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-rw-r--r--hw/xfree86/os-support/misc/PortIO.S57
1 files changed, 57 insertions, 0 deletions
diff --git a/hw/xfree86/os-support/misc/PortIO.S b/hw/xfree86/os-support/misc/PortIO.S
new file mode 100644
index 000000000..61aac6b89
--- /dev/null
+++ b/hw/xfree86/os-support/misc/PortIO.S
@@ -0,0 +1,57 @@
+/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/misc/PortIO.S,v 1.1 2004/02/02 03:55:32 dawes Exp $ */
+
+/* Port I/O functions for platforms with no inlining. */
+
+#include "assyntax.h"
+
+ FILE("PortIO.s")
+
+ AS_BEGIN
+
+ GLOBL GLNAME(outb)
+ GLOBL GLNAME(outw)
+ GLOBL GLNAME(outl)
+ GLOBL GLNAME(inb)
+ GLOBL GLNAME(inw)
+ GLOBL GLNAME(inl)
+
+ SEG_TEXT
+ ALIGNTEXT4
+GLNAME(outb):
+ MOV_L (REGOFF(4,ESP), EDX)
+ MOV_L (REGOFF(8,ESP), EAX)
+ OUT_B
+ RET
+
+ ALIGNTEXT4
+GLNAME(outw):
+ MOV_L (REGOFF(4,ESP), EDX)
+ MOV_L (REGOFF(8,ESP), EAX)
+ OUT_W
+ RET
+
+ ALIGNTEXT4
+GLNAME(outl):
+ MOV_L (REGOFF(4,ESP), EDX)
+ MOV_L (REGOFF(8,ESP), EAX)
+ OUT_L
+ RET
+
+ ALIGNTEXT4
+GLNAME(inb):
+ MOV_L (REGOFF(4,ESP), EDX)
+ IN_B
+ RET
+
+ ALIGNTEXT4
+GLNAME(inw):
+ MOV_L (REGOFF(4,ESP), EDX)
+ IN_L
+ RET
+
+ ALIGNTEXT4
+GLNAME(inl):
+ MOV_L (REGOFF(4,ESP), EDX)
+ IN_L
+ RET
+