108 lines
2.5 KiB
C
108 lines
2.5 KiB
C
/*
|
|
* GRUB -- GRand Unified Bootloader
|
|
* Copyright (C) 2009,2010 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/kernel.h>
|
|
#include <grub/misc.h>
|
|
#include <grub/env.h>
|
|
#include <grub/time.h>
|
|
#include <grub/types.h>
|
|
#include <grub/misc.h>
|
|
#include <grub/mm.h>
|
|
#include <grub/time.h>
|
|
#include <grub/machine/kernel.h>
|
|
#include <grub/machine/memory.h>
|
|
|
|
extern void grub_video_sm712_init (void);
|
|
extern void grub_video_init (void);
|
|
extern void grub_bitmap_init (void);
|
|
extern void grub_font_init (void);
|
|
extern void grub_gfxterm_init (void);
|
|
extern void grub_at_keyboard_init (void);
|
|
|
|
/* FIXME: use interrupt to count high. */
|
|
grub_uint64_t
|
|
grub_get_rtc (void)
|
|
{
|
|
static grub_uint32_t high = 0;
|
|
static grub_uint32_t last = 0;
|
|
grub_uint32_t low;
|
|
|
|
asm volatile ("mfc0 %0, $9": "=r" (low));
|
|
if (low < last)
|
|
high++;
|
|
last = low;
|
|
|
|
return (((grub_uint64_t) high) << 32) | low;
|
|
}
|
|
|
|
grub_err_t
|
|
grub_machine_mmap_iterate (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t,
|
|
grub_uint64_t,
|
|
grub_uint32_t))
|
|
{
|
|
hook (GRUB_ARCH_LOWMEMPSTART, grub_arch_memsize << 20,
|
|
GRUB_MACHINE_MEMORY_AVAILABLE);
|
|
hook (GRUB_ARCH_HIGHMEMPSTART, grub_arch_highmemsize << 20,
|
|
GRUB_MACHINE_MEMORY_AVAILABLE);
|
|
return GRUB_ERR_NONE;
|
|
}
|
|
|
|
void
|
|
grub_machine_init (void)
|
|
{
|
|
grub_addr_t modend;
|
|
modend = grub_modules_get_end ();
|
|
grub_mm_init_region ((void *) modend, (grub_arch_memsize << 20)
|
|
- (modend - GRUB_ARCH_LOWMEMVSTART));
|
|
/* FIXME: use upper memory as well. */
|
|
grub_install_get_time_ms (grub_rtc_get_time_ms);
|
|
|
|
/* Initialize output terminal (can't be done earlier, as gfxterm
|
|
relies on a working heap. */
|
|
grub_video_sm712_init ();
|
|
grub_video_init ();
|
|
grub_bitmap_init ();
|
|
grub_font_init ();
|
|
grub_gfxterm_init ();
|
|
|
|
grub_at_keyboard_init ();
|
|
}
|
|
|
|
void
|
|
grub_machine_fini (void)
|
|
{
|
|
}
|
|
|
|
void
|
|
grub_exit (void)
|
|
{
|
|
while (1);
|
|
}
|
|
|
|
void
|
|
grub_halt (void)
|
|
{
|
|
while (1);
|
|
}
|
|
|
|
void
|
|
grub_reboot (void)
|
|
{
|
|
while (1);
|
|
}
|
|
|