Move grub_reboot out of the kernel.

* grub-core/Makefile.core.def (reboot): Add platform-specific files.
	* grub-core/kern/efi/efi.c (grub_reboot): Moved to ...
	* grub-core/lib/efi/reboot.c: ... here.
	* grub-core/kern/i386/efi/startup.S: Remove including of realmode.S.
	* grub-core/kern/i386/ieee1275/startup.S: Likewise.
	* grub-core/kern/i386/pc/startup.S (grub_exit): Inline cold_reboot.
	* grub-core/kern/i386/realmode.S (grub_reboot): Moved to...
	* grub-core/lib/i386/reboot_trampoline.S: ... here.
	* grub-core/kern/ieee1275/openfw.c (grub_reboot): Moved to...
	* grub-core/lib/ieee1275/reboot.c: ... here.
	* grub-core/kern/mips/arc/init.c (grub_reboot): Moved to...
	* grub-core/lib/mips/arc/reboot.c: ... here.
	* grub-core/kern/mips/loongson/init.c (grub_reboot): Moved to...
	* grub-core/lib/mips/loongson/reboot.c: ...here.
	* grub-core/kern/mips/qemu_mips/init.c (grub_reboot): Moved to...
	* grub-core/lib/mips/qemu_mips/reboot.c: ... here.
	* include/grub/emu/misc.h (grub_reboot): New function declaration.
	* include/grub/i386/reboot.h: New file.
	* include/grub/mips/loongson/ec.h: Fix includes.
	* include/grub/mips/qemu_mips/kernel.h (grub_reboot): Removed.
	* include/grub/misc.h (grub_reboot): Don't mark as kernel function.
	* grub-core/lib/i386/reboot.c: New file.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2011-10-19 16:53:18 +02:00
parent a97501d238
commit 544c24876e
23 changed files with 348 additions and 103 deletions

View file

@ -1,3 +1,30 @@
2011-10-19 Vladimir Serbinenko <phcoder@gmail.com>
Move grub_reboot out of the kernel.
* grub-core/Makefile.core.def (reboot): Add platform-specific files.
* grub-core/kern/efi/efi.c (grub_reboot): Moved to ...
* grub-core/lib/efi/reboot.c: ... here.
* grub-core/kern/i386/efi/startup.S: Remove including of realmode.S.
* grub-core/kern/i386/ieee1275/startup.S: Likewise.
* grub-core/kern/i386/pc/startup.S (grub_exit): Inline cold_reboot.
* grub-core/kern/i386/realmode.S (grub_reboot): Moved to...
* grub-core/lib/i386/reboot_trampoline.S: ... here.
* grub-core/kern/ieee1275/openfw.c (grub_reboot): Moved to...
* grub-core/lib/ieee1275/reboot.c: ... here.
* grub-core/kern/mips/arc/init.c (grub_reboot): Moved to...
* grub-core/lib/mips/arc/reboot.c: ... here.
* grub-core/kern/mips/loongson/init.c (grub_reboot): Moved to...
* grub-core/lib/mips/loongson/reboot.c: ...here.
* grub-core/kern/mips/qemu_mips/init.c (grub_reboot): Moved to...
* grub-core/lib/mips/qemu_mips/reboot.c: ... here.
* include/grub/emu/misc.h (grub_reboot): New function declaration.
* include/grub/i386/reboot.h: New file.
* include/grub/mips/loongson/ec.h: Fix includes.
* include/grub/mips/qemu_mips/kernel.h (grub_reboot): Removed.
* include/grub/misc.h (grub_reboot): Don't mark as kernel function.
* grub-core/lib/i386/reboot.c: New file.
2011-10-18 Vladimir Serbinenko <phcoder@gmail.com> 2011-10-18 Vladimir Serbinenko <phcoder@gmail.com>
Make grub_prefix into module to fix the arbitrary limit and save Make grub_prefix into module to fix the arbitrary limit and save

View file

@ -633,6 +633,20 @@ module = {
emu = lib/emu/halt.c; emu = lib/emu/halt.c;
}; };
module = {
name = reboot;
i386 = lib/i386/reboot.c;
i386 = lib/i386/reboot_trampoline.S;
ia64_efi = lib/efi/reboot.c;
x86_64_efi = lib/efi/reboot.c;
powerpc_ieee1275 = lib/ieee1275/reboot.c;
sparc64_ieee1275 = lib/ieee1275/reboot.c;
mips_arc = lib/mips/arc/reboot.c;
mips_loongson = lib/mips/loongson/reboot.c;
mips_qemu_mips = lib/mips/qemu_mips/reboot.c;
common = commands/reboot.c;
};
module = { module = {
name = hashsum; name = hashsum;
common = commands/hashsum.c; common = commands/hashsum.c;
@ -733,11 +747,6 @@ module = {
common = commands/read.c; common = commands/read.c;
}; };
module = {
name = reboot;
common = commands/reboot.c;
};
module = { module = {
name = search; name = search;
common = commands/search_wrap.c; common = commands/search_wrap.c;

View file

@ -163,18 +163,6 @@ grub_exit (void)
for (;;) ; for (;;) ;
} }
/* On i386, a firmware-independant grub_reboot() is provided by realmode.S. */
#ifndef __i386__
void
grub_reboot (void)
{
grub_efi_fini ();
efi_call_4 (grub_efi_system_table->runtime_services->reset_system,
GRUB_EFI_RESET_COLD, GRUB_EFI_SUCCESS, 0, NULL);
for (;;) ;
}
#endif
grub_err_t grub_err_t
grub_efi_set_virtual_address_map (grub_efi_uintn_t memory_map_size, grub_efi_set_virtual_address_map (grub_efi_uintn_t memory_map_size,
grub_efi_uintn_t descriptor_size, grub_efi_uintn_t descriptor_size,

View file

@ -51,5 +51,3 @@ codestart:
movl %eax, EXT_C(grub_efi_system_table) movl %eax, EXT_C(grub_efi_system_table)
call EXT_C(grub_main) call EXT_C(grub_main)
ret ret
#include "../realmode.S"

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@ -39,9 +39,3 @@ _start:
movl %eax, EXT_C(grub_ieee1275_entry_fn) movl %eax, EXT_C(grub_ieee1275_entry_fn)
jmp EXT_C(grub_main) jmp EXT_C(grub_main)
/*
* prot_to_real and associated structures (but NOT real_to_prot, that is
* only needed for BIOS gates).
*/
#include "../realmode.S"

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@ -465,7 +465,10 @@ FUNCTION(grub_exit)
.code16 .code16
/* Tell the BIOS a boot failure. If this does not work, reboot. */ /* Tell the BIOS a boot failure. If this does not work, reboot. */
int $0x18 int $0x18
jmp cold_reboot /* set 0x472 to 0x0000 for cold boot (0x1234 for warm boot) */
movw $0x0472, %di
movw %ax, (%di)
ljmp $0xf000, $0xfff0
.code32 .code32
/* /*

View file

@ -225,18 +225,3 @@ realcseg:
DATA32 ret DATA32 ret
.code32 .code32
/*
* grub_reboot()
*
* Reboot the system. At the moment, rely on BIOS.
*/
FUNCTION(grub_reboot)
call prot_to_real
.code16
cold_reboot:
/* set 0x472 to 0x0000 for cold boot (0x1234 for warm boot) */
movw $0x0472, %di
movw %ax, (%di)
ljmp $0xf000, $0xfff0
.code32

View file

@ -456,16 +456,6 @@ grub_ieee1275_encode_devname (const char *path)
return encoding; return encoding;
} }
/* On i386, a firmware-independant grub_reboot() is provided by realmode.S. */
#ifndef __i386__
void
grub_reboot (void)
{
grub_ieee1275_interpret ("reset-all", 0);
for (;;) ;
}
#endif
/* Resolve aliases. */ /* Resolve aliases. */
char * char *
grub_ieee1275_canonicalise_devname (const char *path) grub_ieee1275_canonicalise_devname (const char *path)

View file

@ -195,15 +195,3 @@ grub_exit (void)
while (1); while (1);
} }
void
grub_reboot (void)
{
GRUB_ARC_FIRMWARE_VECTOR->restart ();
grub_millisleep (1500);
grub_printf ("Reboot failed\n");
grub_refresh ();
while (1);
}

View file

@ -30,7 +30,6 @@
#include <grub/mips/loongson.h> #include <grub/mips/loongson.h>
#include <grub/cs5536.h> #include <grub/cs5536.h>
#include <grub/term.h> #include <grub/term.h>
#include <grub/machine/ec.h>
#include <grub/cpu/memory.h> #include <grub/cpu/memory.h>
extern void grub_video_sm712_init (void); extern void grub_video_sm712_init (void);
@ -266,37 +265,6 @@ grub_exit (void)
grub_halt (); grub_halt ();
} }
void
grub_reboot (void)
{
switch (grub_arch_machine)
{
case GRUB_ARCH_MACHINE_FULOONG2E:
grub_outb (grub_inb (0xbfe00104) & ~4, 0xbfe00104);
grub_outb (grub_inb (0xbfe00104) | 4, 0xbfe00104);
break;
case GRUB_ARCH_MACHINE_FULOONG2F:
{
grub_pci_device_t dev;
if (!grub_cs5536_find (&dev))
break;
grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_DIVIL_RESET,
grub_cs5536_read_msr (dev,
GRUB_CS5536_MSR_DIVIL_RESET)
| 1);
break;
}
case GRUB_ARCH_MACHINE_YEELOONG:
grub_write_ec (GRUB_MACHINE_EC_COMMAND_REBOOT);
break;
}
grub_millisleep (1500);
grub_printf ("Reboot failed\n");
grub_refresh ();
while (1);
}
extern char _end[]; extern char _end[];
grub_addr_t grub_modbase = (grub_addr_t) _end; grub_addr_t grub_modbase = (grub_addr_t) _end;

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@ -99,12 +99,6 @@ grub_halt (void)
while (1); while (1);
} }
void
grub_reboot (void)
{
while (1);
}
grub_err_t grub_err_t
grub_machine_mmap_iterate (grub_memory_hook_t hook) grub_machine_mmap_iterate (grub_memory_hook_t hook)
{ {

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@ -0,0 +1,32 @@
/*
* 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/efi/api.h>
#include <grub/efi/efi.h>
#include <grub/mm.h>
#include <grub/misc.h>
#include <grub/kernel.h>
void
grub_reboot (void)
{
grub_machine_fini ();
efi_call_4 (grub_efi_system_table->runtime_services->reset_system,
GRUB_EFI_RESET_COLD, GRUB_EFI_SUCCESS, 0, NULL);
for (;;) ;
}

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@ -0,0 +1,59 @@
/*
* 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/relocator.h>
#include <grub/cpu/relocator.h>
#include <grub/misc.h>
#include <grub/mm.h>
#include <grub/cpu/reboot.h>
#include <grub/i386/floppy.h>
void
grub_reboot (void)
{
struct grub_relocator *relocator = NULL;
grub_relocator_chunk_t ch;
grub_err_t err;
void *buf;
struct grub_relocator16_state state;
grub_uint16_t segment;
relocator = grub_relocator_new ();
if (!relocator)
while (1);
err = grub_relocator_alloc_chunk_align (relocator, &ch, 0x1000, 0x1000,
grub_reboot_end - grub_reboot_start,
16, GRUB_RELOCATOR_PREFERENCE_NONE);
if (err)
while (1);
buf = get_virtual_current_address (ch);
grub_memcpy (buf, grub_reboot_start, grub_reboot_end - grub_reboot_start);
segment = ((grub_addr_t) get_physical_target_address (ch)) >> 4;
state.gs = state.fs = state.es = state.ds = state.ss = segment;
state.sp = 0;
state.cs = segment;
state.ip = 0;
grub_stop_floppy ();
err = grub_relocator16_boot (relocator, state);
while (1);
}

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@ -0,0 +1,33 @@
/*
* 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/symbol.h>
#include <grub/i386/reboot.h>
.p2align 4
VARIABLE(grub_reboot_start)
.code16
/* set 0x472 to 0x0000 for cold boot (0x1234 for warm boot) */
movw $0x0472, %di
movw %ax, (%di)
ljmp $0xf000, $0xfff0
.code32
VARIABLE(grub_reboot_end)

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@ -0,0 +1,27 @@
/*
* 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/ieee1275/ieee1275.h>
#include <grub/misc.h>
void
grub_reboot (void)
{
grub_ieee1275_interpret ("reset-all", 0);
for (;;) ;
}

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@ -0,0 +1,34 @@
/*
* 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/arc/arc.h>
#include <grub/misc.h>
#include <grub/time.h>
#include <grub/term.h>
void
grub_reboot (void)
{
GRUB_ARC_FIRMWARE_VECTOR->restart ();
grub_millisleep (1500);
grub_printf ("Reboot failed\n");
grub_refresh ();
while (1);
}

View file

@ -0,0 +1,57 @@
/*
* 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/machine/ec.h>
#include <grub/machine/kernel.h>
#include <grub/machine/memory.h>
#include <grub/misc.h>
#include <grub/pci.h>
#include <grub/cs5536.h>
#include <grub/time.h>
#include <grub/term.h>
void
grub_reboot (void)
{
switch (grub_arch_machine)
{
case GRUB_ARCH_MACHINE_FULOONG2E:
grub_outb (grub_inb (0xbfe00104) & ~4, 0xbfe00104);
grub_outb (grub_inb (0xbfe00104) | 4, 0xbfe00104);
break;
case GRUB_ARCH_MACHINE_FULOONG2F:
{
grub_pci_device_t dev;
if (!grub_cs5536_find (&dev))
break;
grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_DIVIL_RESET,
grub_cs5536_read_msr (dev,
GRUB_CS5536_MSR_DIVIL_RESET)
| 1);
break;
}
case GRUB_ARCH_MACHINE_YEELOONG:
grub_write_ec (GRUB_MACHINE_EC_COMMAND_REBOOT);
break;
}
grub_millisleep (1500);
grub_printf ("Reboot failed\n");
grub_refresh ();
while (1);
}

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@ -0,0 +1,25 @@
/*
* 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/misc.h>
void
grub_reboot (void)
{
while (1);
}

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@ -82,4 +82,7 @@ int grub_device_mapper_supported (void);
char *grub_find_root_device_from_mountinfo (const char *dir, char **relroot); char *grub_find_root_device_from_mountinfo (const char *dir, char **relroot);
void EXPORT_FUNC(grub_reboot) (void);
#endif /* GRUB_EMU_MISC_H */ #endif /* GRUB_EMU_MISC_H */

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@ -0,0 +1,28 @@
/*
* 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/>.
*/
#ifndef GRUB_REBOOT_H
#define GRUB_REBOOT_H 1
#ifndef ASM_FILE
extern grub_uint8_t grub_reboot_end[], grub_reboot_start[];
#endif
#endif

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@ -19,6 +19,10 @@
#ifndef GRUB_EC_MACHINE_HEADER #ifndef GRUB_EC_MACHINE_HEADER
#define GRUB_EC_MACHINE_HEADER 1 #define GRUB_EC_MACHINE_HEADER 1
#include <grub/types.h>
#include <grub/cpu/io.h>
#include <grub/pci.h>
#define GRUB_MACHINE_EC_MAGIC_PORT1 0x381 #define GRUB_MACHINE_EC_MAGIC_PORT1 0x381
#define GRUB_MACHINE_EC_MAGIC_PORT2 0x382 #define GRUB_MACHINE_EC_MAGIC_PORT2 0x382
#define GRUB_MACHINE_EC_DATA_PORT 0x383 #define GRUB_MACHINE_EC_DATA_PORT 0x383

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@ -23,7 +23,6 @@
#ifndef ASM_FILE #ifndef ASM_FILE
void EXPORT_FUNC (grub_reboot) (void);
void EXPORT_FUNC (grub_halt) (void); void EXPORT_FUNC (grub_halt) (void);
void grub_qemu_init_cirrus (void); void grub_qemu_init_cirrus (void);

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@ -343,7 +343,7 @@ grub_div_roundup (unsigned int x, unsigned int y)
} }
/* Reboot the machine. */ /* Reboot the machine. */
void EXPORT_FUNC (grub_reboot) (void) __attribute__ ((noreturn)); void grub_reboot (void) __attribute__ ((noreturn));
#ifdef GRUB_MACHINE_PCBIOS #ifdef GRUB_MACHINE_PCBIOS
/* Halt the system, using APM if possible. If NO_APM is true, don't /* Halt the system, using APM if possible. If NO_APM is true, don't