diff options
Diffstat (limited to 'tools/cpu/nios2/output.c')
| -rw-r--r-- | tools/cpu/nios2/output.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/tools/cpu/nios2/output.c b/tools/cpu/nios2/output.c new file mode 100644 index 0000000000..e957e430a7 --- /dev/null +++ b/tools/cpu/nios2/output.c @@ -0,0 +1,195 @@ +/* + * Copyright (c) 2006 Kolja Waschk rtemsdev/ixo.de + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.com/license/LICENSE. + * + * $Id$ + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "ptf.h" +#include "devices.h" +#include "output.h" + +typedef struct +{ + FILE *file; + device_desc *dev; + char *def_name; + char *orig_value; + clock_desc *clocks; + device_desc *devices; +} +out_desc; + +int is_not_connected(struct ptf_item *pi) +{ + if(pi->item[0] == NULL) return 0; + if(pi->item[0]->name == NULL) return 0; + + if(strcmp(pi->item[0]->name, "SLAVE") == 0) + { + struct ptf *t; + struct ptf_item ti; + t = ptf_find(pi->item[0]->sub, &ti, item, "N2G_Selected", "1"); + + if(t == NULL) return 1; + }; + + return 0; +} + +void fwrite_devhead_def(struct ptf_item *pi, void *arg) +{ + out_desc *dinfo = arg; + + if(pi != NULL) if(is_not_connected(pi)) return; + + fprintf(dinfo->file, "#define %s_%s %s\n", + dinfo->dev->cfgname, dinfo->def_name, dinfo->orig_value); +} + +void fwrite_devhead_line(struct ptf_item *pi, void *arg) +{ + out_desc *dinfo = arg; + + if(is_not_connected(pi)) return; + + if(strncmp(dinfo->orig_value, "N2G_", 4)==0) + { + if(strncmp(dinfo->orig_value, "N2G_CLOCKREF_", 13)==0) + { + clock_desc *c; + for(c = dinfo->clocks; c; c=c->next) + { + if(strcmp(c->name, pi->item[pi->level]->value) == 0) + { + fprintf(dinfo->file, "#define %s_%s %s\n", + dinfo->dev->cfgname, dinfo->orig_value + 13, c->cfgname); + break; + }; + }; + } + else if(strncmp(dinfo->orig_value, "N2G_DEVICEREF_", 14)==0) + { + device_desc *d; + for(d = dinfo->devices; d; d=d->next) + { + if(strcmp(d->ptf->value, pi->item[pi->level]->value) == 0) + { + fprintf(dinfo->file, "#define %s_%s %s\n", + dinfo->dev->cfgname, dinfo->orig_value + 14, d->cfgname); + break; + }; + }; + } + } + else + { + fprintf(dinfo->file, "#define %s_%s %s\n", + dinfo->dev->cfgname, dinfo->orig_value, + pi->item[pi->level]->value); + }; +} + +void fwrite_device_header(struct ptf_item *pi, void *arg) +{ + struct ptf *f; + struct ptf_item fi; + out_desc *dinfo = arg; + + /* This is called for every matching CLASS section in the + configuration. The following loop iterates through all + items in the CLASS section regardless of their nesting level */ + + f = ptf_find(pi->item[pi->level]->sub, &fi, item, 0, 0); + + while(f != NULL) + { + dinfo->orig_value = f->value; + if(f->name && strncmp(f->name, "N2G_DEFINE_", 11)==0) + { + dinfo->def_name = f->name + 11; + if(fi.level >= 2) + { + fi.level--; /* match only the enclosing section */ + ptf_match(dinfo->dev->ptf->sub, &fi, fwrite_devhead_def, dinfo); + fi.level++; + } + else + { + fwrite_devhead_def( 0, dinfo ); + }; + } + else + { + f->value = 0; /* Match ANY value */ + ptf_match(dinfo->dev->ptf->sub, &fi, fwrite_devhead_line, dinfo); + f->value = dinfo->orig_value; + }; + f = ptf_next(&fi, item, 0, 0); + }; +} + +void fwrite_value(struct ptf_item *pi, void *arg) +{ + FILE *file = arg; + fputs(pi->item[pi->level]->value, file); +} + +void fwrite_header_file( FILE *file, struct ptf *cfg, device_desc *devices, clock_desc *clocks) +{ + struct ptf *p; + struct ptf_item pi; + + struct ptf aclass = { section, "CLASS", 0, 0, 0 }; + struct ptf_item matchaclass = { 1, &aclass }; + + struct ptf header = { item, "HEADER", 0, 0, 0 }; + struct ptf_item matchheader = { 1, &header }; + + struct ptf epilog = { item, "EPILOG", 0, 0, 0 }; + struct ptf_item matchepilog = { 1, &epilog }; + + out_desc dinfo; + + dinfo.file = file; + dinfo.clocks = clocks; + dinfo.devices = devices; + + ptf_match(cfg, &matchheader, fwrite_value, file); + + if(clocks) + { + clock_desc *cs; + for(cs = clocks; cs; cs = cs->next) + { + fprintf(file, "#define %s_FREQ %luu\n", cs->cfgname, cs->freq); + }; + }; + + if(devices) + { + for(dinfo.dev = devices; dinfo.dev; dinfo.dev=dinfo.dev->next) + { + fprintf(file, "\n"); + + p = ptf_find(dinfo.dev->ptf, &pi, item, "class", 0); + if(p) + { + aclass.value = p->value; + ptf_match(cfg, &matchaclass, fwrite_device_header, &dinfo); + }; + }; + }; + + ptf_match(cfg, &matchepilog, fwrite_value, file); +} + + + |