Source code of Windows XP (NT5)
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491 lines
14 KiB

/*** asl.c - Main module of the ASL assembler
*
* This program compiles the ASL language into AML (p-code).
*
* Copyright (c) 1996 Microsoft Corporation
* Author: Michael Tsang (MikeTs)
* Created 07/23/96
*
* MODIFICATION HISTORY
*/
#include "aslp.h"
/***EP main - main program
*
* ENTRY
* icArg - command line arguments count
* apszArg - command line arguments array
*
* EXIT-SUCCESS
* program terminates with return code ASLERR_NONE
* EXIT-FAILURE
* program terminates with negative error code
*/
int EXPORT main(int icArg, char **apszArg)
{
int rc = ASLERR_NONE;
ParseProgInfo(apszArg[0], &ProgInfo);
icArg--;
apszArg++;
if ((ParseSwitches(&icArg, &apszArg, ArgTypes, &ProgInfo) != ARGERR_NONE) ||
(gpszTabSig == NULL) && ((icArg != 1) || (gdwfASL & ASLF_CREAT_BIN)) ||
(gpszTabSig != NULL) && ((icArg != 0) || (gdwfASL & ASLF_UNASM)))
{
MSG(("invalid command line options"));
PrintUsage();
rc = ASLERR_INVALID_PARAM;
}
else
{
#ifdef __UNASM
PBYTE pbTable = NULL;
DWORD dwTableSig = 0;
PSZ psz;
#endif
OPENTRACE(gpszTraceFile);
PrintLogo();
if ((rc = InitNameSpace()) == ASLERR_NONE)
{
#ifdef __UNASM
if (gdwfASL & ASLF_DUMP_BIN)
{
if (((rc = ReadBinFile(*apszArg, &pbTable, &dwTableSig)) ==
ASLERR_NONE) &&
(gpszLSTFile == NULL))
{
strncpy(gszLSTName, (PSZ)&dwTableSig, sizeof(DWORD));
strcpy(&gszLSTName[sizeof(DWORD)], ".TXT");
gpszLSTFile = gszLSTName;
gdwfASL |= ASLF_DUMP_NONASL | ASLF_UNASM;
}
}
else if (gdwfASL & ASLF_UNASM)
{
gpszAMLFile = *apszArg;
if (gpszLSTFile == NULL)
{
strncpy(gszLSTName, gpszAMLFile, _MAX_FNAME - 1);
if ((psz = strchr(gszLSTName, '.')) != NULL)
{
*psz = '\0';
}
strcpy(&gszLSTName[strlen(gszLSTName)], ".ASL");
gpszLSTFile = gszLSTName;
gdwfASL |= ASLF_GENSRC;
}
}
else if (gpszTabSig != NULL)
{
gdwfASL |= ASLF_UNASM;
if (IsWinNT())
{
gdwfASL |= ASLF_NT;
}
_strupr(gpszTabSig);
if ((strcmp(gpszTabSig, "DSDT") != 0) &&
(strcmp(gpszTabSig, "SSDT") != 0) &&
(strcmp(gpszTabSig, "PSDT") != 0))
{
gdwfASL |= ASLF_DUMP_NONASL;
}
if (gpszLSTFile == NULL)
{
gpszLSTFile = gszLSTName;
if (gdwfASL & ASLF_DUMP_NONASL)
{
if (strcmp(gpszTabSig, "*") == 0)
{
strcpy(gszLSTName, "ACPI");
}
else
{
strcpy(gszLSTName, gpszTabSig);
}
strcpy(&gszLSTName[strlen(gszLSTName)], ".TXT");
}
else
{
strcpy(gszLSTName, gpszTabSig);
strcpy(&gszLSTName[strlen(gszLSTName)], ".ASL");
gdwfASL |= ASLF_GENSRC;
}
}
#ifndef WINNT
if (!(gdwfASL & ASLF_NT) && ((ghVxD = OpenVxD()) == NULL))
{
ERROR(("option is not available"));
rc = ASLERR_OPEN_VXD;
}
#endif
}
else
{
#endif
rc = ParseASLFile(*apszArg);
#ifdef __UNASM
}
#endif
}
if (rc == ASLERR_NONE)
{
FILE *pfileOut;
if (!(gdwfASL & ASLF_DUMP_NONASL))
{
if (gpszAMLFile == NULL)
{
if (gpszTabSig == NULL)
{
ERROR(("%s has no DefinitionBlock", *apszArg));
}
else
{
strcpy(gszAMLName, gpszTabSig);
strcat(gszAMLName, ".AML");
}
}
if (gpszASMFile != NULL)
{
if ((pfileOut = fopen(gpszASMFile, "w")) == NULL)
{
ERROR(("failed to open ASM file - %s", gpszASMFile));
}
else
{
gdwfASL |= ASLF_GENASM;
UnAsmFile(gpszAMLFile? gpszAMLFile: gszAMLName,
pfileOut);
gdwfASL &= ~ASLF_GENASM;
fclose(pfileOut);
}
}
}
if (gpszLSTFile != NULL)
{
#ifdef __UNASM
if (gdwfASL & ASLF_CREAT_BIN)
{
rc = DumpTableBySig(NULL, *((PDWORD)gpszTabSig));
}
else if ((pfileOut = fopen(gpszLSTFile, "w")) == NULL)
{
ERROR(("failed to open LST file - %s", gpszLSTFile));
}
else
{
if (gdwfASL & ASLF_DUMP_BIN)
{
ASSERT(pbTable != NULL);
ASSERT(dwTableSig != 0);
rc = DumpTable(pfileOut, pbTable, 0, dwTableSig);
MEMFREE(pbTable);
}
else if (gdwfASL & ASLF_DUMP_NONASL)
{
DWORD dwAddr;
if (((dwAddr = strtoul(gpszTabSig, &psz, 16)) != 0) &&
(*psz == 0))
{
rc = DumpTableByAddr(pfileOut, dwAddr);
}
else
{
rc = DumpTableBySig(pfileOut, *((PDWORD)gpszTabSig));
}
}
else
{
rc = UnAsmFile(gpszAMLFile? gpszAMLFile: gszAMLName,
pfileOut);
}
fclose(pfileOut);
}
#else
if ((pfileOut = fopen(gpszLSTFile, "w")) != NULL)
{
rc = UnAsmFile(gpszAMLFile? gpszAMLFile: gszAMLName,
pfileOut);
fclose(pfileOut);
}
else
{
ERROR(("failed to open LST file - %s", gpszLSTFile));
}
#endif
}
if (gpszNSDFile != NULL)
{
if ((pfileOut = fopen(gpszNSDFile, "w")) == NULL)
{
ERROR(("failed to open NameSpace dump file - %s",
gpszNSDFile));
}
else
{
fprintf(pfileOut, "Name Space Objects:\n");
DumpNameSpacePaths(gpnsNameSpaceRoot, pfileOut);
fclose(pfileOut);
}
}
}
#ifdef __UNASM
#ifndef WINNT
if (ghVxD != NULL)
{
CloseVxD(ghVxD);
ghVxD = NULL;
}
#endif
#endif
CLOSETRACE();
}
return rc;
} //main
#ifdef __UNASM
/***LP ReadBinFile - Read table from binary file
*
* ENTRY
* pszFile -> binary file name
* ppb -> to hold the binary buffer pointer
* pdwTableSig -> to hold the table signature
*
* EXIT-SUCCESS
* returns ASLERR_NONE
* EXIT-FAILURE
* returns negative error code
*/
int LOCAL ReadBinFile(PSZ pszFile, PBYTE *ppb, PDWORD pdwTableSig)
{
int rc = ASLERR_NONE;
FILE *pfileBin;
DESCRIPTION_HEADER dh;
ENTER((1, "ReadBinFile(File=%s,ppb=%p,pdwTableSig=%p)\n",
pszFile, ppb, pdwTableSig));
if ((pfileBin = fopen(pszFile, "rb")) == NULL)
{
ERROR(("ReadBinFile: failed to open file %s", pszFile));
rc = ASLERR_OPEN_FILE;
}
else if (fread(&dh, 1, sizeof(dh), pfileBin) < 2*sizeof(DWORD))
{
ERROR(("ReadBinFile: failed to read file %s", pszFile));
rc = ASLERR_READ_FILE;
}
else if (fseek(pfileBin, 0, SEEK_SET) != 0)
{
ERROR(("ReadBinFile: failed to reset file %s", pszFile));
rc = ASLERR_SEEK_FILE;
}
else
{
DWORD dwLen = (dh.Signature == SIG_LOW_RSDP)? sizeof(RSDP): dh.Length;
if ((*ppb = MEMALLOC(dwLen)) == NULL)
{
ERROR(("ReadBinFile: failed to allocate table buffer for %s",
pszFile));
rc = ASLERR_OUT_OF_MEM;
}
else if (fread(*ppb, dwLen, 1, pfileBin) != 1)
{
MEMFREE(*ppb);
*ppb = NULL;
ERROR(("ReadBinFile: failed to read file %s", pszFile));
rc = ASLERR_READ_FILE;
}
else if (dh.Signature == SIG_LOW_RSDP)
{
*pdwTableSig = SIG_RSDP;
}
else
{
*pdwTableSig = dh.Signature;
}
}
if (pfileBin != NULL)
{
fclose(pfileBin);
}
EXIT((1, "ReadBinFile=%d (pbTable=%p,TableSig=%s)\n",
rc, *ppb, GetTableSigStr(*pdwTableSig)));
return rc;
} //ReadBinFile
#endif
/***LP InitNameSpace - Initialize NameSpace
*
* ENTRY
* None
*
* EXIT-SUCCESS
* returns ASLERR_NONE
* EXIT-FAILURE
* returns negative error code
*/
int LOCAL InitNameSpace(VOID)
{
int rc = ASLERR_NONE;
ENTER((1, "InitNameSpace()\n"));
if ((rc = CreateNameSpaceObj(NULL, "\\", NULL, NULL, NULL, NSF_EXIST_ERR))
== ASLERR_NONE)
{
static struct _defobj {
PSZ pszName;
ULONG dwObjType;
} DefinedRootObjs[] = {
"_GPE", OBJTYPE_UNKNOWN,
"_PR", OBJTYPE_UNKNOWN,
"_SB", OBJTYPE_UNKNOWN,
"_SI", OBJTYPE_UNKNOWN,
"_TZ", OBJTYPE_UNKNOWN,
"_REV", OBJTYPE_INTDATA,
"_OS", OBJTYPE_STRDATA,
"_GL", OBJTYPE_MUTEX,
NULL, 0
};
int i;
PNSOBJ pns;
gpnsCurrentScope = gpnsNameSpaceRoot;
for (i = 0; DefinedRootObjs[i].pszName != NULL; ++i)
{
if ((rc = CreateNameSpaceObj(NULL, DefinedRootObjs[i].pszName, NULL,
NULL, &pns, NSF_EXIST_ERR)) ==
ASLERR_NONE)
{
pns->ObjData.dwDataType = DefinedRootObjs[i].dwObjType;
}
else
{
break;
}
}
}
EXIT((1, "InitNameSpace=%d\n", rc));
return rc;
} //InitNameSpace
/***LP PrintLogo - Print logo message
*
* ENTRY
* None
*
* EXIT
* None
*/
VOID LOCAL PrintLogo(VOID)
{
if ((gdwfASL & ASLF_NOLOGO) == 0)
{
printf("%s Version %d.%d.%d%s [%s, %s]\n%s\n",
STR_PROGDESC, VERSION_MAJOR, VERSION_MINOR, VERSION_RELEASE,
#ifdef WINNT
"NT",
#else
"",
#endif
__DATE__, __TIME__, STR_COPYRIGHT);
printf("Compliant with ACPI 1.0 specification\n\n");
}
} //PrintLogo
/***LP PrintHelp - Print help messages
*
* ENTRY
* ppszArg -> pointer to argument (not used)
* pAT -> argument type structure (not used)
*
* EXIT
* program terminated with exit code 0
*/
int LOCAL PrintHelp(char **ppszArg, PARGTYPE pAT)
{
DEREF(ppszArg);
DEREF(pAT);
PrintLogo();
PrintUsage();
printf("\t? - Print this help message.\n");
printf("\tnologo - Supress logo banner.\n");
printf("\tFo=<AMLFile> - Override the AML file name in the DefinitionBlock.\n");
printf("\tFa=<ASMFile> - Generate .ASM file with the name <ASMFile>.\n");
printf("\tFl=<LSTFile> - Generate .LST file with the name <LSTFile>.\n");
printf("\tFn=<NSDFile> - Generate NameSpace Dump file with the name <NSDFile>.\n");
#ifdef __UNASM
printf("\td - Dump the binary file in text form.\n");
printf("\tu - Unassemble AML file to an .ASL file (default)\n"
"\t or a .LST file.\n");
printf("\ttab=<TabSig> - Unassemble ASL table to an .ASL file (default)\n"
"\t or a .LST file.\n");
printf("\t Dump non ASL table to an .TXT file.\n");
printf("\t If <TabSig> is '*', all tables are dump to ACPI.TXT.\n");
printf("\t <TabSig> can also be the physical address of the table.\n");
printf("\tc - Create binary files from tables.\n");
#endif
#ifdef TRACING
printf("\tt=<n> - Enable tracing at trace level n.\n");
printf("\tl=<LogFile> - Overriding the default trace log file name.\n");
#endif
exit(0);
return ASLERR_NONE;
} //PrintHelp
/***LP PrintUsage - Print program usage syntax
*
* ENTRY
* None
*
* EXIT
* None
*/
VOID LOCAL PrintUsage(VOID)
{
printf("Usage:\n%s /?\n", MODNAME);
#ifdef __UNASM
printf("%s [/nologo] /d <BinFile>\n", MODNAME);
printf("%s [/nologo] /u [/Fa=<ASMFile>] [/Fl=<LSTFile>] [/Fn=<NSDFile>] <AMLFile>\n",
MODNAME);
printf("%s [/nologo] /tab=<TabSig> [/c] [/Fa=<ASMfile>] [/Fl=<LSTFile>] [/Fn=<NSDFile>]\n",
MODNAME);
#endif
#ifdef TRACING
printf("%s [/nologo] [/Fo=<AMLFile>] [/Fa=<ASMFile>] [/Fl=<LSTFile>] [/Fn=<NSDFile>] [/t=<n>] [/l=<LogFile>] <ASLFile>\n",
MODNAME);
#else
printf("%s [/nologo] [/Fo=<AMLFile>] [/Fa=<ASMFile>] [/Fl=<LSTFile>] [/Fn=<NSDFile>] <ASLFile>\n",
MODNAME);
#endif
printf("\n");
} //PrintUsage