URL
https://opencores.org/ocsvn/or1k_old/or1k_old/trunk
Subversion Repositories or1k_old
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- This comparison shows the changes necessary to convert path
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- from Rev 966 to Rev 967
- ↔ Reverse comparison
Rev 966 → Rev 967
/trunk/orp/orp_soc/sw/mul/Makefile
0,0 → 1,62
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cases = mul-nocache-O0 mul-nocache-O2 mul-ic-O0 mul-ic-O2 mul-dc-O0 mul-dc-O2 mul-icdc-O2 mul-icdc-O0 |
common = ../support/libsupport.a |
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all: $(cases) |
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mul-nocache-O0: mul-O0.o ../support/reset-nocache.o $(common) |
or32-rtems-ld -T ../support/orp.ld $? -o $@.or32 |
or32-rtems-objcopy -O binary $@.or32 $@.bin |
../utils/bin2hex $@.bin > $@.hex |
cp $@.hex ../../sim/src/ |
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mul-nocache-O2: mul-O2.o ../support/reset-nocache.o $(common) |
or32-rtems-ld -T ../support/orp.ld $? -o $@.or32 |
or32-rtems-objcopy -O binary $@.or32 $@.bin |
../utils/bin2hex $@.bin > $@.hex |
cp $@.hex ../../sim/src/ |
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mul-ic-O0: mul-O0.o ../support/reset-ic.o $(common) |
or32-rtems-ld -T ../support/orp.ld $? -o $@.or32 |
or32-rtems-objcopy -O binary $@.or32 $@.bin |
../utils/bin2hex $@.bin > $@.hex |
cp $@.hex ../../sim/src/ |
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mul-ic-O2: mul-O2.o ../support/reset-ic.o $(common) |
or32-rtems-ld -T ../support/orp.ld $? -o $@.or32 |
or32-rtems-objcopy -O binary $@.or32 $@.bin |
../utils/bin2hex $@.bin > $@.hex |
cp $@.hex ../../sim/src/ |
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mul-dc-O0: mul-O0.o ../support/reset-dc.o $(common) |
or32-rtems-ld -T ../support/orp.ld $? -o $@.or32 |
or32-rtems-objcopy -O binary $@.or32 $@.bin |
../utils/bin2hex $@.bin > $@.hex |
cp $@.hex ../../sim/src/ |
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mul-dc-O2: mul-O2.o ../support/reset-dc.o $(common) |
or32-rtems-ld -T ../support/orp.ld $? -o $@.or32 |
or32-rtems-objcopy -O binary $@.or32 $@.bin |
../utils/bin2hex $@.bin > $@.hex |
cp $@.hex ../../sim/src/ |
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mul-icdc-O0: mul-O0.o ../support/reset-icdc.o $(common) |
or32-rtems-ld -T ../support/orp.ld $? -o $@.or32 |
or32-rtems-objcopy -O binary $@.or32 $@.bin |
../utils/bin2hex $@.bin > $@.hex |
cp $@.hex ../../sim/src/ |
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mul-icdc-O2: mul-O2.o ../support/reset-icdc.o $(common) |
or32-rtems-ld -T ../support/orp.ld $? -o $@.or32 |
or32-rtems-objcopy -O binary $@.or32 $@.bin |
../utils/bin2hex $@.bin > $@.hex |
cp $@.hex ../../sim/src/ |
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mul-O0.o: mul.c |
or32-rtems-gcc -I../support -O0 $? -c -o $@ |
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mul-O2.o: mul.c |
or32-rtems-gcc -I../support -O2 $? -c -o $@ |
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clean: |
rm -f *.o *.or32 *.log *.bin *.hex *.log stdout.txt |
/trunk/orp/orp_soc/sw/mul/mul.c
0,0 → 1,125
/* Test l.mul, l.mac and l.macrc instructions */ |
#include "support.h" |
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#define T1 0xa6312f33 |
#define T2 0x0d4de375 |
#define T3 0x61ab48dc |
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#ifndef OR1K |
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#include <stdlib.h> |
#define LONGEST long long |
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LONGEST acc = 0; |
#define MAC(x,y) {\ |
printf ("[%08x,%08x]\t", (unsigned long)(x), (unsigned long)(y));\ |
acc += (LONGEST)(x) * (LONGEST)(y);\ |
printf ("(%08x,%08x)\n", (unsigned long)(acc >> 32), (unsigned long)(acc & 0xffffffff));\ |
} |
#define MACRC (macrc()) |
static inline long macrc() { |
long result = acc >> 28; |
//printf ("<%08x>\n", (unsigned long)result); |
acc = 0; |
return result; |
} |
#else /* OR1K */ |
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#define MAC(x,y) asm volatile ("l.mac\t%0,%1" : : "r" (x), "r" (y)) |
#define MACRC macrc() |
static inline long macrc() { |
long x; |
asm volatile ("l.macrc\t%0" : "=r" (x)); |
return x; |
} |
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#endif /* SIM */ |
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long test_mul (long a, long b) { |
long t; |
int i; |
for (i = 0; i < 100; i++) { |
t = a * b; |
t += 153; |
a = t - a * 17; |
b = t + b * 13333; |
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/*printf ("(%08x,%08x)", a, b);*/ |
} |
return a; |
} |
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long test_mac (long a, long b) { |
long t = 1234567; |
int i; |
for (i = 0; i < 100; i++) { |
MAC (a, b); |
if (i & 3) { |
a = t - a; |
b = t + a; |
} else { |
a = MACRC; |
report(a); |
} |
MAC (a, 3); |
MAC (a, 5); |
MAC (a, 7); |
//printf ("(%08x,%08x)", a, b); |
} |
return a; |
} |
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long test_mul_mac (long a, long b) { |
long t = 1; |
int i; |
for (i = 0; i < 100; i++) { |
a = a * 119; |
MAC (a, b); |
MAC (b, 423490431); |
MAC (b, 113); |
MAC (a, 997); |
b = 87 * a * t; |
if (i & 3) { |
t = a * b; |
a = t - a; |
b = t + a; |
} else { |
a = MACRC; |
} |
// printf ("(%08x,%08x)", a, b); |
} |
return a; |
} |
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int main () { |
unsigned t1; |
unsigned t2; |
unsigned t3; |
/* |
report (MACRC); |
MAC ((unsigned long)888888887, (unsigned long)0x87654321); |
report (MACRC); |
MAC ((unsigned long)888888887, (unsigned long)0x87654321); |
MAC ((unsigned long)888888887, (unsigned long)0x87654321); |
report (MACRC); |
exit(0); |
*/ |
printf ("%8x\n", MACRC); |
t1 = test_mul (888888887, 0x87654321); |
t2 = test_mac (888888887, 0x87654321); |
t3 = test_mul_mac (888888887, 0x87654321); |
printf ("%08x, expected %08x\n", t1, T1); |
printf ("%08x, expected %08x\n", t2, T2); |
printf ("%08x, expected %08x\n", t3, T3); |
report (t1 ^ t2 ^ t3 ^ T1 ^ T2 ^ T3 ^ 0xdeaddead); |
if (t1 != T1 || t2 != T2 || t3 != T3) { |
printf ("Test failed!\n"); |
if (t1 != T1) exit (1); |
if (t2 != T2) exit (2); |
if (t3 != T3) exit (3); |
} else { |
printf ("Test succesful.\n"); |
exit (0); |
} |
exit (0); |
} |