{
UNREFERENCED_PARAMETER(State);
+ // BIG HACK!!!! To make BIOS images working correctly,
+ // until Aleksander rewrites memory management!!
+ if (Address >= 0xFFFFFFF0) Address -= 0xFFF00000;
+
/* If the A20 line is disabled, mask bit 20 */
if (!A20Line) Address &= ~(1 << 20);
DWORD VgaAddress = max(Address, VgaGetVideoBaseAddress());
DWORD ActualSize = min(Address + Size - 1, VgaGetVideoLimitAddress())
- VgaAddress + 1;
- LPBYTE DestBuffer = (LPBYTE)((ULONG_PTR)BaseAddress + VgaAddress);
+ LPBYTE DestBuffer = (LPBYTE)REAL_TO_PHYS(VgaAddress);
/* Read from the VGA memory */
VgaReadMemory(VgaAddress, DestBuffer, ActualSize);
}
/* Read the data from the virtual address space and store it in the buffer */
- RtlCopyMemory(Buffer, (LPVOID)((ULONG_PTR)BaseAddress + Address), Size);
+ RtlCopyMemory(Buffer, REAL_TO_PHYS(Address), Size);
}
VOID WINAPI EmulatorWriteMemory(PFAST486_STATE State, ULONG Address, PVOID Buffer, ULONG Size)
{
UNREFERENCED_PARAMETER(State);
+ // BIG HACK!!!! To make BIOS images working correctly,
+ // until Aleksander rewrites memory management!!
+ if (Address >= 0xFFFFFFF0) Address -= 0xFFF00000;
+
/* If the A20 line is disabled, mask bit 20 */
if (!A20Line) Address &= ~(1 << 20);
if ((Address + Size) >= ROM_AREA_START && (Address < ROM_AREA_END)) return;
/* Read the data from the buffer and store it in the virtual address space */
- RtlCopyMemory((LPVOID)((ULONG_PTR)BaseAddress + Address), Buffer, Size);
+ RtlCopyMemory(REAL_TO_PHYS(Address), Buffer, Size);
/*
* Check if we modified the VGA memory.
DWORD VgaAddress = max(Address, VgaGetVideoBaseAddress());
DWORD ActualSize = min(Address + Size - 1, VgaGetVideoLimitAddress())
- VgaAddress + 1;
- LPBYTE SrcBuffer = (LPBYTE)((ULONG_PTR)BaseAddress + VgaAddress);
+ LPBYTE SrcBuffer = (LPBYTE)REAL_TO_PHYS(VgaAddress);
/* Write to the VGA memory */
VgaWriteMemory(VgaAddress, SrcBuffer, ActualSize);
EmulatorIntAcknowledge,
NULL /* TODO: Use a TLB */);
- /* Enable interrupts */
- setIF(1);
-
/* Initialize DMA */
/* Initialize the PIC, the PIT, the CMOS and the PC Speaker */