Initial drop

Add some riscv code

Signed-off-by: Carlos Maiolino <[email protected]>

1 files changed, 28 insertions, 0 deletions

diff --git a/riscv/riscv-probe/libfemto/drivers/sifive_test.c b/riscv/riscv-probe/libfemto/drivers/sifive_test.c
new file mode 100644
index 0000000..1bda9e9
--- /dev/null
+++ b/riscv/riscv-probe/libfemto/drivers/sifive_test.c
@@ -0,0 +1,28 @@
+// 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
+};