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commands/file: Use definitions from arm/linux.h

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Clean up code for matching IS_ARM slightly by making use of struct
linux_arm_kernel_header and GRUB_LINUX_ARM_MAGIC_SIGNATURE.

Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
This commit is contained in:
Leif Lindholm 2018-06-25 18:01:28 +01:00 committed by Daniel Kiper
parent edece25a77
commit 40dc61ed75
1 changed files with 8 additions and 9 deletions
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17
grub-core/commands/file.c
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@ -27,6 +27,7 @@
#include <grub/elf.h>
#include <grub/xen_file.h>
#include <grub/efi/pe32.h>
#include <grub/arm/linux.h>
#include <grub/i386/linux.h>
#include <grub/xnu.h>
#include <grub/machoload.h>
@ -383,21 +384,19 @@ grub_cmd_file (grub_extcmd_context_t ctxt, int argc, char **args)
}
case IS_ARM_LINUX:
{
grub_uint32_t sig, sig_pi;
if (grub_file_read (file, &sig_pi, 4) != 4)
struct linux_arm_kernel_header lh;
if (grub_file_read (file, &lh, sizeof (lh)) != sizeof (lh))
break;
/* Raspberry pi. */
if (sig_pi == grub_cpu_to_le32_compile_time (0xea000006))
/* Short forward branch in A32 state (for Raspberry pi kernels). */
if (lh.code0 == grub_cpu_to_le32_compile_time (0xea000006))
{
ret = 1;
break;
}
if (grub_file_seek (file, 0x24) == (grub_size_t) -1)
break;
if (grub_file_read (file, &sig, 4) != 4)
break;
if (sig == grub_cpu_to_le32_compile_time (0x016f2818))
if (lh.magic ==
grub_cpu_to_le32_compile_time (GRUB_LINUX_ARM_MAGIC_SIGNATURE))
{
ret = 1;
break;