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- /*
- * 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
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