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kernel: kolibri-process merged into trunk. This is my little gift to myself for my birthday.

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git-svn-id: svn://kolibrios.org@5130 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge)
2014-09-18 07:58:56 +00:00
parent 73dfca6a00
commit 76d618357e
15 changed files with 550 additions and 679 deletions
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217
kernel/trunk/core/heap.inc
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@@ -558,33 +558,36 @@ restore block_base
restore block_size
restore block_flags
;;;;;;;;;;;;;; USER ;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;; USER HEAP ;;;;;;;;;;;;;;;;;
HEAP_TOP equ 0x80000000
align 4
proc init_heap
mov ebx, [current_slot]
mov eax, [ebx+APPDATA.heap_top]
mov ebx, [current_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]
lea ecx, [ebx+PROC.heap_lock]
call mutex_init
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
@@ -597,25 +600,28 @@ proc user_alloc stdcall, alloc_size:dword
push esi
push edi
mov ebx, [current_process]
lea ecx, [ebx+PROC.heap_lock]
call mutex_lock
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 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]
@@ -637,12 +643,14 @@ l_0:
jnz @B
.no:
mov edx, [current_slot]
mov edx, [current_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 ecx, [edx+PROC.heap_lock]
call mutex_unlock
lea eax, [esi+4096]
@@ -650,15 +658,19 @@ l_0:
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:
mov ecx, [current_process]
lea ecx, [ecx+PROC.heap_lock]
call mutex_unlock
xor eax, eax
pop edi
pop esi
@@ -673,14 +685,17 @@ proc user_alloc_at stdcall, address:dword, alloc_size:dword
push esi
push edi
mov ebx, [current_slot]
mov ebx, [current_process]
lea ecx, [ebx+PROC.heap_lock]
call mutex_lock
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:
@@ -697,6 +712,10 @@ proc user_alloc_at stdcall, address:dword, alloc_size:dword
mov esi, ecx
jmp .scan
.error:
mov ecx, [current_process]
lea ecx, [ecx+PROC.heap_lock]
call mutex_unlock
xor eax, eax
pop edi
pop esi
@@ -748,13 +767,14 @@ proc user_alloc_at stdcall, address:dword, alloc_size:dword
mov [page_tabs+ebx*4], ecx
.nothird:
mov edx, [current_slot]
mov edx, [current_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 ecx, [edx+PROC.heap_lock]
call mutex_unlock
mov eax, [address]
@@ -771,10 +791,14 @@ proc user_free stdcall, base:dword
mov esi, [base]
test esi, esi
jz .exit
jz .fail
push ebx
mov ebx, [current_process]
lea ecx, [ebx+PROC.heap_lock]
call mutex_lock
xor ebx, ebx
shr esi, 12
mov eax, [page_tabs+(esi-1)*4]
@@ -810,25 +834,30 @@ proc user_free stdcall, base:dword
.released:
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, [current_process]
lea ecx, [edx+PROC.heap_lock]
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
pop esi
ret
.exit:
call mutex_unlock
xor eax, eax
inc eax
pop ebx
pop esi
ret
.cantfree:
mov ecx, [current_process]
lea ecx, [ecx+PROC.heap_lock]
jmp .exit
.fail:
xor eax, eax
pop ebx
pop esi
ret
endp
@@ -957,6 +986,13 @@ user_realloc:
ret
@@:
push ecx edx
push eax
mov ecx, [current_process]
lea ecx, [ecx+PROC.heap_lock]
call mutex_lock
pop eax
lea ecx, [eax - 0x1000]
shr ecx, 12
mov edx, [page_tabs+ecx*4]
@@ -964,6 +1000,10 @@ user_realloc:
jnz @f
; attempt to realloc invalid pointer
.ret0:
mov ecx, [current_process]
lea ecx, [ecx+PROC.heap_lock]
call mutex_unlock
pop edx ecx
xor eax, eax
ret
@@ -998,16 +1038,16 @@ user_realloc:
jnz .nofreeall
mov eax, [page_tabs+ecx*4]
and eax, not 0xFFF
mov edx, [current_slot]
mov ebx, [APPDATA.mem_size+edx]
mov edx, [current_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
@@ -1019,11 +1059,11 @@ user_realloc:
shr ebx, 12
sub ebx, edx
push ebx ecx edx
mov edx, [current_slot]
mov edx, [current_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
@@ -1033,8 +1073,8 @@ user_realloc:
shl ebx, 12
jz .ret
push esi
mov esi, [current_slot]
mov esi, [APPDATA.heap_top+esi]
mov esi, [current_process]
mov esi, [esi+PROC.heap_top]
shr esi, 12
@@:
cmp edx, esi
@@ -1053,12 +1093,16 @@ user_realloc:
or ebx, FREE_BLOCK
mov [page_tabs+ecx*4], ebx
.ret:
mov ecx, [current_process]
lea ecx, [ecx+PROC.heap_lock]
call mutex_unlock
pop eax edx ecx
ret
.realloc_add:
; get some additional memory
mov eax, [current_slot]
mov eax, [APPDATA.heap_top+eax]
mov eax, [current_process]
mov eax, [eax+PROC.heap_top]
shr eax, 12
cmp edx, eax
jae .cant_inplace
@@ -1090,17 +1134,21 @@ user_realloc:
cld
rep stosd
pop edi
mov edx, [current_slot]
mov edx, [current_process]
shl ebx, 12
add ebx, [APPDATA.mem_size+edx]
call update_mem_size
add [edx+PROC.mem_used], ebx
mov ecx, [current_process]
lea ecx, [ecx+PROC.heap_lock]
call mutex_unlock
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, [current_process]
mov esi, [eax+PROC.heap_base]
mov edi, [eax+PROC.heap_top]
shr esi, 12
shr edi, 12
sub ebx, ecx
@@ -1163,58 +1211,25 @@ user_realloc:
jnz @b
.no:
push ebx
mov edx, [current_slot]
mov edx, [current_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
inc esi
dec ebx
jnz @b
mov ecx, [current_process]
lea ecx, [ecx+PROC.heap_lock]
call mutex_unlock
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 ;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;; SHARED MEMORY ;;;;;;;;;;;;;;;;;
; param