boot time allocator
git-svn-id: svn://kolibrios.org@841 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge)
parent
3a719cd911
commit
b2e313b0d9
@ -324,13 +324,15 @@ BgrDrawMode equ (OS_BASE+0x033BFF4)
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BgrDataWidth equ (OS_BASE+0x033BFF8)
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BgrDataHeight equ (OS_BASE+0x033BFFC)
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;display_data equ (OS_BASE+0x033C000) ;1024*1280=0x140000
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;display_data equ (OS_BASE+0x033C000) ;1024*1280=0x140000
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virtual at (OS_BASE+0x033CF80)
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tss TSS
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end virtual
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sys_pgmap equ (OS_BASE+0x033F000)
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LAST_PAGE equ 0x0340000
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sys_pgmap equ (OS_BASE+LAST_PAGE)
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twdw equ 0x3000 ;(CURRENT_TASK-window_data)
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@ -102,8 +102,8 @@ init_kernel_heap:
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not eax
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rep stosd
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stdcall alloc_pages, dword 32
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add eax, OS_BASE
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mov ecx, 128*1024
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fastcall _balloc
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mov [mem_block_start], mem_block_map
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mov [mem_block_end], mem_block_map+512
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@ -1306,3 +1306,14 @@ proc create_ring_buffer stdcall, size:dword, flags:dword
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endp
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align 4
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_balloc: ; gcc fastcall
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mov eax, [_last_page]
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add ecx, 4095
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and ecx, -4096
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add ecx, eax
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mov [_last_page], ecx
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add eax, OS_BASE
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ret
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@ -109,7 +109,10 @@ vrr_m db 'VRR_M',0
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kernel_file db 'KERNEL MNT'
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align 4
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;supported videomodes
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_last_page dd LAST_PAGE
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;supported videomodes
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mode_1280_1024_32:
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dw 1280,1024,32,60
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mode_1280_1024_24:
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@ -58,6 +58,8 @@ include 'macros.inc'
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$Revision$
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fastcall equ call
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USE_COM_IRQ equ 1 ;make irq 3 and irq 4 available for PCI devices
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include "proc32.inc"
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@ -320,7 +322,8 @@ init_mem:
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shr eax, 3
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and eax, -4
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mov [pg_data.pagemap_size], eax
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mov ecx, eax
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fastcall _balloc
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ret
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align 4
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@ -333,7 +336,9 @@ init_page_map:
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cld
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rep stosd
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mov ecx, 0x800000 ;reserve 8 Mb
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xchg bx, bx
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mov ecx, [_last_page]
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mov edx, [pg_data.pages_count]
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shr ecx, 12
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sub edx, ecx
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@ -395,6 +400,43 @@ high_code:
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call init_mem
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mov ecx, 1280*1024
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fastcall _balloc
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mov [_display_data], eax
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mov ecx, (unpack.LZMA_BASE_SIZE+(unpack.LZMA_LIT_SIZE shl \
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(unpack.lc+unpack.lp)))*4
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fastcall _balloc
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mov [unpack.p], eax
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mov ecx, (RING0_STACK_SIZE+512)
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fastcall _balloc
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mov [os_stack_seg], eax
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lea esp, [eax+RING0_STACK_SIZE]
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mov [tss._ss0], os_stack
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mov [tss._esp0], esp
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mov [tss._esp], esp
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mov [tss._cs],os_code
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mov [tss._ss],os_stack
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mov [tss._ds],app_data
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mov [tss._es],app_data
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mov [tss._fs],app_data
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mov [tss._gs],app_data
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mov [tss._io],128
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;Add IO access table - bit array of permitted ports
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mov edi, tss._io_map_0
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xor eax, eax
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not eax
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mov ecx, 8192/4
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rep stosd ; access to 4096*8=65536 ports
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mov ax,tss0
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ltr ax
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call init_kernel_heap ; FIXME initialize heap after pager
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call init_page_map
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@ -548,37 +590,9 @@ high_code:
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call build_interrupt_table
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lidt [idtreg]
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call init_kernel_heap
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stdcall alloc_pages, (RING0_STACK_SIZE+512) shr 12
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add eax, OS_BASE
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mov [os_stack_seg], eax
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lea esp, [eax+RING0_STACK_SIZE]
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mov [tss._ss0], os_stack
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mov [tss._esp0], esp
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mov [tss._esp], esp
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mov [tss._cs],os_code
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mov [tss._ss],os_stack
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mov [tss._ds],app_data
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mov [tss._es],app_data
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mov [tss._fs],app_data
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mov [tss._gs],app_data
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mov [tss._io],128
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;Add IO access table - bit array of permitted ports
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mov edi, tss._io_map_0
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xor eax, eax
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not eax
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mov ecx, 8192/4
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rep stosd ; access to 4096*8=65536 ports
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mov ax,tss0
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ltr ax
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mov [LFBSize], 0x800000
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mov [LFBSize], 0x800000
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call init_LFB
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call init_fpu
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call init_fpu
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call init_malloc
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stdcall alloc_kernel_space, 0x51000
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@ -609,15 +623,6 @@ high_code:
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add eax, ebx
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mov [ipc_ptab], eax
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stdcall alloc_pages, (1280*1024)/4096
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add eax, OS_BASE
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mov [_display_data], eax
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stdcall kernel_alloc, (unpack.LZMA_BASE_SIZE+(unpack.LZMA_LIT_SIZE shl \
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(unpack.lc+unpack.lp)))*4
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mov [unpack.p], eax
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call init_events
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mov eax, srv.fd-SRV_FD_OFFSET
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mov [srv.fd], eax
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@ -933,18 +938,11 @@ first_app_found:
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; wait until 8042 is ready
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xor ecx,ecx
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@@:
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@@:
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in al,64h
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and al,00000010b
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loopnz @b
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; mov al, 0xED ; svetodiody - only for testing!
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; call kb_write
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; call kb_read
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; mov al, 111b
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; call kb_write
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; call kb_read
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mov al, 0xF3 ; set repeat rate & delay
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call kb_write
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; call kb_read
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