diff options
| author | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
|---|---|---|
| committer | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
| commit | 97327692361306d1e6259021bc425e32832fdb50 (patch) | |
| tree | fe9088f3248ec61e24f404f21b9793cb644b7f01 /arch/blackfin/include/asm/fixed_code.h | |
| parent | 2d05a8f663478a44e088d122e0d62109bbc801d0 (diff) | |
| parent | a3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff) | |
| download | FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.tar.gz FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.tar.bz2 FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.zip | |
dirty fix to merging
Diffstat (limited to 'arch/blackfin/include/asm/fixed_code.h')
| -rw-r--r-- | arch/blackfin/include/asm/fixed_code.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/fixed_code.h b/arch/blackfin/include/asm/fixed_code.h new file mode 100644 index 00000000..73fe53e7 --- /dev/null +++ b/arch/blackfin/include/asm/fixed_code.h @@ -0,0 +1,52 @@ +/* + * This file defines the fixed addresses where userspace programs + * can find atomic code sequences. + * + * Copyright 2007-2008 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#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 + +#define ATOMIC_SEQS_START 0x410 + +#define ATOMIC_XCHG32 0x410 +#define ATOMIC_CAS32 0x420 +#define ATOMIC_ADD32 0x430 +#define ATOMIC_SUB32 0x440 +#define ATOMIC_IOR32 0x450 +#define ATOMIC_AND32 0x460 +#define ATOMIC_XOR32 0x470 + +#define ATOMIC_SEQS_END 0x480 + +#define SAFE_USER_INSTRUCTION 0x480 + +#define FIXED_CODE_END 0x490 + +#endif |