diff options
Diffstat (limited to 'src/translate/grt/ghwlib.c')
| -rw-r--r-- | src/translate/grt/ghwlib.c | 1746 |
1 files changed, 0 insertions, 1746 deletions
diff --git a/src/translate/grt/ghwlib.c b/src/translate/grt/ghwlib.c deleted file mode 100644 index 2db63d9c9..000000000 --- a/src/translate/grt/ghwlib.c +++ /dev/null @@ -1,1746 +0,0 @@ -/* GHDL Wavefile reader library. - Copyright (C) 2005 Tristan Gingold - - GHDL is free software; you can redistribute it and/or modify it under - the terms of the GNU General Public License as published by the Free - Software Foundation; either version 2, or (at your option) any later - version. - - GHDL is distributed in the hope that it will be useful, but WITHOUT ANY - WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - for more details. - - You should have received a copy of the GNU General Public License - along with GCC; see the file COPYING. If not, write to the Free - Software Foundation, 59 Temple Place - Suite 330, Boston, MA - 02111-1307, USA. -*/ - -#include <stdio.h> -#include <string.h> -#include <stdlib.h> -#include <unistd.h> - -#include "ghwlib.h" - -int -ghw_open (struct ghw_handler *h, const char *filename) -{ - char hdr[16]; - - h->stream = fopen (filename, "rb"); - if (h->stream == NULL) - return -1; - - if (fread (hdr, sizeof (hdr), 1, h->stream) != 1) - return -1; - /* Check magic. */ - if (memcmp (hdr, "GHDLwave\n", 9) != 0) - return -2; - /* Check version. */ - if (hdr[9] != 16 - || hdr[10] != 0) - return -2; - h->version = hdr[11]; - if (h->version > 1) - return -3; - if (hdr[12] == 1) - h->word_be = 0; - else if (hdr[12] == 2) - h->word_be = 1; - else - return -4; -#if 0 - /* Endianness. */ - { - int endian; - union { unsigned char b[4]; uint32_t i;} v; - v.i = 0x11223344; - if (v.b[0] == 0x11) - endian = 2; - else if (v.b[0] == 0x44) - endian = 1; - else - return -3; - - if (hdr[12] != 1 && hdr[12] != 2) - return -3; - if (hdr[12] != endian) - h->swap_word = 1; - else - h->swap_word = 0; - } -#endif - h->word_len = hdr[13]; - h->off_len = hdr[14]; - - if (hdr[15] != 0) - return -5; - - h->hie = NULL; - return 0; -} - -int32_t -ghw_get_i32 (struct ghw_handler *h, unsigned char *b) -{ - if (h->word_be) - return (b[0] << 24) | (b[1] << 16) | (b[2] << 8) | (b[3] << 0); - else - return (b[3] << 24) | (b[2] << 16) | (b[1] << 8) | (b[0] << 0); -} - -int64_t -ghw_get_i64 (struct ghw_handler *ghw_h, unsigned char *b) -{ - int l, h; - - if (ghw_h->word_be) - { - h = (b[0] << 24) | (b[1] << 16) | (b[2] << 8) | (b[3] << 0); - l = (b[4] << 24) | (b[5] << 16) | (b[6] << 8) | (b[7] << 0); - } - else - { - l = (b[3] << 24) | (b[2] << 16) | (b[1] << 8) | (b[0] << 0); - h = (b[7] << 24) | (b[6] << 16) | (b[5] << 8) | (b[4] << 0); - } - return (((int64_t)h) << 32) | l; -} - -int -ghw_read_byte (struct ghw_handler *h, unsigned char *res) -{ - int v; - - v = fgetc (h->stream); - if (v == EOF) - return -1; - *res = v; - return 0; -} - -int -ghw_read_uleb128 (struct ghw_handler *h, uint32_t *res) -{ - unsigned int r = 0; - unsigned int off = 0; - - while (1) - { - int v = fgetc (h->stream); - if (v == EOF) - return -1; - r |= (v & 0x7f) << off; - if ((v & 0x80) == 0) - break; - off += 7; - } - *res = r; - return 0; -} - -int -ghw_read_sleb128 (struct ghw_handler *h, int32_t *res) -{ - int32_t r = 0; - unsigned int off = 0; - - while (1) - { - int v = fgetc (h->stream); - if (v == EOF) - return -1; - r |= ((int32_t)(v & 0x7f)) << off; - off += 7; - if ((v & 0x80) == 0) - { - if ((v & 0x40) && off < 32) - r |= -1 << off; - break; - } - } - *res = r; - return 0; -} - -int -ghw_read_lsleb128 (struct ghw_handler *h, int64_t *res) -{ - static const int64_t r_mask = -1; - int64_t r = 0; - unsigned int off = 0; - - while (1) - { - int v = fgetc (h->stream); - if (v == EOF) - return -1; - r |= ((int64_t)(v & 0x7f)) << off; - off += 7; - if ((v & 0x80) == 0) - { - if ((v & 0x40) && off < 64) - r |= r_mask << off; - break; - } - } - *res = r; - return 0; -} - -int -ghw_read_f64 (struct ghw_handler *h, double *res) -{ - /* FIXME: handle byte order. */ - if (fread (res, sizeof (*res), 1, h->stream) != 1) - return -1; - return 0; -} - -const char * -ghw_read_strid (struct ghw_handler *h) -{ - unsigned int id; - if (ghw_read_uleb128 (h, &id) != 0) - return NULL; - return h->str_table[id]; -} - -union ghw_type * -ghw_read_typeid (struct ghw_handler *h) -{ - unsigned int id; - if (ghw_read_uleb128 (h, &id) != 0) - return NULL; - return h->types[id - 1]; -} - -union ghw_range * -ghw_read_range (struct ghw_handler *h) -{ - int t = fgetc (h->stream); - if (t == EOF) - return NULL; - switch (t & 0x7f) - { - case ghdl_rtik_type_b2: - { - struct ghw_range_b2 *r; - r = malloc (sizeof (struct ghw_range_b2)); - r->kind = t & 0x7f; - r->dir = (t & 0x80) != 0; - if (ghw_read_byte (h, &r->left) != 0) - return NULL; - if (ghw_read_byte (h, &r->right) != 0) - return NULL; - return (union ghw_range *)r; - } - case ghdl_rtik_type_e8: - { - struct ghw_range_e8 *r; - r = malloc (sizeof (struct ghw_range_e8)); - r->kind = t & 0x7f; - r->dir = (t & 0x80) != 0; - if (ghw_read_byte (h, &r->left) != 0) - return NULL; - if (ghw_read_byte (h, &r->right) != 0) - return NULL; - return (union ghw_range *)r; - } - case ghdl_rtik_type_i32: - case ghdl_rtik_type_p32: - { - struct ghw_range_i32 *r; - r = malloc (sizeof (struct ghw_range_i32)); - r->kind = t & 0x7f; - r->dir = (t & 0x80) != 0; - if (ghw_read_sleb128 (h, &r->left) != 0) - return NULL; - if (ghw_read_sleb128 (h, &r->right) != 0) - return NULL; - return (union ghw_range *)r; - } - case ghdl_rtik_type_i64: - case ghdl_rtik_type_p64: - { - struct ghw_range_i64 *r; - r = malloc (sizeof (struct ghw_range_i64)); - r->kind = t & 0x7f; - r->dir = (t & 0x80) != 0; - if (ghw_read_lsleb128 (h, &r->left) != 0) - return NULL; - if (ghw_read_lsleb128 (h, &r->right) != 0) - return NULL; - return (union ghw_range *)r; - } - case ghdl_rtik_type_f64: - { - struct ghw_range_f64 *r; - r = malloc (sizeof (struct ghw_range_f64)); - r->kind = t & 0x7f; - r->dir = (t & 0x80) != 0; - if (ghw_read_f64 (h, &r->left) != 0) - return NULL; - if (ghw_read_f64 (h, &r->right) != 0) - return NULL; - return (union ghw_range *)r; - } - default: - fprintf (stderr, "ghw_read_range: type %d unhandled\n", t & 0x7f); - return NULL; - } -} - -int -ghw_read_str (struct ghw_handler *h) -{ - unsigned char hdr[12]; - int i; - char *p; - int prev_len; - - if (fread (hdr, sizeof (hdr), 1, h->stream) != 1) - return -1; - - if (hdr[0] != 0 || hdr[1] != 0 || hdr[2] != 0 || hdr[3] != 0) - return -1; - h->nbr_str = ghw_get_i32 (h, &hdr[4]); - h->nbr_str++; - h->str_size = ghw_get_i32 (h, &hdr[8]); - h->str_table = (char **)malloc ((h->nbr_str + 1) * sizeof (char *)); - h->str_content = (char *)malloc (h->str_size + h->nbr_str + 1); - - if (h->flag_verbose) - { - printf ("Number of strings: %d\n", h->nbr_str - 1); - printf ("String table size: %d\n", h->str_size); - } - - h->str_table[0] = "<anon>"; - p = h->str_content; - prev_len = 0; - for (i = 1; i < h->nbr_str; i++) - { - int j; - int c; - char *prev; - int sh; - - h->str_table[i] = p; - prev = h->str_table[i - 1]; - for (j = 0; j < prev_len; j++) - *p++ = prev[j]; - - while (1) - { - c = fgetc (h->stream); - if (c == EOF) - return -1; - if ((c >= 0 && c <= 31) - || (c >= 128 && c <= 159)) - break; - *p++ = c; - } - *p++ = 0; - - if (h->flag_verbose > 1) - printf (" string %d (pl=%d): %s\n", i, prev_len, h->str_table[i]); - - prev_len = c & 0x1f; - sh = 5; - while (c >= 128) - { - c = fgetc (h->stream); - if (c == EOF) - return -1; - prev_len |= (c & 0x1f) << sh; - sh += 5; - } - } - if (fread (hdr, 4, 1, h->stream) != 1) - return -1; - if (memcmp (hdr, "EOS", 4) != 0) - return -1; - return 0; -} - -union ghw_type * -ghw_get_base_type (union ghw_type *t) -{ - switch (t->kind) - { - case ghdl_rtik_type_b2: - case ghdl_rtik_type_e8: - case ghdl_rtik_type_e32: - case ghdl_rtik_type_i32: - case ghdl_rtik_type_i64: - case ghdl_rtik_type_f64: - case ghdl_rtik_type_p32: - case ghdl_rtik_type_p64: - return t; - case ghdl_rtik_subtype_scalar: - return t->ss.base; - case ghdl_rtik_subtype_array: - return (union ghw_type*)(t->sa.base); - default: - fprintf (stderr, "ghw_get_base_type: cannot handle type %d\n", t->kind); - abort (); - } -} - -int -get_nbr_elements (union ghw_type *t) -{ - switch (t->kind) - { - case ghdl_rtik_type_b2: - case ghdl_rtik_type_e8: - case ghdl_rtik_type_e32: - case ghdl_rtik_type_i32: - case ghdl_rtik_type_i64: - case ghdl_rtik_type_f64: - case ghdl_rtik_type_p32: - case ghdl_rtik_type_p64: - case ghdl_rtik_subtype_scalar: - return 1; - case ghdl_rtik_subtype_array: - case ghdl_rtik_subtype_array_ptr: - return t->sa.nbr_el; - case ghdl_rtik_type_record: - return t->rec.nbr_el; - default: - fprintf (stderr, "get_nbr_elements: unhandled type %d\n", t->kind); - abort (); - } -} - -int -get_range_length (union ghw_range *rng) -{ - switch (rng->kind) - { - case ghdl_rtik_type_i32: - if (rng->i32.dir) - return (rng->i32.left - rng->i32.right + 1); - else - return (rng->i32.right - rng->i32.left + 1); - default: - fprintf (stderr, "get_range_length: unhandled kind %d\n", rng->kind); - abort (); - } -} - -int -ghw_read_type (struct ghw_handler *h) -{ - unsigned char hdr[8]; - int i; - - if (fread (hdr, sizeof (hdr), 1, h->stream) != 1) - return -1; - - if (hdr[0] != 0 || hdr[1] != 0 || hdr[2] != 0 || hdr[3] != 0) - return -1; - h->nbr_types = ghw_get_i32 (h, &hdr[4]); - h->types = (union ghw_type **) - malloc (h->nbr_types * sizeof (union ghw_type *)); - - for (i = 0; i < h->nbr_types; i++) - { - int t; - - t = fgetc (h->stream); - if (t == EOF) - return -1; - /* printf ("type[%d]= %d\n", i, t); */ - switch (t) - { - case ghdl_rtik_type_b2: - case ghdl_rtik_type_e8: - { - struct ghw_type_enum *e; - int j; - - e = malloc (sizeof (struct ghw_type_enum)); - e->kind = t; - e->wkt = ghw_wkt_unknown; - e->name = ghw_read_strid (h); - if (ghw_read_uleb128 (h, &e->nbr) != 0) - return -1; - e->lits = (const char **) malloc (e->nbr * sizeof (char *)); - if (h->flag_verbose > 1) - printf ("enum %s:", e->name); - for (j = 0; j < e->nbr; j++) - { - e->lits[j] = ghw_read_strid (h); - if (h->flag_verbose > 1) - printf (" %s", e->lits[j]); - } - if (h->flag_verbose > 1) - printf ("\n"); - h->types[i] = (union ghw_type *)e; - } - break; - case ghdl_rtik_type_i32: - case ghdl_rtik_type_i64: - case ghdl_rtik_type_f64: - { - struct ghw_type_scalar *sc; - - sc = malloc (sizeof (struct ghw_type_scalar)); - sc->kind = t; - sc->name = ghw_read_strid (h); - if (h->flag_verbose > 1) - printf ("scalar: %s\n", sc->name); - h->types[i] = (union ghw_type *)sc; - } - break; - case ghdl_rtik_type_p32: - case ghdl_rtik_type_p64: - { - struct ghw_type_physical *ph; - - ph = malloc (sizeof (struct ghw_type_physical)); - ph->kind = t; - ph->name = ghw_read_strid (h); - if (h->version == 0) - ph->nbr_units = 0; - else - { - int i; - - if (ghw_read_uleb128 (h, &ph->nbr_units) != 0) - return -1; - ph->units = malloc (ph->nbr_units * sizeof (struct ghw_unit)); - for (i = 0; i < ph->nbr_units; i++) - { - ph->units[i].name = ghw_read_strid (h); - if (ghw_read_lsleb128 (h, &ph->units[i].val) < 0) - return -1; - } - } - if (h->flag_verbose > 1) - printf ("physical: %s\n", ph->name); - h->types[i] = (union ghw_type *)ph; - } - break; - case ghdl_rtik_subtype_scalar: - { - struct ghw_subtype_scalar *ss; - - ss = malloc (sizeof (struct ghw_subtype_scalar)); - ss->kind = t; - ss->name = ghw_read_strid (h); - ss->base = ghw_read_typeid (h); - ss->rng = ghw_read_range (h); - if (h->flag_verbose > 1) - printf ("subtype scalar: %s\n", ss->name); - h->types[i] = (union ghw_type *)ss; - } - break; - case ghdl_rtik_type_array: - { - struct ghw_type_array *arr; - int j; - - arr = malloc (sizeof (struct ghw_type_array)); - arr->kind = t; - arr->name = ghw_read_strid (h); - arr->el = ghw_read_typeid (h); - if (ghw_read_uleb128 (h, &arr->nbr_dim) != 0) - return -1; - arr->dims = (union ghw_type **) - malloc (arr->nbr_dim * sizeof (union ghw_type *)); - for (j = 0; j < arr->nbr_dim; j++) - arr->dims[j] = ghw_read_typeid (h); - if (h->flag_verbose > 1) - printf ("array: %s\n", arr->name); - h->types[i] = (union ghw_type *)arr; - } - break; - case ghdl_rtik_subtype_array: - case ghdl_rtik_subtype_array_ptr: - { - struct ghw_subtype_array *sa; - int j; - int nbr_el; - - sa = malloc (sizeof (struct ghw_subtype_array)); - sa->kind = t; - sa->name = ghw_read_strid (h); - sa->base = (struct ghw_type_array *)ghw_read_typeid (h); - nbr_el = get_nbr_elements (sa->base->el); - sa->rngs = malloc (sa->base->nbr_dim * sizeof (union ghw_range *)); - for (j = 0; j < sa->base->nbr_dim; j++) - { - sa->rngs[j] = ghw_read_range (h); - nbr_el *= get_range_length (sa->rngs[j]); - } - sa->nbr_el = nbr_el; - if (h->flag_verbose > 1) - printf ("subtype array: %s (nbr_el=%d)\n", sa->name, sa->nbr_el); - h->types[i] = (union ghw_type *)sa; - } - break; - case ghdl_rtik_type_record: - { - struct ghw_type_record *rec; - int j; - int nbr_el; - - rec = malloc (sizeof (struct ghw_type_record)); - rec->kind = t; - rec->name = ghw_read_strid (h); - if (ghw_read_uleb128 (h, &rec->nbr_fields) != 0) - return -1; - rec->el = malloc - (rec->nbr_fields * sizeof (struct ghw_record_element)); - nbr_el = 0; - for (j = 0; j < rec->nbr_fields; j++) - { - rec->el[j].name = ghw_read_strid (h); - rec->el[j].type = ghw_read_typeid (h); - nbr_el += get_nbr_elements (rec->el[j].type); - } - rec->nbr_el = nbr_el; - if (h->flag_verbose > 1) - printf ("record type: %s (nbr_el=%d)\n", rec->name, rec->nbr_el); - h->types[i] = (union ghw_type *)rec; - } - break; - default: - fprintf (stderr, "ghw_read_type: unknown type %d\n", t); - return -1; - } - } - if (fgetc (h->stream) != 0) - return -1; - return 0; -} - -int -ghw_read_wk_types (struct ghw_handler *h) -{ - char hdr[4]; - - if (fread (hdr, sizeof (hdr), 1, h->stream) != 1) - return -1; - - if (hdr[0] != 0 || hdr[1] != 0 || hdr[2] != 0 || hdr[3] != 0) - return -1; - - while (1) - { - int t; - union ghw_type *tid; - - t = fgetc (h->stream); - if (t == EOF) - return -1; - else if (t == 0) - break; - - tid = ghw_read_typeid (h); - if (tid->kind == ghdl_rtik_type_b2 - || tid->kind == ghdl_rtik_type_e8) - { - if (h->flag_verbose > 0) - printf ("%s: wkt=%d\n", tid->en.name, t); - tid->en.wkt = t; - } - } - return 0; -} - -void -ghw_disp_typename (struct ghw_handler *h, union ghw_type *t) -{ - printf ("%s", t->common.name); -} - -/* Read a signal composed of severals elements. */ -int -ghw_read_signal (struct ghw_handler *h, unsigned int *sigs, union ghw_type *t) -{ - switch (t->kind) - { - case ghdl_rtik_type_b2: - case ghdl_rtik_type_e8: - case ghdl_rtik_type_e32: - case ghdl_rtik_subtype_scalar: - { - unsigned int sig_el; - - if (ghw_read_uleb128 (h, &sig_el) < 0) - return -1; - *sigs = sig_el; - if (sig_el >= h->nbr_sigs) - abort (); - if (h->sigs[sig_el].type == NULL) - h->sigs[sig_el].type = ghw_get_base_type (t); - } - return 0; - case ghdl_rtik_subtype_array: - case ghdl_rtik_subtype_array_ptr: - { - int i; - int stride; - int len; - - len = t->sa.nbr_el; - stride = get_nbr_elements (t->sa.base->el); - - for (i = 0; i < len; i += stride) - if (ghw_read_signal (h, &sigs[i], t->sa.base->el) < 0) - return -1; - } - return 0; - case ghdl_rtik_type_record: - { - int i; - int off; - - off = 0; - for (i = 0; i < t->rec.nbr_fields; i++) - { - if (ghw_read_signal (h, &sigs[off], t->rec.el[i].type) < 0) - return -1; - off += get_nbr_elements (t->rec.el[i].type); - } - } - return 0; - default: - fprintf (stderr, "ghw_read_signal: type kind %d unhandled\n", t->kind); - abort (); - } -} - - -int -ghw_read_value (struct ghw_handler *h, - union ghw_val *val, union ghw_type *type) -{ - switch (ghw_get_base_type (type)->kind) - { - case ghdl_rtik_type_b2: - { - int v; - v = fgetc (h->stream); - if (v == EOF) - return -1; - val->b2 = v; - } - break; - case ghdl_rtik_type_e8: - { - int v; - v = fgetc (h->stream); - if (v == EOF) - return -1; - val->e8 = v; - } - break; - case ghdl_rtik_type_i32: - case ghdl_rtik_type_p32: - { - int32_t v; - if (ghw_read_sleb128 (h, &v) < 0) - return -1; - val->i32 = v; - } - break; - case ghdl_rtik_type_f64: - { - double v; - if (ghw_read_f64 (h, &v) < 0) - return -1; - val->f64 = v; - } - break; - case ghdl_rtik_type_p64: - { - int64_t v; - if (ghw_read_lsleb128 (h, &v) < 0) - return -1; - val->i64 = v; - } - break; - default: - fprintf (stderr, "read_value: cannot handle format %d\n", type->kind); - abort (); - } - return 0; -} - -int -ghw_read_hie (struct ghw_handler *h) -{ - unsigned char hdr[16]; - int nbr_scopes; - int nbr_sigs; - int i; - struct ghw_hie *blk; - struct ghw_hie **last; - - if (fread (hdr, sizeof (hdr), 1, h->stream) != 1) - return -1; - - if (hdr[0] != 0 || hdr[1] != 0 || hdr[2] != 0 || hdr[3] != 0) - return -1; - nbr_scopes = ghw_get_i32 (h, &hdr[4]); - /* Number of declared signals (which may be composite). */ - nbr_sigs = ghw_get_i32 (h, &hdr[8]); - /* Number of basic signals. */ - h->nbr_sigs = ghw_get_i32 (h, &hdr[12]); - - if (h->flag_verbose) - printf ("%d scopes, %d signals, %d signal elements\n", - nbr_scopes, nbr_sigs, h->nbr_sigs); - - blk = (struct ghw_hie *)malloc (sizeof (struct ghw_hie)); - blk->kind = ghw_hie_design; - blk->name = NULL; - blk->parent = NULL; - blk->brother = NULL; - blk->u.blk.child = NULL; - - last = &blk->u.blk.child; - h->hie = blk; - - h->nbr_sigs++; - h->sigs = (struct ghw_sig *) malloc (h->nbr_sigs * sizeof (struct ghw_sig)); - memset (h->sigs, 0, h->nbr_sigs * sizeof (struct ghw_sig)); - - while (1) - { - int t; - struct ghw_hie *el; - unsigned int str; - - t = fgetc (h->stream); - if (t == EOF) - return -1; - if (t == 0) - break; - - if (t == ghw_hie_eos) - { - blk = blk->parent; - if (blk->u.blk.child == NULL) - last = &blk->u.blk.child; - else - { - struct ghw_hie *l = blk->u.blk.child; - while (l->brother != NULL) - l = l->brother; - last = &l->brother; - } - - continue; - } - - el = (struct ghw_hie *) malloc (sizeof (struct ghw_hie)); - el->kind = t; - el->parent = blk; - el->brother = NULL; - - /* Link. */ - *last = el; - last = &el->brother; - - /* Read name. */ - if (ghw_read_uleb128 (h, &str) != 0) - return -1; - el->name = h->str_table[str]; - - switch (t) - { - case ghw_hie_eoh: - case ghw_hie_design: - case ghw_hie_eos: - /* Should not be here. */ - abort (); - case ghw_hie_process: - break; - case ghw_hie_block: - case ghw_hie_generate_if: - case ghw_hie_generate_for: - case ghw_hie_instance: - case ghw_hie_generic: - case ghw_hie_package: - /* Create a block. */ - el->u.blk.child = NULL; - - if (t == ghw_hie_generate_for) - { - el->u.blk.iter_type = ghw_read_typeid (h); - el->u.blk.iter_value = malloc (sizeof (union ghw_val)); - if (ghw_read_value (h, el->u.blk.iter_value, - el->u.blk.iter_type) < 0) - return -1; - } - blk = el; - last = &el->u.blk.child; - break; - case ghw_hie_signal: - case ghw_hie_port_in: - case ghw_hie_port_out: - case ghw_hie_port_inout: - case ghw_hie_port_buffer: - case ghw_hie_port_linkage: - /* For a signal, read type. */ - { - int nbr_el; - unsigned int *sigs; - - el->u.sig.type = ghw_read_typeid (h); - nbr_el = get_nbr_elements (el->u.sig.type); - sigs = (unsigned int *) malloc - ((nbr_el + 1) * sizeof (unsigned int)); - el->u.sig.sigs = sigs; - /* Last element is NULL. */ - sigs[nbr_el] = 0; - - if (h->flag_verbose > 1) - printf ("signal %s: %d el [", el->name, nbr_el); - if (ghw_read_signal (h, sigs, el->u.sig.type) < 0) - return -1; - if (h->flag_verbose > 1) - { - int i; - for (i = 0; i < nbr_el; i++) - printf (" #%u", sigs[i]); - printf ("]\n"); - } - } - break; - default: - fprintf (stderr, "ghw_read_hie: unhandled kind %d\n", t); - abort (); - } - } - - /* Allocate values. */ - for (i = 0; i < h->nbr_sigs; i++) - if (h->sigs[i].type != NULL) - h->sigs[i].val = (union ghw_val *) malloc (sizeof (union ghw_val)); - return 0; -} - -const char * -ghw_get_hie_name (struct ghw_hie *h) -{ - switch (h->kind) - { - case ghw_hie_eoh: - return "eoh"; - case ghw_hie_design: - return "design"; - case ghw_hie_block: - return "block"; - case ghw_hie_generate_if: - return "generate-if"; - case ghw_hie_generate_for: - return "generate-for"; - case ghw_hie_instance: - return "instance"; - case ghw_hie_package: - return "package"; - case ghw_hie_process: - return "process"; - case ghw_hie_generic: - return "generic"; - case ghw_hie_eos: - return "eos"; - case ghw_hie_signal: - return "signal"; - case ghw_hie_port_in: - return "port-in"; - case ghw_hie_port_out: - return "port-out"; - case ghw_hie_port_inout: - return "port-inout"; - case ghw_hie_port_buffer: - return "port-buffer"; - case ghw_hie_port_linkage: - return "port-linkage"; - default: - return "??"; - } -} - -void -ghw_disp_value (union ghw_val *val, union ghw_type *type); - -void -ghw_disp_hie (struct ghw_handler *h, struct ghw_hie *top) -{ - int i; - int indent; - struct ghw_hie *hie; - struct ghw_hie *n; - - hie = top; - indent = 0; - - while (1) - { - for (i = 0; i < indent; i++) - fputc (' ', stdout); - printf ("%s", ghw_get_hie_name (hie)); - - switch (hie->kind) - { - case ghw_hie_design: - case ghw_hie_block: - case ghw_hie_generate_if: - case ghw_hie_generate_for: - case ghw_hie_instance: - case ghw_hie_process: - case ghw_hie_package: - if (hie->name) - printf (" %s", hie->name); - if (hie->kind == ghw_hie_generate_for) - { - printf ("("); - ghw_disp_value (hie->u.blk.iter_value, hie->u.blk.iter_type); - printf (")"); - } - n = hie->u.blk.child; - if (n == NULL) - n = hie->brother; - else - indent++; - break; - case ghw_hie_generic: - case ghw_hie_eos: - abort (); - case ghw_hie_signal: - case ghw_hie_port_in: - case ghw_hie_port_out: - case ghw_hie_port_inout: - case ghw_hie_port_buffer: - case ghw_hie_port_linkage: - { - unsigned int *sigs; - - printf (" %s: ", hie->name); - ghw_disp_typename (h, hie->u.sig.type); - for (sigs = hie->u.sig.sigs; *sigs != 0; sigs++) - printf (" #%u", *sigs); - n = hie->brother; - } - break; - default: - abort (); - } - printf ("\n"); - - while (n == NULL) - { - if (hie->parent == NULL) - return; - hie = hie->parent; - indent--; - n = hie->brother; - } - hie = n; - } -} - -int -ghw_read_eoh (struct ghw_handler *h) -{ - return 0; -} - - -int -ghw_read_base (struct ghw_handler *h) -{ - unsigned char hdr[4]; - int res; - - while (1) - { - if (fread (hdr, sizeof (hdr), 1, h->stream) != 1) - return -1; - if (memcmp (hdr, "STR", 4) == 0) - res = ghw_read_str (h); - else if (memcmp (hdr, "HIE", 4) == 0) - res = ghw_read_hie (h); - else if (memcmp (hdr, "TYP", 4) == 0) - res = ghw_read_type (h); - else if (memcmp (hdr, "WKT", 4) == 0) - res = ghw_read_wk_types (h); - else if (memcmp (hdr, "EOH", 4) == 0) - return 0; - else - { - fprintf (stderr, "ghw_read_base: unknown GHW section %c%c%c%c\n", - hdr[0], hdr[1], hdr[2], hdr[3]); - return -1; - } - if (res != 0) - { - fprintf (stderr, "ghw_read_base: error in section %s\n", hdr); - return res; - } - } -} - -int -ghw_read_signal_value (struct ghw_handler *h, struct ghw_sig *s) -{ - return ghw_read_value (h, s->val, s->type); -} - -int -ghw_read_snapshot (struct ghw_handler *h) -{ - unsigned char hdr[12]; - int i; - struct ghw_sig *s; - - if (fread (hdr, sizeof (hdr), 1, h->stream) != 1) - return -1; - - if (hdr[0] != 0 || hdr[1] != 0 || hdr[2] != 0 || hdr[3] != 0) - return -1; - h->snap_time = ghw_get_i64 (h, &hdr[4]); - if (h->flag_verbose > 1) - printf ("Time is %lld fs\n", h->snap_time); - - for (i = 0; i < h->nbr_sigs; i++) - { - s = &h->sigs[i]; - if (s->type != NULL) - { - if (h->flag_verbose > 1) - printf ("read type %d for sig %d\n", s->type->kind, i); - if (ghw_read_signal_value (h, s) < 0) - return -1; - } - } - if (fread (hdr, 4, 1, h->stream) != 1) - return -1; - - if (memcmp (hdr, "ESN", 4)) - return -1; - - return 0; -} - -void ghw_disp_values (struct ghw_handler *h); - -int -ghw_read_cycle_start (struct ghw_handler *h) -{ - unsigned char hdr[8]; - - if (fread (hdr, sizeof (hdr), 1, h->stream) != 1) - return -1; - - h->snap_time = ghw_get_i64 (h, hdr); - return 0; -} - -int -ghw_read_cycle_cont (struct ghw_handler *h, int *list) -{ - int i; - int *list_p; - - i = 0; - list_p = list; - while (1) - { - uint32_t d; - - /* Read delta to next signal. */ - if (ghw_read_uleb128 (h, &d) < 0) - return -1; - if (d == 0) - { - /* Last signal reached. */ - break; - } - - /* Find next signal. */ - while (d > 0) - { - i++; - if (h->sigs[i].type != NULL) - d--; - } - - if (ghw_read_signal_value (h, &h->sigs[i]) < 0) - return -1; - if (list_p) - *list_p++ = i; - } - - if (list_p) - *list_p = 0; - return 0; -} - -int -ghw_read_cycle_next (struct ghw_handler *h) -{ - int64_t d_time; - - if (ghw_read_lsleb128 (h, &d_time) < 0) - return -1; - if (d_time == -1) - return 0; - h->snap_time += d_time; - return 1; -} - - -int -ghw_read_cycle_end (struct ghw_handler *h) -{ - char hdr[4]; - - if (fread (hdr, sizeof (hdr), 1, h->stream) != 1) - return -1; - if (memcmp (hdr, "ECY", 4)) - return -1; - - return 0; -} - -static const char * -ghw_get_lit (union ghw_type *type, int e) -{ - if (e >= type->en.nbr || e < 0) - return "??"; - else - return type->en.lits[e]; -} - -static void -ghw_disp_lit (union ghw_type *type, int e) -{ - printf ("%s (%d)", ghw_get_lit (type, e), e); -} - -void -ghw_disp_value (union ghw_val *val, union ghw_type *type) -{ - switch (ghw_get_base_type (type)->kind) - { - case ghdl_rtik_type_b2: - ghw_disp_lit (type, val->b2); - break; - case ghdl_rtik_type_e8: - ghw_disp_lit (type, val->e8); - break; - case ghdl_rtik_type_i32: - printf ("%d", val->i32); - break; - case ghdl_rtik_type_p64: - printf ("%lld", val->i64); - break; - case ghdl_rtik_type_f64: - printf ("%g", val->f64); - break; - default: - fprintf (stderr, "ghw_disp_value: cannot handle type %d\n", - type->kind); - abort (); - } -} - -/* Put the ASCII representation of VAL into BUF, whose size if LEN. - A NUL is always written to BUF. -*/ -void -ghw_get_value (char *buf, int len, union ghw_val *val, union ghw_type *type) -{ - switch (ghw_get_base_type (type)->kind) - { - case ghdl_rtik_type_b2: - if (val->b2 <= 1) - { - strncpy (buf, type->en.lits[val->b2], len - 1); - buf[len - 1] = 0; - } - else - { - snprintf (buf, len, "?%d", val->b2); - } - break; - case ghdl_rtik_type_e8: - if (val->b2 <= type->en.nbr) - { - strncpy (buf, type->en.lits[val->e8], len - 1); - buf[len - 1] = 0; - } - else - { - snprintf (buf, len, "?%d", val->e8); - } - break; - case ghdl_rtik_type_i32: - snprintf (buf, len, "%d", val->i32); - break; - case ghdl_rtik_type_p64: - snprintf (buf, len, "%lld", val->i64); - break; - case ghdl_rtik_type_f64: - snprintf (buf, len, "%g", val->f64); - break; - default: - snprintf (buf, len, "?bad type %d?", type->kind); - } -} - -void -ghw_disp_values (struct ghw_handler *h) -{ - int i; - - for (i = 0; i < h->nbr_sigs; i++) - { - struct ghw_sig *s = &h->sigs[i]; - if (s->type != NULL) - { - printf ("#%d: ", i); - ghw_disp_value (s->val, s->type); - printf ("\n"); - } - } -} - -int -ghw_read_directory (struct ghw_handler *h) -{ - unsigned char hdr[8]; - int nbr_entries; - int i; - - if (fread (hdr, sizeof (hdr), 1, h->stream) != 1) - return -1; - - nbr_entries = ghw_get_i32 (h, &hdr[4]); - - if (h->flag_verbose) - printf ("Directory (%d entries):\n", nbr_entries); - - for (i = 0; i < nbr_entries; i++) - { - unsigned char ent[8]; - int pos; - - if (fread (ent, sizeof (ent), 1, h->stream) != 1) - return -1; - - pos = ghw_get_i32 (h, &ent[4]); - if (h->flag_verbose) - printf (" %s at %d\n", ent, pos); - } - - if (fread (hdr, 4, 1, h->stream) != 1) - return -1; - if (memcmp (hdr, "EOD", 4)) - return -1; - return 0; -} - -int -ghw_read_tailer (struct ghw_handler *h) -{ - unsigned char hdr[8]; - int pos; - - if (fread (hdr, sizeof (hdr), 1, h->stream) != 1) - return -1; - - pos = ghw_get_i32 (h, &hdr[4]); - - if (h->flag_verbose) - printf ("Tailer: directory at %d\n", pos); - return 0; -} - -enum ghw_res -ghw_read_sm_hdr (struct ghw_handler *h, int *list) -{ - unsigned char hdr[4]; - int res; - - if (fread (hdr, sizeof (hdr), 1, h->stream) != 1) - { - if (feof (h->stream)) - return ghw_res_eof; - else - return ghw_res_error; - } - if (memcmp (hdr, "SNP", 4) == 0) - { - res = ghw_read_snapshot (h); - if (res < 0) - return res; - return ghw_res_snapshot; - } - else if (memcmp (hdr, "CYC", 4) == 0) - { - res = ghw_read_cycle_start (h); - if (res < 0) - return res; - res = ghw_read_cycle_cont (h, list); - if (res < 0) - return res; - - return ghw_res_cycle; - } - else if (memcmp (hdr, "DIR", 4) == 0) - { - res = ghw_read_directory (h); - } - else if (memcmp (hdr, "TAI", 4) == 0) - { - res = ghw_read_tailer (h); - } - else - { - fprintf (stderr, "unknown GHW section %c%c%c%c\n", - hdr[0], hdr[1], hdr[2], hdr[3]); - return -1; - } - if (res != 0) - return res; - return ghw_res_other; -} - -int -ghw_read_sm (struct ghw_handler *h, enum ghw_sm_type *sm) -{ - int res; - - while (1) - { - /* printf ("sm: state = %d\n", *sm); */ - switch (*sm) - { - case ghw_sm_init: - case ghw_sm_sect: - res = ghw_read_sm_hdr (h, NULL); - switch (res) - { - case ghw_res_other: - break; - case ghw_res_snapshot: - *sm = ghw_sm_sect; - return res; - case ghw_res_cycle: - *sm = ghw_sm_cycle; - return res; - default: - return res; - } - break; - case ghw_sm_cycle: - if (0) - printf ("Time is %lld fs\n", h->snap_time); - if (0) - ghw_disp_values (h); - - res = ghw_read_cycle_next (h); - if (res < 0) - return res; - if (res == 1) - { - res = ghw_read_cycle_cont (h, NULL); - if (res < 0) - return res; - return ghw_res_cycle; - } - res = ghw_read_cycle_end (h); - if (res < 0) - return res; - *sm = ghw_sm_sect; - break; - } - } -} - -int -ghw_read_cycle (struct ghw_handler *h) -{ - int res; - - res = ghw_read_cycle_start (h); - if (res < 0) - return res; - while (1) - { - res = ghw_read_cycle_cont (h, NULL); - if (res < 0) - return res; - - if (0) - printf ("Time is %lld fs\n", h->snap_time); - if (0) - ghw_disp_values (h); - - - res = ghw_read_cycle_next (h); - if (res < 0) - return res; - if (res == 0) - break; - } - res = ghw_read_cycle_end (h); - return res; -} - -int -ghw_read_dump (struct ghw_handler *h) -{ - unsigned char hdr[4]; - int res; - - while (1) - { - if (fread (hdr, sizeof (hdr), 1, h->stream) != 1) - { - if (feof (h->stream)) - return 0; - else - return -1; - } - if (memcmp (hdr, "SNP", 4) == 0) - { - res = ghw_read_snapshot (h); - if (0 && res >= 0) - ghw_disp_values (h); - } - else if (memcmp (hdr, "CYC", 4) == 0) - { - res = ghw_read_cycle (h); - } - else if (memcmp (hdr, "DIR", 4) == 0) - { - res = ghw_read_directory (h); - } - else if (memcmp (hdr, "TAI", 4) == 0) - { - res = ghw_read_tailer (h); - } - else - { - fprintf (stderr, "unknown GHW section %c%c%c%c\n", - hdr[0], hdr[1], hdr[2], hdr[3]); - return -1; - } - if (res != 0) - return res; - } -} - -struct ghw_section ghw_sections[] = { - { "\0\0\0", NULL }, - { "STR", ghw_read_str }, - { "HIE", ghw_read_hie }, - { "TYP", ghw_read_type }, - { "WKT", ghw_read_wk_types }, - { "EOH", ghw_read_eoh }, - { "SNP", ghw_read_snapshot }, - { "CYC", ghw_read_cycle }, - { "DIR", ghw_read_directory }, - { "TAI", ghw_read_tailer } -}; - -int -ghw_read_section (struct ghw_handler *h) -{ - unsigned char hdr[4]; - int i; - - if (fread (hdr, sizeof (hdr), 1, h->stream) != 1) - { - if (feof (h->stream)) - return -2; - else - return -1; - } - - for (i = 1; i < sizeof (ghw_sections) / sizeof (*ghw_sections); i++) - if (memcmp (hdr, ghw_sections[i].name, 4) == 0) - return i; - - fprintf (stderr, "ghw_read_section: unknown GHW section %c%c%c%c\n", - hdr[0], hdr[1], hdr[2], hdr[3]); - return 0; -} - -void -ghw_close (struct ghw_handler *h) -{ - if (h->stream) - { - fclose (h->stream); - h->stream = NULL; - } -} - -const char * -ghw_get_dir (int is_downto) -{ - return is_downto ? "downto" : "to"; -} - -void -ghw_disp_range (union ghw_type *type, union ghw_range *rng) -{ - switch (rng->kind) - { - case ghdl_rtik_type_e8: - printf ("%s %s %s", ghw_get_lit (type, rng->e8.left), - ghw_get_dir (rng->e8.dir), ghw_get_lit (type, rng->e8.right)); - break; - case ghdl_rtik_type_i32: - case ghdl_rtik_type_p32: - printf ("%d %s %d", - rng->i32.left, ghw_get_dir (rng->i32.dir), rng->i32.right); - break; - case ghdl_rtik_type_i64: - case ghdl_rtik_type_p64: - printf ("%lld %s %lld", - rng->i64.left, ghw_get_dir (rng->i64.dir), rng->i64.right); - break; - case ghdl_rtik_type_f64: - printf ("%g %s %g", - rng->f64.left, ghw_get_dir (rng->f64.dir), rng->f64.right); - break; - default: - printf ("?(%d)", rng->kind); - } -} - -void -ghw_disp_type (struct ghw_handler *h, union ghw_type *t) -{ - switch (t->kind) - { - case ghdl_rtik_type_b2: - case ghdl_rtik_type_e8: - { - struct ghw_type_enum *e = &t->en; - int i; - - printf ("type %s is (", e->name); - for (i = 0; i < e->nbr; i++) - { - if (i != 0) - printf (", "); - printf ("%s", e->lits[i]); - } - printf (");"); - if (e->wkt != ghw_wkt_unknown) - printf (" -- WKT:%d", e->wkt); - printf ("\n"); - } - break; - case ghdl_rtik_type_i32: - case ghdl_rtik_type_f64: - { - struct ghw_type_scalar *s = &t->sc; - printf ("type %s is range <>;\n", s->name); - } - break; - case ghdl_rtik_type_p32: - case ghdl_rtik_type_p64: - { - int i; - - struct ghw_type_physical *p = &t->ph; - printf ("type %s is range <> units\n", p->name); - for (i = 0; i < p->nbr_units; i++) - { - struct ghw_unit *u = &p->units[i]; - printf (" %s = %lld %s;\n", u->name, u->val, p->units[0].name); - } - printf ("end units\n"); - } - break; - case ghdl_rtik_subtype_scalar: - { - struct ghw_subtype_scalar *s = &t->ss; - printf ("subtype %s is ", s->name); - ghw_disp_typename (h, s->base); - printf (" range "); - ghw_disp_range (s->base, s->rng); - printf (";\n"); - } - break; - case ghdl_rtik_type_array: - { - struct ghw_type_array *a = &t->ar; - int i; - - printf ("type %s is array (", a->name); - for (i = 0; i < a->nbr_dim; i++) - { - if (i != 0) - printf (", "); - ghw_disp_typename (h, a->dims[i]); - printf (" range <>"); - } - printf (") of "); - ghw_disp_typename (h, a->el); - printf (";\n"); - } - break; - case ghdl_rtik_subtype_array: - case ghdl_rtik_subtype_array_ptr: - { - struct ghw_subtype_array *a = &t->sa; - int i; - - printf ("subtype %s is ", a->name); - ghw_disp_typename (h, (union ghw_type *)a->base); - printf (" ("); - for (i = 0; i < a->base->nbr_dim; i++) - { - if (i != 0) - printf (", "); - ghw_disp_range ((union ghw_type *)a->base, a->rngs[i]); - } - printf (");\n"); - } - break; - case ghdl_rtik_type_record: - { - struct ghw_type_record *r = &t->rec; - int i; - - printf ("type %s is record\n", r->name); - for (i = 0; i < r->nbr_fields; i++) - { - printf (" %s: ", r->el[i].name); - ghw_disp_typename (h, r->el[i].type); - printf ("\n"); - } - printf ("end record;\n"); - } - break; - default: - printf ("ghw_disp_type: unhandled type kind %d\n", t->kind); - } -} - -void -ghw_disp_types (struct ghw_handler *h) -{ - int i; - - for (i = 0; i < h->nbr_types; i++) - ghw_disp_type (h, h->types[i]); -} |