Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 226 insertions, 0 deletions

diff --git a/src/isa-l/mem/mem_zero_detect_test.c b/src/isa-l/mem/mem_zero_detect_test.c
new file mode 100644
index 000000000..12d5f4bdb
--- /dev/null
+++ b/src/isa-l/mem/mem_zero_detect_test.c
@@ -0,0 +1,226 @@
+/**********************************************************************
+  Copyright(c) 2011-2018 Intel Corporation All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in
+      the documentation and/or other materials provided with the
+      distribution.
+    * Neither the name of Intel Corporation nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+**********************************************************************/
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <limits.h>
+#include "mem_routines.h"
+#include "types.h"
+
+#define TEST_MEM  10*1024*1024
+#define TEST_LEN  8*1024
+#define RAND_ALIGN   32
+#define BORDER_BYTES (5*RAND_ALIGN + 7)
+
+#ifndef RANDOMS
+# define RANDOMS 2000
+#endif
+#ifndef TEST_SEED
+# define TEST_SEED 0x1234
+#endif
+
+int main(int argc, char *argv[])
+{
+	int i, j, sign;
+	long long r, l;
+	void *buf;
+	unsigned char *a;
+	int failures = 0, ret_neg = 1;
+
+	printf("mem_zero_detect_test %d bytes, %d randoms, seed=0x%x ", TEST_MEM, RANDOMS,
+	       TEST_SEED);
+	if (posix_memalign(&buf, 64, TEST_MEM)) {
+		printf("alloc error: Fail");
+		return -1;
+	}
+
+	srand(TEST_SEED);
+
+	// Test full zero buffer
+	memset(buf, 0, TEST_MEM);
+	failures = isal_zero_detect(buf, TEST_MEM);
+
+	if (failures) {
+		printf("Fail large buf test\n");
+		return failures;
+	}
+	putchar('.');
+
+	// Test small buffers
+	for (i = 0; i < TEST_LEN; i++) {
+		failures |= isal_zero_detect(buf, i);
+		if (failures) {
+			printf("Fail len=%d\n", i);
+			return failures;
+		}
+	}
+	putchar('.');
+
+	// Test small buffers near end of alloc region
+	a = buf;
+	for (i = 0; i < TEST_LEN; i++)
+		failures |= isal_zero_detect(&a[TEST_LEN - i], i);
+
+	if (failures) {
+		printf("Fail:\n");
+		return failures;
+	}
+	putchar('.');
+
+	// Test for detect non zero
+	a[TEST_MEM / 2] = 1;
+	ret_neg = isal_zero_detect(a, TEST_MEM);
+	if (ret_neg == 0) {
+		printf("Fail on not detect\n");
+		return -1;
+	}
+	a[TEST_MEM / 2] = 0;
+	putchar('.');
+
+	// Test various non-zero offsets
+	for (i = 0; i < BORDER_BYTES; i++) {
+		for (j = 0; j < CHAR_BIT; j++) {
+			a[i] = 1 << j;
+			ret_neg = isal_zero_detect(a, TEST_MEM);
+			if (ret_neg == 0) {
+				printf("Fail on not detect offsets %d, %d\n", i, j);
+				return -1;
+			}
+			a[i] = 0;
+		}
+	}
+	putchar('.');
+	fflush(0);
+
+	// Test random non-zero offsets
+	for (i = 0; i < RANDOMS; i++) {
+		r = rand();
+		r = (r % TEST_LEN) ^ (r & (RAND_ALIGN - 1));
+		if (r >= TEST_LEN)
+			continue;
+
+		a[r] = 1 << (r & (CHAR_BIT - 1));
+		ret_neg = isal_zero_detect(a, TEST_MEM);
+		if (ret_neg == 0) {
+			printf("Fail on not detect rand %d, e=%lld\n", i, r);
+			return -1;
+		}
+		a[r] = 0;
+	}
+	putchar('.');
+	fflush(0);
+
+	// Test putting non-zero byte at end of buffer
+	for (i = 1; i < BORDER_BYTES; i++) {
+		for (j = 0; j < CHAR_BIT; j++) {
+			a[TEST_MEM - i] = 1 << j;
+			ret_neg = isal_zero_detect(a, TEST_MEM);
+			if (ret_neg == 0) {
+				printf("Fail on not detect rand offset=%d, idx=%d\n", i, j);
+				return -1;
+			}
+			a[TEST_MEM - i] = 0;
+		}
+	}
+	putchar('.');
+
+	// Test various size buffers and non-zero offsets
+	for (l = 1; l < TEST_LEN; l++) {
+		for (i = 0; i < l + BORDER_BYTES; i++) {
+			failures = isal_zero_detect(a, l);
+
+			if (failures) {
+				printf("Fail on detect non-zero with l=%lld\n", l);
+				return -1;
+			}
+
+			a[i] = 1;
+			ret_neg = isal_zero_detect(a, l);
+
+			if ((i < l) && (ret_neg == 0)) {
+				printf("Fail on non-zero buffer l=%lld err=%d\n", l, i);
+				return -1;
+			}
+			if ((i >= l) && (ret_neg != 0)) {
+				printf("Fail on bad pass detect l=%lld err=%d\n", l, i);
+				return -1;
+			}
+			a[i] = 0;
+		}
+	}
+	putchar('.');
+
+	// Test random test size and non-zero error offsets
+	for (i = 0; i < RANDOMS; i++) {
+		r = rand();
+		r = (r % TEST_LEN) ^ (r & (RAND_ALIGN - 1));
+		l = r + 1 + (rand() & (CHAR_BIT - 1));
+		a[r] = 1 << (r & (CHAR_BIT - 1));
+		ret_neg = isal_zero_detect(a, l);
+		if (ret_neg == 0) {
+			printf("Fail on not detect rand %d, l=%lld, e=%lld\n", i, l, r);
+			return -1;
+		}
+		a[r] = 0;
+	}
+	putchar('.');
+	fflush(0);
+
+	// Test combinations of zero and non-zero buffers
+	for (i = 0; i < RANDOMS; i++) {
+		r = rand();
+		r = (r % TEST_LEN) ^ (r & (RAND_ALIGN - 1));
+		sign = rand() & 1 ? 1 : -1;
+		l = r + sign * (rand() & (2 * RAND_ALIGN - 1));
+
+		if ((l >= TEST_LEN) || (l < 0) || (r >= TEST_LEN))
+			continue;
+
+		a[r] = 1 << (r & (CHAR_BIT - 1));
+		ret_neg = isal_zero_detect(a, l);
+
+		if ((r < l) && (ret_neg == 0)) {
+			printf("Fail on non-zero rand buffer %d, l=%lld, e=%lld\n", i, l, r);
+			return -1;
+		}
+		if ((r >= l) && (ret_neg != 0)) {
+			printf("Fail on bad pass zero detect rand %d, l=%lld, e=%lld\n", i, l,
+			       r);
+			return -1;
+		}
+
+		a[r] = 0;
+	}
+	putchar('.');
+	fflush(0);
+
+	printf(failures == 0 ? " Pass\n" : " Fail\n");
+	return failures;
+}