5c67ea6cd9
* grub-core/commands/i386/pc/sendkey.c (grub_cmd_sendkey: find_key_code, find_ascii_code): Make static instead of nested. * grub-core/commands/legacycfg.c (legacy_file: getline): Likewise. Rename to ... (legacy_file_getline): ... this. * grub-core/commands/loadenv.c (grub_cmd_load_env: set_var): Likewise. * grub-core/kern/corecmd.c (grub_core_cmd_set: print_env): Likewise. * grub-core/kern/fs.c (grub_fs_probe: dummy_func): Likewise. Rename to ... (probe_dummy_iter): ... this. * grub-core/kern/i386/coreboot/mmap.c (grub_linuxbios_table_iterate: check_signature): Likewise. * grub-core/kern/parser.c (grub_parser_split_cmdline: check_varstate): Likewise. Mark inline. * grub-core/lib/arg.c (find_short: fnd_short): Likewise. Pass an additional parameter. (find_long: fnd_long): Likewise. Pass two additional parameters. * grub-core/lib/crc.c (init_crc32c_table: reflect): Likewise. * grub-core/lib/crc64.c (init_crc64_table: reflect): Likewise. * grub-core/lib/ieee1275/cmos.c (grub_cmos_find_port: hook): Likewise. Rename to ... (grub_cmos_find_port_iter): ... this. * grub-core/lib/ieee1275/datetime.c (find_rtc: hook): Likewise. Rename to ... (find_rtc_iter): ... this. * grub-core/normal/menu_entry.c (run): Fold nested editor_getsource function directly into the function body, since it is only called once.
77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
/*
|
|
* GRUB -- GRand Unified Bootloader
|
|
* Copyright (C) 2011 Free Software Foundation, Inc.
|
|
*
|
|
* GRUB is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* GRUB is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <grub/datetime.h>
|
|
#include <grub/cmos.h>
|
|
#include <grub/dl.h>
|
|
#include <grub/ieee1275/ieee1275.h>
|
|
#include <grub/misc.h>
|
|
|
|
volatile grub_uint8_t *grub_cmos_port = 0;
|
|
|
|
/* Helper for grub_cmos_find_port. */
|
|
static int
|
|
grub_cmos_find_port_iter (struct grub_ieee1275_devalias *alias)
|
|
{
|
|
grub_ieee1275_phandle_t dev;
|
|
grub_uint32_t addr[2];
|
|
grub_ssize_t actual;
|
|
/* Enough to check if it's "m5819" */
|
|
char compat[100];
|
|
if (grub_ieee1275_finddevice (alias->path, &dev))
|
|
return 0;
|
|
if (grub_ieee1275_get_property (dev, "compatible", compat, sizeof (compat),
|
|
0))
|
|
return 0;
|
|
if (grub_strcmp (compat, "m5819") != 0)
|
|
return 0;
|
|
if (grub_ieee1275_get_integer_property (dev, "address",
|
|
addr, sizeof (addr), &actual))
|
|
return 0;
|
|
if (actual == 4)
|
|
{
|
|
grub_cmos_port = (volatile grub_uint8_t *) (grub_addr_t) addr[0];
|
|
return 1;
|
|
}
|
|
|
|
#if GRUB_CPU_SIZEOF_VOID_P == 8
|
|
if (actual == 8)
|
|
{
|
|
grub_cmos_port = (volatile grub_uint8_t *)
|
|
((((grub_addr_t) addr[0]) << 32) | addr[1]);
|
|
return 1;
|
|
}
|
|
#else
|
|
if (actual == 8 && addr[0] == 0)
|
|
{
|
|
grub_cmos_port = (volatile grub_uint8_t *) addr[1];
|
|
return 1;
|
|
}
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
grub_err_t
|
|
grub_cmos_find_port (void)
|
|
{
|
|
grub_ieee1275_devices_iterate (grub_cmos_find_port_iter);
|
|
if (!grub_cmos_port)
|
|
return grub_error (GRUB_ERR_IO, "no cmos found");
|
|
|
|
return GRUB_ERR_NONE;
|
|
}
|