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test tracing over JTAG

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Ivan Grokhotkov 2017-01-16 00:42:10 +08:00 committed by Alexey Gerenkov
parent 0ea4c3c06b
commit 3ac080fc80
1 changed files with 91 additions and 0 deletions
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components/esp32/test/test_trace.c Normal file
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#include <stddef.h>
#include <stdint.h>
#include <string.h>
#include "unity.h"
#include "soc/soc.h"
#include "soc/dport_reg.h"
#include "eri.h"
#include "trax.h"
#include "freertos/FreeRTOS.h"
#include "freertos/portmacro.h"
#include "freertos/semphr.h"
#include "freertos/task.h"
/**
* Tests for sending trace over JTAG
*
* block 1 as trace memory, block 0 as normal memory
* CPU 0 and 1 write to BLK0 directly
* when watermark is triggered (figure out how):
* disable trace for block 1
* set internal pointer to use block 1
* switch tracemem mux to block 0
*
*/
#define TRACEMEM_MUX_PROBLK0_APPBLK1 0
#define TRACEMEM_MUX_BLK0_ONLY 1
#define TRACEMEM_MUX_BLK1_ONLY 2
#define TRACEMEM_MUX_PROBLK1_APPBLK0 3
static uint8_t* s_tracemem_blocks[] = {
(uint8_t*) 0x3FFF8000,
(uint8_t*) 0x3FFCC000
};
static const size_t TRACEMEM_BLOCK_SIZE = 0x4000;
//static void trace_enable()
//{
// if (which == TRAX_ENA_PRO_APP || which == TRAX_ENA_PRO_APP_SWAP) {
// WRITE_PERI_REG(DPORT_TRACEMEM_MUX_MODE_REG, (which == TRAX_ENA_PRO_APP_SWAP)?TRACEMEM_MUX_PROBLK1_APPBLK0:TRACEMEM_MUX_PROBLK0_APPBLK1);
// } else {
// WRITE_PERI_REG(DPORT_TRACEMEM_MUX_MODE_REG, TRACEMEM_MUX_BLK0_ONLY);
// }
// WRITE_PERI_REG(DPORT_PRO_TRACEMEM_ENA_REG, (which == TRAX_ENA_PRO_APP || which == TRAX_ENA_PRO_APP_SWAP || which == TRAX_ENA_PRO));
// WRITE_PERI_REG(DPORT_APP_TRACEMEM_ENA_REG, (which == TRAX_ENA_PRO_APP || which == TRAX_ENA_PRO_APP_SWAP || which == TRAX_ENA_APP));
//
//}
typedef struct {
int block;
SemaphoreHandle_t done;
} fill_tracemem_arg_t;
static void fill_tracemem(void* p)
{
fill_tracemem_arg_t* arg = (fill_tracemem_arg_t*) p;
int coreId = xPortGetCoreID();
memset(s_tracemem_blocks[arg->block] + coreId * TRACEMEM_BLOCK_SIZE / 2,
(coreId) ? 0xba:0xab, TRACEMEM_BLOCK_SIZE / 2);
xSemaphoreGive(arg->done);
vTaskDelay(1);
vTaskDelete(NULL);
}
TEST_CASE("both CPUs can write to trace block 0", "[trace][ignore]")
{
WRITE_PERI_REG(DPORT_TRACEMEM_MUX_MODE_REG, TRACEMEM_MUX_BLK1_ONLY);
fill_tracemem_arg_t arg1 = {
.block = 0,
.done = xSemaphoreCreateBinary()
};
fill_tracemem_arg_t arg2 = {
.block = 0,
.done = xSemaphoreCreateBinary()
};
xTaskCreatePinnedToCore(&fill_tracemem, "fill1", 2048, &arg1, 3, NULL, 0);
xTaskCreatePinnedToCore(&fill_tracemem, "fill2", 2048, &arg2, 3, NULL, 0);
xSemaphoreTake(arg1.done, 1);
xSemaphoreTake(arg2.done, 1);
WRITE_PERI_REG(DPORT_TRACEMEM_MUX_MODE_REG, TRACEMEM_MUX_BLK0_ONLY);
}