grub/kern/efi/efi.c
okuji 976a4ea036 2006-04-19 Yoshinori K. Okuji <okuji@enbug.org>
* DISTLIST: Added include/grub/efi/console.h,
        include/grub/efi/time.h, include/grub/i386/efi/kernel.h,
        kern/efi/init.c, kern/efi/mm.c, and term/efi/console.c.

        * include/grub/efi/console.h: New file.
        * include/grub/efi/time.h: Likewise.
        * include/grub/i386/efi/kernel.h: Likewise.
        * kern/efi/init.c: Likewise.
        * kern/efi/mm.c: Likewise.
        * term/efi/console.c: Likewise.

        * kern/i386/efi/init.c: Do not include grub/machine/time.h.
        (grub_stop): Removed.
        (grub_get_rtc): Likewise.
        (grub_machine_init): Simply call grub_efi_init.
        (grub_machine_fini): Call grub_efi_fini.

        * kern/efi/efi.c: Include grub/machine/time.h and grub/term.h.
        (grub_efi_output_string): Removed.
        (grub_efi_stall): New function.
        (grub_stop): Likewise.
        (grub_get_rtc): Likewise.

        * include/grub/efi/efi.h (grub_efi_output_string): Removed.
        (grub_efi_stall): New prototype.
        (grub_efi_allocate_pages): Likewise.
        (grub_efi_free_pages): Likewise.
        (grub_efi_get_memory_map): Likewise.
        (grub_efi_mm_init): Likewise.
        (grub_efi_mm_fini): Likewise.
        (grub_efi_init): Likewise.
        (grub_efi_fini): Likewise.

        * include/grub/i386/efi/time.h: Do not include
        grub/symbol.h. Include grub/efi/time.h.
        (GRUB_TICKS_PER_SECOND): Removed.
        (grub_get_rtc): Likewise.

        * include/grub/efi/api.h (struct grub_efi_memory_descriptor):
        Added padding. The EFI spec is buggy.
        (GRUB_EFI_BLACK): New macro.
        (GRUB_EFI_BLUE): Likewise.
        (GRUB_EFI_GREEN): Likewise.
        (GRUB_EFI_CYAN): Likewise.
        (GRUB_EFI_RED): Likewise.
        (GRUB_EFI_MAGENTA): Likewise.
        (GRUB_EFI_BROWN): Likewise.
        (GRUB_EFI_LIGHTGRAY): Likewise.
        (GRUB_EFI_BRIGHT): Likewise.
        (GRUB_EFI_DARKGRAY): Likewise.
        (GRUB_EFI_LIGHTBLUE): Likewise.
        (GRUB_EFI_LIGHTGREEN): Likewise.
        (GRUB_EFI_LIGHTCYAN): Likewise.
        (GRUB_EFI_LIGHTRED): Likewise.
        (GRUB_EFI_LIGHTMAGENTA): Likewise.
        (GRUB_EFI_YELLOW): Likewise.
        (GRUB_EFI_WHITE): Likewise.
        (GRUB_EFI_BACKGROUND_BLACK): Likewise.
        (GRUB_EFI_BACKGROUND_BLUE): Likewise.
        (GRUB_EFI_BACKGROUND_GREEN): Likewise.
        (GRUB_EFI_BACKGROUND_CYAN): Likewise.
        (GRUB_EFI_BACKGROUND_RED): Likewise.
        (GRUB_EFI_BACKGROUND_MAGENTA): Likewise.
        (GRUB_EFI_BACKGROUND_BROWN): Likewise.
        (GRUB_EFI_BACKGROUND_LIGHTGRAY): Likewise.
        (GRUB_EFI_TEXT_ATTR): Likewise.

        * conf/i386-efi.rmk (kernel_mod_SOURCES): Added kern/efi/efi.c,
        kern/efi/init.c, kern/efi/mm.c, and term/efi/console.c.
        (kernel_mod_HEADERS): Added efi/time.h.
2006-04-19 08:59:44 +00:00

110 lines
2.8 KiB
C

/* efi.c - generic EFI support */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2006 Free Software Foundation, Inc.
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <grub/misc.h>
#include <grub/efi/api.h>
#include <grub/efi/efi.h>
#include <grub/efi/console_control.h>
#include <grub/machine/time.h>
#include <grub/term.h>
/* The handle of GRUB itself. Filled in by the startup code. */
grub_efi_handle_t grub_efi_image_handle;
/* The pointer to a system table. Filled in by the startup code. */
grub_efi_system_table_t *grub_efi_system_table;
static grub_efi_guid_t grub_efi_console_control_guid = GRUB_EFI_CONSOLE_CONTROL_GUID;
void *
grub_efi_locate_protocol (grub_efi_guid_t *protocol, void *registration)
{
void *interface;
grub_efi_status_t status;
status = grub_efi_system_table->boot_services->locate_protocol (protocol,
registration,
&interface);
if (status != GRUB_EFI_SUCCESS)
return 0;
return interface;
}
int
grub_efi_set_text_mode (int on)
{
grub_efi_console_control_protocol_t *c;
grub_efi_screen_mode_t mode, new_mode;
c = grub_efi_locate_protocol (&grub_efi_console_control_guid, 0);
if (! c)
return 0;
if (c->get_mode (c, &mode, 0, 0) != GRUB_EFI_SUCCESS)
return 0;
new_mode = on ? GRUB_EFI_SCREEN_TEXT : GRUB_EFI_SCREEN_GRAPHICS;
if (mode != new_mode)
if (c->set_mode (c, new_mode) != GRUB_EFI_SUCCESS)
return 0;
return 1;
}
void
grub_efi_exit (void)
{
grub_efi_system_table->boot_services->exit (grub_efi_image_handle,
GRUB_EFI_SUCCESS,
0, 0);
}
void
grub_efi_stall (grub_efi_uintn_t microseconds)
{
grub_efi_system_table->boot_services->stall (microseconds);
}
void
grub_stop (void)
{
grub_printf ("\nPress any key to abort.\n");
grub_getkey ();
grub_efi_fini ();
grub_efi_exit ();
}
grub_uint32_t
grub_get_rtc (void)
{
grub_efi_time_t time;
grub_efi_runtime_services_t *r;
r = grub_efi_system_table->runtime_services;
if (r->get_time (&time, 0) != GRUB_EFI_SUCCESS)
/* What is possible in this case? */
return 0;
return (((time.minute * 60 + time.second) * 1000
+ time.nanosecond / 1000000)
* GRUB_TICKS_PER_SECOND / 1000);
}