Refactor crossystem to move x86-specific implementation to its own file.

host/arch/arm/lib/crossystem_arch.c

+/* Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <ctype.h>
+
+#include "host_common.h"
+
+#include "crossystem.h"
+#include "crossystem_arch.h"
+#include "utility.h"
+#include "vboot_common.h"
+#include "vboot_nvstorage.h"
+#include "vboot_struct.h"
+
+
+int VbReadNvStorage(VbNvContext* vnc) {
+  /* TODO: IMPLEMENT ME! */
+  return -1;
+}
+
+
+int VbWriteNvStorage(VbNvContext* vnc) {
+  /* TODO: IMPLEMENT ME! */
+  return -1;
+}
+
+
+VbSharedDataHeader* VbSharedDataRead(void) {
+  /* TODO: IMPLEMENT ME! */
+  return NULL;
+}
+
+
+int VbGetArchPropertyInt(const char* name) {
+
+  /* TODO: IMPLEMENT ME!  For now, return reasonable defaults for
+   * values where reasonable defaults exist. */
+  if (!strcasecmp(name,"recovery_reason")) {
+  } else if (!strcasecmp(name,"fmap_base")) {
+  }
+  /* Switch positions */
+  else if (!strcasecmp(name,"devsw_cur")) {
+    return 1;
+  } else if (!strcasecmp(name,"recoverysw_cur")) {
+    return 0;
+  } else if (!strcasecmp(name,"wpsw_cur")) {
+    return 1;
+  } else if (!strcasecmp(name,"devsw_boot")) {
+    return 1;
+  } else if (!strcasecmp(name,"recoverysw_boot")) {
+    return 0;
+  } else if (!strcasecmp(name,"recoverysw_ec_boot")) {
+    return 0;
+  } else if (!strcasecmp(name,"wpsw_boot")) {
+    return 1;
+  }
+
+  /* Saved memory is at a fixed location for all H2C BIOS.  If the CHSW
+   * path exists in sysfs, it's a H2C BIOS. */
+  else if (!strcasecmp(name,"savedmem_base")) {
+  } else if (!strcasecmp(name,"savedmem_size")) {
+  }
+
+  return -1;
+}
+
+
+const char* VbGetArchPropertyString(const char* name, char* dest, int size) {
+  /* TODO: IMPLEMENT ME!  For now, return reasonable defaults for
+   * values where reasonable defaults exist. */
+  if (!strcasecmp(name,"hwid")) {
+    return StrCopy(dest, "UnknownArmHwid", size);
+  } else if (!strcasecmp(name,"fwid")) {
+    return StrCopy(dest, "UnknownArmFwid", size);
+  } else if (!strcasecmp(name,"ro_fwid")) {
+    return StrCopy(dest, "UnknownArmRoFwid", size);
+  } else if (!strcasecmp(name,"mainfw_act")) {
+    return StrCopy(dest, "A", size);
+  } else if (!strcasecmp(name,"mainfw_type")) {
+    return StrCopy(dest, "developer", size);
+  } else if (!strcasecmp(name,"ecfw_act")) {
+    return StrCopy(dest, "RO", size);
+  }
+
+  return NULL;
+}
+
+
+int VbSetArchPropertyInt(const char* name, int value) {
+  /* TODO: IMPLEMENT ME! */
+  return -1;
+}
+
+
+int VbSetArchPropertyString(const char* name, const char* value) {
+  /* If there were settable architecture-dependent string properties,
+   * they'd be here. */
+  return -1;
+}