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ngspice
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using ngspice adapter for loading simkit

This commit is contained in:
dwarning 2014-09-21 09:59:45 +02:00
parent f86fa0c15f
commit f49317d1cb
1 changed files with 14 additions and 34 deletions
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48
src/spicelib/devices/dev.c
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@ -37,19 +37,7 @@
#include "ngspice/memory.h" /* to alloc, realloc devices*/
#ifdef SIMKIT
#include "sk.h"
#include "simkit_models_loader.h"
#ifndef _WIN32
#include <sys/param.h> /* MAXPATHLEN */
#include <dlfcn.h> /* to load libraries */
#else /* _WIN32 */
#include <windows.h>
/* Dynamic library related functions differ between Windows and Unix */
#define dlopen(a, b) LoadLibrary(TEXT(a))
#define dlsym(a, b) GetProcAddress((a), TEXT(b))
#define dlclose(a) FreeLibrary(a)
#define dlerror() printf("dll not found\n")
#endif /* _WIN32 */
#include <dlfcn.h> /* to load libraries */
#endif
#ifdef XSPICE
@ -521,51 +509,43 @@ char *dlerror(void)
#endif
/*-------------------- end of XSPICE additions ----------------------*/
#ifdef SIMKIT
#define MAXPATHLEN 1024
int load_simkit(void){
const char *msg;
SK_MODELLIB_DESCRIPTOR *(*p_sk_load_models)(void) = NULL;
SK_MODELLIB_DESCRIPTOR *p_sk_modellib_descr = NULL;
void (*p_sk_unload_models)(void) = NULL;
void (*p_sk_ngspice_lib)(void) = NULL;
void *(*p_sk_init_models)(void) = NULL;
char library_path[MAXPATHLEN];
char library_name[MAXPATHLEN];
char *p_simkit_ld_libpath;
snprintf(library_name, MAXPATHLEN, "libsimkit_models_loader");
snprintf(library_name, MAXPATHLEN, "libsimkit_ngspice_1.0.so");
p_simkit_ld_libpath = getenv("SIMKIT_LD_LIBRARY_PATH");
if ( p_simkit_ld_libpath != NULL) {
snprintf(library_path, MAXPATHLEN,
"%s/%s.so",
"%s/%s",
p_simkit_ld_libpath,
library_name);
p_sk_ngspice_lib = dlopen(library_path, RTLD_LAZY | RTLD_GLOBAL);
} else {
/* If the full path is not specified, dlopen() will look via the
* LD_LIBRARY_PATH to find the shared lib */
snprintf(library_path, MAXPATHLEN,
"%s.so",
library_name);
/* If the full path is not specified, dlopen() will look via the
* LD_LIBRARY_PATH to find the shared lib */
p_sk_ngspice_lib = dlopen(library_name, RTLD_LAZY | RTLD_GLOBAL);
}
void *p_sk_loader_lib = dlopen(library_path, RTLD_LAZY | RTLD_GLOBAL);
if (p_sk_loader_lib != NULL)
if (p_sk_ngspice_lib != NULL)
{
p_sk_load_models = dlsym(p_sk_loader_lib, "SK_load_models");
p_sk_unload_models = dlsym(p_sk_loader_lib, "SK_unload_models");
p_sk_init_models = dlsym(p_sk_ngspice_lib, "init_models");
} else
{
msg = dlerror();
printf("%s\n", msg);
return 1;
}
if (p_sk_load_models != NULL)
{
p_sk_modellib_descr = p_sk_load_models();
}
p_sk_init_models();
return 0;
}