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authorPatrick Georgi <patrick@georgi-clan.de>2013-08-31 08:26:52 +0200
committerPatrick Georgi <patrick@georgi-clan.de>2013-08-31 08:58:39 +0200
commit16ae95c4bce956c115deaa7b5d42b3472a72e9e9 (patch)
tree0c3cb97197e41894e6619f13d93646251f553af1
parent2f39eae41d750817143f9372f67de6b1ee96b4a6 (diff)
downloadcoreboot-16ae95c4bce956c115deaa7b5d42b3472a72e9e9.tar.xz
Add Kconfig options for Linux as payload
These allow to define a kernel image, initrd and command line. Change-Id: I40155b812728a176b6d15871e1e6c96e4ad693c8 Signed-off-by: Patrick Georgi <patrick@georgi-clan.de> Reviewed-on: http://review.coreboot.org/3893 Reviewed-by: Ronald G. Minnich <rminnich@gmail.com> Tested-by: build bot (Jenkins)
-rw-r--r--src/Kconfig31
-rw-r--r--src/arch/x86/Makefile.inc14
2 files changed, 45 insertions, 0 deletions
diff --git a/src/Kconfig b/src/Kconfig
index f714cb2de1..be2cb249c1 100644
--- a/src/Kconfig
+++ b/src/Kconfig
@@ -539,6 +539,16 @@ config PAYLOAD_ELF
You will be able to specify the location and file name of the
payload image later.
+config PAYLOAD_LINUX
+ bool "A Linux payload"
+ help
+ Select this option if you have a Linux bzImage which coreboot
+ should run as soon as the basic hardware initialization
+ is completed.
+
+ You will be able to specify the location and file name of the
+ payload image later.
+
config PAYLOAD_SEABIOS
bool "SeaBIOS"
depends on ARCH_X86
@@ -617,6 +627,13 @@ config PAYLOAD_FILE
The path and filename of the ELF executable file to use as payload.
config PAYLOAD_FILE
+ string "Linux path and filename"
+ depends on PAYLOAD_LINUX
+ default "bzImage"
+ help
+ The path and filename of the bzImage kernel to use as payload.
+
+config PAYLOAD_FILE
depends on PAYLOAD_SEABIOS
default "$(obj)/seabios/out/bios.bin.elf"
@@ -640,6 +657,20 @@ config COMPRESSED_PAYLOAD_LZMA
In order to reduce the size payloads take up in the ROM chip
coreboot can compress them using the LZMA algorithm.
+config LINUX_COMMAND_LINE
+ string "Linux command line"
+ depends on PAYLOAD_LINUX
+ default ""
+ help
+ A command line to add to the Linux kernel.
+
+config LINUX_INITRD
+ string "Linux initrd"
+ depends on PAYLOAD_LINUX
+ default ""
+ help
+ An initrd image to add to the Linux kernel.
+
endmenu
menu "Debugging"
diff --git a/src/arch/x86/Makefile.inc b/src/arch/x86/Makefile.inc
index 5c286761f2..b3b82b998c 100644
--- a/src/arch/x86/Makefile.inc
+++ b/src/arch/x86/Makefile.inc
@@ -74,6 +74,16 @@ $(obj)/coreboot.pre1: $(CBFSTOOL)
mv $(obj)/coreboot.rom $@
endif
+ifeq ($(CONFIG_PAYLOAD_LINUX),y)
+LINUX_ADDITIONAL_CONFIG:=
+ifneq ($(strip $(call strip_quotes,$(CONFIG_LINUX_COMMAND_LINE))),)
+ LINUX_ADDITIONAL_CONFIG+=-C $(CONFIG_LINUX_COMMAND_LINE)
+endif
+ifneq ($(strip $(call strip_quotes,$(CONFIG_LINUX_INITRD))),)
+ LINUX_ADDITIONAL_CONFIG+=-I $(CONFIG_LINUX_INITRD)
+endif
+endif
+
$(obj)/coreboot.rom: $(obj)/coreboot.pre $(objcbfs)/coreboot_ram.elf $(CBFSTOOL) $(call strip_quotes,$(COREBOOT_ROM_DEPENDENCIES)) $$(INTERMEDIATE) $$(VBOOT_STUB_ELF)
@printf " CBFS $(subst $(obj)/,,$(@))\n"
cp $(obj)/coreboot.pre $@.tmp
@@ -85,6 +95,10 @@ ifeq ($(CONFIG_PAYLOAD_ELF),y)
@printf " PAYLOAD $(CONFIG_PAYLOAD_FILE) (compression: $(CBFS_PAYLOAD_COMPRESS_FLAG))\n"
$(CBFSTOOL) $@.tmp add-payload -f $(CONFIG_PAYLOAD_FILE) -n $(CONFIG_CBFS_PREFIX)/payload -c $(CBFS_PAYLOAD_COMPRESS_FLAG)
endif
+ifeq ($(CONFIG_PAYLOAD_LINUX),y)
+ @printf " PAYLOAD $(CONFIG_PAYLOAD_FILE) (compression: $(CBFS_PAYLOAD_COMPRESS_FLAG))\n"
+ $(CBFSTOOL) $@.tmp add-payload -f $(CONFIG_PAYLOAD_FILE) -n $(CONFIG_CBFS_PREFIX)/payload -c $(CBFS_PAYLOAD_COMPRESS_FLAG) $(LINUX_ADDITIONAL_CONFIG)
+endif
ifeq ($(CONFIG_PAYLOAD_SEABIOS),y)
@printf " PAYLOAD SeaBIOS (internal, compression: $(CBFS_PAYLOAD_COMPRESS_FLAG))\n"
$(CBFSTOOL) $@.tmp add-payload -f $(CONFIG_PAYLOAD_FILE) -n $(CONFIG_CBFS_PREFIX)/payload -c $(CBFS_PAYLOAD_COMPRESS_FLAG)