grub2/0059-efi-Add-GRUB_PE32_MAGIC-definition.patch

From c5841ba7f0d14c193f20854e7e55b4f7ce9207d5 Mon Sep 17 00:00:00 2001
From: Leif Lindholm <leif.lindholm@linaro.org>
Date: Thu, 3 Aug 2017 11:04:25 +0100
Subject: [PATCH 059/194] efi: Add GRUB_PE32_MAGIC definition

Add a generic GRUB_PE32_MAGIC definition for the PE 'MZ' tag and delete
the existing one in arm64/linux.h.

Update arm64 Linux loader to use this new definition.

Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org>
---
 grub-core/loader/arm64/linux.c | 2 +-
 include/grub/arm64/linux.h     | 2 --
 include/grub/efi/pe32.h        | 2 ++
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/grub-core/loader/arm64/linux.c b/grub-core/loader/arm64/linux.c
index 3e2f9b742..a652ee908 100644
--- a/grub-core/loader/arm64/linux.c
+++ b/grub-core/loader/arm64/linux.c
@@ -52,7 +52,7 @@ grub_arm64_uefi_check_image (struct grub_arm64_linux_kernel_header * lh)
   if (lh->magic != GRUB_ARM64_LINUX_MAGIC)
     return grub_error(GRUB_ERR_BAD_OS, "invalid magic number");
 
-  if ((lh->code0 & 0xffff) != GRUB_EFI_PE_MAGIC)
+  if ((lh->code0 & 0xffff) != GRUB_PE32_MAGIC)
     return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
 		       N_("plain image kernel not supported - rebuild with CONFIG_(U)EFI_STUB enabled"));
 
diff --git a/include/grub/arm64/linux.h b/include/grub/arm64/linux.h
index 1ea23696e..a981df5d1 100644
--- a/include/grub/arm64/linux.h
+++ b/include/grub/arm64/linux.h
@@ -23,8 +23,6 @@
 
 #define GRUB_ARM64_LINUX_MAGIC 0x644d5241 /* 'ARM\x64' */
 
-#define GRUB_EFI_PE_MAGIC	0x5A4D
-
 /* From linux/Documentation/arm64/booting.txt */
 struct grub_arm64_linux_kernel_header
 {
diff --git a/include/grub/efi/pe32.h b/include/grub/efi/pe32.h
index f79c36c02..7d44732d2 100644
--- a/include/grub/efi/pe32.h
+++ b/include/grub/efi/pe32.h
@@ -45,6 +45,8 @@
 
 #define GRUB_PE32_MSDOS_STUB_SIZE	0x80
 
+#define GRUB_PE32_MAGIC			0x5a4d
+
 /* According to the spec, the minimal alignment is 512 bytes...
    But some examples (such as EFI drivers in the Intel
    Sample Implementation) use 32 bytes (0x20) instead, and it seems
-- 
2.13.5