| 3397,32 → 3397,45 |
|---|
| ;3 - rdmsr. Counter in edx. (edx:eax) [esi:edi, edx] => [edx:esi, ecx]. Ret in ebx:eax. Block. ok. |
| ;4 - wrmsr. Counter in edx. (edx:eax) [esi:edi, edx] => [edx:esi, ecx]. Ret in ebx:eax. Block. ok. |
| ;--------------------------------------------------------------------------------------------- |
| iglobal |
| align 4 |
| sheduler: |
| dd sys_sheduler.00 |
| dd change_task |
| dd sys_sheduler.02 |
| dd sys_sheduler.03 |
| dd sys_sheduler.04 |
| endg |
| sys_sheduler: |
| ; old sys_sheduler ;noname & halyavin |
| ; cmp eax,0 |
| ; je shed_counter |
| ; cmp eax,2 |
| ; je perf_control |
| ; cmp eax,3 |
| ; je rdmsr_instr |
| ; cmp eax,4 |
| ; je wrmsr_instr |
| ; cmp eax,1 |
| ; jne not_supported |
| ; call change_task ;delay,0 |
| ;rewritten by <Lrz> 29.12.2009 |
| jmp dword [sheduler+eax*4] |
| ;.shed_counter: |
| .00: |
| mov eax,[context_counter] |
| mov [esp+36],eax |
| ret |
| |
| ;rewritten by <Lrz> 15.11.2009 |
| test eax,eax |
| jz .shed_counter ;eax=0 |
| dec eax |
| jz change_task ;eax=1 |
| dec eax |
| jz .perf_control ;eax=2 |
| dec eax |
| jz .rdmsr_instr ;eax=3 |
| dec eax |
| jnz @f |
| ;wrmsr_instr ;eax=4 |
| .02: |
| ;.perf_control: |
| 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 |
| .03: |
| ;.rdmsr_instr: |
| ;now counter in ecx |
| ;(edx:eax) esi:edi => edx:esi |
| mov eax,esi |
| ; mov ecx,edx |
| rdmsr |
| mov [esp+36],eax |
| mov [esp+24],edx ;ret in ebx? |
| ret |
| |
| .04: |
| ;.wrmsr_instr: |
| ;now counter in ecx |
| ;(edx:eax) esi:edi => edx:esi |
| 3439,41 → 3452,13 |
|---|
| je @f |
| |
| mov eax, esi |
| ; mov ecx,edx |
| wrmsr |
| ; mov [esp + 36], eax |
| ; mov [esp + 24], edx ;ret in ebx? |
| ; mov [esp + 32], eax |
| ; mov [esp + 20], edx ;ret in ebx? |
| @@: |
| ret |
| |
| .shed_counter: |
| mov eax,[context_counter] |
| mov [esp+36],eax |
| ret |
| .perf_control: |
| ; inc eax ;now eax=3 |
| add eax,3 ;restore eax=3 |
| cmp ebx,eax |
| je cache_disable |
| dec eax |
| cmp ebx,eax |
| je cache_enable |
| dec eax |
| cmp ebx,eax |
| je is_cache_enabled |
| dec eax |
| cmp ebx,eax |
| je modify_pce |
| ret |
| |
| .rdmsr_instr: |
| ;now counter in ecx |
| ;(edx:eax) esi:edi => edx:esi |
| mov eax,esi |
| rdmsr |
| mov [esp+36],eax |
| mov [esp+24],edx ;ret in ebx? |
| ret |
| |
| cache_disable: |
| mov eax,cr0 |
| or eax,01100000000000000000000000000000b |