1 files changed, 11 insertions, 0 deletions
diff --git a/arch/riscv64/kernel/main.c b/arch/riscv64/kernel/main.c
new file mode 100644
index 0000000..9ce256e
--- /dev/null
+++ b/arch/riscv64/kernel/main.c
@@ -0,0 +1,11 @@
+#include <apos/utils.h>
+#include <csr.h>
+
+void arch_setup(void *fdt)
+{
+	UNUSED(fdt);
+	/* allow supervisor code to touch user pages */
+	csr_set(CSR_SSTATUS, SSTATUS_SUM);
+	/* mark that we want to eventually jump to userspace */
+	csr_clear(CSR_SSTATUS, SSTATUS_SPP);
+}