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Line 22... Line 22...
22 
      mov    eax,edi
 22 
      mov    eax,edi
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      shl    edi, 3
 23 
      shl    edi, 3
24 
;clear busy flag in application's TSS
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;clear busy flag in application's TSS
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      mov    [edi+gdts+ tss0 +5], word 01010000b *256 +11101001b
 25 
      mov    [edi+gdts+ tss0 +5], word 01010000b *256 +11101001b
Line 26... Line -...
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- 
 
27 
;save GDT TSS entry
 - 
 
28 
;      mov    edx,[edi+tss0_l]
 - 
 
29 
;      mov    [reg1+eax*4],edx
 - 
 
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;      mov    edx,[edi+tss0_l+4]
 - 
 
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;      mov    [reg2+eax*4],edx
 - 
 
32 
;and then write there i40's descriptor
 - 
 
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;      mov    edx,[tss0sys_l+edi]
 - 
 
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;      mov    [edi+tss0_l],edx
 - 
 
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;      mov    edx,[tss0sys_l+edi+4]
 - 
 
36 
;      mov    [edi+tss0_l+4],edx
- 
 
Line 37... Line 26...
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 26 
 
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Line 39... Line 28...
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      shl    edi,5
 28 
      shl    edi,5
Line 86... Line 75...
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      ; modify 3 program's registers (in its TSS)
 75 
      ; modify 3 program's registers (in its TSS)
87 
      mov   [esi+28],eax;[esi+l.eax-tss_sceleton], eax
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      mov   [esi+28],eax;[esi+l.eax-tss_sceleton], eax
88 
      mov   [esi+16],ebx;[esi+l.ebx-tss_sceleton], ebx
 77 
      mov   [esi+16],ebx;[esi+l.ebx-tss_sceleton], ebx
89 
      mov   [esi+24],ecx;[esi+l.ecx-tss_sceleton], ecx
 78 
      mov   [esi+24],ecx;[esi+l.ecx-tss_sceleton], ecx
Line 90... Line -...
90 
 
 - 
 
91 
      ; calculate app's TSS address
 - 
 
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;      mov   ebx, [0x3000]
 - 
 
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;      shl   ebx, 3
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;      add   ebx, tss0_l
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 - 
 
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;      mov   ecx, [0x3000]
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 - 
 
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      ; restore saved TSS descriptor
 - 
 
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;      mov   eax,     [reg1+ecx*4]
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;      mov   [ebx],   eax
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;      mov   eax,     [reg2+ecx*4]
 - 
 
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;      mov   [ebx+4], eax
 - 
 
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 79 
 
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      xor    eax, eax
 80 
      xor    eax, eax
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      mov    edi, [0x3000]          ; no syscall interrupt in use anymore
 81 
      mov    edi, [0x3000]          ; no syscall interrupt in use anymore
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      shl    edi, 8
 82 
      shl    edi, 8
Line 107... Line -...
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      mov    [edi+0x80000+0xB0],eax
 - 
 
108 
 
 - 
 
109 
      ; clear busy flag in TSS of this handler
 - 
 
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;      mov    edi, [0x3000]
 - 
 
111 
;      shl    edi, 3
 - 
 
112 
;      mov    [edi+tss0sys_l +5], word 01010000b *256 +11101001b
 - 
 
113 
 
 - 
 
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;      add   edi,tss0
 - 
 
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;      mov   [0xB004], di
 - 
 
116 
 
 83 
      mov    [edi+0x80000+0xB0],eax
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;      jmp   pword [0xB000]
 84 
 
118 
      pop     eax
 85 
      pop     eax
Line 119... Line 86...
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      mov     ds,ax
 86 
      mov     ds,ax