| Adrian Bunk | 7e02cb9 | 2007-10-17 18:04:38 +0200 | [diff] [blame] | 1 | #ifdef __ASSEMBLY__ |
| 2 | |
| Jan Beulich | 99063c0 | 2009-11-27 15:06:16 +0000 | [diff] [blame] | 3 | #include <asm/asm.h> |
| Adrian Bunk | 7e02cb9 | 2007-10-17 18:04:38 +0200 | [diff] [blame] | 4 | |
| 5 | #ifdef CONFIG_SMP |
| 6 | .macro LOCK_PREFIX |
| 7 | 1: lock |
| 8 | .section .smp_locks,"a" |
| Jan Beulich | 5967ed8 | 2010-04-21 16:08:14 +0100 | [diff] [blame] | 9 | .balign 4 |
| 10 | .long 1b - . |
| Adrian Bunk | 7e02cb9 | 2007-10-17 18:04:38 +0200 | [diff] [blame] | 11 | .previous |
| 12 | .endm |
| 13 | #else |
| 14 | .macro LOCK_PREFIX |
| 15 | .endm |
| 16 | #endif |
| 17 | |
| Fenghua Yu | 9072d11 | 2011-05-17 15:29:13 -0700 | [diff] [blame^] | 18 | .macro altinstruction_entry orig alt feature orig_len alt_len |
| 19 | .align 8 |
| 20 | .quad \orig |
| 21 | .quad \alt |
| 22 | .word \feature |
| 23 | .byte \orig_len |
| 24 | .byte \alt_len |
| 25 | .endm |
| 26 | |
| Adrian Bunk | 7e02cb9 | 2007-10-17 18:04:38 +0200 | [diff] [blame] | 27 | #endif /* __ASSEMBLY__ */ |