I was learning kernel interrupt using a small demo kernel module which use these two header include
asm/exception.h
asm/mach/irq.h
My Makefile is
ifeq (${KERNELRELEASE},)
KERNEL_SOURCE := /lib/modules/$(shell uname -r)/build
PWD := $(shell pwd)
default:
make -C ${KERNEL_SOURCE} SUBDIRS=${PWD} modules
clean:
make -C ${KERNEL_SOURCE} SUBDIRS=${PWD} clean
else
obj-m := irq_demo.o
endif
The error I am getting
irq_demo.c:9:27: fatal error: asm/exception.h: No such file or directory
#include <asm/exception.h>
I found asm/exception.h in my system in /usr/src/linux-headers-3.16.0-30-generic/arch/arm/include/
[1]But how to include this path in Makefile
[2]Is /usr/src/linux-headers-3.16.0-30-generic/include/asm-generic/ linked with arch/arm/include/asm/ ? if yes , than How ?
First try adding ARCH=arm after make ie
make ARCH=arm -C ${KERNEL_SOURCE} SUBDIRS=${PWD} modules
============================= OR =============================
Can you try adding line before make
CARGS = -I /lib/modules/$(shell uname -r)/arch/arm/include/
make $(CARGS) -C ${KERNEL_SOURCE} SUBDIRS=${PWD} modules
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