leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

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

Browse Source 
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
This commit is contained in:
Mike Frysinger 2008-08-14 14:36:15 +08:00 committed by Bryan Wu
parent 9216bbc838
commit 3c012eebf8
3 changed files with 25 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/asm-blackfin/Kbuild
View File

@ -1,3 +1,3 @@
include include/asm-generic/Kbuild.asm
header-y += fixed_code.h
unifdef-y += fixed_code.h

13
include/asm-blackfin/bfin-global.h
View File

@ -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);

24
include/asm-blackfin/fixed_code.h
View File

@ -1,6 +1,28 @@
/* 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