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Create a macro for PIC code which loads %cr3 from tramp_idleptd.

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Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Konstantin Belousov 2018-05-12 10:51:50 +00:00
parent 2017ad1e81
commit 6652b9d9ea
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=333523
1 changed files with 5 additions and 1 deletions
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6
sys/i386/include/asmacros.h
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@ -198,11 +198,15 @@
movl %edx, %esp
.endm
.macro MOVE_STACKS
.macro LOAD_KCR3
call 1000f
1000: popl %eax
movl (tramp_idleptd - 1000b)(%eax), %eax
movl %eax, %cr3
.endm
.macro MOVE_STACKS
LOAD_KCR3
NMOVE_STACKS
.endm