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Changes from Maxis:

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* Fixed sysfunction 18.20 (bug #13)
  * wait_mutex optimized (bug #10)

git-svn-id: svn://kolibrios.org@1072 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Evgeny Grechnikov (Diamond) 2009-05-18 18:26:34 +00:00
parent be9e2b43f3
commit 3d76ee5a5b
2 changed files with 20 additions and 23 deletions
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32
kernel/trunk/core/memory.inc
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@ -960,29 +960,29 @@ endp
align 4 align 4
sysfn_meminfo: sysfn_meminfo:
; add ebx, new_app_base ; add ecx, new_app_base
cmp ebx, OS_BASE cmp ecx, OS_BASE
jae .fail jae .fail
mov eax, [pg_data.pages_count] mov eax, [pg_data.pages_count]
mov [ebx], eax mov [ecx], eax
shl eax, 12 shl eax, 12
mov [esp+36], eax mov [esp+32], eax
mov ecx, [pg_data.pages_free] mov eax, [pg_data.pages_free]
mov [ebx+4], ecx mov [ecx+4], eax
mov edx, [pg_data.pages_faults] mov eax, [pg_data.pages_faults]
mov [ebx+8], edx mov [ecx+8], eax
mov esi, [heap_size] mov eax, [heap_size]
mov [ebx+12], esi mov [ecx+12], eax
mov edi, [heap_free] mov eax, [heap_free]
mov [ebx+16], edi mov [ecx+16], eax
mov eax, [heap_blocks] mov eax, [heap_blocks]
mov [ebx+20], eax mov [ecx+20], eax
mov ecx, [free_blocks] mov eax, [free_blocks]
mov [ebx+24], ecx mov [ecx+24], eax
ret ret
.fail: .fail:
mov dword [esp+36], -1 mov dword [esp+32], -1
ret ret
align 4 align 4

11
kernel/trunk/core/taskman.inc
View File

@ -918,18 +918,15 @@ endp
align 4 align 4
wait_mutex: wait_mutex:
;;Maxis use atomic bts for mutex 4.4.2009
push eax push eax
push ebx push ebx
.do_wait: .do_wait:
cmp dword [ebx],0 bts dword [ebx],0
je .get_lock jnc .locked
call change_task call change_task
jmp .do_wait jmp .do_wait
.get_lock: .locked:
mov eax, 1
xchg eax, [ebx]
test eax, eax
jnz .do_wait
pop ebx pop ebx
pop eax pop eax
ret ret