diff options
Diffstat (limited to 'src/devices')
| -rw-r--r-- | src/devices/Kconfig | 123 |
1 files changed, 91 insertions, 32 deletions
diff --git a/src/devices/Kconfig b/src/devices/Kconfig index 42c47bc19c..8211bf30f5 100644 --- a/src/devices/Kconfig +++ b/src/devices/Kconfig @@ -1,7 +1,7 @@ ## ## This file is part of the coreboot project. ## -## Copyright (C) 2007 coresystems GmbH +## Copyright (C) 2007-2010 coresystems GmbH ## (Written by Stefan Reinauer <stepan@coresystems.de> for coresystems GmbH) ## ## This program is free software; you can redistribute it and/or modify @@ -49,7 +49,7 @@ choice depends on PCI_ROM_RUN || VGA_ROM_RUN config PCI_OPTION_ROM_RUN_REALMODE - prompt "Real mode" + prompt "Native mode" bool depends on ARCH_X86 help @@ -58,36 +58,59 @@ config PCI_OPTION_ROM_RUN_REALMODE so this is the fastest, but also the least secure option. (only works on x86/x64 systems) -config PCI_OPTION_ROM_RUN_X86EMU - prompt "x86emu" +config PCI_OPTION_ROM_RUN_YABEL + prompt "Secure Mode" bool help If you select this option, the x86emu CPU emulator will be used to - execute PCI option ROMs. - When choosing this option, x86emu will pass through all hardware - accesses to memory and IO devices to the underlying memory and IO - addresses. While this option prevents option ROMs from doing dirty - tricks with the CPU (such as installing SMM modules or hypervisors), - they can still access all devices in the system. - Choosing x86emu, option ROM execution is slower than native execution - in real mode, but faster than the full system emulation YABEL + execute PCI option ROMs. + This option prevents option ROMs from doing dirty tricks with the + system (such as installing SMM modules or hypervisors), but it is also + significantly slower than the native option ROM initialization method. This is the default choice for non-x86 systems. +endchoice -config PCI_OPTION_ROM_RUN_YABEL - prompt "YABEL" - bool +# TODO: Describe better, and/or make a "choice" selection for this. +config YABEL_DEBUG_FLAGS + prompt "Hex value for YABEL debug flags" + hex + default 0x0 + depends on PCI_OPTION_ROM_RUN_YABEL help - If you select this option, the YABEL system emulator will be used to - execute PCI option ROMs. - YABEL consists of two parts: It uses x86emu for the CPU emulation and - additionally provides a PC system emulation that filters bad device and - memory access (such as PCI config space access to other devices than the - initialized one). - This option best prevents option ROMs from doing dirty tricks with the - system (such as installing SMM modules or hypervisors), but it is also - significantly slower than the other option ROM initialization methods. + Set CONFIG_YABEL_DEBUG_FLAGS is a binary switch that allows you + to select the following items to debug. 1=on 0=off. After you + decide what you want to debug create the binary value, convert to hex + and set the Option (Ex. CONFIG_YABEL_DEBUG_FLAGS = 0x31FF //Debug All). + + |-DEBUG_JMP - print info about JMP and RETF opcodes from x86emu + ||-DEBUG_TRACE_X86EMU - print _all_ opcodes that are executed by x86emu (WARNING: this will produce a LOT of output) + |||-Currently unused + ||||-Currently unused + |||||-Currently unused + ||||||-DEBUG_PNP - Print Plug And Play access made by option rom + |||||||-DEBUG_DISK - Print Disk I/O related messages, currently unused + ||||||||-DEBUG_PMM - Print messages related to POST Memory Manager (PMM) + |||||||||-DEBUG_VBE - Print messages related to VESA BIOS Extension (VBE) functions + ||||||||||-DEBUG_PRINT_INT10 - let INT10 (i.e. character output) calls print messages to Debug output + |||||||||||-DEBUG_INTR - Print messages related to interrupt handling + ||||||||||||-DEBUG_CHECK_VMEM_ACCESS - Print messages related to accesse to certain areas of the virtual Memory (e.g. BDA (BIOS Data Area) or Interrupt Vectors) + |||||||||||||-DEBUG_MEM - Print memory access made by option rom (NOTE: this also includes accesses to fetch instructions) + ||||||||||||||-DEBUG_IO - Print I/O access made by option rom + 11000111111111 - Max Binary Value, Debug All (WARNING: - This could run for hours) + + DEBUG_IO 0x0001 + DEBUG_MEM 0x0002 + DEBUG_CHECK_VMEM_ACCESS 0x0004 + DEBUG_INTR 0x0008 + DEBUG_PRINT_INT10 0x0010 + DEBUG_VBE 0x0020 + DEBUG_PMM 0x0040 + DEBUG_DISK 0x0080 + DEBUG_PNP 0x0100 + DEBUG_TRACE_X86EMU 0x1000 + DEBUG_JMP 0x2000 -endchoice + See debug.h for values 0 is no debug output, 0x31ff is _verbose_. config YABEL_PCI_ACCESS_OTHER_DEVICES prompt "Allow option roms to acces other devices" @@ -102,20 +125,56 @@ config YABEL_PCI_ACCESS_OTHER_DEVICES config YABEL_VIRTMEM_LOCATION prompt "Location of YABEL's virtual memory" hex - depends on EXPERT + depends on PCI_OPTION_ROM_RUN_YABEL && EXPERT default 0x1000000 help YABEL requires 1MB memory for its CPU emulation. This memory is normally located at 16MB. -# TODO: Describe better, and/or make a "choice" selection for this. -config YABEL_DEBUG_FLAGS - prompt "Hex value for YABEL debug flags" - hex - default 0x0 +config YABEL_DIRECTHW + prompt "Direct Hardware Access" + bool depends on PCI_OPTION_ROM_RUN_YABEL help - See debug.h for values 0 is no debug output, 0x31ff is _verbose_. + YABEL consists of two parts: It uses x86emu for the CPU emulation and + additionally provides a PC system emulation that filters bad device and + memory access (such as PCI config space access to other devices than the + initialized one). + When choosing this option, x86emu will pass through all hardware + accesses to memory and IO devices to the underlying memory and IO + addresses. While this option prevents option ROMs from doing dirty + tricks with the CPU (such as installing SMM modules or hypervisors), + they can still access all devices in the system. + Enable this option for a good compromise between security and speed. + +config BOOTSPLASH + prompt "Show graphical bootsplash" + bool + depends on PCI_OPTION_ROM_RUN_YABEL + help + This option shows a graphical bootsplash screen. The grapics are + loaded from the CBFS file bootsplash.jpg + +config FRAMEBUFFER_VESA_MODE + prompt "VESA framebuffer video mode" + hex + default 0x117 + depends on BOOTSPLASH + help + This option sets the resolution used for the coreboot framebuffer and + bootsplash screen. Set to 0x117 for 1024x768x16. A diligent soul will + some day make this a "choice". + +config COREBOOT_KEEP_FRAMEBUFFER + prompt "Keep VESA framebuffer" + bool + depends on BOOTSPLASH + help + This option keeps the framebuffer mode set after coreboot finishes + execution. If this option is enabled, coreboot will pass a framebuffer + entry in its coreboot table and the payload will need a framebuffer + driver. If this option is disabled, coreboot will switch back to + text mode before handing control to a payload. config CONSOLE_VGA_MULTI bool |