diff options
Diffstat (limited to 'core/arch/arm32/tee/entry.c')
| -rw-r--r-- | core/arch/arm32/tee/entry.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/core/arch/arm32/tee/entry.c b/core/arch/arm32/tee/entry.c index 59ce594..e3ed6dd 100644 --- a/core/arch/arm32/tee/entry.c +++ b/core/arch/arm32/tee/entry.c @@ -317,6 +317,27 @@ static void entry_cancel(struct thread_smc_args *args, } +#ifdef CFG_TEE_TRACE_PERFORMANCE + +static inline void print_cntvct_with_message(uint32_t cmd __unused, + const char *msg __unused) +{ + uint32_t cntvct_low, cntvct_high; + + __asm__ volatile("mrrc p15, 1, %0, %1, c14" + : "=r"(cntvct_low), "=r"(cntvct_high)); + + MSG("%s, cmd=%d, cntvct=0x%x%08x", msg, cmd, cntvct_high, cntvct_low); +} + +#else + +static inline void print_cntvct_with_message(uint32_t cmd __unused, + const char *msg __unused) +{ +} + +#endif static void tee_entry_call_with_arg(struct thread_smc_args *args) { @@ -351,6 +372,8 @@ static void tee_entry_call_with_arg(struct thread_smc_args *args) } if (args->a0 == TEESMC32_CALL_WITH_ARG) { + print_cntvct_with_message(arg32->cmd, + "TEECore: receiving smc call"); switch (arg32->cmd) { case TEESMC_CMD_OPEN_SESSION: entry_open_session(args, arg32, num_params); @@ -368,6 +391,8 @@ static void tee_entry_call_with_arg(struct thread_smc_args *args) EMSG("Unknown cmd 0x%x\n", arg32->cmd); args->a0 = TEESMC_RETURN_EBADCMD; } + print_cntvct_with_message(arg32->cmd, + "TEECore: finish smc call"); } else { EMSG("Unknown fastcall cmd 0x%x\n", arg32->cmd); args->a0 = TEESMC_RETURN_EBADCMD; |