0.0.2d: Added BGA support, graphics!

drivers/elf.c

@@ -11,7 +11,7 @@
 #define ALIGN_UP(x)   (((x) + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1))
 
 
-elf_executable_t* load_elf32(void* elf_data)
+int load_elf32(void* elf_data, elf_executable_t** ptr)
 {
   Elf32_Ehdr* ehdr = (Elf32_Ehdr*)elf_data;
 
@@ -19,13 +19,13 @@ elf_executable_t* load_elf32(void* elf_data)
   if (memcmp(ehdr->e_ident, (uint8_t*)("\x7F""ELF"), 4) != 0)
   {
     printf("Invalid ELF file\n");
-    return NULL;
+    return -1;
   }
 
   if (ehdr->e_machine != 3 || ehdr->e_type != 2)
   {
     printf("Unsupported ELF type or architecture\n");
-    return NULL;
+    return -1;
   }
 
   Elf32_Phdr* phdrs = (Elf32_Phdr*)((uint8_t*)elf_data + ehdr->e_phoff);
@@ -60,10 +60,17 @@ elf_executable_t* load_elf32(void* elf_data)
 #endif
   }
 
-  elf_executable_t* result = malloc(sizeof(elf_executable_t));
-  result->entry_point = (elf_entry_t)(uintptr_t)ehdr->e_entry;
-  return result;
+  *ptr = malloc(sizeof(elf_executable_t));
+
+  if (ptr)
+  {
+    (*ptr)->entry_point = (elf_entry_t)(uintptr_t) ehdr->e_entry;
+    return 0;
+  }
   
-  return NULL;
+/*
+  elf_executable_t* result = malloc(sizeof(elf_executable_t));
+  result->entry_point = (elf_entry_t)(uintptr_t)ehdr->e_entry;*/
+  return -1;
 }