Commit 37f078ff authored by Richard Weinberger's avatar Richard Weinberger
Browse files

m32r: Autogenerate offsets in struct thread_info 



Maintaining offsets by hand is no fun.

Signed-off-by: default avatarRichard Weinberger <richard@nod.at>
parent 7bd83010

arch/m32r/include/asm/asm-offsets.h

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+1 −0
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#include <generated/asm-offsets.h>

arch/m32r/include/asm/thread_info.h

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@@ -38,18 +38,7 @@ struct thread_info { 
	__u8			supervisor_stack[0];

};



#else /* !__ASSEMBLY__ */



/* offsets into the thread_info struct for assembly code access */

#define TI_TASK		0x00000000

#define TI_EXEC_DOMAIN	0x00000004

#define TI_FLAGS	0x00000008

#define TI_STATUS	0x0000000C

#define TI_CPU		0x00000010

#define TI_PRE_COUNT	0x00000014

#define TI_ADDR_LIMIT	0x00000018



#endif

#endif /* !__ASSEMBLY__ */



#define THREAD_SIZE		(PAGE_SIZE << 1)

#define THREAD_SIZE_ORDER	1

arch/m32r/kernel/asm-offsets.c

+14 −1
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/* Dummy asm-offsets.c file. Required by kbuild and ready to be used - hint! */
 
#include <linux/thread_info.h>

#include <linux/kbuild.h>



int foo(void)

{

	OFFSET(TI_TASK, thread_info, task);

	OFFSET(TI_FLAGS, thread_info, flags);

	OFFSET(TI_STATUS, thread_info, status);

	OFFSET(TI_CPU, thread_info, cpu);

	OFFSET(TI_PRE_COUNT, thread_info, preempt_count);

	OFFSET(TI_ADDR_LIMIT, thread_info, addr_limit);



	return 0;

}

arch/m32r/kernel/entry.S

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@@ -65,6 +65,7 @@ 
#include <asm/page.h>

#include <asm/m32r.h>

#include <asm/mmu_context.h>

#include <asm/asm-offsets.h>



#if !defined(CONFIG_MMU)

#define sys_madvise		sys_ni_syscall