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-rw-r--r--Makefile2
-rw-r--r--opcode.c21
-rw-r--r--sux.c189
3 files changed, 103 insertions, 109 deletions
diff --git a/Makefile b/Makefile
index df46e69..e4d801a 100644
--- a/Makefile
+++ b/Makefile
@@ -11,7 +11,7 @@ CFLAGS = $(PCC_CFLAGS) $(CFLAGS_EXTRA)
OBJS = asmmon.o opcode.o sux.o
OBJ_NAME = cisc-0.2
all : $(OBJS)
- $(CC) $(OBJS) $(CFLAGS) -o $(OBJ_NAME)
+ $(CC) $(OBJS) $(CFLAGS) -lpthread -o $(OBJ_NAME)
sux.o :
$(CC) sux.c -c $(CFLAGS) -o sux.o
opcode.o :
diff --git a/opcode.c b/opcode.c
index 4484466..e4bd510 100644
--- a/opcode.c
+++ b/opcode.c
@@ -372,7 +372,7 @@ void bfc(struct sux *cpu, uint8_t flag, uint64_t adr, uint8_t thread) {
uint64_t immaddr(struct sux *cpu, uint8_t thread, uint8_t size) {
uint64_t adr = cpu->pc[thread];
cpu->pc[thread]+=size;
- clk+=size;
+ clk++;
return adr;
}
@@ -386,7 +386,6 @@ uint64_t absaddr(struct sux *cpu, uint8_t thread) {
| (uint64_t)addr[cpu->pc[thread]+6] << 48
| (uint64_t)addr[cpu->pc[thread]+7] << 56;
cpu->pc[thread]+=8;
- ibcount+=8;
clk++;
return adr;
}
@@ -397,11 +396,7 @@ uint32_t zeromtx(struct sux *cpu, uint8_t thread) {
| (uint32_t)addr[cpu->pc[thread]+2] << 16
| (uint32_t)addr[cpu->pc[thread]+3] << 24;
cpu->pc[thread]+=4;
- ibcount+=4;
- if (ibcount > 8) {
- clk++;
- ibcount = 0;
- }
+ clk++;
return adr;
}
@@ -412,11 +407,7 @@ uint32_t zeromx(struct sux *cpu, uint8_t thread) {
| (uint32_t)addr[cpu->pc[thread]+3] << 24;
adr += cpu->x[thread];
cpu->pc[thread]+=4;
- ibcount+=4;
- if (ibcount > 8) {
- clk++;
- ibcount = 0;
- }
+ clk++;
return adr;
}
@@ -427,10 +418,6 @@ uint32_t zeromy(struct sux *cpu, uint8_t thread) {
| (uint32_t)addr[cpu->pc[thread]+3] << 24;
adr += cpu->y[thread];
cpu->pc[thread]+=4;
- ibcount+=4;
- if (ibcount > 8) {
- clk++;
- ibcount = 0;
- }
+ clk++;
return adr;
}
diff --git a/sux.c b/sux.c
index 7bb8661..a38b52a 100644
--- a/sux.c
+++ b/sux.c
@@ -1,27 +1,28 @@
#include "opcode.h"
+#include <assert.h>
+#include <pthread.h>
#define bench 0
#if bench
#include <time.h>
#endif
+#define THREADS 0
+uint64_t inst;
+uint8_t lines[THREADS+1];
+struct sux suxx;
+#if bench
+double ipc;
+time_t str, en;
+#endif
+
int run(struct sux *cpu, uint8_t prefix, uint8_t opcode, uint8_t thread) {
uint64_t address;
uint8_t rs = (prefix & 0x30) >> 4;
uint8_t regsize = (1 << rs);
uint8_t tmp;
address = cpu->pc[thread];
-#if !bench
- printf("pc: 0x%llx, a: 0x%016llx, x: 0x%016llx, y: 0x%016llx"
- ", sp: 0x%04lx, ps: 0x%016llx, opcode: 0x%02x, inst: %s\n"
- , cpu->pc[thread], cpu->a[thread], cpu->x[thread], cpu->y[thread]
- , cpu->sp, cpu->ps, opcode, opname[opcode]);
- fflush(stdout);
-#endif
cpu->pc[thread]++;
- if (ibcount > 8) {
- clk++;
- ibcount = 0;
- }
+ clk++;
switch(opcode) {
case CPS: /* Clear Processor Status. */
for (uint8_t i = 0; i < 8; i++) {
@@ -362,109 +363,115 @@ int run(struct sux *cpu, uint8_t prefix, uint8_t opcode, uint8_t thread) {
return 1;
}
-int main(int argc, char **argv) {
-
- struct sux cpu;
- cpu.a[0] = 0;
- cpu.x[0] = 0;
- cpu.y[0] = 0;
- cpu.sp = 0xFFFF;
- ibcount = 0;
- addr = malloc(8*0x04000000);
- int v = 0;
- if (asmmon() == 2)
- return 0;
-
-#if 0
- /* Reset Vector. */
- addr[0xFFC0] = 0x00;
- addr[0xFFC1] = 0x80;
- addr[0xFFC2] = 0x00;
- addr[0xFFC3] = 0x00;
- addr[0xFFC4] = 0x00;
- addr[0xFFC5] = 0x00;
- addr[0xFFC6] = 0x00;
- addr[0xFFC7] = 0x00;
-#endif
-#if 0
- /* BRK Vector. */
- addr[0xFFE0] = 0x00;
- addr[0xFFE1] = 0x80;
- addr[0xFFE2] = 0x02;
- addr[0xFFE3] = 0x00;
- addr[0xFFE4] = 0x00;
- addr[0xFFE5] = 0x00;
- addr[0xFFE6] = 0x00;
- addr[0xFFE7] = 0x00;
-#endif
- cpu.pc[0] = (uint64_t)addr[0xFFC0]
- | (uint64_t)addr[0xFFC1] << 8
- | (uint64_t)addr[0xFFC2] << 16
- | (uint64_t)addr[0xFFC3] << 24
- | (uint64_t)addr[0xFFC4] << 32
- | (uint64_t)addr[0xFFC5] << 40
- | (uint64_t)addr[0xFFC6] << 48
- | (uint64_t)addr[0xFFC7] << 56;
- uint64_t inst = 0;
- uint8_t lines = 2;
+void *threads(void *args) {
+ uint8_t thread = *((uint8_t *) args);
uint8_t prefix = 0;
uint8_t opcode = 0;
- uint8_t end = 0;
-#if bench
- double ipc;
- clock_t st, en;
- double t0;
-#endif
- printf("\033[2J");
+
#if bench
- st = clock();
-#endif
+ uint8_t end = 0;
while (!end) {
- prefix = addr[cpu.pc[0]];
+#endif
+ prefix = addr[suxx.pc[thread]];
+
if ((prefix & 0x07) == 0x07) {
- cpu.pc[0]++;
- ibcount++;
+ suxx.pc[thread]++;
}
- opcode = addr[cpu.pc[0]];
- ibcount++;
+
+ opcode = addr[suxx.pc[thread]];
#if !bench
- printf("\033[%uH\033[2K", lines);
- lines++;
+ printf("\033[%uH\033[2K"
+ "pc: 0x%08llx, a: 0x%016llx, x: 0x%016llx, y: 0x%016llx"
+ ", sp: 0x%04lx, ps: 0x%016llx, opcode: 0x%02x, thread: %u, inst: %s\n"
+ , lines[thread]
+ , suxx.pc[thread], suxx.a[thread], suxx.x[thread], suxx.y[thread]
+ , suxx.sp, suxx.ps, opcode, thread, opname[opcode]);
+ fflush(stdout);
+ lines[thread]++;
+ if (lines[thread] > 6*(thread+1))
+ lines[thread] = (6*thread)+2;
#endif
if ((prefix & 0x07) == 0x07)
- run(&cpu, prefix-7, opcode, 0);
+ run(&suxx, prefix-7, opcode, thread);
else
- run(&cpu, 0, opcode, 0);
-#if !bench
- if (lines > 24)
- lines = 2;
+ run(&suxx, 0, opcode, thread);
+
+ inst++;
+#if bench
+ if (inst >= 10000000) {
+ end = 1;
+ }
+ }
#endif
+}
+
+
+
+int main(int argc, char **argv) {
+ suxx.a[0] = 0;
+ suxx.x[0] = 0;
+ suxx.y[0] = 0;
+ suxx.sp = 0xFFFF;
+ ibcount = 0;
+ addr = malloc(8*0x04000000);
+ int v = 0;
+
+ if (asmmon() == 2)
+ return 0;
+
+ for (int i = 0; i < THREADS+1; i++) {
+ suxx.a[i] = 0;
+ suxx.x[i] = 0;
+ suxx.y[i] = 0;
+ suxx.pc[i] = (uint64_t)addr[0xFFC0]
+ | (uint64_t)addr[0xFFC1] << 8
+ | (uint64_t)addr[0xFFC2] << 16
+ | (uint64_t)addr[0xFFC3] << 24
+ | (uint64_t)addr[0xFFC4] << 32
+ | (uint64_t)addr[0xFFC5] << 40
+ | (uint64_t)addr[0xFFC6] << 48
+ | (uint64_t)addr[0xFFC7] << 56;
+ }
+ for (int i = 0; i < THREADS+1; i++)
+ lines[i] = (6*i)+2;
+ inst = 0;
+ pthread_t therads[THREADS+1];
+ int result;
+ uint8_t throds[THREADS+1];
+ printf("\033[2J");
#if bench
- t0 = ((double)clock() - (double)st)/(double)CLOCKS_PER_SEC;
+ str=clock();
+#else
+ uint8_t end = 0;
+ while (!end) {
#endif
- inst++;
+ for (int i = 0; i < THREADS+1; i++) {
+ throds[i] = i;
+ result = pthread_create(&therads[i], NULL, threads, &throds[i]);
+ assert(!result);
+ }
+
+ for (int i = 0; i < THREADS+1; i++) {
+ result = pthread_join(therads[i], NULL);
+ assert(!result);
+ }
#if !bench
- printf("\033[HInstruction bytes: %x, Instructions executed: %llu, Clock cycles: %llu\n", ibcount, inst, clk);
+ printf("\033[HInstructions executed: %llu, Clock cycles: %llu\n", inst, clk);
fflush(stdout);
#endif
-#if bench
- if (t0 >= 1.00) {
- end = 1;
- }
-#endif
- if (ibcount >= 7)
- ibcount = 0;
+#if !bench
}
+#endif
#if bench
- en = (double)clock();
- double tm = (double)(en - st);
- double clkspd = (t0*1000000)/clk;
+ en=clock();
+ double tm = (en-str)/1+THREADS;
+ double clkspd = ((tm/CLOCKS_PER_SEC)*1000000)/clk;
double mhz = 1000000.0/clkspd/1000000;
double ips = (double)inst/(double)tm;
ipc=(double)inst/(double)clk;
printf("\033[2J");
- printf("Instructions executed: %llu, Instructions per Second in MIPS: %f, Clock cycles: %llu, Clock Speed in MHz: %f\n", inst, ips, clk, mhz);
+ printf("Instructions executed: %llu, Instructions per Second in MIPS: %f, Clock cycles: %llu, Clock Speed in MHz: %f, tm: %f\n", inst, ips, clk, mhz, tm/CLOCKS_PER_SEC);
#endif
free(addr);
return 0;
generated by cgit v1.2.3-13-gbd6f (git 2.30.0) at 2024-12-26 19:21:35 +0000