diff options
Diffstat (limited to 'include/asm-blackfin')
| -rw-r--r-- | include/asm-blackfin/trace.h | 35 |
1 files changed, 20 insertions, 15 deletions
diff --git a/include/asm-blackfin/trace.h b/include/asm-blackfin/trace.h index 6313aace9d5..ef18afbc210 100644 --- a/include/asm-blackfin/trace.h +++ b/include/asm-blackfin/trace.h @@ -46,42 +46,47 @@ extern unsigned long software_trace_buff[]; #ifdef CONFIG_DEBUG_BFIN_HWTRACE_ON -#define TRACE_BUFFER_START(preg, dreg) trace_buffer_start(preg, dreg) -#define TRACE_BUFFER_STOP(preg, dreg) trace_buffer_stop(preg, dreg) - #define trace_buffer_stop(preg, dreg) \ preg.L = LO(TBUFCTL); \ preg.H = HI(TBUFCTL); \ dreg = 0x1; \ [preg] = dreg; -#define trace_buffer_start(preg, dreg) \ - preg.L = LO(TBUFCTL); \ - preg.H = HI(TBUFCTL); \ - dreg = BFIN_TRACE_ON; \ - [preg] = dreg; - #define trace_buffer_init(preg, dreg) \ preg.L = LO(TBUFCTL); \ preg.H = HI(TBUFCTL); \ dreg = BFIN_TRACE_INIT; \ [preg] = dreg; +#define trace_buffer_save(preg, dreg) \ + preg.L = LO(TBUFCTL); \ + preg.H = HI(TBUFCTL); \ + dreg = [preg]; \ + [sp++] = dreg; \ + dreg = 0x1; \ + [preg] = dreg; + +#define trace_buffer_restore(preg, dreg) \ + preg.L = LO(TBUFCTL); \ + preg.H = HI(TBUFCTL); \ + dreg = [sp--]; \ + [preg] = dreg; + #else /* CONFIG_DEBUG_BFIN_HWTRACE_ON */ #define trace_buffer_stop(preg, dreg) -#define trace_buffer_start(preg, dreg) #define trace_buffer_init(preg, dreg) +#define trace_buffer_save(preg, dreg) +#define trace_buffer_restore(preg, dreg) #endif /* CONFIG_DEBUG_BFIN_HWTRACE_ON */ #ifdef CONFIG_DEBUG_BFIN_NO_KERN_HWTRACE -# define DEBUG_START_HWTRACE(preg, dreg) trace_buffer_start(preg, dreg) -# define DEBUG_STOP_HWTRACE(preg, dreg) trace_buffer_stop(preg, dreg) - +# define DEBUG_HWTRACE_SAVE(preg, dreg) trace_buffer_save(preg, dreg) +# define DEBUG_HWTRACE_RESTORE(preg, dreg) trace_buffer_restore(preg, dreg) #else -# define DEBUG_START_HWTRACE(preg, dreg) -# define DEBUG_STOP_HWTRACE(preg, dreg) +# define DEBUG_HWTRACE_SAVE(preg, dreg) +# define DEBUG_HWTRACE_RESTORE(preg, dreg) #endif #endif /* __ASSEMBLY__ */ |