void
cexpFlashSymLoad(unsigned char bank)
{
unsigned char *flashctrl=(unsigned char*)0xffeffe50;
unsigned char *flash =(unsigned char*)0xfff80000;
int fd;
struct stat stbuf;
int len,i,written;
char tmpfname[30]={
'/','t','m','p','/','m','o','d','X','X','X','X','X','X',
0};
/* switch to desired bank */
*flashctrl=(1<<7)|bank;
if (stat("/tmp",&stbuf)) {
mode_t old = umask(0);
mkdir("/tmp",0777);
umask(old);
}
if ( (fd=mkstemp(tmpfname)) < 0) {
perror("creating scratch file");
goto cleanup;
}
len=*(unsigned long*)flash;
flash+=sizeof(unsigned long);
printf("Copying %i bytes\n",len);
for (i=written=0; i < len; i+=written ) {
written=write(fd,flash+i,len-i);
if (written<=0)
break;
}
close(fd);
if (written<0) {
perror("writing to tempfile\n");
} else {
printf("OK, ready to load\n");
cexpModuleLoad(tmpfname,0);
}
cleanup:
unlink(tmpfname);
}
int
cexp_main1(int argc, char **argv, void (*callback)(int argc, char **argv, CexpContext ctx))
{
CexpContextRec context; /* the public parts of this instance's context */
CexpContext myContext;
char *line=0, *prompt=0, *tmp;
char *symfile=0, *script=0;
int rval=CEXP_MAIN_INVAL_ARG, quiet=0;
MyGetOptCtxtRec oc={0}; /* must be initialized */
int opt;
#ifdef HAVE_TECLA
#define rl_context context.gl
#else
#define rl_context 0
#endif
char optstr[]={
'h',
'v',
's',':',
'a',':',
'p',':',
#ifdef YYDEBUG
'd',
#endif
'q',
'\0'
};
context.prompt = 0;
context.parser = 0;
while ((opt=mygetopt_r(argc, argv, optstr,&oc))>=0) {
switch (opt) {
default: fprintf(stderr,"Unknown Option %c\n",opt);
case 'h': usage(argv[0]);
case 'v': version(argv[0]);
return 0;
#ifdef YYDEBUG
case 'd': cexpdebug=1;
break;
#endif
case 'q': quiet=1;
break;
case 's': symfile=oc.optarg;
break;
case 'a': cexpBuiltinCpuArch = oc.optarg;
break;
case 'p': free(context.prompt); context.prompt = strdup(oc.optarg);
break;
}
}
if (argc>oc.optind)
script=argv[oc.optind];
/* make sure vital code is initialized */
{
static int initialized=0;
cexpContextRunOnce(&initialized, cexpInit);
}
if (!cexpSystemModule) {
if (!symfile) {
/* try to find a builtin table */
if ( !cexpModuleLoad(0,0) )
fprintf(stderr,"No builtin symbol table -- need a symbol file argument\n");
} else if (!cexpModuleLoad(symfile,"SYSTEM"))
fprintf(stderr,"Unable to load system symbol table\n");
if (!cexpSystemModule) {
usage(argv[0]);
return CEXP_MAIN_NO_SYMS;
}
}
#ifdef USE_MDBG
mdbgInit();
#endif
/* initialize the public context */
context.next=0;
#ifdef HAVE_BFD_DISASSEMBLER
{
extern void cexpDisassemblerInit();
cexpDisassemblerInit(&context.dinfo, stdout);
}
#endif
cexpContextGetCurrent(&myContext);
if (!myContext) {
/* topmost frame */
#ifdef HAVE_TECLA
context.gl = new_GetLine(200,2000);
if (!context.gl) {
fprintf(stderr,"Unable to create line editor\n");
return CEXP_MAIN_NO_MEM;
}
/* mute warnings about being unable to
* read ~/.teclarc
*/
gl_configure_getline(context.gl,0,0,0);
#endif
/* register first instance running in this thread's context; */
cexpContextRegister();
if (!quiet)
hello();
} else {
#ifdef HAVE_TECLA
/* re-use caller's line editor */
context.gl = myContext->gl;
#endif
}
/* push our frame to the top */
context.next = myContext;
myContext = &context;
cexpContextSetCurrent(myContext);
/* See if there is an ancestor with a local prompt
* and inherit
*/
if ( !context.prompt && context.next && context.next->prompt )
context.prompt = strdup(context.next->prompt);
do {
if (!(context.parser=cexpCreateParserCtx(quiet ? 0 : stdout))) {
fprintf(stderr,"Unable to create parser context\n");
usage(argv[0]);
rval = CEXP_MAIN_NO_MEM;
goto cleanup;
}
#ifdef HAVE_TECLA
{
CPL_MATCH_FN(cexpSymComplete);
gl_customize_completion(context.gl, context.parser, cexpSymComplete);
}
#endif
if (cexpSigHandlerInstaller)
cexpSigHandlerInstaller(sighandler);
if (!(rval=setjmp(context.jbuf))) {
/* call them back to pass the jmpbuf */
if (callback)
callback(argc, argv, &context);
if (script) {
if ( (rval = process_script(context.parser, script, quiet)) )
goto cleanup;
} else {
while ( (line=readline_r(
checkPrompt( &context, &prompt, argc > 0 ? argv[0] : "Cexp" ),
rl_context)) ) {
/* skip empty lines */
if (*line) {
if ( '<' == *(tmp=skipsp(line)) ) {
process_script(context.parser,tmp+1,quiet);
} else {
/* interactively process this line */
cexpResetParserCtx(context.parser,line);
cexpparse((void*)context.parser);
add_history(line);
}
}
free(line); line=0;
}
}
} else {
fprintf(stderr,"\nOops, exception caught\n");
/* setjmp passes 0: first time
* 1: longjmp(buf,0) or longjmp(buf,1)
* other: longjmp(buf,other)
*/
rval = (rval<2 ? -1 : CEXP_MAIN_KILLED);
}
cleanup:
script=0; /* become interactive if script is killed */
free(line); line=0;
free(prompt); prompt=0;
cexpFreeParserCtx(context.parser); context.parser=0;
} while (-1==rval);
free(context.prompt);
/* pop our stack context from the chained list anchored
* at the running thread
*/
myContext = myContext->next;
cexpContextSetCurrent(myContext);
if ( ! myContext ) {
/* we'll exit the topmost instance */
#ifdef HAVE_TECLA
del_GetLine(context.gl);
#endif
cexpContextUnregister();
}
return rval;
}
