From e5668a21f2e71785573ab072471c9254fa6e73b0 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Tue, 9 Apr 2013 19:19:19 +0200 Subject: [PATCH 274/364] Fix ia64-efi image generation on big-endian machines. Deduplicate some code while on it. Reported by: Leif Lindholm. --- ChangeLog | 6 ++ grub-core/kern/ia64/dl.c | 135 ++---------------------------- grub-core/kern/ia64/dl_helper.c | 159 +++++++++++++++++++++++++++++++++-- include/grub/ia64/reloc.h | 42 ++++++++++ util/grub-mkimage.c | 9 +- util/grub-mkimagexx.c | 178 +++++++--------------------------------- 6 files changed, 243 insertions(+), 286 deletions(-) create mode 100644 include/grub/ia64/reloc.h diff --git a/ChangeLog b/ChangeLog index 083d86a..e45ca35 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2013-04-08 Vladimir Serbinenko + + Fix ia64-efi image generation on big-endian machines. Deduplicate + some code while on it. + Reported by: Leif Lindholm. + 2013-04-08 Andrey Borzenkov * grub-core/Makefile.core.def: Add kern/elfXX.c to elf module diff --git a/grub-core/kern/ia64/dl.c b/grub-core/kern/ia64/dl.c index 7c22b0b..957ceaa 100644 --- a/grub-core/kern/ia64/dl.c +++ b/grub-core/kern/ia64/dl.c @@ -23,6 +23,9 @@ #include #include #include +#include + +#define MASK19 ((1 << 19) - 1) /* Check if EHDR is a valid ELF header. */ grub_err_t @@ -41,126 +44,6 @@ grub_arch_dl_check_header (void *ehdr) #pragma GCC diagnostic ignored "-Wcast-align" -#define MASK20 ((1 << 20) - 1) -#define MASK19 ((1 << 19) - 1) - -struct unaligned_uint32 -{ - grub_uint32_t val; -} __attribute__ ((packed)); - -static void -add_value_to_slot_20b (grub_addr_t addr, grub_uint32_t value) -{ - struct unaligned_uint32 *p; - switch (addr & 3) - { - case 0: - p = (struct unaligned_uint32 *) ((addr & ~3ULL) + 2); - p->val = ((((((p->val >> 2) & MASK20) + value) & MASK20) << 2) - | (p->val & ~(MASK20 << 2))); - break; - case 1: - p = (struct unaligned_uint32 *) ((grub_uint8_t *) (addr & ~3ULL) + 7); - p->val = ((((((p->val >> 3) & MASK20) + value) & MASK20) << 3) - | (p->val & ~(MASK20 << 3))); - break; - case 2: - p = (struct unaligned_uint32 *) ((grub_uint8_t *) (addr & ~3ULL) + 12); - p->val = ((((((p->val >> 4) & MASK20) + value) & MASK20) << 4) - | (p->val & ~(MASK20 << 4))); - break; - } -} - -#define MASKF21 ( ((1 << 23) - 1) & ~((1 << 7) | (1 << 8)) ) - -static grub_uint32_t -add_value_to_slot_21_real (grub_uint32_t a, grub_uint32_t value) -{ - grub_uint32_t high, mid, low, c; - low = (a & 0x00007f); - mid = (a & 0x7fc000) >> 7; - high = (a & 0x003e00) << 7; - c = (low | mid | high) + value; - return (c & 0x7f) | ((c << 7) & 0x7fc000) | ((c >> 7) & 0x0003e00); //0x003e00 -} - -static void -add_value_to_slot_21 (grub_addr_t addr, grub_uint32_t value) -{ - struct unaligned_uint32 *p; - switch (addr & 3) - { - case 0: - p = (struct unaligned_uint32 *) ((addr & ~3ULL) + 2); - p->val = ((add_value_to_slot_21_real (((p->val >> 2) & MASKF21), value) & MASKF21) << 2) | (p->val & ~(MASKF21 << 2)); - break; - case 1: - p = (struct unaligned_uint32 *) ((grub_uint8_t *) (addr & ~3ULL) + 7); - p->val = ((add_value_to_slot_21_real (((p->val >> 3) & MASKF21), value) & MASKF21) << 3) | (p->val & ~(MASKF21 << 3)); - break; - case 2: - p = (struct unaligned_uint32 *) ((grub_uint8_t *) (addr & ~3ULL) + 12); - p->val = ((add_value_to_slot_21_real (((p->val >> 4) & MASKF21), value) & MASKF21) << 4) | (p->val & ~(MASKF21 << 4)); - break; - } -} - -static const grub_uint8_t nopm[5] = - { - /* [MLX] nop.m 0x0 */ - 0x05, 0x00, 0x00, 0x00, 0x01 - }; - -static const grub_uint8_t jump[0x20] = - { - /* ld8 r16=[r15],8 */ - 0x02, 0x80, 0x20, 0x1e, 0x18, 0x14, - /* mov r14=r1;; */ - 0xe0, 0x00, 0x04, 0x00, 0x42, 0x00, - /* nop.i 0x0 */ - 0x00, 0x00, 0x04, 0x00, - /* ld8 r1=[r15] */ - 0x11, 0x08, 0x00, 0x1e, 0x18, 0x10, - /* mov b6=r16 */ - 0x60, 0x80, 0x04, 0x80, 0x03, 0x00, - /* br.few b6;; */ - 0x60, 0x00, 0x80, 0x00 - }; - -struct ia64_trampoline -{ - /* nop.m */ - grub_uint8_t nop[5]; - /* movl r15 = addr*/ - grub_uint8_t addr_hi[6]; - grub_uint8_t e0; - grub_uint8_t addr_lo[4]; - grub_uint8_t jump[0x20]; -}; - -static void -make_trampoline (struct ia64_trampoline *tr, grub_uint64_t addr) -{ - COMPILE_TIME_ASSERT (sizeof (struct ia64_trampoline) - == GRUB_IA64_DL_TRAMP_SIZE); - grub_memcpy (tr->nop, nopm, sizeof (tr->nop)); - tr->addr_hi[0] = ((addr & 0xc00000) >> 16); - tr->addr_hi[1] = (addr >> 24) & 0xff; - tr->addr_hi[2] = (addr >> 32) & 0xff; - tr->addr_hi[3] = (addr >> 40) & 0xff; - tr->addr_hi[4] = (addr >> 48) & 0xff; - tr->addr_hi[5] = (addr >> 56) & 0xff; - tr->e0 = 0xe0; - tr->addr_lo[0] = ((addr & 0x000f) << 4) | 0x01; - tr->addr_lo[1] = (((addr & 0x0070) >> 4) | ((addr & 0x070000) >> 11) - | ((addr & 0x200000) >> 17)); - tr->addr_lo[2] = ((addr & 0x1f80) >> 5) | ((addr & 0x180000) >> 19); - tr->addr_lo[3] = ((addr & 0xe000) >> 13) | 0x60; - grub_memcpy (tr->jump, jump, sizeof (tr->jump)); -} - /* Relocate symbols. */ grub_err_t grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr) @@ -170,7 +53,7 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr) Elf_Word entsize; unsigned i; grub_uint64_t *gp, *gpptr; - struct ia64_trampoline *tr; + struct grub_ia64_trampoline *tr; gp = (grub_uint64_t *) mod->base; gpptr = (grub_uint64_t *) mod->got; @@ -230,13 +113,13 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr) case R_IA64_PCREL21B: { grub_uint64_t noff; - make_trampoline (tr, value); + grub_ia64_make_trampoline (tr, value); noff = ((char *) tr - (char *) (addr & ~3)) >> 4; - tr++; + tr = (struct grub_ia64_trampoline *) ((char *) tr + GRUB_IA64_DL_TRAMP_SIZE); if (noff & ~MASK19) return grub_error (GRUB_ERR_BAD_OS, "trampoline offset too big (%lx)", noff); - add_value_to_slot_20b (addr, noff); + grub_ia64_add_value_to_slot_20b (addr, noff); } break; case R_IA64_SEGREL64LSB: @@ -250,7 +133,7 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr) *(grub_uint64_t *) addr += value - addr; break; case R_IA64_GPREL22: - add_value_to_slot_21 (addr, value - (grub_addr_t) gp); + grub_ia64_add_value_to_slot_21 (addr, value - (grub_addr_t) gp); break; case R_IA64_LTOFF22X: @@ -259,7 +142,7 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr) value = *(grub_uint64_t *) sym->st_value + rel->r_addend; case R_IA64_LTOFF_FPTR22: *gpptr = value; - add_value_to_slot_21 (addr, (grub_addr_t) gpptr - (grub_addr_t) gp); + grub_ia64_add_value_to_slot_21 (addr, (grub_addr_t) gpptr - (grub_addr_t) gp); gpptr++; break; diff --git a/grub-core/kern/ia64/dl_helper.c b/grub-core/kern/ia64/dl_helper.c index 9394e32..e2209ca 100644 --- a/grub-core/kern/ia64/dl_helper.c +++ b/grub-core/kern/ia64/dl_helper.c @@ -22,9 +22,154 @@ #include #include #include +#include +#include #pragma GCC diagnostic ignored "-Wcast-align" +#define MASK20 ((1 << 20) - 1) +#define MASK3 (~(grub_addr_t) 3) + +void +grub_ia64_add_value_to_slot_20b (grub_addr_t addr, grub_uint32_t value) +{ + grub_uint32_t val; + switch (addr & 3) + { + case 0: + val = grub_le_to_cpu32 (grub_get_unaligned32 (((grub_uint8_t *) + (addr & MASK3) + 2))); + val = (((((val & MASK20) + value) & MASK20) << 2) + | (val & ~(MASK20 << 2))); + grub_set_unaligned32 (((grub_uint8_t *) (addr & MASK3) + 2), + grub_cpu_to_le32 (val)); + break; + case 1: + val = grub_le_to_cpu32 (grub_get_unaligned32 (((grub_uint8_t *) + (addr & MASK3) + 7))); + val = ((((((val >> 3) & MASK20) + value) & MASK20) << 3) + | (val & ~(MASK20 << 3))); + grub_set_unaligned32 (((grub_uint8_t *) (addr & MASK3) + 7), + grub_cpu_to_le32 (val)); + break; + case 2: + val = grub_le_to_cpu32 (grub_get_unaligned32 (((grub_uint8_t *) + (addr & MASK3) + 12))); + val = ((((((val >> 4) & MASK20) + value) & MASK20) << 4) + | (val & ~(MASK20 << 4))); + grub_set_unaligned32 (((grub_uint8_t *) (addr & MASK3) + 12), + grub_cpu_to_le32 (val)); + break; + } +} + +#define MASKF21 ( ((1 << 23) - 1) & ~((1 << 7) | (1 << 8)) ) + +static grub_uint32_t +add_value_to_slot_21_real (grub_uint32_t a, grub_uint32_t value) +{ + grub_uint32_t high, mid, low, c; + low = (a & 0x00007f); + mid = (a & 0x7fc000) >> 7; + high = (a & 0x003e00) << 7; + c = (low | mid | high) + value; + return (c & 0x7f) | ((c << 7) & 0x7fc000) | ((c >> 7) & 0x0003e00); //0x003e00 +} + +void +grub_ia64_add_value_to_slot_21 (grub_addr_t addr, grub_uint32_t value) +{ + grub_uint32_t val; + switch (addr & 3) + { + case 0: + val = grub_le_to_cpu32 (grub_get_unaligned32 (((grub_uint8_t *) + (addr & MASK3) + 2))); + val = ((add_value_to_slot_21_real (((val >> 2) & MASKF21), value) + & MASKF21) << 2) | (val & ~(MASKF21 << 2)); + grub_set_unaligned32 (((grub_uint8_t *) (addr & MASK3) + 2), + grub_cpu_to_le32 (val)); + break; + case 1: + val = grub_le_to_cpu32 (grub_get_unaligned32 (((grub_uint8_t *) + (addr & MASK3) + 7))); + val = ((add_value_to_slot_21_real (((val >> 3) & MASKF21), value) + & MASKF21) << 3) | (val & ~(MASKF21 << 3)); + grub_set_unaligned32 (((grub_uint8_t *) (addr & MASK3) + 7), + grub_cpu_to_le32 (val)); + break; + case 2: + val = grub_le_to_cpu32 (grub_get_unaligned32 (((grub_uint8_t *) + (addr & MASK3) + 12))); + val = ((add_value_to_slot_21_real (((val >> 4) & MASKF21), value) + & MASKF21) << 4) | (val & ~(MASKF21 << 4)); + grub_set_unaligned32 (((grub_uint8_t *) (addr & MASK3) + 12), + grub_cpu_to_le32 (val)); + break; + } +} + +static const grub_uint8_t nopm[5] = + { + /* [MLX] nop.m 0x0 */ + 0x05, 0x00, 0x00, 0x00, 0x01 + }; + +#ifdef GRUB_UTIL +static grub_uint8_t jump[0x20] = + { + /* [MMI] add r15=r15,r1;; */ + 0x0b, 0x78, 0x3c, 0x02, 0x00, 0x20, + /* ld8 r16=[r15],8 */ + 0x00, 0x41, 0x3c, 0x30, 0x28, 0xc0, + /* mov r14=r1;; */ + 0x01, 0x08, 0x00, 0x84, + /* [MIB] ld8 r1=[r15] */ + 0x11, 0x08, 0x00, 0x1e, 0x18, 0x10, + /* mov b6=r16 */ + 0x60, 0x80, 0x04, 0x80, 0x03, 0x00, + /* br.few b6;; */ + 0x60, 0x00, 0x80, 0x00 + }; +#else +static const grub_uint8_t jump[0x20] = + { + /* ld8 r16=[r15],8 */ + 0x02, 0x80, 0x20, 0x1e, 0x18, 0x14, + /* mov r14=r1;; */ + 0xe0, 0x00, 0x04, 0x00, 0x42, 0x00, + /* nop.i 0x0 */ + 0x00, 0x00, 0x04, 0x00, + /* ld8 r1=[r15] */ + 0x11, 0x08, 0x00, 0x1e, 0x18, 0x10, + /* mov b6=r16 */ + 0x60, 0x80, 0x04, 0x80, 0x03, 0x00, + /* br.few b6;; */ + 0x60, 0x00, 0x80, 0x00 + }; +#endif + +void +grub_ia64_make_trampoline (struct grub_ia64_trampoline *tr, grub_uint64_t addr) +{ + COMPILE_TIME_ASSERT (sizeof (struct grub_ia64_trampoline) + == GRUB_IA64_DL_TRAMP_SIZE); + grub_memcpy (tr->nop, nopm, sizeof (tr->nop)); + tr->addr_hi[0] = ((addr & 0xc00000) >> 16); + tr->addr_hi[1] = (addr >> 24) & 0xff; + tr->addr_hi[2] = (addr >> 32) & 0xff; + tr->addr_hi[3] = (addr >> 40) & 0xff; + tr->addr_hi[4] = (addr >> 48) & 0xff; + tr->addr_hi[5] = (addr >> 56) & 0xff; + tr->e0 = 0xe0; + tr->addr_lo[0] = ((addr & 0x000f) << 4) | 0x01; + tr->addr_lo[1] = (((addr & 0x0070) >> 4) | ((addr & 0x070000) >> 11) + | ((addr & 0x200000) >> 17)); + tr->addr_lo[2] = ((addr & 0x1f80) >> 5) | ((addr & 0x180000) >> 19); + tr->addr_lo[3] = ((addr & 0xe000) >> 13) | 0x60; + grub_memcpy (tr->jump, jump, sizeof (tr->jump)); +} + void grub_ia64_dl_get_tramp_got_size (const void *ehdr, grub_size_t *tramp, grub_size_t *got) @@ -35,26 +180,26 @@ grub_ia64_dl_get_tramp_got_size (const void *ehdr, grub_size_t *tramp, unsigned i; /* Find a symbol table. */ - for (i = 0, s = (Elf64_Shdr *) ((char *) e + grub_le_to_cpu32 (e->e_shoff)); + for (i = 0, s = (Elf64_Shdr *) ((char *) e + grub_le_to_cpu64 (e->e_shoff)); i < grub_le_to_cpu16 (e->e_shnum); i++, s = (Elf64_Shdr *) ((char *) s + grub_le_to_cpu16 (e->e_shentsize))) - if (grub_le_to_cpu32 (s->sh_type) == SHT_SYMTAB) + if (s->sh_type == grub_cpu_to_le32_compile_time (SHT_SYMTAB)) break; if (i == grub_le_to_cpu16 (e->e_shnum)) return; - for (i = 0, s = (Elf64_Shdr *) ((char *) e + grub_le_to_cpu32 (e->e_shoff)); + for (i = 0, s = (Elf64_Shdr *) ((char *) e + grub_le_to_cpu64 (e->e_shoff)); i < grub_le_to_cpu16 (e->e_shnum); i++, s = (Elf64_Shdr *) ((char *) s + grub_le_to_cpu16 (e->e_shentsize))) - if (grub_le_to_cpu32 (s->sh_type) == SHT_RELA) + if (s->sh_type == grub_cpu_to_le32_compile_time (SHT_RELA)) { Elf64_Rela *rel, *max; - for (rel = (Elf64_Rela *) ((char *) e + grub_le_to_cpu32 (s->sh_offset)), - max = rel + grub_le_to_cpu32 (s->sh_size) / grub_le_to_cpu16 (s->sh_entsize); + for (rel = (Elf64_Rela *) ((char *) e + grub_le_to_cpu64 (s->sh_offset)), + max = rel + grub_le_to_cpu64 (s->sh_size) / grub_le_to_cpu64 (s->sh_entsize); rel < max; rel++) - switch (ELF64_R_TYPE (grub_le_to_cpu32 (rel->r_info))) + switch (ELF64_R_TYPE (grub_le_to_cpu64 (rel->r_info))) { case R_IA64_PCREL21B: cntt++; diff --git a/include/grub/ia64/reloc.h b/include/grub/ia64/reloc.h new file mode 100644 index 0000000..4c02ab2 --- /dev/null +++ b/include/grub/ia64/reloc.h @@ -0,0 +1,42 @@ +/* + * 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 . + */ + +#ifndef GRUB_IA64_RELOC_H +#define GRUB_IA64_RELOC_H 1 + +struct grub_ia64_trampoline; + +void +grub_ia64_add_value_to_slot_20b (grub_addr_t addr, grub_uint32_t value); +void +grub_ia64_add_value_to_slot_21 (grub_addr_t addr, grub_uint32_t value); +void +grub_ia64_make_trampoline (struct grub_ia64_trampoline *tr, grub_uint64_t addr); + +struct grub_ia64_trampoline +{ + /* nop.m */ + grub_uint8_t nop[5]; + /* movl r15 = addr*/ + grub_uint8_t addr_hi[6]; + grub_uint8_t e0; + grub_uint8_t addr_lo[4]; + grub_uint8_t jump[0x20]; +}; + +#endif diff --git a/util/grub-mkimage.c b/util/grub-mkimage.c index ecea5d4..dce2c29 100644 --- a/util/grub-mkimage.c +++ b/util/grub-mkimage.c @@ -40,6 +40,7 @@ #include #include #include +#include #define _GNU_SOURCE 1 #include @@ -1201,10 +1202,10 @@ generate_image (const char *dir, const char *prefix, o->subsystem = grub_host_to_target16 (GRUB_PE32_SUBSYSTEM_EFI_APPLICATION); /* Do these really matter? */ - o->stack_reserve_size = grub_host_to_target32 (0x10000); - o->stack_commit_size = grub_host_to_target32 (0x10000); - o->heap_reserve_size = grub_host_to_target32 (0x10000); - o->heap_commit_size = grub_host_to_target32 (0x10000); + o->stack_reserve_size = grub_host_to_target64 (0x10000); + o->stack_commit_size = grub_host_to_target64 (0x10000); + o->heap_reserve_size = grub_host_to_target64 (0x10000); + o->heap_commit_size = grub_host_to_target64 (0x10000); o->num_data_directories = grub_host_to_target32 (GRUB_PE32_NUM_DATA_DIRECTORIES); diff --git a/util/grub-mkimagexx.c b/util/grub-mkimagexx.c index 476d05e..b6b263d 100644 --- a/util/grub-mkimagexx.c +++ b/util/grub-mkimagexx.c @@ -117,7 +117,7 @@ SUFFIX (relocate_symbols) (Elf_Ehdr *e, Elf_Shdr *sections, if (image_target->elf_target == EM_IA_64 && ELF_ST_TYPE (sym->st_info) == STT_FUNC) { - *jptr = sym->st_value; + *jptr = grub_host_to_target64 (sym->st_value); sym->st_value = (char *) jptr - (char *) jumpers + jumpers_addr; jptr++; *jptr = 0; @@ -143,8 +143,8 @@ SUFFIX (get_symbol_address) (Elf_Ehdr *e, Elf_Shdr *s, Elf_Word i, Elf_Sym *sym; sym = (Elf_Sym *) ((char *) e - + grub_target_to_host32 (s->sh_offset) - + i * grub_target_to_host32 (s->sh_entsize)); + + grub_target_to_host (s->sh_offset) + + i * grub_target_to_host (s->sh_entsize)); return sym->st_value; } @@ -153,7 +153,7 @@ static Elf_Addr * SUFFIX (get_target_address) (Elf_Ehdr *e, Elf_Shdr *s, Elf_Addr offset, struct image_target_desc *image_target) { - return (Elf_Addr *) ((char *) e + grub_target_to_host32 (s->sh_offset) + offset); + return (Elf_Addr *) ((char *) e + grub_target_to_host (s->sh_offset) + offset); } #ifdef MKIMAGE_ELF64 @@ -182,128 +182,6 @@ SUFFIX (count_funcs) (Elf_Ehdr *e, Elf_Shdr *symtab_section, } #endif -#ifdef MKIMAGE_ELF64 -struct unaligned_uint32 -{ - grub_uint32_t val; -} __attribute__ ((packed)); - -#define MASK20 ((1 << 20) - 1) -#define MASK19 ((1 << 19) - 1) -#define MASK3 (~(grub_addr_t) 3) - -static void -add_value_to_slot_20b (grub_addr_t addr, grub_uint32_t value) -{ - struct unaligned_uint32 *p; - switch (addr & 3) - { - case 0: - p = (struct unaligned_uint32 *) ((addr & MASK3) + 2); - p->val = ((((((p->val >> 2) & MASK20) + value) & MASK20) << 2) - | (p->val & ~(MASK20 << 2))); - break; - case 1: - p = (struct unaligned_uint32 *) ((grub_uint8_t *) (addr & MASK3) + 7); - p->val = ((((((p->val >> 3) & MASK20) + value) & MASK20) << 3) - | (p->val & ~(MASK20 << 3))); - break; - case 2: - p = (struct unaligned_uint32 *) ((grub_uint8_t *) (addr & MASK3) + 12); - p->val = ((((((p->val >> 4) & MASK20) + value) & MASK20) << 4) - | (p->val & ~(MASK20 << 4))); - break; - } -} - -#define MASKF21 ( ((1 << 23) - 1) & ~((1 << 7) | (1 << 8)) ) - -static grub_uint32_t -add_value_to_slot_21_real (grub_uint32_t a, grub_uint32_t value) -{ - grub_uint32_t high, mid, low, c; - low = (a & 0x00007f); - mid = (a & 0x7fc000) >> 7; - high = (a & 0x003e00) << 7; - c = (low | mid | high) + value; - return (c & 0x7f) | ((c << 7) & 0x7fc000) | ((c >> 7) & 0x0003e00); //0x003e00 -} - -static void -add_value_to_slot_21 (grub_addr_t addr, grub_uint32_t value) -{ - struct unaligned_uint32 *p; - switch (addr & 3) - { - case 0: - p = (struct unaligned_uint32 *) ((addr & MASK3) + 2); - p->val = ((add_value_to_slot_21_real (((p->val >> 2) & MASKF21), value) & MASKF21) << 2) | (p->val & ~(MASKF21 << 2)); - break; - case 1: - p = (struct unaligned_uint32 *) ((grub_uint8_t *) (addr & MASK3) + 7); - p->val = ((add_value_to_slot_21_real (((p->val >> 3) & MASKF21), value) & MASKF21) << 3) | (p->val & ~(MASKF21 << 3)); - break; - case 2: - p = (struct unaligned_uint32 *) ((grub_uint8_t *) (addr & MASK3) + 12); - p->val = ((add_value_to_slot_21_real (((p->val >> 4) & MASKF21), value) & MASKF21) << 4) | (p->val & ~(MASKF21 << 4)); - break; - } -} - - -struct ia64_kernel_trampoline -{ - /* nop.m */ - grub_uint8_t nop[5]; - /* movl r15 = addr*/ - grub_uint8_t addr_hi[6]; - grub_uint8_t e0; - grub_uint8_t addr_lo[4]; - grub_uint8_t jump[0x20]; -}; - -static grub_uint8_t nopm[5] = - { - /* [MLX] nop.m 0x0 */ - 0x05, 0x00, 0x00, 0x00, 0x01 - }; - -static grub_uint8_t jump[0x20] = - { - /* [MMI] add r15=r15,r1;; */ - 0x0b, 0x78, 0x3c, 0x02, 0x00, 0x20, - /* ld8 r16=[r15],8 */ - 0x00, 0x41, 0x3c, 0x30, 0x28, 0xc0, - /* mov r14=r1;; */ - 0x01, 0x08, 0x00, 0x84, - /* [MIB] ld8 r1=[r15] */ - 0x11, 0x08, 0x00, 0x1e, 0x18, 0x10, - /* mov b6=r16 */ - 0x60, 0x80, 0x04, 0x80, 0x03, 0x00, - /* br.few b6;; */ - 0x60, 0x00, 0x80, 0x00 - }; - -static void -make_trampoline (struct ia64_kernel_trampoline *tr, grub_uint64_t addr) -{ - grub_memcpy (tr->nop, nopm, sizeof (tr->nop)); - tr->addr_hi[0] = ((addr & 0xc00000) >> 16); - tr->addr_hi[1] = (addr >> 24) & 0xff; - tr->addr_hi[2] = (addr >> 32) & 0xff; - tr->addr_hi[3] = (addr >> 40) & 0xff; - tr->addr_hi[4] = (addr >> 48) & 0xff; - tr->addr_hi[5] = (addr >> 56) & 0xff; - tr->e0 = 0xe0; - tr->addr_lo[0] = ((addr & 0x000f) << 4) | 0x01; - tr->addr_lo[1] = (((addr & 0x0070) >> 4) | ((addr & 0x070000) >> 11) - | ((addr & 0x200000) >> 17)); - tr->addr_lo[2] = ((addr & 0x1f80) >> 5) | ((addr & 0x180000) >> 19); - tr->addr_lo[3] = ((addr & 0xe000) >> 13) | 0x60; - grub_memcpy (tr->jump, jump, sizeof (tr->jump)); -} -#endif - /* Deal with relocation information. This function relocates addresses within the virtual address space starting from 0. So only relative addresses can be fully resolved. Absolute addresses must be relocated @@ -320,8 +198,9 @@ SUFFIX (relocate_addresses) (Elf_Ehdr *e, Elf_Shdr *sections, Elf_Half i; Elf_Shdr *s; #ifdef MKIMAGE_ELF64 - struct ia64_kernel_trampoline *tr = (void *) (pe_target + tramp_off); + struct grub_ia64_trampoline *tr = (void *) (pe_target + tramp_off); grub_uint64_t *gpptr = (void *) (pe_target + got_off); +#define MASK19 ((1 << 19) - 1) #endif for (i = 0, s = sections; @@ -352,9 +231,9 @@ SUFFIX (relocate_addresses) (Elf_Ehdr *e, Elf_Shdr *sections, strtab + grub_target_to_host32 (s->sh_name), strtab + grub_target_to_host32 (target_section->sh_name)); - rtab_size = grub_target_to_host32 (s->sh_size); - r_size = grub_target_to_host32 (s->sh_entsize); - rtab_offset = grub_target_to_host32 (s->sh_offset); + rtab_size = grub_target_to_host (s->sh_size); + r_size = grub_target_to_host (s->sh_entsize); + rtab_offset = grub_target_to_host (s->sh_offset); num_rs = rtab_size / r_size; for (j = 0, r = (Elf_Rela *) ((char *) e + rtab_offset); @@ -375,7 +254,7 @@ SUFFIX (relocate_addresses) (Elf_Ehdr *e, Elf_Shdr *sections, ELF_R_SYM (info), image_target); addend = (s->sh_type == grub_target_to_host32 (SHT_RELA)) ? - r->r_addend : 0; + grub_target_to_host (r->r_addend) : 0; switch (image_target->elf_target) { @@ -461,14 +340,14 @@ SUFFIX (relocate_addresses) (Elf_Ehdr *e, Elf_Shdr *sections, case R_IA64_PCREL21B: { grub_uint64_t noff; - make_trampoline (tr, addend + sym_addr); + grub_ia64_make_trampoline (tr, addend + sym_addr); noff = ((char *) tr - (char *) pe_target - target_section_addr - (offset & ~3)) >> 4; tr++; if (noff & ~MASK19) grub_util_error ("trampoline offset too big (%" PRIxGRUB_UINT64_T ")", noff); - add_value_to_slot_20b ((grub_addr_t) target, noff); + grub_ia64_add_value_to_slot_20b ((grub_addr_t) target, noff); } break; @@ -478,8 +357,8 @@ SUFFIX (relocate_addresses) (Elf_Ehdr *e, Elf_Shdr *sections, Elf_Sym *sym; sym = (Elf_Sym *) ((char *) e - + grub_target_to_host32 (symtab_section->sh_offset) - + ELF_R_SYM (info) * grub_target_to_host32 (symtab_section->sh_entsize)); + + grub_target_to_host (symtab_section->sh_offset) + + ELF_R_SYM (info) * grub_target_to_host (symtab_section->sh_entsize)); if (ELF_ST_TYPE (sym->st_info) == STT_FUNC) sym_addr = grub_target_to_host64 (*(grub_uint64_t *) (pe_target + sym->st_value @@ -487,15 +366,15 @@ SUFFIX (relocate_addresses) (Elf_Ehdr *e, Elf_Shdr *sections, } case R_IA64_LTOFF_FPTR22: *gpptr = grub_host_to_target64 (addend + sym_addr); - add_value_to_slot_21 ((grub_addr_t) target, - (char *) gpptr - (char *) pe_target - + image_target->vaddr_offset); + grub_ia64_add_value_to_slot_21 ((grub_addr_t) target, + (char *) gpptr - (char *) pe_target + + image_target->vaddr_offset); gpptr++; break; case R_IA64_GPREL22: - add_value_to_slot_21 ((grub_addr_t) target, - addend + sym_addr); + grub_ia64_add_value_to_slot_21 ((grub_addr_t) target, + addend + sym_addr); break; case R_IA64_PCREL64LSB: *target = grub_host_to_target64 (grub_target_to_host64 (*target) @@ -514,7 +393,8 @@ SUFFIX (relocate_addresses) (Elf_Ehdr *e, Elf_Shdr *sections, + addend + sym_addr); grub_util_info ("relocating a direct entry to 0x%" PRIxGRUB_UINT64_T " at the offset 0x%llx", - *target, (unsigned long long) offset); + grub_target_to_host64 (*target), + (unsigned long long) offset); break; /* We treat LTOFF22X as LTOFF22, so we can ignore LDXMOV. */ @@ -650,8 +530,8 @@ SUFFIX (make_reloc_section) (Elf_Ehdr *e, void **out, for (i = 0, s = sections; i < num_sections; i++, s = (Elf_Shdr *) ((char *) s + section_entsize)) - if ((s->sh_type == grub_cpu_to_le32 (SHT_REL)) || - (s->sh_type == grub_cpu_to_le32 (SHT_RELA))) + if ((grub_target_to_host32 (s->sh_type) == SHT_REL) || + (grub_target_to_host32 (s->sh_type) == SHT_RELA)) { Elf_Rel *r; Elf_Word rtab_size, r_size, num_rs; @@ -662,9 +542,9 @@ SUFFIX (make_reloc_section) (Elf_Ehdr *e, void **out, grub_util_info ("translating the relocation section %s", strtab + grub_le_to_cpu32 (s->sh_name)); - rtab_size = grub_le_to_cpu32 (s->sh_size); - r_size = grub_le_to_cpu32 (s->sh_entsize); - rtab_offset = grub_le_to_cpu32 (s->sh_offset); + rtab_size = grub_target_to_host (s->sh_size); + r_size = grub_target_to_host (s->sh_entsize); + rtab_offset = grub_target_to_host (s->sh_offset); num_rs = rtab_size / r_size; section_address = section_addresses[grub_le_to_cpu32 (s->sh_info)]; @@ -676,8 +556,8 @@ SUFFIX (make_reloc_section) (Elf_Ehdr *e, void **out, Elf_Addr info; Elf_Addr offset; - offset = grub_le_to_cpu32 (r->r_offset); - info = grub_le_to_cpu32 (r->r_info); + offset = grub_target_to_host (r->r_offset); + info = grub_target_to_host (r->r_info); /* Necessary to relocate only absolute addresses. */ switch (image_target->elf_target) @@ -1027,7 +907,7 @@ SUFFIX (load_image) (const char *kernel_path, grub_size_t *exec_size, *kernel_sz = ALIGN_UP (*kernel_sz, 16); grub_ia64_dl_get_tramp_got_size (e, &tramp, &got); - tramp *= sizeof (struct ia64_kernel_trampoline); + tramp *= sizeof (struct grub_ia64_trampoline); ia64_toff = *kernel_sz; *kernel_sz += ALIGN_UP (tramp, 16); -- 1.8.1.4