3rd-party/linux-kernel-module-cheat
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bring a minimal buildroot kernel modules example to life

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More importantly, to make modules_install on the Linux kernel build.
This commit is contained in:
Ciro Santilli 六四事件 法轮功
2018-11-04 21:21:06 +00:00
parent b12206e871
commit 72167f9f68
11 changed files with 221 additions and 44 deletions
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5
buildroot_packages/kernel_modules/Config.in Normal file
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config BR2_PACKAGE_KERNEL_MODULES
bool "kernel_modules"
depends on BR2_LINUX_KERNEL
help
https://github.com/cirosantilli/linux-kernel-module-cheat#kernel_modules-package

10
buildroot_packages/kernel_modules/Makefile Normal file
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obj-m += $(addsuffix .o, $(notdir $(basename $(filter-out %.mod.c, $(wildcard $(BR2_EXTERNAL_KERNEL_MODULES_PATH)/*.c)))))
ccflags-y := -DDEBUG -g -std=gnu99 -Werror -Wno-declaration-after-statement -Wframe-larger-than=1000000000
.PHONY: all clean
all:
$(MAKE) -C '/lib/modules/$(shell uname -r)/build' M='$(PWD)' modules
clean:
$(MAKE) -C '$(LINUX_DIR)' M='$(PWD)' clean

18
buildroot_packages/kernel_modules/buildroot_dep.c Normal file
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/* https://github.com/cirosantilli/linux-kernel-module-cheat#kernel-module-dependencies */
#include <linux/kernel.h>
#include <linux/module.h>
u32 lkmc_dep = 42;
EXPORT_SYMBOL(lkmc_dep);
static int myinit(void)
{
return 0;
}
static void myexit(void) {}
module_init(myinit)
module_exit(myexit)
MODULE_LICENSE("GPL");

18
buildroot_packages/kernel_modules/buildroot_dep2.c Normal file
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/* https://github.com/cirosantilli/linux-kernel-module-cheat#kernel-module-dependencies */
#include <linux/kernel.h>
#include <linux/module.h>
extern u32 lkmc_dep;
static int myinit(void)
{
pr_info("%llu\n", (long long unsigned)lkmc_dep);
return 0;
}
static void myexit(void) {}
module_init(myinit)
module_exit(myexit)
MODULE_LICENSE("GPL");

19
buildroot_packages/kernel_modules/buildroot_hello.c Normal file
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/* https://github.com/cirosantilli/linux-kernel-module-cheat#getting-started-natively */
#include <linux/module.h>
#include <linux/kernel.h>
static int myinit(void)
{
pr_info("init buildroot\n");
return 0;
}
static void myexit(void)
{
pr_info("exit buildroot\n");
}
module_init(myinit)
module_exit(myexit)
MODULE_LICENSE("GPL");

1
buildroot_packages/kernel_modules/external.desc Normal file
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name: KERNEL_MODULES

12
buildroot_packages/kernel_modules/external.mk Normal file
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################################################################################
#
# kernel_modules
#
################################################################################
KERNEL_MODULES_VERSION = 1.0
KERNEL_MODULES_SITE = $(BR2_EXTERNAL_KERNEL_MODULES_PATH)
KERNEL_MODULES_SITE_METHOD = local
$(eval $(kernel-module))
$(eval $(generic-package))