* disk/ata.c (grub_ata_regget): Change return type to
`grub_uint8_t'.
(grub_ata_regget2): Likewise.
(grub_ata_wait_status): New function.
(grub_ata_wait_busy): Removed function, updated all users to use
`grub_ata_wait_status'.
(grub_ata_wait_drq): Likewise.
(grub_ata_cmd): New function.
(grub_ata_pio_read): Change return type to `grub_uint8_t'. Add
error handling.
(grub_ata_pio_write): Add error handling.
(grub_atapi_identify): Likewise.
(grub_atapi_packet): Use `grub_ata_cmd' and improve error
handling.
(grub_ata_identify): Use `grub_ata_cmd' and improve error
handling. Actually use the detected registers. Reorder the
detection logic such that it is easier to read.
(grub_ata_pciinit): Do not assign the same ID to each controller.
(grub_ata_setaddress): Use `grub_ata_cmd' and improve error
handling.
(grub_atapi_readsector): Check the result of `grub_ata_pio_read'.
* include/grub/err.h (grub_err_t): Add `GRUB_ERR_TIMEOUT'.
This is GRUB 2, the second version of the GRand Unified Bootloader.
GRUB 2 is rewritten from scratch to make GNU GRUB cleaner, safer, more
robust, more powerful, and more portable.
See the file NEWS for a description of recent changes to GRUB 2.
See the file INSTALL for instructions on how to build and install the
GRUB 2 data and program files.
Please visit the official web page of GRUB 2, for more information.
The URL is <http://www.gnu.org/software/grub/grub.html>.
For now, there is not much documentation yet. Please look at the GRUB
Wiki <http://grub.enbug.org> for testing procedures.
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