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• This comparison shows the changes necessary to convert path

  → /kernel/trunk/core/memory.inc @ 1366

  → /kernel/trunk/core/memory.inc @ 1461

  ↔ Reverse comparison

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Regard whitespace Rev 1366 → Rev 1461

/kernel/trunk/core/memory.inc
14,6 → 14,11
pushfd
cli
push ebx
;//-
cmp [pg_data.pages_free], 1
jle .out_of_memory
;//-
mov ebx, [page_start]
mov ecx, [page_end]
.l1:
27,15 → 32,27
xor eax,eax
ret
.found:
;//-
dec [pg_data.pages_free]
jz .out_of_memory
;//-
btr [ebx], eax
mov [page_start],ebx
sub ebx, sys_pgmap
lea eax, [eax+ebx*8]
shl eax, 12
dec [pg_data.pages_free]
;//- dec [pg_data.pages_free]
pop ebx
popfd
ret
;//-
.out_of_memory:
mov [pg_data.pages_free], 1
xor eax, eax
pop ebx
popfd
ret
;//-
endp
align 4
48,9 → 65,14
add eax, 7
shr eax, 3
mov [count], eax
cmp eax, [pg_data.pages_free]
ja .fail
;//-
mov ebx, [pg_data.pages_free]
sub ebx, 9
js .out_of_memory
shr ebx, 3
cmp eax, ebx
jg .out_of_memory
;//-
mov ecx, [page_start]
mov ebx, [page_end]
.find:
64,6 → 86,7
inc ecx
cmp ecx,ebx
jb .match
.out_of_memory:
.fail:
xor eax, eax
pop edi
479,7 → 502,16
cmp edi, esi
jb @B
.grow:
;//-
pop edi
push edi
mov esi, [pg_data.pages_free]
sub esi, 1
shr edi, 12
cmp esi, edi
jle .out_of_memory
;//-
pop edi
pop esi
@@:
call alloc_page
500,7 → 532,10
jb @B
jmp .update_size
;//-
.exit_pop:
.out_of_memory:
;//-
pop edi
pop esi
.exit: