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https://opencores.org/ocsvn/sc2v/sc2v/trunk
Subversion Repositories sc2v
[/] [sc2v/] [trunk/] [src/] [sc2v_step2.c] - Rev 19
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/* ----------------------------------------------------------------------------- * * SystemC to Verilog Translator v0.4 * Provided by OpenSoc Design * * www.opensocdesign.com * * ----------------------------------------------------------------------------- * This program 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 of the License, or * (at your option) any later version. * * This program 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 Library General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include <stdlib.h> #include <stdio.h> #include <math.h> #include "sc2v_step2.h" void ShowDefines (char *filedefines) { int readok; char *auxchar; FILE *file; file = fopen (filedefines, (char *) "r"); while (1){ readok = fread ((void *) &auxchar, sizeof (char), 1, file); if (readok){ printf ("%c", auxchar); }else{ break; } } } WriteNode * InsertWrite (WriteNode * list, char *name) { WriteNode *wl; wl = (WriteNode *) malloc (sizeof (WriteNode)); strcpy (wl->name, name); SGLIB_LIST_ADD (WriteNode, list, wl, next); return (list); } int IsWrite (WriteNode * list, char *name) { WriteNode *wll; SGLIB_LIST_MAP_ON_ELEMENTS (WriteNode, list, wll, next, { if ((strcmp (name, (char *) wll->name) == 0)) return (1); } ); return (0); } void ShowWritesList (WriteNode * list) { WriteNode *wll; SGLIB_LIST_MAP_ON_ELEMENTS (WriteNode, list, wll, next,{ printf ("%s\n", wll->name); } ); return; } WriteNode * ReadWritesFile (WriteNode *list,char *name) { char *leido; int ret; FILE *file_writes; file_writes = fopen (name, (char *) "r"); leido = (char *) malloc (256 * sizeof (char)); while (1){ ret = fscanf (file_writes, "%s", leido); if (ret == EOF) break; list = InsertWrite (list, leido); } return(list); } PortNode * InsertPort (PortNode * list, char *name, char *tipo, int size) { PortNode *pl; pl = (PortNode *) malloc (sizeof (PortNode)); strcpy (pl->name, name); strcpy (pl->tipo, tipo); pl->size = size; SGLIB_LIST_ADD (PortNode, list, pl, next); return (list); } void ShowPortList (PortNode * list) { PortNode *pll; SGLIB_LIST_MAP_ON_ELEMENTS (PortNode, list, pll, next, { printf ("%s ", pll->tipo); if (pll->size != 0 && pll->size != 1) { printf ("[%d:0] ", (-1 + pll->size));} printf ("%s;\n", pll->name); } ); return; } void RegOutputs (PortNode * list) { PortNode *pll; SGLIB_LIST_MAP_ON_ELEMENTS (PortNode, list, pll, next, { if (strcmp (pll->tipo, "output") == 0) { printf ("reg "); if (pll->size != 0 && pll->size != 1) { printf ("[%d:0] ", (-1 + pll->size));} printf ("%s;\n", pll->name);} } ); return; } void EnumeratePorts (PortNode * list) { PortNode *pll; SGLIB_LIST_MAP_ON_ELEMENTS (PortNode, list, pll, next, { if (pll->next == NULL) { printf ("%s", pll->name); break; } else { printf ("%s,", pll->name);} } ); return; } SignalNode * InsertSignal (SignalNode * list, char *name, int size) { SignalNode *sl; sl = (SignalNode *) malloc (sizeof (SignalNode)); strcpy (sl->name, name); sl->size = size; SGLIB_LIST_ADD (SignalNode, list, sl, next); return (list); } void ShowSignalsList (SignalNode * list, WriteNode * writeslist) { SignalNode *sll; SGLIB_LIST_MAP_ON_ELEMENTS (SignalNode, list, sll, next, { if (IsWrite (writeslist, sll->name)) { printf ("reg "); if (sll->size != 0 && sll->size != 1) { printf ("[%d:0] ", (-1 + sll->size)); } printf ("%s;\n", sll->name); } else { printf ("wire "); if (sll->size != 0 && sll->size != 1) { printf ("[%d:0] ", (-1 + sll->size)); } printf ("%s;\n", sll->name); } } ); return; } /* Decides if a signal is a wire or a reg*/ int IsWire (char *name, InstanceNode * list) { InstanceNode *ill; SGLIB_LIST_MAP_ON_ELEMENTS (InstanceNode, list, ill, next, { BindNode * bll; SGLIB_LIST_MAP_ON_ELEMENTS (BindNode,ill->bindslist, bll, next, { if ((strcmp(name,bll->namebind)==0)) { return 1; } } );} ); return 0; } SensibilityNode * InsertSensibility (SensibilityNode * list, char *name, char *tipo) { SensibilityNode *sl; sl = (SensibilityNode *) malloc (sizeof (SensibilityNode)); strcpy (sl->name, name); strcpy (sl->tipo, tipo); SGLIB_LIST_ADD (SensibilityNode, list, sl, next); return (list); } void ShowSensibilityList (SensibilityNode * list) { SensibilityNode *sll; SGLIB_LIST_MAP_ON_ELEMENTS (SensibilityNode, list, sll, next, { if (!strcmp (sll->tipo, "posedge")|| !strcmp (sll->tipo,"negedge")) printf (" %s",sll->tipo); if (sll->next == NULL) { printf (" %s", sll->name); break; } else { printf (" %s or", sll->name);} } ); return; } ProcessNode * InsertProcess (ProcessNode * list, char *name, SensibilityNode * SensibilityList, char *tipo) { ProcessNode *pl; pl = (ProcessNode *) malloc (sizeof (ProcessNode)); strcpy (pl->name, name); strcpy (pl->tipo, tipo); pl->list = SensibilityList; SGLIB_LIST_ADD (ProcessNode, list, pl, next); return (list); } void ShowProcessList (ProcessNode * list) { ProcessNode *pll; SGLIB_LIST_MAP_ON_ELEMENTS (ProcessNode, list, pll, next, { printf ("%s: always @(", pll->name); ShowSensibilityList (pll->list); printf (")\n"); } ); return; } void ShowProcessCode (ProcessNode * list) { FILE *archivo; int readok; char lookahead; char *filename; char auxchar; char begin[10]; ProcessNode *pll; SGLIB_LIST_MAP_ON_ELEMENTS (ProcessNode, list, pll, next, { fprintf(stderr,"Writing process code => %s\n",pll->name); printf ("//%s:\n", pll->name); filename =(char *) malloc (256 * sizeof (char)); strcpy (filename, pll->name); strcat (filename, (char *) "_regs.sc2v"); archivo = fopen (filename, (char *) "r"); while (1) { readok =fread ((void *) &auxchar, sizeof (char), 1,archivo); if (readok) printf ("%c", auxchar); else break; } fclose (archivo); printf ("always @("); ShowSensibilityList (pll->list); printf (" )\n"); printf (" begin\n"); strcpy (filename, pll->name); strcat (filename, (char *) ".sc2v"); archivo = fopen (filename, (char *) "r"); /*Read the initial begin of the file */ fscanf (archivo, "%s", begin); readok =fread ((void *) &auxchar, sizeof (char), 1,archivo); /*Trim the beggining of the file */ while (auxchar == '\n' || auxchar == ' ' || auxchar == '\t') readok =fread ((void *) &auxchar, sizeof (char), 1,archivo); printf ("\n %c", auxchar); while (1){ readok = fread ((void *) &auxchar, sizeof (char), 1,archivo); if (readok){ if (strcmp (pll->tipo, "comb") == 0 && auxchar == '<') { readok = fread ((void *) &lookahead, sizeof (char), 1, archivo); if (readok){ if (lookahead == '='){ auxchar = lookahead; }else{ printf ("%c", auxchar); auxchar = lookahead; } } } printf ("%c", auxchar); } else { break; } } fclose (archivo); } ); } InstanceNode * InsertInstance (InstanceNode * list, char *nameinstance, char *namemodulo) { InstanceNode *il; il = (InstanceNode *) malloc (sizeof (InstanceNode)); strcpy (il->nameinstance, nameinstance); strcpy (il->namemodulo, namemodulo); il->bindslist = NULL; SGLIB_LIST_ADD (InstanceNode, list, il, next); return (list); } BindNode * InsertBind (BindNode * list, char *nameport, char *namebind) { BindNode *bl; bl = (BindNode *) malloc (sizeof (BindNode)); strcpy (bl->nameport, nameport); strcpy (bl->namebind, namebind); SGLIB_LIST_ADD (BindNode, list, bl, next); return (list); } void ShowInstancedModules (InstanceNode * list) { InstanceNode *ill; SGLIB_LIST_MAP_ON_ELEMENTS (InstanceNode, list, ill, next, { printf ("%s %s (", ill->namemodulo,ill->nameinstance); BindNode * bll; SGLIB_LIST_MAP_ON_ELEMENTS (BindNode,ill->bindslist, bll,next, { printf (".%s(%s)",bll->nameport,bll->namebind); if (bll->next == NULL) printf (");\n"); else printf (", ");} );} ); } EnumeratesNode *InsertEnumerates (EnumeratesNode * list, char *name) { EnumeratesNode *el; el = (EnumeratesNode *) malloc (sizeof (EnumeratesNode)); strcpy (el->name, name); SGLIB_LIST_ADD (EnumeratesNode, list, el, next); return (list); } int ShowEnumeratesList (EnumeratesNode *list) { EnumeratesNode *ell; int i = 0; SGLIB_LIST_REVERSE(EnumeratesNode, list, next); printf ("parameter %s = 0", list->name); if(list->next!=NULL) list=list->next; if(list->next!=NULL){ printf(",\n"); i=1; SGLIB_LIST_MAP_ON_ELEMENTS (EnumeratesNode,list, ell,next, { if(ell->next==NULL) { printf(" %s = %d;\n\n",ell->name,i); return(i); } else { printf(" %s = %d,\n",ell->name,i); } i++; } ); }else{ printf(";\n\n"); return(i); } } EnumListNode * InsertEnumList (EnumListNode * list, EnumeratesNode * enumlist, char *name,int istype) { EnumListNode *el; el = (EnumListNode *) malloc (sizeof (EnumListNode)); strcpy (el->name, name); el->istype=istype; el->list=enumlist; SGLIB_LIST_ADD (EnumListNode, list, el, next); return (list); } void ShowEnumListList (EnumListNode * list) { int items; EnumListNode *ell; double bits, bits_round; int bits_i; SGLIB_LIST_MAP_ON_ELEMENTS(EnumListNode,list, ell,next, { items = ShowEnumeratesList (ell->list); //Calculate the number of bits needed to represent the enumerate bits = log ((double) (items + 1)) / log (2.0); bits_i = bits; bits_round = bits_i; if (bits_round != bits) bits_i++; if (bits_i == 0) bits_i = 1; if (!(ell->istype)) { if ((bits_i - 1) != 0) printf ("reg [%d:0] %s;\n\n", bits_i - 1, ell->name); else printf ("reg %s;\n\n", ell->name); } } ); } int findEnumList (EnumListNode * list, char *name) { int i = 0; EnumListNode *ell; SGLIB_LIST_MAP_ON_ELEMENTS (EnumListNode,list, ell,next, { //printf("%s %s %d %d\n", aux->name,name,aux->istype,i); if ((strcmp (ell->name, name) == 0) && ((ell->istype) == 1)) { return i; } i++; } ); return -1; } int findEnumerateLength (EnumListNode * list, int offset) { int i,j = 0; double bits, bits_round; int bits_i; EnumListNode *ell; EnumeratesNode *enumll; j=0; i=0; SGLIB_LIST_MAP_ON_ELEMENTS (EnumListNode,list, ell,next, { i++; if(i==offset+1){ SGLIB_LIST_MAP_ON_ELEMENTS (EnumeratesNode,ell->list, enumll,next, { j++; }); } }); //Calculate the number of bits needed to represent the enumerate bits = log ((double) (j)) / log (2.0); bits_i = bits; bits_round = bits_i; if (bits_round != bits) bits_i++; if (bits_i == 0) bits_i = 1; return bits_i; } /* Functions for functions inputs list*/ FunctionInputNode *InsertFunctionInput (FunctionInputNode * list, char *name, int lenght){ FunctionInputNode *fl; fl = (FunctionInputNode *) malloc (sizeof (FunctionInputNode)); strcpy (fl->name, name); fl->lenght=lenght; SGLIB_LIST_ADD (FunctionInputNode, list, fl, next); return (list); } void ShowFunctionInputs (FunctionInputNode * list){ FunctionInputNode *fll; SGLIB_LIST_MAP_ON_ELEMENTS (FunctionInputNode,list, fll,next, { if(fll->lenght!=1) printf("input [%d:0] %s;\n",(fll->lenght)-1,fll->name); else printf("input %s;\n",fll->name); }); } /* Functions for functions list*/ FunctionNode *InsertFunction (FunctionNode *list, char *name,FunctionInputNode *InputsList,int outputlenght){ FunctionNode *fl; fl = (FunctionNode *) malloc (sizeof (FunctionNode)); strcpy (fl->name, name); fl->outputlenght=outputlenght; fl->list = InputsList; SGLIB_LIST_ADD (FunctionNode, list, fl, next); return (list); } void ShowFunctionCode (FunctionNode *list){ FILE *archivo; int readok; char *filename; char auxchar; char begin[10]; FunctionNode *fll; SGLIB_LIST_MAP_ON_ELEMENTS (FunctionNode,list, fll,next, { if(fll->outputlenght!=1) printf("function [%d:0] %s;\n\n",(fll->outputlenght)-1,fll->name); else printf("function %s;\n\n",fll->name); ShowFunctionInputs(fll->list); //Show Registers filename =(char *) malloc (256 * sizeof (char)); strcpy (filename, fll->name); strcat (filename, (char *) "_regs.sc2v"); archivo = fopen (filename, (char *) "r"); if(archivo==NULL){ fprintf(stderr,"Error opening file %s\n",filename); exit(1); } printf("\n"); while (1) { readok =fread ((void *) &auxchar, sizeof (char), 1,archivo); if (readok) printf ("%c", auxchar); else{ break; } } fclose (archivo); printf ("\n begin\n"); strcpy (filename, fll->name); strcat (filename, (char *) ".sc2v"); archivo = fopen (filename, (char *) "r"); /*Read the initial begin of the file */ fscanf (archivo, "%s", begin); readok =fread ((void *) &auxchar, sizeof (char), 1,archivo); /*Trim the beggining of the file */ while (auxchar == '\n' || auxchar == ' ' || auxchar == '\t') readok =fread ((void *) &auxchar, sizeof (char), 1,archivo); printf ("\n %c", auxchar); while (1){ readok = fread ((void *) &auxchar, sizeof (char), 1,archivo); if (readok) printf ("%c", auxchar); else break; } printf("endfunction\n\n"); fclose (archivo); }); }
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