grub2/0308-grub-core-loader-i386-linux.c-Remove-useless-leftove.patch
2013-05-02 16:54:52 -04:00

156 lines
6.1 KiB
Diff

From a68d80bd8b4ab9d3ca311ae33ef5e99c4f0017f0 Mon Sep 17 00:00:00 2001
From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
Date: Sun, 14 Apr 2013 19:01:23 +0200
Subject: [PATCH 308/364] * grub-core/loader/i386/linux.c: Remove
useless leftover pointer.
---
ChangeLog | 4 +++
grub-core/loader/i386/linux.c | 64 +++++++++++++++++++++----------------------
2 files changed, 35 insertions(+), 33 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index fc3dd51..1372be8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
2013-04-14 Vladimir Serbinenko <phcoder@gmail.com>
+ * grub-core/loader/i386/linux.c: Remove useless leftover pointer.
+
+2013-04-14 Vladimir Serbinenko <phcoder@gmail.com>
+
Move GRUB out of system area when using xorriso 1.2.9 or later.
2013-04-14 Vladimir Serbinenko <phcoder@gmail.com>
diff --git a/grub-core/loader/i386/linux.c b/grub-core/loader/i386/linux.c
index bdfe19a..5cd074b 100644
--- a/grub-core/loader/i386/linux.c
+++ b/grub-core/loader/i386/linux.c
@@ -688,7 +688,6 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
{
grub_file_t file = 0;
struct linux_kernel_header lh;
- struct linux_kernel_params *params;
grub_uint8_t setup_sects;
grub_size_t real_size, prot_size, prot_file_size;
grub_ssize_t len;
@@ -808,16 +807,15 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
preferred_address))
goto fail;
- params = (struct linux_kernel_params *) &linux_params;
- grub_memset (params, 0, sizeof (*params));
- grub_memcpy (&params->setup_sects, &lh.setup_sects, sizeof (lh) - 0x1F1);
+ grub_memset (&linux_params, 0, sizeof (linux_params));
+ grub_memcpy (&linux_params.setup_sects, &lh.setup_sects, sizeof (lh) - 0x1F1);
- params->code32_start = prot_mode_target + lh.code32_start - GRUB_LINUX_BZIMAGE_ADDR;
- params->kernel_alignment = (1 << align);
- params->ps_mouse = params->padding10 = 0;
+ linux_params.code32_start = prot_mode_target + lh.code32_start - GRUB_LINUX_BZIMAGE_ADDR;
+ linux_params.kernel_alignment = (1 << align);
+ linux_params.ps_mouse = linux_params.padding10 = 0;
- len = sizeof (*params) - sizeof (lh);
- if (grub_file_read (file, (char *) params + sizeof (lh), len) != len)
+ len = sizeof (linux_params) - sizeof (lh);
+ if (grub_file_read (file, (char *) &linux_params + sizeof (lh), len) != len)
{
if (!grub_errno)
grub_error (GRUB_ERR_BAD_OS, N_("premature end of file %s"),
@@ -825,58 +823,58 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
goto fail;
}
- params->type_of_loader = GRUB_LINUX_BOOT_LOADER_TYPE;
+ linux_params.type_of_loader = GRUB_LINUX_BOOT_LOADER_TYPE;
/* These two are used (instead of cmd_line_ptr) by older versions of Linux,
and otherwise ignored. */
- params->cl_magic = GRUB_LINUX_CL_MAGIC;
- params->cl_offset = 0x1000;
+ linux_params.cl_magic = GRUB_LINUX_CL_MAGIC;
+ linux_params.cl_offset = 0x1000;
- params->ramdisk_image = 0;
- params->ramdisk_size = 0;
+ linux_params.ramdisk_image = 0;
+ linux_params.ramdisk_size = 0;
- params->heap_end_ptr = GRUB_LINUX_HEAP_END_OFFSET;
- params->loadflags |= GRUB_LINUX_FLAG_CAN_USE_HEAP;
+ linux_params.heap_end_ptr = GRUB_LINUX_HEAP_END_OFFSET;
+ linux_params.loadflags |= GRUB_LINUX_FLAG_CAN_USE_HEAP;
/* These are not needed to be precise, because Linux uses these values
only to raise an error when the decompression code cannot find good
space. */
- params->ext_mem = ((32 * 0x100000) >> 10);
- params->alt_mem = ((32 * 0x100000) >> 10);
+ linux_params.ext_mem = ((32 * 0x100000) >> 10);
+ linux_params.alt_mem = ((32 * 0x100000) >> 10);
/* Ignored by Linux. */
- params->video_page = 0;
+ linux_params.video_page = 0;
/* Only used when `video_mode == 0x7', otherwise ignored. */
- params->video_ega_bx = 0;
+ linux_params.video_ega_bx = 0;
- params->font_size = 16; /* XXX */
+ linux_params.font_size = 16; /* XXX */
#ifdef GRUB_MACHINE_EFI
#ifdef __x86_64__
- if (grub_le_to_cpu16 (params->version) < 0x0208 &&
+ if (grub_le_to_cpu16 (linux_params.version) < 0x0208 &&
((grub_addr_t) grub_efi_system_table >> 32) != 0)
return grub_error(GRUB_ERR_BAD_OS,
"kernel does not support 64-bit addressing");
#endif
- if (grub_le_to_cpu16 (params->version) >= 0x0208)
+ if (grub_le_to_cpu16 (linux_params.version) >= 0x0208)
{
- params->v0208.efi_signature = GRUB_LINUX_EFI_SIGNATURE;
- params->v0208.efi_system_table = (grub_uint32_t) (unsigned long) grub_efi_system_table;
+ linux_params.v0208.efi_signature = GRUB_LINUX_EFI_SIGNATURE;
+ linux_params.v0208.efi_system_table = (grub_uint32_t) (unsigned long) grub_efi_system_table;
#ifdef __x86_64__
- params->v0208.efi_system_table_hi = (grub_uint32_t) ((grub_uint64_t) grub_efi_system_table >> 32);
+ linux_params.v0208.efi_system_table_hi = (grub_uint32_t) ((grub_uint64_t) grub_efi_system_table >> 32);
#endif
}
- else if (grub_le_to_cpu16 (params->version) >= 0x0206)
+ else if (grub_le_to_cpu16 (linux_params.version) >= 0x0206)
{
- params->v0206.efi_signature = GRUB_LINUX_EFI_SIGNATURE;
- params->v0206.efi_system_table = (grub_uint32_t) (unsigned long) grub_efi_system_table;
+ linux_params.v0206.efi_signature = GRUB_LINUX_EFI_SIGNATURE;
+ linux_params.v0206.efi_system_table = (grub_uint32_t) (unsigned long) grub_efi_system_table;
}
- else if (grub_le_to_cpu16 (params->version) >= 0x0204)
+ else if (grub_le_to_cpu16 (linux_params.version) >= 0x0204)
{
- params->v0204.efi_signature = GRUB_LINUX_EFI_SIGNATURE_0204;
- params->v0204.efi_system_table = (grub_uint32_t) (unsigned long) grub_efi_system_table;
+ linux_params.v0204.efi_signature = GRUB_LINUX_EFI_SIGNATURE_0204;
+ linux_params.v0204.efi_system_table = (grub_uint32_t) (unsigned long) grub_efi_system_table;
}
#endif
@@ -1012,7 +1010,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
}
else if (grub_memcmp (argv[i], "quiet", sizeof ("quiet") - 1) == 0)
{
- params->loadflags |= GRUB_LINUX_FLAG_QUIET;
+ linux_params.loadflags |= GRUB_LINUX_FLAG_QUIET;
}
/* Create kernel command line. */
--
1.8.1.4