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[NTVDM]

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- Move some interrupt initialization where it belongs and activate few other ones.
- Initialize interruct vector for INT 2Ah (Network check) because some apps directly call it and crash if it contains NULL.

svn path=/trunk/; revision=67595
This commit is contained in:
Hermès Bélusca-Maïto 2015-05-07 23:54:47 +00:00
parent 226f484ce6
commit 1522bf4fc0
4 changed files with 17 additions and 9 deletions
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1
reactos/subsystems/mvdm/ntvdm/bios/bios32/bios32.c
View file

@ -570,7 +570,6 @@ static VOID InitializeBiosInt32(VOID)
RegisterBiosInt32(0x17, NULL);
RegisterBiosInt32(0x1B, NULL);
RegisterBiosInt32(0x4A, NULL); // User Alarm Handler
RegisterBiosInt32(0x6D, NULL); // Video BIOS Entry Point
/* Relocated services by the BIOS (when needed) */
RegisterBiosInt32(0x40, NULL); // ROM BIOS Diskette Handler relocated by Hard Disk BIOS

4
reactos/subsystems/mvdm/ntvdm/bios/bios32/vidbios32.c
View file

@ -29,6 +29,10 @@ BOOLEAN VidBios32Initialize(VOID)
/* Register the BIOS 32-bit Interrupts */
RegisterBiosInt32(BIOS_VIDEO_INTERRUPT, VidBiosVideoService);
/* Vectors that should be implemented */
RegisterBiosInt32(0x42, NULL); // Relocated Default INT 10h Video Services
RegisterBiosInt32(0x6D, NULL); // Video BIOS Entry Point
return TRUE;
}

16
reactos/subsystems/mvdm/ntvdm/bios/vidbios.c
View file

@ -3275,15 +3275,17 @@ VOID VidBiosDetachFromConsole(VOID)
BOOLEAN VidBiosInitialize(VOID)
{
/* Some interrupts are in fact addresses to tables */
((PULONG)BaseAddress)[0x1D] = (ULONG)NULL;
// Far pointer to the 8x8 characters 80h-FFh
/* Some vectors are in fact addresses to tables */
((PULONG)BaseAddress)[0x1D] = (ULONG)NULL; // Video Parameter Tables
// Far pointer to the 8x8 graphics font for the 8x8 characters 80h-FFh
((PULONG)BaseAddress)[0x1F] = MAKELONG(FONT_8x8_HIGH_OFFSET, VIDEO_BIOS_DATA_SEG);
// ((PULONG)BaseAddress)[0x42] = (ULONG)NULL;
// Far pointer to the 8x16 characters 00h-...
// Far pointer to the character table (EGA, MCGA, VGA) for the 8x16 characters 00h-...
((PULONG)BaseAddress)[0x43] = MAKELONG(FONT_8x16_OFFSET, VIDEO_BIOS_DATA_SEG);
((PULONG)BaseAddress)[0x44] = (ULONG)NULL;
// ((PULONG)BaseAddress)[0x6D] = (ULONG)NULL;
((PULONG)BaseAddress)[0x44] = (ULONG)NULL; // ROM BIOS Character Font, Characters 00h-7Fh (PCjr)
/* Relocated services by the BIOS (when needed) */
((PULONG)BaseAddress)[0x42] = (ULONG)NULL; // Relocated Default INT 10h Video Services
((PULONG)BaseAddress)[0x6D] = (ULONG)NULL; // Video BIOS Entry Point
/* Fill the tables */
RtlMoveMemory(SEG_OFF_TO_PTR(VIDEO_BIOS_DATA_SEG, FONT_8x8_OFFSET),

5
reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/dos.c
View file

@ -775,7 +775,7 @@ VOID WINAPI DosInt21h(LPWORD Stack)
/* Get Interrupt Vector */
case 0x35:
{
DWORD FarPointer = ((PDWORD)BaseAddress)[getAL()];
ULONG FarPointer = ((PULONG)BaseAddress)[getAL()];
/* Read the address from the IDT into ES:BX */
setES(HIWORD(FarPointer));
@ -2015,6 +2015,9 @@ BOOLEAN DosKRNLInitialize(VOID)
RegisterDosInt32(0x29, DosFastConOut ); // DOS 2+ Fast Console Output
RegisterDosInt32(0x2F, DosInt2Fh );
/* Unimplemented DOS interrupts */
RegisterDosInt32(0x2A, NULL); // Network - Installation Check
/* Load the CON driver */
ConDrvInitialize();