544 lines
15 KiB
C
544 lines
15 KiB
C
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/*** aslterms.c - Parse ASL terms
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*
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* Copyright (c) 1996,1997 Microsoft Corporation
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* Author: Michael Tsang (MikeTs)
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* Created: 10/10/96
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*
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* MODIFICATION HISTORY
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*/
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#include "pch.h"
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/***LP DefinitionBlock - Generate code for DefinitionBlock
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*
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* ENTRY
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* ptoken -> token stream
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* fActionFL - TRUE if this is a fixed list action
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*
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* EXIT-SUCCESS
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* returns ASLERR_NONE
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* EXIT-FAILURE
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* returns negative error code
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*/
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int LOCAL DefinitionBlock(PTOKEN ptoken, BOOL fActionFL)
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{
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int rc = ASLERR_NONE;
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PCODEOBJ pArgs;
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#define OFLAGS (_O_BINARY | _O_CREAT | _O_RDWR | _O_TRUNC)
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#define PMODE (_S_IREAD | _S_IWRITE)
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ENTER((1, "DefinitionBlock(ptoken=%p,fActionFL=%d)\n", ptoken, fActionFL));
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pArgs = (PCODEOBJ)gpcodeScope->pbDataBuff;
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if (fActionFL)
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{
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if (gpcodeScope->pcParent != NULL)
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{
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PrintTokenErr(ptoken, "Definition block cannot nest", TRUE);
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rc = ASLERR_NEST_DDB;
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}
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else if (strlen((PSZ)pArgs[1].pbDataBuff) != sizeof(ghdrDDB.Signature))
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{
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ERROR(("DefinitionBlock: DDB signature too long - %s",
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pArgs[1].pbDataBuff));
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rc = ASLERR_SYNTAX;
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}
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else if (strlen((PSZ)pArgs[3].pbDataBuff) > sizeof(ghdrDDB.OEMID))
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{
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ERROR(("DefinitionBlock: OEM ID too long - %s",
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pArgs[3].pbDataBuff));
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rc = ASLERR_SYNTAX;
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}
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else if (strlen((PSZ)pArgs[4].pbDataBuff) > sizeof(ghdrDDB.OEMTableID))
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{
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ERROR(("DefinitionBlock: OEM Table ID too long - %s",
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pArgs[4].pbDataBuff));
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rc = ASLERR_SYNTAX;
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}
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else
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{
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memset(&ghdrDDB, 0, sizeof(DESCRIPTION_HEADER));
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memcpy(&ghdrDDB.Signature, pArgs[1].pbDataBuff,
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sizeof(ghdrDDB.Signature));
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memcpy(&ghdrDDB.Revision, &pArgs[2].dwCodeValue,
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sizeof(ghdrDDB.Revision));
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memcpy(ghdrDDB.OEMID, pArgs[3].pbDataBuff,
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strlen((PSZ)pArgs[3].pbDataBuff));
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memcpy(ghdrDDB.OEMTableID, pArgs[4].pbDataBuff,
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strlen((PSZ)pArgs[4].pbDataBuff));
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memcpy(&ghdrDDB.OEMRevision, &pArgs[5].dwCodeValue,
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sizeof(ghdrDDB.OEMRevision));
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memcpy(ghdrDDB.CreatorID, STR_MS, sizeof(ghdrDDB.CreatorID));
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ghdrDDB.CreatorRev = VERSION_DWORD;
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}
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}
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else
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{
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int fhAML = 0;
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PBYTE pb;
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DWORD dwCodeOffset = sizeof(ghdrDDB);
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ASSERT(gpcodeScope->pcParent == NULL);
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ghdrDDB.Length = gpcodeRoot->dwCodeLen + sizeof(DESCRIPTION_HEADER);
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ghdrDDB.Checksum = (BYTE)(-(gpcodeRoot->bCodeChkSum +
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ComputeDataChkSum((PBYTE)&ghdrDDB,
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sizeof(DESCRIPTION_HEADER))));
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if ((gpnschkHead == NULL) ||
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((rc = ValidateNSChkList(gpnschkHead)) == ASLERR_NONE))
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{
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if (gpszAMLFile == NULL)
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{
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strncpy(gszAMLName, (PSZ)pArgs[0].pbDataBuff,
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_MAX_FNAME - 1);
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gpszAMLFile = gszAMLName;
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}
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if ((fhAML = _open(gpszAMLFile, OFLAGS, PMODE))== -1)
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{
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ERROR(("DefinitionBlock: failed to open AML file - %s",
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pArgs[0].pbDataBuff));
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rc = ASLERR_CREATE_FILE;
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}
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else if (_write(fhAML, &ghdrDDB, sizeof(ghdrDDB)) != sizeof(ghdrDDB))
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{
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ERROR(("DefinitionBlock: failed to write DDB header"));
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rc = ASLERR_WRITE_FILE;
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}
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else if ((rc = WriteAMLFile(fhAML, gpcodeRoot, &dwCodeOffset)) !=
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ASLERR_NONE)
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{
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ERROR(("DefinitionBlock: failed to write AML file"));
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}
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else if ((pb = MEMALLOC(ghdrDDB.Length)) != NULL)
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{
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if (_lseek(fhAML, 0, SEEK_SET) == -1)
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{
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ERROR(("DefinitionBlock: failed seeking to beginning of image file"));
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}
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else if (_read(fhAML, pb, ghdrDDB.Length) != (int)ghdrDDB.Length)
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{
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ERROR(("DefinitionBlock: failed to read back image file"));
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}
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else if (ComputeDataChkSum(pb, ghdrDDB.Length) != 0)
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{
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ERROR(("DefinitionBlock: failed to verify checksum of image file"));
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}
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MEMFREE(pb);
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}
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if (rc == ASLERR_NONE)
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{
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printf("%s(%s): Image Size=%ld, Image Checksum=0x%x\n\n",
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MODNAME, pArgs[0].pbDataBuff, ghdrDDB.Length, ghdrDDB.Checksum);
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}
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if (fhAML != 0)
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{
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_close(fhAML);
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}
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}
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FreeCodeObjs(gpcodeRoot);
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gpcodeRoot = NULL;
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}
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EXIT((1, "DefinitionBlock=%d\n", rc));
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return rc;
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} //DefinitionBlock
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/***LP Include - Include an ASL file
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*
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* ENTRY
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* ptoken -> token stream
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* fActionFL - TRUE if this is a fixed list action
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*
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* EXIT-SUCCESS
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* returns ASLERR_NONE
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* EXIT-FAILURE
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* returns negative error code
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*/
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int LOCAL Include(PTOKEN ptoken, BOOL fActionFL)
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{
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int rc;
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PCODEOBJ pArgs;
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ENTER((1, "Include(ptoken=%p,fActionFL=%d)\n", ptoken, fActionFL));
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DEREF(ptoken);
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DEREF(fActionFL);
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ASSERT(fActionFL == TRUE);
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pArgs = (PCODEOBJ)gpcodeScope->pbDataBuff;
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rc = ParseASLFile((PSZ)pArgs[0].pbDataBuff);
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EXIT((1, "Include=%d\n", rc));
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return rc;
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} //Include
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/***LP External - Declaring external object
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*
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* ENTRY
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* ptoken -> token stream
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* fActionFL - TRUE if this is a fixed list action
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*
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* EXIT-SUCCESS
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* returns ASLERR_NONE
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* EXIT-FAILURE
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* returns negative error code
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*/
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int LOCAL External(PTOKEN ptoken, BOOL fActionFL)
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{
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int rc = ASLERR_NONE;
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PCODEOBJ pArgs;
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ENTER((1, "External(ptoken=%p,fActionFL=%d)\n", ptoken, fActionFL));
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DEREF(ptoken);
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DEREF(fActionFL);
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ASSERT(fActionFL == TRUE);
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pArgs = (PCODEOBJ)gpcodeScope->pbDataBuff;
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EncodeKeywords(pArgs, 0x02, 1);
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gpcodeScope->pnsObj->ObjData.dwDataType = (USHORT) pArgs[1].dwCodeValue;
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if (!(pArgs[2].dwfCode & CF_MISSING_ARG))
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{
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gpcodeScope->pnsObj->ObjData.uipDataValue = pArgs[2].dwCodeValue;
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}
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EXIT((1, "External=%d\n", rc));
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return rc;
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} //External
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/***LP Method - Parse Method statement
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*
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* ENTRY
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* ptoken -> token stream
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* fActionFL - TRUE if this is a fixed list action
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*
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* EXIT-SUCCESS
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* returns ASLERR_NONE
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* EXIT-FAILURE
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* returns negative error code
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*/
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int LOCAL Method(PTOKEN ptoken, BOOL fActionFL)
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{
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int rc = ASLERR_NONE;
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PCODEOBJ pArgs;
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ENTER((1, "Method(ptoken=%p,fActionFL=%d)\n", ptoken, fActionFL));
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DEREF(fActionFL);
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ASSERT(fActionFL == TRUE);
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pArgs = (PCODEOBJ)gpcodeScope->pbDataBuff;
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if (pArgs[1].dwfCode & CF_MISSING_ARG)
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{
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pArgs[1].dwfCode &= ~CF_MISSING_ARG;
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SetIntObject(&pArgs[1], 0, sizeof(BYTE));
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}
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else if (pArgs[1].dwCodeValue > MAX_ARGS)
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{
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PrintTokenErr(ptoken, "Method has too many formal arguments", TRUE);
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rc = ASLERR_SYNTAX;
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}
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ASSERT(gpcodeScope->pnsObj != NULL);
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ASSERT(gpcodeScope->pnsObj->ObjData.dwDataType == OBJTYPE_METHOD);
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gpcodeScope->pnsObj->ObjData.uipDataValue = pArgs[1].dwCodeValue;
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if ((rc == ASLERR_NONE) &&
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((rc = SetDefMissingKW(&pArgs[2], ID_NOTSERIALIZED)) == ASLERR_NONE))
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{
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pArgs[1].dwCodeValue |= TermTable[pArgs[2].dwTermIndex].dwTermData &
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0xff;
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pArgs[1].bCodeChkSum = (BYTE)pArgs[1].dwCodeValue;
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}
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EXIT((1, "Method=%d\n", rc));
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return rc;
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} //Method
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/***LP Field - Parse Field statement
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*
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* ENTRY
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* ptoken -> token stream
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* fActionFL - TRUE if this is a fixed list action
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*
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* EXIT-SUCCESS
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* returns ASLERR_NONE
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* EXIT-FAILURE
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* returns negative error code
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*/
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int LOCAL Field(PTOKEN ptoken, BOOL fActionFL)
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{
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int rc = ASLERR_NONE;
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ENTER((1, "Field(ptoken=%p,fActionFL=%d)\n", ptoken, fActionFL));
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DEREF(ptoken);
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DEREF(fActionFL);
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ASSERT(fActionFL == TRUE);
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EncodeKeywords((PCODEOBJ)gpcodeScope->pbDataBuff, 0x0e, 1);
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gdwFieldAccSize =
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ACCSIZE(((PCODEOBJ)gpcodeScope->pbDataBuff)[1].dwCodeValue);
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EXIT((1, "Field=%d\n", rc));
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return rc;
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} //Field
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/***LP IndexField - Parse IndexField statement
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*
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* ENTRY
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* ptoken -> token stream
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* fActionFL - TRUE if this is a fixed list action
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*
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* EXIT-SUCCESS
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* returns ASLERR_NONE
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* EXIT-FAILURE
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* returns negative error code
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*/
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int LOCAL IndexField(PTOKEN ptoken, BOOL fActionFL)
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{
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int rc = ASLERR_NONE;
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ENTER((1, "IndexField(ptoken=%p,fActionFL=%d)\n", ptoken, fActionFL));
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DEREF(ptoken);
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DEREF(fActionFL);
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ASSERT(fActionFL == TRUE);
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EncodeKeywords((PCODEOBJ)gpcodeScope->pbDataBuff, 0x1c, 2);
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gdwFieldAccSize =
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ACCSIZE(((PCODEOBJ)gpcodeScope->pbDataBuff)[2].dwCodeValue);
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EXIT((1, "IndexField=%d\n", rc));
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return rc;
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} //IndexField
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/***LP BankField - Parse BankField statement
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*
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* ENTRY
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* ptoken -> token stream
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* fActionFL - TRUE if this is a fixed list action
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*
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* EXIT-SUCCESS
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* returns ASLERR_NONE
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* EXIT-FAILURE
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* returns negative error code
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*/
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int LOCAL BankField(PTOKEN ptoken, BOOL fActionFL)
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{
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int rc = ASLERR_NONE;
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ENTER((1, "BankField(ptoken=%p,fActionFL=%d)\n", ptoken, fActionFL));
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DEREF(ptoken);
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DEREF(fActionFL);
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ASSERT(fActionFL == TRUE);
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EncodeKeywords((PCODEOBJ)gpcodeScope->pbDataBuff, 0x38, 3);
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gdwFieldAccSize =
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ACCSIZE(((PCODEOBJ)gpcodeScope->pbDataBuff)[3].dwCodeValue);
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EXIT((1, "BankField=%d\n", rc));
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return rc;
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} //BankField
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/***LP OpRegion - Parse OperationRegion statement
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*
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* ENTRY
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* ptoken -> token stream
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* fActionFL - TRUE if this is a fixed list action
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*
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* EXIT-SUCCESS
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* returns ASLERR_NONE
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* EXIT-FAILURE
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* returns negative error code
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*/
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int LOCAL OpRegion(PTOKEN ptoken, BOOL fActionFL)
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{
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int rc = ASLERR_NONE;
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PCODEOBJ pArgs;
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ENTER((1, "OpRegion(ptoken=%p,fActionFL=%d)\n", ptoken, fActionFL));
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DEREF(ptoken);
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DEREF(fActionFL);
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ASSERT(fActionFL == TRUE);
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pArgs = (PCODEOBJ)gpcodeScope->pbDataBuff;
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||
|
|
EncodeKeywords(pArgs, 0x02, 1);
|
||
|
|
ASSERT(gpcodeScope->pnsObj != NULL);
|
||
|
|
ASSERT(gpcodeScope->pnsObj->ObjData.dwDataType == OBJTYPE_OPREGION);
|
||
|
|
gpcodeScope->pnsObj->ObjData.uipDataValue =
|
||
|
|
(pArgs[3].dwCodeType != CODETYPE_DATAOBJ)? 0xffffffff:
|
||
|
|
(pArgs[3].pbDataBuff[0] == OP_BYTE)? pArgs[3].pbDataBuff[1]:
|
||
|
|
(pArgs[3].pbDataBuff[0] == OP_WORD)? *(PWORD)(&pArgs[3].pbDataBuff[1]):
|
||
|
|
*(PDWORD)(&pArgs[3].pbDataBuff[1]);
|
||
|
|
|
||
|
|
EXIT((1, "OpRegion=%d\n", rc));
|
||
|
|
return rc;
|
||
|
|
} //OpRegion
|
||
|
|
|
||
|
|
/***LP EISAID - Parse EISAID statement
|
||
|
|
*
|
||
|
|
* ENTRY
|
||
|
|
* ptoken -> token stream
|
||
|
|
* fActionFL - TRUE if this is a fixed list action
|
||
|
|
*
|
||
|
|
* EXIT-SUCCESS
|
||
|
|
* returns ASLERR_NONE
|
||
|
|
* EXIT-FAILURE
|
||
|
|
* returns negative error code
|
||
|
|
*/
|
||
|
|
|
||
|
|
int LOCAL EISAID(PTOKEN ptoken, BOOL fActionFL)
|
||
|
|
{
|
||
|
|
int rc;
|
||
|
|
PCODEOBJ pArgs;
|
||
|
|
DWORD dwEISAID;
|
||
|
|
|
||
|
|
ENTER((1, "EISAID(ptoken=%p,fActionFL=%d)\n", ptoken, fActionFL));
|
||
|
|
|
||
|
|
DEREF(ptoken);
|
||
|
|
DEREF(fActionFL);
|
||
|
|
ASSERT(fActionFL == TRUE);
|
||
|
|
|
||
|
|
pArgs = (PCODEOBJ)gpcodeScope->pbDataBuff;
|
||
|
|
if ((rc = ComputeEISAID((PSZ)pArgs[0].pbDataBuff, &dwEISAID)) ==
|
||
|
|
ASLERR_NONE)
|
||
|
|
{
|
||
|
|
DWORD dwLen;
|
||
|
|
|
||
|
|
MEMFREE(pArgs[0].pbDataBuff);
|
||
|
|
pArgs[0].pbDataBuff = NULL;
|
||
|
|
dwLen = (dwEISAID & 0xffff0000)? sizeof(DWORD):
|
||
|
|
(dwEISAID & 0xffffff00)? sizeof(WORD): sizeof(BYTE);
|
||
|
|
SetIntObject(&pArgs[0], dwEISAID, dwLen);
|
||
|
|
pArgs[0].pcParent->dwCodeValue = (dwLen == sizeof(DWORD))? OP_DWORD:
|
||
|
|
(dwLen == sizeof(WORD))? OP_WORD:
|
||
|
|
OP_BYTE;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
ERROR(("EISAID: invalid EISAID - %s", pArgs[0].pbDataBuff));
|
||
|
|
}
|
||
|
|
|
||
|
|
EXIT((1, "EISAID=%d\n", rc));
|
||
|
|
return rc;
|
||
|
|
} //EISAID
|
||
|
|
|
||
|
|
/***LP Match - Parse Match statement
|
||
|
|
*
|
||
|
|
* ENTRY
|
||
|
|
* ptoken -> token stream
|
||
|
|
* fActionFL - TRUE if this is a fixed list action
|
||
|
|
*
|
||
|
|
* EXIT-SUCCESS
|
||
|
|
* returns ASLERR_NONE
|
||
|
|
* EXIT-FAILURE
|
||
|
|
* returns negative error code
|
||
|
|
*/
|
||
|
|
|
||
|
|
int LOCAL Match(PTOKEN ptoken, BOOL fActionFL)
|
||
|
|
{
|
||
|
|
int rc = ASLERR_NONE;
|
||
|
|
|
||
|
|
ENTER((1, "Match(ptoken=%p,fActionFL=%d)\n", ptoken, fActionFL));
|
||
|
|
|
||
|
|
DEREF(ptoken);
|
||
|
|
DEREF(fActionFL);
|
||
|
|
ASSERT(fActionFL == TRUE);
|
||
|
|
|
||
|
|
EncodeKeywords((PCODEOBJ)gpcodeScope->pbDataBuff, 0x02, 1);
|
||
|
|
EncodeKeywords((PCODEOBJ)gpcodeScope->pbDataBuff, 0x08, 3);
|
||
|
|
|
||
|
|
EXIT((1, "Match=%d\n", rc));
|
||
|
|
return rc;
|
||
|
|
} //Match
|
||
|
|
|
||
|
|
/***LP AccessAs - Parse AccessAs macro
|
||
|
|
*
|
||
|
|
* ENTRY
|
||
|
|
* ptoken -> token stream
|
||
|
|
* fActionFL - TRUE if this is a fixed list action
|
||
|
|
*
|
||
|
|
* EXIT-SUCCESS
|
||
|
|
* returns ASLERR_NONE
|
||
|
|
* EXIT-FAILURE
|
||
|
|
* returns negative error code
|
||
|
|
*/
|
||
|
|
|
||
|
|
int LOCAL AccessAs(PTOKEN ptoken, BOOL fActionFL)
|
||
|
|
{
|
||
|
|
int rc = ASLERR_NONE;
|
||
|
|
PCODEOBJ pArgs;
|
||
|
|
|
||
|
|
ENTER((1, "AccessAs(ptoken=%p,fActionFL=%d)\n", ptoken, fActionFL));
|
||
|
|
|
||
|
|
DEREF(fActionFL);
|
||
|
|
ASSERT(fActionFL == TRUE);
|
||
|
|
|
||
|
|
pArgs = (PCODEOBJ)gpcodeScope->pbDataBuff;
|
||
|
|
EncodeKeywords(pArgs, 0x01, 0);
|
||
|
|
if (pArgs[1].dwfCode & CF_MISSING_ARG)
|
||
|
|
{
|
||
|
|
pArgs[1].dwfCode &= ~CF_MISSING_ARG;
|
||
|
|
SetIntObject(&pArgs[1], 0, sizeof(BYTE));
|
||
|
|
}
|
||
|
|
else if (pArgs[1].dwCodeType == CODETYPE_KEYWORD) {
|
||
|
|
EncodeKeywords(pArgs, 0x02, 1);
|
||
|
|
}
|
||
|
|
else if ((pArgs[1].dwCodeType == CODETYPE_INTEGER) && pArgs[1].dwCodeValue > MAX_BYTE)
|
||
|
|
{
|
||
|
|
PrintTokenErr(ptoken, "Access Attribute can only be a byte value",
|
||
|
|
TRUE);
|
||
|
|
rc = ASLERR_SYNTAX;
|
||
|
|
}
|
||
|
|
|
||
|
|
EXIT((1, "AccessAs=%d\n", rc));
|
||
|
|
return rc;
|
||
|
|
} //AccessAs
|
||
|
|
|
||
|
|
/***LP Else - Parse Else statement
|
||
|
|
*
|
||
|
|
* ENTRY
|
||
|
|
* ptoken -> token stream
|
||
|
|
* fActionFL - TRUE if this is a fixed list action
|
||
|
|
*
|
||
|
|
* EXIT-SUCCESS
|
||
|
|
* returns ASLERR_NONE
|
||
|
|
* EXIT-FAILURE
|
||
|
|
* returns negative error code
|
||
|
|
*/
|
||
|
|
|
||
|
|
int LOCAL Else(PTOKEN ptoken, BOOL fActionFL)
|
||
|
|
{
|
||
|
|
int rc = ASLERR_NONE;
|
||
|
|
PCODEOBJ pcPrevSibling = (PCODEOBJ)gpcodeScope->list.plistPrev;
|
||
|
|
|
||
|
|
ENTER((1, "Else(ptoken=%p,fActionFL=%d)\n", ptoken, fActionFL));
|
||
|
|
|
||
|
|
DEREF(fActionFL);
|
||
|
|
ASSERT(fActionFL == TRUE);
|
||
|
|
|
||
|
|
if ((pcPrevSibling->dwCodeType != CODETYPE_ASLTERM) ||
|
||
|
|
(TermTable[pcPrevSibling->dwTermIndex].lID != ID_IF))
|
||
|
|
{
|
||
|
|
PrintTokenErr(ptoken, "Else statement has no matching If", TRUE);
|
||
|
|
rc = ASLERR_SYNTAX;
|
||
|
|
}
|
||
|
|
|
||
|
|
EXIT((1, "Else=%d\n", rc));
|
||
|
|
return rc;
|
||
|
|
} //Else
|