1 files changed, 46 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 000000000000..32c4d495d847
--- /dev/null
+++ b/arch/blackfin/include/asm/fixed_code.h
@@ -0,0 +1,46 @@
+/* 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
+
+#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