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head/stand/efi/loader/main.c
| Show First 20 Lines • Show All 733 Lines • ▼ Show 20 Lines | parse_uefi_con_out(void) | ||||
| if (rv != EFI_SUCCESS) { | if (rv != EFI_SUCCESS) { | ||||
| /* If we don't have any ConOut default to serial */ | /* If we don't have any ConOut default to serial */ | ||||
| how = RB_SERIAL; | how = RB_SERIAL; | ||||
| goto out; | goto out; | ||||
| } | } | ||||
| ep = buf + sz; | ep = buf + sz; | ||||
| node = (EFI_DEVICE_PATH *)buf; | node = (EFI_DEVICE_PATH *)buf; | ||||
| while ((char *)node < ep) { | while ((char *)node < ep) { | ||||
| if (IsDevicePathEndType(node)) { | |||||
| if (pci_pending && vid_seen == 0) | |||||
| vid_seen = ++seen; | |||||
| } | |||||
| pci_pending = false; | pci_pending = false; | ||||
| if (DevicePathType(node) == ACPI_DEVICE_PATH && | if (DevicePathType(node) == ACPI_DEVICE_PATH && | ||||
| (DevicePathSubType(node) == ACPI_DP || | (DevicePathSubType(node) == ACPI_DP || | ||||
| DevicePathSubType(node) == ACPI_EXTENDED_DP)) { | DevicePathSubType(node) == ACPI_EXTENDED_DP)) { | ||||
| /* Check for Serial node */ | /* Check for Serial node */ | ||||
| acpi = (void *)node; | acpi = (void *)node; | ||||
| if (EISA_ID_TO_NUM(acpi->HID) == 0x501) { | if (EISA_ID_TO_NUM(acpi->HID) == 0x501) { | ||||
| setenv_int("efi_8250_uid", acpi->UID); | setenv_int("efi_8250_uid", acpi->UID); | ||||
| Show All 17 Lines | if (DevicePathType(node) == ACPI_DEVICE_PATH && | ||||
| * have to cope with: | * have to cope with: | ||||
| * PciRoot(0x0)/Pci(0x1f,0x0)/Serial(0x1) | * PciRoot(0x0)/Pci(0x1f,0x0)/Serial(0x1) | ||||
| * so only match it if it's last. | * so only match it if it's last. | ||||
| */ | */ | ||||
| pci_pending = true; | pci_pending = true; | ||||
| } | } | ||||
| node = NextDevicePathNode(node); | node = NextDevicePathNode(node); | ||||
| } | } | ||||
| if (pci_pending && vid_seen == 0) | |||||
| vid_seen = ++seen; | |||||
| /* | /* | ||||
| * Truth table for RB_MULTIPLE | RB_SERIAL | * Truth table for RB_MULTIPLE | RB_SERIAL | ||||
| * Value Result | * Value Result | ||||
| * 0 Use only video console | * 0 Use only video console | ||||
| * RB_SERIAL Use only serial console | * RB_SERIAL Use only serial console | ||||
| * RB_MULTIPLE Use both video and serial console | * RB_MULTIPLE Use both video and serial console | ||||
| * (but video is primary so gets rc messages) | * (but video is primary so gets rc messages) | ||||
| ▲ Show 20 Lines • Show All 810 Lines • Show Last 20 Lines | |||||