New port arm64-efi
This commit is contained in:
Leif Lindholm
Vladimir Serbinenko
commit
b29b77fee2
28 changed files with 746 additions and 17 deletions
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@ -234,6 +234,11 @@ KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/efi/efi.h
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KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/efi/disk.h
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endif
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if COND_arm64_efi
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KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/efi/efi.h
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KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/efi/disk.h
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endif
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if COND_emu
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KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/datetime.h
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KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/emu/misc.h
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@ -67,6 +67,9 @@ kernel = {
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arm_efi_ldflags = '-Wl,-r,-d';
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arm_efi_stripflags = '--strip-unneeded -K start -R .note -R .comment -R .note.gnu.gold-version';
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arm64_efi_ldflags = '-Wl,-r,-d';
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arm64_efi_stripflags = '--strip-unneeded -K start -R .note -R .comment -R .note.gnu.gold-version';
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i386_pc_ldflags = '$(TARGET_IMG_LDFLAGS)';
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i386_pc_ldflags = '$(TARGET_IMG_BASE_LDOPT),0x9000';
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@ -106,6 +109,7 @@ kernel = {
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powerpc_ieee1275_startup = kern/powerpc/ieee1275/startup.S;
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arm_uboot_startup = kern/arm/uboot/startup.S;
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arm_efi_startup = kern/arm/efi/startup.S;
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arm64_efi_startup = kern/arm64/efi/startup.S;
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common = kern/command.c;
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common = kern/corecmd.c;
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@ -194,6 +198,8 @@ kernel = {
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arm_efi = kern/arm/efi/init.c;
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arm_efi = kern/arm/efi/misc.c;
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arm64_efi = kern/arm/efi/init.c;
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i386_pc = kern/i386/pc/init.c;
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i386_pc = kern/i386/pc/mmap.c;
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i386_pc = term/i386/pc/console.c;
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@ -254,6 +260,11 @@ kernel = {
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arm = kern/arm/cache.c;
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arm = kern/arm/misc.S;
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arm64 = kern/arm64/cache.c;
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arm64 = kern/arm64/cache_flush.S;
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arm64 = kern/arm64/dl.c;
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arm64 = kern/arm64/dl_helper.c;
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emu = disk/host.c;
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emu = kern/emu/cache_s.S;
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emu = kern/emu/hostdisk.c;
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@ -743,6 +754,7 @@ module = {
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enable = mips_arc;
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enable = ia64_efi;
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enable = arm_efi;
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enable = arm64_efi;
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enable = arm_uboot;
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};
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@ -838,6 +850,7 @@ module = {
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ia64_efi = lib/efi/reboot.c;
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x86_64_efi = lib/efi/reboot.c;
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arm_efi = lib/efi/reboot.c;
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arm64_efi = lib/efi/reboot.c;
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powerpc_ieee1275 = lib/ieee1275/reboot.c;
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sparc64_ieee1275 = lib/ieee1275/reboot.c;
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mips_arc = lib/mips/arc/reboot.c;
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@ -1700,6 +1713,7 @@ module = {
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enable = x86;
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enable = ia64_efi;
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enable = arm_efi;
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enable = arm64_efi;
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enable = mips;
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};
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63
grub-core/kern/arm64/cache.c
Normal file
63
grub-core/kern/arm64/cache.c
Normal file
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@ -0,0 +1,63 @@
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2013 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/cache.h>
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#include <grub/misc.h>
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static grub_int64_t dlinesz;
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static grub_int64_t ilinesz;
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/* Prototypes for asm functions. */
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void grub_arch_clean_dcache_range (grub_addr_t beg, grub_addr_t end,
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grub_uint64_t line_size);
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void grub_arch_invalidate_icache_range (grub_addr_t beg, grub_addr_t end,
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grub_uint64_t line_size);
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static void
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probe_caches (void)
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{
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grub_uint64_t cache_type;
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/* Read Cache Type Register */
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asm volatile ("mrs %0, ctr_el0": "=r"(cache_type));
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dlinesz = 4 << ((cache_type >> 16) & 0xf);
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ilinesz = 4 << (cache_type & 0xf);
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grub_dprintf("cache", "D$ line size: %lld\n", (long long) dlinesz);
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grub_dprintf("cache", "I$ line size: %lld\n", (long long) ilinesz);
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}
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void
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grub_arch_sync_caches (void *address, grub_size_t len)
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{
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grub_uint64_t start, end, max_align;
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if (dlinesz == 0)
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probe_caches();
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if (dlinesz == 0)
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grub_fatal ("Unknown cache line size!");
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max_align = dlinesz > ilinesz ? dlinesz : ilinesz;
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start = ALIGN_DOWN ((grub_uint64_t) address, max_align);
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end = ALIGN_UP ((grub_uint64_t) address + len, max_align);
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grub_arch_clean_dcache_range (start, end, dlinesz);
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grub_arch_invalidate_icache_range (start, end, ilinesz);
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}
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55
grub-core/kern/arm64/cache_flush.S
Normal file
55
grub-core/kern/arm64/cache_flush.S
Normal file
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@ -0,0 +1,55 @@
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2013 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/symbol.h>
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.file "cache_flush.S"
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.text
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/*
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* Simple cache maintenance functions
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*/
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// x0 - *beg (inclusive)
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// x1 - *end (exclusive)
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// x2 - line size
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FUNCTION(grub_arch_clean_dcache_range)
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// Clean data cache for range to point-of-unification
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1: cmp x0, x1
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b.ge 2f
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dc cvau, x0 // Clean Virtual Address to PoU
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add x0, x0, x2 // Next line
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b 1b
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2: dsb ish
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isb
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ret
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// x0 - *beg (inclusive)
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// x1 - *end (exclusive)
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// x2 - line size
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FUNCTION(grub_arch_invalidate_icache_range)
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// Invalidate instruction cache for range to point-of-unification
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1: cmp x0, x1
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b.ge 2f
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ic ivau, x0 // Invalidate Virtual Address to PoU
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add x0, x0, x2 // Next line
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b 1b
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// Branch predictor invalidation not needed on AArch64
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2: dsb ish
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isb
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ret
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199
grub-core/kern/arm64/dl.c
Normal file
199
grub-core/kern/arm64/dl.c
Normal file
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@ -0,0 +1,199 @@
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/* dl.c - arch-dependent part of loadable module support */
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2013 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/dl.h>
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#include <grub/elf.h>
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#include <grub/misc.h>
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#include <grub/err.h>
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#include <grub/mm.h>
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#include <grub/i18n.h>
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#include <grub/cpu/reloc.h>
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/*
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* Check if EHDR is a valid ELF header.
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*/
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grub_err_t
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grub_arch_dl_check_header (void *ehdr)
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{
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Elf_Ehdr *e = ehdr;
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/* Check the magic numbers. */
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if (e->e_ident[EI_CLASS] != ELFCLASS64
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|| e->e_ident[EI_DATA] != ELFDATA2LSB || e->e_machine != EM_AARCH64)
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return grub_error (GRUB_ERR_BAD_OS,
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N_("invalid arch-dependent ELF magic"));
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return GRUB_ERR_NONE;
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}
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/*
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* Unified function for both REL and RELA
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*/
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static grub_err_t
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do_relX (Elf_Shdr * relhdr, Elf_Ehdr * e, grub_dl_t mod)
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{
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grub_err_t retval;
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grub_dl_segment_t segment;
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Elf_Rel *rel;
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Elf_Rela *rela;
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Elf_Sym *symbol;
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int i, entnum;
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unsigned long long entsize;
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/* Find the target segment for this relocation section. */
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for (segment = mod->segment ; segment != 0 ; segment = segment->next)
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if (segment->section == relhdr->sh_info)
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break;
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if (!segment)
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return grub_error (GRUB_ERR_EOF, N_("relocation segment not found"));
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rel = (Elf_Rel *) ((grub_addr_t) e + relhdr->sh_offset);
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rela = (Elf_Rela *) rel;
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if (relhdr->sh_type == SHT_RELA)
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entsize = sizeof (Elf_Rela);
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else
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entsize = sizeof (Elf_Rel);
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entnum = relhdr->sh_size / entsize;
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retval = GRUB_ERR_NONE;
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grub_dprintf("dl", "Processing %d relocation entries.\n", entnum);
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/* Step through all relocations */
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for (i = 0, symbol = mod->symtab; i < entnum; i++)
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{
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void *place;
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grub_uint64_t sym_addr, symidx, reltype;
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if (rel->r_offset >= segment->size)
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return grub_error (GRUB_ERR_BAD_MODULE,
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"reloc offset is out of the segment");
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symidx = ELF_R_SYM (rel->r_info);
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reltype = ELF_R_TYPE (rel->r_info);
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sym_addr = symbol[symidx].st_value;
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if (relhdr->sh_type == SHT_RELA)
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sym_addr += rela->r_addend;
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place = (void *) ((grub_addr_t) segment->addr + rel->r_offset);
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switch (reltype)
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{
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case R_AARCH64_ABS64:
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{
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grub_uint64_t *abs_place = place;
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grub_dprintf ("dl", " reloc_abs64 %p => 0x%016llx\n",
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place, (unsigned long long) sym_addr);
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*abs_place = (grub_uint64_t) sym_addr;
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}
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break;
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case R_AARCH64_CALL26:
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case R_AARCH64_JUMP26:
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retval = grub_arm64_reloc_xxxx26 (place, sym_addr);
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break;
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default:
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return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
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N_("relocation 0x%x is not implemented yet"),
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reltype);
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}
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if (retval != GRUB_ERR_NONE)
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break;
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rel = (Elf_Rel *) ((grub_addr_t) rel + entsize);
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rela++;
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}
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return retval;
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}
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/*
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* Verify that provided ELF header contains reference to a symbol table
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*/
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static int
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has_symtab (Elf_Ehdr * e)
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{
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int i;
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Elf_Shdr *s;
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for (i = 0, s = (Elf_Shdr *) ((grub_addr_t) e + e->e_shoff);
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i < e->e_shnum;
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i++, s = (Elf_Shdr *) ((grub_addr_t) s + e->e_shentsize))
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if (s->sh_type == SHT_SYMTAB)
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return 1;
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return 0;
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}
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/*
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* grub_arch_dl_relocate_symbols():
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* Locates the relocations section of the ELF object, and calls
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* do_relX() to deal with it.
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*/
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grub_err_t
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grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr)
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{
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Elf_Ehdr *e = ehdr;
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Elf_Shdr *s;
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unsigned i;
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if (!has_symtab (e))
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return grub_error (GRUB_ERR_BAD_MODULE, N_("no symbol table"));
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#define FIRST_SHDR(x) ((Elf_Shdr *) ((grub_addr_t)(x) + (x)->e_shoff))
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#define NEXT_SHDR(x, y) ((Elf_Shdr *) ((grub_addr_t)(y) + (x)->e_shentsize))
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for (i = 0, s = FIRST_SHDR (e); i < e->e_shnum; i++, s = NEXT_SHDR (e, s))
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{
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grub_err_t ret;
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switch (s->sh_type)
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{
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case SHT_REL:
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case SHT_RELA:
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{
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ret = do_relX (s, e, mod);
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if (ret != GRUB_ERR_NONE)
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return ret;
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}
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break;
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case SHT_ARM_ATTRIBUTES:
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case SHT_NOBITS:
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case SHT_NULL:
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case SHT_PROGBITS:
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case SHT_SYMTAB:
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case SHT_STRTAB:
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break;
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default:
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{
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grub_dprintf ("dl", "unhandled section_type: %d (0x%08x)\n",
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s->sh_type, s->sh_type);
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return GRUB_ERR_NOT_IMPLEMENTED_YET;
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};
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}
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}
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#undef FIRST_SHDR
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#undef NEXT_SHDR
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return GRUB_ERR_NONE;
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}
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70
grub-core/kern/arm64/dl_helper.c
Normal file
70
grub-core/kern/arm64/dl_helper.c
Normal file
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@ -0,0 +1,70 @@
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/* dl_helper.c - relocation helper functions for modules and grub-mkimage */
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/*
|
||||
* 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>
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#include <grub/elf.h>
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#include <grub/misc.h>
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#include <grub/err.h>
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#include <grub/mm.h>
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#include <grub/i18n.h>
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#include <grub/cpu/reloc.h>
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|
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static grub_ssize_t
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sign_compress_offset (grub_ssize_t offset, int bitpos)
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{
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return offset & ((1LL << (bitpos + 1)) - 1);
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}
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/*
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* grub_arm64_reloc_xxxx26():
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*
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* JUMP26/CALL26 relocations for B and BL instructions.
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*/
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grub_err_t
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grub_arm64_reloc_xxxx26 (grub_uint32_t *place, Elf64_Addr adjust)
|
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{
|
||||
grub_uint32_t insword, insmask;
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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;
|
||||
}
|
||||
39
grub-core/kern/arm64/efi/startup.S
Normal file
39
grub-core/kern/arm64/efi/startup.S
Normal file
|
|
@ -0,0 +1,39 @@
|
|||
/*
|
||||
* 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, efi_image_handle_val
|
||||
str x0, [x2]
|
||||
ldr x2, efi_system_table_val
|
||||
str x1, [x2]
|
||||
ldr x2, grub_main_val
|
||||
br x2
|
||||
grub_main_val:
|
||||
.quad EXT_C(grub_main)
|
||||
efi_system_table_val:
|
||||
.quad EXT_C(grub_efi_system_table)
|
||||
efi_image_handle_val:
|
||||
.quad EXT_C(grub_efi_image_handle)
|
||||
|
||||
53
grub-core/lib/arm64/setjmp.S
Normal file
53
grub-core/lib/arm64/setjmp.S
Normal 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
|
||||
|
|
@ -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,
|
||||
|
|
|
|||
|
|
@ -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
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue