From bbed773160168ebd75f57a893c7d563673abf36f Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Fri, 19 Apr 2013 15:05:11 +0200 Subject: [PATCH 326/471] * grub-core/kern/elfXX.c (grub_elfXX_load): Handle GRUB_ELF_LOAD_FLAGS_30BITS and GRUB_ELF_LOAD_FLAGS_62BITS. * grub-core/loader/powerpc/ieee1275/linux.c (grub_linux_load32), (grub_linux_load64): Mask out 2 high bits. --- ChangeLog | 7 +++++++ grub-core/kern/elfXX.c | 16 ++++++++++++++-- grub-core/loader/powerpc/ieee1275/linux.c | 4 ++-- include/grub/elfload.h | 4 ++++ 4 files changed, 27 insertions(+), 4 deletions(-) diff --git a/ChangeLog b/ChangeLog index 7450036..3799129 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,10 @@ +2013-04-19 Vladimir Serbinenko + + * grub-core/kern/elfXX.c (grub_elfXX_load): Handle + GRUB_ELF_LOAD_FLAGS_30BITS and GRUB_ELF_LOAD_FLAGS_62BITS. + * grub-core/loader/powerpc/ieee1275/linux.c (grub_linux_load32), + (grub_linux_load64): Mask out 2 high bits. + 2013-04-19 Andrey Borzenkov * util/grub.d/30_os-prober.in: Add onstr to linux entries in one diff --git a/grub-core/kern/elfXX.c b/grub-core/kern/elfXX.c index b35e235..2e45449 100644 --- a/grub-core/kern/elfXX.c +++ b/grub-core/kern/elfXX.c @@ -101,8 +101,20 @@ grub_elfXX_load (grub_elf_t elf, const char *filename, continue; load_addr = (grub_addr_t) phdr->p_paddr; - if (load_flags & GRUB_ELF_LOAD_FLAGS_28BITS) - load_addr &= 0xFFFFFFF; + switch (load_flags & GRUB_ELF_LOAD_FLAGS_BITS) + { + case GRUB_ELF_LOAD_FLAGS_ALL_BITS: + break; + case GRUB_ELF_LOAD_FLAGS_28BITS: + load_addr &= 0xFFFFFFF; + break; + case GRUB_ELF_LOAD_FLAGS_30BITS: + load_addr &= 0x3FFFFFFF; + break; + case GRUB_ELF_LOAD_FLAGS_62BITS: + load_addr &= 0x3FFFFFFFFFFFFFFFULL; + break; + } load_addr += (grub_addr_t) load_offset; if (load_addr < load_base) diff --git a/grub-core/loader/powerpc/ieee1275/linux.c b/grub-core/loader/powerpc/ieee1275/linux.c index cff4fd1..3356d51 100644 --- a/grub-core/loader/powerpc/ieee1275/linux.c +++ b/grub-core/loader/powerpc/ieee1275/linux.c @@ -204,7 +204,7 @@ grub_linux_load32 (grub_elf_t elf, const char *filename) linux_addr = seg_addr; /* Now load the segments into the area we claimed. */ - return grub_elf32_load (elf, filename, (void *) (seg_addr - base_addr), GRUB_ELF_LOAD_FLAGS_NONE, 0, 0); + return grub_elf32_load (elf, filename, (void *) (seg_addr - base_addr), GRUB_ELF_LOAD_FLAGS_30BITS, 0, 0); } static grub_err_t @@ -238,7 +238,7 @@ grub_linux_load64 (grub_elf_t elf, const char *filename) linux_addr = seg_addr; /* Now load the segments into the area we claimed. */ - return grub_elf64_load (elf, filename, (void *) (grub_addr_t) (seg_addr - base_addr), GRUB_ELF_LOAD_FLAGS_NONE, 0, 0); + return grub_elf64_load (elf, filename, (void *) (grub_addr_t) (seg_addr - base_addr), GRUB_ELF_LOAD_FLAGS_62BITS, 0, 0); } static grub_err_t diff --git a/include/grub/elfload.h b/include/grub/elfload.h index f854d0b..9a7ae4e 100644 --- a/include/grub/elfload.h +++ b/include/grub/elfload.h @@ -53,7 +53,11 @@ enum grub_elf_load_flags { GRUB_ELF_LOAD_FLAGS_NONE = 0, GRUB_ELF_LOAD_FLAGS_LOAD_PT_DYNAMIC = 1, + GRUB_ELF_LOAD_FLAGS_BITS = 6, + GRUB_ELF_LOAD_FLAGS_ALL_BITS = 0, GRUB_ELF_LOAD_FLAGS_28BITS = 2, + GRUB_ELF_LOAD_FLAGS_30BITS = 4, + GRUB_ELF_LOAD_FLAGS_62BITS = 6, }; grub_err_t grub_elf32_load (grub_elf_t, const char *filename, void *load_offset, enum grub_elf_load_flags flags, grub_addr_t *, -- 1.8.2.1