coreboot/util/cbmem/Makefile
Jakub Czapiga 7095c99a87 util/cbmem: Add support for CBMEM in sysfs
This commit adds support for CBMEM in sysfs. Useful for systems without
access to /dev/mem e.g. Android.
Linux kernel driver: drivers/firmware/google/cbmem.c
Linux driver Kconfig: CONFIG_GOOGLE_CBMEM

BUG=b:391874512
TEST=(devmem) cbmem -l; cbmem -x; cbmem -r 434f4e53; cbmem -t;
cbmem -a 1200
TEST=modprobe cbmem; cbmem -l; cbmem -x; cbmem -r 434f4e53; cbmem -t;
cbmem -a 1200

Change-Id: I527889509ffc84203be42d0160e5363c60eafd02
Signed-off-by: Jakub Czapiga <czapiga@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/86606
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
2025-07-28 14:31:00 +00:00

43 lines
1.1 KiB
Makefile

##
## SPDX-License-Identifier: GPL-2.0-only
PROGRAM = cbmem
TOP ?= $(abspath ../..)
ROOT = $(TOP)/src
COMMONLIB = $(ROOT)/commonlib
CC ?= $(CROSS_COMPILE)gcc
INSTALL ?= /usr/bin/env install
PREFIX ?= /usr/local
CFLAGS ?= -O2
WERROR=-Werror
CFLAGS += -Wall -Wextra -Wmissing-prototypes -Wshadow $(WERROR)
CPPFLAGS += -I . -I $(ROOT)/commonlib/include -I $(ROOT)/commonlib/bsd/include
CPPFLAGS += -include $(ROOT)/commonlib/bsd/include/commonlib/bsd/compiler.h
OBJS = $(PROGRAM).o cbmem_drv.o devmem_drv.o sysfs_drv.o $(COMMONLIB)/bsd/ipchksum.o
all: $(PROGRAM)
$(PROGRAM): $(OBJS)
clean:
rm -f $(PROGRAM) $(OBJS:.c=.o) .dependencies *~ junit.xml
install: $(PROGRAM)
$(INSTALL) -d $(DESTDIR)$(PREFIX)/sbin/
$(INSTALL) cbmem $(DESTDIR)$(PREFIX)/sbin/
distclean: clean
.dependencies:
@$(CC) $(CFLAGS) $(CPPFLAGS) -MM *.c > .dependencies
help:
@echo "${PROGRAM}: View machine's cbmem contents"
@echo "Targets: all, clean, distclean, help, install"
@echo "To disable warnings as errors, run make as:"
@echo " make all WERROR=\"\""
.PHONY: all clean distclean install help
-include .dependencies