1 files changed, 51 insertions, 10 deletions
diff --git a/src/kernel/util.h b/src/kernel/util.h
index e02c819..243541c 100644
--- a/src/kernel/util.h
+++ b/src/kernel/util.h
@@ -1,13 +1,54 @@
+#ifndef UTIL_H
+#define UTIL_H
+
 #include <stdint.h>
+#include "drive.h"
+
+static inline void outb(uint16_t port, uint8_t value) {
+  asm (
+    "outb %0, %1"
+  : : "a"(value), "Nd"(port));
+}
+static inline uint8_t inb(uint16_t port) {
+  uint8_t value;
+  asm volatile (
+    "inb %1, %0"
+  : "=a"(value) : "Nd"(port));
+  return value;
+}
+static inline void outw(uint16_t port, uint16_t value) {
+  asm (
+    "outw %0, %1"
+  : : "a"(value), "Nd"(port));
+}
+static inline uint16_t inw(uint16_t port) {
+  uint16_t value;
+  asm volatile (
+    "inw %1, %0"
+  : "=a"(value) : "Nd"(port));
+  return value;
+}
+static inline void outd(uint16_t port, uint32_t value) {
+  asm (
+    "outl %0, %1"
+  : : "a"(value), "Nd"(port));
+}
+static inline uint32_t ind(uint16_t port) {
+  uint32_t value;
+  asm volatile (
+    "inl %1, %0"
+  : "=a"(value) : "Nd"(port));
+  return value;
+}
 
 void memcpy(void *to, void *from, uint32_t n);
-void outb(uint16_t port, uint8_t value);
-uint8_t inb(uint16_t port);
-void outw(uint16_t port, uint16_t value);
-uint16_t inw(uint16_t port);
-void u32_dec(uint32_t n, uint8_t *b);
-void u16_dec(uint16_t n, uint8_t *b);
-void u8_dec(uint8_t n, uint8_t *b);
-void u32_hex(uint32_t n, uint8_t *b);
-void u16_hex(uint16_t n, uint8_t *b);
-void u8_hex(uint8_t n, uint8_t *b);
-\ No newline at end of file
+void fmcpy(void *to, struct drive *d, drive_file_id_t f, uint32_t from, uint32_t n);
+
+void u32_dec(uint32_t n, char *b);
+void u16_dec(uint16_t n, char *b);
+void u8_dec(uint8_t n, char *b);
+void u32_hex(uint32_t n, char *b);
+void u16_hex(uint16_t n, char *b);
+void u8_hex(uint8_t n, char *b);
+
+#endif
+\ No newline at end of file