Implemented memblock_alloc()

sandbox/base/main.c

@@ -35,32 +35,36 @@ int main(int argc, const char **argv)
 
 	memblock_add(0, MB_TO_BYTES(MEMORY_SIZE_MB));
 
-	memblock_reserve(0x10000, 0x40000);
+	memblock_reserve(0x00000, 0x40000);
 	memblock_reserve(0x60000, 0x20000);
 	memblock_reserve(0x30000, 0x40000);
 	memblock_reserve(0x100000, 0x10000);
 
+	phys_addr_t alloc = memblock_alloc(512);
+	printf("allocated 512 bytes at 0x%" PRIxPTR "\n", alloc);
+
 	printf("memory regions:\n");
 
 	memblock_iter_t it;
 	for_each_mem_range(&it, 0, 0x100000) {
 		printf("\t%08" PRIxPTR "-%08" PRIxPTR "\n",
-				it.base,
-				it.limit);
+				it.it_base,
+				it.it_limit);
 	}
 
 	printf("reserved regions:\n");
 	for_each_reserved_mem_range(&it, 0, 0x100000) {
-		printf("\t%08" PRIxPTR "-%08" PRIxPTR "\n",
-				it.base,
-				it.limit);
+		printf("\t%08" PRIxPTR "-%08" PRIxPTR " (%s)\n",
+				it.it_base,
+				it.it_limit,
+				it.it_status == MEMBLOCK_ALLOC ? "allocated" : "reserved");
 	}
 
 	printf("free regions:\n");
 	for_each_free_mem_range(&it, 0, ULLONG_MAX) {
 		printf("\t%08" PRIxPTR "-%08" PRIxPTR "\n",
-				it.base,
-				it.limit);
+				it.it_base,
+				it.it_limit);
 	}
 
 	munmap(system_memory, MB_TO_BYTES(MEMORY_SIZE_MB));