diff options
Diffstat (limited to 'src/Kconfig')
| -rw-r--r-- | src/Kconfig | 92 |
1 files changed, 70 insertions, 22 deletions
diff --git a/src/Kconfig b/src/Kconfig index 149568a7f3..e8a560df24 100644 --- a/src/Kconfig +++ b/src/Kconfig @@ -17,7 +17,7 @@ ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ## -mainmenu "Coreboot Configuration" +mainmenu "coreboot configuration" menu "General setup" @@ -47,7 +47,7 @@ config CBFS_PREFIX by default, "normal" is a common alternative. choice - prompt "Compiler" + prompt "Compiler to use" default COMPILER_GCC help This option allows you to select the compiler used for building @@ -55,39 +55,61 @@ choice config COMPILER_GCC bool "GCC" + help + Use the GNU Compiler Collection (GCC) to build coreboot. + + For details see http://gcc.gnu.org. + config COMPILER_LLVM_CLANG bool "LLVM/clang" + help + Use LLVM/clang to build coreboot. + + For details see http://clang.llvm.org. + endchoice config SCANBUILD_ENABLE - bool "Build with scan-build for static analysis" + bool "Build with scan-build for static code analysis" default n help - Changes the build process to scan-build is used. - Requires scan-build in path. + Changes the build process to use scan-build (a utility for + running the clang static code analyzer from the command line). + + Requires the scan-build utility in your system $PATH. + + For details see http://clang-analyzer.llvm.org/scan-build.html. config SCANBUILD_REPORT_LOCATION - string "Directory to put scan-build report in" + string "Directory for the scan-build report(s)" default "" depends on SCANBUILD_ENABLE help - Where the scan-build report should be stored + Directory where the scan-build reports should be stored in. The + reports are stored in subdirectories of the form 'yyyy-mm-dd-*' + in the specified directory. + + If this setting is left empty, the coreboot top-level directory + will be used to store the report subdirectories. config CCACHE - bool "ccache" + bool "Use ccache to speed up (re)compilation" default n help Enables the use of ccache for faster builds. - Requires ccache in path. + + Requires the ccache utility in your system $PATH. + + For details see https://ccache.samba.org. config SCONFIG_GENPARSER bool "Generate SCONFIG parser using flex and bison" default n depends on EXPERT help - Enable this option if you are working on the sconfig - device tree parser and made changes to sconfig.l and - sconfig.y. + Enable this option if you are working on the sconfig device tree + parser and made changes to sconfig.l and sconfig.y. + Otherwise, say N. config USE_OPTION_TABLE @@ -96,7 +118,7 @@ config USE_OPTION_TABLE depends on HAVE_OPTION_TABLE help Enable this option if coreboot shall read options from the "CMOS" - NVRAM instead of using hard coded values. + NVRAM instead of using hard-coded values. config COMPRESS_RAMSTAGE bool "Compress ramstage with LZMA" @@ -104,29 +126,55 @@ config COMPRESS_RAMSTAGE help Compress ramstage to save memory in the flash image. Note that decompression might slow down booting if the boot flash - is connected through a slow Link (i.e. SPI) + is connected through a slow link (i.e. SPI). config INCLUDE_CONFIG_FILE - bool "Include the coreboot config file into the ROM image" + bool "Include the coreboot .config file into the ROM image" default y - help - Include in CBFS the coreboot config file that was used to compile the ROM image + help + Include the .config file that was used to compile coreboot + in the (CBFS) ROM image. This is useful if you want to know which + options were used to build a specific coreboot.rom image. + + Saying Y here will increase the image size by 2-3kB. + + You can use the following command to easily list the options: + + grep -a CONFIG_ coreboot.rom + + Alternatively, you can also use cbfstool to print the image + contents (including the raw 'config' item we're looking for). + + Example: + + $ cbfstool coreboot.rom print + coreboot.rom: 4096 kB, bootblocksize 1008, romsize 4194304, + offset 0x0 + Alignment: 64 bytes + + Name Offset Type Size + cmos_layout.bin 0x0 cmos layout 1159 + fallback/romstage 0x4c0 stage 339756 + fallback/coreboot_ram 0x53440 stage 186664 + fallback/payload 0x80dc0 payload 51526 + config 0x8d740 raw 3324 + (empty) 0x8e480 null 3610440 config EARLY_CBMEM_INIT bool "Initialize CBMEM while in ROM stage" default n help - Make coreboot initialize the cbmem structures while running in rom - stage. This could be useful when the rom stage wants to communicate + Make coreboot initialize the cbmem structures while running in ROM + stage. This could be useful when the ROM stage wants to communicate some, for instance, execution timestamps. config COLLECT_TIMESTAMPS bool "Create a table of timestamps collected during boot" depends on EARLY_CBMEM_INIT help - Make coreboot create a table of timer id/timer value pairs to - allow measuring time spent at different phases of the boot - process. + Make coreboot create a table of timer-ID/timer-value pairs to + allow measuring time spent at different phases of the boot process. + endmenu source src/mainboard/Kconfig |