mirror of
https://codeberg.org/libreboot/lbmk.git
synced 2026-07-16 13:16:47 +02:00
libreboot!
this is forked from the "libre" branch in osboot, which is itself a libre, deblobbed fork of osboot, a blobbed up fork of libreboot libreboot needed to be purged clean. this is the new libreboot development repository. the old one has been abandoned
This commit is contained in:
Leah Rowe
@@ -0,0 +1,95 @@
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#
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# Automatically generated file; DO NOT EDIT.
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# SeaBIOS Configuration
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#
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#
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# General Features
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#
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CONFIG_COREBOOT=y
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# CONFIG_QEMU is not set
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# CONFIG_CSM is not set
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# CONFIG_QEMU_HARDWARE is not set
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CONFIG_THREADS=y
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CONFIG_RELOCATE_INIT=y
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CONFIG_BOOTMENU=y
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CONFIG_BOOTSPLASH=y
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CONFIG_BOOTORDER=y
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CONFIG_HOST_BIOS_GEOMETRY=y
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CONFIG_COREBOOT_FLASH=y
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CONFIG_LZMA=y
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CONFIG_CBFS_LOCATION=0
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CONFIG_MULTIBOOT=y
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CONFIG_ENTRY_EXTRASTACK=y
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CONFIG_MALLOC_UPPERMEMORY=y
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CONFIG_ROM_SIZE=0
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#
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# Hardware support
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#
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CONFIG_ATA=y
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CONFIG_ATA_DMA=y
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# CONFIG_ATA_PIO32 is not set
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CONFIG_AHCI=y
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CONFIG_SDCARD=y
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CONFIG_MEGASAS=y
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CONFIG_FLOPPY=y
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CONFIG_FLASH_FLOPPY=y
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CONFIG_NVME=y
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CONFIG_PS2PORT=y
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CONFIG_USB=y
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CONFIG_USB_UHCI=y
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CONFIG_USB_OHCI=y
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CONFIG_USB_EHCI=y
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CONFIG_USB_XHCI=y
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CONFIG_USB_MSC=y
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CONFIG_USB_UAS=y
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CONFIG_USB_HUB=y
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CONFIG_USB_KEYBOARD=y
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CONFIG_USB_MOUSE=y
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CONFIG_SERIAL=y
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CONFIG_SERCON=y
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CONFIG_LPT=y
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CONFIG_RTC_TIMER=y
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CONFIG_HARDWARE_IRQ=y
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CONFIG_PMTIMER=y
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CONFIG_TSC_TIMER=y
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#
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# BIOS interfaces
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#
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CONFIG_DRIVES=y
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CONFIG_CDROM_BOOT=y
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CONFIG_CDROM_EMU=y
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CONFIG_PCIBIOS=y
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CONFIG_APMBIOS=y
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CONFIG_PNPBIOS=y
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CONFIG_OPTIONROMS=y
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CONFIG_PMM=y
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CONFIG_BOOT=y
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CONFIG_KEYBOARD=y
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CONFIG_KBD_CALL_INT15_4F=y
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CONFIG_MOUSE=y
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CONFIG_S3_RESUME=y
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CONFIG_VGAHOOKS=y
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# CONFIG_DISABLE_A20 is not set
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CONFIG_TCGBIOS=y
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#
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# VGA ROM
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#
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# CONFIG_NO_VGABIOS is not set
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# CONFIG_VGA_GEODEGX2 is not set
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# CONFIG_VGA_GEODELX is not set
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CONFIG_VGA_COREBOOT=y
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CONFIG_BUILD_VGABIOS=y
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CONFIG_VGA_EMULATE_TEXT=y
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CONFIG_VGA_FIXUP_ASM=y
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CONFIG_VGA_ALLOCATE_EXTRA_STACK=y
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CONFIG_VGA_EXTRA_STACK_SIZE=512
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CONFIG_VGA_VBE=y
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#
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# Debugging
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#
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CONFIG_DEBUG_LEVEL=0
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@@ -0,0 +1,91 @@
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#
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# Automatically generated file; DO NOT EDIT.
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# SeaBIOS Configuration
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#
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#
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# General Features
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#
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CONFIG_COREBOOT=y
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# CONFIG_QEMU is not set
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# CONFIG_CSM is not set
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# CONFIG_QEMU_HARDWARE is not set
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CONFIG_THREADS=y
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CONFIG_RELOCATE_INIT=y
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CONFIG_BOOTMENU=y
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CONFIG_BOOTSPLASH=y
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CONFIG_BOOTORDER=y
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CONFIG_HOST_BIOS_GEOMETRY=y
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CONFIG_COREBOOT_FLASH=y
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CONFIG_LZMA=y
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CONFIG_CBFS_LOCATION=0
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CONFIG_MULTIBOOT=y
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CONFIG_ENTRY_EXTRASTACK=y
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CONFIG_MALLOC_UPPERMEMORY=y
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CONFIG_ROM_SIZE=0
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#
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# Hardware support
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#
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CONFIG_ATA=y
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CONFIG_ATA_DMA=y
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# CONFIG_ATA_PIO32 is not set
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CONFIG_AHCI=y
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CONFIG_SDCARD=y
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CONFIG_MEGASAS=y
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CONFIG_FLOPPY=y
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CONFIG_FLASH_FLOPPY=y
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CONFIG_NVME=y
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CONFIG_PS2PORT=y
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CONFIG_USB=y
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CONFIG_USB_UHCI=y
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CONFIG_USB_OHCI=y
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CONFIG_USB_EHCI=y
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CONFIG_USB_XHCI=y
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CONFIG_USB_MSC=y
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CONFIG_USB_UAS=y
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CONFIG_USB_HUB=y
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CONFIG_USB_KEYBOARD=y
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CONFIG_USB_MOUSE=y
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CONFIG_SERIAL=y
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CONFIG_SERCON=y
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CONFIG_LPT=y
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CONFIG_RTC_TIMER=y
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CONFIG_HARDWARE_IRQ=y
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CONFIG_PMTIMER=y
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CONFIG_TSC_TIMER=y
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#
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# BIOS interfaces
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#
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CONFIG_DRIVES=y
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CONFIG_CDROM_BOOT=y
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CONFIG_CDROM_EMU=y
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CONFIG_PCIBIOS=y
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CONFIG_APMBIOS=y
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CONFIG_PNPBIOS=y
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CONFIG_OPTIONROMS=y
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CONFIG_PMM=y
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CONFIG_BOOT=y
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CONFIG_KEYBOARD=y
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CONFIG_KBD_CALL_INT15_4F=y
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CONFIG_MOUSE=y
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CONFIG_S3_RESUME=y
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CONFIG_VGAHOOKS=y
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# CONFIG_DISABLE_A20 is not set
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CONFIG_TCGBIOS=y
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#
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# VGA ROM
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#
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CONFIG_NO_VGABIOS=y
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# CONFIG_VGA_GEODEGX2 is not set
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# CONFIG_VGA_GEODELX is not set
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# CONFIG_VGA_COREBOOT is not set
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# CONFIG_BUILD_VGABIOS is not set
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CONFIG_VGA_EXTRA_STACK_SIZE=512
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#
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# Debugging
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#
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CONFIG_DEBUG_LEVEL=0
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+58
@@ -0,0 +1,58 @@
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From 69d303f3860b4127343613785ceb5d52fa715321 Mon Sep 17 00:00:00 2001
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From: Leah Rowe <leah@libreboot.org>
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Date: Sun, 16 May 2021 00:16:30 +0100
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Subject: [PATCH 1/1] Add runtime option: etc/only-load-option-roms (load, but
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don't run)
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From anecdotal reports, sometimes it is useful; I've heard of instances where
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certain Nvidia graphics cards can, if using the nouveau driver on a GNU+Linux
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system, be used without running any option ROM, but where the option ROM has
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certain data tables in it that the driver can use.
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If set to 1, this will disable *all* option ROM loading, even SeaVGABIOS. It
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also affects CSM. In practise, the only time someone would ever use this is if
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they were using a graphics card in the above scenario. Such a use-case is
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incredibly rare.
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If set to 0, the normal behaviour can be observed (load, and execute). The
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run time option etc/pci-optionrom-exec will still be in effect.
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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---
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src/optionroms.c | 6 +++++-
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1 file changed, 5 insertions(+), 1 deletion(-)
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diff --git a/src/optionroms.c b/src/optionroms.c
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index e906ab9..db5e893 100644
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--- a/src/optionroms.c
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+++ b/src/optionroms.c
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@@ -23,7 +23,7 @@
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#include "util.h" // get_pnp_offset
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#include "tcgbios.h" // tpm_*
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-static int EnforceChecksum, S3ResumeVga, RunPCIroms;
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+static int EnforceChecksum, S3ResumeVga, RunPCIroms, OnlyLoadOptionRoms;
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/****************************************************************
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@@ -34,6 +34,9 @@ static int EnforceChecksum, S3ResumeVga, RunPCIroms;
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static void
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__callrom(struct rom_header *rom, u16 offset, u16 bdf)
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{
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+ if (OnlyLoadOptionRoms)
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+ return;
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+
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u16 seg = FLATPTR_TO_SEG(rom);
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dprintf(1, "Running option rom at %04x:%04x\n", seg, offset);
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@@ -461,6 +464,7 @@ vgarom_setup(void)
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EnforceChecksum = romfile_loadint("etc/optionroms-checksum", 1);
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S3ResumeVga = romfile_loadint("etc/s3-resume-vga-init", CONFIG_QEMU);
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RunPCIroms = romfile_loadint("etc/pci-optionrom-exec", 2);
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+ OnlyLoadOptionRoms = romfile_loadint("etc/only-load-option-roms", 0);
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ScreenAndDebug = romfile_loadint("etc/screen-and-debug", 1);
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// Clear option rom memory
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--
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2.25.1
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