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diff --git a/board/MAI/bios_emulator/scitech/src/biosemu/warmboot.c b/board/MAI/bios_emulator/scitech/src/biosemu/warmboot.c
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--- a/board/MAI/bios_emulator/scitech/src/biosemu/warmboot.c
+++ /dev/null
@@ -1,569 +0,0 @@
-/****************************************************************************
-*
-* BIOS emulator and interface
-* to Realmode X86 Emulator Library
-*
-* Copyright (C) 1996-1999 SciTech Software, Inc.
-*
-* ========================================================================
-*
-* Permission to use, copy, modify, distribute, and sell this software and
-* its documentation for any purpose is hereby granted without fee,
-* provided that the above copyright notice appear in all copies and that
-* both that copyright notice and this permission notice appear in
-* supporting documentation, and that the name of the authors not be used
-* in advertising or publicity pertaining to distribution of the software
-* without specific, written prior permission. The authors makes no
-* representations about the suitability of this software for any purpose.
-* It is provided "as is" without express or implied warranty.
-*
-* THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
-* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
-* EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
-* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
-* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
-* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
-* PERFORMANCE OF THIS SOFTWARE.
-*
-* ========================================================================
-*
-* Language: ANSI C
-* Environment: Any
-* Developer: Kendall Bennett
-*
-* Description: Module to implement warm booting of all PCI/AGP controllers
-* on the bus. We use the x86 real mode emulator to run the
-* BIOS on the primary and secondary controllers to bring
-* the cards up.
-*
-****************************************************************************/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdarg.h>
-#include "biosemu.h"
-#ifndef _MAX_PATH
-#define _MAX_PATH 256
-#endif
-
-/*------------------------- Global Variables ------------------------------*/
-
-static PCIDeviceInfo PCI[MAX_PCI_DEVICES];
-static int NumPCI = -1;
-static int BridgeIndex[MAX_PCI_DEVICES] = {0};
-static int NumBridges;
-static PCIBridgeInfo *AGPBridge = NULL;
-static int DeviceIndex[MAX_PCI_DEVICES] = {0};
-static int NumDevices;
-static u32 debugFlags = 0;
-static BE_VGAInfo VGAInfo[MAX_PCI_DEVICES] = {{0}};
-static ibool useV86 = false;
-static ibool forcePost = false;
-
-/* Length of the BIOS image */
-
-#define MAX_BIOSLEN (64 * 1024L)
-#define FINAL_BIOSLEN (32 * 1024L)
-
-/* Macro to determine if the VGA is enabled and responding */
-
-#define VGA_NOT_ACTIVE() (forcePost || (PM_inpb(0x3CC) == 0xFF) || ((PM_inpb(0x3CC) & 0x2) == 0))
-
-#define ENABLE_DEVICE(device) \
- PCI_writePCIRegB(0x4,PCI[DeviceIndex[device]].Command | 0x7,device)
-
-#define DISABLE_DEVICE(device) \
- PCI_writePCIRegB(0x4,0,device)
-
-/* Macros to enable and disable AGP VGA resources */
-
-#define ENABLE_AGP_VGA() \
- PCI_accessReg(0x3E,AGPBridge->BridgeControl | 0x8,PCI_WRITE_WORD,(PCIDeviceInfo*)AGPBridge)
-
-#define DISABLE_AGP_VGA() \
- PCI_accessReg(0x3E,AGPBridge->BridgeControl & ~0x8,PCI_WRITE_WORD,(PCIDeviceInfo*)AGPBridge)
-
-#define RESTORE_AGP_VGA() \
- PCI_accessReg(0x3E,AGPBridge->BridgeControl,PCI_WRITE_WORD,(PCIDeviceInfo*)AGPBridge)
-
-/*-------------------------- Implementation -------------------------------*/
-
-/****************************************************************************
-RETURNS:
-The address to use to map the secondary BIOS (PCI/AGP devices)
-
-REMARKS:
-Searches all the PCI base address registers for the device looking for a
-memory mapping that is large enough to hold our ROM BIOS. We usually end up
-finding the framebuffer mapping (usually BAR 0x10), and we use this mapping
-to map the BIOS for the device into. We use a mapping that is already
-assigned to the device to ensure the memory range will be passed through
-by any PCI->PCI or AGP->PCI bridge that may be present.
-
-NOTE: Usually this function is only used for AGP devices, but it may be
- used for PCI devices that have already been POST'ed and the BIOS
- ROM base address has been zero'ed out.
-****************************************************************************/
-static ulong PCI_findBIOSAddr(
- int device)
-{
- ulong base,size;
- int bar;
-
- for (bar = 0x10; bar <= 0x14; bar++) {
- base = PCI_readPCIRegL(bar,device) & ~0xFF;
- if (!(base & 0x1)) {
- PCI_writePCIRegL(bar,0xFFFFFFFF,device);
- size = PCI_readPCIRegL(bar,device) & ~0xFF;
- size = ~size+1;
- PCI_writePCIRegL(bar,0,device);
- if (size >= MAX_BIOSLEN)
- return base;
- }
- }
- return 0;
-}
-
-/****************************************************************************
-REMARKS:
-Re-writes the PCI base address registers for the secondary PCI controller
-with the values from our initial PCI bus enumeration. This fixes up the
-values after we have POST'ed the secondary display controller BIOS, which
-may have incorrectly re-programmed the base registers the same as the
-primary display controller (the case for identical S3 cards).
-****************************************************************************/
-static void _PCI_fixupSecondaryBARs(void)
-{
- int i;
-
- for (i = 0; i < NumDevices; i++) {
- PCI_writePCIRegL(0x10,PCI[DeviceIndex[i]].BaseAddress10,i);
- PCI_writePCIRegL(0x14,PCI[DeviceIndex[i]].BaseAddress14,i);
- PCI_writePCIRegL(0x18,PCI[DeviceIndex[i]].BaseAddress18,i);
- PCI_writePCIRegL(0x1C,PCI[DeviceIndex[i]].BaseAddress1C,i);
- PCI_writePCIRegL(0x20,PCI[DeviceIndex[i]].BaseAddress20,i);
- PCI_writePCIRegL(0x24,PCI[DeviceIndex[i]].BaseAddress24,i);
- }
-}
-
-/****************************************************************************
-RETURNS:
-True if successfully initialised, false if not.
-
-REMARKS:
-This function executes the BIOS POST code on the controller. We assume that
-at this stage the controller has its I/O and memory space enabled and
-that all other controllers are in a disabled state.
-****************************************************************************/
-static void PCI_doBIOSPOST(
- int device,
- ulong BIOSPhysAddr,
- void *mappedBIOS,
- ulong BIOSLen)
-{
- RMREGS regs;
- RMSREGS sregs;
-
- /* Determine the value to store in AX for BIOS POST */
- regs.x.ax = (u16)(PCI[DeviceIndex[device]].slot.i >> 8);
- if (useV86) {
- /* Post the BIOS using the PM functions (ie: v86 mode on Linux) */
- if (!PM_doBIOSPOST(regs.x.ax,BIOSPhysAddr,mappedBIOS,BIOSLen)) {
- /* If the PM function fails, this probably means are we are on */
- /* DOS and can't re-map the real mode 0xC0000 region. In thise */
- /* case if the device is the primary, we can use the real */
- /* BIOS at 0xC0000 directly. */
- if (device == 0)
- PM_doBIOSPOST(regs.x.ax,0xC0000,mappedBIOS,BIOSLen);
- }
- }
- else {
- /* Setup the X86 emulator for the VGA BIOS */
- BE_setVGA(&VGAInfo[device]);
-
- /* Execute the BIOS POST code */
- BE_callRealMode(0xC000,0x0003,&regs,&sregs);
-
- /* Cleanup and exit */
- BE_getVGA(&VGAInfo[device]);
- }
-}
-
-/****************************************************************************
-RETURNS:
-True if successfully initialised, false if not.
-
-REMARKS:
-Loads and POST's the secondary controllers BIOS, directly from the BIOS
-image we can extract over the PCI bus.
-****************************************************************************/
-static ibool PCI_postControllers(void)
-{
- int device;
- ulong BIOSImageLen,mappedBIOSPhys;
- uchar *mappedBIOS,*copyOfBIOS;
- char filename[_MAX_PATH];
- FILE *f;
-
- /* Disable the primary display controller and AGP VGA pass-through */
- DISABLE_DEVICE(0);
- if (AGPBridge)
- DISABLE_AGP_VGA();
-
- /* Now POST all the secondary controllers */
- for (device = 0; device < NumDevices; device++) {
- /* Skip the device if it is not enabled (probably an ISA device) */
- if (DeviceIndex[device] == -1)
- continue;
-
- /* Enable secondary display controller. If the secondary controller */
- /* is on the AGP bus, then enable VGA resources for the AGP device. */
- ENABLE_DEVICE(device);
- if (AGPBridge && AGPBridge->SecondayBusNumber == PCI[DeviceIndex[device]].slot.p.Bus)
- ENABLE_AGP_VGA();
-
- /* Check if the controller has already been POST'ed */
- if (VGA_NOT_ACTIVE()) {
- /* Find a viable place to map the secondary PCI BIOS image and map it */
- printk("Device %d not enabled, so attempting warm boot it\n", device);
-
- /* For AGP devices (and PCI devices that do have the ROM base */
- /* address zero'ed out) we have to map the BIOS to a location */
- /* that is passed by the AGP bridge to the bus. Some AGP devices */
- /* have the ROM base address already set up for us, and some */
- /* do not (we map to one of the existing BAR locations in */
- /* this case). */
- mappedBIOS = NULL;
- if (PCI[DeviceIndex[device]].ROMBaseAddress != 0)
- mappedBIOSPhys = PCI[DeviceIndex[device]].ROMBaseAddress & ~0xF;
- else
- mappedBIOSPhys = PCI_findBIOSAddr(device);
- printk("Mapping BIOS image to 0x%08X\n", mappedBIOSPhys);
- mappedBIOS = PM_mapPhysicalAddr(mappedBIOSPhys,MAX_BIOSLEN-1,false);
- PCI_writePCIRegL(0x30,mappedBIOSPhys | 0x1,device);
- BIOSImageLen = mappedBIOS[2] * 512;
- if ((copyOfBIOS = malloc(BIOSImageLen)) == NULL)
- return false;
- memcpy(copyOfBIOS,mappedBIOS,BIOSImageLen);
- PM_freePhysicalAddr(mappedBIOS,MAX_BIOSLEN-1);
-
- /* Allocate memory to store copy of BIOS from secondary controllers */
- VGAInfo[device].pciInfo = &PCI[DeviceIndex[device]];
- VGAInfo[device].BIOSImage = copyOfBIOS;
- VGAInfo[device].BIOSImageLen = BIOSImageLen;
-
- /* Restore device mappings */
- PCI_writePCIRegL(0x30,PCI[DeviceIndex[device]].ROMBaseAddress,device);
- PCI_writePCIRegL(0x10,PCI[DeviceIndex[device]].BaseAddress10,device);
- PCI_writePCIRegL(0x14,PCI[DeviceIndex[device]].BaseAddress14,device);
-
- /* Now execute the BIOS POST for the device */
- if (copyOfBIOS[0] == 0x55 && copyOfBIOS[1] == 0xAA) {
- printk("Executing BIOS POST for controller.\n");
- PCI_doBIOSPOST(device,mappedBIOSPhys,copyOfBIOS,BIOSImageLen);
- }
-
- /* Reset the size of the BIOS image to the final size */
- VGAInfo[device].BIOSImageLen = FINAL_BIOSLEN;
-
- /* Save the BIOS and interrupt vector information to disk */
- sprintf(filename,"%s/bios.%02d",PM_getNucleusConfigPath(),device);
- if ((f = fopen(filename,"wb")) != NULL) {
- fwrite(copyOfBIOS,1,FINAL_BIOSLEN,f);
- fwrite(VGAInfo[device].LowMem,1,sizeof(VGAInfo[device].LowMem),f);
- fclose(f);
- }
- }
- else {
- /* Allocate memory to store copy of BIOS from secondary controllers */
- if ((copyOfBIOS = malloc(FINAL_BIOSLEN)) == NULL)
- return false;
- VGAInfo[device].pciInfo = &PCI[DeviceIndex[device]];
- VGAInfo[device].BIOSImage = copyOfBIOS;
- VGAInfo[device].BIOSImageLen = FINAL_BIOSLEN;
-
- /* Load the BIOS and interrupt vector information from disk */
- sprintf(filename,"%s/bios.%02d",PM_getNucleusConfigPath(),device);
- if ((f = fopen(filename,"rb")) != NULL) {
- fread(copyOfBIOS,1,FINAL_BIOSLEN,f);
- fread(VGAInfo[device].LowMem,1,sizeof(VGAInfo[device].LowMem),f);
- fclose(f);
- }
- }
-
- /* Fix up all the secondary PCI base address registers */
- /* (restores them all from the values we read previously) */
- _PCI_fixupSecondaryBARs();
-
- /* Disable the secondary controller and AGP VGA pass-through */
- DISABLE_DEVICE(device);
- if (AGPBridge)
- DISABLE_AGP_VGA();
- }
-
- /* Reenable primary display controller and reset AGP bridge control */
- if (AGPBridge)
- RESTORE_AGP_VGA();
- ENABLE_DEVICE(0);
-
- /* Free physical BIOS image mapping */
- PM_freePhysicalAddr(mappedBIOS,MAX_BIOSLEN-1);
-
- /* Restore the X86 emulator BIOS info to primary controller */
- if (!useV86)
- BE_setVGA(&VGAInfo[0]);
- return true;
-}
-
-/****************************************************************************
-REMARKS:
-Enumerates the PCI bus and dumps the PCI configuration information to the
-log file.
-****************************************************************************/
-static void EnumeratePCI(void)
-{
- int i,index;
- PCIBridgeInfo *info;
-
- printk("Displaying enumeration of PCI bus (%d devices, %d display devices)\n",
- NumPCI, NumDevices);
- for (index = 0; index < NumDevices; index++)
- printk(" Display device %d is PCI device %d\n",index,DeviceIndex[index]);
- printk("\n");
- printk("Bus Slot Fnc DeviceID SubSystem Rev Class IRQ Int Cmd\n");
- for (i = 0; i < NumPCI; i++) {
- printk("%2d %2d %2d %04X:%04X %04X:%04X %02X %02X:%02X %02X %02X %04X ",
- PCI[i].slot.p.Bus,
- PCI[i].slot.p.Device,
- PCI[i].slot.p.Function,
- PCI[i].VendorID,
- PCI[i].DeviceID,
- PCI[i].SubSystemVendorID,
- PCI[i].SubSystemID,
- PCI[i].RevID,
- PCI[i].BaseClass,
- PCI[i].SubClass,
- PCI[i].InterruptLine,
- PCI[i].InterruptPin,
- PCI[i].Command);
- for (index = 0; index < NumDevices; index++) {
- if (DeviceIndex[index] == i)
- break;
- }
- if (index < NumDevices)
- printk("<- %d\n", index);
- else
- printk("\n");
- }
- printk("\n");
- printk("DeviceID Stat Ifc Cch Lat Hdr BIST\n");
- for (i = 0; i < NumPCI; i++) {
- printk("%04X:%04X %04X %02X %02X %02X %02X %02X ",
- PCI[i].VendorID,
- PCI[i].DeviceID,
- PCI[i].Status,
- PCI[i].Interface,
- PCI[i].CacheLineSize,
- PCI[i].LatencyTimer,
- PCI[i].HeaderType,
- PCI[i].BIST);
- for (index = 0; index < NumDevices; index++) {
- if (DeviceIndex[index] == i)
- break;
- }
- if (index < NumDevices)
- printk("<- %d\n", index);
- else
- printk("\n");
- }
- printk("\n");
- printk("DeviceID Base10h Base14h Base18h Base1Ch Base20h Base24h ROMBase\n");
- for (i = 0; i < NumPCI; i++) {
- printk("%04X:%04X %08X %08X %08X %08X %08X %08X %08X ",
- PCI[i].VendorID,
- PCI[i].DeviceID,
- PCI[i].BaseAddress10,
- PCI[i].BaseAddress14,
- PCI[i].BaseAddress18,
- PCI[i].BaseAddress1C,
- PCI[i].BaseAddress20,
- PCI[i].BaseAddress24,
- PCI[i].ROMBaseAddress);
- for (index = 0; index < NumDevices; index++) {
- if (DeviceIndex[index] == i)
- break;
- }
- if (index < NumDevices)
- printk("<- %d\n", index);
- else
- printk("\n");
- }
- printk("\n");
- printk("DeviceID BAR10Len BAR14Len BAR18Len BAR1CLen BAR20Len BAR24Len ROMLen\n");
- for (i = 0; i < NumPCI; i++) {
- printk("%04X:%04X %08X %08X %08X %08X %08X %08X %08X ",
- PCI[i].VendorID,
- PCI[i].DeviceID,
- PCI[i].BaseAddress10Len,
- PCI[i].BaseAddress14Len,
- PCI[i].BaseAddress18Len,
- PCI[i].BaseAddress1CLen,
- PCI[i].BaseAddress20Len,
- PCI[i].BaseAddress24Len,
- PCI[i].ROMBaseAddressLen);
- for (index = 0; index < NumDevices; index++) {
- if (DeviceIndex[index] == i)
- break;
- }
- if (index < NumDevices)
- printk("<- %d\n", index);
- else
- printk("\n");
- }
- printk("\n");
- printk("Displaying enumeration of %d bridge devices\n",NumBridges);
- printk("\n");
- printk("DeviceID P# S# B# IOB IOL MemBase MemLimit PreBase PreLimit Ctrl\n");
- for (i = 0; i < NumBridges; i++) {
- info = (PCIBridgeInfo*)&PCI[BridgeIndex[i]];
- printk("%04X:%04X %02X %02X %02X %04X %04X %08X %08X %08X %08X %04X\n",
- info->VendorID,
- info->DeviceID,
- info->PrimaryBusNumber,
- info->SecondayBusNumber,
- info->SubordinateBusNumber,
- ((u16)info->IOBase << 8) & 0xF000,
- info->IOLimit ?
- ((u16)info->IOLimit << 8) | 0xFFF : 0,
- ((u32)info->MemoryBase << 16) & 0xFFF00000,
- info->MemoryLimit ?
- ((u32)info->MemoryLimit << 16) | 0xFFFFF : 0,
- ((u32)info->PrefetchableMemoryBase << 16) & 0xFFF00000,
- info->PrefetchableMemoryLimit ?
- ((u32)info->PrefetchableMemoryLimit << 16) | 0xFFFFF : 0,
- info->BridgeControl);
- }
- printk("\n");
-}
-
-/****************************************************************************
-RETURNS:
-Number of display devices found.
-
-REMARKS:
-This function enumerates the number of available display devices on the
-PCI bus, and returns the number found.
-****************************************************************************/
-static int PCI_enumerateDevices(void)
-{
- int i,j;
- PCIBridgeInfo *info;
-
- /* If this is the first time we have been called, enumerate all */
- /* devices on the PCI bus. */
- if (NumPCI == -1) {
- for (i = 0; i < MAX_PCI_DEVICES; i++)
- PCI[i].dwSize = sizeof(PCI[i]);
- if ((NumPCI = PCI_enumerate(PCI,MAX_PCI_DEVICES)) == 0)
- return -1;
-
- /* Build a list of all PCI bridge devices */
- for (i = 0,NumBridges = 0,BridgeIndex[0] = -1; i < NumPCI; i++) {
- if (PCI[i].BaseClass == PCI_BRIDGE_CLASS) {
- if (NumBridges < MAX_PCI_DEVICES)
- BridgeIndex[NumBridges++] = i;
- }
- }
-
- /* Now build a list of all display class devices */
- for (i = 0,NumDevices = 1,DeviceIndex[0] = -1; i < NumPCI; i++) {
- if (PCI_IS_DISPLAY_CLASS(&PCI[i])) {
- if ((PCI[i].Command & 0x3) == 0x3) {
- DeviceIndex[0] = i;
- }
- else {
- if (NumDevices < MAX_PCI_DEVICES)
- DeviceIndex[NumDevices++] = i;
- }
- if (PCI[i].slot.p.Bus != 0) {
- /* This device is on a different bus than the primary */
- /* PCI bus, so it is probably an AGP device. Find the */
- /* AGP bus device that controls that bus so we can */
- /* control it. */
- for (j = 0; j < NumBridges; j++) {
- info = (PCIBridgeInfo*)&PCI[BridgeIndex[j]];
- if (info->SecondayBusNumber == PCI[i].slot.p.Bus) {
- AGPBridge = info;
- break;
- }
- }
- }
- }
- }
-
- /* Enumerate all PCI and bridge devices to log file */
- EnumeratePCI();
- }
- return NumDevices;
-}
-
-FILE *logfile;
-
-void printk(const char *fmt, ...)
-{
- va_list argptr;
- va_start(argptr, fmt);
- vfprintf(logfile, fmt, argptr);
- fflush(logfile);
- va_end(argptr);
-}
-
-int main(int argc,char *argv[])
-{
- while (argc > 1) {
- if (stricmp(argv[1],"-usev86") == 0) {
- useV86 = true;
- }
- else if (stricmp(argv[1],"-force") == 0) {
- forcePost = true;
- }
-#ifdef DEBUG
- else if (stricmp(argv[1],"-decode") == 0) {
- debugFlags |= DEBUG_DECODE_F;
- }
- else if (stricmp(argv[1],"-iotrace") == 0) {
- debugFlags |= DEBUG_IO_TRACE_F;
- }
-#endif
- else {
- printf("Usage: warmboot [-usev86] [-force] [-decode] [-iotrace]\n");
- exit(-1);
- }
- argc--;
- argv++;
- }
- if ((logfile = fopen("warmboot.log","w")) == NULL)
- exit(1);
-
- PM_init();
- if (!useV86) {
- /* Initialise the x86 BIOS emulator */
- BE_init(false,debugFlags,65536,&VGAInfo[0]);
- }
-
- /* Enumerate all devices (which POST's them at the same time) */
- if (PCI_enumerateDevices() < 1) {
- printk("No PCI display devices found!\n");
- return -1;
- }
-
- /* Post all the display controller BIOS'es */
- PCI_postControllers();
-
- /* Cleanup and exit the emulator */
- if (!useV86)
- BE_exit();
- fclose(logfile);
- return 0;
-}
generated by cgit (git 2.34.1) at 2025-01-11 16:15:01 +0000