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protect 386 registers from emm386 on 386 kernel build (prevent crash, workaround)

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git-svn-id: https://svn.code.sf.net/p/freedos/svn/kernel/trunk@1136 6ac86273-5f31-0410-b378-82cca8765d1b
This commit is contained in:
Kenneth J Davis 2005-07-24 09:34:10 +00:00
parent 696614a6c1
commit 6d9f6c60c0
1 changed files with 5 additions and 1 deletions
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6
kernel/execrh.asm
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@ -29,6 +29,7 @@
; ;
%include "segs.inc" %include "segs.inc"
%include "stacks.inc"
segment HMA_TEXT segment HMA_TEXT
; EXECRH ; EXECRH
@ -65,11 +66,14 @@ segment HMA_TEXT
pop di pop di
pop si pop si
Protect386Registers ; protect from drivers that destroy eg emm386
mov ax,[si+8] ; construct 'interrupt' address mov ax,[si+8] ; construct 'interrupt' address
mov [bp+4],ax ; construct interrupt address mov [bp+4],ax ; construct interrupt address
call far[bp+4] ; call far the interrupt call far[bp+4] ; call far the interrupt
Restore386Registers
sti ; damm driver turn off ints sti ; damm driver turn off ints
cld ; has gone backwards cld ; has gone backwards
pop ds pop ds