riscv/riscv-probe/libfemto/drivers/sifive_test.c


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// See LICENSE for license details.

#include "femto.h"

enum {
	SIFIVE_TEST_FAIL = 0x3333,
	SIFIVE_TEST_PASS = 0x5555,
};

static volatile uint32_t *test;

static void sifive_test_init()
{
	test = (uint32_t *)(void *)getauxval(SIFIVE_TEST_CTRL_ADDR);
}

static void sifive_test_poweroff(int status)
{
    *test = SIFIVE_TEST_PASS;
    while (1) {
        asm volatile("");
    }
}

poweroff_device_t poweroff_sifive_test = {
	sifive_test_init,
	sifive_test_poweroff
};