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Reactos
1/*
2 * PROJECT: ReactOS Hardware Abstraction Layer
3 * LICENSE: BSD - See COPYING.ARM in the top level directory
4 * PURPOSE: NMI handling
5 * PROGRAMMERS: ReactOS Portable Systems Group
6 */
7
8/* INCLUDES *******************************************************************/
9
10#include <hal.h>
11#include <drivers/bootvid/display.h>
12
13#define NDEBUG
14#include <debug.h>
15
16/* GLOBALS *******************************************************************/
17
18BOOLEAN HalpNMIInProgress;
19
20/* FUNCTIONS *****************************************************************/
21
22/*
23 * @implemented
24 */
25VOID
26NTAPI
27HalHandleNMI(
28 IN PVOID NmiInfo)
29{
30 UNREFERENCED_PARAMETER(NmiInfo);
31#ifndef _MINIHAL_
32 SYSTEM_CONTROL_PORT_B_REGISTER SystemControl;
33
34 /* Don't recurse */
35 if (HalpNMIInProgress++)
36 ERROR_DBGBREAK();
37
38 /* Get NMI reason from hardware */
39#if defined(SARCH_PC98)
40 SystemControl.Bits = __inbyte(PPI_IO_i_PORT_B);
41#else
42 SystemControl.Bits = __inbyte(SYSTEM_CONTROL_PORT_B);
43#endif
44
45 /* Switch to boot video */
46 if (InbvIsBootDriverInstalled())
47 {
48 /* Acquire ownership */
49 InbvAcquireDisplayOwnership();
50 InbvResetDisplay();
51
52 /* Fill the screen */
53 InbvSolidColorFill(0, 0, SCREEN_WIDTH - 1, SCREEN_HEIGHT - 1, BV_COLOR_RED);
54 InbvSetScrollRegion(0, 0, SCREEN_WIDTH - 1, SCREEN_HEIGHT - 1);
55
56 /* Enable text */
57 InbvSetTextColor(BV_COLOR_WHITE);
58 InbvInstallDisplayStringFilter(NULL);
59 InbvEnableDisplayString(TRUE);
60 }
61
62 /* Display NMI failure string */
63 InbvDisplayString("\r\n*** Hardware Malfunction\r\n\r\n");
64 InbvDisplayString("Call your hardware vendor for support\r\n\r\n");
65
66#if defined(SARCH_PC98)
67 /* Check for parity error */
68 if (SystemControl.MemoryParityCheck)
69 {
70 InbvDisplayString("NMI: Parity Check / Memory Parity Error\r\n");
71 }
72 if (SystemControl.ExtendedMemoryParityCheck)
73 {
74 InbvDisplayString("NMI: Parity Check / Extended Memory Parity Error\r\n");
75 }
76#else
77 /* Check for parity error */
78 if (SystemControl.ParityCheck)
79 {
80 InbvDisplayString("NMI: Parity Check / Memory Parity Error\r\n");
81 }
82
83 /* Check for I/O failure */
84 if (SystemControl.ChannelCheck)
85 {
86 InbvDisplayString("NMI: Channel Check / IOCHK\r\n");
87 }
88#endif
89
90 /* Check for EISA systems */
91 if (HalpBusType == MACHINE_TYPE_EISA)
92 {
93 /* FIXME: Not supported */
94 UNIMPLEMENTED;
95 }
96
97 /* Halt the system */
98 InbvDisplayString("\r\n*** The system has halted ***\r\n");
99
100 /* Enter the debugger if possible */
101 KiBugCheckData[0] = (ULONG_PTR)KeServiceDescriptorTable; /* NMI Corruption? */
102 if (!KdDebuggerNotPresent && KdDebuggerEnabled)
103 KeEnterKernelDebugger();
104#endif /* !_MINIHAL_ */
105
106 /* Freeze the system */
107 while (TRUE)
108 NOTHING;
109}