110 lines
2.5 KiB
C
110 lines
2.5 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2009,2010 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <grub/kernel.h>
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#include <grub/misc.h>
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#include <grub/env.h>
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#include <grub/time.h>
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#include <grub/types.h>
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#include <grub/misc.h>
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#include <grub/mm.h>
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#include <grub/time.h>
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#include <grub/machine/kernel.h>
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#include <grub/machine/memory.h>
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#include <grub/cpu/kernel.h>
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extern void grub_video_sm712_init (void);
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extern void grub_video_init (void);
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extern void grub_bitmap_init (void);
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extern void grub_font_init (void);
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extern void grub_gfxterm_init (void);
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extern void grub_at_keyboard_init (void);
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/* FIXME: use interrupt to count high. */
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grub_uint64_t
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grub_get_rtc (void)
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{
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static grub_uint32_t high = 0;
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static grub_uint32_t last = 0;
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grub_uint32_t low;
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asm volatile ("mfc0 %0, $9": "=r" (low));
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if (low < last)
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high++;
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last = low;
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return (((grub_uint64_t) high) << 32) | low;
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}
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grub_err_t
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grub_machine_mmap_iterate (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t,
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grub_uint64_t,
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grub_uint32_t))
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{
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hook (GRUB_ARCH_LOWMEMPSTART, grub_arch_memsize << 20,
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GRUB_MACHINE_MEMORY_AVAILABLE);
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hook (GRUB_ARCH_HIGHMEMPSTART, grub_arch_highmemsize << 20,
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GRUB_MACHINE_MEMORY_AVAILABLE);
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return GRUB_ERR_NONE;
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}
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void
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grub_machine_init (void)
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{
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grub_addr_t modend;
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modend = grub_modules_get_end ();
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grub_mm_init_region ((void *) modend, (grub_arch_memsize << 20)
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- (modend - GRUB_ARCH_LOWMEMVSTART));
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/* FIXME: use upper memory as well. */
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grub_install_get_time_ms (grub_rtc_get_time_ms);
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/* Initialize output terminal (can't be done earlier, as gfxterm
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relies on a working heap. */
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grub_video_sm712_init ();
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grub_video_init ();
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grub_bitmap_init ();
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grub_font_init ();
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grub_gfxterm_init ();
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grub_at_keyboard_init ();
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}
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void
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grub_machine_fini (void)
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{
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}
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void
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grub_exit (void)
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{
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while (1);
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}
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void
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grub_halt (void)
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{
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while (1);
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}
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void
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grub_reboot (void)
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{
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while (1);
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}
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