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esp32: Adds GCOV debug stubs support

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Adds the following functionality
 - Debug stubs infrastructure
 - Stub for retrieveing GCOV data without user source code modification
This commit is contained in:
Alexey Gerenkov
2018-02-15 20:09:03 +03:00
parent f885e8b8de
commit c1b6a37bb1
10 changed files with 437 additions and 73 deletions
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60
components/app_trace/app_trace.c
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@@ -336,6 +336,8 @@ typedef struct {
uint8_t *(*get_down_buffer)(uint32_t *, esp_apptrace_tmo_t *);
esp_err_t (*put_down_buffer)(uint8_t *, esp_apptrace_tmo_t *);
bool (*host_is_connected)(void);
esp_err_t (*status_reg_set)(uint32_t val);
esp_err_t (*status_reg_get)(uint32_t *val);
} esp_apptrace_hw_t;
static uint32_t esp_apptrace_trax_down_buffer_write_nolock(uint8_t *data, uint32_t size);
@@ -345,6 +347,8 @@ static esp_err_t esp_apptrace_trax_put_buffer(uint8_t *ptr, esp_apptrace_tmo_t *
static bool esp_apptrace_trax_host_is_connected(void);
static uint8_t *esp_apptrace_trax_down_buffer_get(uint32_t *size, esp_apptrace_tmo_t *tmo);
static esp_err_t esp_apptrace_trax_down_buffer_put(uint8_t *ptr, esp_apptrace_tmo_t *tmo);
static esp_err_t esp_apptrace_trax_status_reg_set(uint32_t val);
static esp_err_t esp_apptrace_trax_status_reg_get(uint32_t *val);
static esp_apptrace_hw_t s_trace_hw[ESP_APPTRACE_HW_MAX] = {
{
@@ -353,7 +357,9 @@ static esp_apptrace_hw_t s_trace_hw[ESP_APPTRACE_HW_MAX] = {
.flush_up_buffer = esp_apptrace_trax_flush,
.get_down_buffer = esp_apptrace_trax_down_buffer_get,
.put_down_buffer = esp_apptrace_trax_down_buffer_put,
.host_is_connected = esp_apptrace_trax_host_is_connected
.host_is_connected = esp_apptrace_trax_host_is_connected,
.status_reg_set = esp_apptrace_trax_status_reg_set,
.status_reg_get = esp_apptrace_trax_status_reg_get
}
};
@@ -416,6 +422,8 @@ static void esp_apptrace_trax_init()
eri_write(ERI_TRAX_TRAXCTRL, TRAXCTRL_TRSTP);
eri_write(ERI_TRAX_TRAXCTRL, TRAXCTRL_TMEN);
eri_write(ESP_APPTRACE_TRAX_CTRL_REG, ESP_APPTRACE_TRAX_BLOCK_ID(ESP_APPTRACE_TRAX_INBLOCK_START));
// this is for OpenOCD to let him know where stub entries vector is resided
// must be read by host before any transfer using TRAX
eri_write(ESP_APPTRACE_TRAX_STAT_REG, 0);
ESP_APPTRACE_LOGI("Initialized TRAX on CPU%d", xPortGetCoreID());
@@ -828,6 +836,18 @@ static bool esp_apptrace_trax_host_is_connected(void)
return eri_read(ESP_APPTRACE_TRAX_CTRL_REG) & ESP_APPTRACE_TRAX_HOST_CONNECT ? true : false;
}
static esp_err_t esp_apptrace_trax_status_reg_set(uint32_t val)
{
eri_write(ESP_APPTRACE_TRAX_STAT_REG, val);
return ESP_OK;
}
static esp_err_t esp_apptrace_trax_status_reg_get(uint32_t *val)
{
*val = eri_read(ESP_APPTRACE_TRAX_STAT_REG);
return ESP_OK;
}
static esp_err_t esp_apptrace_trax_dest_init()
{
for (int i = 0; i < ESP_APPTRACE_TRAX_BLOCKS_NUM; i++) {
@@ -1159,6 +1179,24 @@ bool esp_apptrace_host_is_connected(esp_apptrace_dest_t dest)
{
esp_apptrace_hw_t *hw = NULL;
if (dest == ESP_APPTRACE_DEST_TRAX) {
#if CONFIG_ESP32_APPTRACE_DEST_TRAX
hw = ESP_APPTRACE_HW(ESP_APPTRACE_HW_TRAX);
#else
ESP_APPTRACE_LOGE("Application tracing via TRAX is disabled in menuconfig!");
return false;
#endif
} else {
ESP_APPTRACE_LOGE("Trace destinations other then TRAX are not supported yet!");
return false;
}
return hw->host_is_connected();
}
esp_err_t esp_apptrace_status_reg_set(esp_apptrace_dest_t dest, uint32_t val)
{
esp_apptrace_hw_t *hw = NULL;
if (dest == ESP_APPTRACE_DEST_TRAX) {
#if CONFIG_ESP32_APPTRACE_DEST_TRAX
hw = ESP_APPTRACE_HW(ESP_APPTRACE_HW_TRAX);
@@ -1170,7 +1208,25 @@ bool esp_apptrace_host_is_connected(esp_apptrace_dest_t dest)
ESP_APPTRACE_LOGE("Trace destinations other then TRAX are not supported yet!");
return ESP_ERR_NOT_SUPPORTED;
}
return hw->host_is_connected();
return hw->status_reg_set(val);
}
esp_err_t esp_apptrace_status_reg_get(esp_apptrace_dest_t dest, uint32_t *val)
{
esp_apptrace_hw_t *hw = NULL;
if (dest == ESP_APPTRACE_DEST_TRAX) {
#if CONFIG_ESP32_APPTRACE_DEST_TRAX
hw = ESP_APPTRACE_HW(ESP_APPTRACE_HW_TRAX);
#else
ESP_APPTRACE_LOGE("Application tracing via TRAX is disabled in menuconfig!");
return ESP_ERR_NOT_SUPPORTED;
#endif
} else {
ESP_APPTRACE_LOGE("Trace destinations other then TRAX are not supported yet!");
return ESP_ERR_NOT_SUPPORTED;
}
return hw->status_reg_get(val);
}
#endif