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CMOS support on sparc.

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* gentpl.py (cmos): Add powerpc and sparc.
	* grub-core/Makefile.core.def (datetime): Add lib/ieee1275/cmos.c on
	powerpc and sparc.
	* grub-core/lib/cmos_datetime.c (grub_get_datetime)
	[__powerpc__ || __sparc__]: Rename to grub_get_datetime_cmos.
	(grub_set_datetime) [__powerpc__ || __sparc__]: Likewise to
	grub_set_datetime_cmos.
	* grub-core/lib/ieee1275/cmos.c: New file.
	* grub-core/lib/ieee1275/datetime.c (no_ieee1275_rtc): New vaiable.
	(find_rtc): Set no_ieee1275_rtc on error.
	(grub_get_datetime): Call grub_get_datetime_cmos on error.
	(grub_set_datetime): Call grub_set_datetime_cmos on error.
	* include/grub/cmos.h (grub_cmos_read): Return grub_err_t since it may
	fail. Move value to argument. All users updated
	(grub_cmos_write): Likewise.
	(grub_cmos_read) [__powerpc__ || __sparc__]: Rewritten.
	(grub_cmos_write) [__powerpc__ || __sparc__]: Likewise.
	* include/grub/datetime.h [__powerpc__ || __sparc__]: Declare
	grub_get_datetime_cmos and grub_set_datetime_cmos.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2011-07-05 20:24:20 +02:00
parent 77546584e1
commit a07a81b335
9 changed files with 231 additions and 26 deletions
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14
grub-core/commands/i386/cmostest.c
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@ -46,12 +46,17 @@ grub_cmd_cmostest (struct grub_command *cmd __attribute__ ((unused)),
{
int byte, bit;
grub_err_t err;
grub_uint8_t value;
err = parse_args (argc, argv, &byte, &bit);
if (err)
return err;
if (grub_cmos_read (byte) & (1 << bit))
err = grub_cmos_read (byte, &value);
if (err)
return err;
if (value & (1 << bit))
return GRUB_ERR_NONE;
return grub_error (GRUB_ERR_TEST_FAILURE, "false");
@ -63,13 +68,16 @@ grub_cmd_cmosclean (struct grub_command *cmd __attribute__ ((unused)),
{
int byte, bit;
grub_err_t err;
grub_uint8_t value;
err = parse_args (argc, argv, &byte, &bit);
if (err)
return err;
err = grub_cmos_read (byte, &value);
if (err)
return err;
grub_cmos_write (byte, grub_cmos_read (byte) & (~(1 << bit)));
return GRUB_ERR_NONE;
return grub_cmos_write (byte, value & (~(1 << bit)));
}
static grub_command_t cmd, cmd_clean;