Add qemu 2.4.0

[kvmfornfv.git] / qemu / dtc / tests / integer-expressions.c

diff --git a/qemu/dtc/tests/integer-expressions.c b/qemu/dtc/tests/integer-expressions.c
new file mode 100644 (file)
index 0000000..57e2ff6
--- /dev/null
+++ b/qemu/dtc/tests/integer-expressions.c
@@ -0,0 +1,116 @@
+/*
+ * Testcase for dtc expression support
+ *
+ * Copyright (C) 2008 David Gibson, IBM Corporation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+#include <errno.h>
+
+
+#include <libfdt.h>
+
+#include "tests.h"
+#include "testdata.h"
+
+struct test_expr {
+       const char *expr;
+       uint32_t result;
+} expr_table[] = {
+#define TE(expr)       { #expr, (expr) }
+       TE(0xdeadbeef),
+       TE(-0x21524111),
+       TE(1+1),
+       TE(2*3),
+       TE(4/2),
+       TE(10/3),
+       TE(19%4),
+       TE(1 << 13),
+       TE(0x1000 >> 4),
+       TE(3*2+1), TE(3*(2+1)),
+       TE(1+2*3), TE((1+2)*3),
+       TE(1 < 2), TE(2 < 1), TE(1 < 1),
+       TE(1 <= 2), TE(2 <= 1), TE(1 <= 1),
+       TE(1 > 2), TE(2 > 1), TE(1 > 1),
+       TE(1 >= 2), TE(2 >= 1), TE(1 >= 1),
+       TE(1 == 1), TE(1 == 2),
+       TE(1 != 1), TE(1 != 2),
+       TE(0xabcdabcd & 0xffff0000),
+       TE(0xdead4110 ^ 0xf0f0f0f0),
+       TE(0xabcd0000 | 0x0000abcd),
+       TE(~0x21524110),
+       TE(~~0xdeadbeef),
+       TE(0 && 0), TE(17 && 0), TE(0 && 17), TE(17 && 17),
+       TE(0 || 0), TE(17 || 0), TE(0 || 17), TE(17 || 17),
+       TE(!0), TE(!1), TE(!17), TE(!!0), TE(!!17),
+       TE(0 ? 17 : 39), TE(1 ? 17 : 39), TE(17 ? 0xdeadbeef : 0xabcd1234),
+       TE(11 * 257 * 1321517ULL),
+       TE(123456790 - 4/2 + 17%4),
+};
+
+#define ARRAY_SIZE(x)  (sizeof(x) / sizeof((x)[0]))
+
+int main(int argc, char *argv[])
+{
+       void *fdt;
+       const uint32_t *res;
+       int reslen;
+       int i;
+
+       test_init(argc, argv);
+
+       if ((argc == 3) && (strcmp(argv[1], "-g") == 0)) {
+               FILE *f = fopen(argv[2], "w");
+
+               if (!f)
+                       FAIL("Couldn't open \"%s\" for output: %s\n",
+                            argv[2], strerror(errno));
+
+               fprintf(f, "/dts-v1/;\n");
+               fprintf(f, "/ {\n");
+               fprintf(f, "\texpressions = <\n");
+               for (i = 0; i < ARRAY_SIZE(expr_table); i++)
+                       fprintf(f, "\t\t(%s)\n", expr_table[i].expr);
+               fprintf(f, "\t>;\n");
+               fprintf(f, "};\n");
+               fclose(f);
+       } else {
+               fdt = load_blob_arg(argc, argv);
+
+               res = fdt_getprop(fdt, 0, "expressions", &reslen);
+
+               if (!res)
+                       FAIL("Error retreiving expression results: %s\n",
+                    fdt_strerror(reslen));
+
+               if (reslen != (ARRAY_SIZE(expr_table) * sizeof(uint32_t)))
+                       FAIL("Unexpected length of results %d instead of %zd\n",
+                            reslen, ARRAY_SIZE(expr_table) * sizeof(uint32_t));
+
+               for (i = 0; i < ARRAY_SIZE(expr_table); i++)
+                       if (fdt32_to_cpu(res[i]) != expr_table[i].result)
+                               FAIL("Incorrect result for expression \"%s\","
+                                    " 0x%x instead of 0x%x\n",
+                                    expr_table[i].expr, fdt32_to_cpu(res[i]),
+                                    expr_table[i].result);
+       }
+
+       PASS();
+}