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| author | Ronald G. Minnich <rminnich@gmail.com> | 2018-09-14 01:21:05 -0700 |
|---|---|---|
| committer | Ronald G. Minnich <rminnich@gmail.com> | 2018-09-14 09:59:17 +0000 |
| commit | 95c331b94b1d04ea34b480c83613c2141a02697e (patch) | |
| tree | c21c9753964d6d70e8fec85e9b6f075cac87883f /payloads/linuxcheck/Makefile | |
| parent | 374d992fc831300377216fd3f7c3137d4b53ab36 (diff) | |
| download | coreboot-95c331b94b1d04ea34b480c83613c2141a02697e.tar.xz | |
rampayload: Add the linuxcheck payload
The i386.c file uses standard 3f8 UART for some simple diagnostic
prints, and the libpayload console otherwise.
This payload was used to debug Linux as a rampayload and was very helpful
for that work.
Change-Id: I1cce5528780cd825fd91a88137fa70abd9f218e7
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-on: https://review.coreboot.org/28600
Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'payloads/linuxcheck/Makefile')
| -rw-r--r-- | payloads/linuxcheck/Makefile | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/payloads/linuxcheck/Makefile b/payloads/linuxcheck/Makefile new file mode 100644 index 0000000000..b967369e1a --- /dev/null +++ b/payloads/linuxcheck/Makefile @@ -0,0 +1,37 @@ +LIBPAYLOAD_DIR=$(CURDIR)/libpayload +XCOMPILE=$(LIBPAYLOAD_DIR)/libpayload.xcompile +# build libpayload and put .config file in $(CURDIR) instead of ../libpayload +# to avoid pollute the libpayload source directory and possible conflicts +LPOPTS=obj="$(CURDIR)/build" DESTDIR="$(CURDIR)" DOTCONFIG="$(CURDIR)/.config" +CFLAGS += -Wall -Werror -Os -ffreestanding -nostdinc -nostdlib +ifeq ($(CONFIG_ARCH_X86),y) +TARGETARCH = i386 +endif + +all: linuxcheck.elf + +$(LIBPAYLOAD_DIR): + $(MAKE) -C ../libpayload $(LPOPTS) defconfig + $(MAKE) -C ../libpayload $(LPOPTS) + $(MAKE) -C ../libpayload $(LPOPTS) install + +ifneq ($(strip $(wildcard libpayload)),) +include $(XCOMPILE) +LPGCC = CC="$(GCC_CC_x86_32)" "$(LIBPAYLOAD_DIR)/bin/lpgcc" +%.elf: %.c Makefile + $(LPGCC) $(CFLAGS) -o $*.elf $*.c $(TARGETARCH).c +else +# If libpayload is not found, first build libpayload, +# then do the make, this time it'll find libpayload +# and generate the linuxcheck.elf target +%.elf: $(LIBPAYLOAD_DIR) + $(MAKE) all +endif + +clean: + rm -f linuxcheck.elf + +distclean: clean + rm -rf build libpayload .config .config.old + +.PHONY: all clean distclean |