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Adjust mips/linux.c

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-04-22 02:45:06 +02:00
parent a51df0a1b4
commit 530a4814cc
1 changed files with 36 additions and 24 deletions
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60
loader/mips/linux.c
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@ -33,9 +33,6 @@
#include <grub/pci.h>
#include <grub/machine/time.h>
#define ELF32_LOADMASK (0x00000000UL)
#define ELF64_LOADMASK (0x0000000000000000ULL)
static grub_dl_t my_mod;
static int loaded;
@ -85,7 +82,7 @@ grub_linux_load32 (grub_elf_t elf, void **extra_mem, grub_size_t extra_size)
grub_err_t err;
/* Linux's entry point incorrectly contains a virtual address. */
entry_addr = elf->ehdr.ehdr32.e_entry & ~ELF32_LOADMASK;
entry_addr = elf->ehdr.ehdr32.e_entry;
linux_size = grub_elf32_size (elf, &base);
if (linux_size == 0)
@ -101,10 +98,15 @@ grub_linux_load32 (grub_elf_t elf, void **extra_mem, grub_size_t extra_size)
if (!relocator)
return grub_errno;
err = grub_relocator_alloc_chunk_addr (relocator, (void **) &playground,
target_addr, linux_size);
if (err)
return err;
{
grub_relocator_chunk_t ch;
err = grub_relocator_alloc_chunk_addr (relocator, &ch,
target_addr & 0x1fffffff,
linux_size);
if (err)
return err;
playground = get_virtual_current_address (ch);
}
*extra_mem = playground + extraoff;
@ -135,7 +137,7 @@ grub_linux_load64 (grub_elf_t elf, void **extra_mem, grub_size_t extra_size)
grub_err_t err;
/* Linux's entry point incorrectly contains a virtual address. */
entry_addr = elf->ehdr.ehdr64.e_entry & ~ELF64_LOADMASK;
entry_addr = elf->ehdr.ehdr64.e_entry;
linux_size = grub_elf64_size (elf, &base);
if (linux_size == 0)
@ -151,10 +153,15 @@ grub_linux_load64 (grub_elf_t elf, void **extra_mem, grub_size_t extra_size)
if (!relocator)
return grub_errno;
err = grub_relocator_alloc_chunk_addr (relocator, (void **) &playground,
target_addr, linux_size);
if (err)
return err;
{
grub_relocator_chunk_t ch;
err = grub_relocator_alloc_chunk_addr (relocator, &ch,
target_addr & 0x1fffffff,
linux_size);
if (err)
return err;
playground = get_virtual_current_address (ch);
}
*extra_mem = playground + extraoff;
@ -344,18 +351,23 @@ grub_cmd_initrd (grub_command_t cmd __attribute__ ((unused)),
size = grub_file_size (file);
err = grub_relocator_alloc_chunk_align (relocator, &initrd_src,
&initrd_dest,
target_addr + linux_size + 0x10000,
(0xffffffff - size) + 1,
size, 0x10000,
GRUB_RELOCATOR_PREFERENCE_NONE);
{
grub_relocator_chunk_t ch;
if (err)
{
grub_file_close (file);
return err;
}
err = grub_relocator_alloc_chunk_align (relocator, &ch,
target_addr + linux_size + 0x10000,
(0xffffffff - size) + 1,
size, 0x10000,
GRUB_RELOCATOR_PREFERENCE_NONE);
if (err)
{
grub_file_close (file);
return err;
}
initrd_src = get_virtual_current_address (ch);
initrd_dest = get_physical_target_address (ch) | 0x80000000;
}
if (grub_file_read (file, initrd_src, size) != size)
{