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Commit e72b0475 authored by Hyok S. Choi's avatar Hyok S. Choi Committed by Russell King
Browse files

[ARM] start_thread fixup for nommu mode 



This patch supports start_thread in nommu mode which requires the
base index register.

Signed-off-by: default avatarHyok S. Choi <hyok.choi@samsung.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 946d4935

include/asm-arm/processor.h

+7 −0
Original line number Diff line number Diff line
@@ -49,6 +49,12 @@ struct thread_struct { 


#define INIT_THREAD  {	}



#ifdef CONFIG_MMU

#define nommu_start_thread(regs) do { } while (0)

#else

#define nommu_start_thread(regs) regs->ARM_r10 = current->mm->start_data

#endif



#define start_thread(regs,pc,sp)					\

({									\

	unsigned long *stack = (unsigned long *)sp;			\
@@ -65,6 +71,7 @@ struct thread_struct { 
	regs->ARM_r2 = stack[2];	/* r2 (envp) */			\

	regs->ARM_r1 = stack[1];	/* r1 (argv) */			\

	regs->ARM_r0 = stack[0];	/* r0 (argc) */			\

	nommu_start_thread(regs);					\

})



/* Forward declaration, a strange C thing */