/* $NetBSD: OsdMisc.c,v 1.16 2017/01/25 13:38:40 christos Exp $ */
/*
* Copyright 2001 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Jason R. Thorpe for Wasabi Systems, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the NetBSD Project by
* Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Copyright (C) 2000 - 2017, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*/
/*
* OS Services Layer
*
* 6.10: Miscellaneous
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: OsdMisc.c,v 1.16 2017/01/25 13:38:40 christos Exp $");
#include "opt_acpi.h"
#include "opt_ddb.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <machine/db_machdep.h>
#include <ddb/db_extern.h>
#include <ddb/db_output.h>
#include <dev/acpi/acpica.h>
#include <dev/acpi/acpi_osd.h>
#ifdef ACPI_DEBUG
#include <external/bsd/acpica/dist/include/acpi.h>
#include <external/bsd/acpica/dist/include/accommon.h>
#include <external/bsd/acpica/dist/include/acdebug.h>
#endif
#ifdef ACPI_DSDT_OVERRIDE
#ifndef ACPI_DSDT_FILE
#define ACPI_DSDT_FILE "dsdt.hex"
#endif
#include ACPI_DSDT_FILE
#endif
int acpi_indebugger;
/*
* AcpiOsSignal:
*
* Break to the debugger or display a breakpoint message.
*/
ACPI_STATUS
AcpiOsSignal(UINT32 Function, void *Info)
{
/*
* the upper layer might call with Info = NULL,
* which makes little sense.
*/
if (Info == NULL)
return AE_NO_MEMORY;
switch (Function) {
case ACPI_SIGNAL_FATAL:
{
ACPI_SIGNAL_FATAL_INFO *info = Info;
panic("ACPI fatal signal: "
"Type 0x%08x, Code 0x%08x, Argument 0x%08x",
info->Type, info->Code, info->Argument);
/* NOTREACHED */
break;
}
case ACPI_SIGNAL_BREAKPOINT:
{
#ifdef ACPI_BREAKPOINT
char *info = Info;
printf("%s\n", info);
# if defined(DDB)
Debugger();
# else
printf("ACPI: WARNING: DDB not configured into kernel.\n");
return AE_NOT_EXIST;
# endif
#endif
break;
}
default:
return AE_BAD_PARAMETER;
}
return AE_OK;
}
ACPI_STATUS
AcpiOsGetLine(char *Buffer, UINT32 BufferLength, UINT32 *BytesRead)
{
#if defined(DDB)
char *cp;
db_readline(Buffer, 80);
for (cp = Buffer; *cp != 0; cp++)
if (*cp == '\n' || *cp == '\r')
*cp = 0;
db_output_line = 0;
return AE_OK;
#else
printf("ACPI: WARNING: DDB not configured into kernel.\n");
return AE_NOT_EXIST;
#endif
}
ACPI_STATUS
AcpiOsTableOverride(ACPI_TABLE_HEADER *ExistingTable,
ACPI_TABLE_HEADER **NewTable)
{
#ifndef ACPI_DSDT_OVERRIDE
*NewTable = NULL;
#else
if (strncmp(ExistingTable->Signature, "DSDT", 4) == 0)
*NewTable = (ACPI_TABLE_HEADER *)AmlCode;
else
*NewTable = NULL;
#endif
return AE_OK;
}
ACPI_STATUS
AcpiOsPredefinedOverride(const ACPI_PREDEFINED_NAMES *InitVal,
ACPI_STRING *NewVal)
{
if (!InitVal || !NewVal)
return AE_BAD_PARAMETER;
*NewVal = NULL;
return AE_OK;
}
/*
* AcpiOsPhysicalTableOverride:
*
* ExistingTable - Header of current table (probably firmware)
* NewAddress - Where new table address is returned
* (Physical address)
* NewTableLength - Where new table length is returned
*
* RETURN: Status, address/length of new table. Null pointer returned
* if no table is available to override.
*
* DESCRIPTION: Returns AE_SUPPORT, function not used in user space.
*/
ACPI_STATUS
AcpiOsPhysicalTableOverride (
ACPI_TABLE_HEADER *ExistingTable,
ACPI_PHYSICAL_ADDRESS *NewAddress,
UINT32 *NewTableLength)
{
return AE_SUPPORT;
}
/******************************************************************************
*
* FUNCTION: AcpiOsEnterSleep
*
* PARAMETERS: SleepState - Which sleep state to enter
* RegaValue - Register A value
* RegbValue - Register B value
*
* RETURN: Status
*
* DESCRIPTION: A hook before writing sleep registers to enter the sleep
* state. Return AE_CTRL_TERMINATE to skip further sleep register
* writes.
*
*****************************************************************************/
ACPI_STATUS
AcpiOsEnterSleep (
UINT8 SleepState,
UINT32 RegaValue,
UINT32 RegbValue)
{
return AE_OK;
}
/*
* acpi_osd_debugger:
*
* Enter the ACPICA debugger.
*/
void
acpi_osd_debugger(void)
{
#ifdef ACPI_DEBUG
label_t acpi_jmpbuf;
label_t *savejmp;
printf("Entering ACPICA debugger...\n");
savejmp = db_recover;
setjmp(&acpi_jmpbuf);
db_recover = &acpi_jmpbuf;
acpi_indebugger = 1;
AcpiDbUserCommands();
acpi_indebugger = 0;
db_recover = savejmp;
#else
printf("ACPI: WARNING: ACPICA debugger not present.\n");
#endif
}
#ifdef ACPI_DEBUG
#define _COMPONENT ACPI_CA_DEBUGGER
ACPI_MODULE_NAME ("osnetbsdbg")
/******************************************************************************
*
* FUNCTION: AcpiOsWaitCommandReady
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Negotiate with the debugger foreground thread (the user
* thread) to wait the readiness of a command.
*
*****************************************************************************/
ACPI_STATUS
AcpiOsWaitCommandReady (
void)
{
ACPI_STATUS Status;
/* Force output to console until a command is entered */
AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
/* Different prompt if method is executing */
if (!AcpiGbl_MethodExecuting)
{
AcpiOsPrintf ("%1c ", ACPI_DEBUGGER_COMMAND_PROMPT);
}
else
{
AcpiOsPrintf ("%1c ", ACPI_DEBUGGER_EXECUTE_PROMPT);
}
/* Get the user input line */
Status = AcpiOsGetLine (AcpiGbl_DbLineBuf,
ACPI_DB_LINE_BUFFER_SIZE, NULL);
if (ACPI_FAILURE (Status) && Status != AE_CTRL_TERMINATE)
{
ACPI_EXCEPTION ((AE_INFO, Status,
"While parsing/handling command line"));
}
return (Status);
}
/******************************************************************************
*
* FUNCTION: AcpiOsNotifyCommandComplete
*
* PARAMETERS: void
*
* RETURN: Status
*
* DESCRIPTION: Negotiate with the debugger foreground thread (the user
* thread) to notify the completion of a command.
*
*****************************************************************************/
ACPI_STATUS
AcpiOsNotifyCommandComplete (
void)
{
return AE_OK;
}
/******************************************************************************
*
* FUNCTION: AcpiOsInitializeDebugger
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Initialize OSPM specific part of the debugger
*
*****************************************************************************/
ACPI_STATUS
AcpiOsInitializeDebugger (
void)
{
return AE_OK;
}
/******************************************************************************
*
* FUNCTION: AcpiOsTerminateDebugger
*
* PARAMETERS: None
*
* RETURN: None
*
* DESCRIPTION: Terminate signals used by the multi-threading debugger
*
*****************************************************************************/
void
AcpiOsTerminateDebugger (
void)
{
}
/******************************************************************************
*
* FUNCTION: AcpiRunDebugger
*
* PARAMETERS: BatchBuffer - Buffer containing commands running in
* the batch mode
*
* RETURN: None
*
* DESCRIPTION: Run a local/remote debugger
*
*****************************************************************************/
void
AcpiRunDebugger (
char *BatchBuffer)
{
AcpiDbUserCommands ();
}
ACPI_EXPORT_SYMBOL (AcpiRunDebugger)
#endif