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ngspice/src/spicelib/devices/dev.c

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/* NG-SPICE -- An electrical circuit simulator
*
* Copyright (c) 1990 University of California
* Copyright (c) 2000 Arno W. Peters
*
* Permission to use, copy, modify, and distribute this software and
* its documentation without fee, and without a written agreement is
* hereby granted, provided that the above copyright notice, this
* paragraph and the following three paragraphs appear in all copies.
*
* This software program and documentation are copyrighted by their
* authors. The software program and documentation are supplied "as
* is", without any accompanying services from the authors. The
* authors do not warrant that the operation of the program will be
* uninterrupted or error-free. The end-user understands that the
* program was developed for research purposes and is advised not to
* rely exclusively on the program for any reason.
*
* IN NO EVENT SHALL THE AUTHORS BE LIABLE TO ANY PARTY FOR DIRECT,
* INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING
* LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS
* DOCUMENTATION, EVEN IF THE AUTHORS HAVE BEEN ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE. THE AUTHORS SPECIFICALLY DISCLAIMS ANY
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
* SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE AUTHORS
* HAVE NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
* ENHANCEMENTS, OR MODIFICATIONS. */
#include "ngspice/ngspice.h"
#include "assert.h"
#include "ngspice/devdefs.h"
#include "ngspice/ifsim.h"
#include "dev.h"
#include "ngspice/memory.h" /* to alloc, realloc devices*/
#ifdef XSPICE
/*saj headers for xspice*/
#include <string.h> /* for strcpy, strcat*/
#if (!defined HAS_WINGUI) && (!defined __MINGW32__) && (!defined _MSC_VER)
#include <dlfcn.h> /* to load libraries*/
typedef void * funptr_t;
#define FREE_DLERR_MSG(msg)
#else /* ifdef HAS_WINGUI */
#include <windows.h>
#include <shlwapi.h>
#include <libloaderapi.h>
typedef FARPROC funptr_t;
void *dlopen(const char *, int);
funptr_t dlsym(void *, const char *);
char *dlerror(void);
#define FREE_DLERR_MSG(msg) free_dlerr_msg(msg)
static void free_dlerr_msg(char *msg);
#define RTLD_LAZY 1 /* lazy function call binding */
#define RTLD_NOW 2 /* immediate function call binding */
#define RTLD_GLOBAL 4 /* symbols in this dlopen'ed obj are visible to other
* dlopen'ed objs */
#endif /* ifndef HAS_WINGUI */
#include "ngspice/dllitf.h" /* the coreInfo Structure*/
#include "ngspice/evtudn.h" /*Use defined nodes */
Evt_Udn_Info_t **g_evt_udn_info = NULL;
int g_evt_num_udn_types = 0;
/*The digital node type */
extern Evt_Udn_Info_t idn_digital_info;
int add_device(int n, SPICEdev **devs, int flag);
int add_udn(int,Evt_Udn_Info_t **);
extern struct coreInfo_t coreInfo; /* cmexport.c */
#endif
#include "asrc/asrcitf.h"
#include "bjt/bjtitf.h"
#include "bsim1/bsim1itf.h"
#include "bsim2/bsim2itf.h"
#include "bsim3/bsim3itf.h"
#include "bsim3v0/bsim3v0itf.h"
#include "bsim3v1/bsim3v1itf.h"
#include "bsim3v32/bsim3v32itf.h"
#include "bsim4/bsim4itf.h"
#include "bsim4v5/bsim4v5itf.h"
#include "bsim4v6/bsim4v6itf.h"
#include "bsim4v7/bsim4v7itf.h"
#include "bsim3soi_pd/b3soipditf.h"
#include "bsim3soi_fd/b3soifditf.h"
#include "bsim3soi_dd/b3soidditf.h"
#include "bsimsoi/b4soiitf.h"
#include "cap/capitf.h"
#include "cccs/cccsitf.h"
#include "ccvs/ccvsitf.h"
#include "csw/cswitf.h"
#include "dio/dioitf.h"
#include "hfet1/hfetitf.h"
#include "hfet2/hfet2itf.h"
#include "hicum2/hicum2itf.h"
#include "hisim2/hsm2itf.h"
#include "hisimhv1/hsmhvitf.h"
#include "hisimhv2/hsmhv2itf.h"
#include "ind/inditf.h"
#include "isrc/isrcitf.h"
#include "jfet/jfetitf.h"
#include "jfet2/jfet2itf.h"
#include "ltra/ltraitf.h"
#include "mes/mesitf.h"
#include "mesa/mesaitf.h"
#include "mos1/mos1itf.h"
#include "mos2/mos2itf.h"
#include "mos3/mos3itf.h"
#include "mos6/mos6itf.h"
#include "mos9/mos9itf.h"
#include "cpl/cplitf.h"
#include "res/resitf.h"
#include "soi3/soi3itf.h"
#include "sw/switf.h"
#include "tra/traitf.h"
#include "txl/txlitf.h"
#include "urc/urcitf.h"
#include "vbic/vbicitf.h"
#include "vccs/vccsitf.h"
#include "vcvs/vcvsitf.h"
#include "vsrc/vsrcitf.h"
#include "vdmos/vdmositf.h"
#ifdef CIDER
/* Numerical devices (Cider integration) */
#include "nbjt/nbjtitf.h"
#include "nbjt2/nbjt2itf.h"
#include "numd/numditf.h"
#include "numd2/numd2itf.h"
#include "numos/numositf.h"
#endif
#ifdef NDEV
#include "ndev/ndevitf.h"
#endif
static SPICEdev *(*static_devices[])(void) = {
/* URC device MUST precede both resistors and capacitors */
get_urc_info,
get_asrc_info,
get_bjt_info,
get_bsim1_info,
get_bsim2_info,
get_bsim3_info,
get_bsim3v0_info,
get_bsim3v1_info,
get_bsim3v32_info,
get_b4soi_info,
get_bsim4_info,
get_bsim4v5_info,
get_bsim4v6_info,
get_bsim4v7_info,
get_b3soipd_info,
get_b3soifd_info,
get_b3soidd_info,
get_cap_info,
get_cccs_info,
get_ccvs_info,
get_cpl_info,
get_csw_info,
get_dio_info,
get_hfeta_info,
get_hfet2_info,
get_hicum_info,
get_hsm2_info,
get_hsmhv_info,
get_hsmhv2_info,
get_ind_info,
get_mut_info,
get_isrc_info,
get_jfet_info,
get_jfet2_info,
get_ltra_info,
get_mes_info,
get_mesa_info,
get_mos1_info,
get_mos2_info,
get_mos3_info,
get_mos6_info,
get_mos9_info,
get_res_info,
get_soi3_info,
get_sw_info,
get_tra_info,
get_txl_info,
get_vbic_info,
get_vccs_info,
get_vcvs_info,
get_vsrc_info,
get_vdmos_info,
#ifdef CIDER
get_nbjt_info,
get_nbjt2_info,
get_numd_info,
get_numd2_info,
get_numos_info,
#endif
#ifdef NDEV
get_ndev_info,
#endif
};
static int DEVNUM = NUMELEMS(static_devices);
/*Make this dynamic for later attempt to make all devices dynamic*/
SPICEdev **DEVices=NULL;
/*Flag to indicate what device type it is,
*0 = normal spice device
*1 = xspice device
*/
#ifdef XSPICE
int *DEVicesfl=NULL;
int DEVflag(int type){
if(type < DEVNUM && type >= 0)
return DEVicesfl[type];
else
return -1;
}
#endif
void
spice_destroy_devices(void)
{
#ifdef XSPICE
tfree(g_evt_udn_info);
tfree(DEVicesfl);
#endif
tfree(DEVices);
DEVNUM = 0;
}
void
spice_init_devices(void)
{
int i;
/* Safeguard against double initialization */
DEVNUM = NUMELEMS(static_devices);
#ifdef XSPICE
/* Initialize the structs and add digital node type */
g_evt_udn_info = TMALLOC(Evt_Udn_Info_t *, 1);
g_evt_num_udn_types = 1;
g_evt_udn_info[0] = &idn_digital_info;
DEVicesfl = TMALLOC(int, DEVNUM);
/* tmalloc should automatically zero the array! */
#endif
DEVices = TMALLOC(SPICEdev *, DEVNUM);
for (i = 0; i < DEVNUM; i++)
DEVices[i] = static_devices[i]();
}
int num_devices(void)
{
return DEVNUM;
}
IFdevice ** devices_ptr(void)
{
return (IFdevice **) DEVices;
}
SPICEdev ** devices(void)
{
return DEVices;
}
#ifdef DEVLIB
/*not yet usable*/
#define DEVICES_USED {"asrc", "bjt", "vbic", "bsim1", "bsim2", "bsim3", "bsim3v32", "bsim3v2", "bsim3v1", "bsim4", "bsim4v5", "bsim4v6", "bsim4v7", \
"bsim4soi", "bsim3soipd", "bsim3soifd", "bsim3soidd", "hisim2", "hisimhv1", "hisimhv2", \
"cap", "cccs", "ccvs", "csw", "dio", "hfet", "hfet2", "ind", "isrc", "jfet", "ltra", "mes", "mesa" ,"mos1", "mos2", "mos3", \
"mos6", "mos9", "res", "soi3", "sw", "tra", "urc", "vccs", "vcvs", "vsrc", "hicum2"}
int load_dev(char *name) {
char *msg;
char libname[50];
void *lib;
funptr_t fetch;
SPICEdev *device;
strcpy(libname, "lib");
strcat(libname,name);
strcat(libname,".so");
lib = dlopen(libname,RTLD_NOW);
if(!lib){
msg = dlerror();
printf("%s\n", msg);
return 1;
}
strcpy(libname, "get_");
strcat(libname,name);
strcat(libname,"_info");
fetch = dlsym(lib,libname);
if(!fetch){
msg = dlerror();
printf("%s\n", msg);
return 1;
}
device = ((SPICEdev * (*)(void)) fetch) ();
add_device(1,&device,0);
return 0;
}
void load_alldevs(void){
char *devs[] = DEVICES_USED;
int num = NUMELEMS(devs);
int i;
for(i=0; i< num;i++)
load_dev(devs[i]);
return;
}
#endif
#if defined(XSPICE) || defined(OSDI)
#include "ngspice/fteext.h" /* for ft_sim */
#include "ngspice/cktdefs.h" /* for DEVmaxnum */
static void relink(void) {
/*
* This replacement done by SDB on 6.11.2003
*
* ft_sim->numDevices = num_devices();
* DEVmaxnum = num_devices();
*/
ft_sim->numDevices = DEVNUM;
DEVmaxnum = DEVNUM;
ft_sim->devices = devices_ptr();
return;
}
#endif
/*-------------------- XSPICE additions below ----------------------*/
#ifdef XSPICE
#include "ngspice/cm.h"
#include "ngspice/cpextern.h"
#include "ngspice/mif.h"
int add_device(int n, SPICEdev **devs, int flag) {
int i;
int dnum = DEVNUM + n;
DEVices = TREALLOC(SPICEdev *, DEVices, dnum);
DEVicesfl = TREALLOC(int, DEVicesfl, dnum);
for(i = 0; i < n;i++){
#ifdef TRACE
printf("Added device: %s\n",devs[i]->DEVpublic.name);
#endif
DEVices[DEVNUM+i] = devs[i];
DEVices[DEVNUM+i]->DEVinstSize = &MIFiSize;
DEVices[DEVNUM+i]->DEVmodSize = &MIFmSize;
DEVicesfl[DEVNUM+i] = flag;
}
DEVNUM += n;
relink();
return 0;
}
int add_udn(int n,Evt_Udn_Info_t **udns){
int i;
int utypes = g_evt_num_udn_types + n;
g_evt_udn_info = TREALLOC(Evt_Udn_Info_t *, g_evt_udn_info, utypes);
for(i = 0; i < n;i++){
#ifdef TRACE
printf("Added udn: %s\n",udns[i]->name);
#endif
g_evt_udn_info[g_evt_num_udn_types+i] = udns[i];
}
g_evt_num_udn_types += n;
return 0;
}
int load_opus(const char *name)
{
void *lib = NULL;
char *msg;
int num;
SPICEdev **devs;
Evt_Udn_Info_t **udns;
funptr_t fetch;
lib = dlopen(name, RTLD_NOW);
// fprintf(stdout, "Lib %s has handle %p\n", name, lib);
if (!lib) {
msg = dlerror();
fprintf(stderr, "Error opening code model \"%s\"\n: %s\n", name, msg);
FREE_DLERR_MSG(msg);
return 1;
}
/* Get code models defined by the library */
if ((fetch = dlsym(lib, "CMdevNum")) != (funptr_t) NULL) {
num = *(*(int * (*)(void)) fetch)();
fetch = dlsym(lib, "CMdevs");
if (fetch != (funptr_t) NULL) {
devs = (*(SPICEdev ** (*)(void)) fetch)();
}
else {
msg = dlerror();
fprintf(stderr, "Error getting the list of devices: %s\n",
msg);
FREE_DLERR_MSG(msg);
return 1;
}
}
else {
msg = dlerror();
fprintf(stderr, "Error finding the number of devices: %s\n", msg);
FREE_DLERR_MSG(msg);
return 1;
}
add_device(num, devs, 1);
#ifdef TRACE
printf("Got %d devices.\n", num);
#endif
/* Get user-defined ndes defined by the library */
if ((fetch = dlsym(lib, "CMudnNum")) != (funptr_t) NULL) {
num = *(*(int * (*)(void)) fetch)();
fetch = dlsym(lib, "CMudns");
if (fetch != (funptr_t) NULL) {
udns = (*(Evt_Udn_Info_t ** (*)(void)) fetch)();
}
else {
msg = dlerror();
fprintf(stderr, "Error getting the list of user-defined types: %s\n",
msg);
FREE_DLERR_MSG(msg);
return 1;
}
}
else {
msg = dlerror();
fprintf(stderr, "Error finding the number of user-defined types: %s\n", msg);
FREE_DLERR_MSG(msg);
return 1;
}
add_udn(num, udns);
#ifdef TRACE
printf("Got %d udns.\n", num);
#endif
/* Give the code model access to facilities provided by ngspice. */
if ((fetch = dlsym(lib,"CMgetCoreItfPtr")) != (funptr_t) NULL) {
const struct coreInfo_t ** const core =
(const struct coreInfo_t **const)
(*(struct coreInfo_t ** (*)(void)) fetch)();
*core = &coreInfo;
}
else {
msg = dlerror();
fprintf(stderr, "Error getting interface pointer: %s\n", msg);
FREE_DLERR_MSG(msg);
return 1;
}
return 0;
} /* end of function load_opus */
#if defined(__MINGW32__) || defined(HAS_WINGUI) || defined(_MSC_VER)
/* For reporting error message if formatting fails */
static const char errstr_fmt[] =
"Unable to find message in dlerr(). System code = %lu";
static char errstr[sizeof errstr_fmt - 3 + 3 * sizeof(unsigned long)];
/* Emulations of POSIX dlopen(), dlsym(), and dlerror(). */
void *dlopen(const char *name, int type)
{
NG_IGNORE(type);
/* Replace / by \\ */
char* tmp, * tmpdel;
tmp = tmpdel = copy(name);
while (*tmp != '\0') {
if (*tmp == '/')
*tmp = '\\';
tmp++;
}
/* LoadLibrary returns some value even if lib is not available (maybe
due to relative path given) */
void* ret;
if (PathIsRelative(tmpdel)) {
/* Replace relative by absolute path */
char ngpath[512];
GetModuleFileName(NULL, ngpath, 512);
PathRemoveFileSpec(ngpath);
PathCombine(ngpath, ngpath, tmpdel);
if (PathFileExists(ngpath))
ret = LoadLibrary(ngpath);
else
ret = NULL;
}
else {
ret = LoadLibrary(tmpdel);
}
tfree(tmpdel);
return ret;
}
funptr_t dlsym(void *hDll, const char *funcname)
{
return GetProcAddress(hDll, funcname);
}
char *dlerror(void)
{
LPVOID lpMsgBuf;
DWORD rc = FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
GetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR) &lpMsgBuf,
0,
NULL
);
if (rc == 0) { /* FormatMessage failed */
(void) sprintf(errstr, errstr_fmt, (unsigned long) GetLastError());
return errstr;
}
return lpMsgBuf; /* Return the formatted message */
} /* end of function dlerror */
/* Free message related to dynamic loading */
static void free_dlerr_msg(char *msg)
{
if (msg != errstr) { /* msg is an allocation */
LocalFree(msg);
}
} /* end of function free_dlerr_msg */
#endif /* Windows emulation of dlopen, dlsym, and dlerr */
#endif
/*-------------------- end of XSPICE additions ----------------------*/
#ifdef OSDI
#include "ngspice/osdiitf.h"
static int osdi_add_device(int n, OsdiRegistryEntry *devs) {
int i;
int dnum = DEVNUM + n;
DEVices = TREALLOC(SPICEdev *, DEVices, dnum);
#ifdef XSPICE
DEVicesfl = TREALLOC(int, DEVicesfl, dnum);
#endif
for (i = 0; i < n; i++) {
#ifdef TRACE
printf("Added device: %s\n", devs[i]->DEVpublic.name);
#endif
DEVices[DEVNUM + i] = osdi_create_spicedev(&devs[i]);
}
DEVNUM += n;
relink();
return 0;
}
int load_osdi(const char *path) {
OsdiObjectFile file = load_object_file(path);
if (file.num_entries < 0) {
return file.num_entries;
}
osdi_add_device(file.num_entries, file.entrys);
return 0;
}
#endif
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