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authorcinap_lenrek <cinap_lenrek@felloff.net>2014-08-18 03:16:11 +0200
committercinap_lenrek <cinap_lenrek@felloff.net>2014-08-18 03:16:11 +0200
commit0d5491fb083510fda1dc3c8a9fa15d45dc0fabcc (patch)
tree13d87b12bcfab011f70e9eedc5522d4c0d66382c /sys
parentf128c6eab00bb4ebb40d0afddf7824e5bc2e179a (diff)
pc, pc64: fix off by one error in _multibootentry
Diffstat (limited to 'sys')
-rw-r--r--sys/src/9/pc/l.s2
-rw-r--r--sys/src/9/pc64/l.s2
2 files changed, 2 insertions, 2 deletions
diff --git a/sys/src/9/pc/l.s b/sys/src/9/pc/l.s
index 0808bd5c2..663107e7a 100644
--- a/sys/src/9/pc/l.s
+++ b/sys/src/9/pc/l.s
@@ -67,9 +67,9 @@ TEXT _multibootentry(SB), $0
SUBL DI, CX
ADDL CX, SI
ADDL CX, DI
+ INCL CX /* one more for post decrement */
STD
REP; MOVSB
- CLD
ADDL $KZERO, BX
MOVL BX, multiboot-KZERO(SB)
MOVL $_startPADDR(SB), AX
diff --git a/sys/src/9/pc64/l.s b/sys/src/9/pc64/l.s
index f4c066a3c..78171a114 100644
--- a/sys/src/9/pc64/l.s
+++ b/sys/src/9/pc64/l.s
@@ -62,9 +62,9 @@ TEXT _multibootentry<>(SB), 1, $-4
SUBL DI, CX
ADDL CX, SI
ADDL CX, DI
+ INCL CX /* one more for post decrement */
STD
REP; MOVSB
- CLD
MOVL BX, multibootptr-KZERO(SB)
MOVL $_protected<>-KZERO(SB), AX
JMP* AX