forked from KolibriOS/kolibrios
fixed bug in V86-mode handling of IRQ>=8
git-svn-id: svn://kolibrios.org@724 a494cfbc-eb01-0410-851d-a64ba20cac60
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@ -21,7 +21,7 @@ novesa db "Display: EGA/CGA",13,10,0
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s_vesa db "Version of VESA: "
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.ver db "?.?",13,10,0
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gr_mode db "Select a vedeomode: ",13,10,0
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gr_mode db "Select a videomode: ",13,10,0
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;s_bpp db 13,10,186," ƒ«ã¡¨ 梥â : "
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; .bpp dw "??"
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; db 13,10,0
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@ -47,7 +47,7 @@ v86_create:
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; first half (0x800 bytes) is page table for addresses 0 - 0x100000,
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; second half is for V86-to-linear translation.
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; Third and fourth are for I/O permission map.
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push 8000h ;page block less 8Kb are discontinuous
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push 8000h ; blocks less than 8 pages are discontinuous
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call kernel_alloc
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test eax, eax
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jz .fail2
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@ -170,7 +170,7 @@ v86_set_page:
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; esi=handle
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; out: eax=V86 address, para-aligned (0x10 multiple)
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; destroys: nothing
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; ᠭ!!!
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; ¥¤®¯¨á !!!
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;v86_alloc:
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; push ebx ecx edx edi
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; lea ebx, [esi+V86_machine.mutex]
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@ -190,7 +190,7 @@ v86_set_page:
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; add edx, ecx
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; cmp dword [edx], 0 ; free block?
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; jnz .n
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; cmp dword [edx+4],
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; cmp dword [edx+4],
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; and [esi+V86_machine.mutex], 0
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; pop edi edx ecx ebx
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; ret
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@ -390,8 +390,8 @@ v86_exc_c:
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jnz .nogp
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; Otherwise we can safely access byte at CS:IP
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; (because it is #GP, not #PF handler)
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; 嫮 ᪫祭 ⮫쪮 - ⥭ ⮢ ,
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; 㦥 嫮⠫ 뫮 #GP
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; …᫨ ¡ë ¬ë ¬®£«¨ áå«®¯®â âì ¨áª«î票¥ ⮫쪮 ¨§-§ çâ¥¨ï ¡ ©â®¢ ª®¤ ,
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; ¬ë ¡ë ¥£® 㦥 áå«®¯®â «¨ ¨ íâ® ¡ë«® ¡ë ¥ #GP
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movzx esi, word [esp+v86_regs.cs]
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shl esi, 4
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add esi, [esp+v86_regs.eip]
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@ -798,7 +798,7 @@ v86_irq2:
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lea eax, [edi+8]
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cmp al, 10h
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jb @f
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add al, 70h-8
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add al, 60h
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@@:
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jmp v86_exc_c.simulate_int
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.notcurrent:
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@ -854,7 +854,7 @@ v86_irq2:
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lea eax, [edi+8]
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cmp al, 10h
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jb @f
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add al, 70h-8
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add al, 60h
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@@:
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mov cx, [eax*4]
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mov word [esi-v86_regs.size+v86_regs.eip], cx
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