mirror of
https://github.com/reactos/reactos.git
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109 lines
2.8 KiB
C
109 lines
2.8 KiB
C
/*
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* PROJECT: ReactOS Hardware Abstraction Layer
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* LICENSE: BSD - See COPYING.ARM in the top level directory
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* PURPOSE: NMI handling
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* PROGRAMMERS: ReactOS Portable Systems Group
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*/
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/* INCLUDES *******************************************************************/
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#include <hal.h>
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#include <drivers/bootvid/display.h>
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#define NDEBUG
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#include <debug.h>
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/* GLOBALS *******************************************************************/
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BOOLEAN HalpNMIInProgress;
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/* FUNCTIONS *****************************************************************/
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/*
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* @implemented
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*/
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VOID
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NTAPI
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HalHandleNMI(
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IN PVOID NmiInfo)
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{
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UNREFERENCED_PARAMETER(NmiInfo);
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#ifndef _MINIHAL_
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SYSTEM_CONTROL_PORT_B_REGISTER SystemControl;
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/* Don't recurse */
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if (HalpNMIInProgress++)
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ERROR_DBGBREAK();
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/* Get NMI reason from hardware */
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#if defined(SARCH_PC98)
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SystemControl.Bits = __inbyte(PPI_IO_i_PORT_B);
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#else
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SystemControl.Bits = __inbyte(SYSTEM_CONTROL_PORT_B);
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#endif
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/* Switch to boot video */
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if (InbvIsBootDriverInstalled())
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{
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/* Acquire ownership */
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InbvAcquireDisplayOwnership();
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InbvResetDisplay();
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/* Fill the screen */
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InbvSolidColorFill(0, 0, SCREEN_WIDTH - 1, SCREEN_HEIGHT - 1, BV_COLOR_RED);
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InbvSetScrollRegion(0, 0, SCREEN_WIDTH - 1, SCREEN_HEIGHT - 1);
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/* Enable text */
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InbvSetTextColor(BV_COLOR_WHITE);
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InbvInstallDisplayStringFilter(NULL);
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InbvEnableDisplayString(TRUE);
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}
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/* Display NMI failure string */
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InbvDisplayString("\r\n*** Hardware Malfunction\r\n\r\n");
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InbvDisplayString("Call your hardware vendor for support\r\n\r\n");
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#if defined(SARCH_PC98)
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/* Check for parity error */
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if (SystemControl.MemoryParityCheck)
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{
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InbvDisplayString("NMI: Parity Check / Memory Parity Error\r\n");
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}
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if (SystemControl.ExtendedMemoryParityCheck)
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{
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InbvDisplayString("NMI: Parity Check / Extended Memory Parity Error\r\n");
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}
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#else
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/* Check for parity error */
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if (SystemControl.ParityCheck)
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{
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InbvDisplayString("NMI: Parity Check / Memory Parity Error\r\n");
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}
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/* Check for I/O failure */
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if (SystemControl.ChannelCheck)
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{
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InbvDisplayString("NMI: Channel Check / IOCHK\r\n");
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}
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#endif
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/* Check for EISA systems */
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if (HalpBusType == MACHINE_TYPE_EISA)
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{
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/* FIXME: Not supported */
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UNIMPLEMENTED;
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}
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/* Halt the system */
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InbvDisplayString("\r\n*** The system has halted ***\r\n");
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/* Enter the debugger if possible */
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KiBugCheckData[0] = (ULONG_PTR)KeServiceDescriptorTable; /* NMI Corruption? */
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if (!KdDebuggerNotPresent && KdDebuggerEnabled)
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KeEnterKernelDebugger();
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#endif /* !_MINIHAL_ */
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/* Freeze the system */
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while (TRUE)
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NOTHING;
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}
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