Import of Linux/MIPS 1.3.0

1 files changed, 24 insertions, 0 deletions

diff --git a/include/asm-m68k/io.h b/include/asm-m68k/io.h
new file mode 100644
index 000000000..0cde22fd3
--- /dev/null
+++ b/include/asm-m68k/io.h
@@ -0,0 +1,24 @@
+#ifndef _M68K_IO_H
+#define _M68K_IO_H
+
+static inline unsigned char get_user_byte_io(const char * addr)
+{
+	register unsigned char _v;
+
+	__asm__ __volatile__ ("moveb %1,%0":"=r" (_v):"m" (*addr));
+	return _v;
+}
+#define inb_p(addr) get_user_byte_io((char *)(addr))
+#define inb(addr) get_user_byte_io((char *)(addr))
+
+static inline void put_user_byte_io(char val,char *addr)
+{
+	__asm__ __volatile__ ("moveb %0,%1"
+			      : /* no outputs */
+			      :"r" (val),"m" (*addr)
+			      : "memory");
+}
+#define outb_p(x,addr) put_user_byte_io((x),(char *)(addr))
+#define outb(x,addr) put_user_byte_io((x),(char *)(addr))
+
+#endif /* _M68K_IO_H */