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mtdbg knows about syscall and sysenter

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git-svn-id: svn://kolibrios.org@410 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Evgeny Grechnikov (Diamond) 2007-03-10 11:27:17 +00:00
parent 587a5061c9
commit e7b5998b96
1 changed files with 17 additions and 4 deletions
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21
programs/develop/mtdbg/mtdbg.asm
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@ -1719,6 +1719,10 @@ OnStep:
jnz .doit
cmp al, 0xCD
jz .int
cmp ax, 0x050F
jz .syscall_enter
cmp ax, 0x340F
jz .syscall_enter
; resume process
.doit:
call GoOn
@ -1727,6 +1731,9 @@ OnStep:
mov [bAfterGo], 2
@@:
ret
.syscall_enter:
and byte [_eflags+1], not 1 ; clear TF - avoid system halt (!)
call set_context
.int:
mov eax, [_eip]
inc eax
@ -2910,6 +2917,15 @@ cseggs:
db 0xFB,3,'sti'
db 0xFC,3,'cld'
db 0xFD,3,'std'
csysenter:
csyscall:
ccpuid:
crdtsc:
call @f
db 0x05,7,'syscall'
db 0x31,5,'rdtsc'
db 0x34,8,'sysenter'
db 0xA2,5,'cpuid'
@@:
pop esi
@@:
@ -2954,9 +2970,6 @@ c66:
center:
caam:
cxlat:
crdtsc:
csysenter:
ccpuid:
ccmpxchg:
cbsf:
cbsr:
@ -4681,7 +4694,7 @@ disasm_table_1:
dd cop0, cop0, cop0, cop0, cop0, cop0, cop1, cop1
disasm_table_2:
dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk ; 0x
dd cunk, cunk, cunk, cunk, cunk, csyscall,cunk,cunk ; 0x
dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk
dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk ; 1x
dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk