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sys function 68 is without shift registers call

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git-svn-id: svn://kolibrios.org@1345 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Alexey Teplov (
2010-01-02 05:49:10 +00:00
parent 22dfbb516f
commit 58d22770cb
4 changed files with 81 additions and 69 deletions
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44
kernel/trunk/kernel.asm
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@@ -3408,31 +3408,43 @@ sheduler:
endg
sys_sheduler:
;rewritten by <Lrz> 29.12.2009
jmp dword [sheduler+eax*4]
; jmp dword [sheduler+eax*4]
jmp dword [sheduler+ebx*4]
;.shed_counter:
.00:
mov eax,[context_counter]
mov [esp+36],eax
mov [esp+32],eax
ret
.02:
;.perf_control:
test ebx,ebx
; test ebx,ebx
; jz modify_pce ;if ecx=0
; dec ebx
; jz is_cache_enabled ;if ecx=1
; dec ebx
; jz cache_enable ;if ecx=2
; ret
;;;;;;;;
test ecx,ecx
jz modify_pce ;if ecx=0
dec ebx
dec ecx
jz is_cache_enabled ;if ecx=1
dec ebx
dec ecx
jz cache_enable ;if ecx=2
ret
.03:
;.rdmsr_instr:
;now counter in ecx
;(edx:eax) esi:edi => edx:esi
mov eax,esi
; mov ecx,edx
mov ecx,edx
rdmsr
mov [esp+36],eax
mov [esp+24],edx ;ret in ebx?
mov [esp+32],eax
mov [esp+20],edx ;ret in ebx?
ret
.04:
@@ -3442,17 +3454,17 @@ sys_sheduler:
; Fast Call MSR can't be destroy
; <20><> MSR_AMD_EFER <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20>.<2E>. <20> <20>⮬ ॣ<><E0A5A3><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>
; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>/<2F>몫<EFBFBD><EBAAAB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>७<EFBFBD><E0A5AD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
cmp ecx,MSR_SYSENTER_CS
cmp edx,MSR_SYSENTER_CS
je @f
cmp ecx,MSR_SYSENTER_ESP
cmp edx,MSR_SYSENTER_ESP
je @f
cmp ecx,MSR_SYSENTER_EIP
cmp edx,MSR_SYSENTER_EIP
je @f
cmp ecx,MSR_AMD_STAR
cmp edx,MSR_AMD_STAR
je @f
mov eax,esi
; mov ecx,edx
mov ecx,edx
wrmsr
; mov [esp + 32], eax
; mov [esp + 20], edx ;ret in ebx?
@@ -3477,9 +3489,9 @@ is_cache_enabled:
mov ebx,eax
and eax,01100000000000000000000000000000b
jz cache_disabled
mov [esp+36],ebx
mov [esp+32],ebx
cache_disabled:
mov dword [esp+36],eax ;0
mov dword [esp+32],eax ;0
ret
modify_pce:
@@ -3489,7 +3501,7 @@ modify_pce:
; xor eax,ebx ;invert pce
bts eax,8 ;pce=cr4[8]
mov cr4,eax
mov [esp+36],eax
mov [esp+32],eax
ret
;---------------------------------------------------------------------------------------------