diff options
Diffstat (limited to 'src/devices/emulator/pcbios/pcibios.c')
-rw-r--r-- | src/devices/emulator/pcbios/pcibios.c | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/src/devices/emulator/pcbios/pcibios.c b/src/devices/emulator/pcbios/pcibios.c deleted file mode 100644 index 365eaca02b..0000000000 --- a/src/devices/emulator/pcbios/pcibios.c +++ /dev/null @@ -1,140 +0,0 @@ -#include <console/console.h> -#include <device/device.h> -#include <device/pci.h> -#include <device/pci_ids.h> -#include <device/pci_ops.h> -#include <x86emu/x86emu.h> - -#include "pcibios.h" - -int pcibios_handler(void) -{ - int ret = 0; - struct device *dev = 0; - - switch (X86_AX) { - case PCI_BIOS_PRESENT: - X86_AH = 0x00; /* no config space/special cycle support */ - X86_AL = 0x01; /* config mechanism 1 */ - X86_EDX = 'P' | 'C' << 8 | 'I' << 16 | ' ' << 24; - X86_EBX = 0x0210; /* Version 2.10 */ - X86_ECX = 0xFF00; /* FixME: Max bus number */ - X86_EFLAGS &= ~FB_CF; /* clear carry flag */ - ret = 1; - break; - case FIND_PCI_DEVICE: - /* FixME: support SI != 0 */ - dev = dev_find_device(X86_DX, X86_CX, dev); - if (dev != 0) { - X86_BH = dev->bus->secondary; - X86_BL = dev->path.pci.devfn; - X86_AH = SUCCESSFUL; - X86_EFLAGS &= ~FB_CF; /* clear carry flag */ - ret = 1; - } else { - X86_AH = DEVICE_NOT_FOUND; - X86_EFLAGS |= FB_CF; /* set carry flag */ - ret = 0; - } - break; - case FIND_PCI_CLASS_CODE: - /* FixME: support SI != 0 */ - dev = dev_find_class(X86_ECX, dev); - if (dev != 0) { - X86_BH = dev->bus->secondary; - X86_BL = dev->path.pci.devfn; - X86_AH = SUCCESSFUL; - X86_EFLAGS &= ~FB_CF; /* clear carry flag */ - ret = 1; - } else { - X86_AH = DEVICE_NOT_FOUND; - X86_EFLAGS |= FB_CF; /* set carry flag */ - ret = 0; - } - break; - case READ_CONFIG_BYTE: - dev = dev_find_slot(X86_BH, X86_BL); - if (dev != 0) { - X86_CL = pci_read_config8(dev, X86_DI); - X86_AH = SUCCESSFUL; - X86_EFLAGS &= ~FB_CF; /* clear carry flag */ - ret = 1; - } else { - X86_AH = DEVICE_NOT_FOUND; - X86_EFLAGS |= FB_CF; /* set carry flag */ - ret = 0; - } - break; - case READ_CONFIG_WORD: - dev = dev_find_slot(X86_BH, X86_BL); - if (dev != 0) { - X86_CX = pci_read_config16(dev, X86_DI); - X86_AH = SUCCESSFUL; - X86_EFLAGS &= ~FB_CF; /* clear carry flag */ - ret = 1; - } else { - X86_AH = DEVICE_NOT_FOUND; - X86_EFLAGS |= FB_CF; /* set carry flag */ - ret = 0; - } - break; - case READ_CONFIG_DWORD: - dev = dev_find_slot(X86_BH, X86_BL); - if (dev != 0) { - X86_ECX = pci_read_config32(dev, X86_DI); - X86_AH = SUCCESSFUL; - X86_EFLAGS &= ~FB_CF; /* clear carry flag */ - ret = 1; - } else { - X86_AH = DEVICE_NOT_FOUND; - X86_EFLAGS |= FB_CF; /* set carry flag */ - ret = 0; - } - break; - case WRITE_CONFIG_BYTE: - dev = dev_find_slot(X86_BH, X86_BL); - if (dev != 0) { - pci_write_config8(dev, X86_DI, X86_CL); - X86_AH = SUCCESSFUL; - X86_EFLAGS &= ~FB_CF; /* clear carry flag */ - ret = 1; - } else { - X86_AH = DEVICE_NOT_FOUND; - X86_EFLAGS |= FB_CF; /* set carry flag */ - ret = 0; - } - break; - case WRITE_CONFIG_WORD: - dev = dev_find_slot(X86_BH, X86_BL); - if (dev != 0) { - pci_write_config16(dev, X86_DI, X86_CX); - X86_AH = SUCCESSFUL; - X86_EFLAGS &= ~FB_CF; /* clear carry flag */ - ret = 1; - } else { - X86_AH = DEVICE_NOT_FOUND; - X86_EFLAGS |= FB_CF; /* set carry flag */ - ret = 0; - } - break; - case WRITE_CONFIG_DWORD: - dev = dev_find_slot(X86_BH, X86_BL); - if (dev != 0) { - pci_write_config16(dev, X86_DI, X86_ECX); - X86_AH = SUCCESSFUL; - X86_EFLAGS &= ~FB_CF; /* clear carry flag */ - ret = 1; - } else { - X86_AH = DEVICE_NOT_FOUND; - X86_EFLAGS |= FB_CF; /* set carry flag */ - ret = 0; - } - break; - default: - X86_AH = FUNC_NOT_SUPPORTED; - X86_EFLAGS |= FB_CF; - break; - } - - return ret; -} |