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[NTVDM]: Use the 0xCC (int 3) instruction as the memory fill byte.

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svn path=/trunk/; revision=64383
This commit is contained in:
Hermès Bélusca-Maïto 2014-09-28 22:35:05 +00:00
parent f455bcf161
commit 90d370dbb6
1 changed files with 6 additions and 2 deletions
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8
reactos/subsystems/ntvdm/emulator.c
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@ -549,8 +549,12 @@ BOOLEAN EmulatorInitialize(HANDLE ConsoleInput, HANDLE ConsoleOutput)
wprintf(L"FATAL: Failed to allocate VDM memory.\n"); wprintf(L"FATAL: Failed to allocate VDM memory.\n");
return FALSE; return FALSE;
} }
// For diagnostics purposes!! /*
RtlFillMemory(BaseAddress, MAX_ADDRESS, 0xFF); * For diagnostics purposes, we fill the memory with INT 0x03 codes
* so that if a program wants to execute random code in memory, we can
* retrieve the exact CS:IP where the problem happens.
*/
RtlFillMemory(BaseAddress, MAX_ADDRESS, 0xCC);
/* Initialize I/O ports */ /* Initialize I/O ports */
/* Initialize RAM */ /* Initialize RAM */