/******************************************************************************
*
* Module Name: dttemplate - ACPI table template generation
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2018, 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.
*/
#include "aslcompiler.h"
#include "acapps.h"
#include "dttemplate.h" /* Contains the hex ACPI table templates */
#define _COMPONENT DT_COMPILER
ACPI_MODULE_NAME ("dttemplate")
/* Local prototypes */
static BOOLEAN
AcpiUtIsSpecialTable (
char *Signature);
static ACPI_STATUS
DtCreateOneTemplateFile (
char *Signature,
UINT32 TableCount);
static ACPI_STATUS
DtCreateOneTemplate (
char *Signature,
UINT32 TableCount,
const ACPI_DMTABLE_DATA *TableData);
static ACPI_STATUS
DtCreateAllTemplates (
void);
static int
DtEmitDefinitionBlock (
FILE *File,
char *Filename,
char *Signature,
UINT32 Instance);
/*******************************************************************************
*
* FUNCTION: AcpiUtIsSpecialTable
*
* PARAMETERS: Signature - ACPI table signature
*
* RETURN: TRUE if signature is a special ACPI table
*
* DESCRIPTION: Check for valid ACPI tables that are not in the main ACPI
* table data structure (AcpiDmTableData).
*
******************************************************************************/
static BOOLEAN
AcpiUtIsSpecialTable (
char *Signature)
{
if (ACPI_COMPARE_NAME (Signature, ACPI_SIG_DSDT) ||
ACPI_COMPARE_NAME (Signature, ACPI_SIG_OSDT) ||
ACPI_COMPARE_NAME (Signature, ACPI_SIG_SSDT) ||
ACPI_COMPARE_NAME (Signature, ACPI_SIG_FACS) ||
ACPI_COMPARE_NAME (Signature, ACPI_RSDP_NAME))
{
return (TRUE);
}
return (FALSE);
}
/*******************************************************************************
*
* FUNCTION: DtCreateTemplates
*
* PARAMETERS: argv - Standard command line arguments
*
* RETURN: Status
*
* DESCRIPTION: Create one or more template files.
*
******************************************************************************/
ACPI_STATUS
DtCreateTemplates (
char **argv)
{
char *Signature;
char *End;
unsigned long TableCount;
ACPI_STATUS Status = AE_OK;
AslInitializeGlobals ();
Status = AdInitialize ();
if (ACPI_FAILURE (Status))
{
return (Status);
}
/*
* Special cases for DSDT, ALL, and '*'
*/
/* Default (no signature option) is DSDT */
if (AcpiGbl_Optind < 3)
{
Status = DtCreateOneTemplateFile (ACPI_SIG_DSDT, 0);
goto Exit;
}
AcpiGbl_Optind--;
Signature = argv[AcpiGbl_Optind];
AcpiUtStrupr (Signature);
/*
* Multiple SSDT support (-T <ssdt count>)
*/
TableCount = strtoul (Signature, &End, 0);
if (Signature != End)
{
/* The count is used for table ID and method name - max is 254(+1) */
if (TableCount > 254)
{
fprintf (stderr, "%u SSDTs requested, maximum is 254\n",
(unsigned int) TableCount);
Status = AE_LIMIT;
goto Exit;
}
Status = DtCreateOneTemplateFile (ACPI_SIG_DSDT, TableCount);
goto Exit;
}
if (!strcmp (Signature, "ALL"))
{
/* Create all available/known templates */
Status = DtCreateAllTemplates ();
goto Exit;
}
/*
* Normal case: Create template for each signature
*/
while (argv[AcpiGbl_Optind])
{
Signature = argv[AcpiGbl_Optind];
AcpiUtStrupr (Signature);
Status = DtCreateOneTemplateFile (Signature, 0);
if (ACPI_FAILURE (Status))
{
goto Exit;
}
AcpiGbl_Optind++;
}
Exit:
/* Shutdown ACPICA subsystem */
(void) AcpiTerminate ();
UtDeleteLocalCaches ();
return (Status);
}
/*******************************************************************************
*
* FUNCTION: DtCreateOneTemplateFile
*
* PARAMETERS: Signature - ACPI table signature
*
* RETURN: Status
*
* DESCRIPTION: Create one template file of the requested signature.
*
******************************************************************************/
static ACPI_STATUS
DtCreateOneTemplateFile (
char *Signature,
UINT32 TableCount)
{
const ACPI_DMTABLE_DATA *TableData;
ACPI_STATUS Status;
/*
* Validate signature and get the template data:
* 1) Signature must be 4 characters
* 2) Signature must be a recognized ACPI table
* 3) There must be a template associated with the signature
*/
if (strlen (Signature) != ACPI_NAME_SIZE)
{
fprintf (stderr,
"%s: Invalid ACPI table signature "
"(length must be 4 characters)\n", Signature);
return (AE_ERROR);
}
/*
* Some slack for the two strange tables whose name is different than
* their signatures: MADT->APIC and FADT->FACP.
*/
if (!strcmp (Signature, "MADT"))
{
Signature = "APIC";
}
else if (!strcmp (Signature, "FADT"))
{
Signature = "FACP";
}
/* TableData will point to the template */
TableData = AcpiDmGetTableData (Signature);
if (TableData)
{
if (!TableData->Template)
{
fprintf (stderr, "%4.4s: No template available\n", Signature);
return (AE_ERROR);
}
}
else if (!AcpiUtIsSpecialTable (Signature))
{
fprintf (stderr,
"%4.4s: Unrecognized ACPI table signature\n", Signature);
return (AE_ERROR);
}
Status = DtCreateOneTemplate (Signature, TableCount, TableData);
return (Status);
}
/*******************************************************************************
*
* FUNCTION: DtCreateAllTemplates
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Create all currently defined template files
*
******************************************************************************/
static ACPI_STATUS
DtCreateAllTemplates (
void)
{
const ACPI_DMTABLE_DATA *TableData;
ACPI_STATUS Status;
fprintf (stderr, "Creating all supported Template files\n");
/* Walk entire ACPI table data structure */
for (TableData = AcpiDmTableData; TableData->Signature; TableData++)
{
/* If table has a template, create the template file */
if (TableData->Template)
{
Status = DtCreateOneTemplate (TableData->Signature,
0, TableData);
if (ACPI_FAILURE (Status))
{
return (Status);
}
}
}
/*
* Create the special ACPI tables:
* 1) DSDT/SSDT are AML tables, not data tables
* 2) FACS and RSDP have non-standard headers
*/
Status = DtCreateOneTemplate (ACPI_SIG_DSDT, 0, NULL);
if (ACPI_FAILURE (Status))
{
return (Status);
}
Status = DtCreateOneTemplate (ACPI_SIG_SSDT, 0, NULL);
if (ACPI_FAILURE (Status))
{
return (Status);
}
Status = DtCreateOneTemplate (ACPI_SIG_OSDT, 0, NULL);
if (ACPI_FAILURE (Status))
{
return (Status);
}
Status = DtCreateOneTemplate (ACPI_SIG_FACS, 0, NULL);
if (ACPI_FAILURE (Status))
{
return (Status);
}
Status = DtCreateOneTemplate (ACPI_RSDP_NAME, 0, NULL);
if (ACPI_FAILURE (Status))
{
return (Status);
}
return (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: DtCreateOneTemplate
*
* PARAMETERS: Signature - ACPI signature, NULL terminated.
* TableCount - Used for SSDTs in same file as DSDT
* TableData - Entry in ACPI table data structure.
* NULL if a special ACPI table.
*
* RETURN: Status
*
* DESCRIPTION: Create one template source file for the requested ACPI table.
*
******************************************************************************/
static ACPI_STATUS
DtCreateOneTemplate (
char *Signature,
UINT32 TableCount,
const ACPI_DMTABLE_DATA *TableData)
{
char *DisasmFilename;
FILE *File;
ACPI_STATUS Status = AE_OK;
int Actual;
UINT32 i;
/* New file will have a .asl suffix */
DisasmFilename = FlGenerateFilename (
Signature, FILE_SUFFIX_ASL_CODE);
if (!DisasmFilename)
{
fprintf (stderr, "Could not generate output filename\n");
return (AE_ERROR);
}
AcpiUtStrlwr (DisasmFilename);
if (!UtQueryForOverwrite (DisasmFilename))
{
return (AE_ERROR);
}
File = fopen (DisasmFilename, "w+");
if (!File)
{
fprintf (stderr, "Could not open output file %s\n",
DisasmFilename);
return (AE_ERROR);
}
/* Emit the common file header */
AcpiOsRedirectOutput (File);
AcpiOsPrintf ("/*\n");
AcpiOsPrintf (ACPI_COMMON_HEADER ("iASL Compiler/Disassembler", " * "));
if (TableCount == 0)
{
AcpiOsPrintf (" * Template for [%4.4s] ACPI Table",
Signature);
}
else
{
AcpiOsPrintf (" * Template for [%4.4s] and %u [SSDT] ACPI Tables",
Signature, TableCount);
}
/* Dump the actual ACPI table */
if (TableData)
{
/* Normal case, tables that appear in AcpiDmTableData */
AcpiOsPrintf (" (static data table)\n");
if (Gbl_VerboseTemplates)
{
AcpiOsPrintf (" * Format: [HexOffset DecimalOffset ByteLength]"
" FieldName : HexFieldValue\n */\n\n");
}
else
{
AcpiOsPrintf (" * Format: [ByteLength]"
" FieldName : HexFieldValue\n */\n");
}
AcpiDmDumpDataTable (ACPI_CAST_PTR (ACPI_TABLE_HEADER,
TableData->Template));
}
else
{
/* Special ACPI tables - DSDT, SSDT, OSDT, FACS, RSDP */
AcpiOsPrintf (" (AML byte code table)\n");
AcpiOsPrintf (" */\n");
if (ACPI_COMPARE_NAME (Signature, ACPI_SIG_DSDT))
{
Actual = DtEmitDefinitionBlock (
File, DisasmFilename, ACPI_SIG_DSDT, 1);
if (Actual < 0)
{
Status = AE_ERROR;
goto Cleanup;
}
/* Emit any requested SSDTs into the same file */
for (i = 1; i <= TableCount; i++)
{
Actual = DtEmitDefinitionBlock (
File, DisasmFilename, ACPI_SIG_SSDT, i + 1);
if (Actual < 0)
{
Status = AE_ERROR;
goto Cleanup;
}
}
}
else if (ACPI_COMPARE_NAME (Signature, ACPI_SIG_SSDT))
{
Actual = DtEmitDefinitionBlock (
File, DisasmFilename, ACPI_SIG_SSDT, 1);
if (Actual < 0)
{
Status = AE_ERROR;
goto Cleanup;
}
}
else if (ACPI_COMPARE_NAME (Signature, ACPI_SIG_OSDT))
{
Actual = DtEmitDefinitionBlock (
File, DisasmFilename, ACPI_SIG_OSDT, 1);
if (Actual < 0)
{
Status = AE_ERROR;
goto Cleanup;
}
}
else if (ACPI_COMPARE_NAME (Signature, ACPI_SIG_FACS))
{
AcpiDmDumpDataTable (ACPI_CAST_PTR (ACPI_TABLE_HEADER,
TemplateFacs));
}
else if (ACPI_COMPARE_NAME (Signature, ACPI_RSDP_NAME))
{
AcpiDmDumpDataTable (ACPI_CAST_PTR (ACPI_TABLE_HEADER,
TemplateRsdp));
}
else
{
fprintf (stderr,
"%4.4s, Unrecognized ACPI table signature\n", Signature);
Status = AE_ERROR;
goto Cleanup;
}
}
if (TableCount == 0)
{
fprintf (stderr,
"Created ACPI table template for [%4.4s], "
"written to \"%s\"\n",
Signature, DisasmFilename);
}
else
{
fprintf (stderr,
"Created ACPI table templates for [%4.4s] "
"and %u [SSDT], written to \"%s\"\n",
Signature, TableCount, DisasmFilename);
}
Cleanup:
fclose (File);
AcpiOsRedirectOutput (stdout);
return (Status);
}
/*******************************************************************************
*
* FUNCTION: DtEmitDefinitionBlock
*
* PARAMETERS: File - An open file for the block
* Filename - Filename for same, for error msg(s)
* Signature - ACPI signature for the block
* Instance - Used for multiple SSDTs in the same file
*
* RETURN: Status from fprintf
*
* DESCRIPTION: Emit the raw ASL for a complete Definition Block (DSDT or SSDT)
*
* Note: The AMLFileName parameter for DefinitionBlock is left as a NULL
* string. This allows the compiler to create the output AML filename from
* the input filename.
*
******************************************************************************/
static int
DtEmitDefinitionBlock (
FILE *File,
char *Filename,
char *Signature,
UINT32 Instance)
{
int Status;
Status = fprintf (File,
"DefinitionBlock (\"\", \"%4.4s\", 2, \"Intel\", \"_%4.4s_%.2X\", 0x00000001)\n"
"{\n"
" Method (%2.2s%.2X)\n"
" {\n"
" }\n"
"}\n\n",
Signature, Signature, Instance, Signature, Instance);
if (Status < 0)
{
fprintf (stderr,
"Could not write %4.4s to output file %s\n",
Signature, Filename);
}
return (Status);
}