented yet!
+#else
+ return true;
+#endif
+}
+
+/****************************************************************************
+REMARKS:
+Function to execute a service at ring 0. This is done using the clock
+interrupt handler since the code we attach to it will always run at ring 0.
+****************************************************************************/
+static void CallRing0(void)
+{
+#ifdef __QNXNTO__
+ uint clock_intno = SYSPAGE_ENTRY(qtime)->intr;
+#else
+ uint clock_intno = 0; /* clock irq */
+#endif
+ int intrid;
+
+#ifdef __QNXNTO__
+ mlock((void*)&_PM_R0, sizeof(_PM_R0));
+ ThreadCtl(_NTO_TCTL_IO, 0);
+#endif
+#ifdef __QNXNTO__
+ if ((intrid = InterruptAttach(_NTO_INTR_CLASS_EXTERNAL | clock_intno,
+ _PM_ring0_isr, (void*)&_PM_R0, sizeof(_PM_R0), _NTO_INTR_FLAGS_END)) == -1) {
+#else
+ if ((intrid = qnx_hint_attach(clock_intno, _PM_ring0_isr, FP_SEG(&_PM_R0))) == -1) {
+#endif
+ perror("Attach");
+ exit(-1);
+ }
+ while (_PM_R0.service != -1)
+ ;
+#ifdef __QNXNTO__
+ InterruptDetachId(intrid);
+#else
+ qnx_hint_detach(intrid);
+#endif
+}
+
+/****************************************************************************
+REMARKS:
+Flush the translation lookaside buffer.
+****************************************************************************/
+void PMAPI PM_flushTLB(void)
+{
+ _PM_R0.service = R0_FLUSH_TLB;
+ CallRing0();
+}
+
+/****************************************************************************
+REMARKS:
+Read and return the value of the CR4 register
+****************************************************************************/
+ulong _ASMAPI _MTRR_saveCR4(void)
+{
+ _PM_R0.service = R0_SAVE_CR4;
+ CallRing0();
+ return _PM_R0.reg;
+}
+
+/****************************************************************************
+REMARKS:
+Restore the value of the CR4 register
+****************************************************************************/
+void _ASMAPI _MTRR_restoreCR4(ulong cr4Val)
+{
+ _PM_R0.service = R0_RESTORE_CR4;
+ _PM_R0.reg = cr4Val;
+ CallRing0();
+}
+
+/****************************************************************************
+REMARKS:
+Read a machine status register for the CPU.
+****************************************************************************/
+void _ASMAPI _MTRR_readMSR(
+ int reg,
+ ulong *eax,
+ ulong *edx)
+{
+ _PM_R0.service = R0_READ_MSR;
+ _PM_R0.reg = reg;
+ CallRing0();
+ *eax = _PM_R0.eax;
+ *edx = _PM_R0.edx;
+}
+
+/****************************************************************************
+REMARKS:
+Write a machine status register for the CPU.
+****************************************************************************/
+void _ASMAPI _MTRR_writeMSR(
+ int reg,
+ ulong eax,
+ ulong edx)
+{
+ _PM_R0.service = R0_WRITE_MSR;
+ _PM_R0.reg = reg;
+ _PM_R0.eax = eax;
+ _PM_R0.edx = edx;
+ CallRing0();
+}
diff --git a/board/MAI/bios_emulator/scitech/src/pm/qnx/oshdr.h b/board/MAI/bios_emulator/scitech/src/pm/qnx/oshdr.h
new file mode 100644
index 0000000000..0961193049
--- /dev/null
+++ b/board/MAI/bios_emulator/scitech/src/pm/qnx/oshdr.h
@@ -0,0 +1,103 @@
+/****************************************************************************
+*
+* SciTech Multi-platform Graphics 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: QNX
+*
+* Description: Include file to include all OS specific header files.
+*
+****************************************************************************/
+
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <process.h>
+#include <time.h>
+#ifndef __QNXNTO__
+#include <sys/mouse.h>
+#include <sys/keyboard.h>
+#include <sys/fd.h>
+#include <conio.h>
+#else
+#include <sys/dcmd_input.h>
+
+/* Things 'borrowed' from photon/keycodes.h */
+
+/*
+ * Keyboard modifiers
+ */
+#define KEYMODBIT_SHIFT 0
+#define KEYMODBIT_CTRL 1
+#define KEYMODBIT_ALT 2
+#define KEYMODBIT_ALTGR 3
+#define KEYMODBIT_SHL3 4
+#define KEYMODBIT_MOD6 5
+#define KEYMODBIT_MOD7 6
+#define KEYMODBIT_MOD8 7
+
+#define KEYMODBIT_SHIFT_LOCK 8
+#define KEYMODBIT_CTRL_LOCK 9
+#define KEYMODBIT_ALT_LOCK 10
+#define KEYMODBIT_ALTGR_LOCK 11
+#define KEYMODBIT_SHL3_LOCK 12
+#define KEYMODBIT_MOD6_LOCK 13
+#define KEYMODBIT_MOD7_LOCK 14
+#define KEYMODBIT_MOD8_LOCK 15
+
+#define KEYMODBIT_CAPS_LOCK 16
+#define KEYMODBIT_NUM_LOCK 17
+#define KEYMODBIT_SCROLL_LOCK 18
+
+#define KEYMOD_SHIFT (1 << KEYMODBIT_SHIFT)
+#define KEYMOD_CTRL (1 << KEYMODBIT_CTRL)
+#define KEYMOD_ALT (1 << KEYMODBIT_ALT)
+#define KEYMOD_ALTGR (1 << KEYMODBIT_ALTGR)
+#define KEYMOD_SHL3 (1 << KEYMODBIT_SHL3)
+#define KEYMOD_MOD6 (1 << KEYMODBIT_MOD6)
+#define KEYMOD_MOD7 (1 << KEYMODBIT_MOD7)
+#define KEYMOD_MOD8 (1 << KEYMODBIT_MOD8)
+
+#define KEYMOD_SHIFT_LOCK (1 << KEYMODBIT_SHIFT_LOCK)
+#define KEYMOD_CTRL_LOCK (1 << KEYMODBIT_CTRL_LOCK)
+#define KEYMOD_ALT_LOCK (1 << KEYMODBIT_ALT_LOCK)
+#define KEYMOD_ALTGR_LOCK (1 << KEYMODBIT_ALTGR_LOCK)
+#define KEYMOD_SHL3_LOCK (1 << KEYMODBIT_SHL3_LOCK)
+#define KEYMOD_MOD6_LOCK (1 << KEYMODBIT_MOD6_LOCK)
+#define KEYMOD_MOD7_LOCK (1 << KEYMODBIT_MOD7_LOCK)
+#define KEYMOD_MOD8_LOCK (1 << KEYMODBIT_MOD8_LOCK)
+
+#define KEYMOD_CAPS_LOCK (1 << KEYMODBIT_CAPS_LOCK)
+#define KEYMOD_NUM_LOCK (1 << KEYMODBIT_NUM_LOCK)
+#define KEYMOD_SCROLL_LOCK (1 << KEYMODBIT_SCROLL_LOCK)
+
+/*
+ * Keyboard flags
+ */
+#define KEY_DOWN 0x00000001 /* Key was pressed down */
+#define KEY_REPEAT 0x00000002 /* Key was repeated */
+#define KEY_SCAN_VALID 0x00000020 /* Scancode is valid */
+#define KEY_SYM_VALID 0x00000040 /* Key symbol is valid */
+#define KEY_CAP_VALID 0x00000080 /* Key cap is valid */
+#define KEY_DEAD 0x40000000 /* Key symbol is a DEAD key */
+#define KEY_OEM_CAP 0x80000000 /* Key cap is an OEM scan code from keyboard */
+
+#endif /* __QNXNTO__ */
diff --git a/board/MAI/bios_emulator/scitech/src/pm/qnx/pm.c b/board/MAI/bios_emulator/scitech/src/pm/qnx/pm.c
new file mode 100644
index 0000000000..c2b41eb09f
--- /dev/null
+++ b/board/MAI/bios_emulator/scitech/src/pm/qnx/pm.c
@@ -0,0 +1,891 @@
+/****************************************************************************
+*
+* 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: QNX
+*
+* Description: Implementation for the OS Portability Manager Library, which
+* contains functions to implement OS specific services in a
+* generic, cross platform API. Porting the OS Portability
+* Manager library is the first step to porting any SciTech
+* products to a new platform.
+*
+****************************************************************************/
+
+#include "pmapi.h"
+#include "drvlib/os/os.h"
+#include "mtrr.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+#include <termios.h>
+#include <fcntl.h>
+#include <malloc.h>
+#include <sys/mman.h>
+#include "qnx/vbios.h"
+#ifndef __QNXNTO__
+#include <sys/seginfo.h>
+#include <sys/console.h>
+#include <conio.h>
+#include <i86.h>
+#else
+#include <sys/neutrino.h>
+#include <sys/dcmd_chr.h>
+#endif
+
+/*--------------------------- Global variables ----------------------------*/
+
+static uint VESABuf_len = 1024; /* Length of the VESABuf buffer */
+static void *VESABuf_ptr = NULL; /* Near pointer to VESABuf */
+static uint VESABuf_rseg; /* Real mode segment of VESABuf */
+static uint VESABuf_roff; /* Real mode offset of VESABuf */
+static VBIOSregs_t *VRegs = NULL; /* Pointer to VBIOS registers */
+static int raw_count = 0;
+static struct _console_ctrl *cc = NULL;
+static int console_count = 0;
+static int rmbuf_inuse = 0;
+
+static void (PMAPIP fatalErrorCleanup)(void) = NULL;
+
+/*----------------------------- Implementation ----------------------------*/
+
+void PMAPI PM_init(void)
+{
+ char *force;
+
+ if (VRegs == NULL) {
+#ifdef __QNXNTO__
+ ThreadCtl(_NTO_TCTL_IO, 0); /* Get IO privilidge */
+#endif
+ force = getenv("VBIOS_METHOD");
+ VRegs = VBIOSinit(force ? atoi(force) : 0);
+ }
+#ifndef __QNXNTO__
+ MTRR_init();
+#endif
+}
+
+ibool PMAPI PM_haveBIOSAccess(void)
+{ return VRegs != NULL; }
+
+long PMAPI PM_getOSType(void)
+{ return _OS_QNX; }
+
+int PMAPI PM_getModeType(void)
+{ return PM_386; }
+
+void PMAPI PM_backslash(char *s)
+{
+ uint pos = strlen(s);
+ if (s[pos-1] != '/') {
+ s[pos] = '/';
+ s[pos+1] = '\0';
+ }
+}
+
+void PMAPI PM_setFatalErrorCleanup(
+ void (PMAPIP cleanup)(void))
+{
+ fatalErrorCleanup = cleanup;
+}
+
+void PMAPI PM_fatalError(const char *msg)
+{
+ if (fatalErrorCleanup)
+ fatalErrorCleanup();
+ fprintf(stderr,"%s\n", msg);
+ exit(1);
+}
+
+static void ExitVBEBuf(void)
+{
+ if (VESABuf_ptr)
+ PM_freeRealSeg(VESABuf_ptr);
+ VESABuf_ptr = 0;
+}
+
+void * PMAPI PM_getVESABuf(uint *len,uint *rseg,uint *roff)
+{
+ if (!VESABuf_ptr) {
+ /* Allocate a global buffer for communicating with the VESA VBE */
+ if ((VESABuf_ptr = PM_allocRealSeg(VESABuf_len, &VESABuf_rseg, &VESABuf_roff)) == NULL)
+ return NULL;
+ atexit(ExitVBEBuf);
+ }
+ *len = VESABuf_len;
+ *rseg = VESABuf_rseg;
+ *roff = VESABuf_roff;
+ return VESABuf_ptr;
+}
+
+static int term_raw(void)
+{
+ struct termios termios_p;
+
+ if (raw_count++ > 0)
+ return 0;
+
+ /* Go into "raw" input mode */
+ if (tcgetattr(STDIN_FILENO, &termios_p))
+ return -1;
+
+ termios_p.c_cc[VMIN] = 1;
+ termios_p.c_cc[VTIME] = 0;
+ termios_p.c_lflag &= ~( ECHO|ICANON|ISIG|ECHOE|ECHOK|ECHONL);
+ tcsetattr(STDIN_FILENO, TCSADRAIN, &termios_p);
+ return 0;
+}
+
+static void term_restore(void)
+{
+ struct termios termios_p;
+
+ if (raw_count-- != 1)
+ return;
+
+ tcgetattr(STDIN_FILENO, &termios_p);
+ termios_p.c_lflag |= (ECHO|ICANON|ISIG|ECHOE|ECHOK|ECHONL);
+ termios_p.c_oflag |= (OPOST);
+ tcsetattr(STDIN_FILENO, TCSADRAIN, &termios_p);
+}
+
+int PMAPI PM_kbhit(void)
+{
+ int blocking, c;
+
+ if (term_raw() == -1)
+ return 0;
+
+ /* Go into non blocking mode */
+ blocking = fcntl(STDIN_FILENO, F_GETFL) | O_NONBLOCK;
+ fcntl(STDIN_FILENO, F_SETFL, blocking);
+ c = getc(stdin);
+
+ /* restore blocking mode */
+ fcntl(STDIN_FILENO, F_SETFL, blocking & ~O_NONBLOCK);
+ term_restore();
+ if (c != EOF) {
+ ungetc(c, stdin);
+ return c;
+ }
+ clearerr(stdin);
+ return 0;
+}
+
+int PMAPI PM_getch(void)
+{
+ int c;
+
+ if (term_raw() == -1)
+ return (0);
+ c = getc(stdin);
+#if defined(__QNX__) && !defined(__QNXNTO__)
+ if (c == 0xA)
+ c = 0x0D;
+ else if (c == 0x7F)
+ c = 0x08;
+#endif
+ term_restore();
+ return c;
+}
+
+PM_HWND PMAPI PM_openConsole(
+ PM_HWND hwndUser,
+ int device,
+ int xRes,
+ int yRes,
+ int bpp,
+ ibool fullScreen)
+{
+#ifndef __QNXNTO__
+ int fd;
+
+ if (console_count++)
+ return 0;
+ if ((fd = open("/dev/con1", O_RDWR)) == -1)
+ return -1;
+ cc = console_open(fd, O_RDWR);
+ close(fd);
+ if (cc == NULL)
+ return -1;
+#endif
+ return 1;
+}
+
+int PMAPI PM_getConsoleStateSize(void)
+{
+ return PM_getVGAStateSize() + sizeof(int) * 3;
+}
+
+void PMAPI PM_saveConsoleState(void *stateBuf,int console_id)
+{
+#ifdef __QNXNTO__
+ int fd;
+ int flags;
+
+ if ((fd = open("/dev/con1", O_RDWR)) == -1)
+ return;
+ flags = _CONCTL_INVISIBLE_CHG | _CONCTL_INVISIBLE;
+ devctl(fd, DCMD_CHR_SERCTL, &flags, sizeof flags, 0);
+ close(fd);
+#else
+ uchar *buf = &((uchar*)stateBuf)[PM_getVGAStateSize()];
+
+ /* Save QNX 4 console state */
+ console_read(cc, -1, 0, NULL, 0,
+ (int *)buf+1, (int *)buf+2, NULL);
+ *(int *)buf = console_ctrl(cc, -1,
+ CONSOLE_NORESIZE | CONSOLE_NOSWITCH | CONSOLE_INVISIBLE,
+ CONSOLE_NORESIZE | CONSOLE_NOSWITCH | CONSOLE_INVISIBLE);
+
+ /* Save state of VGA registers */
+ PM_saveVGAState(stateBuf);
+#endif
+}
+
+void PMAPI PM_setSuspendAppCallback(int (_ASMAPIP saveState)(int flags))
+{
+ /* TODO: Implement support for console switching if possible */
+}
+
+void PMAPI PM_restoreConsoleState(const void *stateBuf,PM_HWND hwndConsole)
+{
+#ifdef __QNXNTO__
+ int fd;
+ int flags;
+
+ if ((fd = open("/dev/con1", O_RDWR)) == -1)
+ return;
+ flags = _CONCTL_INVISIBLE_CHG;
+ devctl(fd, DCMD_CHR_SERCTL, &flags, sizeof flags, 0);
+ close(fd);
+#else
+ uchar *buf = &((uchar*)stateBuf)[PM_getVGAStateSize()];
+
+ /* Restore the state of the VGA compatible registers */
+ PM_restoreVGAState(stateBuf);
+
+ /* Restore QNX 4 console state */
+ console_ctrl(cc, -1, *(int *)buf,
+ CONSOLE_NORESIZE | CONSOLE_NOSWITCH | CONSOLE_INVISIBLE);
+ console_write(cc, -1, 0, NULL, 0,
+ (int *)buf+1, (int *)buf+2, NULL);
+#endif
+}
+
+void PMAPI PM_closeConsole(PM_HWND hwndConsole)
+{
+#ifndef __QNXNTO__
+ if (--console_count == 0) {
+ console_close(cc);
+ cc = NULL;
+ }
+#endif
+}
+
+void PM_setOSCursorLocation(int x,int y)
+{
+ if (!cc)
+ return;
+#ifndef __QNXNTO__
+ console_write(cc, -1, 0, NULL, 0, &y, &x, NULL);
+#endif
+}
+
+void PM_setOSScreenWidth(int width,int height)
+{
+}
+
+ibool PMAPI PM_setRealTimeClockHandler(PM_intHandler ih, int frequency)
+{
+ // TODO: Implement this for QNX
+ return false;
+}
+
+void PMAPI PM_setRealTimeClockFrequency(int frequency)
+{
+ // TODO: Implement this for QNX
+}
+
+void PMAPI PM_restoreRealTimeClockHandler(void)
+{
+ // TODO: Implement this for QNX
+}
+
+char * PMAPI PM_getCurrentPath(
+ char *path,
+ int maxLen)
+{
+ return getcwd(path,maxLen);
+}
+
+char PMAPI PM_getBootDrive(void)
+{ return '/'; }
+
+const char * PMAPI PM_getVBEAFPath(void)
+{ return PM_getNucleusConfigPath(); }
+
+const char * PMAPI PM_getNucleusPath(void)
+{
+ char *env = getenv("NUCLEUS_PATH");
+#ifdef __QNXNTO__
+#ifdef __X86__
+ return env ? env : "/nto/scitech/x86/bin";
+#elif defined (__PPC__)
+ return env ? env : "/nto/scitech/ppcbe/bin";
+#elif defined (__MIPS__)
+#ifdef __BIGENDIAN__
+ return env ? env : "/nto/scitech/mipsbe/bin";
+#else
+ return env ? env : "/nto/scitech/mipsle/bin";
+#endif
+#elif defined (__SH__)
+#ifdef __BIGENDIAN__
+ return env ? env : "/nto/scitech/shbe/bin";
+#else
+ return env ? env : "/nto/scitech/shle/bin";
+#endif
+#elif defined (__ARM__)
+ return env ? env : "/nto/scitech/armle/bin";
+#endif
+#else /* QNX 4 */
+ return env ? env : "/qnx4/scitech/bin";
+#endif
+}
+
+const char * PMAPI PM_getNucleusConfigPath(void)
+{
+ static char path[512];
+ char *env;
+#ifdef __QNXNTO__
+ char temp[64];
+ gethostname(temp, sizeof (temp));
+ temp[sizeof (temp) - 1] = '\0'; /* Paranoid */
+ sprintf(path,"/etc/config/scitech/%s/config", temp);
+#else
+ sprintf(path,"/etc/config/scitech/%d/config", getnid());
+#endif
+ if ((env = getenv("NUCLEUS_PATH")) != NULL) {
+ strcpy(path,env);
+ PM_backslash(path);
+ strcat(path,"config");
+ }
+ return path;
+}
+
+const char * PMAPI PM_getUniqueID(void)
+{
+ static char buf[128];
+#ifdef __QNXNTO__
+ gethostname(buf, sizeof (buf));
+#else
+ sprintf(buf,"node%d", getnid());
+#endif
+ return buf;
+}
+
+const char * PMAPI PM_getMachineName(void)
+{
+ static char buf[128];
+#ifdef __QNXNTO__
+ gethostname(buf, sizeof (buf));
+#else
+ sprintf(buf,"node%d", getnid());
+#endif
+ return buf;
+}
+
+void * PMAPI PM_getBIOSPointer(void)
+{
+ return PM_mapRealPointer(0, 0x400);
+}
+
+void * PMAPI PM_getA0000Pointer(void)
+{
+ static void *ptr = NULL;
+ void *freeptr;
+ unsigned offset, i, maplen;
+
+ if (ptr != NULL)
+ return ptr;
+
+ /* Some trickery is required to get the linear address 64K aligned */
+ for (i = 0; i < 5; i++) {
+ ptr = PM_mapPhysicalAddr(0xA0000,0xFFFF,true);
+ offset = 0x10000 - ((unsigned)ptr % 0x10000);
+ if (!offset)
+ break;
+ munmap(ptr, 0x10000);
+ maplen = 0x10000 + offset;
+ freeptr = PM_mapPhysicalAddr(0xA0000-offset, maplen-1,true);
+ ptr = (void *)(offset + (unsigned)freeptr);
+ if (0x10000 - ((unsigned)ptr % 0x10000))
+ break;
+ munmap(freeptr, maplen);
+ }
+ if (i == 5) {
+ printf("Could not get a 64K aligned linear address for A0000 region\n");
+ exit(1);
+ }
+ return ptr;
+}
+
+void * PMAPI PM_mapPhysicalAddr(ulong base,ulong limit,ibool isCached)
+{
+ uchar_t *p;
+ unsigned o;
+ unsigned prot = PROT_READ|PROT_WRITE|(isCached?0:PROT_NOCACHE);
+#ifdef __PAGESIZE
+ int pagesize = __PAGESIZE;
+#else
+ int pagesize = 4096;
+#endif
+ int rounddown = base % pagesize;
+#ifndef __QNXNTO__
+ static int __VidFD = -1;
+#endif
+
+ if (rounddown) {
+ if (base < rounddown)
+ return NULL;
+ base -= rounddown;
+ limit += rounddown;
+ }
+
+#ifndef __QNXNTO__
+ if (__VidFD < 0) {
+ if ((__VidFD = shm_open( "Physical", O_RDWR, 0777 )) == -1) {
+ perror( "Cannot open Physical memory" );
+ exit(1);
+ }
+ }
+ o = base & 0xFFF;
+ limit = (limit + o + 0xFFF) & ~0xFFF;
+ if ((int)(p = mmap( 0, limit, prot, MAP_SHARED,
+ __VidFD, base )) == -1 ) {
+ return NULL;
+ }
+ p += o;
+#else
+ if ((p = mmap(0, limit, prot, MAP_PHYS | MAP_SHARED,
+ NOFD, base)) == MAP_FAILED) {
+ return (void *)-1;
+ }
+#endif
+ return (p + rounddown);
+}
+
+void PMAPI PM_freePhysicalAddr(void *ptr,ulong limit)
+{
+ munmap(ptr,limit+1);
+}
+
+ulong PMAPI PM_getPhysicalAddr(void *p)
+{
+ // TODO: This function should find the physical address of a linear
+ // address.
+ return 0xFFFFFFFFUL;
+}
+
+ibool PMAPI PM_getPhysicalAddrRange(
+ void *p,
+ ulong length,
+ ulong *physAddress)
+{
+ // TODO: Implement this!
+ return false;
+}
+
+void PMAPI PM_sleep(ulong milliseconds)
+{
+ // TODO: Put the process to sleep for milliseconds
+}
+
+int PMAPI PM_getCOMPort(int port)
+{
+ // TODO: Re-code this to determine real values using the Plug and Play
+ // manager for the OS.
+ switch (port) {
+ case 0: return 0x3F8;
+ case 1: return 0x2F8;
+ }
+ return 0;
+}
+
+int PMAPI PM_getLPTPort(int port)
+{
+ // TODO: Re-code this to determine real values using the Plug and Play
+ // manager for the OS.
+ switch (port) {
+ case 0: return 0x3BC;
+ case 1: return 0x378;
+ case 2: return 0x278;
+ }
+ return 0;
+}
+
+void * PMAPI PM_mallocShared(long size)
+{
+ return PM_malloc(size);
+}
+
+void PMAPI PM_freeShared(void *ptr)
+{
+ PM_free(ptr);
+}
+
+void * PMAPI PM_mapToProcess(void *base,ulong limit)
+{ return (void*)base; }
+
+void * PMAPI PM_mapRealPointer(uint r_seg,uint r_off)
+{
+ void *p;
+
+ PM_init();
+
+ if ((p = VBIOSgetmemptr(r_seg, r_off, VRegs)) == (void *)-1)
+ return NULL;
+ return p;
+}
+
+void * PMAPI PM_allocRealSeg(uint size,uint *r_seg,uint *r_off)
+{
+ if (size > 1024) {
+ printf("PM_allocRealSeg: can't handle %d bytes\n", size);
+ return 0;
+ }
+ if (rmbuf_inuse != 0) {
+ printf("PM_allocRealSeg: transfer area already in use\n");
+ return 0;
+ }
+ PM_init();
+ rmbuf_inuse = 1;
+ *r_seg = VBIOS_TransBufVSeg(VRegs);
+ *r_off = VBIOS_TransBufVOff(VRegs);
+ return (void*)VBIOS_TransBufPtr(VRegs);
+}
+
+void PMAPI PM_freeRealSeg(void *mem)
+{
+ if (rmbuf_inuse == 0) {
+ printf("PM_freeRealSeg: nothing was allocated\n");
+ return;
+ }
+ rmbuf_inuse = 0;
+}
+
+void PMAPI DPMI_int86(int intno, DPMI_regs *regs)
+{
+ PM_init();
+ if (VRegs == NULL)
+ return;
+
+ VRegs->l.eax = regs->eax;
+ VRegs->l.ebx = regs->ebx;
+ VRegs->l.ecx = regs->ecx;
+ VRegs->l.edx = regs->edx;
+ VRegs->l.esi = regs->esi;
+ VRegs->l.edi = regs->edi;
+
+ VBIOSint(intno, VRegs, 1024);
+
+ regs->eax = VRegs->l.eax;
+ regs->ebx = VRegs->l.ebx;
+ regs->ecx = VRegs->l.ecx;
+ regs->edx = VRegs->l.edx;
+ regs->esi = VRegs->l.esi;
+ regs->edi = VRegs->l.edi;
+ regs->flags = VRegs->w.flags & 0x1;
+}
+
+int PMAPI PM_int86(int intno, RMREGS *in, RMREGS *out)
+{
+ PM_init();
+ if (VRegs == NULL)
+ return 0;
+
+ VRegs->l.eax = in->e.eax;
+ VRegs->l.ebx = in->e.ebx;
+ VRegs->l.ecx = in->e.ecx;
+ VRegs->l.edx = in->e.edx;
+ VRegs->l.esi = in->e.esi;
+ VRegs->l.edi = in->e.edi;
+
+ VBIOSint(intno, VRegs, 1024);
+
+ out->e.eax = VRegs->l.eax;
+ out->e.ebx = VRegs->l.ebx;
+ out->e.ecx = VRegs->l.ecx;
+ out->e.edx = VRegs->l.edx;
+ out->e.esi = VRegs->l.esi;
+ out->e.edi = VRegs->l.edi;
+ out->x.cflag = VRegs->w.flags & 0x1;
+
+ return out->x.ax;
+}
+
+int PMAPI PM_int86x(int intno, RMREGS *in, RMREGS *out,
+ RMSREGS *sregs)
+{
+ PM_init();
+ if (VRegs == NULL)
+ return 0;
+
+ if (intno == 0x21) {
+ time_t today = time(NULL);
+ struct tm *t;
+ t = localtime(&today);
+ out->x.cx = t->tm_year + 1900;
+ out->h.dh = t->tm_mon + 1;
+ out->h.dl = t->tm_mday;
+ return 0;
+ }
+ else {
+ VRegs->l.eax = in->e.eax;
+ VRegs->l.ebx = in->e.ebx;
+ VRegs->l.ecx = in->e.ecx;
+ VRegs->l.edx = in->e.edx;
+ VRegs->l.esi = in->e.esi;
+ VRegs->l.edi = in->e.edi;
+ VRegs->w.es = sregs->es;
+ VRegs->w.ds = sregs->ds;
+
+ VBIOSint(intno, VRegs, 1024);
+
+ out->e.eax = VRegs->l.eax;
+ out->e.ebx = VRegs->l.ebx;
+ out->e.ecx = VRegs->l.ecx;
+ out->e.edx = VRegs->l.edx;
+ out->e.esi = VRegs->l.esi;
+ out->e.edi = VRegs->l.edi;
+ out->x.cflag = VRegs->w.flags & 0x1;
+ sregs->es = VRegs->w.es;
+ sregs->ds = VRegs->w.ds;
+
+ return out->x.ax;
+ }
+}
+
+void PMAPI PM_callRealMode(uint seg,uint off, RMREGS *in,
+ RMSREGS *sregs)
+{
+ PM_init();
+ if (VRegs == NULL)
+ return;
+
+ VRegs->l.eax = in->e.eax;
+ VRegs->l.ebx = in->e.ebx;
+ VRegs->l.ecx = in->e.ecx;
+ VRegs->l.edx = in->e.edx;
+ VRegs->l.esi = in->e.esi;
+ VRegs->l.edi = in->e.edi;
+ VRegs->w.es = sregs->es;
+ VRegs->w.ds = sregs->ds;
+
+ VBIOScall(seg, off, VRegs, 1024);
+
+ in->e.eax = VRegs->l.eax;
+ in->e.ebx = VRegs->l.ebx;
+ in->e.ecx = VRegs->l.ecx;
+ in->e.edx = VRegs->l.edx;
+ in->e.esi = VRegs->l.esi;
+ in->e.edi = VRegs->l.edi;
+ in->x.cflag = VRegs->w.flags & 0x1;
+ sregs->es = VRegs->w.es;
+ sregs->ds = VRegs->w.ds;
+}
+
+void PMAPI PM_availableMemory(ulong *physical,ulong *total)
+{
+#ifndef __QNXNTO__
+ *physical = *total = _memavl();
+#endif
+}
+
+void * PMAPI PM_allocLockedMem(
+ uint size,
+ ulong *physAddr,
+ ibool contiguous,
+ ibool below16M)
+{
+ // TODO: Implement this on QNX
+ return NULL;
+}
+
+void PMAPI PM_freeLockedMem(
+ void *p,
+ uint size,
+ ibool contiguous)
+{
+ // TODO: Implement this on QNX
+}
+
+void * PMAPI PM_allocPage(
+ ibool locked)
+{
+ // TODO: Implement this on QNX
+ return NULL;
+}
+
+void PMAPI PM_freePage(
+ void *p)
+{
+ // TODO: Implement this on QNX
+}
+
+void PMAPI PM_setBankA(int bank)
+{
+ PM_init();
+ if (VRegs == NULL)
+ return;
+
+ VRegs->l.eax = 0x4F05;
+ VRegs->l.ebx = 0x0000;
+ VRegs->l.edx = bank;
+ VBIOSint(0x10, VRegs, 1024);
+}
+
+void PMAPI PM_setBankAB(int bank)
+{
+ PM_init();
+ if (VRegs == NULL)
+ return;
+
+ VRegs->l.eax = 0x4F05;
+ VRegs->l.ebx = 0x0000;
+ VRegs->l.edx = bank;
+ VBIOSint(0x10, VRegs, 1024);
+
+ VRegs->l.eax = 0x4F05;
+ VRegs->l.ebx = 0x0001;
+ VRegs->l.edx = bank;
+ VBIOSint(0x10, VRegs, 1024);
+}
+
+void PMAPI PM_setCRTStart(int x,int y,int waitVRT)
+{
+ PM_init();
+ if (VRegs == NULL)
+ return;
+
+ VRegs->l.eax = 0x4F07;
+ VRegs->l.ebx = waitVRT;
+ VRegs->l.ecx = x;
+ VRegs->l.edx = y;
+ VBIOSint(0x10, VRegs, 1024);
+}
+
+ibool PMAPI PM_doBIOSPOST(
+ ushort axVal,
+ ulong BIOSPhysAddr,
+ void *copyOfBIOS,
+ ulong BIOSLen)
+{
+ (void)axVal;
+ (void)BIOSPhysAddr;
+ (void)copyOfBIOS;
+ (void)BIOSLen;
+ return false;
+}
+
+int PMAPI PM_lockDataPages(void *p,uint len,PM_lockHandle *lh)
+{
+ p = p; len = len;
+ return 1;
+}
+
+int PMAPI PM_unlockDataPages(void *p,uint len,PM_lockHandle *lh)
+{
+ p = p; len = len;
+ return 1;
+}
+
+int PMAPI PM_lockCodePages(void (*p)(),uint len,PM_lockHandle *lh)
+{
+ p = p; len = len;
+ return 1;
+}
+
+int PMAPI PM_unlockCodePages(void (*p)(),uint len,PM_lockHandle *lh)
+{
+ p = p; len = len;
+ return 1;
+}
+
+PM_MODULE PMAPI PM_loadLibrary(
+ const char *szDLLName)
+{
+ // TODO: Implement this to load shared libraries!
+ (void)szDLLName;
+ return NULL;
+}
+
+void * PMAPI PM_getProcAddress(
+ PM_MODULE hModule,
+ const char *szProcName)
+{
+ // TODO: Implement this!
+ (void)hModule;
+ (void)szProcName;
+ return NULL;
+}
+
+void PMAPI PM_freeLibrary(
+ PM_MODULE hModule)
+{
+ // TODO: Implement this!
+ (void)hModule;
+}
+
+int PMAPI PM_setIOPL(
+ int level)
+{
+ // QNX handles IOPL selection at the program link level.
+ return level;
+}
+
+/****************************************************************************
+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 PMAPI PM_enableWriteCombine(
+ ulong base,
+ ulong size,
+ uint type)
+{
+#ifndef __QNXNTO__
+ return MTRR_enableWriteCombine(base,size,type);
+#else
+ return PM_MTRR_NOT_SUPPORTED;
+#endif
+}
diff --git a/board/MAI/bios_emulator/scitech/src/pm/qnx/vflat.c b/board/MAI/bios_emulator/scitech/src/pm/qnx/vflat.c
new file mode 100644
index 0000000000..579ef2c95c
--- /dev/null
+++ b/board/MAI/bios_emulator/scitech/src/pm/qnx/vflat.c
@@ -0,0 +1,49 @@
+/****************************************************************************
+*
+* 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: Dummy module; no virtual framebuffer for this OS
+*
+****************************************************************************/
+
+#include "pmapi.h"
+
+ibool PMAPI VF_available(void)
+{
+ return false;
+}
+
+void * PMAPI VF_init(ulong baseAddr,int bankSize,int codeLen,void *bankFunc)
+{
+ baseAddr = baseAddr;
+ bankSize = bankSize;
+ codeLen = codeLen;
+ bankFunc = bankFunc;
+ return NULL;
+}
+
+void PMAPI VF_exit(void)
+{
+}
diff --git a/board/MAI/bios_emulator/scitech/src/pm/qnx/ztimer.c b/board/MAI/bios_emulator/scitech/src/pm/qnx/ztimer.c
new file mode 100644
index 0000000000..d2740971f9
--- /dev/null
+++ b/board/MAI/bios_emulator/scitech/src/pm/qnx/ztimer.c
@@ -0,0 +1,91 @@
+/****************************************************************************
+*
+* Ultra Long Period Timer
+*
+* ========================================================================
+*
+* 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: QNX
+*
+* Description: QNX specific implementation for the Zen Timer functions.
+*
+****************************************************************************/
+
+/*----------------------------- Implementation ----------------------------*/
+
+/****************************************************************************
+REMARKS:
+Initialise the Zen Timer module internals.
+****************************************************************************/
+void __ZTimerInit(void)
+{
+}
+
+/****************************************************************************
+REMARKS:
+Use the gettimeofday() function to get microsecond precision (probably less
+though)
+****************************************************************************/
+static ulong __ULZReadTime(void)
+{
+ struct timespec ts;
+ clock_gettime(CLOCK_REALTIME, &ts);
+ return (ts.tv_nsec / 1000 + ts.tv_sec * 1000000);
+}
+
+/****************************************************************************
+REMARKS:
+Start the Zen Timer counting.
+****************************************************************************/
+#define __LZTimerOn(tm) tm->start.low = __ULZReadTime()
+
+/****************************************************************************
+REMARKS:
+Compute the lap time since the timer was started.
+****************************************************************************/
+#define __LZTimerLap(tm) (__ULZReadTime() - tm->start.low)
+
+/****************************************************************************
+REMARKS:
+Call the assembler Zen Timer functions to do the timing.
+****************************************************************************/
+#define __LZTimerOff(tm) tm->end.low = __ULZReadTime()
+
+/****************************************************************************
+REMARKS:
+Call the assembler Zen Timer functions to do the timing.
+****************************************************************************/
+#define __LZTimerCount(tm) (tm->end.low - tm->start.low)
+
+/****************************************************************************
+REMARKS:
+Define the resolution of the long period timer as microseconds per timer tick.
+****************************************************************************/
+#define ULZTIMER_RESOLUTION 1
+
+/****************************************************************************
+REMARKS:
+Compute the elapsed time from the BIOS timer tick. Note that we check to see
+whether a midnight boundary has passed, and if so adjust the finish time to
+account for this. We cannot detect if more that one midnight boundary has
+passed, so if this happens we will be generating erronous results.
+****************************************************************************/
+ulong __ULZElapsedTime(ulong start,ulong finish)
+{ return finish - start; }
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