* grub-core/loader/i386/coreboot/chainloader.c: Support tianocore.
This commit is contained in:
Vladimir Serbinenko
parent
8997730612
commit
5460cfeba8
2 changed files with 164 additions and 1 deletions
|
|
@ -1,3 +1,7 @@
|
|||
2013-11-10 Vladimir Serbinenko <phcoder@gmail.com>
|
||||
|
||||
* grub-core/loader/i386/coreboot/chainloader.c: Support tianocore.
|
||||
|
||||
2013-11-10 Vladimir Serbinenko <phcoder@gmail.com>
|
||||
|
||||
* grub-core/loader/i386/coreboot/chainloader.c: Support lzma-compressed
|
||||
|
|
|
|||
|
|
@ -31,6 +31,8 @@
|
|||
#include <grub/i18n.h>
|
||||
#include <grub/cbfs_core.h>
|
||||
#include <grub/lib/LzmaDec.h>
|
||||
#include <grub/efi/pe32.h>
|
||||
#include <grub/i386/cpuid.h>
|
||||
|
||||
GRUB_MOD_LICENSE ("GPLv3+");
|
||||
|
||||
|
|
@ -197,6 +199,157 @@ load_segment (grub_file_t file, const char *filename,
|
|||
}
|
||||
}
|
||||
|
||||
static grub_err_t
|
||||
load_tianocore (grub_file_t file)
|
||||
{
|
||||
grub_uint16_t header_length;
|
||||
grub_uint32_t section_head;
|
||||
grub_uint8_t mz[2], pe[4];
|
||||
struct grub_pe32_coff_header coff_head;
|
||||
struct file_header
|
||||
{
|
||||
grub_uint8_t unused[18];
|
||||
grub_uint8_t type;
|
||||
grub_uint8_t unused2;
|
||||
grub_uint8_t size[3];
|
||||
grub_uint8_t unused3;
|
||||
} file_head;
|
||||
grub_relocator_chunk_t ch;
|
||||
|
||||
if (grub_file_seek (file, 48) == (grub_off_t) -1
|
||||
|| grub_file_read (file, &header_length, sizeof (header_length))
|
||||
!= sizeof (header_length)
|
||||
|| grub_file_seek (file, header_length) == (grub_off_t) -1)
|
||||
goto fail;
|
||||
|
||||
while (1)
|
||||
{
|
||||
grub_off_t off;
|
||||
if (grub_file_read (file, &file_head, sizeof (file_head))
|
||||
!= sizeof (file_head))
|
||||
goto fail;
|
||||
if (file_head.type != 0xf0)
|
||||
break;
|
||||
off = grub_get_unaligned32 (file_head.size) & 0xffffff;
|
||||
if (off < sizeof (file_head))
|
||||
goto fail;
|
||||
if (grub_file_seek (file, grub_file_tell (file) + off
|
||||
- sizeof (file_head)) == (grub_off_t) -1)
|
||||
goto fail;
|
||||
}
|
||||
|
||||
if (file_head.type != 0x03)
|
||||
goto fail;
|
||||
|
||||
while (1)
|
||||
{
|
||||
if (grub_file_read (file, §ion_head, sizeof (section_head))
|
||||
!= sizeof (section_head))
|
||||
goto fail;
|
||||
if ((section_head >> 24) != 0x19)
|
||||
break;
|
||||
|
||||
if ((section_head & 0xffffff) < sizeof (section_head))
|
||||
goto fail;
|
||||
|
||||
if (grub_file_seek (file, grub_file_tell (file)
|
||||
+ (section_head & 0xffffff)
|
||||
- sizeof (section_head)) == (grub_off_t) -1)
|
||||
goto fail;
|
||||
}
|
||||
|
||||
if ((section_head >> 24) != 0x10)
|
||||
goto fail;
|
||||
|
||||
grub_off_t exe_start = grub_file_tell (file);
|
||||
|
||||
if (grub_file_read (file, &mz, sizeof (mz)) != sizeof (mz))
|
||||
goto fail;
|
||||
if (mz[0] != 'M' || mz[1] != 'Z')
|
||||
goto fail;
|
||||
|
||||
if (grub_file_seek (file, grub_file_tell (file) + 0x3a) == (grub_off_t) -1)
|
||||
goto fail;
|
||||
|
||||
if (grub_file_read (file, §ion_head, sizeof (section_head))
|
||||
!= sizeof (section_head))
|
||||
goto fail;
|
||||
if (section_head < 0x40)
|
||||
goto fail;
|
||||
|
||||
if (grub_file_seek (file, grub_file_tell (file)
|
||||
+ section_head - 0x40) == (grub_off_t) -1)
|
||||
goto fail;
|
||||
|
||||
if (grub_file_read (file, &pe, sizeof (pe))
|
||||
!= sizeof (pe))
|
||||
goto fail;
|
||||
|
||||
if (pe[0] != 'P' || pe[1] != 'E' || pe[2] != '\0' || pe[3] != '\0')
|
||||
goto fail;
|
||||
|
||||
if (grub_file_read (file, &coff_head, sizeof (coff_head))
|
||||
!= sizeof (coff_head))
|
||||
goto fail;
|
||||
|
||||
grub_uint32_t loadaddr;
|
||||
|
||||
switch (coff_head.machine)
|
||||
{
|
||||
case GRUB_PE32_MACHINE_I386:
|
||||
{
|
||||
struct grub_pe32_optional_header oh;
|
||||
if (grub_file_read (file, &oh, sizeof (oh))
|
||||
!= sizeof (oh))
|
||||
goto fail;
|
||||
if (oh.magic != GRUB_PE32_PE32_MAGIC)
|
||||
goto fail;
|
||||
loadaddr = oh.image_base - exe_start;
|
||||
entry = oh.image_base + oh.entry_addr;
|
||||
break;
|
||||
}
|
||||
case GRUB_PE32_MACHINE_X86_64:
|
||||
{
|
||||
struct grub_pe64_optional_header oh;
|
||||
if (! grub_cpuid_has_longmode)
|
||||
{
|
||||
grub_error (GRUB_ERR_BAD_OS, "your CPU does not implement AMD64 architecture");
|
||||
goto fail;
|
||||
}
|
||||
|
||||
if (grub_file_read (file, &oh, sizeof (oh))
|
||||
!= sizeof (oh))
|
||||
goto fail;
|
||||
if (oh.magic != GRUB_PE32_PE64_MAGIC)
|
||||
goto fail;
|
||||
loadaddr = oh.image_base - exe_start;
|
||||
entry = oh.image_base + oh.entry_addr;
|
||||
break;
|
||||
}
|
||||
default:
|
||||
goto fail;
|
||||
}
|
||||
if (grub_file_seek (file, 0) == (grub_off_t) -1)
|
||||
goto fail;
|
||||
|
||||
grub_size_t fz = grub_file_size (file);
|
||||
|
||||
if (grub_relocator_alloc_chunk_addr (relocator, &ch,
|
||||
loadaddr, fz))
|
||||
goto fail;
|
||||
|
||||
if (grub_file_read (file, get_virtual_current_address (ch), fz)
|
||||
!= (grub_ssize_t) fz)
|
||||
goto fail;
|
||||
|
||||
return GRUB_ERR_NONE;
|
||||
|
||||
fail:
|
||||
if (!grub_errno)
|
||||
grub_error (GRUB_ERR_BAD_OS, "fv volume is invalid");
|
||||
return grub_errno;
|
||||
}
|
||||
|
||||
static grub_err_t
|
||||
load_chewed (grub_file_t file, const char *filename)
|
||||
{
|
||||
|
|
@ -320,7 +473,13 @@ grub_cmd_chain (grub_command_t cmd __attribute__ ((unused)),
|
|||
break;
|
||||
|
||||
default:
|
||||
if (grub_file_seek (file, 40) == (grub_off_t) -1
|
||||
|| grub_file_read (file, &head, sizeof (head)) != sizeof (head)
|
||||
|| grub_file_seek (file, 0) == (grub_off_t) -1
|
||||
|| head != 0x4856465f)
|
||||
err = grub_error (GRUB_ERR_BAD_OS, "unrecognised payload type");
|
||||
else
|
||||
err = load_tianocore (file);
|
||||
break;
|
||||
}
|
||||
grub_file_close (file);
|
||||
|
|
|
|||
Loading…
Reference in a new issue