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  → /kernel/branches/kolibri-process/core/heap.inc @ 4429

  → /kernel/branches/kolibri-process/core/heap.inc @ 4430

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Regard whitespace Rev 4429 → Rev 4430

/kernel/branches/kolibri-process/core/heap.inc
566,25 → 566,26
proc init_heap
mov ebx, [current_slot]
mov eax, [ebx+APPDATA.heap_top]
mov ebx, [ebx+APPDATA.process]
mov eax, [ebx+PROC.heap_top]
test eax, eax
jz @F
sub eax, [ebx+APPDATA.heap_base]
sub eax, 4096
sub eax, [ebx+PROC.heap_base]
sub eax, PAGE_SIZE
ret
@@:
mov esi, [ebx+APPDATA.mem_size]
mov esi, [ebx+PROC.mem_used]
add esi, 4095
and esi, not 4095
mov [ebx+APPDATA.mem_size], esi
mov [ebx+PROC.mem_used], esi
mov eax, HEAP_TOP
mov [ebx+APPDATA.heap_base], esi
mov [ebx+APPDATA.heap_top], eax
mov [ebx+PROC.heap_base], esi
mov [ebx+PROC.heap_top], eax
sub eax, esi
shr esi, 10
mov ecx, eax
sub eax, 4096
sub eax, PAGE_SIZE
or ecx, FREE_BLOCK
mov [page_tabs+esi], ecx
ret
598,24 → 599,25
push edi
mov ecx, [alloc_size]
add ecx, (4095+4096)
add ecx, (4095+PAGE_SIZE)
and ecx, not 4095
mov ebx, [current_slot]
mov esi, dword [ebx+APPDATA.heap_base] ; heap_base
mov edi, dword [ebx+APPDATA.heap_top] ; heap_top
l_0:
mov ebx, [ebx+APPDATA.process]
mov esi, dword [ebx+PROC.heap_base] ; heap_base
mov edi, dword [ebx+PROC.heap_top] ; heap_top
.scan:
cmp esi, edi
jae m_exit
jae .m_exit
mov ebx, esi
shr ebx, 12
mov eax, [page_tabs+ebx*4]
test al, FREE_BLOCK
jz test_used
jz .test_used
and eax, 0xFFFFF000
cmp eax, ecx ;alloc_size
jb m_next
jb .m_next
jz @f
lea edx, [esi+ecx]
638,11 → 640,12
.no:
mov edx, [current_slot]
mov edx, [edx+APPDATA.process]
mov ebx, [alloc_size]
add ebx, 0xFFF
and ebx, not 0xFFF
add ebx, [edx+APPDATA.mem_size]
call update_mem_size
add [edx+PROC.mem_used], ebx
lea eax, [esi+4096]
650,15 → 653,15
pop esi
pop ebx
ret
test_used:
.test_used:
test al, USED_BLOCK
jz m_exit
jz .m_exit
and eax, 0xFFFFF000
m_next:
.m_next:
add esi, eax
jmp l_0
m_exit:
jmp .scan
.m_exit:
xor eax, eax
pop edi
pop esi
674,13 → 677,15
push edi
mov ebx, [current_slot]
mov ebx, [ebx+APPDATA.process]
mov edx, [address]
and edx, not 0xFFF
mov [address], edx
sub edx, 0x1000
jb .error
mov esi, [ebx+APPDATA.heap_base]
mov edi, [ebx+APPDATA.heap_top]
mov esi, [ebx+PROC.heap_base]
mov edi, [ebx+PROC.heap_top]
cmp edx, esi
jb .error
.scan:
748,13 → 753,13
mov [page_tabs+ebx*4], ecx
.nothird:
mov edx, [current_slot]
mov edx, [edx+APPDATA.process]
mov edx, [current_slot]
mov ebx, [alloc_size]
add ebx, 0xFFF
and ebx, not 0xFFF
add ebx, [edx+APPDATA.mem_size]
call update_mem_size
add [edx+PROC.mem_used], ebx
mov eax, [address]
811,11 → 816,12
push edi
mov edx, [current_slot]
mov esi, dword [edx+APPDATA.heap_base]
mov edi, dword [edx+APPDATA.heap_top]
sub ebx, [edx+APPDATA.mem_size]
mov edx, [edx+APPDATA.process]
mov esi, dword [edx+PROC.heap_base]
mov edi, dword [edx+PROC.heap_top]
sub ebx, [edx+PROC.mem_used]
neg ebx
call update_mem_size
mov [edx+PROC.mem_used], ebx
call user_normalize
pop edi
pop ebx
999,15 → 1005,16
mov eax, [page_tabs+ecx*4]
and eax, not 0xFFF
mov edx, [current_slot]
mov ebx, [APPDATA.mem_size+edx]
mov edx, [edx+APPDATA.process]
mov ebx, [edx+PROC.mem_used]
sub ebx, eax
add ebx, 0x1000
or al, FREE_BLOCK
mov [page_tabs+ecx*4], eax
push esi edi
mov esi, [APPDATA.heap_base+edx]
mov edi, [APPDATA.heap_top+edx]
call update_mem_size
mov esi, [edx+PROC.heap_base]
mov edi, [edx+PROC.heap_top]
mov [edx+PROC.mem_used], ebx
call user_normalize
pop edi esi
jmp .ret0 ; all freed
1020,10 → 1027,11
sub ebx, edx
push ebx ecx edx
mov edx, [current_slot]
mov edx, [edx+APPDATA.process]
shl ebx, 12
sub ebx, [APPDATA.mem_size+edx]
sub ebx, [edx+PROC.mem_used]
neg ebx
call update_mem_size
mov [edx+PROC.mem_used], ebx
pop edx ecx ebx
lea eax, [ecx+1]
shl eax, 12
1034,7 → 1042,8
jz .ret
push esi
mov esi, [current_slot]
mov esi, [APPDATA.heap_top+esi]
mov esi, [esi+APPDATA.process]
mov esi, [esi+PROC.heap_top]
shr esi, 12
@@:
cmp edx, esi
1058,7 → 1067,8
.realloc_add:
; get some additional memory
mov eax, [current_slot]
mov eax, [APPDATA.heap_top+eax]
mov eax, [eax+APPDATA.process]
mov eax, [eax+PROC.heap_top]
shr eax, 12
cmp edx, eax
jae .cant_inplace
1091,16 → 1101,17
rep stosd
pop edi
mov edx, [current_slot]
mov edx, [edx+APPDATA.process]
shl ebx, 12
add ebx, [APPDATA.mem_size+edx]
call update_mem_size
add [edx+PROC.mem_used], ebx
pop eax edx ecx
ret
.cant_inplace:
push esi edi
mov eax, [current_slot]
mov esi, [APPDATA.heap_base+eax]
mov edi, [APPDATA.heap_top+eax]
mov eax, [eax+APPDATA.process]
mov esi, [eax+PROC.heap_base]
mov edi, [eax+PROC.heap_top]
shr esi, 12
shr edi, 12
sub ebx, ecx
1164,9 → 1175,9
.no:
push ebx
mov edx, [current_slot]
mov edx, [eax+APPDATA.process]
shl ebx, 12
add ebx, [APPDATA.mem_size+edx]
call update_mem_size
add [edx+PROC.mem_used], ebx
pop ebx
@@:
mov dword [page_tabs+esi*4], 2
1176,47 → 1187,11
pop eax edi esi edx ecx
ret
if 0
align 4
proc alloc_dll
pushf
cli
bsf eax, [dll_map]
jnz .find
popf
xor eax, eax
ret
.find:
btr [dll_map], eax
popf
shl eax, 5
add eax, dll_tab
ret
endp
align 4
proc alloc_service
pushf
cli
bsf eax, [srv_map]
jnz .find
popf
xor eax, eax
ret
.find:
btr [srv_map], eax
popf
shl eax, 0x02
lea eax, [srv_tab+eax+eax*8] ;srv_tab+eax*36
ret
endp
end if
;;;;;;;;;;;;;; SHARED MEMORY ;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;; SHARED ;;;;;;;;;;;;;;;;;
; param
; eax= shm_map object