diff options
Diffstat (limited to 'util/vgabios/int1a.c')
| -rw-r--r-- | util/vgabios/int1a.c | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/util/vgabios/int1a.c b/util/vgabios/int1a.c deleted file mode 100644 index 9fcff8af43ef..000000000000 --- a/util/vgabios/int1a.c +++ /dev/null @@ -1,171 +0,0 @@ -#include <stdio.h> -#include <stdtypes.h> -#include "testbios.h" -#include "pci-userspace.h" - -#define DEBUG_INT1A - -#define SUCCESSFUL 0x00 -#define DEVICE_NOT_FOUND 0x86 -#define BAD_REGISTER_NUMBER 0x87 - -extern int verbose; - -int int1A_handler(void) -{ - PCITAG tag = NULL; - pciVideoPtr pvp = NULL; - - if (verbose) { - printf("\nint1a encountered.\n"); - //x86emu_dump_xregs(); - } - - switch (X86_AX) { - case 0xb101: - X86_EAX = 0x00; /* no config space/special cycle support */ - X86_AL = 0x01; /* config mechanism 1 */ - X86_EDX = 0x20494350; /* " ICP" */ - X86_EBX = 0x0210; /* Version 2.10 */ - X86_ECX &= 0xFF00; - X86_ECX |= (pciNumBuses & 0xFF); /* Max bus number in system */ - X86_EFLAGS &= ~((unsigned long) 0x01); /* clear carry flag */ -#ifdef DEBUG_INT1A - if (verbose) - printf("PCI bios present.\n"); -#endif - return 1; - case 0xb102: - if (X86_DX == pvp->vendor_id && X86_CX == pvp->device_id && X86_ESI == 0) { - X86_EAX = X86_AL | (SUCCESSFUL << 8); - X86_EFLAGS &= ~((unsigned long) 0x01); /* clear carry flag */ - X86_EBX = pciSlotBX(tag); // XXX used to be pvp, but both are NULL - } -#ifdef SHOW_ALL_DEVICES - else if ((pvp = xf86FindPciDeviceVendor(X86_EDX, X86_ECX, X86_ESI, pvp))) { - X86_EAX = X86_AL | (SUCCESSFUL << 8); - X86_EFLAGS &= ~((unsigned long) 0x01); /* clear carry flag */ - X86_EBX = pciSlotBX(pvp); - } -#endif - else { - X86_EAX = X86_AL | (DEVICE_NOT_FOUND << 8); - X86_EFLAGS |= ((unsigned long) 0x01); /* set carry flag */ - } -#ifdef DEBUG_INT1A - printf("eax=0x%x ebx=0x%x eflags=0x%x\n", X86_EAX, X86_EBX, X86_EFLAGS); -#endif - return 1; - case 0xb103: -#if 0 - if (X86_CL == pvp->interface && - X86_CH == pvp->subclass && - ((X86_ECX & 0xFFFF0000) >> 16) == pvp->class) { - X86_EAX = X86_AL | (SUCCESSFUL << 8); - X86_EBX = pciSlotBX(pvp); - X86_EFLAGS &= ~((unsigned long) 0x01); /* clear carry flag */ - } -#else - /* FIXME: dirty hack */ - if (0); -#endif -#ifdef SHOW_ALL_DEVICES - else if ((pvp = FindPciClass(X86_CL, X86_CH, - (X86_ECX & 0xffff0000) >> 16, - X86_ESI, pvp))) { - X86_EAX = X86_AL | (SUCCESSFUL << 8); - X86_EFLAGS &= ~((unsigned long) 0x01); /* clear carry flag */ - X86_EBX = pciSlotBX(pvp); - } -#endif - else { - X86_EAX = X86_AL | (DEVICE_NOT_FOUND << 8); - X86_EFLAGS |= ((unsigned long) 0x01); /* set carry flag */ - } -#ifdef DEBUG_INT1A - printf("eax=0x%x eflags=0x%x\n", X86_EAX, X86_EFLAGS); -#endif - return 1; - case 0xb108: - if ((tag = findPci(X86_EBX))) { - X86_CL = pciReadByte(tag, X86_EDI); - X86_EAX = X86_AL | (SUCCESSFUL << 8); - X86_EFLAGS &= ~((unsigned long) 0x01); /* clear carry flag */ - } else { - X86_EAX = X86_AL | (BAD_REGISTER_NUMBER << 8); - X86_EFLAGS |= ((unsigned long) 0x01); /* set carry flag */ - } -#ifdef DEBUG_INT1A - printf("eax=0x%x ecx=0x%x eflags=0x%x\n", X86_EAX, X86_ECX, X86_EFLAGS); -#endif - return 1; - case 0xb109: - if ((tag = findPci(X86_EBX))) { - X86_CX = pciReadWord(tag, X86_EDI); - X86_EAX = X86_AL | (SUCCESSFUL << 8); - X86_EFLAGS &= ~((unsigned long) 0x01); /* clear carry flag */ - } else { - X86_EAX = X86_AL | (BAD_REGISTER_NUMBER << 8); - X86_EFLAGS |= ((unsigned long) 0x01); /* set carry flag */ - } -#ifdef DEBUG_INT1A - printf("eax=0x%x ecx=0x%x eflags=0x%x\n", X86_EAX, X86_ECX, X86_EFLAGS); -#endif - return 1; - case 0xb10a: - if ((tag = findPci(X86_EBX))) { - X86_ECX = pciReadLong(tag, X86_EDI); - X86_EAX = X86_AL | (SUCCESSFUL << 8); - X86_EFLAGS &= ~((unsigned long) 0x01); /* clear carry flag */ - } else { - X86_EAX = X86_AL | (BAD_REGISTER_NUMBER << 8); - X86_EFLAGS |= ((unsigned long) 0x01); /* set carry flag */ - } -#ifdef DEBUG_INT1A - printf("eax=0x%x ecx=0x%x eflags=0x%x\n", X86_EAX, X86_ECX, X86_EFLAGS); -#endif - return 1; - case 0xb10b: - if ((tag = findPci(X86_EBX))) { - pciWriteByte(tag, X86_EDI, X86_CL); - X86_EAX = X86_AL | (SUCCESSFUL << 8); - X86_EFLAGS &= ~((unsigned long) 0x01); /* clear carry flag */ - } else { - X86_EAX = X86_AL | (BAD_REGISTER_NUMBER << 8); - X86_EFLAGS |= ((unsigned long) 0x01); /* set carry flag */ - } -#ifdef DEBUG_INT1A - printf("eax=0x%x eflags=0x%x\n", X86_EAX, X86_EFLAGS); -#endif - return 1; - case 0xb10c: - if ((tag = findPci(X86_EBX))) { - pciWriteWord(tag, X86_EDI, X86_CX); - X86_EAX = X86_AL | (SUCCESSFUL << 8); - X86_EFLAGS &= ~((unsigned long) 0x01); /* clear carry flag */ - } else { - X86_EAX = X86_AL | (BAD_REGISTER_NUMBER << 8); - X86_EFLAGS |= ((unsigned long) 0x01); /* set carry flag */ - } -#ifdef DEBUG_INT1A - printf("eax=0x%x eflags=0x%x\n", X86_EAX, X86_EFLAGS); -#endif - return 1; - case 0xb10d: - if ((tag = findPci(X86_EBX))) { - pciWriteLong(tag, X86_EDI, X86_ECX); - X86_EAX = X86_AL | (SUCCESSFUL << 8); - X86_EFLAGS &= ~((unsigned long) 0x01); /* clear carry flag */ - } else { - X86_EAX = X86_AL | (BAD_REGISTER_NUMBER << 8); - X86_EFLAGS |= ((unsigned long) 0x01); /* set carry flag */ - } -#ifdef DEBUG_INT1A - printf("eax=0x%x eflags=0x%x\n", X86_EAX, X86_EFLAGS); -#endif - return 1; - default: - printf("int1a: subfunction not implemented.\n"); - return 0; - } -} |