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68 lines
1.5 KiB
C
68 lines
1.5 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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* FILE: ntoskrnl/kd/wrappers/bochs.c
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* PURPOSE: BOCHS Wrapper for Kd
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*
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* PROGRAMMERS: Alex Ionescu (alex@relsoft.net)
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*/
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#include <ntoskrnl.h>
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#define NDEBUG
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#include <debug.h>
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/* bochs debug output */
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#define BOCHS_LOGGER_PORT ((PVOID)0xe9)
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/* FUNCTIONS *****************************************************************/
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VOID
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NTAPI
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KdpBochsDebugPrint(IN PCH Message,
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IN ULONG Length)
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{
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if (!KdpDebugMode.Bochs) return;
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while (*Message != 0)
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{
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if (*Message == '\n')
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{
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WRITE_PORT_UCHAR(BOCHS_LOGGER_PORT, '\r');
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}
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WRITE_PORT_UCHAR(BOCHS_LOGGER_PORT, *Message);
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Message++;
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}
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}
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VOID
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NTAPI
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KdpBochsInit(PKD_DISPATCH_TABLE DispatchTable,
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ULONG BootPhase)
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{
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UCHAR Value;
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if (!KdpDebugMode.Bochs) return;
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if (BootPhase == 0)
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{
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Value = READ_PORT_UCHAR(BOCHS_LOGGER_PORT);
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if (Value != (ULONG_PTR)BOCHS_LOGGER_PORT)
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{
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KdpDebugMode.Bochs = FALSE;
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return;
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}
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/* Write out the functions that we support for now */
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DispatchTable->KdpInitRoutine = KdpBochsInit;
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DispatchTable->KdpPrintRoutine = KdpBochsDebugPrint;
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/* Register as a Provider */
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InsertTailList(&KdProviders, &DispatchTable->KdProvidersList);
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}
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else if (BootPhase == 2)
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{
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HalDisplayString("\r\n Bochs debugging enabled\r\n\r\n");
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}
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}
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/* EOF */
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