Initial modemloader service
Change-Id: Icef590f4af8032cb06dc2554c6c64d9db48b7c83
diff --git a/Android.mk b/Android.mk
index 9cec779..044644b 100644
--- a/Android.mk
+++ b/Android.mk
@@ -38,3 +38,7 @@
ifeq ($(BOARD_VENDOR),samsung)
include $(SAM_ROOT)/ril/Android.mk
endif
+
+ifneq ($(filter xmm6260 xmm6262 xmm6360 xmm7260 m7450,$(BOARD_MODEM_TYPE)),)
+include $(SAM_ROOT)/modemloader/Android.mk
+endif
diff --git a/modemloader/Android.mk b/modemloader/Android.mk
new file mode 100644
index 0000000..1e18b32
--- /dev/null
+++ b/modemloader/Android.mk
@@ -0,0 +1,26 @@
+# Copyright (C) 2015 The CyanogenMod Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# 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.
+
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := modemloader.c
+
+LOCAL_SHARED_LIBRARIES := liblog libcutils
+
+LOCAL_MODULE := modemloader
+LOCAL_MODULE_TAGS := optional
+
+include $(BUILD_EXECUTABLE)
diff --git a/modemloader/modemloader.c b/modemloader/modemloader.c
new file mode 100644
index 0000000..4580d7f
--- /dev/null
+++ b/modemloader/modemloader.c
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ * Copyright (C) 2015 Christopher N. Hesse <raymanfx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * 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.
+ */
+
+#include <stdarg.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <errno.h>
+
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/un.h>
+
+#include <cutils/properties.h>
+#include <cutils/log.h>
+
+#define LOG_TAG "modemloader"
+#define LOG_NDEBUG 0
+
+void parse_hardware_revision(unsigned int *revision)
+{
+ const char *cpuinfo = "/proc/cpuinfo";
+ char *data = NULL;
+ size_t len = 0, limit = 1024;
+ int fd, n;
+ char *x, *rev;
+
+ fd = open(cpuinfo, O_RDONLY);
+ if (fd < 0) return;
+
+ for (;;) {
+ x = (char*)realloc(data, limit);
+ if (!x) {
+ ALOGE("Failed to allocate memory to read %s\n", cpuinfo);
+ goto done;
+ }
+ data = x;
+
+ n = read(fd, data + len, limit - len);
+ if (n < 0) {
+ ALOGE("Failed reading %s: %s (%d)\n", cpuinfo, strerror(errno), errno);
+ goto done;
+ }
+ len += n;
+
+ if (len < limit)
+ break;
+
+ /* We filled the buffer, so increase size and loop to read more */
+ limit *= 2;
+ }
+
+ data[len] = 0;
+ rev = strstr(data, "\nRevision");
+
+ if (rev) {
+ x = strstr(rev, ": ");
+ if (x) {
+ *revision = strtoul(x + 2, 0, 16);
+ }
+ }
+
+done:
+ close(fd);
+ free(data);
+}
+
+int main(void)
+{
+ unsigned int revision = 0;
+ char ro_revision[PROP_VALUE_MAX];
+
+ parse_hardware_revision(&revision);
+ snprintf(ro_revision, PROP_VALUE_MAX, "%d", revision);
+ property_set("ro.revision", ro_revision);
+
+ return 0;
+}