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-rw-r--r--tools/testing/selftests/powerpc/vphn/.gitignore1
-rw-r--r--tools/testing/selftests/powerpc/vphn/Makefile9
-rw-r--r--tools/testing/selftests/powerpc/vphn/test-vphn.c411
l---------tools/testing/selftests/powerpc/vphn/vphn.c1
l---------tools/testing/selftests/powerpc/vphn/vphn.h1
5 files changed, 423 insertions, 0 deletions
diff --git a/tools/testing/selftests/powerpc/vphn/.gitignore b/tools/testing/selftests/powerpc/vphn/.gitignore
new file mode 100644
index 000000000..7c0439501
--- /dev/null
+++ b/tools/testing/selftests/powerpc/vphn/.gitignore
@@ -0,0 +1 @@
+test-vphn
diff --git a/tools/testing/selftests/powerpc/vphn/Makefile b/tools/testing/selftests/powerpc/vphn/Makefile
new file mode 100644
index 000000000..fb82068c9
--- /dev/null
+++ b/tools/testing/selftests/powerpc/vphn/Makefile
@@ -0,0 +1,9 @@
+TEST_GEN_PROGS := test-vphn
+
+CFLAGS += -m64
+
+top_srcdir = ../../../../..
+include ../../lib.mk
+
+$(TEST_GEN_PROGS): ../harness.c
+
diff --git a/tools/testing/selftests/powerpc/vphn/test-vphn.c b/tools/testing/selftests/powerpc/vphn/test-vphn.c
new file mode 100644
index 000000000..81d3069ff
--- /dev/null
+++ b/tools/testing/selftests/powerpc/vphn/test-vphn.c
@@ -0,0 +1,411 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <stdio.h>
+#include <byteswap.h>
+#include "utils.h"
+#include "subunit.h"
+
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+#define cpu_to_be32(x) bswap_32(x)
+#define be32_to_cpu(x) bswap_32(x)
+#define be16_to_cpup(x) bswap_16(*x)
+#define cpu_to_be64(x) bswap_64(x)
+#else
+#define cpu_to_be32(x) (x)
+#define be32_to_cpu(x) (x)
+#define be16_to_cpup(x) (*x)
+#define cpu_to_be64(x) (x)
+#endif
+
+#include "vphn.c"
+
+static struct test {
+ char *descr;
+ long input[VPHN_REGISTER_COUNT];
+ u32 expected[VPHN_ASSOC_BUFSIZE];
+} all_tests[] = {
+ {
+ "vphn: no data",
+ {
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ },
+ {
+ 0x00000000
+ }
+ },
+ {
+ "vphn: 1 x 16-bit value",
+ {
+ 0x8001ffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ },
+ {
+ 0x00000001,
+ 0x00000001
+ }
+ },
+ {
+ "vphn: 2 x 16-bit values",
+ {
+ 0x80018002ffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ },
+ {
+ 0x00000002,
+ 0x00000001,
+ 0x00000002
+ }
+ },
+ {
+ "vphn: 3 x 16-bit values",
+ {
+ 0x800180028003ffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ },
+ {
+ 0x00000003,
+ 0x00000001,
+ 0x00000002,
+ 0x00000003
+ }
+ },
+ {
+ "vphn: 4 x 16-bit values",
+ {
+ 0x8001800280038004,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ },
+ {
+ 0x00000004,
+ 0x00000001,
+ 0x00000002,
+ 0x00000003,
+ 0x00000004
+ }
+ },
+ {
+ /* Parsing the next 16-bit value out of the next 64-bit input
+ * value.
+ */
+ "vphn: 5 x 16-bit values",
+ {
+ 0x8001800280038004,
+ 0x8005ffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ },
+ {
+ 0x00000005,
+ 0x00000001,
+ 0x00000002,
+ 0x00000003,
+ 0x00000004,
+ 0x00000005
+ }
+ },
+ {
+ /* Parse at most 6 x 64-bit input values */
+ "vphn: 24 x 16-bit values",
+ {
+ 0x8001800280038004,
+ 0x8005800680078008,
+ 0x8009800a800b800c,
+ 0x800d800e800f8010,
+ 0x8011801280138014,
+ 0x8015801680178018
+ },
+ {
+ 0x00000018,
+ 0x00000001,
+ 0x00000002,
+ 0x00000003,
+ 0x00000004,
+ 0x00000005,
+ 0x00000006,
+ 0x00000007,
+ 0x00000008,
+ 0x00000009,
+ 0x0000000a,
+ 0x0000000b,
+ 0x0000000c,
+ 0x0000000d,
+ 0x0000000e,
+ 0x0000000f,
+ 0x00000010,
+ 0x00000011,
+ 0x00000012,
+ 0x00000013,
+ 0x00000014,
+ 0x00000015,
+ 0x00000016,
+ 0x00000017,
+ 0x00000018
+ }
+ },
+ {
+ "vphn: 1 x 32-bit value",
+ {
+ 0x00000001ffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff
+ },
+ {
+ 0x00000001,
+ 0x00000001
+ }
+ },
+ {
+ "vphn: 2 x 32-bit values",
+ {
+ 0x0000000100000002,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff
+ },
+ {
+ 0x00000002,
+ 0x00000001,
+ 0x00000002
+ }
+ },
+ {
+ /* Parsing the next 32-bit value out of the next 64-bit input
+ * value.
+ */
+ "vphn: 3 x 32-bit values",
+ {
+ 0x0000000100000002,
+ 0x00000003ffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff
+ },
+ {
+ 0x00000003,
+ 0x00000001,
+ 0x00000002,
+ 0x00000003
+ }
+ },
+ {
+ /* Parse at most 6 x 64-bit input values */
+ "vphn: 12 x 32-bit values",
+ {
+ 0x0000000100000002,
+ 0x0000000300000004,
+ 0x0000000500000006,
+ 0x0000000700000008,
+ 0x000000090000000a,
+ 0x0000000b0000000c
+ },
+ {
+ 0x0000000c,
+ 0x00000001,
+ 0x00000002,
+ 0x00000003,
+ 0x00000004,
+ 0x00000005,
+ 0x00000006,
+ 0x00000007,
+ 0x00000008,
+ 0x00000009,
+ 0x0000000a,
+ 0x0000000b,
+ 0x0000000c
+ }
+ },
+ {
+ "vphn: 16-bit value followed by 32-bit value",
+ {
+ 0x800100000002ffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff
+ },
+ {
+ 0x00000002,
+ 0x00000001,
+ 0x00000002
+ }
+ },
+ {
+ "vphn: 32-bit value followed by 16-bit value",
+ {
+ 0x000000018002ffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff
+ },
+ {
+ 0x00000002,
+ 0x00000001,
+ 0x00000002
+ }
+ },
+ {
+ /* Parse a 32-bit value split accross two consecutives 64-bit
+ * input values.
+ */
+ "vphn: 16-bit value followed by 2 x 32-bit values",
+ {
+ 0x8001000000020000,
+ 0x0003ffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff
+ },
+ {
+ 0x00000003,
+ 0x00000001,
+ 0x00000002,
+ 0x00000003,
+ 0x00000004,
+ 0x00000005
+ }
+ },
+ {
+ /* The lower bits in 0x0001ffff don't get mixed up with the
+ * 0xffff terminator.
+ */
+ "vphn: 32-bit value has all ones in 16 lower bits",
+ {
+ 0x0001ffff80028003,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff,
+ 0xffffffffffffffff
+ },
+ {
+ 0x00000003,
+ 0x0001ffff,
+ 0x00000002,
+ 0x00000003
+ }
+ },
+ {
+ /* The following input doesn't follow the specification.
+ */
+ "vphn: last 32-bit value is truncated",
+ {
+ 0x0000000100000002,
+ 0x0000000300000004,
+ 0x0000000500000006,
+ 0x0000000700000008,
+ 0x000000090000000a,
+ 0x0000000b800c2bad
+ },
+ {
+ 0x0000000c,
+ 0x00000001,
+ 0x00000002,
+ 0x00000003,
+ 0x00000004,
+ 0x00000005,
+ 0x00000006,
+ 0x00000007,
+ 0x00000008,
+ 0x00000009,
+ 0x0000000a,
+ 0x0000000b,
+ 0x0000000c
+ }
+ },
+ {
+ "vphn: garbage after terminator",
+ {
+ 0xffff2bad2bad2bad,
+ 0x2bad2bad2bad2bad,
+ 0x2bad2bad2bad2bad,
+ 0x2bad2bad2bad2bad,
+ 0x2bad2bad2bad2bad,
+ 0x2bad2bad2bad2bad
+ },
+ {
+ 0x00000000
+ }
+ },
+ {
+ NULL
+ }
+};
+
+static int test_one(struct test *test)
+{
+ __be32 output[VPHN_ASSOC_BUFSIZE] = { 0 };
+ int i, len;
+
+ vphn_unpack_associativity(test->input, output);
+
+ len = be32_to_cpu(output[0]);
+ if (len != test->expected[0]) {
+ printf("expected %d elements, got %d\n", test->expected[0],
+ len);
+ return 1;
+ }
+
+ for (i = 1; i < len; i++) {
+ u32 val = be32_to_cpu(output[i]);
+ if (val != test->expected[i]) {
+ printf("element #%d is 0x%x, should be 0x%x\n", i, val,
+ test->expected[i]);
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+static int test_vphn(void)
+{
+ static struct test *test;
+
+ for (test = all_tests; test->descr; test++) {
+ int ret;
+
+ ret = test_one(test);
+ test_finish(test->descr, ret);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+int main(int argc, char **argv)
+{
+ return test_harness(test_vphn, "test-vphn");
+}
diff --git a/tools/testing/selftests/powerpc/vphn/vphn.c b/tools/testing/selftests/powerpc/vphn/vphn.c
new file mode 120000
index 000000000..186b906e6
--- /dev/null
+++ b/tools/testing/selftests/powerpc/vphn/vphn.c
@@ -0,0 +1 @@
+../../../../../arch/powerpc/mm/vphn.c \ No newline at end of file
diff --git a/tools/testing/selftests/powerpc/vphn/vphn.h b/tools/testing/selftests/powerpc/vphn/vphn.h
new file mode 120000
index 000000000..7131efe38
--- /dev/null
+++ b/tools/testing/selftests/powerpc/vphn/vphn.h
@@ -0,0 +1 @@
+../../../../../arch/powerpc/mm/vphn.h \ No newline at end of file
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-01 20:41:27 +0000