* include/grub/types.h (grub_host_addr_t): Rename to
grub_target_addr_t.
(grub_host_off_t): Rename to grub_target_off_t.
(grub_host_size_t): Rename to grub_target_size_t.
(grub_host_ssize_t): Rename to grub_target_ssize_t.
Refer to GRUB_TARGET_SIZEOF_VOID_P to define those variables.
* include/grub/kernel.h (struct grub_module_header): Change type
of OFFSET to grub_target_off_t and type of SIZE to grub_target_size_t.
(grub_module_info): Likewise.
* configure.ac: Don't set host_m32 for x86_64. Also reset LIBS
for the target-specific tests. Make sure that we also have the
up-to-date target variables for those tests.
* fs/ext2.c (pupa_ext2_read_file): Correct the value of BLOCKEND
when it is EXT2_BLOCK_SIZE (data). New argument READ_HOOK, all
callers changed. Set DATA->DISK->READ_HOOK to READ_HOOK before
reading and reset it after reading.
(pupa_ext2_close): Return PUPA_ERR_NONE.
* include/pupa/i386/pc/linux.h (PUPA_LINUX_INITRD_MAX_ADDRESS):
Correct value.
(struct linux_kernel_header): Add kernel_version and
initrd_addr_max.
* loader/i386/pc/linux.c (pupa_rescue_cmd_linux): Check whether
pupa_file_read succeeds.
(pupa_rescue_cmd_initrd): Implement.
jeroen