diff options
Diffstat (limited to 'meta/recipes-bsp/grub/files/grub-efi-allow-a-compilation-without-mcmodel-large.patch')
| -rw-r--r-- | meta/recipes-bsp/grub/files/grub-efi-allow-a-compilation-without-mcmodel-large.patch | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/meta/recipes-bsp/grub/files/grub-efi-allow-a-compilation-without-mcmodel-large.patch b/meta/recipes-bsp/grub/files/grub-efi-allow-a-compilation-without-mcmodel-large.patch deleted file mode 100644 index 4588fca4ba..0000000000 --- a/meta/recipes-bsp/grub/files/grub-efi-allow-a-compilation-without-mcmodel-large.patch +++ /dev/null @@ -1,131 +0,0 @@ -Allow a compilation without -mcmodel=large - -It's provided by Vladimir Serbinenko, and he will commit -it upstream so it should be backport patch. - -Upstream-Status: Backport - -Signed-off-by: Jackie Huang <jackie.huang@windriver.com> - --- -diff --git a/configure.ac b/configure.ac -index 9f8fb8a..2c5e6ed 100644 ---- a/configure.ac -+++ b/configure.ac -@@ -723,9 +723,7 @@ if test "$target_cpu" = x86_64; then - [grub_cv_cc_mcmodel=yes], - [grub_cv_cc_mcmodel=no]) - ]) -- if test "x$grub_cv_cc_mcmodel" = xno; then -- AC_MSG_ERROR([-mcmodel=large not supported. Upgrade your gcc.]) -- else -+ if test "x$grub_cv_cc_mcmodel" = xyes; then - TARGET_CFLAGS="$TARGET_CFLAGS -mcmodel=large" - fi - fi -diff --git a/grub-core/kern/efi/mm.c b/grub-core/kern/efi/mm.c -index 1409b5d..6e9dace 100644 ---- a/grub-core/kern/efi/mm.c -+++ b/grub-core/kern/efi/mm.c -@@ -32,6 +32,12 @@ - #define BYTES_TO_PAGES(bytes) (((bytes) + 0xfff) >> 12) - #define PAGES_TO_BYTES(pages) ((pages) << 12) - -+#if defined (__code_model_large__) || !defined (__x86_64__) -+#define MAX_USABLE_ADDRESS 0xffffffff -+#else -+#define MAX_USABLE_ADDRESS 0x7fffffff -+#endif -+ - /* The size of a memory map obtained from the firmware. This must be - a multiplier of 4KB. */ - #define MEMORY_MAP_SIZE 0x3000 -@@ -58,7 +64,7 @@ grub_efi_allocate_pages (grub_efi_physical_address_t address, - - #if 1 - /* Limit the memory access to less than 4GB for 32-bit platforms. */ -- if (address > 0xffffffff) -+ if (address > MAX_USABLE_ADDRESS) - return 0; - #endif - -@@ -66,7 +72,7 @@ grub_efi_allocate_pages (grub_efi_physical_address_t address, - if (address == 0) - { - type = GRUB_EFI_ALLOCATE_MAX_ADDRESS; -- address = 0xffffffff; -+ address = MAX_USABLE_ADDRESS; - } - else - type = GRUB_EFI_ALLOCATE_ADDRESS; -@@ -86,7 +92,7 @@ grub_efi_allocate_pages (grub_efi_physical_address_t address, - { - /* Uggh, the address 0 was allocated... This is too annoying, - so reallocate another one. */ -- address = 0xffffffff; -+ address = MAX_USABLE_ADDRESS; - status = efi_call_4 (b->allocate_pages, type, GRUB_EFI_LOADER_DATA, pages, &address); - grub_efi_free_pages (0, pages); - if (status != GRUB_EFI_SUCCESS) -@@ -319,7 +325,7 @@ filter_memory_map (grub_efi_memory_descriptor_t *memory_map, - { - if (desc->type == GRUB_EFI_CONVENTIONAL_MEMORY - #if 1 -- && desc->physical_start <= 0xffffffff -+ && desc->physical_start <= MAX_USABLE_ADDRESS - #endif - && desc->physical_start + PAGES_TO_BYTES (desc->num_pages) > 0x100000 - && desc->num_pages != 0) -@@ -337,9 +343,9 @@ filter_memory_map (grub_efi_memory_descriptor_t *memory_map, - #if 1 - if (BYTES_TO_PAGES (filtered_desc->physical_start) - + filtered_desc->num_pages -- > BYTES_TO_PAGES (0x100000000LL)) -+ > BYTES_TO_PAGES (MAX_USABLE_ADDRESS+1LL)) - filtered_desc->num_pages -- = (BYTES_TO_PAGES (0x100000000LL) -+ = (BYTES_TO_PAGES (MAX_USABLE_ADDRESS+1LL) - - BYTES_TO_PAGES (filtered_desc->physical_start)); - #endif - -diff --git a/grub-core/kern/x86_64/dl.c b/grub-core/kern/x86_64/dl.c -index 65f09ef..17c1215 100644 ---- a/grub-core/kern/x86_64/dl.c -+++ b/grub-core/kern/x86_64/dl.c -@@ -100,14 +100,32 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr) - break; - - case R_X86_64_PC32: -- *addr32 += rel->r_addend + sym->st_value - -- (Elf64_Xword) seg->addr - rel->r_offset; -+ { -+ grub_int64_t value; -+ value = ((grub_int32_t) *addr32) + rel->r_addend + sym->st_value - -+ (Elf64_Xword) seg->addr - rel->r_offset; -+ if (value != (grub_int32_t) value) -+ return grub_error (GRUB_ERR_BAD_MODULE, "relocation out of range"); -+ *addr32 = value; -+ } - break; - - case R_X86_64_32: -+ { -+ grub_uint64_t value = *addr32 + rel->r_addend + sym->st_value; -+ if (value != (grub_uint32_t) value) -+ return grub_error (GRUB_ERR_BAD_MODULE, "relocation out of range"); -+ *addr32 = value; -+ } -+ break; - case R_X86_64_32S: -- *addr32 += rel->r_addend + sym->st_value; -- break; -+ { -+ grub_int64_t value = ((grub_int32_t) *addr32) + rel->r_addend + sym->st_value; -+ if (value != (grub_int32_t) value) -+ return grub_error (GRUB_ERR_BAD_MODULE, "relocation out of range"); -+ *addr32 = value; -+ } -+ break; - - default: - return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET, |