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[NTVDM]

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Stubplement INT 25h and INT 26h. These interrupt calls are really weird since
they don't IRET on return, so the default interrupt stub messes up the stack.


svn path=/trunk/; revision=68054
This commit is contained in:
Aleksandar Andrejevic 2015-06-07 02:49:54 +00:00
parent 8a8d30c688
commit 42155044da
1 changed files with 40 additions and 2 deletions
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42
reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/dos.c
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@ -1868,6 +1868,44 @@ VOID WINAPI DosBreakInterrupt(LPWORD Stack)
Stack[STACK_FLAGS] |= EMULATOR_FLAG_CF;
}
VOID WINAPI DosAbsoluteRead(LPWORD Stack)
{
/*
* This call should leave the flags on the stack for some reason,
* so move the stack by one word.
*/
Stack[STACK_INT_NUM] = Stack[STACK_IP];
Stack[STACK_IP] = Stack[STACK_CS];
Stack[STACK_CS] = Stack[STACK_FLAGS];
setSP(LOWORD(getSP() - 2));
// TODO: NOT IMPLEMENTED;
UNIMPLEMENTED;
/* General failure */
setAX(0x800C);
Stack[STACK_FLAGS - 1] |= EMULATOR_FLAG_CF;
}
VOID WINAPI DosAbsoluteWrite(LPWORD Stack)
{
/*
* This call should leave the flags on the stack for some reason,
* so move the stack by one word.
*/
Stack[STACK_INT_NUM] = Stack[STACK_IP];
Stack[STACK_IP] = Stack[STACK_CS];
Stack[STACK_CS] = Stack[STACK_FLAGS];
setSP(LOWORD(getSP() - 2));
// TODO: NOT IMPLEMENTED;
UNIMPLEMENTED;
/* General failure */
setAX(0x800C);
Stack[STACK_FLAGS] |= EMULATOR_FLAG_CF;
}
VOID WINAPI DosInt27h(LPWORD Stack)
{
DosTerminateProcess(getCS(), 0, (getDX() + 0x0F) >> 4);
@ -2078,14 +2116,14 @@ BOOLEAN DosKRNLInitialize(VOID)
// RegisterDosInt32(0x22, DosInt22h ); // Termination
RegisterDosInt32(0x23, DosBreakInterrupt); // Ctrl-C / Ctrl-Break
// RegisterDosInt32(0x24, DosInt24h ); // Critical Error
RegisterDosInt32(0x25, DosAbsoluteRead ); // Absolute Disk Read
RegisterDosInt32(0x26, DosAbsoluteWrite ); // Absolute Disk Write
RegisterDosInt32(0x27, DosInt27h ); // Terminate and Stay Resident
RegisterDosInt32(0x28, DosIdle ); // DOS Idle Interrupt
RegisterDosInt32(0x29, DosFastConOut ); // DOS 2+ Fast Console Output
RegisterDosInt32(0x2F, DosInt2Fh );
/* Unimplemented DOS interrupts */
RegisterDosInt32(0x25, NULL); // Absolute Disk Read
RegisterDosInt32(0x26, NULL); // Absolute Disk Write
RegisterDosInt32(0x2A, NULL); // Network - Installation Check
/* Load the CON driver */