683 lines
17 KiB
C
683 lines
17 KiB
C
/*
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* Copyright (c) 2000 by Conectiva S.A. (http://www.conectiva.com)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* CONECTIVA LINUX BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Except as contained in this notice, the name of Conectiva Linux shall
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* not be used in advertising or otherwise to promote the sale, use or other
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* dealings in this Software without prior written authorization from
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* Conectiva Linux.
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*
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* Author: Paulo César Pereira de Andrade <pcpa@conectiva.com.br>
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*
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* $XFree86: xc/programs/Xserver/hw/xfree86/xf86cfg/loadmod.c,v 1.16 2003/03/12 16:40:28 tsi Exp $
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*/
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#ifdef USE_MODULES
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#include <setjmp.h>
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#ifndef HAS_GLIBC_SIGSETJMP
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#if defined(setjmp) && defined(__GNU_LIBRARY__) && \
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(!defined(__GLIBC__) || (__GLIBC__ < 2) || \
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((__GLIBC__ == 2) && (__GLIBC_MINOR__ < 3)))
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#define HAS_GLIBC_SIGSETJMP 1
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#endif
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#endif
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#define LOADER_PRIVATE
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#include "loader.h"
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#define True 1
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#define False 0
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#define XtPointer char*
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#define XtMalloc malloc
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#define XtCalloc calloc
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#define XtRealloc realloc
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#define XtFree free
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#define XtNew(t) malloc(sizeof(t))
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#define XtNewString(s) ((s) ? strdup(s) : NULL)
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#define pointer void*
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/* XXX beware (or fix it) libc functions called here are the xf86 ones */
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static void AddModuleOptions(char*, const OptionInfoRec*);
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#if 0
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void xf86AddDriver(DriverPtr, void*, int);
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Bool xf86ServerIsOnlyDetecting(void);
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void xf86AddInputDriver(InputDriverPtr, pointer, int);
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void xf86AddModuleInfo(ModuleInfoPtr, void*);
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Bool xf86LoaderCheckSymbol(const char*);
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void xf86LoaderRefSymLists(const char **, ...);
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void xf86LoaderReqSymLists(const char **, ...);
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void xf86Msg(int, const char*, ...);
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void xf86MsgVerb(int, int, const char*, ...);
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void xf86PrintChipsets(const char*, const char*, SymTabPtr);
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void xf86ErrorFVerb(int verb, const char *format, ...);
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pciVideoPtr *xf86GetPciVideoInfo(void);
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int xf86MatchDevice(const char*, GDevPtr**);
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int xf86MatchPciInstances(const char*, int, SymTabPtr, PciChipsets*, GDevPtr*, int, DriverPtr,int**);
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int xf86MatchIsaInstances(const char*, SymTabPtr, pointer*, DriverPtr, pointer, GDevPtr*, int, int**);
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void *xf86LoadDrvSubModule(DriverPtr drv, const char*);
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void xf86DrvMsg(int, int, const char*, ...);
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pciConfigPtr *xf86GetPciConfigInfo(void);
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Bool xf86IsPrimaryPci(pcVideoPtr*);
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Bool xf86CheckPciSlot(int bus, int device, int func);
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#endif
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extern char *loaderPath, **loaderList, **ploaderList;
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xf86cfgModuleOptions *module_options;
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FontModule *font_module;
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int numFontModules;
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extern int noverify, error_level;
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int xf86ShowUnresolved = 1;
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LOOKUP miLookupTab[] = {{0,0}};
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LOOKUP dixLookupTab[] = {{0,0}};
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LOOKUP fontLookupTab[] = {{0,0}};
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LOOKUP extLookupTab[] = {{0,0}};
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LOOKUP xfree86LookupTab[] = {
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/* Loader functions */
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SYMFUNC(LoaderDefaultFunc)
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SYMFUNC(LoadSubModule)
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SYMFUNC(DuplicateModule)
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SYMFUNC(LoaderErrorMsg)
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SYMFUNC(LoaderCheckUnresolved)
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SYMFUNC(LoadExtension)
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SYMFUNC(LoadFont)
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SYMFUNC(LoaderReqSymbols)
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SYMFUNC(LoaderReqSymLists)
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SYMFUNC(LoaderRefSymbols)
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SYMFUNC(LoaderRefSymLists)
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SYMFUNC(UnloadSubModule)
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SYMFUNC(LoaderSymbol)
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SYMFUNC(LoaderListDirs)
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SYMFUNC(LoaderFreeDirList)
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SYMFUNC(LoaderGetOS)
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/*
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* these here are our own interfaces to libc functions
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*/
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SYMFUNC(xf86abort)
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SYMFUNC(xf86abs)
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SYMFUNC(xf86acos)
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SYMFUNC(xf86asin)
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SYMFUNC(xf86atan)
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SYMFUNC(xf86atan2)
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SYMFUNC(xf86atof)
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SYMFUNC(xf86atoi)
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SYMFUNC(xf86atol)
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SYMFUNC(xf86bsearch)
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SYMFUNC(xf86ceil)
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SYMFUNC(xf86calloc)
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SYMFUNC(xf86clearerr)
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SYMFUNC(xf86close)
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SYMFUNC(xf86cos)
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SYMFUNC(xf86exit)
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SYMFUNC(xf86exp)
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SYMFUNC(xf86fabs)
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SYMFUNC(xf86fclose)
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SYMFUNC(xf86feof)
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SYMFUNC(xf86ferror)
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SYMFUNC(xf86fflush)
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SYMFUNC(xf86fgetc)
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SYMFUNC(xf86fgetpos)
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SYMFUNC(xf86fgets)
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SYMFUNC(xf86finite)
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SYMFUNC(xf86floor)
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SYMFUNC(xf86fmod)
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SYMFUNC(xf86fopen)
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SYMFUNC(xf86fprintf)
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SYMFUNC(xf86fputc)
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SYMFUNC(xf86fputs)
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SYMFUNC(xf86fread)
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SYMFUNC(xf86free)
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SYMFUNC(xf86freopen)
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SYMFUNC(xf86frexp)
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SYMFUNC(xf86fscanf)
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SYMFUNC(xf86fseek)
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SYMFUNC(xf86fsetpos)
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SYMFUNC(xf86ftell)
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SYMFUNC(xf86fwrite)
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SYMFUNC(xf86getc)
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SYMFUNC(xf86getenv)
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SYMFUNC(xf86getpagesize)
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SYMFUNC(xf86hypot)
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SYMFUNC(xf86ioctl)
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SYMFUNC(xf86isalnum)
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SYMFUNC(xf86isalpha)
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SYMFUNC(xf86iscntrl)
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SYMFUNC(xf86isdigit)
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SYMFUNC(xf86isgraph)
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SYMFUNC(xf86islower)
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SYMFUNC(xf86isprint)
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SYMFUNC(xf86ispunct)
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SYMFUNC(xf86isspace)
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SYMFUNC(xf86isupper)
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SYMFUNC(xf86isxdigit)
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SYMFUNC(xf86labs)
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SYMFUNC(xf86ldexp)
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SYMFUNC(xf86log)
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SYMFUNC(xf86log10)
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SYMFUNC(xf86lseek)
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SYMFUNC(xf86malloc)
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SYMFUNC(xf86memchr)
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SYMFUNC(xf86memcmp)
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SYMFUNC(xf86memcpy)
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#if (defined(__powerpc__) && (defined(Lynx) || defined(linux))) || defined(__sparc__) || defined(__ia64__) || defined (__amd64__)
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/*
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* Some PPC, SPARC, and IA64 compilers generate calls to memcpy to handle
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* structure copies. This causes a problem both here and in shared
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* libraries as there is no way to map the name of the call to the
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* correct function.
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*/
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SYMFUNC(memcpy)
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/*
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* Some PPC, SPARC, and IA64 compilers generate calls to memset to handle
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* aggregate initializations.
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*/
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SYMFUNC(memset)
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#endif
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SYMFUNC(xf86memmove)
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SYMFUNC(xf86memset)
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SYMFUNC(xf86mmap)
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SYMFUNC(xf86modf)
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SYMFUNC(xf86munmap)
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SYMFUNC(xf86open)
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SYMFUNC(xf86perror)
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SYMFUNC(xf86pow)
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SYMFUNC(xf86printf)
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SYMFUNC(xf86qsort)
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SYMFUNC(xf86read)
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SYMFUNC(xf86realloc)
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SYMFUNC(xf86remove)
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SYMFUNC(xf86rename)
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SYMFUNC(xf86rewind)
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SYMFUNC(xf86setbuf)
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SYMFUNC(xf86setvbuf)
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SYMFUNC(xf86sin)
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SYMFUNC(xf86snprintf)
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SYMFUNC(xf86sprintf)
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SYMFUNC(xf86sqrt)
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SYMFUNC(xf86sscanf)
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SYMFUNC(xf86strcat)
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SYMFUNC(xf86strcmp)
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SYMFUNC(xf86strcasecmp)
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SYMFUNC(xf86strcpy)
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SYMFUNC(xf86strcspn)
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SYMFUNC(xf86strerror)
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SYMFUNC(xf86strlen)
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SYMFUNC(xf86strncmp)
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SYMFUNC(xf86strncasecmp)
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SYMFUNC(xf86strncpy)
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SYMFUNC(xf86strpbrk)
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SYMFUNC(xf86strchr)
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SYMFUNC(xf86strrchr)
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SYMFUNC(xf86strspn)
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SYMFUNC(xf86strstr)
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SYMFUNC(xf86strtod)
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SYMFUNC(xf86strtok)
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SYMFUNC(xf86strtol)
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SYMFUNC(xf86strtoul)
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SYMFUNC(xf86tan)
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SYMFUNC(xf86tmpfile)
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SYMFUNC(xf86tolower)
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SYMFUNC(xf86toupper)
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SYMFUNC(xf86ungetc)
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SYMFUNC(xf86vfprintf)
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SYMFUNC(xf86vsnprintf)
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SYMFUNC(xf86vsprintf)
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SYMFUNC(xf86write)
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/* non-ANSI C functions */
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SYMFUNC(xf86opendir)
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SYMFUNC(xf86closedir)
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SYMFUNC(xf86readdir)
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SYMFUNC(xf86rewinddir)
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SYMFUNC(xf86ffs)
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SYMFUNC(xf86strdup)
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SYMFUNC(xf86bzero)
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SYMFUNC(xf86usleep)
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SYMFUNC(xf86execl)
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SYMFUNC(xf86getsecs)
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SYMFUNC(xf86fpossize) /* for returning sizeof(fpos_t) */
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SYMFUNC(xf86stat)
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SYMFUNC(xf86fstat)
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SYMFUNC(xf86access)
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SYMFUNC(xf86geteuid)
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SYMFUNC(xf86getegid)
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SYMFUNC(xf86getpid)
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SYMFUNC(xf86mknod)
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SYMFUNC(xf86chmod)
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SYMFUNC(xf86chown)
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SYMFUNC(xf86sleep)
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SYMFUNC(xf86mkdir)
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SYMFUNC(xf86shmget)
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SYMFUNC(xf86shmat)
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SYMFUNC(xf86shmdt)
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SYMFUNC(xf86shmctl)
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#ifdef HAS_GLIBC_SIGSETJMP
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SYMFUNC(xf86setjmp)
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SYMFUNC(xf86setjmp0)
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#if defined(__GLIBC__) && (__GLIBC__ >= 2)
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SYMFUNCALIAS("xf86setjmp1",__sigsetjmp)
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#else
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SYMFUNC(xf86setjmp1)
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#endif
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#else
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SYMFUNCALIAS("xf86setjmp",setjmp)
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SYMFUNCALIAS("xf86setjmp0",setjmp)
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SYMFUNC(xf86setjmp1)
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#endif
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SYMFUNCALIAS("xf86longjmp",longjmp)
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SYMFUNC(xf86getjmptype)
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SYMFUNC(xf86setjmp1_arg2)
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SYMFUNC(xf86setjmperror)
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SYMFUNC(xf86AddDriver)
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SYMFUNC(xf86ServerIsOnlyDetecting)
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SYMFUNC(xf86AddInputDriver)
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SYMFUNC(xf86AddModuleInfo)
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SYMFUNC(xf86LoaderCheckSymbol)
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SYMFUNC(xf86LoaderRefSymLists)
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SYMFUNC(xf86LoaderReqSymLists)
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SYMFUNC(xf86Msg)
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SYMFUNC(xf86MsgVerb)
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SYMFUNC(ErrorF)
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SYMFUNC(xf86PrintChipsets)
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SYMFUNC(xf86ErrorFVerb)
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SYMFUNC(xf86GetPciVideoInfo)
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SYMFUNC(xf86MatchDevice)
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SYMFUNC(xf86MatchPciInstances)
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SYMFUNC(xf86MatchIsaInstances)
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SYMFUNC(Xfree)
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SYMFUNC(xf86LoadDrvSubModule)
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SYMFUNC(xf86DrvMsg)
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SYMFUNC(xf86GetPciConfigInfo)
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SYMFUNC(xf86IsPrimaryPci)
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SYMFUNC(xf86CheckPciSlot)
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SYMFUNC(XNFalloc)
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SYMFUNC(XNFrealloc)
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SYMFUNC(XNFcalloc)
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{0,0}
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};
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static DriverPtr driver;
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static ModuleInfoPtr info;
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static SymTabPtr chips;
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static int vendor;
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ModuleType module_type = GenericModule;
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static void
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AddModuleOptions(char *name, const OptionInfoRec *option)
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{
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xf86cfgModuleOptions *ptr;
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const OptionInfoRec *tmp;
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SymTabPtr ctmp;
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int count;
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/* XXX If the module is already in the list, then it means that
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* it is now being properly loaded by xf86cfg and the "fake" entry
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* added in xf86cfgLoaderInitList() isn't required anymore.
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* Currently:
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* ati and vmware are known to fail. */
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for (ptr = module_options; ptr; ptr = ptr->next)
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if (strcmp(name, ptr->name) == 0) {
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fprintf(stderr, "Module %s already in list!\n", name);
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return;
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}
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ptr = XtNew(xf86cfgModuleOptions);
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ptr->name = XtNewString(name);
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ptr->type = module_type;
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if (option) {
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for (count = 0, tmp = option; tmp->name != NULL; tmp++, count++)
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;
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++count;
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ptr->option = XtCalloc(1, count * sizeof(OptionInfoRec));
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for (count = 0, tmp = option; tmp->name != NULL; count++, tmp++) {
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memcpy(&ptr->option[count], tmp, sizeof(OptionInfoRec));
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ptr->option[count].name = XtNewString(tmp->name);
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if (tmp->type == OPTV_STRING || tmp->type == OPTV_ANYSTR)
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ptr->option[count].value.str = XtNewString(tmp->value.str);
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}
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}
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else
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ptr->option = NULL;
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if (vendor != -1 && chips) {
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ptr->vendor = vendor;
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for (count = 0, ctmp = chips; ctmp->name; ctmp++, count++)
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;
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++count;
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ptr->chipsets = XtCalloc(1, count * sizeof(SymTabRec));
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for (count = 0, ctmp = chips; ctmp->name != NULL; count++, ctmp++) {
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memcpy(&ptr->chipsets[count], ctmp, sizeof(SymTabRec));
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ptr->chipsets[count].name = XtNewString(ctmp->name);
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}
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}
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else
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ptr->chipsets = NULL;
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ptr->next = module_options;
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module_options = ptr;
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}
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extern void xf86WrapperInit(void);
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void
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xf86cfgLoaderInit(void)
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{
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LoaderInit();
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xf86WrapperInit();
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}
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void
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xf86cfgLoaderInitList(int type)
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{
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static const char *generic[] = {
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".",
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NULL
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};
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static const char *video[] = {
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"drivers",
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NULL
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};
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static const char *input[] = {
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"input",
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NULL
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};
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static const char *font[] = {
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"fonts",
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NULL
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};
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const char **subdirs;
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switch (type) {
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case GenericModule:
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subdirs = generic;
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break;
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case VideoModule:
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subdirs = video;
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break;
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case InputModule:
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subdirs = input;
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break;
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case FontRendererModule:
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subdirs = font;
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break;
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default:
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fprintf(stderr, "Invalid value passed to xf86cfgLoaderInitList.\n");
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subdirs = generic;
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break;
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}
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LoaderSetPath(loaderPath);
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loaderList = LoaderListDirs(subdirs, NULL);
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/* XXX Xf86cfg isn't able to provide enough wrapper functions
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* to these drivers. Maybe the drivers could also be changed
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* to work better when being loaded "just for testing" */
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if (type == VideoModule) {
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module_type = VideoModule;
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AddModuleOptions("vmware", NULL);
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AddModuleOptions("ati", NULL);
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module_type = NullModule;
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}
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}
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void
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xf86cfgLoaderFreeList(void)
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{
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LoaderFreeDirList(loaderList);
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}
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int
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xf86cfgCheckModule(void)
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{
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int errmaj, errmin;
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ModuleDescPtr module;
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int nfonts;
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FontModule *fonts, *pfont_module;
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driver = NULL;
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chips = NULL;
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info = NULL;
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pfont_module = NULL;
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vendor = -1;
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module_type = GenericModule;
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if ((module = LoadModule(*ploaderList, NULL, NULL, NULL, NULL,
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NULL, &errmaj, &errmin)) == NULL) {
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LoaderErrorMsg(NULL, *ploaderList, errmaj, errmin);
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return (0);
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}
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else if (driver && driver->AvailableOptions) {
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/* at least fbdev does not call xf86MatchPciInstances in Probe */
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if (driver->Identify)
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(*driver->Identify)(-1);
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if (driver->Probe)
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(*driver->Probe)(driver, PROBE_DETECT);
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AddModuleOptions(*ploaderList, (*driver->AvailableOptions)(-1, -1));
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}
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else if (info && info->AvailableOptions)
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AddModuleOptions(*ploaderList, (*info->AvailableOptions)(NULL));
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if (!noverify) {
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XF86ModuleData *initdata = NULL;
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char *p;
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p = XtMalloc(strlen(*ploaderList) + strlen("ModuleData") + 1);
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strcpy(p, *ploaderList);
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strcat(p, "ModuleData");
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initdata = LoaderSymbol(p);
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if (initdata) {
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XF86ModuleVersionInfo *vers;
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|
|
|
vers = initdata->vers;
|
|
if (vers && strcmp(*ploaderList, vers->modname)) {
|
|
/* This was a problem at some time for some video drivers */
|
|
CheckMsg(CHECKER_FILE_MODULE_NAME_MISMATCH,
|
|
"WARNING file/module name mismatch: \"%s\" \"%s\"\n",
|
|
*ploaderList, vers->modname);
|
|
++error_level;
|
|
}
|
|
}
|
|
XtFree(p);
|
|
}
|
|
|
|
nfonts = numFontModules;
|
|
numFontModules = 0;
|
|
fonts = FontModuleList;
|
|
if (fonts) {
|
|
Bool dup = FALSE;
|
|
while (fonts->name) {
|
|
if (strcasecmp(fonts->name, *ploaderList) == 0) {
|
|
pfont_module = fonts;
|
|
/* HACK:
|
|
* fonts->names points into modules.
|
|
* Duplicate string of all remaining names to survive
|
|
* unloading. Since new fonts are appended to list
|
|
* this will only happen once per renderer.
|
|
*/
|
|
dup = TRUE;
|
|
}
|
|
if (dup)
|
|
fonts->name = strdup(fonts->name);
|
|
++numFontModules;
|
|
++fonts;
|
|
}
|
|
}
|
|
if (pfont_module)
|
|
module_type = FontRendererModule;
|
|
else if (nfonts + 1 <= numFontModules) {
|
|
/* loader.c will flag a warning if -noverify is not set */
|
|
pfont_module = &FontModuleList[nfonts];
|
|
module_type = FontRendererModule;
|
|
}
|
|
|
|
if (font_module) {
|
|
XtFree((XtPointer)font_module->name);
|
|
XtFree((XtPointer)font_module);
|
|
font_module = NULL;
|
|
}
|
|
if (pfont_module) {
|
|
font_module = XtNew(FontModule);
|
|
memcpy(font_module, pfont_module, sizeof(FontModule));
|
|
font_module->name = XtNewString(pfont_module->name);
|
|
}
|
|
|
|
UnloadModule(module);
|
|
|
|
return (1);
|
|
}
|
|
|
|
void
|
|
xf86AddDriver(DriverPtr drv, void *module, int flags)
|
|
{
|
|
driver = drv;
|
|
if (driver)
|
|
driver->module = module;
|
|
module_type = VideoModule;
|
|
}
|
|
|
|
Bool
|
|
xf86ServerIsOnlyDetecting(void)
|
|
{
|
|
return (True);
|
|
}
|
|
|
|
void
|
|
xf86AddInputDriver(InputDriverPtr inp, void *module, int flags)
|
|
{
|
|
module_type = InputModule;
|
|
}
|
|
|
|
void
|
|
xf86AddModuleInfo(ModuleInfoPtr inf, void *module)
|
|
{
|
|
info = inf;
|
|
}
|
|
|
|
Bool
|
|
xf86LoaderCheckSymbol(const char *symbol)
|
|
{
|
|
return LoaderSymbol(symbol) != NULL;
|
|
}
|
|
|
|
void
|
|
xf86LoaderRefSymLists(const char **list0, ...)
|
|
{
|
|
}
|
|
|
|
void
|
|
xf86LoaderReqSymLists(const char **list0, ...)
|
|
{
|
|
}
|
|
|
|
#if 0
|
|
void xf86Msg(int type, const char *format, ...)
|
|
{
|
|
}
|
|
#endif
|
|
|
|
/*ARGSUSED*/
|
|
void
|
|
xf86PrintChipsets(const char *name, const char *msg, SymTabPtr chipsets)
|
|
{
|
|
vendor = 0;
|
|
chips = chipsets;
|
|
}
|
|
|
|
pciVideoPtr *
|
|
xf86GetPciVideoInfo(void)
|
|
{
|
|
static pciVideoRec pci_video;
|
|
static pciVideoPtr pci_video_ptr[2] = { &pci_video };
|
|
|
|
memset(&pci_video, 0, sizeof(pciVideoRec));
|
|
|
|
return (pci_video_ptr);
|
|
}
|
|
|
|
int
|
|
xf86MatchDevice(const char *name, GDevPtr **gdev)
|
|
{
|
|
*gdev = NULL;
|
|
|
|
return (1);
|
|
}
|
|
|
|
int
|
|
xf86MatchPciInstances(const char *name, int VendorID, SymTabPtr chipsets, PciChipsets *PCIchipsets,
|
|
GDevPtr *devList, int numDevs, DriverPtr drvp, int **foundEntities)
|
|
{
|
|
vendor = VendorID;
|
|
if (chips == NULL)
|
|
chips = chipsets;
|
|
*foundEntities = NULL;
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
xf86MatchIsaInstances(const char *name, SymTabPtr chipsets, IsaChipsets *ISAchipsets, DriverPtr drvp,
|
|
FindIsaDevProc FindIsaDevice, GDevPtr *devList, int numDevs, int **foundEntities)
|
|
{
|
|
*foundEntities = NULL;
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
void *
|
|
xf86LoadDrvSubModule(DriverPtr drv, const char *name)
|
|
{
|
|
pointer ret;
|
|
int errmaj = 0, errmin = 0;
|
|
|
|
ret = LoadSubModule(drv->module, name, NULL, NULL, NULL, NULL,
|
|
&errmaj, &errmin);
|
|
if (!ret)
|
|
LoaderErrorMsg(NULL, name, errmaj, errmin);
|
|
return (ret);
|
|
}
|
|
|
|
pciConfigPtr *
|
|
xf86GetPciConfigInfo(void)
|
|
{
|
|
return (NULL);
|
|
}
|
|
|
|
Bool
|
|
xf86IsPrimaryPci(pciVideoPtr pPci)
|
|
{
|
|
return (True);
|
|
}
|
|
|
|
Bool
|
|
xf86CheckPciSlot(int bus, int device, int func)
|
|
{
|
|
return (False);
|
|
}
|
|
#endif
|