!270 ramdisk增加基础的boybox和mksh，系统异常时可进入shell调试。

Merge pull request !270 from handy/0126

begetd.gni

@@ -14,4 +14,9 @@
 declare_args() {
   param_feature_watcher = true
   param_test = false
+
+  if (defined(product_name) && product_name == "rk3568") {
+    boot_kernel_extended_cmdline =
+        "hardware=rk3568 default_boot_device=fe310000.sdhci"
+  }
 }

interfaces/innerkits/fs_manager/fstab_mount.c

@@ -276,9 +276,11 @@ static int Mount(const char *source, const char *target, const char *fsType,
         if (errno == EAGAIN) {
             BEGET_LOGE("Mount %s to %s failed. try again", source, target);
             continue;
-        } else {
-            break;
         }
+        if (errno == EBUSY) {
+            rc = 0;
+        }
+        break;
     }
     return rc;
 }

services/init/init_config.c

@@ -87,6 +87,7 @@ void ReadConfig(void)
     if (InUpdaterMode() == 0) {
         ParseInitCfg(INIT_CONFIGURATION_FILE, NULL);
         ReadFileInDir(OTHER_CFG_PATH, ".cfg", ParseInitCfg, NULL);
+        ReadFileInDir("/vendor/etc/init", ".cfg", ParseInitCfg, NULL);
     } else {
         ReadFileInDir("/etc", ".cfg", ParseInitCfg, NULL);
     }

services/init/main.c

@@ -33,10 +33,11 @@ int main(int argc, char * const argv[])
         INIT_LOGE("Process id error %d!", getpid());
         return 0;
     }
-    LogInit();
+
     if (isSecondStage == 0) {
         SystemPrepare();
     }
+    LogInit();
     (void)AtlibInit();
     SystemInit();
     SystemExecuteRcs();

services/init/standard/init.c

@@ -121,8 +121,6 @@ void LogInit(void)
     }
 }
 
-#ifndef DISABLE_INIT_TWO_STAGES
-
 static char **GetRequiredDevices(Fstab fstab, int *requiredNum)
 {
     int num = 0;
@@ -167,6 +165,9 @@ static void StartInitSecondStage(void)
 {
     const char *fstabFile = "/etc/fstab.required";
     Fstab *fstab = NULL;
+    if (access(fstabFile, F_OK) != 0) {
+        fstabFile = "/system/etc/fstab.required";
+    }
     INIT_ERROR_CHECK(access(fstabFile, F_OK) == 0, abort(), "Failed get fstab.required");
     fstab = ReadFstabFromFile(fstabFile, false);
     INIT_ERROR_CHECK(fstab != NULL, abort(), "Read fstab file \" %s \" failed\n", fstabFile);
@@ -186,10 +187,13 @@ static void StartInitSecondStage(void)
             // If mount required partitions failure.
             // There is no necessary to continue.
             // Just abort
-            INIT_LOGE("Mount requried partitions failed");
+            INIT_LOGE("Mount requried partitions failed; please check fstab file");
+            // Execute sh for debugging
+            execv("/bin/sh", NULL);
             abort();
         }
     }
+#ifndef DISABLE_INIT_TWO_STAGES
     SwitchRoot("/usr");
     // Execute init second stage
     char * const args[] = {
@@ -201,8 +205,8 @@ static void StartInitSecondStage(void)
         INIT_LOGE("Failed to exec \"/bin/init\", err = %d", errno);
         exit(-1);
     }
-}
 #endif
+}
 
 void SystemPrepare(void)
 {
@@ -210,7 +214,6 @@ void SystemPrepare(void)
     // Make sure init log always output to /dev/kmsg.
     EnableDevKmsg();
     CreateDeviceNode();
-#ifndef DISABLE_INIT_TWO_STAGES
     // Only ohos normal system support
     // two stages of init.
     // If we are in updater mode, only one stage of init,
@@ -218,9 +221,6 @@ void SystemPrepare(void)
     if (InUpdaterMode() == 0) {
         StartInitSecondStage();
     }
-#else
-    INIT_LOGI("DISABLE_INIT_TWO_STAGES defined");
-#endif
 }
 
 void SystemLoadSelinux(void)

services/param/BUILD.gn

@@ -10,6 +10,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+import("//base/startup/init_lite/begetd.gni")
 import("//build/ohos.gni")
 
 declare_args() {
@@ -46,6 +47,10 @@ ohos_static_library("param_service") {
 
   defines = [ "PARAM_SUPPORT_SAVE_PERSIST" ]
 
+  if (defined(boot_kernel_extended_cmdline)) {
+    defines += [ "BOOT_EXTENDED_CMDLINE=\"${boot_kernel_extended_cmdline}\"" ]
+  }
+
   if (param_security == "selinux") {
     sources += [ "adapter/param_selinux.c" ]
     defines += [ "PARAM_SUPPORT_SELINUX" ]

services/param/service/param_service.c

@@ -589,6 +589,7 @@ static int GetParamValueFromBuffer(const char *name, const char *buffer, char *v
 
 static int LoadParamFromCmdLine(void)
 {
+    int ret;
     static const char *cmdLines[] = {
         OHOS_BOOT"hardware",
         OHOS_BOOT"bootgroup",
@@ -611,7 +612,14 @@ static int LoadParamFromCmdLine(void)
         return -1, "Failed to read file %s", PARAM_CMD_LINE);
 
     for (size_t i = 0; i < ARRAY_LENGTH(cmdLines); i++) {
-        int ret = GetParamValueFromBuffer(cmdLines[i], data, value, PARAM_CONST_VALUE_LEN_MAX);
+    #ifdef BOOT_EXTENDED_CMDLINE
+        ret = GetParamValueFromBuffer(cmdLines[i], BOOT_EXTENDED_CMDLINE, value, PARAM_CONST_VALUE_LEN_MAX);
+        if (ret != 0) {
+            ret = GetParamValueFromBuffer(cmdLines[i], data, value, PARAM_CONST_VALUE_LEN_MAX);
+        }
+    #else
+        ret = GetParamValueFromBuffer(cmdLines[i], data, value, PARAM_CONST_VALUE_LEN_MAX);
+    #endif
         if (ret == 0) {
             PARAM_LOGV("Add param from cmdline %s %s", cmdLines[i], value);
             ret = CheckParamName(cmdLines[i], 0);
@@ -744,4 +752,4 @@ void DumpParametersAndTriggers(void)
     if (GetTriggerWorkSpace() != NULL) {
         DumpTrigger(GetTriggerWorkSpace());
     }
-}
+}
\ No newline at end of file