1 files changed, 42 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/com32/include/sys/io.h b/contrib/syslinux-4.02/com32/include/sys/io.h
new file mode 100644
index 0000000..96f8960
--- /dev/null
+++ b/contrib/syslinux-4.02/com32/include/sys/io.h
@@ -0,0 +1,42 @@
+#ifndef _SYS_IO_H
+#define _SYS_IO_H
+
+#include <inttypes.h>
+
+static inline uint8_t inb(uint16_t p)
+{
+    uint8_t v;
+    asm volatile ("inb %1,%0":"=a" (v):"Nd"(p));
+    return v;
+}
+
+static inline uint16_t inw(uint16_t p)
+{
+    uint16_t v;
+    asm volatile ("inw %1,%0":"=a" (v):"Nd"(p));
+    return v;
+}
+
+static inline uint32_t inl(uint16_t p)
+{
+    uint32_t v;
+    asm volatile ("inl %1,%0":"=a" (v):"Nd"(p));
+    return v;
+}
+
+static inline void outb(uint8_t v, uint16_t p)
+{
+    asm volatile ("outb %0,%1"::"a" (v), "Nd"(p));
+}
+
+static inline void outw(uint16_t v, uint16_t p)
+{
+    asm volatile ("outw %0,%1"::"a" (v), "Nd"(p));
+}
+
+static inline void outl(uint32_t v, uint16_t p)
+{
+    asm volatile ("outl %0,%1"::"a" (v), "Nd"(p));
+}
+
+#endif /* _SYS_IO_H */