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authorAlan Mishchenko <alanmi@berkeley.edu>2007-09-30 08:01:00 -0700
committerAlan Mishchenko <alanmi@berkeley.edu>2007-09-30 08:01:00 -0700
commite54d9691616b9a0326e2fdb3156bb4eeb8abfcd7 (patch)
treede3ffe87c3e17950351e3b7d97fa18318bd5ea9a /src/phys/place/place_test.c
parent7d7e60f2dc84393cd4c5db22d2eaf7b1fb1a79b2 (diff)
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Diffstat (limited to 'src/phys/place/place_test.c')
-rw-r--r--src/phys/place/place_test.c360
1 files changed, 0 insertions, 360 deletions
diff --git a/src/phys/place/place_test.c b/src/phys/place/place_test.c
deleted file mode 100644
index ea706a09..00000000
--- a/src/phys/place/place_test.c
+++ /dev/null
@@ -1,360 +0,0 @@
-/*===================================================================*/
-//
-// place_test.c
-//
-// Aaron P. Hurst, 2003-2007
-// ahurst@eecs.berkeley.edu
-//
-/*===================================================================*/
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <assert.h>
-#include "place_base.h"
-
-
-// --------------------------------------------------------------------
-// Hash type/functions
-//
-// --------------------------------------------------------------------
-
-struct hash_element {
- ConcreteCell *obj;
- struct hash_element *next;
-} hash_element;
-
-int hash_string(int hash_max, const char *str) {
- unsigned int hash = 0;
- int p;
- for(p = 0; p<strlen(str); p++)
- hash += str[p]*p;
- return hash % hash_max;
-}
-
-void hash_add(struct hash_element **hash, int hash_max,
- ConcreteCell *cell) {
- int key = hash_string(hash_max, cell->m_label);
- // printf("adding %s key = %d\n", cell->m_label, key);
- struct hash_element *element = malloc(sizeof(struct hash_element));
- assert(element);
- element->obj = cell;
- element->next = hash[key];
- hash[key] = element;
-}
-
-ConcreteCell *hash_find(struct hash_element **hash, int hash_max, const char *str) {
- int key = hash_string(hash_max, str);
- // printf("looking for %s key = %d\n", str, key);
- struct hash_element *next = hash[key];
- while(next) {
- if (!strcmp(str, next->obj->m_label))
- return next->obj;
- next = next->next;
- }
- return 0;
-}
-
-// --------------------------------------------------------------------
-// Global variables
-//
-// --------------------------------------------------------------------
-
-struct hash_element **hash_cellname;
-
-int numCells = 0, numNets = 0;
-
-AbstractCell *abstractCells;
-ConcreteCell *concreteCells;
-ConcreteNet *concreteNets;
-
-// --------------------------------------------------------------------
-// Function implementations
-//
-// --------------------------------------------------------------------
-
-void readBookshelfNets(char *filename) {
- char *tok;
- char buf[1024];
- const char *DELIMITERS = " \n\t:";
- int id = 0;
- int t;
- ConcreteCell *cell;
-
- FILE *netsFile = fopen(filename, "r");
- if (!netsFile) {
- printf("ERROR: Could not open .nets file\n");
- exit(1);
- }
-
- // line 1 : version
- while (fgets(buf, 1024, netsFile) && (buf[0] == '\n' || buf[0] == '#'));
-
- // line 2 : number of nets
- while (fgets(buf, 1024, netsFile) && (buf[0] == '\n' || buf[0] == '#'));
- tok = strtok(buf, DELIMITERS);
- tok = strtok(NULL, DELIMITERS);
- numNets = atoi(tok);
- printf("READ-20 : number of nets = %d\n", numNets);
- concreteNets = malloc(sizeof(ConcreteNet)*numNets);
-
- // line 3 : number of pins
- while (fgets(buf, 1024, netsFile) && (buf[0] == '\n' || buf[0] == '#'));
-
- // line XXX : net definitions
- while(fgets(buf, 1024, netsFile)) {
- if (buf[0] == '\n' || buf[0] == '#') continue;
-
- concreteNets[id].m_id = id;
- concreteNets[id].m_weight = 1.0;
-
- tok = strtok(buf, DELIMITERS);
- if (!!strcmp(tok, "NetDegree")) {
- printf("%s\n",buf);
- printf("ERROR: Incorrect format in .nets file\n");
- exit(1);
- }
-
- tok = strtok(NULL, DELIMITERS);
- concreteNets[id].m_numTerms = atoi(tok);
- if (concreteNets[id].m_numTerms < 0 ||
- concreteNets[id].m_numTerms > 100000) {
- printf("ERROR: Bad net degree\n");
- exit(1);
- }
- concreteNets[id].m_terms = malloc(sizeof(ConcreteCell*)*
- concreteNets[id].m_numTerms);
-
- // read terms
- t = 0;
- while(t < concreteNets[id].m_numTerms &&
- fgets(buf, 1024, netsFile)) {
- if (buf[0] == '\n' || buf[0] == '#') continue;
-
- // cell name
- tok = strtok(buf, DELIMITERS);
- cell = hash_find(hash_cellname, numCells, tok);
- if (!cell) {
- printf("ERROR: Could not find cell %s in .nodes file\n", tok);
- exit(1);
- }
- concreteNets[id].m_terms[t] = cell;
- t++;
- }
-
- // add!
- addConcreteNet(&(concreteNets[id]));
-
- id++;
- }
-
- fclose(netsFile);
-}
-
-void readBookshelfNodes(char *filename) {
- char *tok;
- char buf[1024];
- const char *DELIMITERS = " \n\t:";
- int id = 0;
-
- FILE *nodesFile = fopen(filename, "r");
- if (!nodesFile) {
- printf("ERROR: Could not open .nodes file\n");
- exit(1);
- }
-
- // line 1 : version
- while (fgets(buf, 1024, nodesFile) && (buf[0] == '\n' || buf[0] == '#'));
-
- // line 2 : num nodes
- while (fgets(buf, 1024, nodesFile) && (buf[0] == '\n' || buf[0] == '#'));
- tok = strtok(buf, DELIMITERS);
- tok = strtok(NULL, DELIMITERS);
- numCells = atoi(tok);
- printf("READ-10 : number of cells = %d\n", numCells);
- concreteCells = malloc(sizeof(ConcreteCell)*numCells);
- abstractCells = malloc(sizeof(AbstractCell)*numCells);
- hash_cellname = calloc(numCells, sizeof(struct hash_element*));
-
- // line 3 : num terminals
- while (fgets(buf, 1024, nodesFile) && (buf[0] == '\n' || buf[0] == '#'));
-
- // line XXX : cell definitions
- while(fgets(buf, 1024, nodesFile)) {
- if (buf[0] == '\n' || buf[0] == '#') continue;
-
- tok = strtok(buf, DELIMITERS);
- concreteCells[id].m_id = id;;
-
- // label
- concreteCells[id].m_parent = &(abstractCells[id]);
- concreteCells[id].m_label = malloc(sizeof(char)*strlen(tok)+1);
- strcpy(concreteCells[id].m_label, tok);
- abstractCells[id].m_label = concreteCells[id].m_label;
- hash_add(hash_cellname, numCells,
- &(concreteCells[id]));
-
- // dimensions
- tok = strtok(NULL, DELIMITERS);
- abstractCells[id].m_width = atof(tok);
- tok = strtok(NULL, DELIMITERS);
- abstractCells[id].m_height = atof(tok);
- tok = strtok(NULL, DELIMITERS);
- // terminal
- abstractCells[id].m_pad = tok && !strcmp(tok, "terminal");
-
- // add!
- addConcreteCell(&(concreteCells[id]));
-
- // DEBUG
- /*
- printf("\"%s\" : %f x %f\n", concreteCells[id].m_label,
- abstractCells[id].m_width,
- abstractCells[id].m_height);
- */
- id++;
- }
-
- fclose(nodesFile);
-}
-
-void readBookshelfPlacement(char *filename) {
- char *tok;
- char buf[1024];
- const char *DELIMITERS = " \n\t:";
- ConcreteCell *cell;
-
- FILE *plFile = fopen(filename, "r");
- FILE *netsFile = fopen(filename, "r");
- if (!plFile) {
- printf("ERROR: Could not open .pl file\n");
- exit(1);
- }
- if (!netsFile) {
- printf("ERROR: Could not open .nets file\n");
- exit(1);
- }
-
- // line 1 : version
- while (fgets(buf, 1024, plFile) && (buf[0] == '\n' || buf[0] == '#'));
-
- // line XXX : placement definitions
- while(fgets(buf, 1024, plFile)) {
- if (buf[0] == '\n' || buf[0] == '#') continue;
-
- tok = strtok(buf, DELIMITERS);
-
- // cell name
- cell = hash_find(hash_cellname, numCells, tok);
- if (!cell) {
- printf("ERROR: Could not find cell %s in .nodes file\n",tok);
- exit(1);
- }
-
- // position
- tok = strtok(NULL, DELIMITERS);
- cell->m_x = atof(tok);
- tok = strtok(NULL, DELIMITERS);
- cell->m_y = atof(tok);
-
- // hfixed
- cell->m_fixed = strtok(NULL, DELIMITERS) &&
- (tok = strtok(NULL, DELIMITERS)) &&
- !strcmp(tok, "\\FIXED");
- }
-
- fclose(plFile);
-}
-
-void writeBookshelfPlacement(char *filename) {
- int c = 0;
-
- FILE *plFile = fopen(filename, "w");
- if (!plFile) {
- printf("ERROR: Could not open .pl file\n");
- exit(1);
- }
-
- fprintf(plFile, "UCLA pl 1.0\n");
- for(c=0; c<numCells; c++) {
- fprintf(plFile, "%s %f %f : N %s\n",
- concreteCells[c].m_label,
- concreteCells[c].m_x,
- concreteCells[c].m_y,
- (concreteCells[c].m_fixed ? "\\FIXED" : ""));
- }
-
- fclose(plFile);
-}
-
-// deletes all connections to a cell
-void delNetConnections(ConcreteCell *cell) {
- int n, t, t2, count = 0;
- ConcreteCell **old = malloc(sizeof(ConcreteCell*)*g_place_numCells);
-
- for(n=0; n<g_place_numNets; n++) if (g_place_concreteNets[n]) {
- ConcreteNet *net = g_place_concreteNets[n];
- count = 0;
- for(t=0; t<net->m_numTerms; t++)
- if (net->m_terms[t] == cell) count++;
- if (count) {
- memcpy(old, net->m_terms, sizeof(ConcreteCell*)*net->m_numTerms);
- net->m_terms = realloc(net->m_terms,
- sizeof(ConcreteCell*)*(net->m_numTerms-count));
- t2 = 0;
- for(t=0; t<net->m_numTerms; t++)
- if (old[t] != cell) net->m_terms[t2++] = old[t];
- net->m_numTerms -= count;
- }
- }
- free(old);
-}
-
-int main(int argc, char **argv) {
-
- if (argc != 4) {
- printf("Usage: %s [nodes] [nets] [pl]\n", argv[0]);
- exit(1);
- }
-
- readBookshelfNodes(argv[1]);
- readBookshelfNets(argv[2]);
- readBookshelfPlacement(argv[3]);
-
- globalPreplace(0.8);
- globalPlace();
-
- // DEBUG net/cell removal/addition
- /*
- int i;
- for(i=1000; i<2000; i++) {
- delConcreteNet(g_place_concreteNets[i]);
- delNetConnections(g_place_concreteCells[i]);
- delConcreteCell(g_place_concreteCells[i]);
- }
-
- ConcreteCell newCell[2];
- newCell[0].m_id = g_place_numCells+1;
- newCell[0].m_x = 1000;
- newCell[0].m_y = 1000;
- newCell[0].m_fixed = false;
- newCell[0].m_parent = &(abstractCells[1000]);
- newCell[0].m_label = " ";
- addConcreteCell(&newCell[0]);
- newCell[1].m_id = g_place_numCells+3;
- newCell[1].m_x = 1000;
- newCell[1].m_y = 1000;
- newCell[1].m_fixed = false;
- newCell[1].m_parent = &(abstractCells[1000]);
- newCell[1].m_label = " ";
- addConcreteCell(&newCell[1]);
- */
-
- globalIncremental();
-
- writeBookshelfPlacement(argv[3]);
-
- free(hash_cellname);
-
- return 0;
-}