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Rev 841 Rev 843
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;;
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;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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include 'macros.inc'
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include 'macros.inc'
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$Revision: 841 $
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$Revision: 843 $
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MEM_WB     equ 6               ;write-back memory
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MEM_WB     equ 6               ;write-back memory
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MEM_WC     equ 1               ;write combined memory
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MEM_WC     equ 1               ;write combined memory
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MEM_UC     equ 0               ;uncached memory
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align 4
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init_mem:
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           mov ecx, [BOOT_VAR + 0x9100]
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           mov esi, BOOT_VAR + 0x9104
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           xor eax, eax
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@@:
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           cmp dword [esi+16], 1
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           jne .next
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           mov edx, [esi+8]
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           cmp eax, [esi+8]
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           ja .next
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           mov eax, [esi+8]
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.next:
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           add esi, 20
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           loop @B
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           and eax, -4096
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           mov [MEM_AMOUNT], eax
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           mov [pg_data.mem_amount], eax
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           shr eax, 12
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           mov edx, eax
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           mov [pg_data.pages_count], eax
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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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init_page_map:
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           mov edi, sys_pgmap
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           mov ecx, [pg_data.pagemap_size]
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           shr ecx, 2
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           or eax, -1
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           cld
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           rep stosd
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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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           mov [pg_data.pages_free], edx
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           mov edi, sys_pgmap
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           mov ebx, ecx
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           shr ecx, 5
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           xor eax, eax
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           rep stosd
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MEM_UC     equ 0               ;uncached memory
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           not eax
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           mov ecx, ebx
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           and ecx, 31
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           shl eax, cl
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           mov [edi], eax
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           mov [page_start], edi;
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           mov ebx, sys_pgmap
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           add ebx, [pg_data.pagemap_size]
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           mov [page_end], ebx
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           mov [pg_data.pg_mutex], 0
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           ret
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include 'core/mm.asm'
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	   mov cr3, eax 	  ; flush TLB
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	   mov cr3, eax 	  ; flush TLB
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; MEMORY MODEL
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           call init_mem
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; MEMORY MODEL
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           mov ecx, 1280*1024
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           mov ecx, 1280*1024
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	   mov	ax,tss0
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	   mov	ax,tss0
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	   ltr	ax
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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_kernel_heap     ; FIXME initialize heap after pager
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           call init_page_map
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           call _init_mm
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           mov [pg_data.pg_mutex], 0
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; SAVE REAL MODE VARIABLES
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; SAVE REAL MODE VARIABLES