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[src/trunk]: src/sys/arch/amd64/amd64 Do not use movq for loadin...
details: https://anonhg.NetBSD.org/src/rev/51e58bd5c012
branches: trunk
changeset: 318413:51e58bd5c012
user: joerg <joerg%NetBSD.org@localhost>
date: Sat Apr 21 23:25:01 2018 +0000
description:
Do not use movq for loading arbitrary 64bit immediates. The ISA
restricts it to 32bit immediates.
diffstat:
sys/arch/amd64/amd64/locore.S | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diffs (27 lines):
diff -r cddc1711a983 -r 51e58bd5c012 sys/arch/amd64/amd64/locore.S
--- a/sys/arch/amd64/amd64/locore.S Sat Apr 21 23:01:29 2018 +0000
+++ b/sys/arch/amd64/amd64/locore.S Sat Apr 21 23:25:01 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: locore.S,v 1.163 2018/03/30 09:53:08 maxv Exp $ */
+/* $NetBSD: locore.S,v 1.164 2018/04/21 23:25:01 joerg Exp $ */
/*
* Copyright-o-rama!
@@ -1616,7 +1616,7 @@
.globl nosvs_leave_altstack, nosvs_leave_altstack_end
LABEL(svs_enter)
- movq SVS_UTLS+UTLS_KPDIRPA,%rax
+ movabs SVS_UTLS+UTLS_KPDIRPA,%rax
movq %rax,%cr3
movq CPUVAR(KRSP0),%rsp
LABEL(svs_enter_end)
@@ -1624,7 +1624,7 @@
LABEL(svs_enter_altstack)
testb $SEL_UPL,TF_CS(%rsp)
jz 1234f
- movq SVS_UTLS+UTLS_KPDIRPA,%rax
+ movabs SVS_UTLS+UTLS_KPDIRPA,%rax
movq %rax,%cr3
1234:
LABEL(svs_enter_altstack_end)
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