Add some headers.

[netwatch.git] / grubload / loader.c

diff --git a/grubload/loader.c b/grubload/loader.c
index 4ecba2ab26c0c934c514edefba7198a899bae40b..2b86a75d80f21c7542530c9aba52dd5dfce793e8 100644 (file)
--- a/grubload/loader.c
+++ b/grubload/loader.c
@@ -1,5 +1,16 @@
-#include "minilib.h"
-#include "../include/elf.h"
+/* loader.c
+ * ELF loading subroutines
+ * NetWatch multiboot loader
+ *
+ * Copyright (c) 2008 Jacob Potter and Joshua Wise.  All rights reserved.
+ * This program is free software; you can redistribute and/or modify it under
+ * the terms found in the file LICENSE in the root of this source tree. 
+ *
+ */
+
+#include <elf.h>
+#include <output.h>
+#include <minilib.h>
 
 static const unsigned char elf_ident[4] = { 0x7F, 'E', 'L', 'F' }; 
 
@@ -9,7 +20,7 @@ int load_elf (char * buf, int size) {
        Elf32_Shdr * elf_sec_hdrs = (Elf32_Shdr *) (buf + elf_hdr->e_shoff);
 
        /* Sanity check on ELF file */
-       if (memcmp(elf_hdr->e_ident, elf_ident, sizeof(elf_ident))) return -1;
+       if (memcmp((void *)elf_hdr->e_ident, (void *)elf_ident, sizeof(elf_ident))) return -1;
        if (elf_hdr->e_type != ET_EXEC) return -1;
        if (elf_hdr->e_machine != EM_386) return -1;
        if (elf_hdr->e_version != EV_CURRENT) return -1;
@@ -30,17 +41,13 @@ int load_elf (char * buf, int size) {
                char * section_name = string_table + elf_sec_hdrs[i].sh_name;
 
                if ((elf_sec_hdrs[i].sh_type != SHT_PROGBITS) || !(elf_sec_hdrs[i].sh_flags & SHF_ALLOC)) {
-                       puts("Skipping ");
-                       puts(section_name);
-                       puts("\n");
+                       outputf("Skipping %s", section_name);
                        continue;
                }
 
-               puts("Loading ");
-               puts(section_name);
-               puts("\n");
+               outputf("Loading %s at %08x", section_name, elf_sec_hdrs[i].sh_addr);
 
-               memcpy(elf_sec_hdrs[i].sh_addr,
+               memcpy((void *)elf_sec_hdrs[i].sh_addr,
                       buf + elf_sec_hdrs[i].sh_offset,
                       elf_sec_hdrs[i].sh_size);
        }