39 lines
996 B
C
39 lines
996 B
C
#include <stdint.h>
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#include <stdio.h>
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#include "main.h"
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#define DDR_BASE 0x1FC00000
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#define DDR_LENGTH 0x100
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xilinx_uartlite_handle_t soc_uart;
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xilinx_gpio_handle_t soc_gpio;
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int main(int argc, char *argv[]) {
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printf("Running on LowRISC Ibex\r\n");
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printf("System core frequency: %ld\r\n", GetCoreClock());
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volatile uint32_t reg_buf = 0;
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__csrr("misa", reg_buf);
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printf("MISA: 0x%08x\r\n", reg_buf);
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__csrr("mhartid", reg_buf);
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printf("MHARTID: 0x%08x\r\n", reg_buf);
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uint32_t previous_tick = GetTick();
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xilinx_gpio_pinmode(&soc_gpio, 1, 1);
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xilinx_gpio_write(&soc_gpio, 1, 0);
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while(1) {
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if(GetTick() - previous_tick >= 500) {
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previous_tick = GetTick();
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xilinx_gpio_toggle(&soc_gpio, 1);
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printf("SysTick: %lu\r\n", GetTick());
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uint64_t cycle = __read_mcycle();
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printf("MCycle: %08lx%08lx\r\n", (uint32_t)(cycle >> 32), cycle & 0xFFFFFFFFU);
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}
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}
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return 0;
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} |