diff options
Diffstat (limited to 'arch/blackfin/kernel/fixed_code.S')
| -rw-r--r-- | arch/blackfin/kernel/fixed_code.S | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/arch/blackfin/kernel/fixed_code.S b/arch/blackfin/kernel/fixed_code.S index 90262691b11..0565917f23b 100644 --- a/arch/blackfin/kernel/fixed_code.S +++ b/arch/blackfin/kernel/fixed_code.S @@ -1,17 +1,24 @@ /* * This file contains sequences of code that will be copied to a - * fixed location, defined in <asm/atomic_seq.h>. The interrupt + * fixed location, defined in <asm/fixed_code.h>. The interrupt * handlers ensure that these sequences appear to be atomic when * executed from userspace. * These are aligned to 16 bytes, so that we have some space to replace * these sequences with something else (e.g. kernel traps if we ever do * BF561 SMP). + * + * Copyright 2007-2008 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. */ + #include <linux/linkage.h> +#include <linux/init.h> #include <linux/unistd.h> #include <asm/entry.h> -.text +__INIT + ENTRY(_fixed_code_start) .align 16 @@ -101,9 +108,9 @@ ENDPROC (_atomic_ior32) .align 16 /* - * Atomic ior, 32 bit. + * Atomic and, 32 bit. * Inputs: P0: memory address to use - * R0: value to ior + * R0: value to and * Outputs: R0: new contents of the memory address. * R1: previous contents of the memory address. */ @@ -112,13 +119,13 @@ ENTRY(_atomic_and32) R0 = R1 & R0; [P0] = R0; rts; -ENDPROC (_atomic_ior32) +ENDPROC (_atomic_and32) .align 16 /* - * Atomic ior, 32 bit. + * Atomic xor, 32 bit. * Inputs: P0: memory address to use - * R0: value to ior + * R0: value to xor * Outputs: R0: new contents of the memory address. * R1: previous contents of the memory address. */ @@ -127,7 +134,7 @@ ENTRY(_atomic_xor32) R0 = R1 ^ R0; [P0] = R0; rts; -ENDPROC (_atomic_ior32) +ENDPROC (_atomic_xor32) .align 16 /* @@ -144,3 +151,5 @@ ENTRY(_safe_user_instruction) ENDPROC(_safe_user_instruction) ENTRY(_fixed_code_end) + +__FINIT |