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-rw-r--r--sys/src/9/pc/apmjump.s15
1 files changed, 1 insertions, 14 deletions
diff --git a/sys/src/9/pc/apmjump.s b/sys/src/9/pc/apmjump.s
index 6dbd19d0b..e696bcfb6 100644
--- a/sys/src/9/pc/apmjump.s
+++ b/sys/src/9/pc/apmjump.s
@@ -9,19 +9,9 @@
#define SSOVERRIDE BYTE $0x36
#define CSOVERRIDE BYTE $0x2E
-#define RETF BYTE $0xCB
GLOBL apmjumpstruct+0(SB), $8
-TEXT fortytwo(SB), $0
- MOVL $42, AX
- RETF
-
-TEXT getcs(SB), $0
- PUSHL CS
- POPL AX
- RET
-
TEXT apmfarcall(SB), $0
/*
* We call push and pop ourselves.
@@ -52,6 +42,7 @@ TEXT apmfarcall(SB), $0
* paranoia: zero the segments, since it's the
* BIOS's responsibility to initialize them.
* (trick picked up from Linux driver).
+ */
PUSHL DX
XORL DX, DX
PUSHL DX
@@ -63,10 +54,6 @@ TEXT apmfarcall(SB), $0
PUSHL DX
POPL GS
POPL DX
- */
-
- PUSHL $APMDSEG
- POPL DS
/*
* The actual call.