56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
#include <stdint.h>
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#include <stdio.h>
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#include <unistd.h>
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#include "platform.h"
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#include "encoding.h"
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#define IOF_ENABLE_TERMINAL (0x30000)
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int factorial(int i){
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volatile int result = 1;
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for (int ii = 1; ii <= i; ii++) {
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result = result * ii;
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}
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return result;
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}
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int main()
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{
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GPIO_REG(GPIO_IOF_EN) |= IOF_ENABLE_TERMINAL; // enable GPIO connection to the terminal
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int hartid = read_csr(0xf14); // CSR_MHARTID
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int target_mem_base = 0x90000000;
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int local_mem_base = 0x80000000;
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if (hartid == 0) {
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int val_a = 5;
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int val_b = 0xA;
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*(int *)target_mem_base = val_a;
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*(int *)(target_mem_base+4) = val_b;
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printf("HW thread ID %d: write value A=0x%x and value B=0x%x to thread 1\n", hartid, val_a, val_b);
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}
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int result = factorial (10);
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printf("HW thread ID %d: spend some time calculating factorial of 10=0x%x\n", hartid, result);
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if (hartid == 1) {
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int val_a = *(int *)local_mem_base;
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int val_b = *(int *)(local_mem_base+4);
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int sum = val_a + val_b;
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if (sum == 0xF)
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printf("HW thread ID %d: sum of A+B=0x%x\n", hartid, sum);
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else {
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printf("HW thread ID %d: sum of A+B is not 0x%x. Test FAILED!!!\n", hartid, sum);
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return 1;
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}
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}
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printf("End of execution");
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return 0;
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}
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