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ARM 64 port by Leif Lindholm

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This commit is contained in:
Leif Lindholm 2013-11-16 20:52:55 +01:00 committed by Vladimir Serbinenko
parent cd46aa6cef
commit 15a463d742
26 changed files with 759 additions and 17 deletions
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12
Makefile.util.def
View file

@ -156,6 +156,8 @@ library = {
common = grub-core/io/gzio.c;
common = grub-core/io/lzopio.c;
common = grub-core/kern/ia64/dl_helper.c;
common = grub-core/kern/arm/dl_helper.c;
common = grub-core/kern/arm64/dl_helper.c;
common = grub-core/lib/minilzo/minilzo.c;
common = grub-core/lib/xzembed/xz_dec_bcj.c;
common = grub-core/lib/xzembed/xz_dec_lzma2.c;
@ -176,8 +178,6 @@ program = {
extra_dist = grub-core/osdep/unix/config.c;
common = util/config.c;
common = grub-core/kern/arm/dl_helper.c;
extra_dist = util/grub-mkimagexx.c;
ldadd = libgrubmods.a;
@ -511,8 +511,6 @@ program = {
common = grub-core/kern/emu/hostfs.c;
common = grub-core/disk/host.c;
common = grub-core/kern/arm/dl_helper.c;
common = util/resolve.c;
common = grub-core/kern/emu/argp_common.c;
@ -557,8 +555,6 @@ program = {
common = grub-core/kern/emu/hostfs.c;
common = grub-core/disk/host.c;
common = grub-core/kern/arm/dl_helper.c;
common = util/resolve.c;
common = grub-core/kern/emu/argp_common.c;
@ -594,8 +590,6 @@ program = {
common = grub-core/osdep/config.c;
common = util/config.c;
common = grub-core/kern/arm/dl_helper.c;
common = util/resolve.c;
enable = noemu;
common = grub-core/kern/emu/argp_common.c;
@ -631,8 +625,6 @@ program = {
common = grub-core/osdep/config.c;
common = util/config.c;
common = grub-core/kern/arm/dl_helper.c;
common = util/resolve.c;
common = grub-core/kern/emu/argp_common.c;
common = grub-core/osdep/init.c;

3
conf/Makefile.common
View file

@ -23,6 +23,9 @@ if COND_arm
CCASFLAGS_PLATFORM = -mthumb-interwork
LDFLAGS_PLATFORM = -Wl,--wrap=__clear_cache
endif
if COND_arm64
CFLAGS_PLATFORM += -mcmodel=large
endif
#FIXME: discover and check XEN headers
CPPFLAGS_XEN = -I/usr/include

8
configure.ac
View file

@ -99,6 +99,9 @@ case "$target_cpu" in
arm*)
target_cpu=arm;
;;
aarch64*)
target_cpu=arm64;
;;
esac
# Specify the platform (such as firmware).
@ -120,6 +123,7 @@ if test "x$with_platform" = x; then
mips-*) platform=arc ;;
ia64-*) platform=efi ;;
arm-*) platform=uboot ;;
arm64-*) platform=efi ;;
*) AC_MSG_ERROR([unsupported CPU: "$target_cpu"]) ;;
esac
else
@ -160,6 +164,7 @@ case "$target_cpu"-"$platform" in
mipsel-loongson) ;;
arm-uboot) ;;
arm-efi) ;;
arm64-efi) ;;
*-emu) ;;
*) AC_MSG_ERROR([platform "$platform" is not supported for target CPU "$target_cpu"]) ;;
esac
@ -210,6 +215,7 @@ case "$platform" in
esac
case "$target_cpu" in
arm) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_ARM=1" ;;
arm64) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_ARM64=1" ;;
mips |mipsel) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_MIPS=1" ;;
sparc64) machine_CPPFLAGS="$machine_CPPFLAGS -DGRUB_MACHINE_SPARC64=1" ;;
esac
@ -1434,6 +1440,8 @@ AM_CONDITIONAL([COND_mipseb], [test x$target_cpu = xmips])
AM_CONDITIONAL([COND_arm], [test x$target_cpu = xarm ])
AM_CONDITIONAL([COND_arm_uboot], [test x$target_cpu = xarm -a x$platform = xuboot])
AM_CONDITIONAL([COND_arm_efi], [test x$target_cpu = xarm -a x$platform = xefi])
AM_CONDITIONAL([COND_arm64], [test x$target_cpu = xarm64 ])
AM_CONDITIONAL([COND_arm64_efi], [test x$target_cpu = xarm64 -a x$platform = xefi])
AM_CONDITIONAL([COND_HOST_HURD], [test x$host_kernel = xhurd])
AM_CONDITIONAL([COND_HOST_LINUX], [test x$host_kernel = xlinux])

7
gentpl.py
View file

@ -24,7 +24,7 @@ GRUB_PLATFORMS = [ "emu", "i386_pc", "i386_efi", "i386_qemu", "i386_coreboot",
"i386_xen", "x86_64_xen",
"mips_loongson", "sparc64_ieee1275",
"powerpc_ieee1275", "mips_arc", "ia64_efi",
"mips_qemu_mips", "arm_uboot", "arm_efi" ]
"mips_qemu_mips", "arm_uboot", "arm_efi", "arm64_efi" ]
GROUPS = {}
@ -38,9 +38,10 @@ GROUPS["mips"] = [ "mips_loongson", "mips_qemu_mips", "mips_arc" ]
GROUPS["sparc64"] = [ "sparc64_ieee1275" ]
GROUPS["powerpc"] = [ "powerpc_ieee1275" ]
GROUPS["arm"] = [ "arm_uboot", "arm_efi" ]
GROUPS["arm64"] = [ "arm64_efi" ]
# Groups based on firmware
GROUPS["efi"] = [ "i386_efi", "x86_64_efi", "ia64_efi", "arm_efi" ]
GROUPS["efi"] = [ "i386_efi", "x86_64_efi", "ia64_efi", "arm_efi", "arm64_efi" ]
GROUPS["ieee1275"] = [ "i386_ieee1275", "sparc64_ieee1275", "powerpc_ieee1275" ]
GROUPS["uboot"] = [ "arm_uboot" ]
GROUPS["xen"] = [ "i386_xen", "x86_64_xen" ]
@ -66,7 +67,7 @@ GROUPS["terminfomodule"] = GRUB_PLATFORMS[:];
for i in GROUPS["terminfoinkernel"]: GROUPS["terminfomodule"].remove(i)
# Flattened Device Trees (FDT)
GROUPS["fdt"] = [ "arm_uboot", "arm_efi" ]
GROUPS["fdt"] = [ "arm64_efi", "arm_uboot", "arm_efi" ]
# Miscelaneous groups schedulded to disappear in future
GROUPS["i386_coreboot_multiboot_qemu"] = ["i386_coreboot", "i386_multiboot", "i386_qemu"]

5
grub-core/Makefile.am
View file

@ -234,6 +234,11 @@ KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/efi/efi.h
KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/efi/disk.h
endif
if COND_arm64_efi
KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/efi/efi.h
KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/efi/disk.h
endif
if COND_emu
KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/datetime.h
KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/emu/misc.h

14
grub-core/Makefile.core.def
View file

@ -67,6 +67,9 @@ kernel = {
arm_efi_ldflags = '-Wl,-r,-d';
arm_efi_stripflags = '--strip-unneeded -K start -R .note -R .comment -R .note.gnu.gold-version';
arm64_efi_ldflags = '-Wl,-r,-d';
arm64_efi_stripflags = '--strip-unneeded -K start -R .note -R .comment -R .note.gnu.gold-version';
i386_pc_ldflags = '$(TARGET_IMG_LDFLAGS)';
i386_pc_ldflags = '$(TARGET_IMG_BASE_LDOPT),0x9000';
@ -106,6 +109,7 @@ kernel = {
powerpc_ieee1275_startup = kern/powerpc/ieee1275/startup.S;
arm_uboot_startup = kern/arm/uboot/startup.S;
arm_efi_startup = kern/arm/efi/startup.S;
arm64_efi_startup = kern/arm64/efi/startup.S;
common = kern/command.c;
common = kern/corecmd.c;
@ -194,6 +198,8 @@ kernel = {
arm_efi = kern/arm/efi/init.c;
arm_efi = kern/arm/efi/misc.c;
arm64_efi = kern/arm/efi/init.c;
i386_pc = kern/i386/pc/init.c;
i386_pc = kern/i386/pc/mmap.c;
i386_pc = term/i386/pc/console.c;
@ -254,6 +260,11 @@ kernel = {
arm = kern/arm/cache.c;
arm = kern/arm/misc.S;
arm64 = kern/arm64/cache.c;
arm64 = kern/arm64/cache_flush.S;
arm64 = kern/arm64/dl.c;
arm64 = kern/arm64/dl_helper.c;
emu = disk/host.c;
emu = kern/emu/cache_s.S;
emu = kern/emu/hostdisk.c;
@ -750,6 +761,7 @@ module = {
enable = mips_arc;
enable = ia64_efi;
enable = arm_efi;
enable = arm64_efi;
enable = arm_uboot;
};
@ -845,6 +857,7 @@ module = {
ia64_efi = lib/efi/reboot.c;
x86_64_efi = lib/efi/reboot.c;
arm_efi = lib/efi/reboot.c;
arm64_efi = lib/efi/reboot.c;
powerpc_ieee1275 = lib/ieee1275/reboot.c;
sparc64_ieee1275 = lib/ieee1275/reboot.c;
mips_arc = lib/mips/arc/reboot.c;
@ -1707,6 +1720,7 @@ module = {
enable = x86;
enable = ia64_efi;
enable = arm_efi;
enable = arm64_efi;
enable = mips;
};

72
grub-core/kern/arm64/cache.c Normal file
View file

@ -0,0 +1,72 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2013 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/cache.h>
#include <grub/misc.h>
grub_int64_t grub_arch_cache_dlinesz;
grub_int64_t grub_arch_cache_ilinesz;
/* Prototypes for asm functions. */
void grub_arch_sync_caches_real (grub_uint64_t address, grub_uint64_t end);
static void
probe_caches (void)
{
grub_uint32_t cache_type;
/* Read Cache Type Register */
asm volatile ("mrs %0, ctr_el0": "=r"(cache_type));
grub_arch_cache_dlinesz = 8 << ((cache_type >> 16) & 0xf);
grub_arch_cache_ilinesz = 8 << (cache_type & 0xf);
grub_dprintf("cache", "D$ line size: %lld\n",
(long long) grub_arch_cache_dlinesz);
grub_dprintf("cache", "I$ line size: %lld\n",
(long long) grub_arch_cache_ilinesz);
}
void
grub_arch_sync_caches (void *address, grub_size_t len)
{
grub_uint64_t start, end;
if (grub_arch_cache_dlinesz == 0)
probe_caches();
if (grub_arch_cache_dlinesz == 0)
grub_fatal ("Unknown cache line size!");
grub_dprintf("cache", "syncing caches for %p-%lx\n",
address, (grub_addr_t) address + len);
/* Align here to both cache lines. Saves a tiny bit of asm complexity and
most of potential problems with different line sizes. */
start = (grub_uint64_t) address;
end = (grub_uint64_t) address + len;
start = ALIGN_DOWN (start, grub_arch_cache_dlinesz);
start = ALIGN_DOWN (start, grub_arch_cache_ilinesz);
end = ALIGN_UP (end, grub_arch_cache_dlinesz);
end = ALIGN_UP (end, grub_arch_cache_ilinesz);
grub_dprintf("cache", "aligned to: %lx-%lx\n",
start, end);
grub_arch_sync_caches_real (start, end);
}

67
grub-core/kern/arm64/cache_flush.S Normal file
View file

@ -0,0 +1,67 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2013 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>
.file "cache_flush.S"
.text
/*
* Simple cache maintenance functions
*/
// r0 - *beg (inclusive)
// r1 - *end (exclusive)
clean_dcache_range:
// Clean data cache for range to point-of-unification
ldr x2, =EXT_C(grub_arch_cache_dlinesz)
ldr x2, [x2]
1: cmp x0, x1
bge 2f
dc cvau, x0 // Clean Virtual Address to PoU
add x0, x0, x2 // Next line
b 1b
2: dsb ish
ret
// r0 - *beg (inclusive)
// r1 - *end (exclusive)
invalidate_icache_range:
// Invalidate instruction cache for range to point-of-unification
ldr x2, =EXT_C(grub_arch_cache_ilinesz)
ldr x2, [x2]
1: cmp x0, x1
bge 2f
ic ivau, x0 // Invalidate Virtual Address to PoU
add x0, x0, x2 // Next line
b 1b
// Branch predictor invalidation not needed on AArch64
2: dsb ish
isb
ret
// void grub_arch_sync_caches_real (void *address, grub_size_t len)
FUNCTION(grub_arch_sync_caches_real)
dsb ish
stp x0, x30, [sp, #-16]!
stp x0, x1, [sp, #-16]!
bl clean_dcache_range
ldp x0, x1, [sp], #16
bl invalidate_icache_range
ldp x0, x30, [sp], #16
ret

199
grub-core/kern/arm64/dl.c Normal file
View file

@ -0,0 +1,199 @@
/* dl.c - arch-dependent part of loadable module support */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2013 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/dl.h>
#include <grub/elf.h>
#include <grub/misc.h>
#include <grub/err.h>
#include <grub/mm.h>
#include <grub/i18n.h>
#include <grub/cpu/reloc.h>
/*
* Check if EHDR is a valid ELF header.
*/
grub_err_t
grub_arch_dl_check_header (void *ehdr)
{
Elf_Ehdr *e = ehdr;
/* Check the magic numbers. */
if (e->e_ident[EI_CLASS] != ELFCLASS64
|| e->e_ident[EI_DATA] != ELFDATA2LSB || e->e_machine != EM_AARCH64)
return grub_error (GRUB_ERR_BAD_OS,
N_("invalid arch-dependent ELF magic"));
return GRUB_ERR_NONE;
}
/*
* Unified function for both REL and RELA
*/
static grub_err_t
do_relX (Elf_Shdr * relhdr, Elf_Ehdr * e, grub_dl_t mod)
{
grub_err_t retval;
grub_dl_segment_t segment;
Elf_Rel *rel;
Elf_Rela *rela;
Elf_Sym *symbol;
int i, entnum;
unsigned long long entsize;
/* Find the target segment for this relocation section. */
for (segment = mod->segment ; segment != 0 ; segment = segment->next)
if (segment->section == relhdr->sh_info)
break;
if (!segment)
return grub_error (GRUB_ERR_EOF, N_("relocation segment not found"));
rel = (Elf_Rel *) ((grub_addr_t) e + relhdr->sh_offset);
rela = (Elf_Rela *) rel;
if (relhdr->sh_type == SHT_RELA)
entsize = sizeof (Elf_Rela);
else
entsize = sizeof (Elf_Rel);
entnum = relhdr->sh_size / entsize;
retval = GRUB_ERR_NONE;
grub_dprintf("dl", "Processing %d relocation entries.\n", entnum);
/* Step through all relocations */
for (i = 0, symbol = mod->symtab; i < entnum; i++)
{
void *place;
grub_uint64_t sym_addr, symidx, reltype;
if (rel->r_offset >= segment->size)
return grub_error (GRUB_ERR_BAD_MODULE,
"reloc offset is out of the segment");
symidx = ELF_R_SYM (rel->r_info);
reltype = ELF_R_TYPE (rel->r_info);
sym_addr = symbol[symidx].st_value;
if (relhdr->sh_type == SHT_RELA)
sym_addr += rela->r_addend;
place = (void *) ((grub_addr_t) segment->addr + rel->r_offset);
switch (reltype)
{
case R_AARCH64_ABS64:
{
grub_uint64_t *abs_place = place;
grub_dprintf ("dl", " reloc_abs64 %p => 0x%016llx\n",
place, (unsigned long long) sym_addr);
*abs_place = (grub_uint64_t) sym_addr;
}
break;
case R_AARCH64_CALL26:
case R_AARCH64_JUMP26:
retval = grub_arm64_reloc_xxxx26 (place, sym_addr);
break;
default:
return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
N_("relocation 0x%x is not implemented yet"),
reltype);
}
if (retval != GRUB_ERR_NONE)
break;
rel = (Elf_Rel *) ((grub_addr_t) rel + entsize);
rela++;
}
return retval;
}
/*
* Verify that provided ELF header contains reference to a symbol table
*/
static int
has_symtab (Elf_Ehdr * e)
{
int i;
Elf_Shdr *s;
for (i = 0, s = (Elf_Shdr *) ((grub_addr_t) e + e->e_shoff);
i < e->e_shnum;
i++, s = (Elf_Shdr *) ((grub_addr_t) s + e->e_shentsize))
if (s->sh_type == SHT_SYMTAB)
return 1;
return 0;
}
/*
* grub_arch_dl_relocate_symbols():
* Locates the relocations section of the ELF object, and calls
* do_relX() to deal with it.
*/
grub_err_t
grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr)
{
Elf_Ehdr *e = ehdr;
Elf_Shdr *s;
unsigned i;
if (!has_symtab (e))
return grub_error (GRUB_ERR_BAD_MODULE, N_("no symbol table"));
#define FIRST_SHDR(x) ((Elf_Shdr *) ((grub_addr_t)(x) + (x)->e_shoff))
#define NEXT_SHDR(x, y) ((Elf_Shdr *) ((grub_addr_t)(y) + (x)->e_shentsize))
for (i = 0, s = FIRST_SHDR (e); i < e->e_shnum; i++, s = NEXT_SHDR (e, s))
{
grub_err_t ret;
switch (s->sh_type)
{
case SHT_REL:
case SHT_RELA:
{
ret = do_relX (s, e, mod);
if (ret != GRUB_ERR_NONE)
return ret;
}
break;
case SHT_ARM_ATTRIBUTES:
case SHT_NOBITS:
case SHT_NULL:
case SHT_PROGBITS:
case SHT_SYMTAB:
case SHT_STRTAB:
break;
default:
{
grub_dprintf ("dl", "unhandled section_type: %d (0x%08x)\n",
s->sh_type, s->sh_type);
return GRUB_ERR_NOT_IMPLEMENTED_YET;
};
}
}
#undef FIRST_SHDR
#undef NEXT_SHDR
return GRUB_ERR_NONE;
}

70
grub-core/kern/arm64/dl_helper.c Normal file
View file

@ -0,0 +1,70 @@
/* dl_helper.c - relocation helper functions for modules and grub-mkimage */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2013 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/dl.h>
#include <grub/elf.h>
#include <grub/misc.h>
#include <grub/err.h>
#include <grub/mm.h>
#include <grub/i18n.h>
#include <grub/cpu/reloc.h>
static grub_ssize_t
sign_compress_offset (grub_ssize_t offset, int bitpos)
{
return offset & ((1LL << (bitpos + 1)) - 1);
}
/*
* grub_arm64_reloc_xxxx26():
*
* JUMP26/CALL26 relocations for B and BL instructions.
*/
grub_err_t
grub_arm64_reloc_xxxx26 (grub_uint32_t *place, Elf64_Addr adjust)
{
grub_uint32_t insword, insmask;
grub_ssize_t offset;
const grub_ssize_t offset_low = -(1 << 27), offset_high = (1 << 27) - 1;
insword = grub_le_to_cpu32 (*place);
insmask = 0xfc000000;
offset = adjust;
#ifndef GRUB_UTIL
offset -= (grub_addr_t) place;
#endif
if ((offset < offset_low) || (offset > offset_high))
{
return grub_error (GRUB_ERR_BAD_MODULE,
N_("CALL26 Relocation out of range"));
}
grub_dprintf ("dl", " reloc_xxxx64 %p %c= 0x%llx\n",
place, offset > 0 ? '+' : '-',
offset < 0 ? (long long) -(unsigned long long) offset : offset);
offset = sign_compress_offset (offset, 27) >> 2;
*place = grub_cpu_to_le32 ((insword & insmask) | offset);
return GRUB_ERR_NONE;
}

34
grub-core/kern/arm64/efi/startup.S Normal file
View file

@ -0,0 +1,34 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2013 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>
.file "startup.S"
.text
FUNCTION(_start)
/*
* EFI_SYSTEM_TABLE and EFI_HANDLE are passed in x1/x0.
*/
ldr x2, =EXT_C(grub_efi_image_handle)
str x0, [x2]
ldr x2, =EXT_C(grub_efi_system_table)
str x1, [x2]
ldr x2, =EXT_C(grub_main)
br x2
.end

53
grub-core/lib/arm64/setjmp.S Normal file
View file

@ -0,0 +1,53 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2013 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>
.file "setjmp.S"
.text
/*
* int grub_setjmp (grub_jmp_buf env)
*/
FUNCTION(grub_setjmp)
stp x19, x20, [x0], #16
stp x21, x22, [x0], #16
stp x23, x24, [x0], #16
stp x25, x26, [x0], #16
stp x27, x28, [x0], #16
stp x29, x30, [x0], #16
mov x1, sp
str x1, [x0]
mov x0, #0
ret
/*
* int grub_longjmp (grub_jmp_buf env, int val)
*/
FUNCTION(grub_longjmp)
ldp x19, x20, [x0], #16
ldp x21, x22, [x0], #16
ldp x23, x24, [x0], #16
ldp x25, x26, [x0], #16
ldp x27, x28, [x0], #16
ldp x29, x30, [x0], #16
ldr x2, [x0]
mov sp, x2
cmp x1, #0
csel x0, x1, x0, ne
ret

2
grub-core/lib/efi/halt.c
View file

@ -29,7 +29,7 @@ void
grub_halt (void)
{
grub_machine_fini (GRUB_LOADER_FLAG_NORETURN);
#if !defined(__ia64__) && !defined(__arm__)
#if !defined(__ia64__) && !defined(__arm__) && !defined(__aarch64__)
grub_acpi_halt ();
#endif
efi_call_4 (grub_efi_system_table->runtime_services->reset_system,

2
grub-core/lib/setjmp.S
View file

@ -13,6 +13,8 @@
#include "./ia64/longjmp.S"
#elif defined(__arm__)
#include "./arm/setjmp.S"
#elif defined(__aarch64__)
#include "./arm64/setjmp.S"
#else
#error "Unknown target cpu type"
#endif

1
include/grub/arm64/efi/memory.h Normal file
View file

@ -0,0 +1 @@
#include <grub/efi/memory.h>

24
include/grub/arm64/reloc.h Normal file
View file

@ -0,0 +1,24 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2013 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_ARM64_RELOC_H
#define GRUB_ARM64_RELOC_H 1
grub_err_t grub_arm64_reloc_xxxx26 (grub_uint32_t *target, Elf64_Addr sym_addr);
#endif

27
include/grub/arm64/setjmp.h Normal file
View file

@ -0,0 +1,27 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2013 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_SETJMP_CPU_HEADER
#define GRUB_SETJMP_CPU_HEADER 1
typedef unsigned long long grub_jmp_buf[13];
int grub_setjmp (grub_jmp_buf env) RETURNS_TWICE;
void grub_longjmp (grub_jmp_buf env, int val) __attribute__ ((noreturn));
#endif /* ! GRUB_SETJMP_CPU_HEADER */

29
include/grub/arm64/time.h Normal file
View file

@ -0,0 +1,29 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2013 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 KERNEL_CPU_TIME_HEADER
#define KERNEL_CPU_TIME_HEADER 1
static __inline void
grub_cpu_idle (void)
{
/* FIXME: this can't work until we handle interrupts. */
/* __asm__ __volatile__ ("wfi"); */
}
#endif /* ! KERNEL_CPU_TIME_HEADER */

34
include/grub/arm64/types.h Normal file
View file

@ -0,0 +1,34 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2013 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_TYPES_CPU_HEADER
#define GRUB_TYPES_CPU_HEADER 1
/* The size of void *. */
#define GRUB_TARGET_SIZEOF_VOID_P 8
/* The size of long. */
#define GRUB_TARGET_SIZEOF_LONG 8
/* currently only support little-endian. */
#undef GRUB_TARGET_WORDS_BIGENDIAN
/* Unaligned accesses only supported if MMU enabled */
#undef GRUB_HAVE_UNALIGNED_ACCESS
#endif /* ! GRUB_TYPES_CPU_HEADER */

3
include/grub/efi/api.h
View file

@ -1534,7 +1534,8 @@ struct grub_efi_block_io
};
typedef struct grub_efi_block_io grub_efi_block_io_t;
#if (GRUB_TARGET_SIZEOF_VOID_P == 4) || defined (__ia64__)
#if (GRUB_TARGET_SIZEOF_VOID_P == 4) || defined (__ia64__) \
|| defined (__aarch64__)
#define efi_call_0(func) func()
#define efi_call_1(func, a) func(a)

1
include/grub/efi/pe32.h
View file

@ -67,6 +67,7 @@ struct grub_pe32_coff_header
#define GRUB_PE32_MACHINE_IA64 0x200
#define GRUB_PE32_MACHINE_X86_64 0x8664
#define GRUB_PE32_MACHINE_ARMTHUMB_MIXED 0x01c2
#define GRUB_PE32_MACHINE_ARM64 0xAA64
#define GRUB_PE32_RELOCS_STRIPPED 0x0001
#define GRUB_PE32_EXECUTABLE_IMAGE 0x0002

16
include/grub/elf.h
View file

@ -246,6 +246,7 @@ typedef struct
#define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */
#define EM_XTENSA 94 /* Tensilica Xtensa Architecture */
#define EM_NUM 95
#define EM_AARCH64 183 /* ARM 64-bit architecture */
/* If it is necessary to assign new unofficial EM_* values, please
pick large random numbers (0x8523, 0xa7f2, etc.) to minimize the
@ -2062,6 +2063,21 @@ typedef Elf32_Addr Elf32_Conflict;
#define SHT_ARM_ATTRIBUTES (SHT_LOPROC + 3) /* ARM attributes section. */
/* AArch64 relocs. */
#define R_AARCH64_NONE 0 /* No relocation. */
#define R_AARCH64_ABS64 257 /* Direct 64 bit. */
#define R_AARCH64_ABS32 258 /* Direct 32 bit. */
#define R_AARCH64_JUMP26 282 /* 26-bit relative. */
#define R_AARCH64_CALL26 283 /* 26-bit relative. */
#define R_AARCH64_COPY 1024 /* Copy symbol at runtime. */
#define R_AARCH64_GLOB_DAT 1025 /* Create GOT entry. */
#define R_AARCH64_JUMP_SLOT 1026 /* Create PLT entry. */
#define R_AARCH64_RELATIVE 1027 /* Adjust by program base. */
#define R_AARCH64_TLS_DTPMOD64 1028 /* Module number, 64 bit. */
#define R_AARCH64_TLS_DTPREL64 1029 /* Module-relative offset, 64 bit. */
#define R_AARCH64_TLS_TPREL64 1030 /* TP-relative offset, 64 bit. */
#define R_AARCH64_TLSDESC 1031 /* TLS Descriptor. */
/* ARM relocs. */
#define R_ARM_NONE 0 /* No reloc */
#define R_ARM_PC24 1 /* PC relative 26 bit branch */

1
include/grub/util/install.h
View file

@ -87,6 +87,7 @@ enum grub_install_plat
GRUB_INSTALL_PLATFORM_ARM_EFI,
GRUB_INSTALL_PLATFORM_MIPSEL_QEMU_MIPS,
GRUB_INSTALL_PLATFORM_MIPS_QEMU_MIPS,
GRUB_INSTALL_PLATFORM_ARM64_EFI,
GRUB_INSTALL_PLATFORM_MAX
};

16
util/grub-install.c
View file

@ -256,6 +256,8 @@ get_default_platform (void)
return "ia64-efi";
#elif defined (__arm__)
return "arm-uboot";
#elif defined (__aarch64__)
return "arm64-efi";
#elif defined (__amd64__) || defined (__x86_64__) || defined (__i386__)
return grub_install_get_default_x86_platform ();
#else
@ -389,6 +391,7 @@ have_bootdev (enum grub_install_plat pl)
case GRUB_INSTALL_PLATFORM_X86_64_EFI:
case GRUB_INSTALL_PLATFORM_IA64_EFI:
case GRUB_INSTALL_PLATFORM_ARM_EFI:
case GRUB_INSTALL_PLATFORM_ARM64_EFI:
case GRUB_INSTALL_PLATFORM_I386_IEEE1275:
case GRUB_INSTALL_PLATFORM_SPARC64_IEEE1275:
case GRUB_INSTALL_PLATFORM_POWERPC_IEEE1275:
@ -736,6 +739,7 @@ main (int argc, char *argv[])
case GRUB_INSTALL_PLATFORM_I386_EFI:
case GRUB_INSTALL_PLATFORM_X86_64_EFI:
case GRUB_INSTALL_PLATFORM_ARM_EFI:
case GRUB_INSTALL_PLATFORM_ARM64_EFI:
case GRUB_INSTALL_PLATFORM_IA64_EFI:
case GRUB_INSTALL_PLATFORM_I386_IEEE1275:
case GRUB_INSTALL_PLATFORM_SPARC64_IEEE1275:
@ -773,6 +777,7 @@ main (int argc, char *argv[])
case GRUB_INSTALL_PLATFORM_I386_EFI:
case GRUB_INSTALL_PLATFORM_X86_64_EFI:
case GRUB_INSTALL_PLATFORM_ARM_EFI:
case GRUB_INSTALL_PLATFORM_ARM64_EFI:
case GRUB_INSTALL_PLATFORM_IA64_EFI:
case GRUB_INSTALL_PLATFORM_I386_IEEE1275:
case GRUB_INSTALL_PLATFORM_ARM_UBOOT:
@ -818,6 +823,7 @@ main (int argc, char *argv[])
case GRUB_INSTALL_PLATFORM_I386_EFI:
case GRUB_INSTALL_PLATFORM_X86_64_EFI:
case GRUB_INSTALL_PLATFORM_ARM_EFI:
case GRUB_INSTALL_PLATFORM_ARM64_EFI:
case GRUB_INSTALL_PLATFORM_IA64_EFI:
is_efi = 1;
break;
@ -922,6 +928,9 @@ main (int argc, char *argv[])
case GRUB_INSTALL_PLATFORM_ARM_EFI:
efi_file = "BOOTARM.EFI";
break;
case GRUB_INSTALL_PLATFORM_ARM64_EFI:
efi_file = "BOOTAARCH64.EFI";
break;
default:
grub_util_error ("%s", _("You've found a bug"));
break;
@ -946,6 +955,9 @@ main (int argc, char *argv[])
case GRUB_INSTALL_PLATFORM_ARM_EFI:
efi_file = "grubarm.efi";
break;
case GRUB_INSTALL_PLATFORM_ARM64_EFI:
efi_file = "grubarm64.efi";
break;
default:
efi_file = "grub.efi";
break;
@ -1171,6 +1183,7 @@ main (int argc, char *argv[])
case GRUB_INSTALL_PLATFORM_I386_EFI:
case GRUB_INSTALL_PLATFORM_X86_64_EFI:
case GRUB_INSTALL_PLATFORM_ARM_EFI:
case GRUB_INSTALL_PLATFORM_ARM64_EFI:
case GRUB_INSTALL_PLATFORM_IA64_EFI:
g = grub_util_guess_efi_drive (*curdev);
break;
@ -1258,6 +1271,7 @@ main (int argc, char *argv[])
case GRUB_INSTALL_PLATFORM_I386_EFI:
case GRUB_INSTALL_PLATFORM_X86_64_EFI:
case GRUB_INSTALL_PLATFORM_ARM_EFI:
case GRUB_INSTALL_PLATFORM_ARM64_EFI:
case GRUB_INSTALL_PLATFORM_IA64_EFI:
core_name = "core.efi";
snprintf (mkimage_target, sizeof (mkimage_target),
@ -1358,6 +1372,7 @@ main (int argc, char *argv[])
}
break;
case GRUB_INSTALL_PLATFORM_ARM_EFI:
case GRUB_INSTALL_PLATFORM_ARM64_EFI:
case GRUB_INSTALL_PLATFORM_IA64_EFI:
case GRUB_INSTALL_PLATFORM_MIPSEL_QEMU_MIPS:
case GRUB_INSTALL_PLATFORM_MIPS_QEMU_MIPS:
@ -1488,6 +1503,7 @@ main (int argc, char *argv[])
case GRUB_INSTALL_PLATFORM_X86_64_EFI:
case GRUB_INSTALL_PLATFORM_ARM_EFI:
case GRUB_INSTALL_PLATFORM_ARM64_EFI:
case GRUB_INSTALL_PLATFORM_IA64_EFI:
{
char *dst = grub_util_path_concat (2, efidir, efi_file);

59
util/grub-mkimagexx.c
View file

@ -718,6 +718,35 @@ SUFFIX (relocate_addresses) (Elf_Ehdr *e, Elf_Shdr *sections,
break;
}
break;
case EM_AARCH64:
{
sym_addr += addend;
switch (ELF_R_TYPE (info))
{
case R_AARCH64_ABS64:
{
*target = grub_host_to_target64 (grub_target_to_host64 (*target) + sym_addr);
}
break;
case R_AARCH64_JUMP26:
case R_AARCH64_CALL26:
{
grub_err_t err;
sym_addr -= offset;
sym_addr -= SUFFIX (entry_point);
err = grub_arm64_reloc_xxxx26((grub_uint32_t *)target,
sym_addr);
if (err)
grub_util_error ("%s", grub_errmsg);
}
break;
default:
grub_util_error (_("relocation %d is not implemented yet"),
(unsigned long long) ELF_R_TYPE (info));
break;
}
break;
}
#endif
#if defined(MKIMAGE_ELF32)
case EM_ARM:
@ -995,6 +1024,32 @@ SUFFIX (make_reloc_section) (Elf_Ehdr *e, void **out,
break;
}
break;
case EM_AARCH64:
switch (ELF_R_TYPE (info))
{
case R_AARCH64_ABS64:
{
Elf_Addr addr;
addr = section_address + offset;
current_address
= SUFFIX (add_fixup_entry) (&lst,
GRUB_PE32_REL_BASED_DIR64,
addr, 0, current_address,
image_target);
}
break;
/* Relative relocations do not require fixup entries. */
case R_AARCH64_CALL26:
case R_AARCH64_JUMP26:
break;
default:
grub_util_error (_("fixup for relocation %d is not implemented yet"),
(unsigned long long) ELF_R_TYPE (info));
break;
}
break;
break;
#if defined(MKIMAGE_ELF32)
case EM_ARM:
switch (ELF_R_TYPE (info))
@ -1358,7 +1413,7 @@ SUFFIX (load_image) (const char *kernel_path, size_t *exec_size,
image_target);
if (*start == 0)
grub_util_error ("start symbol is not defined");
SUFFIX (entry_point) = (Elf_Addr) *start;
/* Resolve addresses in the virtual address space. */
@ -1367,7 +1422,7 @@ SUFFIX (load_image) (const char *kernel_path, size_t *exec_size,
num_sections, strtab,
out_img, ia64_toff, ia64_got_off,
image_target);
*reloc_size = SUFFIX (make_reloc_section) (e, reloc_section,
section_vaddresses, sections,
section_entsize, num_sections,

17
util/mkimage.c
View file

@ -42,6 +42,7 @@
#include <grub/efi/pe32.h>
#include <grub/uboot/image.h>
#include <grub/arm/reloc.h>
#include <grub/arm64/reloc.h>
#include <grub/ia64/reloc.h>
#include <grub/osdep/hostfile.h>
#include <grub/util/install.h>
@ -578,6 +579,22 @@ static const struct grub_install_image_target_desc image_targets[] =
.pe_target = GRUB_PE32_MACHINE_ARMTHUMB_MIXED,
.elf_target = EM_ARM,
},
{
.dirname = "arm64-efi",
.names = { "arm64-efi", NULL },
.voidp_sizeof = 8,
.bigendian = 0,
.id = IMAGE_EFI,
.flags = PLATFORM_FLAGS_NONE,
.total_module_size = TARGET_NO_FIELD,
.decompressor_compressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_addr = TARGET_NO_FIELD,
.section_align = GRUB_PE32_SECTION_ALIGNMENT,
.vaddr_offset = EFI64_HEADER_SIZE,
.pe_target = GRUB_PE32_MACHINE_ARM64,
.elf_target = EM_AARCH64,
},
};
#define grub_target_to_host32(x) (grub_target_to_host32_real (image_target, (x)))