26 lines
511 B
C
26 lines
511 B
C
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#include "tb_cxxrtl_io.h"
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#include <stdint.h>
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volatile uint32_t scratch[2];
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#define test_assert(cond, ...) if (!(cond)) {tb_printf(__VA_ARGS__); return -1;}
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int main() {
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scratch[0] = 0;
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tb_puts("Initial value: 0\n");
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for (int i = 1; i <= 10; ++i) {
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uint32_t fetched;
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asm volatile (
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"amoadd.w %0, %1, (%2)\n"
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: "=r" (fetched)
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: "r" (i), "r" (&scratch[0])
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);
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tb_printf("amoadd.w rd, %d, (&addr) -> fetched %d\n", i, fetched);
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}
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tb_printf("Final value: %d\n", scratch[0]);
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return 0;
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}
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