Files
chipyard/tests/streaming-passthrough.c
2022-12-21 15:59:46 -08:00

50 lines
1.1 KiB
C

#define PASSTHROUGH_WRITE 0x2200
#define PASSTHROUGH_WRITE_COUNT 0x2208
#define PASSTHROUGH_READ 0x2300
#define PASSTHROUGH_READ_COUNT 0x2308
#include "mmio.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
int main(void)
{
printf("Starting writing\n");
uint32_t test_vector[7] = {3, 2, 1, 0, -1, -2, -3} ;
for (int i = 0; i < 7; i++) {
reg_write64(PASSTHROUGH_WRITE, test_vector[i]);
}
printf("Done writing\n");
uint32_t rcnt = reg_read32(PASSTHROUGH_READ_COUNT);
printf("Write count: %d\n", reg_read32(PASSTHROUGH_WRITE_COUNT));
printf("Read count: %d\n", rcnt);
int failed = 0;
if (rcnt != 0) {
for (int i = 0; i < 7; i++) {
uint32_t res = reg_read32(PASSTHROUGH_READ);
uint32_t expected = test_vector[i];
if (res == expected) {
printf("\n\nPass: Got %d Expected %d\n\n", res, test_vector[i]);
} else {
failed = 1;
printf("\n\nFail: Got %d Expected %d\n\n", res, test_vector[i]);
}
}
} else {
failed = 1;
}
if (failed) {
printf("\n\nSome tests failed\n\n");
} else {
printf("\n\nAll tests passed\n\n");
}
return 0;
}