Bug #11842: Fix emulation of int1A PCI BIOS services.
Use only %di to name the PCI register to read/write, rather than %edi. DOS is only expecting the base PCI config space anyway, and the BIOS might be using the high bits of %edi.
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@ -730,7 +730,7 @@ int1A_handler(xf86Int10InfoPtr pInt)
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return 1;
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case 0xb108:
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if ((dev = findPci(pInt, X86_EBX)) != NULL) {
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pci_device_cfg_read_u8(dev, & X86_CL, X86_EDI);
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pci_device_cfg_read_u8(dev, & X86_CL, X86_DI);
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X86_EAX = X86_AL | (SUCCESSFUL << 8);
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X86_EFLAGS &= ~((unsigned long)0x01); /* clear carry flag */
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} else {
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@ -743,7 +743,7 @@ int1A_handler(xf86Int10InfoPtr pInt)
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return 1;
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case 0xb109:
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if ((dev = findPci(pInt, X86_EBX)) != NULL) {
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pci_device_cfg_read_u16(dev, & X86_CX, X86_EDI);
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pci_device_cfg_read_u16(dev, & X86_CX, X86_DI);
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X86_EAX = X86_AL | (SUCCESSFUL << 8);
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X86_EFLAGS &= ~((unsigned long)0x01); /* clear carry flag */
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} else {
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@ -756,7 +756,7 @@ int1A_handler(xf86Int10InfoPtr pInt)
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return 1;
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case 0xb10a:
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if ((dev = findPci(pInt, X86_EBX)) != NULL) {
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pci_device_cfg_read_u32(dev, & X86_ECX, X86_EDI);
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pci_device_cfg_read_u32(dev, & X86_ECX, X86_DI);
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X86_EAX = X86_AL | (SUCCESSFUL << 8);
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X86_EFLAGS &= ~((unsigned long)0x01); /* clear carry flag */
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} else {
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@ -769,7 +769,7 @@ int1A_handler(xf86Int10InfoPtr pInt)
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return 1;
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case 0xb10b:
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if ((dev = findPci(pInt, X86_EBX)) != NULL) {
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pci_device_cfg_write_u8(dev, X86_CL, X86_EDI);
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pci_device_cfg_write_u8(dev, X86_CL, X86_DI);
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X86_EAX = X86_AL | (SUCCESSFUL << 8);
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X86_EFLAGS &= ~((unsigned long)0x01); /* clear carry flag */
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} else {
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@ -782,7 +782,7 @@ int1A_handler(xf86Int10InfoPtr pInt)
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return 1;
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case 0xb10c:
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if ((dev = findPci(pInt, X86_EBX)) != NULL) {
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pci_device_cfg_write_u16(dev, X86_CX, X86_EDI);
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pci_device_cfg_write_u16(dev, X86_CX, X86_DI);
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X86_EAX = X86_AL | (SUCCESSFUL << 8);
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X86_EFLAGS &= ~((unsigned long)0x01); /* clear carry flag */
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} else {
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@ -795,7 +795,7 @@ int1A_handler(xf86Int10InfoPtr pInt)
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return 1;
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case 0xb10d:
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if ((dev = findPci(pInt, X86_EBX)) != NULL) {
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pci_device_cfg_write_u32(dev, X86_ECX, X86_EDI);
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pci_device_cfg_write_u32(dev, X86_ECX, X86_DI);
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X86_EAX = X86_AL | (SUCCESSFUL << 8);
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X86_EFLAGS &= ~((unsigned long)0x01); /* clear carry flag */
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} else {
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