--- /dev/null
+/*
+ * libfdt - Flat Device Tree manipulation
+ * Testcase common utility functions
+ * Copyright (C) 2006 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
+ */
+
+#define _GNU_SOURCE /* for strsignal() in glibc. FreeBSD has it either way */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <limits.h>
+#include <string.h>
+#include <errno.h>
+#include <signal.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include <libfdt.h>
+
+#include "tests.h"
+
+int verbose_test = 1;
+char *test_name;
+
+void __attribute__((weak)) cleanup(void)
+{
+}
+
+static void sigint_handler(int signum, siginfo_t *si, void *uc)
+{
+ cleanup();
+ fprintf(stderr, "%s: %s (pid=%d)\n", test_name,
+ strsignal(signum), getpid());
+ exit(RC_BUG);
+}
+
+void test_init(int argc, char *argv[])
+{
+ int err;
+ struct sigaction sa_int = {
+ .sa_sigaction = sigint_handler,
+ };
+
+ test_name = argv[0];
+
+ err = sigaction(SIGINT, &sa_int, NULL);
+ if (err)
+ FAIL("Can't install SIGINT handler");
+
+ if (getenv("QUIET_TEST"))
+ verbose_test = 0;
+
+ verbose_printf("Starting testcase \"%s\", pid %d\n",
+ test_name, getpid());
+}
+
+void check_mem_rsv(void *fdt, int n, uint64_t addr, uint64_t size)
+{
+ int err;
+ uint64_t addr_v, size_v;
+
+ err = fdt_get_mem_rsv(fdt, n, &addr_v, &size_v);
+ if (err < 0)
+ FAIL("fdt_get_mem_rsv(%d): %s", n, fdt_strerror(err));
+ if ((addr_v != addr) || (size_v != size))
+ FAIL("fdt_get_mem_rsv() returned (0x%llx,0x%llx) "
+ "instead of (0x%llx,0x%llx)",
+ (unsigned long long)addr_v, (unsigned long long)size_v,
+ (unsigned long long)addr, (unsigned long long)size);
+}
+
+void check_property(void *fdt, int nodeoffset, const char *name,
+ int len, const void *val)
+{
+ const struct fdt_property *prop;
+ int retlen;
+ uint32_t tag, nameoff, proplen;
+ const char *propname;
+
+ verbose_printf("Checking property \"%s\"...", name);
+ prop = fdt_get_property(fdt, nodeoffset, name, &retlen);
+ verbose_printf("pointer %p\n", prop);
+ if (! prop)
+ FAIL("Error retreiving \"%s\" pointer: %s", name,
+ fdt_strerror(retlen));
+
+ tag = fdt32_to_cpu(prop->tag);
+ nameoff = fdt32_to_cpu(prop->nameoff);
+ proplen = fdt32_to_cpu(prop->len);
+
+ if (tag != FDT_PROP)
+ FAIL("Incorrect tag 0x%08x on property \"%s\"", tag, name);
+
+ propname = fdt_string(fdt, nameoff);
+ if (!propname || !streq(propname, name))
+ FAIL("Property name mismatch \"%s\" instead of \"%s\"",
+ propname, name);
+ if (proplen != retlen)
+ FAIL("Length retrieved for \"%s\" by fdt_get_property()"
+ " differs from stored length (%d != %d)",
+ name, retlen, proplen);
+ if (proplen != len)
+ FAIL("Size mismatch on property \"%s\": %d insead of %d",
+ name, proplen, len);
+ if (memcmp(val, prop->data, len) != 0)
+ FAIL("Data mismatch on property \"%s\"", name);
+}
+
+const void *check_getprop(void *fdt, int nodeoffset, const char *name,
+ int len, const void *val)
+{
+ const void *propval;
+ int proplen;
+
+ propval = fdt_getprop(fdt, nodeoffset, name, &proplen);
+ if (! propval)
+ FAIL("fdt_getprop(\"%s\"): %s", name, fdt_strerror(proplen));
+
+ if (proplen != len)
+ FAIL("Size mismatch on property \"%s\": %d insead of %d",
+ name, proplen, len);
+ if (memcmp(val, propval, len) != 0)
+ FAIL("Data mismatch on property \"%s\"", name);
+
+ return propval;
+}
+
+int nodename_eq(const char *s1, const char *s2)
+{
+ int len = strlen(s2);
+
+ len = strlen(s2);
+ if (strncmp(s1, s2, len) != 0)
+ return 0;
+ if (s1[len] == '\0')
+ return 1;
+ else if (!memchr(s2, '@', len) && (s1[len] == '@'))
+ return 1;
+ else
+ return 0;
+}
+
+#define CHUNKSIZE 128
+
+void *load_blob(const char *filename)
+{
+ char *blob;
+ int ret = utilfdt_read_err(filename, &blob);
+
+ if (ret)
+ CONFIG("Couldn't open blob from \"%s\": %s", filename,
+ strerror(ret));
+ return blob;
+}
+
+void *load_blob_arg(int argc, char *argv[])
+{
+ if (argc != 2)
+ CONFIG("Usage: %s <dtb file>", argv[0]);
+ return load_blob(argv[1]);
+}
+
+void save_blob(const char *filename, void *fdt)
+{
+ int ret = utilfdt_write_err(filename, fdt);
+
+ if (ret)
+ CONFIG("Couldn't write blob to \"%s\": %s", filename,
+ strerror(ret));
+}
+
+void *open_blob_rw(void *blob)
+{
+ int err;
+ void *buf = blob;
+
+ err = fdt_open_into(blob, buf, fdt_totalsize(blob));
+ if (err == -FDT_ERR_NOSPACE) {
+ /* Ran out of space converting to v17 */
+ int newsize = fdt_totalsize(blob) + 8;
+
+ buf = xmalloc(newsize);
+ err = fdt_open_into(blob, buf, newsize);
+ }
+ if (err)
+ FAIL("fdt_open_into(): %s", fdt_strerror(err));
+ return buf;
+}
Code Review / kvmfornfv.git / blobdiff