forked from KolibriOS/kolibrios
mixed compilation
git-svn-id: svn://kolibrios.org@854 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
parent
c547e213e8
commit
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Binary file not shown.
@ -12,6 +12,11 @@ include "../proc32.inc"
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include "../kglobals.inc"
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include "../lang.inc"
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CR0_PE equ 0x00000001 ;protected mode
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CR0_WP equ 0x00010000 ;write protect
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CR0_PG equ 0x80000000 ;paging
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public _enter_bootscreen
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public _leave_bootscreen
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@ -60,7 +65,7 @@ include "../detect/biosdisk.inc"
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cli
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mov eax, cr0
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or eax, 0x80000001
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or eax, CR0_PG+CR0_WP+CR0_PE
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mov cr0, eax
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jmp pword 0x08:__setvars
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@ -17,7 +17,7 @@ extrn _sys_pdbr
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extrn _gdts
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extrn __edata
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section '.init' code readable align 16
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section '.start' code readable align 16
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use32
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@ -214,7 +214,7 @@ mouseunder equ (OS_BASE+0x0006900)
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CDDataBuf equ (OS_BASE+0x0007000)
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FLOPPY_BUFF equ (OS_BASE+0x0008000)
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ACTIVE_PROC_STACK equ (OS_BASE+0x000A400) ;unused
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idts equ (OS_BASE+0x000B100)
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WIN_STACK equ (OS_BASE+0x000C000)
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WIN_POS equ (OS_BASE+0x000C400)
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FDD_BUFF equ (OS_BASE+0x000D000)
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@ -17,16 +17,16 @@ macro export dllname,[label,string]
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forward
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count = count+1
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common
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dd 0,0,0, (module-OS_BASE) , 1
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dd count,count,(addresses-OS_BASE),(names-OS_BASE),(ordinal-OS_BASE)
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dd 0,0,0, (module+(0x100000000-OS_BASE)) , 1
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dd count,count,(addresses+(0x100000000-OS_BASE)),(names+(0x100000000-OS_BASE)),(ordinal+(0x100000000-OS_BASE))
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addresses:
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forward
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dd (label-OS_BASE)
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dd (label+(0x100000000-OS_BASE))
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common
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names:
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forward
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local name
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dd (name-OS_BASE)
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dd (name+(0x100000000-OS_BASE))
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common
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ordinal: count = 0
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forward
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@ -103,8 +103,8 @@ kernel_export:
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dd szPciWrite16 , pci_write16
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dd szPciWrite32 , pci_write32
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dd szAllocPage , alloc_page ;stdcall
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dd szAllocPages , alloc_pages ;stdcall
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dd szAllocPage , _alloc_page ;stdcall
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dd szAllocPages , _alloc_pages ;stdcall
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dd szFreePage , free_page
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dd szMapPage , map_page ;stdcall
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dd szMapSpace , map_space
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@ -575,7 +575,7 @@ proc kernel_alloc stdcall, size:dword
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and ebx, not 7
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push ebx
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stdcall alloc_pages, ebx
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stdcall _alloc_pages, ebx
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pop ecx ; yes ecx!!!
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test eax, eax
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jz .err
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@ -594,7 +594,7 @@ proc kernel_alloc stdcall, size:dword
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jz .end
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@@:
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push ecx
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call alloc_page
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call _alloc_page
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pop ecx
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test eax, eax
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jz .err
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@ -1,151 +0,0 @@
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DWORD equ dword
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WORD equ word
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BYTE equ byte
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PTR equ
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_init:
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push esi
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push ebx
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sub esp, 4
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mov eax, DWORD PTR [_boot_mbi]
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test BYTE PTR [eax], 2
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je .L2
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push ecx
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push ecx
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push DWORD PTR [eax+12]
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push .LC0
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call _printf
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add esp, 16
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.L2:
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mov eax, DWORD PTR [_boot_mbi]
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test BYTE PTR [eax], 4
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je L4
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push edx
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push edx
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push DWORD PTR [eax+16]
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push .LC1
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call _printf
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add esp, 16
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.L4:
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mov eax, DWORD PTR [_boot_mbi]
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test BYTE PTR [eax], 8
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je .L6
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push esi
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xor esi, esi
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push DWORD PTR [eax+24]
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push DWORD PTR [eax+20]
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push .LC2
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call _printf
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mov eax, DWORD PTR [_boot_mbi]
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mov ebx, DWORD PTR [eax+24]
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jmp .L22
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.L9:
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mov eax, DWORD PTR [ebx-12]
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inc esi
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push DWORD PTR [ebx-8]
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mov DWORD PTR [_pg_balloc], eax
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push eax
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push DWORD PTR [ebx-16]
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push .LC3
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call _printf
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.L22:
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mov eax, DWORD PTR [_boot_mbi]
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add esp, 16
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mov edx, ebx
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add ebx, 16
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cmp esi, DWORD PTR [eax+20]
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jb .L9
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mov edx, DWORD PTR [edx-16]
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push ebx
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push ebx
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sub edx, 536870912
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lea eax, [edx+512]
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mov DWORD PTR [_rd_fat], eax
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lea eax, [edx+4790]
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push edx
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push .LC4
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mov DWORD PTR [_rd_fat_end], eax
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lea eax, [edx+9728]
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mov DWORD PTR [_rd_root], eax
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lea eax, [edx+16896]
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mov DWORD PTR [_rd_base], edx
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mov DWORD PTR [_rd_root_end], eax
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call _printf
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add esp, 16
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.L6:
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mov eax, DWORD PTR [_boot_mbi]
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xor esi, esi
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test BYTE PTR [eax], 64
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je .L13
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push ecx
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push DWORD PTR [eax+44]
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push DWORD PTR [eax+48]
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push .LC5
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call _printf
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mov eax, DWORD PTR [_boot_mbi]
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add esp, 16
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mov ebx, DWORD PTR [eax+48]
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jmp .L14
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.L15:
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push edx
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push DWORD PTR [ebx+20]
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push DWORD PTR [ebx+12]
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push DWORD PTR [ebx+16]
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push DWORD PTR [ebx+4]
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push DWORD PTR [ebx+8]
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push DWORD PTR [ebx]
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push .LC6
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call _printf
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add esp, 32
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cmp DWORD PTR [ebx+20], 1
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jne .L16
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mov eax, DWORD PTR [ebx+4]
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add eax, DWORD PTR [ebx+12]
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and eax, -4096
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cmp esi, eax
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jae .L16
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mov esi, eax
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.L16:
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mov eax, DWORD PTR [ebx]
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add eax, 4
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lea ebx, [eax+ebx]
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.L14:
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mov edx, DWORD PTR [_boot_mbi]
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mov eax, DWORD PTR [edx+48]
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add eax, DWORD PTR [edx+44]
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cmp ebx, eax
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jb .L15
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cmp esi, 268435456
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jbe .L13
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mov esi, 268435456
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.L13:
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mov DWORD PTR [_mem_amount], esi
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pop eax
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pop ebx
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pop esi
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ret
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.LC0:
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db "boot_device = 0x%x",10,0
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.LC1:
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db "cmdline = %s",10,0
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.LC2:
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db "mods_count = %d, mods_addr = 0x%x",10,0
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.LC3:
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db " mod_start = 0x%x, mod_end = 0x%x, string = %s",10,0
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.LC4:
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db " rd_base = %x",10,0
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.LC5:
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db "mmap_addr = 0x%x, mmap_length = 0x%x",10,0
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.LC6:
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db " size = 0x%x, base_addr = 0x%x%x, length = 0x%x%x, type = 0x%x",10,0
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restore DWORD
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restore WORD
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restore BYTE
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restore PTR
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95
kernel/branches/kolibri_pe/core/init.c
Normal file
95
kernel/branches/kolibri_pe/core/init.c
Normal file
@ -0,0 +1,95 @@
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#include <types.h>
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#include <core.h>
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#include "multiboot.h"
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extern u32_t pg_balloc;
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extern u32_t mem_amount;
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extern u32_t rd_base;
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extern u32_t rd_fat ;
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extern u32_t rd_fat_end ;
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extern u32_t rd_root ;
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extern u32_t rd_root_end ;
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extern multiboot_info_t *boot_mbi;
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/* Check if the bit BIT in FLAGS is set. */
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#define CHECK_FLAG(flags,bit) ((flags) & (1 << (bit)))
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void init()
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{
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u32_t last_page = 0;
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if (CHECK_FLAG (boot_mbi->flags, 1))
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printf ("boot_device = 0x%x\n", (unsigned) boot_mbi->boot_device);
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/* Is the command line passed? */
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if (CHECK_FLAG (boot_mbi->flags, 2))
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printf ("cmdline = %s\n", (char *) boot_mbi->cmdline);
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/* Are mods_* valid? */
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if (CHECK_FLAG (boot_mbi->flags, 3))
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{
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module_t *mod;
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int i;
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printf ("mods_count = %d, mods_addr = 0x%x\n",
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(u32_t) boot_mbi->mods_count, (u32_t) boot_mbi->mods_addr);
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for (i = 0, mod = (module_t *) boot_mbi->mods_addr;
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i < boot_mbi->mods_count;i++, mod++)
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{
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pg_balloc = mod->mod_end;
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printf (" mod_start = 0x%x, mod_end = 0x%x, string = %s\n",
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(u32_t) mod->mod_start,(u32_t) mod->mod_end, (char *) mod->string);
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};
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mod--;
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rd_base = mod->mod_start+OS_BASE;
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rd_fat = rd_base + 512;
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rd_fat_end = rd_base + 512 + 4278;
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rd_root = rd_base + 512*19;
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rd_root_end = rd_base + 512*33;
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printf(" rd_base = %x\n", rd_base);
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}
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if (CHECK_FLAG (boot_mbi->flags, 6))
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{
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memory_map_t *mmap;
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u32_t page;
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printf ("mmap_addr = 0x%x, mmap_length = 0x%x\n",
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(unsigned) boot_mbi->mmap_addr, (unsigned) boot_mbi->mmap_length);
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for (mmap = (memory_map_t *) boot_mbi->mmap_addr;
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(u32_t) mmap < boot_mbi->mmap_addr + boot_mbi->mmap_length;
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mmap = (memory_map_t *) ((u32_t) mmap
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+ mmap->size + sizeof (mmap->size)))
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{
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u32_t page;
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printf (" size = 0x%x, base_addr = 0x%x%x,"
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" length = 0x%x%x, type = 0x%x\n",
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(unsigned) mmap->size,
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(unsigned) mmap->base_addr_high,
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(unsigned) mmap->base_addr_low,
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(unsigned) mmap->length_high,
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(unsigned) mmap->length_low,
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(unsigned) mmap->type);
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if( mmap->type != 1)
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continue;
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page = (mmap->base_addr_low+mmap->length_low)&(~4095);
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if(page > last_page)
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last_page = page;
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}
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}
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if(last_page > 256*1024*1024)
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last_page = 256*1024*1024;
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mem_amount = last_page;
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};
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@ -231,7 +231,7 @@ proc init_LFB
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cmp dword [LFBAddress], -1
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jne @f
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mov [BOOT_VAR+0x901c],byte 2
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stdcall alloc_pages, 0x280000 shr 12
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stdcall _alloc_pages, 0x280000 shr 12
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add eax, OS_BASE
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mov [LFBAddress], eax
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ret
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@ -325,7 +325,7 @@ proc new_mem_resize stdcall, new_size:dword
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xchg esi, edi
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@@:
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call alloc_page
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call _alloc_page
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test eax, eax
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jz .exit
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@ -347,7 +347,7 @@ proc new_mem_resize stdcall, new_size:dword
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pop edi
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pop esi
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@@:
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call alloc_page
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call _alloc_page
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test eax, eax
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jz .exit
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stdcall map_page,esi,eax,dword PG_UW
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@ -477,17 +477,21 @@ proc page_fault_handler
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align 4
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.kernel_heap:
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mov ecx, ebx
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shr ebx, 22
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mov edx, [master_tab + ebx*4]
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test edx, PG_MAP
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jz .check_ptab ;òàáëèöà ñòðàíèö íå ñîçäàíà
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shr ecx, 12
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mov eax, [page_tabs+ecx*4]
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.check_ptab:
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mov edx, [_sys_pdbr + ebx*4]
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test edx, PG_MAP
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jnz @F
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call alloc_page
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call _alloc_page
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test eax, eax
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jz .fail
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@ -522,7 +526,7 @@ align 4
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jz .fail ;àäðåñ íå çàðåçåðâèðîâàí äëÿ ;
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;èñïîëüçîâàíèÿ. Îøèáêà
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.alloc:
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call alloc_page
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call _alloc_page
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test eax, eax
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jz .fail
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@ -566,7 +570,7 @@ align 4
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; io permission map
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; copy-on-write protection
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call alloc_page
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call _alloc_page
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test eax, eax
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jz .fail
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@ -1180,7 +1184,7 @@ proc create_ring_buffer stdcall, size:dword, flags:dword
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shr ebx, 12
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push ebx
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stdcall alloc_pages, ebx
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stdcall _alloc_pages, ebx
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pop ecx
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test eax, eax
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@ -1,687 +0,0 @@
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DWORD equ dword
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WORD equ word
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BYTE equ byte
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PTR equ
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_mem_counter equ (BOOT_VAR + 0x9100)
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_mem_table equ (BOOT_VAR + 0x9104)
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_spinlock_initialize:
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mov eax, DWORD PTR [esp+4]
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mov DWORD PTR [eax], 0
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ret
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_buddy_find_block:
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push ebx
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mov eax, DWORD PTR [eax+12]
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mov ebx, ecx
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sub edx, eax
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sar edx, 2
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imul ecx, edx, -858993459
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lea eax, [eax+edx*4]
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.L4:
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cmp DWORD PTR [eax+12], ebx
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jne .L7
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sub ecx, 1
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sub eax, 20
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cmp ecx, -1
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jne .L4
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xor eax, eax
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.L7:
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pop ebx
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ret
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@buddy_system_free@8:
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push ebp
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mov ebp, edx
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push edi
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push esi
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mov esi, edx
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push ebx
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sub esp, 8
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mov ebx, DWORD PTR [edx+12]
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mov DWORD PTR [esp+4], ecx
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cmp BYTE PTR [ecx+24], bl
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mov edi, ebx
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je .L17
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mov edx, DWORD PTR [ecx+12]
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mov DWORD PTR [esp], edx
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jmp .L15
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.L30:
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mov eax, 1
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sal eax, cl
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add edx, eax
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mov eax, DWORD PTR [esp+4]
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cmp edx, DWORD PTR [eax+8]
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jae .L17
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.L31:
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lea eax, [edx+edx*4]
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mov edx, DWORD PTR [esp]
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lea ecx, [edx+eax*4]
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cmp ebx, DWORD PTR [ecx+12]
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jne .L17
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mov eax, DWORD PTR [ecx+8]
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test eax, eax
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jne .L17
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mov eax, DWORD PTR [ecx+4]
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cmp esi, ecx
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mov edx, DWORD PTR [ecx]
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mov DWORD PTR [esi+12], 255
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mov DWORD PTR [ecx+12], 255
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mov DWORD PTR [eax], edx
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mov edx, DWORD PTR [ecx]
|
||||
mov DWORD PTR [ecx], 0
|
||||
mov DWORD PTR [edx+4], eax
|
||||
mov edx, ebp
|
||||
mov DWORD PTR [ecx+4], 0
|
||||
jb .L26
|
||||
mov edx, ecx
|
||||
.L26:
|
||||
mov ecx, edi
|
||||
mov esi, edx
|
||||
movzx eax, cl
|
||||
mov ebp, edx
|
||||
lea ebx, [eax+1]
|
||||
mov eax, DWORD PTR [esp+4]
|
||||
mov DWORD PTR [edx+12], ebx
|
||||
movzx edi, BYTE PTR [eax+24]
|
||||
mov edx, edi
|
||||
cmp dl, bl
|
||||
je .L17
|
||||
mov edi, ebx
|
||||
.L15:
|
||||
mov eax, esi
|
||||
mov ecx, ebx
|
||||
sub eax, DWORD PTR [esp]
|
||||
sar eax, 2
|
||||
imul edx, eax, -858993459
|
||||
mov eax, edx
|
||||
shr eax, cl
|
||||
test al, 1
|
||||
je .L30
|
||||
mov eax, 1
|
||||
mov ecx, ebx
|
||||
sal eax, cl
|
||||
sub edx, eax
|
||||
mov eax, DWORD PTR [esp+4]
|
||||
cmp edx, DWORD PTR [eax+8]
|
||||
jb .L31
|
||||
.L17:
|
||||
mov ecx, edi
|
||||
movzx edx, cl
|
||||
mov ecx, DWORD PTR [esp+4]
|
||||
mov eax, DWORD PTR [ecx+28+edx*8]
|
||||
mov DWORD PTR [ebp], eax
|
||||
lea eax, [ecx+28+edx*8]
|
||||
mov DWORD PTR [ebp+4], eax
|
||||
mov eax, DWORD PTR [ecx+28+edx*8]
|
||||
mov DWORD PTR [ecx+28+edx*8], ebp
|
||||
mov DWORD PTR [eax+4], ebp
|
||||
add esp, 8
|
||||
pop ebx
|
||||
pop esi
|
||||
pop edi
|
||||
pop ebp
|
||||
ret
|
||||
|
||||
@buddy_system_alloc_block@8:
|
||||
push ebp
|
||||
mov ebp, ecx
|
||||
push edi
|
||||
mov ecx, 255
|
||||
push esi
|
||||
mov eax, ebp
|
||||
push ebx
|
||||
sub esp, 4
|
||||
mov DWORD PTR [esp], edx
|
||||
call _buddy_find_block
|
||||
mov ebx, eax
|
||||
mov eax, DWORD PTR [eax+4]
|
||||
mov edx, DWORD PTR [ebx]
|
||||
mov DWORD PTR [eax], edx
|
||||
mov edx, DWORD PTR [ebx]
|
||||
mov DWORD PTR [ebx], 0
|
||||
mov DWORD PTR [edx+4], eax
|
||||
mov eax, DWORD PTR [ebx+12]
|
||||
mov DWORD PTR [ebx+4], 0
|
||||
test eax, eax
|
||||
jne .L38
|
||||
jmp .L34
|
||||
.L35:
|
||||
mov DWORD PTR [ebx+8], 1
|
||||
mov edx, esi
|
||||
mov ecx, ebp
|
||||
call @buddy_system_free@8
|
||||
mov eax, DWORD PTR [ebx+12]
|
||||
mov DWORD PTR [ebx+8], 0
|
||||
test eax, eax
|
||||
je .L34
|
||||
.L38:
|
||||
lea ecx, [eax-1]
|
||||
mov edx, DWORD PTR [esp]
|
||||
mov eax, 20
|
||||
sal eax, cl
|
||||
lea edi, [ebx+eax]
|
||||
mov eax, ebp
|
||||
mov DWORD PTR [ebx+12], ecx
|
||||
mov esi, edi
|
||||
mov DWORD PTR [edi+12], ecx
|
||||
mov ecx, 255
|
||||
call _buddy_find_block
|
||||
cmp edi, eax
|
||||
jne .L35
|
||||
mov esi, ebx
|
||||
mov ebx, edi
|
||||
jmp .L35
|
||||
.L34:
|
||||
mov DWORD PTR [ebx+8], 1
|
||||
mov eax, ebx
|
||||
add esp, 4
|
||||
pop ebx
|
||||
pop esi
|
||||
pop edi
|
||||
pop ebp
|
||||
ret
|
||||
|
||||
_zone_release:
|
||||
push edi
|
||||
push esi
|
||||
push ebx
|
||||
mov esi, DWORD PTR [esp+16]
|
||||
mov eax, DWORD PTR [esp+20]
|
||||
mov edi, DWORD PTR [esp+24]
|
||||
mov edx, DWORD PTR [esi+4]
|
||||
add edi, eax
|
||||
cmp edi, edx
|
||||
jb .L48
|
||||
mov ebx, edx
|
||||
add ebx, DWORD PTR [esi+8]
|
||||
cmp eax, ebx
|
||||
ja .L48
|
||||
cmp eax, edx
|
||||
mov ecx, eax
|
||||
jae .L44
|
||||
mov ecx, edx
|
||||
.L44:
|
||||
cmp edi, ebx
|
||||
jbe .L45
|
||||
mov edi, ebx
|
||||
.L45:
|
||||
cmp ecx, edi
|
||||
jae .L48
|
||||
mov ebx, ecx
|
||||
.L47:
|
||||
mov edx, DWORD PTR [esi+12]
|
||||
mov eax, ecx
|
||||
add ebx, 1
|
||||
sub eax, DWORD PTR [esi+4]
|
||||
lea eax, [eax+eax*4]
|
||||
mov DWORD PTR [edx+8+eax*4], 0
|
||||
sub ecx, DWORD PTR [esi+4]
|
||||
lea edx, [ecx+ecx*4]
|
||||
mov ecx, esi
|
||||
sal edx, 2
|
||||
add edx, DWORD PTR [esi+12]
|
||||
call @buddy_system_free@8
|
||||
cmp edi, ebx
|
||||
mov ecx, ebx
|
||||
ja .L47
|
||||
.L48:
|
||||
pop ebx
|
||||
pop esi
|
||||
pop edi
|
||||
ret
|
||||
|
||||
_zone_reserve:
|
||||
push edi
|
||||
push esi
|
||||
push ebx
|
||||
mov esi, DWORD PTR [esp+16]
|
||||
mov eax, DWORD PTR [esp+20]
|
||||
mov ebx, DWORD PTR [esp+24]
|
||||
mov edx, DWORD PTR [esi+4]
|
||||
add ebx, eax
|
||||
cmp ebx, edx
|
||||
jb .L61
|
||||
mov ecx, edx
|
||||
add ecx, DWORD PTR [esi+8]
|
||||
cmp eax, ecx
|
||||
ja .L61
|
||||
cmp eax, edx
|
||||
jae .L54
|
||||
mov eax, edx
|
||||
.L54:
|
||||
cmp ebx, ecx
|
||||
mov edi, ebx
|
||||
jbe .L55
|
||||
mov edi, ecx
|
||||
.L55:
|
||||
cmp eax, edi
|
||||
jae .L61
|
||||
mov ebx, eax
|
||||
jmp .L57
|
||||
.L58:
|
||||
add ebx, 1
|
||||
cmp edi, ebx
|
||||
mov eax, ebx
|
||||
jbe .L61
|
||||
.L62:
|
||||
mov edx, DWORD PTR [esi+4]
|
||||
.L57:
|
||||
sub eax, edx
|
||||
lea eax, [eax+eax*4]
|
||||
lea edx, [0+eax*4]
|
||||
add edx, DWORD PTR [esi+12]
|
||||
mov ecx, DWORD PTR [edx+8]
|
||||
test ecx, ecx
|
||||
jne .L58
|
||||
add ebx, 1
|
||||
mov ecx, esi
|
||||
call @buddy_system_alloc_block@8
|
||||
mov eax, ebx
|
||||
sub DWORD PTR [esi+16], 1
|
||||
cmp edi, ebx
|
||||
ja .L62
|
||||
.L61:
|
||||
pop ebx
|
||||
pop esi
|
||||
pop edi
|
||||
ret
|
||||
|
||||
@buddy_system_alloc@8:
|
||||
sub esp, 12
|
||||
mov DWORD PTR [esp], ebx
|
||||
lea eax, [ecx+28+edx*8]
|
||||
mov ebx, edx
|
||||
mov DWORD PTR [esp+4], esi
|
||||
mov esi, ecx
|
||||
mov DWORD PTR [esp+8], edi
|
||||
cmp DWORD PTR [ecx+32+edx*8], eax
|
||||
je .L64
|
||||
mov ecx, DWORD PTR [ecx+32+edx*8]
|
||||
mov eax, DWORD PTR [ecx+4]
|
||||
mov edx, DWORD PTR [ecx]
|
||||
mov DWORD PTR [ecx+8], 1
|
||||
mov DWORD PTR [eax], edx
|
||||
mov edx, DWORD PTR [ecx]
|
||||
mov DWORD PTR [ecx], 0
|
||||
mov DWORD PTR [edx+4], eax
|
||||
mov DWORD PTR [ecx+4], 0
|
||||
.L66:
|
||||
mov ebx, DWORD PTR [esp]
|
||||
mov eax, ecx
|
||||
mov esi, DWORD PTR [esp+4]
|
||||
mov edi, DWORD PTR [esp+8]
|
||||
add esp, 12
|
||||
ret
|
||||
.L64:
|
||||
movzx eax, BYTE PTR [ecx+24]
|
||||
cmp eax, edx
|
||||
jne .L71
|
||||
.L67:
|
||||
xor ecx, ecx
|
||||
jmp .L66
|
||||
.L71:
|
||||
lea edx, [edx+1]
|
||||
call @buddy_system_alloc@8
|
||||
test eax, eax
|
||||
mov edi, eax
|
||||
je .L67
|
||||
mov ecx, DWORD PTR [eax+12]
|
||||
mov edx, 20
|
||||
mov DWORD PTR [eax+12], ebx
|
||||
mov DWORD PTR [eax+8], 1
|
||||
sub ecx, 1
|
||||
sal edx, cl
|
||||
mov ecx, esi
|
||||
add edx, eax
|
||||
mov DWORD PTR [edx+12], ebx
|
||||
call @buddy_system_free@8
|
||||
mov ecx, edi
|
||||
jmp .L66
|
||||
|
||||
_zone_frame_alloc:
|
||||
sub esp, 8
|
||||
mov ecx, eax
|
||||
mov DWORD PTR [esp], ebx
|
||||
mov ebx, eax
|
||||
mov DWORD PTR [esp+4], esi
|
||||
mov esi, edx
|
||||
call @buddy_system_alloc@8
|
||||
mov ecx, esi
|
||||
mov edx, 1
|
||||
sal edx, cl
|
||||
mov esi, DWORD PTR [esp+4]
|
||||
sub DWORD PTR [ebx+16], edx
|
||||
sub eax, DWORD PTR [ebx+12]
|
||||
add DWORD PTR [ebx+20], edx
|
||||
mov ebx, DWORD PTR [esp]
|
||||
add esp, 8
|
||||
sar eax, 2
|
||||
imul eax, eax, -858993459
|
||||
ret
|
||||
|
||||
_frame_set_parent:
|
||||
mov eax, DWORD PTR [esp+4]
|
||||
sub eax, DWORD PTR [_z_core+4]
|
||||
mov ecx, DWORD PTR [esp+8]
|
||||
mov edx, DWORD PTR [_z_core+12]
|
||||
lea eax, [eax+eax*4]
|
||||
mov DWORD PTR [edx+16+eax*4], ecx
|
||||
ret
|
||||
|
||||
@zone_free@8:
|
||||
sub esp, 8
|
||||
lea edx, [edx+edx*4]
|
||||
mov DWORD PTR [esp], ebx
|
||||
sal edx, 2
|
||||
mov ebx, ecx
|
||||
mov DWORD PTR [esp+4], esi
|
||||
add edx, DWORD PTR [ecx+12]
|
||||
mov eax, DWORD PTR [edx+8]
|
||||
mov esi, DWORD PTR [edx+12]
|
||||
sub eax, 1
|
||||
test eax, eax
|
||||
mov DWORD PTR [edx+8], eax
|
||||
jne .L79
|
||||
call @buddy_system_free@8
|
||||
mov eax, 1
|
||||
mov ecx, esi
|
||||
sal eax, cl
|
||||
add DWORD PTR [ebx+16], eax
|
||||
sub DWORD PTR [ebx+20], eax
|
||||
.L79:
|
||||
mov ebx, DWORD PTR [esp]
|
||||
mov esi, DWORD PTR [esp+4]
|
||||
add esp, 8
|
||||
ret
|
||||
|
||||
|
||||
@zone_alloc@8:
|
||||
sub esp, 8
|
||||
mov DWORD PTR [esp], ebx
|
||||
mov ebx, ecx
|
||||
mov DWORD PTR [esp+4], esi
|
||||
|
||||
pushf
|
||||
pop esi
|
||||
cli
|
||||
|
||||
@@:
|
||||
pause
|
||||
mov eax, [_z_core]
|
||||
test eax, eax
|
||||
jnz @b
|
||||
inc eax
|
||||
xchg [_z_core], eax
|
||||
test eax, eax
|
||||
jnz @b
|
||||
|
||||
mov eax, ecx
|
||||
call _zone_frame_alloc
|
||||
mov edx, DWORD PTR [ebx+4]
|
||||
mov DWORD PTR [ebx], 0
|
||||
|
||||
push esi
|
||||
popf
|
||||
|
||||
mov ebx, DWORD PTR [esp]
|
||||
add eax, edx
|
||||
mov esi, DWORD PTR [esp+4]
|
||||
sal eax, 12
|
||||
add esp, 8
|
||||
ret
|
||||
|
||||
alloc_page:
|
||||
_alloc_page:
|
||||
push ebx
|
||||
|
||||
pushf
|
||||
pop ebx
|
||||
cli
|
||||
@@:
|
||||
pause
|
||||
mov eax, [_z_core]
|
||||
test eax, eax
|
||||
jnz @b
|
||||
inc eax
|
||||
xchg [_z_core], eax
|
||||
test eax, eax
|
||||
jnz @b
|
||||
|
||||
push edx
|
||||
xor edx, edx
|
||||
mov eax, _z_core
|
||||
call _zone_frame_alloc
|
||||
pop edx
|
||||
mov [_z_core], 0
|
||||
|
||||
push ebx
|
||||
popf
|
||||
|
||||
pop ebx
|
||||
sal eax, 12
|
||||
ret
|
||||
|
||||
alloc_pages:
|
||||
_alloc_pages@4:
|
||||
push ebx
|
||||
|
||||
pushf
|
||||
pop ebx
|
||||
cli
|
||||
@@:
|
||||
pause
|
||||
mov eax, [_z_core]
|
||||
test eax, eax
|
||||
jnz @b
|
||||
inc eax
|
||||
xchg [_z_core], eax
|
||||
test eax, eax
|
||||
jnz @b
|
||||
|
||||
mov eax, DWORD PTR [esp+8]
|
||||
add eax, 7
|
||||
and eax, -8
|
||||
|
||||
xor ecx, ecx
|
||||
bsr ecx, eax
|
||||
inc ecx
|
||||
|
||||
push edx
|
||||
|
||||
mov edx, ecx
|
||||
mov eax, _z_core
|
||||
call _zone_frame_alloc
|
||||
pop edx
|
||||
|
||||
mov [_z_core], 0
|
||||
push ebx
|
||||
popf
|
||||
|
||||
pop ebx
|
||||
sal eax, 12
|
||||
ret 4
|
||||
|
||||
_zone_create:
|
||||
push esi
|
||||
push ebx
|
||||
sub esp, 4
|
||||
mov ebx, DWORD PTR [esp+16]
|
||||
mov esi, DWORD PTR [esp+24]
|
||||
mov DWORD PTR [esp], ebx
|
||||
call _spinlock_initialize
|
||||
mov eax, DWORD PTR [esp+20]
|
||||
mov DWORD PTR [ebx+8], esi
|
||||
mov DWORD PTR [ebx+16], esi
|
||||
mov DWORD PTR [ebx+20], 0
|
||||
mov DWORD PTR [ebx+4], eax
|
||||
|
||||
xor eax, eax
|
||||
bsr eax, esi
|
||||
|
||||
xor edx, edx
|
||||
mov BYTE PTR [ebx+24], al
|
||||
.L81:
|
||||
lea eax, [ebx+28+edx*8]
|
||||
mov DWORD PTR [ebx+28+edx*8], eax
|
||||
mov DWORD PTR [ebx+32+edx*8], eax
|
||||
movzx eax, BYTE PTR [ebx+24]
|
||||
add edx, 1
|
||||
cmp eax, edx
|
||||
jae .L81
|
||||
lea ecx, [esi+esi*4]
|
||||
sal ecx, 2
|
||||
call @balloc@4
|
||||
test esi, esi
|
||||
mov DWORD PTR [ebx+12], eax
|
||||
je .L83
|
||||
xor ecx, ecx
|
||||
xor edx, edx
|
||||
.L85:
|
||||
mov eax, edx
|
||||
add ecx, 1
|
||||
add eax, DWORD PTR [ebx+12]
|
||||
add edx, 20
|
||||
cmp ecx, esi
|
||||
mov DWORD PTR [eax+8], 1
|
||||
mov DWORD PTR [eax+12], 0
|
||||
jne .L85
|
||||
.L83:
|
||||
add esp, 4
|
||||
mov eax, 1
|
||||
pop ebx
|
||||
pop esi
|
||||
ret
|
||||
|
||||
_init_mm:
|
||||
push ebx
|
||||
sub esp, 24
|
||||
mov eax, DWORD PTR [_mem_amount]
|
||||
mov DWORD PTR [esp], .LC3
|
||||
mov ebx, eax
|
||||
shr ebx, 12
|
||||
mov DWORD PTR [esp+8], ebx
|
||||
mov DWORD PTR [esp+4], eax
|
||||
call _printf
|
||||
mov eax, DWORD PTR [_pg_balloc]
|
||||
mov DWORD PTR [esp], .LC4
|
||||
mov DWORD PTR [esp+8], eax
|
||||
lea eax, [ebx+ebx*4]
|
||||
sal eax, 2
|
||||
mov DWORD PTR [esp+4], eax
|
||||
call _printf
|
||||
mov DWORD PTR [esp+8], ebx
|
||||
mov DWORD PTR [esp+4], 0
|
||||
mov DWORD PTR [esp], _z_core
|
||||
call _zone_create
|
||||
mov DWORD PTR [esp+8], ebx
|
||||
mov DWORD PTR [esp+4], 0
|
||||
mov DWORD PTR [esp], _z_core
|
||||
call _zone_release
|
||||
mov eax, DWORD PTR [_pg_balloc]
|
||||
mov DWORD PTR [esp+4], 0
|
||||
mov DWORD PTR [esp], _z_core
|
||||
shr eax, 12
|
||||
mov DWORD PTR [esp+8], eax
|
||||
call _zone_reserve
|
||||
add esp, 24
|
||||
pop ebx
|
||||
ret
|
||||
.LC3:
|
||||
db "last page = %x total pages = %x",10,0
|
||||
.LC4:
|
||||
db "conf_size = %x free mem start =%x",10,0
|
||||
|
||||
|
||||
_frame_free:
|
||||
push ebx
|
||||
mov edx, DWORD PTR [esp+8]
|
||||
|
||||
pushf
|
||||
pop ebx
|
||||
cli
|
||||
@@:
|
||||
pause
|
||||
mov eax, [_z_core]
|
||||
test eax, eax
|
||||
jnz @b
|
||||
inc eax
|
||||
xchg [_z_core], eax
|
||||
test eax, eax
|
||||
jnz @b
|
||||
|
||||
mov ecx, _z_core
|
||||
shr edx, 12
|
||||
call @zone_free@8
|
||||
mov [_z_core], 0
|
||||
|
||||
push ebx
|
||||
popf
|
||||
|
||||
pop ebx
|
||||
ret
|
||||
|
||||
_core_free:
|
||||
push ebx
|
||||
mov edx, DWORD PTR [esp+8]
|
||||
|
||||
pushf
|
||||
pop ebx
|
||||
cli
|
||||
@@:
|
||||
pause
|
||||
mov eax, [_z_core]
|
||||
test eax, eax
|
||||
jnz @b
|
||||
inc eax
|
||||
xchg [_z_core], eax
|
||||
test eax, eax
|
||||
jnz @b
|
||||
|
||||
mov ecx, _z_core
|
||||
shr edx, 12
|
||||
call @zone_free@8
|
||||
mov [_z_core], 0
|
||||
|
||||
push ebx
|
||||
popf
|
||||
|
||||
pop ebx
|
||||
ret
|
||||
|
||||
_core_alloc:
|
||||
push ebx
|
||||
pushf
|
||||
pop ebx
|
||||
cli
|
||||
@@:
|
||||
pause
|
||||
mov eax, [_z_core]
|
||||
test eax, eax
|
||||
jnz @b
|
||||
inc eax
|
||||
xchg [_z_core], eax
|
||||
test eax, eax
|
||||
jnz @b
|
||||
|
||||
mov edx, DWORD PTR [esp+8]
|
||||
mov eax, _z_core
|
||||
call _zone_frame_alloc
|
||||
mov [_z_core], 0
|
||||
|
||||
push ebx
|
||||
popf
|
||||
|
||||
pop ebx
|
||||
sal eax, 12
|
||||
ret
|
||||
|
||||
|
||||
restore DWORD
|
||||
restore WORD
|
||||
restore BYTE
|
||||
|
||||
restore PTR
|
||||
|
644
kernel/branches/kolibri_pe/core/mm.c
Normal file
644
kernel/branches/kolibri_pe/core/mm.c
Normal file
@ -0,0 +1,644 @@
|
||||
|
||||
#include <types.h>
|
||||
#include <core.h>
|
||||
#include <spinlock.h>
|
||||
#include <link.h>
|
||||
#include <mm.h>
|
||||
|
||||
extern u32_t pg_balloc;
|
||||
|
||||
extern u32_t mem_amount;
|
||||
|
||||
void __fastcall *balloc(u32_t size);
|
||||
|
||||
zone_t z_core;
|
||||
|
||||
static inline u32_t save_edx(void)
|
||||
{
|
||||
u32_t val;
|
||||
asm volatile ("mov %0, edx":"=r"(val));
|
||||
return val;
|
||||
};
|
||||
|
||||
static inline void restore_edx(u32_t val)
|
||||
{
|
||||
asm volatile (""::"d" (val) );
|
||||
};
|
||||
|
||||
static void buddy_system_create(zone_t *z);
|
||||
static void __fastcall buddy_system_free(zone_t *z, link_t *block);
|
||||
static void zone_mark_unavailable(zone_t *zone, index_t frame_idx);
|
||||
|
||||
static addr_t __fastcall zone_alloc(zone_t *zone, u32_t order);
|
||||
|
||||
size_t buddy_conf_size(int max_order);
|
||||
|
||||
static inline void frame_initialize(frame_t *frame);
|
||||
|
||||
static inline u32_t fnzb(u32_t arg);
|
||||
|
||||
void init_mm();
|
||||
|
||||
|
||||
static void zone_create(zone_t *z, pfn_t start, count_t count);
|
||||
static void zone_reserve(zone_t *z, pfn_t base, count_t count);
|
||||
static void zone_release(zone_t *z, pfn_t base, count_t count);
|
||||
|
||||
|
||||
void init_mm()
|
||||
{
|
||||
int i;
|
||||
|
||||
u32_t base;
|
||||
u32_t size;
|
||||
count_t pages;
|
||||
size_t conf_size;
|
||||
size_t core_size;
|
||||
|
||||
pages = mem_amount >> FRAME_WIDTH;
|
||||
printf("last page = %x total pages = %x\n",mem_amount, pages);
|
||||
|
||||
conf_size = pages*sizeof(frame_t);
|
||||
printf("conf_size = %x free mem start =%x\n",conf_size, pg_balloc);
|
||||
|
||||
zone_create(&z_core, 0, pages);
|
||||
|
||||
zone_release(&z_core, 0, pages);
|
||||
zone_reserve(&z_core, 0, pg_balloc >> FRAME_WIDTH);
|
||||
|
||||
|
||||
#if 0
|
||||
core_size = (pg_free+conf_size+1024*1024*5)&(-1024*1024*4);
|
||||
// printf("core size = %x core heap = %x\n",core_size,core_size-conf_size-pg_free);
|
||||
|
||||
u32_t p0, p1;
|
||||
u32_t b0, b1;
|
||||
|
||||
p0 = core_size>>12;
|
||||
p1 = (last_page-core_size)>>12;
|
||||
|
||||
b0 = p0*sizeof(frame_t);
|
||||
b1 = p1*sizeof(frame_t);
|
||||
|
||||
// printf("buddy_0: %x pages conf_size %x\n", p0, b0);
|
||||
// printf("buddy_1: %x pages conf_size %x\n", p1, b1);
|
||||
|
||||
zone_create(&z_core, 0, p0);
|
||||
zone_create(&z_user, p0, p1);
|
||||
|
||||
// printf("free mem start = %x\n",pg_balloc);
|
||||
|
||||
for(i = 0; i < mem_counter; i++)
|
||||
{
|
||||
u32_t page;
|
||||
if( mem_table[i].type != 1)
|
||||
continue;
|
||||
page = (mem_table[i].base+mem_table[i].size)&(~4095);
|
||||
if(page > last_page)
|
||||
last_page = page;
|
||||
|
||||
zone_release(&z_core,mem_table[i].base>>12, mem_table[i].size>>12);
|
||||
zone_release(&z_user,mem_table[i].base>>12, mem_table[i].size>>12);
|
||||
};
|
||||
zone_reserve(&z_core, 0x100000>>12,(pg_balloc-OS_BASE-0x100000)>>12);
|
||||
#endif
|
||||
};
|
||||
|
||||
static void zone_create(zone_t *z, pfn_t start, count_t count)
|
||||
{
|
||||
unsigned int i;
|
||||
// int znum;
|
||||
|
||||
/* Theoretically we could have here 0, practically make sure
|
||||
* nobody tries to do that. If some platform requires, remove
|
||||
* the assert
|
||||
*/
|
||||
// ASSERT(confframe);
|
||||
/* If conframe is supposed to be inside our zone, then make sure
|
||||
* it does not span kernel & init
|
||||
*/
|
||||
|
||||
// printf("create zone: base %x count %x\n", start, count);
|
||||
|
||||
spinlock_initialize(&z->lock);
|
||||
z->base = start;
|
||||
z->count = count;
|
||||
z->free_count = count;
|
||||
z->busy_count = 0;
|
||||
|
||||
z->max_order = fnzb(count);
|
||||
|
||||
ASSERT(z->max_order < BUDDY_SYSTEM_INNER_BLOCK);
|
||||
|
||||
for (i = 0; i <= z->max_order; i++)
|
||||
list_initialize(&z->order[i]);
|
||||
|
||||
z->frames = (frame_t *)balloc(count*sizeof(frame_t));
|
||||
|
||||
for (i = 0; i < count; i++) {
|
||||
frame_initialize(&z->frames[i]);
|
||||
}
|
||||
}
|
||||
|
||||
static void zone_reserve(zone_t *z, pfn_t base, count_t count)
|
||||
{
|
||||
int i;
|
||||
pfn_t top = base+count;
|
||||
|
||||
if( (base+count < z->base)||(base > z->base+z->count))
|
||||
return;
|
||||
|
||||
if(base < z->base)
|
||||
base = z->base;
|
||||
|
||||
if(top > z->base+z->count)
|
||||
top = z->base+z->count;
|
||||
|
||||
printf("zone reserve base %x top %x\n", base, top);
|
||||
|
||||
for (i = base; i < top; i++)
|
||||
zone_mark_unavailable(z, i - z->base);
|
||||
|
||||
};
|
||||
|
||||
static void zone_release(zone_t *z, pfn_t base, count_t count)
|
||||
{
|
||||
int i;
|
||||
pfn_t top = base+count;
|
||||
|
||||
if( (base+count < z->base)||(base > z->base+z->count))
|
||||
return;
|
||||
|
||||
if(base < z->base)
|
||||
base = z->base;
|
||||
|
||||
if(top > z->base+z->count)
|
||||
top = z->base+z->count;
|
||||
|
||||
printf("zone release base %x top %x\n", base, top);
|
||||
|
||||
for (i = base; i < top; i++) {
|
||||
z->frames[i-z->base].refcount = 0;
|
||||
buddy_system_free(z, &z->frames[i-z->base].buddy_link);
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
static inline index_t frame_index(zone_t *zone, frame_t *frame)
|
||||
{
|
||||
return (index_t) (frame - zone->frames);
|
||||
}
|
||||
|
||||
static inline index_t frame_index_abs(zone_t *zone, frame_t *frame)
|
||||
{
|
||||
return (index_t) (frame - zone->frames);
|
||||
}
|
||||
|
||||
static inline int frame_index_valid(zone_t *zone, index_t index)
|
||||
{
|
||||
return (index < zone->count);
|
||||
}
|
||||
|
||||
/** Compute pfn_t from frame_t pointer & zone pointer */
|
||||
static inline index_t make_frame_index(zone_t *zone, frame_t *frame)
|
||||
{
|
||||
return (frame - zone->frames);
|
||||
}
|
||||
|
||||
static inline void frame_initialize(frame_t *frame)
|
||||
{
|
||||
frame->refcount = 1;
|
||||
frame->buddy_order = 0;
|
||||
}
|
||||
|
||||
static inline count_t fnzb(u32_t arg)
|
||||
{
|
||||
int n;
|
||||
asm volatile ("xor %0, %0 \n\t"
|
||||
"bsr %0, %1"
|
||||
:"=r" (n)
|
||||
:"r"(arg)
|
||||
);
|
||||
return n;
|
||||
}
|
||||
|
||||
static link_t *buddy_find_block(zone_t *zone, link_t *child,
|
||||
u32_t order)
|
||||
{
|
||||
frame_t *frame;
|
||||
index_t index;
|
||||
|
||||
frame = (frame_t*)child;
|
||||
|
||||
index = frame_index(zone, frame);
|
||||
do {
|
||||
if (zone->frames[index].buddy_order != order) {
|
||||
return &zone->frames[index].buddy_link;
|
||||
}
|
||||
} while(index-- > 0);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static inline link_t * buddy_bisect(zone_t *z, link_t *block) {
|
||||
frame_t *frame_l, *frame_r;
|
||||
|
||||
frame_l = (frame_t*)block;
|
||||
frame_r = (frame_l + (1 << (frame_l->buddy_order - 1)));
|
||||
|
||||
return &frame_r->buddy_link;
|
||||
}
|
||||
|
||||
static inline u32_t buddy_get_order(zone_t *z, link_t *block) {
|
||||
frame_t *frame = (frame_t*)block;
|
||||
return frame->buddy_order;
|
||||
}
|
||||
|
||||
static inline void buddy_set_order(zone_t *z, link_t *block,
|
||||
u32_t order) {
|
||||
frame_t *frame = (frame_t*)block;
|
||||
frame->buddy_order = order;
|
||||
}
|
||||
|
||||
static link_t *buddy_coalesce(zone_t *z, link_t *block_1,
|
||||
link_t *block_2)
|
||||
{
|
||||
frame_t *frame1, *frame2;
|
||||
|
||||
frame1 = (frame_t*)block_1;
|
||||
frame2 = (frame_t*)block_2;
|
||||
|
||||
return frame1 < frame2 ? block_1 : block_2;
|
||||
}
|
||||
|
||||
static inline void buddy_mark_busy(zone_t *z, link_t * block) {
|
||||
frame_t * frame = (frame_t*)block;
|
||||
frame->refcount = 1;
|
||||
}
|
||||
|
||||
static inline void buddy_mark_available(zone_t *z, link_t *block) {
|
||||
frame_t *frame = (frame_t*)block;
|
||||
frame->refcount = 0;
|
||||
}
|
||||
|
||||
#define IS_BUDDY_ORDER_OK(index, order) \
|
||||
((~(((u32_t) -1) << (order)) & (index)) == 0)
|
||||
#define IS_BUDDY_LEFT_BLOCK_ABS(zone, frame) \
|
||||
(((frame_index_abs((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 0)
|
||||
|
||||
#define IS_BUDDY_RIGHT_BLOCK_ABS(zone, frame) \
|
||||
(((frame_index_abs((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 1)
|
||||
|
||||
static link_t *find_buddy(zone_t *zone, link_t *block)
|
||||
{
|
||||
frame_t *frame;
|
||||
index_t index;
|
||||
u32_t is_left, is_right;
|
||||
|
||||
frame = (frame_t*)block;
|
||||
ASSERT(IS_BUDDY_ORDER_OK(frame_index_abs(zone, frame),frame->buddy_order));
|
||||
|
||||
is_left = IS_BUDDY_LEFT_BLOCK_ABS(zone, frame);
|
||||
is_right = IS_BUDDY_RIGHT_BLOCK_ABS(zone, frame);
|
||||
|
||||
ASSERT(is_left ^ is_right);
|
||||
if (is_left) {
|
||||
index = (frame_index(zone, frame)) + (1 << frame->buddy_order);
|
||||
} else { /* if (is_right) */
|
||||
index = (frame_index(zone, frame)) - (1 << frame->buddy_order);
|
||||
}
|
||||
|
||||
if (frame_index_valid(zone, index)) {
|
||||
if (zone->frames[index].buddy_order == frame->buddy_order &&
|
||||
zone->frames[index].refcount == 0) {
|
||||
return &zone->frames[index].buddy_link;
|
||||
}
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static link_t* __fastcall buddy_system_alloc_block(zone_t *z, link_t *block)
|
||||
{
|
||||
link_t *left,*right, *tmp;
|
||||
u32_t order;
|
||||
|
||||
left = buddy_find_block(z, block, BUDDY_SYSTEM_INNER_BLOCK);
|
||||
ASSERT(left);
|
||||
list_remove(left);
|
||||
while (1) {
|
||||
if (! buddy_get_order(z,left)) {
|
||||
buddy_mark_busy(z, left);
|
||||
return left;
|
||||
}
|
||||
|
||||
order = buddy_get_order(z, left);
|
||||
|
||||
right = buddy_bisect(z, left);
|
||||
buddy_set_order(z, left, order-1);
|
||||
buddy_set_order(z, right, order-1);
|
||||
|
||||
tmp = buddy_find_block(z, block, BUDDY_SYSTEM_INNER_BLOCK);
|
||||
|
||||
if (tmp == right) {
|
||||
right = left;
|
||||
left = tmp;
|
||||
}
|
||||
ASSERT(tmp == left);
|
||||
buddy_mark_busy(z, left);
|
||||
buddy_system_free(z, right);
|
||||
buddy_mark_available(z, left);
|
||||
}
|
||||
}
|
||||
|
||||
static void __fastcall buddy_system_free(zone_t *z, link_t *block)
|
||||
{
|
||||
link_t *buddy, *hlp;
|
||||
u8_t i;
|
||||
|
||||
/*
|
||||
* Determine block's order.
|
||||
*/
|
||||
i = buddy_get_order(z, block);
|
||||
|
||||
ASSERT(i <= z->max_order);
|
||||
|
||||
if (i != z->max_order) {
|
||||
/*
|
||||
* See if there is any buddy in the list of order i.
|
||||
*/
|
||||
buddy = find_buddy(z, block);
|
||||
if (buddy) {
|
||||
|
||||
ASSERT(buddy_get_order(z, buddy) == i);
|
||||
/*
|
||||
* Remove buddy from the list of order i.
|
||||
*/
|
||||
list_remove(buddy);
|
||||
|
||||
/*
|
||||
* Invalidate order of both block and buddy.
|
||||
*/
|
||||
buddy_set_order(z, block, BUDDY_SYSTEM_INNER_BLOCK);
|
||||
buddy_set_order(z, buddy, BUDDY_SYSTEM_INNER_BLOCK);
|
||||
|
||||
/*
|
||||
* Coalesce block and buddy into one block.
|
||||
*/
|
||||
hlp = buddy_coalesce(z, block, buddy);
|
||||
|
||||
/*
|
||||
* Set order of the coalesced block to i + 1.
|
||||
*/
|
||||
buddy_set_order(z, hlp, i + 1);
|
||||
|
||||
/*
|
||||
* Recursively add the coalesced block to the list of order i + 1.
|
||||
*/
|
||||
buddy_system_free(z, hlp);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Insert block into the list of order i.
|
||||
*/
|
||||
list_append(block, &z->order[i]);
|
||||
|
||||
}
|
||||
|
||||
static inline frame_t * zone_get_frame(zone_t *zone, index_t frame_idx)
|
||||
{
|
||||
ASSERT(frame_idx < zone->count);
|
||||
return &zone->frames[frame_idx];
|
||||
}
|
||||
|
||||
static void zone_mark_unavailable(zone_t *zone, index_t frame_idx)
|
||||
{
|
||||
frame_t *frame;
|
||||
link_t *link;
|
||||
|
||||
frame = zone_get_frame(zone, frame_idx);
|
||||
if (frame->refcount)
|
||||
return;
|
||||
link = buddy_system_alloc_block(zone, &frame->buddy_link);
|
||||
ASSERT(link);
|
||||
zone->free_count--;
|
||||
}
|
||||
|
||||
static link_t* __fastcall buddy_system_alloc(zone_t *z, u32_t i)
|
||||
{
|
||||
link_t *res, *hlp;
|
||||
|
||||
ASSERT(i <= z->max_order);
|
||||
|
||||
/*
|
||||
* If the list of order i is not empty,
|
||||
* the request can be immediatelly satisfied.
|
||||
*/
|
||||
if (!list_empty(&z->order[i])) {
|
||||
res = z->order[i].next;
|
||||
list_remove(res);
|
||||
buddy_mark_busy(z, res);
|
||||
return res;
|
||||
}
|
||||
/*
|
||||
* If order i is already the maximal order,
|
||||
* the request cannot be satisfied.
|
||||
*/
|
||||
if (i == z->max_order)
|
||||
return NULL;
|
||||
|
||||
/*
|
||||
* Try to recursively satisfy the request from higher order lists.
|
||||
*/
|
||||
hlp = buddy_system_alloc(z, i + 1);
|
||||
|
||||
/*
|
||||
* The request could not be satisfied
|
||||
* from higher order lists.
|
||||
*/
|
||||
if (!hlp)
|
||||
return NULL;
|
||||
|
||||
res = hlp;
|
||||
|
||||
/*
|
||||
* Bisect the block and set order of both of its parts to i.
|
||||
*/
|
||||
hlp = buddy_bisect(z, res);
|
||||
buddy_set_order(z, res, i);
|
||||
buddy_set_order(z, hlp, i);
|
||||
|
||||
/*
|
||||
* Return the other half to buddy system. Mark the first part
|
||||
* full, so that it won't coalesce again.
|
||||
*/
|
||||
buddy_mark_busy(z, res);
|
||||
buddy_system_free(z, hlp);
|
||||
|
||||
return res;
|
||||
|
||||
}
|
||||
|
||||
|
||||
static __fastcall pfn_t zone_frame_alloc(zone_t *zone, u32_t order)
|
||||
{
|
||||
pfn_t v;
|
||||
link_t *tmp;
|
||||
frame_t *frame;
|
||||
|
||||
|
||||
/* Allocate frames from zone buddy system */
|
||||
tmp = buddy_system_alloc(zone, order);
|
||||
|
||||
ASSERT(tmp);
|
||||
|
||||
/* Update zone information. */
|
||||
zone->free_count -= (1 << order);
|
||||
zone->busy_count += (1 << order);
|
||||
|
||||
/* Frame will be actually a first frame of the block. */
|
||||
frame = (frame_t*)tmp;
|
||||
|
||||
/* get frame address */
|
||||
v = make_frame_index(zone, frame);
|
||||
return v;
|
||||
}
|
||||
|
||||
|
||||
/** Set parent of frame */
|
||||
void __fastcall frame_set_parent(pfn_t pfn, void *data)
|
||||
{
|
||||
/* zone_t *zone = find_zone_and_lock(pfn, &hint);
|
||||
ASSERT(zone);
|
||||
*/
|
||||
|
||||
spinlock_lock(&z_core.lock);
|
||||
zone_get_frame(&z_core, pfn-z_core.base)->parent = data;
|
||||
spinlock_unlock(&z_core.lock);
|
||||
}
|
||||
|
||||
|
||||
static inline int to_order(count_t arg)
|
||||
{
|
||||
int n;
|
||||
asm volatile (
|
||||
"xor eax, eax \n\t"
|
||||
"bsr eax, edx \n\t"
|
||||
"inc eax"
|
||||
:"=a" (n)
|
||||
:"d"(arg)
|
||||
);
|
||||
return n;
|
||||
}
|
||||
|
||||
|
||||
addr_t __fastcall zone_alloc(zone_t *zone, u32_t order)
|
||||
{
|
||||
eflags_t efl;
|
||||
pfn_t v;
|
||||
|
||||
efl = safe_cli();
|
||||
spinlock_lock(&zone->lock);
|
||||
v = zone_frame_alloc(zone, order);
|
||||
v += zone->base;
|
||||
spinlock_unlock(&zone->lock);
|
||||
safe_sti(efl);
|
||||
|
||||
return (v << FRAME_WIDTH);
|
||||
}
|
||||
|
||||
addr_t core_alloc(u32_t order) //__cdecl __dllexport
|
||||
{
|
||||
eflags_t efl;
|
||||
pfn_t v;
|
||||
|
||||
efl = safe_cli();
|
||||
spinlock_lock(&z_core.lock);
|
||||
v = zone_frame_alloc(&z_core, order);
|
||||
spinlock_unlock(&z_core.lock);
|
||||
safe_sti(efl);
|
||||
|
||||
return (v << FRAME_WIDTH);
|
||||
};
|
||||
|
||||
addr_t alloc_page() //obsolete
|
||||
{
|
||||
eflags_t efl;
|
||||
u32_t edx;
|
||||
pfn_t v;
|
||||
|
||||
edx = save_edx();
|
||||
efl = safe_cli();
|
||||
spinlock_lock(&z_core.lock);
|
||||
v = zone_frame_alloc(&z_core, 0);
|
||||
spinlock_unlock(&z_core.lock);
|
||||
safe_sti(efl);
|
||||
restore_edx(edx);
|
||||
return (v << FRAME_WIDTH);
|
||||
};
|
||||
|
||||
addr_t __stdcall alloc_pages(count_t count) //obsolete
|
||||
{
|
||||
eflags_t efl;
|
||||
u32_t edx;
|
||||
pfn_t v;
|
||||
|
||||
count = (count+7)&~7;
|
||||
|
||||
edx = save_edx();
|
||||
efl = safe_cli();
|
||||
spinlock_lock(&z_core.lock);
|
||||
v = zone_frame_alloc(&z_core, to_order(count));
|
||||
spinlock_unlock(&z_core.lock);
|
||||
safe_sti(efl);
|
||||
restore_edx(edx);
|
||||
|
||||
return (v << FRAME_WIDTH);
|
||||
};
|
||||
|
||||
|
||||
void __fastcall zone_free(zone_t *zone, pfn_t frame_idx)
|
||||
{
|
||||
frame_t *frame;
|
||||
u32_t order;
|
||||
|
||||
frame = &zone->frames[frame_idx];
|
||||
|
||||
/* remember frame order */
|
||||
order = frame->buddy_order;
|
||||
|
||||
ASSERT(frame->refcount);
|
||||
|
||||
if (!--frame->refcount) {
|
||||
buddy_system_free(zone, &frame->buddy_link);
|
||||
|
||||
/* Update zone information. */
|
||||
zone->free_count += (1 << order);
|
||||
zone->busy_count -= (1 << order);
|
||||
}
|
||||
}
|
||||
|
||||
void core_free(addr_t frame) //export
|
||||
{
|
||||
eflags_t efl;
|
||||
|
||||
efl = safe_cli();
|
||||
spinlock_lock(&z_core.lock);
|
||||
zone_free(&z_core, frame>>12);
|
||||
spinlock_unlock(&z_core.lock);
|
||||
safe_sti(efl);
|
||||
}
|
||||
|
||||
void frame_free(addr_t frame) //export
|
||||
{
|
||||
eflags_t efl;
|
||||
zone_t *zone;
|
||||
|
||||
efl = safe_cli();
|
||||
spinlock_lock(&z_core.lock);
|
||||
zone_free(&z_core, frame>>12);
|
||||
spinlock_unlock(&z_core.lock);
|
||||
safe_sti(efl);
|
||||
}
|
||||
|
119
kernel/branches/kolibri_pe/core/multiboot.h
Normal file
119
kernel/branches/kolibri_pe/core/multiboot.h
Normal file
@ -0,0 +1,119 @@
|
||||
/* multiboot.h - the header for Multiboot */
|
||||
/* Copyright (C) 1999, 2001 Free Software Foundation, Inc.
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
||||
|
||||
/* Macros. */
|
||||
|
||||
/* The magic number for the Multiboot header. */
|
||||
#define MULTIBOOT_HEADER_MAGIC 0x1BADB002
|
||||
|
||||
/* The flags for the Multiboot header. */
|
||||
#ifdef __ELF__
|
||||
# define MULTIBOOT_HEADER_FLAGS 0x00000003
|
||||
#else
|
||||
# define MULTIBOOT_HEADER_FLAGS 0x00010003
|
||||
#endif
|
||||
|
||||
/* The magic number passed by a Multiboot-compliant boot loader. */
|
||||
#define MULTIBOOT_BOOTLOADER_MAGIC 0x2BADB002
|
||||
|
||||
/* The size of our stack (16KB). */
|
||||
#define STACK_SIZE 0x4000
|
||||
|
||||
/* C symbol format. HAVE_ASM_USCORE is defined by configure. */
|
||||
#ifdef HAVE_ASM_USCORE
|
||||
# define EXT_C(sym) _ ## sym
|
||||
#else
|
||||
# define EXT_C(sym) sym
|
||||
#endif
|
||||
|
||||
#ifndef ASM
|
||||
/* Do not include here in boot.S. */
|
||||
|
||||
/* Types. */
|
||||
|
||||
/* The Multiboot header. */
|
||||
typedef struct multiboot_header
|
||||
{
|
||||
unsigned long magic;
|
||||
unsigned long flags;
|
||||
unsigned long checksum;
|
||||
unsigned long header_addr;
|
||||
unsigned long load_addr;
|
||||
unsigned long load_end_addr;
|
||||
unsigned long bss_end_addr;
|
||||
unsigned long entry_addr;
|
||||
} multiboot_header_t;
|
||||
|
||||
/* The symbol table for a.out. */
|
||||
typedef struct aout_symbol_table
|
||||
{
|
||||
unsigned long tabsize;
|
||||
unsigned long strsize;
|
||||
unsigned long addr;
|
||||
unsigned long reserved;
|
||||
} aout_symbol_table_t;
|
||||
|
||||
/* The section header table for ELF. */
|
||||
typedef struct elf_section_header_table
|
||||
{
|
||||
unsigned long num;
|
||||
unsigned long size;
|
||||
unsigned long addr;
|
||||
unsigned long shndx;
|
||||
} elf_section_header_table_t;
|
||||
|
||||
/* The Multiboot information. */
|
||||
typedef struct multiboot_info
|
||||
{
|
||||
unsigned long flags;
|
||||
unsigned long mem_lower;
|
||||
unsigned long mem_upper;
|
||||
unsigned long boot_device;
|
||||
unsigned long cmdline;
|
||||
unsigned long mods_count;
|
||||
unsigned long mods_addr;
|
||||
union
|
||||
{
|
||||
aout_symbol_table_t aout_sym;
|
||||
elf_section_header_table_t elf_sec;
|
||||
} u;
|
||||
unsigned long mmap_length;
|
||||
unsigned long mmap_addr;
|
||||
} multiboot_info_t;
|
||||
|
||||
/* The module structure. */
|
||||
typedef struct module
|
||||
{
|
||||
unsigned long mod_start;
|
||||
unsigned long mod_end;
|
||||
unsigned long string;
|
||||
unsigned long reserved;
|
||||
} module_t;
|
||||
|
||||
/* The memory map. Be careful that the offset 0 is base_addr_low
|
||||
but no size. */
|
||||
typedef struct memory_map
|
||||
{
|
||||
unsigned long size;
|
||||
unsigned long base_addr_low;
|
||||
unsigned long base_addr_high;
|
||||
unsigned long length_low;
|
||||
unsigned long length_high;
|
||||
unsigned long type;
|
||||
} memory_map_t;
|
||||
|
||||
#endif /* ! ASM */
|
13
kernel/branches/kolibri_pe/core/spinlock.c
Normal file
13
kernel/branches/kolibri_pe/core/spinlock.c
Normal file
@ -0,0 +1,13 @@
|
||||
|
||||
#include <types.h>
|
||||
#include <spinlock.h>
|
||||
#include <core.h>
|
||||
|
||||
#ifdef USE_SMP
|
||||
|
||||
void spinlock_initialize(spinlock_t *sl)
|
||||
{
|
||||
atomic_set(&sl->val, 0);
|
||||
}
|
||||
|
||||
#endif
|
@ -13,37 +13,47 @@
|
||||
|
||||
$Revision$
|
||||
|
||||
|
||||
align 4
|
||||
idtreg:
|
||||
dw 8*0x41-1
|
||||
dd idts+8
|
||||
_init_idt:
|
||||
push edi
|
||||
push esi
|
||||
mov edi, idts
|
||||
mov dword [idtreg+2], edi
|
||||
|
||||
build_interrupt_table:
|
||||
mov esi, sys_int
|
||||
mov ecx, 0x40
|
||||
@@:
|
||||
lodsd
|
||||
mov [edi], ax ; lower part of offset
|
||||
mov [edi+2], word os_code ; segment selector
|
||||
mov ax, word 10001110b shl 8 ; type: interrupt gate
|
||||
mov [edi+4], eax
|
||||
add edi, 8
|
||||
loop @b
|
||||
|
||||
mov eax, i40
|
||||
mov ecx, i40
|
||||
and eax, 0x0000FFFF
|
||||
and ecx, 0xFFFF0000
|
||||
or eax, os_code shl 16
|
||||
or ecx, (11101111b shl 8)
|
||||
mov [edi], eax
|
||||
mov [edi+4], ecx
|
||||
|
||||
lidt [idtreg]
|
||||
pop esi
|
||||
pop edi
|
||||
ret
|
||||
|
||||
mov edi, idts+8
|
||||
mov esi, sys_int
|
||||
mov ecx, 0x40
|
||||
@@:
|
||||
lodsd
|
||||
mov [edi], ax ; lower part of offset
|
||||
mov [edi+2], word os_code ; segment selector
|
||||
mov ax, word 10001110b shl 8 ; type: interrupt gate
|
||||
mov [edi+4], eax
|
||||
add edi, 8
|
||||
loop @b
|
||||
|
||||
;mov edi,8*0x40+idts+8
|
||||
mov dword [edi], (i40 and 0xFFFF) or (os_code shl 16)
|
||||
mov dword [edi+4], (11101111b shl 8) or (i40 and 0xFFFF0000)
|
||||
; type: trap gate
|
||||
ret
|
||||
|
||||
iglobal
|
||||
|
||||
msg_sel_ker db "kernel", 0
|
||||
msg_sel_app db "application", 0
|
||||
|
||||
align 4
|
||||
|
||||
sys_int:
|
||||
dd e0,debug_exc,e2,e3
|
||||
dd e4,e5,e6,e7
|
||||
@ -66,6 +76,11 @@ end if
|
||||
times 16 dd unknown_interrupt
|
||||
|
||||
dd i40
|
||||
|
||||
idtreg:
|
||||
dw 8*0x41-1
|
||||
dd idts
|
||||
|
||||
endg
|
||||
|
||||
macro save_ring3_context
|
||||
|
@ -383,7 +383,7 @@ proc create_app_space stdcall, app_size:dword,img_base:dword,img_size:dword
|
||||
; cmp eax, [pg_data.pages_free]
|
||||
; ja .fail
|
||||
|
||||
call alloc_page
|
||||
call _alloc_page
|
||||
test eax, eax
|
||||
jz .fail
|
||||
mov [dir_addr], eax
|
||||
@ -408,7 +408,7 @@ proc create_app_space stdcall, app_size:dword,img_base:dword,img_size:dword
|
||||
mov edx, [app_tabs]
|
||||
xor edi, edi
|
||||
@@:
|
||||
call alloc_page
|
||||
call _alloc_page
|
||||
test eax, eax
|
||||
jz .fail
|
||||
|
||||
@ -450,7 +450,7 @@ if GREEDY_KERNEL
|
||||
else
|
||||
|
||||
.alloc:
|
||||
call alloc_page
|
||||
call _alloc_page
|
||||
test eax, eax
|
||||
jz .fail
|
||||
|
||||
@ -944,7 +944,7 @@ proc set_app_params stdcall,slot:dword, params:dword,\
|
||||
pl0_stack dd ?
|
||||
endl
|
||||
|
||||
stdcall alloc_pages, (RING0_STACK_SIZE+512) shr 12
|
||||
stdcall _alloc_pages, (RING0_STACK_SIZE+512) shr 12
|
||||
add eax, OS_BASE
|
||||
mov [pl0_stack], eax
|
||||
|
||||
@ -988,7 +988,7 @@ proc set_app_params stdcall,slot:dword, params:dword,\
|
||||
add eax, RING0_STACK_SIZE
|
||||
mov [SLOT_BASE+APPDATA.saved_esp0+ebx], eax
|
||||
|
||||
call alloc_page
|
||||
call _alloc_page
|
||||
add eax, OS_BASE
|
||||
mov esi,[current_slot]
|
||||
mov esi,[esi+APPDATA.cur_dir]
|
||||
|
@ -269,11 +269,8 @@ code_16:
|
||||
|
||||
endofcode:
|
||||
gdte:
|
||||
edata: ;equ $-OS_BASE
|
||||
|
||||
section '.bss' code readable align 4096
|
||||
|
||||
org edata
|
||||
section '.bss' data writeable align 4096
|
||||
|
||||
align 4096
|
||||
|
||||
@ -286,6 +283,9 @@ __os_stack rb 512
|
||||
cur_saved_data rb 4096
|
||||
fpu_data: rb 512
|
||||
|
||||
|
||||
idts rq 0x41
|
||||
|
||||
; device irq owners
|
||||
irq_owner rd 16 ; process id
|
||||
|
||||
|
131
kernel/branches/kolibri_pe/include/atomic.h
Normal file
131
kernel/branches/kolibri_pe/include/atomic.h
Normal file
@ -0,0 +1,131 @@
|
||||
/*
|
||||
* Copyright (c) 2006 Jakub Jermar
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* - Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* - Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* - The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
|
||||
#ifndef KERN_ATOMIC_H_
|
||||
#define KERN_ATOMIC_H_
|
||||
|
||||
typedef struct atomic {
|
||||
volatile long count;
|
||||
} atomic_t;
|
||||
|
||||
static inline void atomic_inc(atomic_t *val) {
|
||||
#ifdef USE_SMP
|
||||
asm volatile ("lock inc %0\n" : "+m" (val->count));
|
||||
#else
|
||||
asm volatile ("inc %0\n" : "+m" (val->count));
|
||||
#endif /* USE_SMP */
|
||||
}
|
||||
|
||||
static inline void atomic_dec(atomic_t *val) {
|
||||
#ifdef USE_SMP
|
||||
asm volatile ("lock dec %0\n" : "+m" (val->count));
|
||||
#else
|
||||
asm volatile ("dec %0\n" : "+m" (val->count));
|
||||
#endif /* USE_SMP */
|
||||
}
|
||||
|
||||
/*
|
||||
static inline long atomic_postinc(atomic_t *val)
|
||||
{
|
||||
long r = 1;
|
||||
|
||||
asm volatile (
|
||||
"lock xadd %1, %0\n"
|
||||
: "+m" (val->count), "+r" (r)
|
||||
);
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
static inline long atomic_postdec(atomic_t *val)
|
||||
{
|
||||
long r = -1;
|
||||
|
||||
asm volatile (
|
||||
"lock xadd %1, %0\n"
|
||||
: "+m" (val->count), "+r"(r)
|
||||
);
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
#define atomic_preinc(val) (atomic_postinc(val) + 1)
|
||||
#define atomic_predec(val) (atomic_postdec(val) - 1)
|
||||
|
||||
static inline u32_t test_and_set(atomic_t *val) {
|
||||
uint32_t v;
|
||||
|
||||
asm volatile (
|
||||
"movl $1, %0\n"
|
||||
"xchgl %0, %1\n"
|
||||
: "=r" (v),"+m" (val->count)
|
||||
);
|
||||
|
||||
return v;
|
||||
}
|
||||
*/
|
||||
|
||||
/* ia32 specific fast spinlock */
|
||||
|
||||
static inline void atomic_lock_arch(atomic_t *val)
|
||||
{
|
||||
u32_t tmp;
|
||||
|
||||
// preemption_disable();
|
||||
asm volatile (
|
||||
"0:\n"
|
||||
"pause\n\t" /* Pentium 4's HT love this instruction */
|
||||
"mov %1, [%0]\n\t"
|
||||
"test %1, %1\n\t"
|
||||
"jnz 0b\n\t" /* lightweight looping on locked spinlock */
|
||||
|
||||
"inc %1\n\t" /* now use the atomic operation */
|
||||
"xchg [%0], %1\n\t"
|
||||
"test %1, %1\n\t"
|
||||
"jnz 0b\n\t"
|
||||
: "+m" (val->count), "=r"(tmp)
|
||||
);
|
||||
/*
|
||||
* Prevent critical section code from bleeding out this way up.
|
||||
*/
|
||||
// CS_ENTER_BARRIER();
|
||||
}
|
||||
|
||||
static inline void atomic_set(atomic_t *val, long i)
|
||||
{
|
||||
val->count = i;
|
||||
}
|
||||
|
||||
static inline long atomic_get(atomic_t *val)
|
||||
{
|
||||
return val->count;
|
||||
}
|
||||
|
||||
#endif /* KERN_ATOMIC_H_ */
|
||||
|
48
kernel/branches/kolibri_pe/include/core.h
Normal file
48
kernel/branches/kolibri_pe/include/core.h
Normal file
@ -0,0 +1,48 @@
|
||||
|
||||
#define OS_BASE 0xE0000000
|
||||
|
||||
|
||||
void printf (const char *format, ...);
|
||||
|
||||
#define CALLER ((addr_t) __builtin_return_address(0))
|
||||
|
||||
extern void panic_printf(char *fmt, ...) __attribute__((noreturn));
|
||||
|
||||
#ifdef CONFIG_DEBUG
|
||||
|
||||
# define panic(format, ...) \
|
||||
panic_printf("Kernel panic in %s() at %s:%u: " format, __func__, \
|
||||
__FILE__, __LINE__, ##__VA_ARGS__);
|
||||
|
||||
# define ASSERT(expr) \
|
||||
if (!(expr)) { \
|
||||
panic("assertion failed (%s), caller=%p\n", #expr, CALLER); \
|
||||
}
|
||||
#else
|
||||
# define panic(format, ...) \
|
||||
panic_printf("Kernel panic: " format, ##__VA_ARGS__);
|
||||
|
||||
# define ASSERT(expr)
|
||||
#endif
|
||||
|
||||
|
||||
static inline eflags_t safe_cli(void)
|
||||
{
|
||||
eflags_t tmp;
|
||||
asm volatile (
|
||||
"pushf\n\t"
|
||||
"pop %0\n\t"
|
||||
"cli\n"
|
||||
: "=r" (tmp)
|
||||
);
|
||||
return tmp;
|
||||
}
|
||||
|
||||
static inline void safe_sti(eflags_t efl)
|
||||
{
|
||||
asm volatile (
|
||||
"push %0\n\t"
|
||||
"popf\n"
|
||||
: : "r" (efl)
|
||||
);
|
||||
}
|
50
kernel/branches/kolibri_pe/include/link.h
Normal file
50
kernel/branches/kolibri_pe/include/link.h
Normal file
@ -0,0 +1,50 @@
|
||||
|
||||
typedef struct link
|
||||
{
|
||||
struct link *prev;
|
||||
struct link *next;
|
||||
}link_t;
|
||||
|
||||
#define list_get_instance(link, type, member) \
|
||||
((type *)(((u8_t *)(link)) - ((u8_t *)&(((type *)NULL)->member))))
|
||||
|
||||
static inline void link_initialize(link_t *link)
|
||||
{
|
||||
link->prev = NULL;
|
||||
link->next = NULL;
|
||||
}
|
||||
|
||||
static inline void list_initialize(link_t *head)
|
||||
{
|
||||
head->prev = head;
|
||||
head->next = head;
|
||||
}
|
||||
|
||||
static inline void list_append(link_t *link, link_t *head)
|
||||
{
|
||||
link->prev = head->prev;
|
||||
link->next = head;
|
||||
head->prev->next = link;
|
||||
head->prev = link;
|
||||
}
|
||||
|
||||
static inline void list_remove(link_t *link)
|
||||
{
|
||||
link->next->prev = link->prev;
|
||||
link->prev->next = link->next;
|
||||
link_initialize(link);
|
||||
}
|
||||
|
||||
static inline bool list_empty(link_t *head)
|
||||
{
|
||||
return head->next == head ? true : false;
|
||||
}
|
||||
|
||||
static inline void list_prepend(link_t *link, link_t *head)
|
||||
{
|
||||
link->next = head->next;
|
||||
link->prev = head;
|
||||
head->next->prev = link;
|
||||
head->next = link;
|
||||
}
|
||||
|
59
kernel/branches/kolibri_pe/include/mm.h
Normal file
59
kernel/branches/kolibri_pe/include/mm.h
Normal file
@ -0,0 +1,59 @@
|
||||
|
||||
typedef struct
|
||||
{
|
||||
link_t buddy_link; /**< link to the next free block inside one order */
|
||||
count_t refcount; /**< tracking of shared frames */
|
||||
u32_t buddy_order; /**< buddy system block order */
|
||||
void *parent; /**< If allocated by slab, this points there */
|
||||
} frame_t;
|
||||
|
||||
typedef struct {
|
||||
SPINLOCK_DECLARE(lock); /**< this lock protects everything below */
|
||||
pfn_t base; /**< frame_no of the first frame in the frames array */
|
||||
count_t count; /**< Size of zone */
|
||||
|
||||
frame_t *frames; /**< array of frame_t structures in this zone */
|
||||
count_t free_count; /**< number of free frame_t structures */
|
||||
count_t busy_count; /**< number of busy frame_t structures */
|
||||
|
||||
u32_t max_order;
|
||||
link_t order[21];
|
||||
|
||||
int flags;
|
||||
} zone_t;
|
||||
|
||||
|
||||
# define PA2KA(x) (((u32_t) (x)) + OS_BASE)
|
||||
# define KA2PA(x) (((u32_t) (x)) - OS_BASE)
|
||||
|
||||
#define PAGE_SIZE 4096
|
||||
#define FRAME_WIDTH 12
|
||||
|
||||
#define BUDDY_SYSTEM_INNER_BLOCK 0xff
|
||||
|
||||
static inline count_t SIZE2FRAMES(size_t size)
|
||||
{
|
||||
if (!size)
|
||||
return 0;
|
||||
return (count_t) ((size - 1) >> FRAME_WIDTH) + 1;
|
||||
}
|
||||
|
||||
static inline addr_t PFN2ADDR(pfn_t frame)
|
||||
{
|
||||
return (addr_t) (frame << FRAME_WIDTH);
|
||||
}
|
||||
|
||||
static inline pfn_t ADDR2PFN(addr_t addr)
|
||||
{
|
||||
return (pfn_t) (addr >> FRAME_WIDTH);
|
||||
};
|
||||
|
||||
void init_mm();
|
||||
|
||||
pfn_t core_alloc(u32_t order);
|
||||
|
||||
pfn_t alloc_page() __attribute__ ((deprecated));
|
||||
pfn_t __stdcall alloc_pages(count_t count) __asm__ ("_alloc_pages") __attribute__ ((deprecated));
|
||||
|
||||
void core_free(pfn_t frame);
|
||||
void frame_free(pfn_t frame);
|
65
kernel/branches/kolibri_pe/include/spinlock.h
Normal file
65
kernel/branches/kolibri_pe/include/spinlock.h
Normal file
@ -0,0 +1,65 @@
|
||||
|
||||
#include <atomic.h>
|
||||
|
||||
#ifdef USE_SMP
|
||||
|
||||
typedef struct
|
||||
{
|
||||
atomic_t val;
|
||||
} spinlock_t;
|
||||
|
||||
/*
|
||||
* SPINLOCK_DECLARE is to be used for dynamically allocated spinlocks,
|
||||
* where the lock gets initialized in run time.
|
||||
*/
|
||||
|
||||
#define SPINLOCK_DECLARE(slname) spinlock_t slname
|
||||
|
||||
/*
|
||||
* SPINLOCK_INITIALIZE is to be used for statically allocated spinlocks.
|
||||
* It declares and initializes the lock.
|
||||
*/
|
||||
|
||||
#define SPINLOCK_INITIALIZE(slname) \
|
||||
spinlock_t slname = { \
|
||||
.val = { 0 } \
|
||||
}
|
||||
|
||||
extern void spinlock_initialize(spinlock_t *sl);
|
||||
extern int spinlock_trylock(spinlock_t *sl);
|
||||
|
||||
#define spinlock_lock(x) atomic_lock_arch(&(x)->val)
|
||||
|
||||
/** Unlock spinlock
|
||||
*
|
||||
* Unlock spinlock.
|
||||
*
|
||||
* @param sl Pointer to spinlock_t structure.
|
||||
*/
|
||||
static inline void spinlock_unlock(spinlock_t *sl)
|
||||
{
|
||||
ASSERT(atomic_get(&sl->val) != 0);
|
||||
|
||||
/*
|
||||
* Prevent critical section code from bleeding out this way down.
|
||||
*/
|
||||
// CS_LEAVE_BARRIER();
|
||||
|
||||
atomic_set(&sl->val, 0);
|
||||
// preemption_enable();
|
||||
}
|
||||
|
||||
#else
|
||||
|
||||
/* On UP systems, spinlocks are effectively left out. */
|
||||
#define SPINLOCK_DECLARE(name)
|
||||
#define SPINLOCK_EXTERN(name)
|
||||
#define SPINLOCK_INITIALIZE(name)
|
||||
|
||||
#define spinlock_initialize(x)
|
||||
#define spinlock_lock(x)
|
||||
#define spinlock_trylock(x)
|
||||
#define spinlock_unlock(x)
|
||||
|
||||
#endif
|
||||
|
24
kernel/branches/kolibri_pe/include/types.h
Normal file
24
kernel/branches/kolibri_pe/include/types.h
Normal file
@ -0,0 +1,24 @@
|
||||
|
||||
#define NULL (void*)0
|
||||
|
||||
|
||||
typedef unsigned char u8_t;
|
||||
typedef unsigned short int u16_t;
|
||||
typedef unsigned int u32_t;
|
||||
typedef unsigned long long u64_t;
|
||||
|
||||
typedef u32_t addr_t;
|
||||
typedef u32_t pfn_t;
|
||||
|
||||
typedef u32_t count_t;
|
||||
typedef u32_t size_t;
|
||||
typedef u32_t index_t;
|
||||
typedef u32_t eflags_t;
|
||||
|
||||
|
||||
typedef int bool;
|
||||
|
||||
#define true (bool)1
|
||||
#define false (bool)0
|
||||
|
||||
|
@ -114,78 +114,50 @@ public _sys_pdbr
|
||||
public _gdts
|
||||
public _high_code
|
||||
|
||||
public __hlt
|
||||
public _panic_printf
|
||||
public _printf
|
||||
public _pg_balloc
|
||||
public _mem_amount
|
||||
public @balloc@4
|
||||
|
||||
public __setvars
|
||||
|
||||
extrn _enter_bootscreen
|
||||
extrn _leave_bootscreen
|
||||
|
||||
extrn _init
|
||||
extrn _init_mm
|
||||
|
||||
public _rd_base
|
||||
public _rd_fat
|
||||
public _rd_fat_end
|
||||
public _rd_root
|
||||
public _rd_root_end
|
||||
|
||||
extrn _alloc_pages
|
||||
extrn _alloc_page
|
||||
|
||||
extrn _bx_from_load
|
||||
|
||||
section '.flat' code readable align 16
|
||||
section '.flat' code readable align 4096
|
||||
|
||||
use32
|
||||
|
||||
org 0xE0102000
|
||||
|
||||
|
||||
align 4
|
||||
|
||||
use32
|
||||
|
||||
|
||||
; CLEAR 0x280000 - HEAP_BASE
|
||||
|
||||
; xor eax,eax
|
||||
; mov edi,0x280000
|
||||
; mov ecx,(0x800000-0x280000) / 4
|
||||
; cld
|
||||
; rep stosd
|
||||
|
||||
; mov edi,0x40000
|
||||
; mov ecx,(0x90000-0x40000)/4
|
||||
; rep stosd
|
||||
|
||||
; CLEAR KERNEL UNDEFINED GLOBALS
|
||||
; mov edi, endofcode-OS_BASE
|
||||
; mov ecx, (uglobals_size/4)+4
|
||||
; rep stosd
|
||||
|
||||
|
||||
; call test_cpu
|
||||
bts [cpu_caps-OS_BASE], CAPS_TSC ;force use rdtsc
|
||||
; bts [cpu_caps-OS_BASE], CAPS_TSC ;force use rdtsc
|
||||
|
||||
; call init_BIOS32
|
||||
|
||||
; mov dword [sys_pgdir-OS_BASE], PG_LARGE+PG_SW
|
||||
; mov dword [sys_pgdir-OS_BASE+4], PG_LARGE+PG_SW+4*1024*1024
|
||||
|
||||
; mov ecx, 32
|
||||
; lea edi, [sys_pgdir-OS_BASE+0xE00]
|
||||
; mov eax, PG_LARGE+PG_SW
|
||||
;@@:
|
||||
; stosd
|
||||
; add eax, 4*1024*1024
|
||||
; loop @B
|
||||
|
||||
; mov ebx, cr4
|
||||
; or ebx, CR4_PSE
|
||||
; and ebx, not CR4_PAE
|
||||
; mov cr4, ebx
|
||||
|
||||
|
||||
; mov eax, sys_pgdir-OS_BASE
|
||||
; mov ebx, cr0
|
||||
; or ebx,CR0_PG+CR0_WP
|
||||
|
||||
; mov cr3, eax
|
||||
; mov cr0, ebx
|
||||
|
||||
; lgdt [gdts]
|
||||
; jmp pword os_code:high_code
|
||||
|
||||
align 4
|
||||
bios32_entry dd ?
|
||||
tmp_page_tabs dd ?
|
||||
;bios32_entry dd ?
|
||||
;tmp_page_tabs dd ?
|
||||
|
||||
|
||||
__DEBUG__ fix 1
|
||||
@ -197,10 +169,20 @@ MEM_WC equ 1 ;write combined memory
|
||||
MEM_UC equ 0 ;uncached memory
|
||||
|
||||
|
||||
include 'printf.inc'
|
||||
include 'core/mm.asm'
|
||||
__hlt:
|
||||
cli
|
||||
@@:
|
||||
hlt
|
||||
jmp @B
|
||||
|
||||
include 'core/init.asm'
|
||||
align 4
|
||||
_panic_printf:
|
||||
|
||||
mov dword [esp], __hlt
|
||||
jmp _printf
|
||||
|
||||
align 4
|
||||
include 'printf.inc'
|
||||
|
||||
align 4
|
||||
proc test_cpu
|
||||
@ -303,6 +285,7 @@ endp
|
||||
|
||||
align 4
|
||||
_high_code:
|
||||
|
||||
mov ax,os_stack
|
||||
mov dx,app_data
|
||||
mov ss,ax
|
||||
@ -313,9 +296,6 @@ _high_code:
|
||||
mov fs, dx
|
||||
mov gs, dx
|
||||
|
||||
; push ecx
|
||||
; push ebx
|
||||
|
||||
|
||||
; bt [cpu_caps], CAPS_PGE
|
||||
; jnc @F
|
||||
@ -549,16 +529,14 @@ __setvars:
|
||||
wrmsr
|
||||
.noSYSCALL:
|
||||
; -----------------------------------------
|
||||
|
||||
; LOAD IDT
|
||||
|
||||
call build_interrupt_table
|
||||
lidt [idtreg]
|
||||
call _init_idt
|
||||
|
||||
mov [LFBSize], 0x800000
|
||||
call init_LFB
|
||||
call init_fpu
|
||||
call init_malloc
|
||||
call init_malloc
|
||||
|
||||
stdcall alloc_kernel_space, 0x51000
|
||||
mov [default_io_map], eax
|
||||
@ -620,7 +598,7 @@ __setvars:
|
||||
stdcall kernel_alloc, [mem_BACKGROUND]
|
||||
mov [img_background], eax
|
||||
|
||||
mov [SLOT_BASE + 256 + APPDATA.dir_table], _sys_pdbr - OS_BASE
|
||||
mov [SLOT_BASE + 256 + APPDATA.dir_table], _sys_pdbr + (0x100000000-OS_BASE)
|
||||
|
||||
; REDIRECT ALL IRQ'S TO INT'S 0x20-0x2f
|
||||
|
||||
@ -649,8 +627,6 @@ __setvars:
|
||||
include 'detect/disks.inc'
|
||||
;!!!!!!!!!!!!!!!!!!!!!!!!!!
|
||||
|
||||
xchg bx, bx
|
||||
|
||||
call Parser_params
|
||||
|
||||
; READ RAMDISK IMAGE FROM HD
|
||||
|
@ -12,15 +12,15 @@ SECTIONS
|
||||
.boot . + __image_base__ :
|
||||
{
|
||||
*(.boot)
|
||||
*(.init)
|
||||
*(.start)
|
||||
. = ALIGN(4096);
|
||||
}
|
||||
|
||||
.flat :
|
||||
.flat . + 0xE0000000:
|
||||
{
|
||||
*(.flat)
|
||||
*(.flat) *(.text) *(.rdata) *(.data)
|
||||
}
|
||||
__edata = .;
|
||||
__edata = . - 0xE0000000;
|
||||
|
||||
.bss ALIGN(4096) :
|
||||
{
|
||||
|
@ -2,16 +2,21 @@
|
||||
CC = gcc
|
||||
FASM = fasm.exe
|
||||
|
||||
INCLUDE = include
|
||||
INCLUDE = include/
|
||||
|
||||
CFLAGS = -c -O2 -I $(INCLUDE) -fomit-frame-pointer -fno-builtin-printf -masm=intel
|
||||
DEFS = -DUSE_SMP
|
||||
|
||||
CFLAGS = -c -O2 -DCONFIG_DEBUG -I $(INCLUDE) -fomit-frame-pointer -fno-builtin-printf -masm=intel
|
||||
LDFLAGS = -shared -s -Map kernel.map --image-base 0x100000 --file-alignment 32
|
||||
|
||||
|
||||
KERNEL_SRC:= \
|
||||
kernel.asm \
|
||||
init.c \
|
||||
mm.c \
|
||||
spinlock.c \
|
||||
boot/boot.asm \
|
||||
boot/init.asm
|
||||
boot/start.asm
|
||||
|
||||
|
||||
KERNEL_OBJS = $(patsubst %.s, bin/%.obj, $(patsubst %.asm, bin/%.obj,\
|
||||
@ -26,12 +31,12 @@ kernel.gz :kernel.mnt
|
||||
kernel.mnt: $(KERNEL_OBJS) Makefile ld.x
|
||||
ld $(LDFLAGS) -T ld.x -o $@ $(KERNEL_OBJS)
|
||||
|
||||
bin/%.obj : core/%.c Makefile
|
||||
$(CC) $(CFLAGS) -o $@ $<
|
||||
|
||||
bin/%.obj: %.asm
|
||||
$(FASM) $< $@
|
||||
|
||||
bin/%.obj : core/%.c
|
||||
$(CC) $(CFLAGS) -o $@ -c $<
|
||||
|
||||
all: $(SUBDIRS)
|
||||
|
||||
.PHONY: all
|
||||
|
@ -458,7 +458,7 @@ SIS900_init_txd:
|
||||
;*************** load Transmit Descriptor Register ***************
|
||||
mov dx, [io_addr] ; base address
|
||||
add dx, SIS900_txdp ; TX Descriptor Pointer
|
||||
mov eax, txd - OS_BASE ; First Descriptor
|
||||
mov eax, txd + (0x100000000-OS_BASE) ; First Descriptor
|
||||
out dx, eax ; move the pointer
|
||||
ret
|
||||
|
||||
@ -484,9 +484,9 @@ SIS900_init_rxd_Loop:
|
||||
cmp ebx, NUM_RX_DESC ;
|
||||
jne SIS900_init_rxd_Loop_0 ;
|
||||
xor ebx, ebx ;
|
||||
SIS900_init_rxd_Loop_0: ;
|
||||
SIS900_init_rxd_Loop_0: ;
|
||||
imul ebx, 12 ;
|
||||
add ebx, rxd - OS_BASE ;
|
||||
add ebx, rxd + (0x100000000-OS_BASE);
|
||||
mov [rxd+eax], ebx ;save link to next descriptor
|
||||
mov [rxd+eax+4],dword RX_BUFF_SZ ;status bits init to buf size
|
||||
mov ebx, ecx ;find where the buf is located
|
||||
@ -500,7 +500,7 @@ SIS900_init_rxd_Loop_0: ;
|
||||
; descriptor*********
|
||||
mov dx, [io_addr]
|
||||
add dx, SIS900_rxdp
|
||||
mov eax, rxd - OS_BASE
|
||||
mov eax, rxd + (0x100000000-OS_BASE)
|
||||
out dx, eax
|
||||
ret
|
||||
|
||||
@ -998,7 +998,7 @@ SIS900_transmit:
|
||||
out dx, eax
|
||||
;*******load Transmit Descriptor Register *******
|
||||
lea edx,[ebp+SIS900_txdp]
|
||||
mov eax, txd - OS_BASE
|
||||
mov eax, txd + (0x100000000-OS_BASE)
|
||||
out dx, eax
|
||||
;******* copy packet to descriptor*******
|
||||
push esi
|
||||
|
Loading…
Reference in New Issue
Block a user