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Rev 6242 Rev 6339
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;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;;
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;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License    ;;
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;; Distributed under terms of the GNU General Public License    ;;
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;;                                                              ;;
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;;                                                              ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision: 6242 $
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$Revision: 6339 $
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        cmp     edx, (HEAP_BASE-OS_BASE+HEAP_MIN_SIZE)/4096
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        cmp     edx, (HEAP_BASE-OS_BASE+HEAP_MIN_SIZE)/4096
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        jae     .set
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        jae     .set
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        mov     edx, (HEAP_BASE-OS_BASE+HEAP_MIN_SIZE)/4096
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        mov     edx, (HEAP_BASE-OS_BASE+HEAP_MIN_SIZE)/4096
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.set:
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.set:
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        mov     [pg_data.kernel_pages-OS_BASE], edx
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        mov     [pg_data.kernel_pages-OS_BASE], edx
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        shr     edx, 10
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        shr     edx, 9
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        mov     [pg_data.kernel_tables-OS_BASE], edx
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        mov     [pg_data.kernel_tables-OS_BASE], edx
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        xor     eax, eax
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        mov     edx, sys_pml2
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        mov     edi, sys_proc-OS_BASE
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        mov     ecx, 8192/4
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        cld
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        rep stosd
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        mov     edx, (sys_proc-OS_BASE+PROC.pdt_0)+ 0x800; (OS_BASE shr 20)
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        mov     edi, 0x0070000  ;sys_proc+PROC.pdt_0-OS_BASE
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        bt      [cpu_caps-OS_BASE], CAPS_PSE
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        bt      [cpu_caps-OS_BASE], CAPS_PSE
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        jnc     .no_PSE
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        jnc     .no_PSE
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        mov     ebx, cr4
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        mov     ebx, cr4
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        or      ebx, CR4_PSE
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        or      ebx, CR4_PSE+CR4_PAE
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        mov     eax, PDE_LARGE+PG_SWR
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        mov     eax, PDE_LARGE+PG_SWR
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        mov     cr4, ebx
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        mov     cr4, ebx
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        dec     [pg_data.kernel_tables-OS_BASE]
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        dec     [pg_data.kernel_tables-OS_BASE]
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        mov     [edx], eax
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        mov     [edi], eax
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        add     edx, 8
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        add     edi, 8
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        add     eax, 0x200000
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        mov     [edx], eax
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        mov     [edx], eax
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        add     edx, 4
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        mov     [edi], eax
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        add     edx, 8
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        mov     edi, [tmp_page_tabs]
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        jmp     .map_kernel_heap        ; new kernel fits to the first 4Mb - nothing to do with ".map_low"
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        jmp     .map_kernel_heap        ; new kernel fits to the first 4Mb - nothing to do with ".map_low"
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        add     eax, 0x1000
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        add     eax, 0x1000
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        dec     ecx
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        dec     ecx
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        jnz     @B
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        jnz     @B
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.map_kernel_heap:
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        mov     ecx, [pg_data.kernel_tables-OS_BASE]
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        shl     ecx, 10
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        xor     eax, eax
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        rep stosd
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.map_kernel_heap:
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        mov     ecx, [pg_data.kernel_tables-OS_BASE]
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        mov     ecx, [pg_data.kernel_tables-OS_BASE]
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        mov     eax, [tmp_page_tabs]
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        or      eax, PG_SWR
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        mov     eax, [tmp_page_tabs]
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        mov     edi, edx
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        or      eax, PG_SWR
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.map_kernel_tabs:
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.map_kernel_tabs:
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        mov     [edx], eax
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        stosd
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        add     eax, 0x1000
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        add     edx, 8
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        dec     ecx
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        jnz     .map_kernel_tabs
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        mov     dword [sys_pml2+8192-20*8], sys_proc+PROC.pdt_0+PG_SWR-OS_BASE
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        add     eax, 0x1000
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        mov     dword [sys_pml2+8192-19*8], sys_proc+PROC.pdt_0+4096+PG_SWR-OS_BASE
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        mov     dword [sys_pml2+8192-18*8], sys_pml2+PG_SWR
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        mov     dword [sys_pml2+8192-17*8], sys_pml2+4096+PG_SWR
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        dec     ecx
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        jnz     .map_kernel_tabs
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        mov     dword [sys_proc-OS_BASE+PROC.pdt_0+(page_tabs shr 20)], sys_proc+PROC.pdt_0+PG_SWR-OS_BASE
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        mov     [sys_pml3-OS_BASE],   0x0070000+PG_READ   ;sys_proc+PROC.pdt_0+PG_UWR-OS_BASE
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        mov     edi, (sys_proc+PROC.pdt_0-OS_BASE)
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        mov     [sys_pml3+8-OS_BASE], 0x0071000+PG_READ   ;sys_proc+PROC.pdt_0+4096+PG_UWR-OS_BASE
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        lea     esi, [edi+(OS_BASE shr 20)]
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        mov     [sys_pml3+16-OS_BASE],0x0072000+PG_READ    ;sys_pml2+PG_SWR
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        movsd
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        mov     [sys_pml3+24-OS_BASE],0x0073000+PG_READ    ;sys_pml2+4096+PG_SWR