litex/software/memtest/main.c

83 lines
1.8 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <irq.h>
#include <uart.h>
#include <time.h>
#include <hw/csr.h>
#include <hw/flags.h>
#include <console.h>
static void membw_service(void)
{
static int last_event;
unsigned long long int nr, nw;
unsigned long long int f;
unsigned int rdb, wrb;
if(elapsed(&last_event, identifier_frequency_read())) {
lasmicon_bandwidth_update_write(1);
nr = lasmicon_bandwidth_nreads_read();
nw = lasmicon_bandwidth_nwrites_read();
f = identifier_frequency_read();
rdb = nr*f >> (24 - 7);
wrb = nw*f >> (24 - 7);
printf("read:%4dMbps write:%4dMbps all:%4dMbps\n", rdb/1000000, wrb/1000000, (rdb + wrb)/1000000);
}
}
static void memtest_service(void)
{
static unsigned int test_buffer[64*1024*1024/4] __attribute__((aligned(16)));
static unsigned char reading;
//int i;
if(reading) {
if(!memtest_w_busy_read()) {
//printf("starting read\n");
/*for(i=0;i<64;i++) {
printf("%08x", test_buffer[i]);
if((i % 4) == 3)
printf("\n");
}*/
memtest_r_reset_write(1);
memtest_r_base_write((unsigned int)test_buffer);
memtest_r_length_write(sizeof(test_buffer));
memtest_r_shoot_write(1);
reading = 0;
}
} else {
if(!memtest_r_busy_read()) {
printf("err=%d\n", memtest_r_error_count_read());
memtest_w_reset_write(1);
memtest_w_base_write((unsigned int)test_buffer);
memtest_w_length_write(sizeof(test_buffer));
memtest_w_shoot_write(1);
reading = 1;
}
}
}
int main(void)
{
irq_setmask(0);
irq_setie(1);
uart_init();
puts("Memory testing software built "__DATE__" "__TIME__"\n");
if((memtest_w_magic_read() != 0x361f) || (memtest_r_magic_read() != 0x361f)) {
printf("Memory test cores not detected\n");
while(1);
}
time_init();
while(1) {
memtest_service();
membw_service();
}
return 0;
}