From: Vladimir Serbinenko <phcoder@gmail.com>
Date: Sun, 21 Feb 2016 17:41:39 +0000 (+0100)
Subject: coreboot memory before _start
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=78e9b82d2ce0e175d12e4ba542f8ffed38d7fba7;p=thirdparty%2Fgrub.git

coreboot memory before _start
---

diff --git a/grub-core/kern/arm/coreboot/init.c b/grub-core/kern/arm/coreboot/init.c
index 859bac335..4af2907e1 100644
--- a/grub-core/kern/arm/coreboot/init.c
+++ b/grub-core/kern/arm/coreboot/init.c
@@ -70,7 +70,14 @@ heap_init (grub_uint64_t addr, grub_uint64_t size, grub_memory_type_t type,
     return 0;
 
   if (modend && begin < modend)
-    begin = modend;
+    {
+      if (begin < (grub_addr_t)_start)
+	{
+	  grub_mm_init_region ((void *) (grub_addr_t) begin, (grub_size_t) ((grub_addr_t)_start - begin));
+	  have_memory = 1;
+	}
+      begin = modend;
+    }
 
   if (end <= begin)
     return 0;