Robin Getz | 669b792 | 2007-06-21 16:34:08 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Common header file for blackfin family of processors. |
| 3 | * |
| 4 | */ |
| 5 | |
| 6 | #ifndef _BLACKFIN_TRACE_ |
| 7 | #define _BLACKFIN_TRACE_ |
| 8 | |
| 9 | #ifndef __ASSEMBLY__ |
| 10 | /* Trace Macros for C files */ |
| 11 | |
| 12 | #define trace_buffer_save(x) \ |
| 13 | do { \ |
| 14 | (x) = bfin_read_TBUFCTL(); \ |
| 15 | bfin_write_TBUFCTL((x) & ~TBUFEN); \ |
| 16 | } while (0) |
| 17 | |
| 18 | #define trace_buffer_restore(x) \ |
| 19 | do { \ |
| 20 | bfin_write_TBUFCTL((x)); \ |
| 21 | } while (0) |
| 22 | |
| 23 | #else |
| 24 | /* Trace Macros for Assembly files */ |
| 25 | |
| 26 | #define TRACE_BUFFER_START(preg, dreg) trace_buffer_start(preg, dreg) |
| 27 | #define TRACE_BUFFER_STOP(preg, dreg) trace_buffer_stop(preg, dreg) |
| 28 | |
| 29 | #define trace_buffer_stop(preg, dreg) \ |
| 30 | preg.L = LO(TBUFCTL); \ |
| 31 | preg.H = HI(TBUFCTL); \ |
| 32 | dreg = 0x1; \ |
| 33 | [preg] = dreg; |
| 34 | |
| 35 | #define trace_buffer_start(preg, dreg) \ |
| 36 | preg.L = LO(TBUFCTL); \ |
| 37 | preg.H = HI(TBUFCTL); \ |
| 38 | dreg = 0x13; \ |
| 39 | [preg] = dreg; |
| 40 | |
| 41 | #ifdef CONFIG_DEBUG_BFIN_NO_KERN_HWTRACE |
| 42 | # define DEBUG_START_HWTRACE(preg, dreg) trace_buffer_start(preg, dreg) |
| 43 | # define DEBUG_STOP_HWTRACE(preg, dreg) trace_buffer_stop(preg, dreg) |
| 44 | |
| 45 | #else |
| 46 | # define DEBUG_START_HWTRACE(preg, dreg) |
| 47 | # define DEBUG_STOP_HWTRACE(preg, dreg) |
| 48 | #endif |
| 49 | |
| 50 | #endif /* __ASSEMBLY__ */ |
| 51 | |
| 52 | #endif /* _BLACKFIN_TRACE_ */ |