+++ /dev/null
-/*++
-
-Copyright (c) 1998-2001 Klaus P. Gerlicher
-
-Module Name:
-
- init.c
-
-Abstract:
-
- initialisation and cleanup of debugger kernel module
-
-Environment:
-
- Kernel mode only
-
-Author:
-
- Klaus P. Gerlicher
-
-Revision History:
-
- 25-Jan-1999: created
- 15-Nov-2000: general cleanup of source files
-
-Copyright notice:
-
- This file may be distributed under the terms of the GNU Public License.
-
---*/
-
-////////////////////////////////////////////////////
-// INCLUDES
-////
-#include "remods.h"
-#include "precomp.h"
-
-////////////////////////////////////////////////////
-// GLOBALS
-ULONG ulDoInitialBreak=1;
-char szBootParams[1024]="";
-char tempInit[256];
-
-PDIRECTORY_OBJECT *pNameSpaceRoot = NULL;
-PDEBUG_MODULE pdebug_module_tail = NULL;
-PDEBUG_MODULE pdebug_module_head = NULL;
-PMADDRESS_SPACE mm_init_mm;
-extern LIST_ENTRY *pModuleListHead;
-
-ULONG KeyboardIRQL;
-
-extern void NewInt31Handler(void);
-//*************************************************************************
-// InitPICE()
-//
-//*************************************************************************
-BOOLEAN InitPICE(void)
-{
- ULONG ulHandleScancode=0,ulHandleKbdEvent=0;
- ARGS Args;
- KIRQL Dirql;
- KAFFINITY Affinity;
- ULONG ulAddr;
-
- ENTER_FUNC();
-
- DPRINT((0,"InitPICE(): trace step 0.5\n"));
- KeyboardIRQL = HalGetInterruptVector(Internal,
- 0,
- 0,
- KEYBOARD_IRQ,
- &Dirql,
- &Affinity);
- DPRINT((0,"KeyboardIRQL: %x\n", KeyboardIRQL));
-
- DPRINT((0,"InitPICE(): trace step 1\n"));
- // enable monochrome passthrough on BX type chipset
- EnablePassThrough();
-
- DPRINT((0,"InitPICE(): trace step 2\n"));
- // now load all symbol files described in /etc/pice.conf
- if(!LoadSymbolsFromConfig(FALSE))
- {
- DPRINT((0,"InitPICE: LoadSymbolsFromConfig() failed\n"));
- LEAVE_FUNC();
- return FALSE;
- }
-
- DPRINT((0,"InitPICE(): trace step 3\n"));
- // init the output console
- // this might be one of the following depending setup
- // a) monochrome card
- // b) serial terminal (TODO)
- if(!ConsoleInit())
- {
- DPRINT((0,"InitPICE: ConsoleInit() failed\n"));
- UnloadSymbols();
- LEAVE_FUNC();
- return FALSE;
- }
-
- DPRINT((0,"InitPICE(): trace step 4\n"));
- // print the initial screen template
- PrintTemplate();
-/*
- DPRINT((0,"InitPICE(): trace step 5\n"));
- // ask the user if he wants to abort the debugger load
- if(!CheckLoadAbort())
- {
- Print(OUTPUT_WINDOW,"pICE: ABORT (abort by user)\n");
- UnloadSymbols();
- ConsoleShutdown();
- LEAVE_FUNC();
- return FALSE;
- }
-*/
-
- DPRINT((0,"InitPICE(): trace step 6\n"));
- // load the file /boot/System.map.
- // !!! It must be consistent with the current kernel at all cost!!!
- if(!LoadExports())
- {
- Print(OUTPUT_WINDOW,"pICE: failed to load exports\n");
- Print(OUTPUT_WINDOW,"press any key to continue...\n");
- while(!GetKeyPolled());
- UnloadSymbols();
- ConsoleShutdown();
- LEAVE_FUNC();
- return FALSE;
- }
-
- DPRINT((0,"InitPICE(): trace step 7\n"));
- ScanExports("_KernelAddressSpace", &ulAddr);
- my_init_mm = (PMADDRESS_SPACE) ulAddr;
- DPRINT((0,"init_mm %x @ %x\n",&my_init_mm,my_init_mm));
- if(!my_init_mm)
- {
- Print(OUTPUT_WINDOW,"pICE: ABORT (initial memory map not found)\n");
- Print(OUTPUT_WINDOW,"pICE: press any key to continue...\n");
- DbgPrint("pICE: ABORT (initial memory map not found)\n");
- DbgPrint("pICE: press any key to continue...\n");
- while(!GetKeyPolled());
- UnloadSymbols();
- ConsoleShutdown();
- LEAVE_FUNC();
- return FALSE;
- }
-
- DPRINT((0,"InitPICE(): trace step 7.1\n"));
- ScanExports("_ModuleListHead",&ulAddr);
- pModuleListHead = (LIST_ENTRY*)ulAddr;
- DPRINT((0,"pModuleListHead @ %X\n",pModuleListHead));
- if(!pModuleListHead)
- {
- Print(OUTPUT_WINDOW,"pICE: ABORT (pModuleListHead not found)\n");
- Print(OUTPUT_WINDOW,"pICE: press any key to continue...\n");
- while(!GetKeyPolled());
- UnloadSymbols();
- ConsoleShutdown();
- LEAVE_FUNC();
- return FALSE;
- }
-
- DPRINT((0,"InitPICE(): trace step 7.2\n"));
- ScanExports("_PsProcessListHead",&ulAddr);
- pPsProcessListHead = (LIST_ENTRY*)ulAddr;
- DPRINT((0,"pPsProcessListHead @ %X\n",pPsProcessListHead));
- if(!pPsProcessListHead)
- {
- Print(OUTPUT_WINDOW,"pICE: ABORT (PsProcessListHead not found)\n");
- Print(OUTPUT_WINDOW,"pICE: press any key to continue...\n");
- while(!GetKeyPolled());
- UnloadSymbols();
- ConsoleShutdown();
- LEAVE_FUNC();
- return FALSE;
- }
-
- DPRINT((0,"InitPICE(): trace step 8\n"));
- // end of the kernel
- /*
- ScanExports("_end",(PULONG)&kernel_end);
- if(!kernel_end)
- {
- Print(OUTPUT_WINDOW,"pICE: ABORT (kernel size is unknown)\n");
- Print(OUTPUT_WINDOW,"pICE: press any key to continue...\n");
- while(!GetKeyPolled());
- UnloadExports();
- UnloadSymbols();
- ConsoleShutdown();
- LEAVE_FUNC();
- return FALSE;
- }
- */
-
- DPRINT((0,"InitPICE(): trace step 9\n"));
-
- // the loaded module list
- ScanExports("_NameSpaceRoot", &ulAddr);
- pNameSpaceRoot = (PDIRECTORY_OBJECT *)ulAddr;
- DPRINT((0,"pNameSpaceRoot @ %X\n",pNameSpaceRoot));
- if(!pNameSpaceRoot)
- {
- Print(OUTPUT_WINDOW,"pICE: ABORT (couldn't retreive name space root)\n");
- Print(OUTPUT_WINDOW,"pICE: press any key to continue...\n");
- while(!GetKeyPolled());
- UnloadExports();
- UnloadSymbols();
- ConsoleShutdown();
- LEAVE_FUNC();
- return FALSE;
- }
-
- DPRINT((0,"InitPICE(): trace step 10\n"));
- // setup a linked list for use in module parsing routines.
- if(!InitModuleList(&pdebug_module_head, 100))
- {
- Print(OUTPUT_WINDOW,"pICE: ABORT (couldn't initialize kernel module list)\n");
- Print(OUTPUT_WINDOW,"pICE: press any key to continue...\n");
- FreeModuleList( pdebug_module_head );
- while(!GetKeyPolled());
- UnloadExports();
- UnloadSymbols();
- ConsoleShutdown();
- LEAVE_FUNC();
- return FALSE;
- }
- pdebug_module_tail = pdebug_module_head;
-
- DPRINT((0,"InitPICE(): trace step 11\n"));
- // do a sanity check on exports
- if(!SanityCheckExports())
- {
- Print(OUTPUT_WINDOW,"pICE: ABORT (exports are conflicting with kernel symbols)\n");
- Print(OUTPUT_WINDOW,"pICE: press any key to continue...\n");
- while(!GetKeyPolled());
- UnloadExports();
- UnloadSymbols();
- ConsoleShutdown();
- LEAVE_FUNC();
- return FALSE;
- }
-
- DPRINT((0,"InitPICE(): trace step 12\n"));
-
-
- DPRINT((0,"InitPICE(): trace step 13\n"));
- // patch the keyboard driver
-
- if(!PatchKeyboardDriver())
- {
- Print(OUTPUT_WINDOW,"pICE: ABORT (couldn't patch keyboard driver)\n");
- Print(OUTPUT_WINDOW,"pICE: press any key to continue...\n");
- while(!GetKeyPolled());
- UnloadSymbols();
- UnloadExports();
- ConsoleShutdown();
- LEAVE_FUNC();
- return FALSE;
- }
-
- DPRINT((0,"InitPICE(): trace step 14\n"));
- // partial init of shadow registers
- CurrentCS = GLOBAL_CODE_SEGMENT;
- CurrentEIP = (ULONG)RealIsr;
-
- CurrentDS = CurrentSS = GLOBAL_DATA_SEGMENT;
- __asm__("\n\t \
- mov %%esp,%%eax\n\t \
- mov %%eax,_CurrentESP\n\t \
- ":::"eax");
-
-
- // display version and symbol information
- Ver(NULL);
-
- // disable HW breakpoints
- __asm__("\n\t \
- xorl %%eax,%%eax\n\t \
- mov %%eax,%%dr6\n\t \
- mov %%eax,%%dr7\n\t \
- mov %%dr0,%%eax\n\t \
- mov %%dr1,%%eax\n\t \
- mov %%dr2,%%eax\n\t \
- mov %%dr3,%%eax"
- :::"eax"
- );
-
- DPRINT((0,"InitPICE(): trace step 15\n"));
- TakeIdtSnapshot();
-
- DPRINT((0,"InitPICE(): trace step 16\n"));
- // install all hooks
- InstallTraceHook();
- InstallGlobalKeyboardHook();
- InstallSyscallHook();
- InstallInt3Hook();
- InstallDblFltHook();
- InstallGPFaultHook();
- InstallIntEHook();
- InstallPrintkHook();
-
- DPRINT((0,"InitPICE(): trace step 16\n"));
- if(ulDoInitialBreak)
- {
- DPRINT((0,"about to do initial break...\n"));
-
- // simulate an initial break
- __asm__("\n\t \
- pushfl\n\t \
- pushl %cs\n\t \
- pushl $initialreturnpoint\n\t \
- pushl $" STR(REASON_CTRLF) "\n\t \
- jmp NewInt31Handler\n\t \
-initialreturnpoint:");
- }
- else
- {
- // display register contents
- DisplayRegs();
-
- // display data window
- Args.Value[0]=CurrentDS;
- Args.Value[1]=CurrentEIP;
- Args.Count=2;
- DisplayMemory(&Args);
-
- // disassembly from current address
- Args.Value[0]=CurrentCS;
- Args.Value[1]=CurrentEIP;
- Args.Count=2;
- Unassemble(&Args);
- }
-
- DPRINT((0,"InitPICE(): trace step 17\n"));
- InitPiceRunningTimer();
-
- LEAVE_FUNC();
- return TRUE;
-}
-
-//*************************************************************************
-// CleanUpPICE()
-//
-//*************************************************************************
-void CleanUpPICE(void)
-{
- DPRINT((0,"CleanUpPICE(): trace step 1\n"));
- RemovePiceRunningTimer();
-
- DPRINT((0,"CleanUpPICE(): trace step 2\n"));
- // de-install all hooks
- DeInstallGlobalKeyboardHook();
- DeInstallSyscallHook();
- DeInstallInt3Hook();
- DeInstallPrintkHook();
- DeInstallDblFltHook();
- DeInstallGPFaultHook();
- DeInstallIntEHook();
- DeInstallTraceHook();
-
- DPRINT((0,"CleanUpPICE(): trace step 3\n"));
- RestoreIdt();
-
- DPRINT((0,"CleanUpPICE(): trace step 4\n"));
- UnloadExports(); // don't use ScanExports() after this
- UnloadSymbols();
-
- DPRINT((0,"CleanUpPICE(): trace step 5\n"));
- // restore patch of keyboard driver
- RestoreKeyboardDriver();
-
- DPRINT((0,"CleanUpPICE(): trace step 6\n"));
- Print(OUTPUT_WINDOW,"pICE: shutting down...\n");
-
- DPRINT((0,"CleanUpPICE(): trace step 7\n"));
- // cleanup the console
- ConsoleShutdown();
-}
projects / reactos.git / blobdiff