371 lines
11 KiB
C
371 lines
11 KiB
C
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//** Copyright (C) 1996-98 Intel Corporation. All rights reserved.
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//**
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//** The information and source code contained herein is the exclusive
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//** property of Intel Corporation and may not be disclosed, examined
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//** or reproduced in whole or in part without explicit written authorization
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//** from the company.
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//**
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//###########################################################################
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//-----------------------------------------------------------------------------
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// Version control information follows.
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//
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//
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// 10 Jun 1999 Bugcheck Bernard Lint
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// M. Jayakumar (Muthurajan.Jayakumar@intel.com)
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///////////////////////////////////////////////////////////////////////////////
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//
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// Module Name: OSINIT.C - Merced OS INIT Handler
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//
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// Description:
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// This module has OS INIT Event Handler Reference Code.
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//
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// Contents: HalpOsInitInit()
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// HalpInitHandler()
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//
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//
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// Target Platform: Merced
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//
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// Reuse: None
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//
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////////////////////////////////////////////////////////////////////////////M//
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#include "halp.h"
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#include "nthal.h"
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#include "arc.h"
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#include "i64fw.h"
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#include "check.h"
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#include "inbv.h"
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#include "osmca.h"
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// i64fwasm.s: low-level protection data structures
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extern KSPIN_LOCK HalpInitSpinLock;
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//
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// Temporary location for INIT_EXCEPTION definition.
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//
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typedef ERROR_RECORD_HEADER INIT_EXCEPTION, *PINIT_EXCEPTION; // Init Event Record
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HALP_INIT_INFO HalpInitInfo;
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volatile ULONG HalpOsInitInProgress = 0;
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VOID
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HalpInitBugCheck(
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ULONG InitBugCheckType,
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PINIT_EXCEPTION InitLog,
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ULONGLONG InitAllocatedLogSize,
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ULONGLONG SalStatus
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)
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//++
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// Name: HalpInitBugCheck()
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//
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// Routine Description:
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//
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// This function is called to bugcheck the system in a case of a fatal INIT
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// or fatal FW interface errors. The OS must guarantee as much as possible
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// error containment in this path.
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// With the current implementation, this function should be only called from
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// the OS_INIT path.
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//
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// Arguments On Entry:
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// ULONG InitBugCheckType
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// PINIT_EXCEPTION InitLog
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// ULONGLONG InitAllocatedLogSize
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// ULONGLONG SalStatus
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//
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// Return:
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// None.
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//
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// Implementation notes:
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// This code CANNOT [as default rules - at least entry and through fatal INITs handling]
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// - make any system call
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// - attempt to acquire any spinlock used by any code outside the INIT handler
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// - change the interrupt state.
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// Passing data to non-INIT code must be done using manual semaphore instructions.
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// This code should minimize the path and the global or memory allocated data accesses.
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// This code should only access INIT-namespace structures.
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// This code is called under the MP protection of HalpInitSpinLock and with the flag
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// HalpOsInitInProgress set.
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//
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//--
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{
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if ( HalpOsInitInProgress ) {
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//
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// Enable InbvDisplayString calls to make it through to bootvid driver.
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//
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if ( InbvIsBootDriverInstalled() ) {
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InbvAcquireDisplayOwnership();
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InbvResetDisplay();
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InbvSolidColorFill(0,0,639,479,4); // make the screen blue
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InbvSetTextColor(15);
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InbvInstallDisplayStringFilter((INBV_DISPLAY_STRING_FILTER)NULL);
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InbvEnableDisplayString(TRUE); // enable display string
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InbvSetScrollRegion(0,0,639,479); // set to use entire screen
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}
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HalDisplayString (MSG_INIT_HARDWARE_ERROR);
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HalDisplayString (MSG_HARDWARE_ERROR2);
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//
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// Thierry 09/2000:
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//
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// - if desired, process the INIT log HERE...
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//
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// and use HalDisplayString() to dump info for the field or hardware vendor.
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// The processing could be based on processor or platform independent record definitions.
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//
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HalDisplayString( MSG_HALT );
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KeBugCheckEx( MACHINE_CHECK_EXCEPTION, (ULONG_PTR)InitBugCheckType,
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(ULONG_PTR)InitLog,
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(ULONG_PTR)InitAllocatedLogSize,
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(ULONG_PTR)SalStatus );
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}
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if ( ((*KdDebuggerNotPresent) == FALSE) && ((*KdDebuggerEnabled) != FALSE) ) {
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KeEnterKernelDebugger();
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}
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while( TRUE ) {
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//
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; // Simply sit here so the INIT HARDWARE ERROR screen does not get corrupted...
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//
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}
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// noreturn
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} // HalpInitBugCheck()
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ERROR_SEVERITY
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HalpInitProcessLog(
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PINIT_EXCEPTION InitLog
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)
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//++
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// Name: HalpInitProcessLog()
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//
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// Routine Description:
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//
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// This function is called to process the INIT event log in the OS_INIT path.
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//
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// Arguments On Entry:
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// PINIT_EXCEPTION InitLog - Pointer to the INIT event log.
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//
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// Return:
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// ERROR_SEVERITY
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//
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// Implementation notes:
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// This code does not do anything right now.
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// Testing will allow to determine the right filtering depending on FW functionalities
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// and user requested operations like warm reset.
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//
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//--
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{
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ERROR_SEVERITY initSeverity;
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initSeverity = InitLog->ErrorSeverity;
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switch( initSeverity ) {
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case ErrorFatal:
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break;
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case ErrorRecoverable:
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break;
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case ErrorCorrected:
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break;
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default:
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//
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// These ERRROR_SEVERITY values have no HAL INIT specific handling.
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// As specified by the SAL Specs July 2000, we should not get these values in this path.
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//
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break;
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}
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return( initSeverity );
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} // HalpInitProcessLog()
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//++
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// Name: HalpInitHandler()
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//
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// Routine Description:
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//
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// This is the OsInit handler for firmware uncorrected errors
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// It is our option to run this in physical or virtual mode
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//
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// Arguments On Entry:
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// arg0 = Function ID
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//
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// Return:
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// rtn0=Success/Failure (0/!0)
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// rtn1=Alternate MinState Pointer if any else NULL
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//--
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SAL_PAL_RETURN_VALUES
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HalpInitHandler(
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ULONG64 RendezvousState,
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PPAL_MINI_SAVE_AREA Pmsa
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)
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{
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SAL_PAL_RETURN_VALUES rv;
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LONGLONG salStatus;
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KIRQL oldIrql;
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PINIT_EXCEPTION initLog;
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ULONGLONG initAllocatedLogSize;
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PSAL_EVENT_RESOURCES initResources;
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volatile KPCR * const pcr = KeGetPcr();
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//
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// Block various I/O interrupts.
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//
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KeRaiseIrql(SYNCH_LEVEL, &oldIrql);
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//
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// Enable interrupts so the debugger will work.
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//
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HalpEnableInterrupts();
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HalpAcquireMcaSpinLock(&HalpInitSpinLock);
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HalpOsInitInProgress++;
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//
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// Save OsToSal minimum state
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//
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initResources = pcr->OsMcaResourcePtr;
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initResources->OsToSalHandOff.SalReturnAddress = initResources->SalToOsHandOff.SalReturnAddress;
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initResources->OsToSalHandOff.SalGlobalPointer = initResources->SalToOsHandOff.SalGlobalPointer;
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//
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// update local variables with pre-initialized INIT log data.
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//
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initLog = (PINIT_EXCEPTION)(initResources->EventPool);
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initAllocatedLogSize = initResources->EventPoolSize;
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if ( !initLog || !initAllocatedLogSize ) {
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//
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// The following code should never happen or the implementation of the HAL INIT logs
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// pre-allocation failed miserably. This would be a development error.
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//
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HalpInitBugCheck( (ULONG_PTR)HAL_BUGCHECK_INIT_ASSERT, initLog,
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initAllocatedLogSize,
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(ULONGLONG)Pmsa );
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}
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//
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// Get the INIT logs
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//
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salStatus = (LONGLONG)0;
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while( salStatus >= 0 ) {
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ERROR_SEVERITY errorSeverity;
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rv = HalpGetStateInfo( INIT_EVENT, initLog );
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salStatus = rv.ReturnValues[0];
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switch( salStatus ) {
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case SAL_STATUS_SUCCESS:
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errorSeverity = HalpInitProcessLog( initLog );
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if ( errorSeverity == ErrorFatal ) {
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//
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// We are now going down with a MACHINE_CHECK_EXCEPTION.
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// No return...
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//
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KeBugCheckEx( MANUALLY_INITIATED_CRASH, (ULONG_PTR) initLog, initAllocatedLogSize, salStatus, (ULONG_PTR) Pmsa );
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}
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rv = HalpClearStateInfo( INIT_EVENT );
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if ( !SAL_SUCCESSFUL(rv) ) {
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//
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// Current consideration for this implementation - 08/2000:
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// if clearing the event fails, we assume that FW has a real problem;
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// continuing will be dangerous. We bugcheck.
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//
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HalpInitBugCheck( HAL_BUGCHECK_INIT_CLEAR_STATEINFO, initLog,
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initAllocatedLogSize,
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rv.ReturnValues[0] );
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}
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// SAL_STATUS_SUCCESS, SAL_STATUS_SUCCESS_MORE_RECORDS ... and
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// ErrorSeverity != ErrorFatal.
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break;
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case SAL_STATUS_NO_INFORMATION_AVAILABLE:
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//
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// The salStatus value will break the salStatus loop.
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//
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rv.ReturnValues[0] = SAL_STATUS_SUCCESS;
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break;
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case SAL_STATUS_SUCCESS_WITH_OVERFLOW:
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case SAL_STATUS_INVALID_ARGUMENT:
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case SAL_STATUS_ERROR:
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case SAL_STATUS_VA_NOT_REGISTERED:
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default: // Thierry 08/00: WARNING - SAL July 2000 - v2.90.
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// default includes possible unknown positive salStatus values.
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HalpInitBugCheck( HAL_BUGCHECK_INIT_GET_STATEINFO, initLog,
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initAllocatedLogSize,
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salStatus );
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break;
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}
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}
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if (RendezvousState == 2) {
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KeBugCheckEx( MANUALLY_INITIATED_CRASH,
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(ULONG_PTR) initLog,
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initAllocatedLogSize,
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salStatus,
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(ULONG_PTR) Pmsa
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);
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} else {
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KeBugCheckEx( NMI_HARDWARE_FAILURE,
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(ULONG_PTR) initLog,
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initAllocatedLogSize,
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salStatus,
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(ULONG_PTR) Pmsa
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);
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}
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//
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// Currently 08/2000, we do not support the modification of the minstate.
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//
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initResources->OsToSalHandOff.MinStateSavePtr = initResources->SalToOsHandOff.MinStateSavePtr;
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initResources->OsToSalHandOff.Result = rv.ReturnValues[0];
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initResources->OsToSalHandOff.NewContextFlag = 0; // continue the same context and NOT new
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//
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// Release INIT spinlock protecting OS_INIT resources.
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//
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HalpOsInitInProgress = 0;
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HalpReleaseMcaSpinLock(&HalpInitSpinLock);
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return(rv);
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} // HalpInitHandler()
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//EndProc//////////////////////////////////////////////////////////////////////
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