Add some basic fat32 code

2023-12-03 23:27:45 -08:00
parent 184c58b962
commit 5c74d161d4
11 changed files with 326 additions and 7 deletions
--- a/sw/kernel/devices/multiplier.h
+++ b/sw/kernel/devices/multiplier.h
@@ -0,0 +1,12 @@
+#ifndef _MULTIPLER_H
+#define _MULTIPLER_H
+
+#include <stdint.h>
+
+/* Multiply 2 integers into 1 long */
+uint32_t lmulii(uint16_t a, uint16_t b);
+
+/* Multiply 2 integers into 1 integer, discarding upper bits. */
+uint16_t imulii(uint16_t a, uint16_t b);
+
+#endif