[v0.88][ARM] Add very basic SoC detection (Android only)

src/arm/soc.c

@@ -0,0 +1,55 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "soc.h"
+
+#define STRING_UNKNOWN    "Unknown"
+
+#ifdef __ANDROID__
+#include <sys/system_properties.h>
+
+static inline int android_property_get(const char* key, char* value) {
+  return __system_property_get(key, value);
+}
+
+char* android_guess_soc() {
+  char* raw_name = NULL;
+  char tmp[100];
+  int property_len = 0;
+  
+  property_len = android_property_get("ro.mediatek.platform", (char *) &tmp);
+  if(property_len > 0) {
+    raw_name = malloc(sizeof(char) * (property_len + 1));
+    strcpy(raw_name, tmp);
+    raw_name[property_len] = '\0';
+    return raw_name;
+  }
+  
+  property_len = android_property_get("ro.product.board", (char *) &tmp);
+  if(property_len > 0) {    
+    raw_name = malloc(sizeof(char) * (property_len + 1));
+    strcpy(raw_name, tmp);
+    raw_name[property_len] = '\0';
+    return raw_name;
+  }    
+  
+  return NULL;
+}
+#endif
+
+struct system_on_chip* get_soc() {
+  struct system_on_chip* soc = malloc(sizeof(struct system_on_chip));
+  soc->raw_name = NULL;
+  
+#ifdef __ANDROID__
+  soc->raw_name = android_guess_soc();
+#endif
+
+  if(soc->raw_name == NULL) {
+    soc->raw_name = malloc(sizeof(char) * (strlen(STRING_UNKNOWN)+1));
+    snprintf(soc->raw_name, strlen(STRING_UNKNOWN)+1, STRING_UNKNOWN);
+  }
+  
+  return soc;    
+}