acpi:rework mutexes
git-svn-id: svn://kolibrios.org@2143 a494cfbc-eb01-0410-851d-a64ba20cac60
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@ -593,20 +593,6 @@ virtual at 0
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display_t display_t
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end virtual
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struc HEAP_DATA
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{
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.mutex rd 1
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.refcount rd 1
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.heap_base rd 1
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.heap_top rd 1
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.app_mem rd 1
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}
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HEAP_DATA_SIZE equ 20
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virtual at 0
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HEAP_DATA HEAP_DATA
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end virtual
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struc BOOT_DATA
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{ .bpp dd ?
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.scanline dd ?
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@ -7,33 +7,6 @@
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$Revision$
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macro __list_add new, prev, next
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{
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mov [next+LHEAD.prev], new
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mov [new+LHEAD.next], next
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mov [new+LHEAD.prev], prev
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mov [prev+LHEAD.next], new
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}
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macro list_add new, head
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{
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mov eax, [head+LHEAD.next]
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__list_add new, head, eax
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}
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macro list_add_tail new, head
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{
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mov eax, [head+LHEAD.prev]
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__list_add new, eax, head
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}
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macro list_del entry
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{
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mov edx, [entry+list_fd]
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mov ecx, [entry+list_bk]
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mov [edx+list_bk], ecx
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mov [ecx+list_fd], edx
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}
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struc MEM_BLOCK
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{
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@ -85,9 +58,9 @@ macro remove_from_used op
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;Initial heap state
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;
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;+heap_size terminator USED_BLOCK
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;+heap_size terminator USED_BLOCK
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;+4096*MEM_BLOCK_SIZE free space FREE_BLOCK
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;HEAP_BASE heap_descriptors USED_BLOCK
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;HEAP_BASE heap_descriptors USED_BLOCK
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;
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align 4
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@ -312,7 +285,7 @@ proc alloc_kernel_space stdcall, size:dword
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cmp [edi+block_flags], FREE_BLOCK
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jne .error_unlock
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mov [block_ind], ebx ;index of allocated block
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mov [block_ind], ebx ;index of allocated block
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mov eax, [edi+block_size]
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cmp eax, [size]
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@ -221,8 +221,7 @@ do_change_task:
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struc MUTEX_WAITER
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{
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.next rd 1
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.prev rd 1
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.list LHEAD
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.task rd 1
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.sizeof:
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};
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@ -235,10 +234,9 @@ end virtual
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align 4
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mutex_init:
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lea eax, [ecx+MUTEX.next]
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mov [ecx+MUTEX.wait.next], ecx
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mov [ecx+MUTEX.wait.prev], ecx
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mov [ecx+MUTEX.count],1
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mov [ecx+MUTEX.next], eax
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mov [ecx+MUTEX.prev], eax
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ret
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@ -253,16 +251,9 @@ mutex_lock:
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pushfd
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cli
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push esi
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sub esp, MUTEX_WAITER.sizeof
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mov eax, [ecx+MUTEX.prev]
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lea esi, [ecx+MUTEX.next]
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mov [ecx+MUTEX.prev], esp
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mov [esp+MUTEX_WAITER.next], esi
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mov [esp+MUTEX_WAITER.prev], eax
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mov [eax], esp
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list_add_tail esp, ecx ;esp= new waiter, ecx= list head
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mov edx, [TASK_BASE]
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mov [esp+MUTEX_WAITER.task], edx
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@ -278,19 +269,18 @@ mutex_lock:
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call change_task
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jmp .forever
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@@:
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mov edx, [esp+MUTEX_WAITER.next]
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mov eax, [esp+MUTEX_WAITER.prev]
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mov edx, [esp+MUTEX_WAITER.list.next]
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mov eax, [esp+MUTEX_WAITER.list.prev]
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mov [eax+MUTEX_WAITER.next], edx
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cmp [ecx+MUTEX.next], esi
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mov [edx+MUTEX_WAITER.prev], eax
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mov [eax+MUTEX_WAITER.list.next], edx
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mov [edx+MUTEX_WAITER.list.prev], eax
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cmp [ecx+MUTEX.wait.next], ecx
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jne @F
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mov [ecx+MUTEX.count], 0
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@@:
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add esp, MUTEX_WAITER.sizeof
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pop esi
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popfd
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.done:
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ret
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@ -303,8 +293,8 @@ mutex_unlock:
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pushfd
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cli
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lea eax, [ecx+MUTEX.next]
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cmp eax, [ecx+MUTEX.next]
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mov eax, [ecx+MUTEX.wait.next]
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cmp eax, [ecx]
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mov [ecx+MUTEX.count], 1
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je @F
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@ -292,15 +292,12 @@ endofcode:
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gdte:
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align 16
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cur_saved_data rb 4096
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fpu_data: rb 512
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cur_saved_data rb 4096
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fpu_data: rb 512
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mem_block_map rb 512
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mem_block_list rd 64*2
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mem_block_mask rd 2
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large_block_mask rd 1
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mem_hash_cnt rd 64
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mem_block_list rd 64*2
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mem_block_mask rd 2
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mem_used.fd rd 1
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mem_used.bk rd 1
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@ -309,6 +306,8 @@ mem_block_arr rd 1
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mem_block_start rd 1
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mem_block_end rd 1
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mem_hash_cnt rd 64
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heap_mutex MUTEX
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heap_size rd 1
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heap_free rd 1
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@ -196,9 +196,8 @@ end virtual
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struc MUTEX
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{
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.wait LHEAD
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.count rd 1
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.next rd 1
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.prev rd 1
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}
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virtual at 0
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@ -107,3 +107,32 @@ macro Mov op1,op2,op3 ; op1 = op2 = op3
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mov op2,op3
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mov op1,op2
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}
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macro __list_add new, prev, next
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{
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mov [next+LHEAD.prev], new
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mov [new+LHEAD.next], next
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mov [new+LHEAD.prev], prev
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mov [prev+LHEAD.next], new
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}
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macro list_add new, head
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{
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mov eax, [head+LHEAD.next]
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__list_add new, head, eax
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}
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macro list_add_tail new, head
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{
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mov eax, [head+LHEAD.prev]
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__list_add new, eax, head
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}
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macro list_del entry
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{
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mov edx, [entry+list_fd]
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mov ecx, [entry+list_bk]
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mov [edx+list_bk], ecx
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mov [ecx+list_fd], edx
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}
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