gentpl: Put boot/mips/startup_raw.S into beginning of the image

Otherwise it breaks the decompressors for MIPS targets.

Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>

gentpl.py

@@ -634,7 +634,7 @@ def extra_dist(defn):
 def extra_dep(defn):
     return foreach_value(defn, "depends", lambda value: value + " ")
 
-def platform_sources(defn, p): return platform_values(defn, p, "")
+def platform_sources(defn, p): return platform_values(defn, p, "_head") + platform_values(defn, p, "")
 def platform_nodist_sources(defn, p): return platform_values(defn, p, "_nodist")
 
 def platform_startup(defn, p): return platform_specific_values(defn, p, "_startup", "startup")
@@ -660,7 +660,7 @@ def first_time(defn, snippet):
 def is_platform_independent(defn):
     if 'enable' in defn:
         return False
-    for suffix in [ "", "_nodist" ]:
+    for suffix in [ "", "_head", "_nodist" ]:
         template = platform_values(defn, GRUB_PLATFORMS[0], suffix)
         for platform in GRUB_PLATFORMS[1:]:
             if template != platform_values(defn, platform, suffix):

grub-core/Makefile.core.def

@@ -536,7 +536,7 @@ image = {
 
 image = {
   name = xz_decompress;
-  mips = boot/mips/startup_raw.S;
+  mips_head = boot/mips/startup_raw.S;
   common = boot/decompressor/minilib.c;
   common = boot/decompressor/xz.c;
   common = lib/xzembed/xz_dec_bcj.c;
@@ -554,7 +554,7 @@ image = {
 
 image = {
   name = none_decompress;
-  mips = boot/mips/startup_raw.S;
+  mips_head = boot/mips/startup_raw.S;
   common = boot/decompressor/none.c;
 
   cppflags = '-DGRUB_EMBED_DECOMPRESSOR=1';