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make GRUB_LINUX_MAGIC_SIGNATURE architecture-specific

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Rename GRUB_LINUX_MAGIC_SIGNATURE GRUB_LINUX_I386_MAGIC_SIGNATURE,
to be usable in code that supports more than one image type.

Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
This commit is contained in:
Leif Lindholm 2018-02-01 18:18:51 +00:00 committed by Vincent Batts
parent f0ffa15cd5
commit 1901a159bd
5 changed files with 8 additions and 8 deletions
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4
grub-core/commands/file.c
View file

@ -508,7 +508,7 @@ grub_cmd_file (grub_extcmd_context_t ctxt, int argc, char **args)
/* FIXME: some really old kernels (< 1.3.73) will fail this. */
if (lh.header !=
grub_cpu_to_le32_compile_time (GRUB_LINUX_MAGIC_SIGNATURE)
grub_cpu_to_le32_compile_time (GRUB_LINUX_I386_MAGIC_SIGNATURE)
|| grub_le_to_cpu16 (lh.version) < 0x0200)
break;
@ -521,7 +521,7 @@ grub_cmd_file (grub_extcmd_context_t ctxt, int argc, char **args)
/* FIXME: 2.03 is not always good enough (Linux 2.4 can be 2.03 and
still not support 32-bit boot. */
if (lh.header !=
grub_cpu_to_le32_compile_time (GRUB_LINUX_MAGIC_SIGNATURE)
grub_cpu_to_le32_compile_time (GRUB_LINUX_I386_MAGIC_SIGNATURE)
|| grub_le_to_cpu16 (lh.version) < 0x0203)
break;

2
grub-core/loader/i386/linux.c
View file

@ -740,7 +740,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
/* FIXME: 2.03 is not always good enough (Linux 2.4 can be 2.03 and
still not support 32-bit boot. */
if (lh.header != grub_cpu_to_le32_compile_time (GRUB_LINUX_MAGIC_SIGNATURE)
if (lh.header != grub_cpu_to_le32_compile_time (GRUB_LINUX_I386_MAGIC_SIGNATURE)
|| grub_le_to_cpu16 (lh.version) < 0x0203)
{
grub_error (GRUB_ERR_BAD_OS, "version too old for 32-bit boot"

6
grub-core/loader/i386/pc/linux.c
View file

@ -185,7 +185,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
maximal_cmdline_size = 256;
if (lh.header == grub_cpu_to_le32_compile_time (GRUB_LINUX_MAGIC_SIGNATURE)
if (lh.header == grub_cpu_to_le32_compile_time (GRUB_LINUX_I386_MAGIC_SIGNATURE)
&& grub_le_to_cpu16 (lh.version) >= 0x0200)
{
grub_linux_is_bzimage = (lh.loadflags & GRUB_LINUX_FLAG_BIG_KERNEL);
@ -334,7 +334,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
len);
kernel_offset += len;
if (lh.header != grub_cpu_to_le32_compile_time (GRUB_LINUX_MAGIC_SIGNATURE)
if (lh.header != grub_cpu_to_le32_compile_time (GRUB_LINUX_I386_MAGIC_SIGNATURE)
|| grub_le_to_cpu16 (lh.version) < 0x0200)
/* Clear the heap space. */
grub_memset (grub_linux_real_chunk
@ -419,7 +419,7 @@ grub_cmd_initrd (grub_command_t cmd __attribute__ ((unused)),
lh = (struct linux_kernel_header *) grub_linux_real_chunk;
if (!(lh->header == grub_cpu_to_le32_compile_time (GRUB_LINUX_MAGIC_SIGNATURE)
if (!(lh->header == grub_cpu_to_le32_compile_time (GRUB_LINUX_I386_MAGIC_SIGNATURE)
&& grub_le_to_cpu16 (lh->version) >= 0x0200))
{
grub_error (GRUB_ERR_BAD_OS, "the kernel is too old for initrd");

2
grub-core/loader/i386/xen_file.c
View file

@ -52,7 +52,7 @@ grub_xen_file_and_cmdline (grub_file_t file,
goto fail;
if (lh.boot_flag != grub_cpu_to_le16_compile_time (0xaa55)
|| lh.header != grub_cpu_to_le32_compile_time (GRUB_LINUX_MAGIC_SIGNATURE)
|| lh.header != grub_cpu_to_le32_compile_time (GRUB_LINUX_I386_MAGIC_SIGNATURE)
|| grub_le_to_cpu16 (lh.version) < 0x0208)
{
grub_error (GRUB_ERR_BAD_OS, "version too old for xen boot");

2
include/grub/i386/linux.h
View file

@ -19,7 +19,7 @@
#ifndef GRUB_I386_LINUX_HEADER
#define GRUB_I386_LINUX_HEADER 1
#define GRUB_LINUX_MAGIC_SIGNATURE 0x53726448 /* "HdrS" */
#define GRUB_LINUX_I386_MAGIC_SIGNATURE 0x53726448 /* "HdrS" */
#define GRUB_LINUX_DEFAULT_SETUP_SECTS 4
#define GRUB_LINUX_INITRD_MAX_ADDRESS 0x37FFFFFF
#define GRUB_LINUX_MAX_SETUP_SECTS 64