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add __perfc_sync_barrier__();

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This commit is contained in:
Gabriel Wang 2024-07-06 07:19:50 +01:00
parent e22be687f6
commit 4008b11d0c
4 changed files with 25 additions and 1 deletions
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1
perf_counter.c
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@ -146,6 +146,7 @@ void update_perf_counter(void)
__IRQ_SAFE { __IRQ_SAFE {
g_lLastTimeStamp = get_system_ticks(); g_lLastTimeStamp = get_system_ticks();
__perfc_sync_barrier__();
g_nOffset = get_system_ticks() - g_lLastTimeStamp; g_nOffset = get_system_ticks() - g_lLastTimeStamp;
} }
} }

15
perf_counter.h
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@ -333,6 +333,17 @@ __super_loop_monitor__()
__asm(".global __ensure_systick_wrapper\n\t"); __asm(".global __ensure_systick_wrapper\n\t");
# endif # endif
#ifndef __perfc_sync_barrier__
/* default implementation */
#if defined(__clang__) || __IS_COMPILER_GCC__
# define __perfc_sync_barrier__(...) __sync_synchronize()
#else
# define __perfc_sync_barrier__(...)
#endif
#endif
#endif #endif
/*! @} */ /*! @} */
@ -358,7 +369,9 @@ __asm(".global __ensure_systick_wrapper\n\t");
*/ */
#define __cycleof__(__STR, ...) \ #define __cycleof__(__STR, ...) \
using(int64_t _ = get_system_ticks(), __cycle_count__ = _, \ using(int64_t _ = get_system_ticks(), __cycle_count__ = _, \
_=_, { \ {__perfc_sync_barrier__();}, \
{ \
__perfc_sync_barrier__(); \
_ = get_system_ticks() - _ - g_nOffset; \ _ = get_system_ticks() - _ - g_nOffset; \
__cycle_count__ = _; \ __cycle_count__ = _; \
if (__PLOOC_VA_NUM_ARGS(__VA_ARGS__) == 0) { \ if (__PLOOC_VA_NUM_ARGS(__VA_ARGS__) == 0) { \

5
perfc_port_default.h
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@ -27,6 +27,11 @@
/*============================ MACROS ========================================*/ /*============================ MACROS ========================================*/
/*============================ MACROFIED FUNCTIONS ===========================*/ /*============================ MACROFIED FUNCTIONS ===========================*/
#ifndef __perfc_sync_barrier__
# define __perfc_sync_barrier__(...) do {__DSB();__ISB();} while(0)
#endif
/*============================ TYPES =========================================*/ /*============================ TYPES =========================================*/
typedef uint32_t perfc_global_interrupt_status_t; typedef uint32_t perfc_global_interrupt_status_t;

5
perfc_port_pmu.h
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@ -23,6 +23,11 @@
/*============================ MACROS ========================================*/ /*============================ MACROS ========================================*/
/*============================ MACROFIED FUNCTIONS ===========================*/ /*============================ MACROFIED FUNCTIONS ===========================*/
#ifndef __perfc_sync_barrier__
# define __perfc_sync_barrier__(...) do {__DSB();__ISB();} while(0)
#endif
#define __cpu_perf__(__str, ...) \ #define __cpu_perf__(__str, ...) \
using( \ using( \
struct { \ struct { \