forked from KolibriOS/kolibrios
1) unmap_pages
2) code cleanup git-svn-id: svn://kolibrios.org@819 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge)
parent
e5ba650fda
commit
ed2e35a24c
@ -388,7 +388,9 @@ endp
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align 4
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proc reg_service stdcall, name:dword, handler:dword
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xor eax, eax
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push ebx
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xor eax, eax
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cmp [name], eax
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je .fail
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@ -396,14 +398,11 @@ proc reg_service stdcall, name:dword, handler:dword
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cmp [handler], eax
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je .fail
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push ebx
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mov eax, SRV_SIZE
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call malloc ;call alloc_service
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pop ebx
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test eax, eax
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jz .fail
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push ebx
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push esi
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push edi
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mov edi, eax
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@ -429,6 +428,7 @@ proc reg_service stdcall, name:dword, handler:dword
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ret
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.fail:
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xor eax, eax
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pop ebx
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ret
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endp
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@ -121,7 +121,7 @@ kernel_export:
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dd szUserFree , user_free ;stdcall
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dd szKmalloc , malloc
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dd szKfree , free
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dd szCreateRingBuffer, create_ring_buffer
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dd szCreateRingBuffer, create_ring_buffer ;stdcall
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dd szGetPid , get_pid
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dd szCreateObject , create_kernel_object
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@ -164,7 +164,7 @@ endp
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; ebx= descriptor index
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align 4
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get_block:
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get_small_block:
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mov ecx, eax
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shr ecx, 12
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dec ecx
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@ -211,7 +211,7 @@ get_block:
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ret
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align 4
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proc alloc_mem_block
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alloc_mem_block:
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mov ebx, [mem_block_start]
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mov ecx, [mem_block_end]
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@ -233,9 +233,8 @@ found:
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add eax, [mem_block_arr]
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dec [free_blocks]
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ret
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endp
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proc free_mem_block
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align 4
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free_mem_block:
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mov dword [eax], 0
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mov dword [eax+4], 0
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mov dword [eax+8], 0
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@ -263,7 +262,6 @@ proc free_mem_block
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.err:
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xor eax, eax
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ret
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endp
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align 4
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proc alloc_kernel_space stdcall, size:dword
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@ -284,7 +282,7 @@ proc alloc_kernel_space stdcall, size:dword
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cmp eax, [heap_free]
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ja .error
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call get_block ; eax
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call get_small_block ; eax
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test edi, edi
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jz .error
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@ -126,12 +126,12 @@ proc free_page
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;arg: eax page address
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pushfd
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cli
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shr eax, 12 ;page index
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bts dword [sys_pgmap], eax ;that's all!
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shr eax, 12 ;page index
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bts dword [sys_pgmap], eax ;that's all!
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cmc
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adc [pg_data.pages_free], 0
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shr eax, 3
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and eax, not 3 ;dword offset from page_map
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and eax, not 3 ;dword offset from page_map
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add eax, sys_pgmap
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cmp [page_start], eax
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ja @f
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@ -166,7 +166,9 @@ proc map_io_mem stdcall, base:dword, size:dword, flags:dword
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or edx, [flags]
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@@:
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mov [page_tabs+eax*4], edx
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invlpg [ebx]
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; push eax
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; invlpg [ebx]
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; pop eax
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inc eax
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add ebx, edi
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add edx, edi
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@ -184,7 +186,7 @@ endp
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; param
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; eax= page base + page flags
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; ebx= liear address
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; ebx= linear address
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; ecx= count
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align 4
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@ -202,7 +204,9 @@ commit_pages:
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shr ebx, 12
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@@:
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mov [page_tabs+ebx*4], eax
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invlpg [edi]
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; push eax
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; invlpg [edi]
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; pop eax
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add edi, edx
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add eax, edx
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inc ebx
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@ -263,6 +267,32 @@ release_pages:
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popad
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ret
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; param
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; eax= base
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; ecx= count
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align 4
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unmap_pages:
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push edi
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mov edi, eax
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mov edx, eax
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shr edi, 10
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add edi, page_tabs
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xor eax, eax
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@@:
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stosd
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invlpg [edx]
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add edx, 0x1000
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loop @b
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pop edi
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ret
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align 4
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proc map_page_table stdcall, lin_addr:dword, phis_addr:dword
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push ebx
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@ -1085,6 +1115,27 @@ new_services:
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mov [esp+36], eax
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ret
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align 4
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proc load_pe_driver stdcall, file:dword
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stdcall load_PE, [file]
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test eax, eax
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jz .fail
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mov esi, eax
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stdcall eax, DRV_ENTRY
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test eax, eax
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jz .fail
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mov [eax+SRV.entry], esi
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ret
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.fail:
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xor eax, eax
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ret
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endp
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align 4
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proc init_mtrr
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@ -1159,8 +1210,6 @@ proc set_mtrr stdcall, reg:dword,base:dword,size:dword,mem_type:dword
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ret
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endp
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align 4
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proc stall stdcall, delay:dword
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push ecx
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@ -1228,8 +1277,6 @@ proc create_ring_buffer stdcall, size:dword, flags:dword
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@@:
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mov [page_tabs+edi], eax
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mov [page_tabs+edi+edx], eax
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invlpg [ebx]
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invlpg [ebx+esi]
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add eax, 0x1000
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add ebx, 0x1000
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add edi, 4
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@ -1248,14 +1295,4 @@ proc create_ring_buffer stdcall, size:dword, flags:dword
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ret
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endp
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if 0
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push eax
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push edx
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mov edx, 0x400 ;bochs
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mov al,0xff ;bochs
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out dx, al ;bochs
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pop edx
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pop eax
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end if
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@ -280,7 +280,9 @@ L40:
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__exports:
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export 'KERNEL', \
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alloc_kernel_space, 'AllocKernelSpace', \ ; stdcall
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commit_pages, 'CommitPages', \ ; eax, ebx, ecx
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create_kernel_object, 'CreateObject', \
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create_ring_buffer, 'CreateRingBuffer', \ ; stdcall
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destroy_kernel_object, 'DestroyObject', \
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free_kernel_space, 'FreeKernelSpace', \ ; stdcall
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kernel_alloc, 'KernelAlloc', \ ; stdcall
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@ -288,6 +290,7 @@ __exports:
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malloc, 'Kmalloc', \
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free, 'Kfree', \
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map_io_mem, 'MapIoMem', \ ; stdcall
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get_pg_addr, 'GetPgAddr', \ ; eax
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\
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select_hw_cursor, 'SelectHwCursor', \ ; stdcall
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set_hw_cursor, 'SetHwCursor', \ ; stdcall
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@ -303,9 +306,10 @@ __exports:
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pci_write16, 'PciWrite16', \ ; stdcall
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pci_write32, 'PciWrite32', \ ; stdcall
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\
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reg_service, 'RegService', \
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reg_service, 'RegService', \ ; stdcall
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user_alloc, 'UserAlloc', \ ; stdcall
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user_free, 'UserFree', \ ; stdcall
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unmap_pages, 'UnmapPages', \ ; eax, ecx
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sys_msg_board_str, 'SysMsgBoardStr'
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@ -212,8 +212,7 @@ else
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jna @F
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xor eax, eax
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; add edi, new_app_base
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cld
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cld
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rep stosb
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@@:
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end if
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@ -453,12 +452,7 @@ proc create_app_space stdcall, app_size:dword,img_base:dword,img_size:dword
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if GREEDY_KERNEL
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mov eax, 0x02
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.reserve:
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stosd
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invlpg [edx]
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add edx, 4096
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dec ecx
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jnz .reserve
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rep stosd
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else
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.alloc:
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@ -507,6 +501,8 @@ proc destroy_page_table stdcall, pg_tab:dword
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mov eax, [esi]
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test eax, 1
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jz .next
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test eax, 1 shl 9
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jnz .next ;skip shared pages
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call free_page
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.next:
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add esi, 4
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@ -576,9 +572,8 @@ endp
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align 4
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get_pid:
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;mov eax, [TASK_DATA] ; I think it's the bug. (Rus)
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mov eax, [TASK_BASE]
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mov eax, [eax+4]
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mov eax, [eax+TASKDATA.pid]
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ret
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pid_to_slot:
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@ -178,7 +178,7 @@ macro OUT_PACKET0 reg, count
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inc edx
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}
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macro OUT_PACKET3 pkt, count \
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macro OUT_PACKET3 pkt, count
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{
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mov eax, (RADEON_CP_PACKET3 or pkt or (count shl 16))
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mov [edi+edx*4], eax
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@ -468,8 +468,6 @@ proc init_cursors
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.init:
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mov [cur_def_interl], ebx
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; stdcall load_pe_driver, szAtiHW
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stdcall load_driver, szHwMouse
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mov [hw_cursor], eax
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test eax, eax
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