1 files changed, 40 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/memdump/io.h b/contrib/syslinux-4.02/memdump/io.h
new file mode 100644
index 0000000..e5e3745
--- /dev/null
+++ b/contrib/syslinux-4.02/memdump/io.h
@@ -0,0 +1,40 @@
+#ifndef IO_H
+#define IO_H
+
+static inline void outb(unsigned char v, unsigned short p)
+{
+    asm volatile ("outb %1,%0"::"d" (p), "a"(v));
+}
+
+static inline unsigned char inb(unsigned short p)
+{
+    unsigned char v;
+    asm volatile ("inb %1,%0":"=a" (v):"d"(p));
+    return v;
+}
+
+static inline void outw(unsigned short v, unsigned short p)
+{
+    asm volatile ("outw %1,%0"::"d" (p), "a"(v));
+}
+
+static inline unsigned short inw(unsigned short p)
+{
+    unsigned short v;
+    asm volatile ("inw %1,%0":"=a" (v):"d"(p));
+    return v;
+}
+
+static inline void outl(unsigned int v, unsigned short p)
+{
+    asm volatile ("outl %1,%0"::"d" (p), "a"(v));
+}
+
+static inline unsigned int inl(unsigned short p)
+{
+    unsigned int v;
+    asm volatile ("inl %1,%0":"=a" (v):"d"(p));
+    return v;
+}
+
+#endif