| Line 28... |
Line 28... |
#include <errno.h>
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#include <errno.h>
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#include <stdarg.h>
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#include <stdarg.h>
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#include "icache_model.h"
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#include "icache_model.h"
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#include "abstract.h"
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#include "abstract.h"
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#include "except.h"
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#include "stats.h"
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#include "stats.h"
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#include "sim-config.h"
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#include "sim-config.h"
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#include "spr_defs.h"
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#include "spr_defs.h"
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#include "sprs.h"
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#include "sprs.h"
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#include "sim-config.h"
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#include "sim-config.h"
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| Line 72... |
Line 73... |
unsigned long ic_simulate_fetch(unsigned long fetchaddr)
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unsigned long ic_simulate_fetch(unsigned long fetchaddr)
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{
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{
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int set, way = -1;
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int set, way = -1;
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int i;
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int i;
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unsigned long tagaddr;
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unsigned long tagaddr;
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unsigned long tmp;
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/* ICache simulation enabled/disabled. */
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/* ICache simulation enabled/disabled. */
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if ((!testsprbits(SPR_UPR, SPR_UPR_ICP)) || (!testsprbits(SPR_SR, SPR_SR_ICE)) || insn_ci)
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if ((!testsprbits(SPR_UPR, SPR_UPR_ICP)) || (!testsprbits(SPR_SR, SPR_SR_ICE)) || insn_ci) {
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return evalsim_mem32(fetchaddr);
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tmp = evalsim_mem32(fetchaddr);
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if(!cur_area) {
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printf("EXCEPTION: read out of memory (32-bit access to %.8lx)\n", fetchaddr);
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except_handle(EXCEPT_BUSERR, cur_vadd);
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return 0;
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}
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if (!pending.valid && cur_area->log)
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fprintf (cur_area->log, "[%08x] -> read %08x\n", fetchaddr, tmp);
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return tmp;
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}
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/* Which set to check out? */
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/* Which set to check out? */
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set = (fetchaddr / config.ic.blocksize) % config.ic.nsets;
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set = (fetchaddr / config.ic.blocksize) % config.ic.nsets;
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tagaddr = (fetchaddr / config.ic.blocksize) / config.ic.nsets;
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tagaddr = (fetchaddr / config.ic.blocksize) / config.ic.nsets;
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| Line 108... |
Line 119... |
for (i = 0; i < config.ic.nways; i++)
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for (i = 0; i < config.ic.nways; i++)
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if (ic[set].way[i].lru < minlru)
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if (ic[set].way[i].lru < minlru)
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minway = i;
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minway = i;
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for (i = 0; i < (config.ic.blocksize); i += 4) {
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for (i = 0; i < (config.ic.blocksize); i += 4) {
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ic[set].way[minway].line[((fetchaddr + i) & (config.ic.blocksize - 1)) >> 2] =
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tmp = ic[set].way[minway].line[((fetchaddr + i) & (config.ic.blocksize - 1)) >> 2] =
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evalsim_mem32((fetchaddr & ~(config.ic.blocksize - 1)) + ((fetchaddr + i) & (config.ic.blocksize - 1)));
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evalsim_mem32((fetchaddr & ~(config.ic.blocksize - 1)) + ((fetchaddr + i) & (config.ic.blocksize - 1)));
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if(!cur_area) {
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if(!cur_area) {
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ic[set].way[minway].tagaddr = -1;
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ic[set].way[minway].tagaddr = -1;
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ic[set].way[minway].lru = 0;
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ic[set].way[minway].lru = 0;
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printf("EXCEPTION: read out of memory (32-bit access to %.8lx)\n", fetchaddr);
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except_handle(EXCEPT_BUSERR, cur_vadd);
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return 0;
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return 0;
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}
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}
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if (!pending.valid && cur_area->log)
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fprintf (cur_area->log, "[%08x] -> read %08x\n", fetchaddr, tmp);
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}
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}
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ic[set].way[minway].tagaddr = tagaddr;
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ic[set].way[minway].tagaddr = tagaddr;
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for (i = 0; i < config.ic.nways; i++)
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for (i = 0; i < config.ic.nways; i++)
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if (ic[set].way[i].lru)
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if (ic[set].way[i].lru)
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