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Commit 3c012eeb authored by Mike Frysinger's avatar Mike Frysinger Committed by Bryan Wu
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Blackfin arch: move fixed code defines into fixed_code.h as very few things... 


Blackfin arch: move fixed code defines into fixed_code.h as very few things actually need to know these details

Signed-off-by: default avatarMike Frysinger <vapier.adi@gmail.com>
Signed-off-by: default avatarBryan Wu <cooloney@kernel.org>
parent 9216bbc8

include/asm-blackfin/Kbuild

+1 −1
Original line number Diff line number Diff line 
include include/asm-generic/Kbuild.asm



header-y += fixed_code.h
 
unifdef-y += fixed_code.h

include/asm-blackfin/bfin-global.h

+0 −13
Original line number Diff line number Diff line
@@ -70,19 +70,6 @@ extern void evt14_softirq(void); 
extern asmlinkage void asm_do_IRQ(unsigned int irq, struct pt_regs *regs);

extern int bfin_internal_set_wake(unsigned int irq, unsigned int state);



extern asmlinkage void finish_atomic_sections (struct pt_regs *regs);

extern char fixed_code_start;

extern char fixed_code_end;

extern int atomic_xchg32(void);

extern int atomic_cas32(void);

extern int atomic_add32(void);

extern int atomic_sub32(void);

extern int atomic_ior32(void);

extern int atomic_and32(void);

extern int atomic_xor32(void);

extern void safe_user_instruction(void);

extern void sigreturn_stub(void);



extern void *l1_data_A_sram_alloc(size_t);

extern void *l1_data_B_sram_alloc(size_t);

extern void *l1_inst_sram_alloc(size_t);

include/asm-blackfin/fixed_code.h

+24 −0
Original line number Diff line number Diff line 
/* This file defines the fixed addresses where userspace programs can find

   atomic code sequences.  */



#ifndef __BFIN_ASM_FIXED_CODE_H__

#define __BFIN_ASM_FIXED_CODE_H__



#ifdef __KERNEL__

#ifndef __ASSEMBLY__

#include <linux/linkage.h>

#include <linux/ptrace.h>

extern asmlinkage void finish_atomic_sections(struct pt_regs *regs);

extern char fixed_code_start;

extern char fixed_code_end;

extern int atomic_xchg32(void);

extern int atomic_cas32(void);

extern int atomic_add32(void);

extern int atomic_sub32(void);

extern int atomic_ior32(void);

extern int atomic_and32(void);

extern int atomic_xor32(void);

extern void safe_user_instruction(void);

extern void sigreturn_stub(void);

#endif

#endif



#define FIXED_CODE_START	0x400



#define SIGRETURN_STUB		0x400
@@ -20,3 +42,5 @@ 
#define SAFE_USER_INSTRUCTION   0x480



#define FIXED_CODE_END		0x490



#endif