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Rev 6311 Rev 6339
Line 18... Line 18...
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        width           rd 1
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        width           rd 1
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        height          rd 1
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        height          rd 1
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        pitch           rd 1
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        pitch           rd 1
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        format          rd 1
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        format          rd 1
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        private         rd 1
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        private         rd 1
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        pde             rd 8
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        pde             rd 16*2
24 
ends
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ends
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 25 
 
26 
align 4
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align 4
27 
create_framebuffer:
 27 
create_framebuffer:
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 124 
 
125 
        mov     esi, [LFBAddress]
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        mov     esi, [LFBAddress]
126 
        bt      [cpu_caps], CAPS_PSE
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        bt      [cpu_caps], CAPS_PSE
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        jnc     .create_page_tables
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        jnc     .create_page_tables
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129 
        mov     edx, 0x00400000
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        mov     edx, 0x00200000
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        or      esi, PG_GLOBAL+PAT_WC+PG_UWR
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        or      esi, PG_GLOBAL+PAT_WC+PG_UWR
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        and     esi, [pte_valid_mask]
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        and     esi, [pte_valid_mask]
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        or      esi, PDE_LARGE
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        or      esi, PDE_LARGE
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        mov     [ebp+FRB.pde], esi
 - 
 
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        add     esi, edx
 - 
 
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        mov     [ebp+FRB.pde+4], esi
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        mov     [ebp+FRB.pde], esi
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        add     esi, edx
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        add     esi, edx
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        mov     [ebp+FRB.pde+8], esi
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        mov     [ebp+FRB.pde+8], esi
- 
 
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        add     esi, edx
- 
 
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        mov     [ebp+FRB.pde+16], esi
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        add     esi, edx
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        add     esi, edx
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        mov     [ebp+FRB.pde+12], esi
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        mov     [ebp+FRB.pde+24], esi
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        add     esi, edx
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        add     esi, edx
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.ok:
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.ok:
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        call    calculate_fast_getting_offset_for_WinMapAddress
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        call    calculate_fast_getting_offset_for_WinMapAddress
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        or      esi, PG_GLOBAL+PAT_WC+PG_UWR
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        or      esi, PG_GLOBAL+PAT_WC+PG_UWR
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        and     esi, [pte_valid_mask]
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        and     esi, [pte_valid_mask]
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 154 
 
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        stdcall alloc_kernel_space, 0x1000
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        stdcall alloc_kernel_space, 0x1000
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        mov     edi, eax
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        mov     edi, eax
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        mov     ebx, 4
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        mov     ebx, 8
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.new_pd:
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.new_pd:
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        call    alloc_page
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        call    alloc_page
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        lea     edx, [eax+PG_UWR]
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        lea     edx, [eax+PG_UWR]
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        mov     [ebp], edx
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        mov     [ebp], edx
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        stdcall map_page, edi, eax, PG_SWR
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        stdcall map_page, edi, eax, PG_SWR
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- 
 
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        mov     eax, esi
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        mov     eax, esi
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        mov     ecx, 512
- 
 
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@@:
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        mov     ecx, 1024
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        mov     [edi], eax
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@@:
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        mov     [edi+4], dword 0
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        stosd
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        add     eax, 0x1000
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        add     eax, 0x1000
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        add     edi, 8
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        loop    @B
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        loop    @B
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        add     esi, 0x400000
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        add     esi, 0x200000
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        stdcall alloc_pages, ((1228800+81920)/4096)
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        stdcall alloc_pages, ((1228800+81920)/4096)
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        or      eax, PG_GLOBAL+PG_UWR
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        or      eax, PG_GLOBAL+PG_UWR
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        and     eax, [pte_valid_mask]
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        and     eax, [pte_valid_mask]
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        mov     ecx, (1228800+81920)/4096
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        mov     ecx, (1228800+81920)/4096
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@@:
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@@:
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        stosd
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        mov     [edi], eax
- 
 
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        mov     [edi+4],dword 0
202 
        add     eax, 0x1000
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        add     eax, 0x1000
- 
 
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        add     edi, 8
203 
        loop    @B
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        loop    @B
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 208 
 
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        call free_kernel_space
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        call free_kernel_space
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        jmp     .ok
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        jmp     .ok
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 211 
 
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align 4
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align 4
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set_framebuffer:
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set_framebuffer:
210 
        push    esi
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        push    esi
211 
        push    edi
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        push    edi
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        lea     esi, [ecx+FRB.pde]
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        lea     esi, [ecx+FRB.pde]
213 
        mov     eax, sys_proc
 217 
        mov     edi, sys_pml2+OS_BASE+8192-16*8
214 
 
 218 
 
- 
 
 219 
        cld
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        cld
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        pushfd
- 
 
 221 
        cli
216 
        pushfd
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217 
        cli
 - 
 
218 
        mov     [_display.current_lfb], ecx
 223 
        mov     [_display.current_lfb], ecx
219 
.patch_pde:
 - 
 
220 
        lea     edi, [eax+PROC.pdt_0+4096-32]   ;last 8 pd entries up to 32Mb framebuffer
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221 
        mov     ecx, 4
 - 
 
222 
        rep movsd                               ;patch pde
 - 
 
223 
        sub     esi, 16
 - 
 
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224 
        mov     eax, [eax+PROC.list.next]       ;next process/address space
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.patch_pde:
225 
        cmp     eax, sys_proc
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        mov     ecx, 16*2
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        jne     .patch_pde
 227 
        rep movsd