Improved readability and new stuffs

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@4165 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 68 insertions, 0 deletions

diff --git a/libdha/sysdep/AsmMacros_x86.h b/libdha/sysdep/AsmMacros_x86.h
new file mode 100644
index 0000000000..9b9719c17a
--- /dev/null
+++ b/libdha/sysdep/AsmMacros_x86.h
@@ -0,0 +1,68 @@
+/*
+   This file is based on:
+   $XFree86: xc/programs/Xserver/hw/xfree86/drivers/chips/util/AsmMacros.h,v 1.1 2001/11/16 21:13:34 tsi Exp $
+   Modified for readability by Nick Kurshev
+*/
+
+#ifndef __ASM_MACROS_X86_H
+#define __ASM_MACROS_X86_H
+
+#if defined (WINNT)
+#error This stuff is not ported on your system
+#else
+
+static __inline__ void outb(short port,char val)
+{
+   __asm__ __volatile__("outb %0,%1" : :"a" (val), "d" (port));
+}
+
+static __inline__ void outw(short port,short val)
+{
+   __asm__ __volatile__("outw %0,%1" : :"a" (val), "d" (port));
+}
+
+static __inline__ void outl(short port,unsigned int val)
+{
+   __asm__ __volatile__("outl %0,%1" : :"a" (val), "d" (port));
+}
+
+static __inline__ unsigned int inb(short port)
+{
+   unsigned char ret;
+   __asm__ __volatile__("inb %1,%0" :
+       "=a" (ret) :
+       "d" (port));
+   return ret;
+}
+
+static __inline__ unsigned int inw(short port)
+{
+   unsigned short ret;
+   __asm__ __volatile__("inw %1,%0" :
+       "=a" (ret) :
+       "d" (port));
+   return ret;
+}
+
+static __inline__ unsigned int inl(short port)
+{
+   unsigned int ret;
+   __asm__ __volatile__("inl %1,%0" :
+       "=a" (ret) :
+       "d" (port));
+   return ret;
+}
+
+static __inline__ void intr_disable()
+{
+  __asm__ __volatile__("cli");
+}
+
+static __inline__ void intr_enable()
+{
+  __asm__ __volatile__("sti");
+}
+
+#endif
+
+#endif