diff options
Diffstat (limited to 'import-layers/yocto-poky/meta/recipes-bsp/grub/files/grub-efi-allow-a-compilation-without-mcmodel-large.patch')
| -rw-r--r-- | import-layers/yocto-poky/meta/recipes-bsp/grub/files/grub-efi-allow-a-compilation-without-mcmodel-large.patch | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/import-layers/yocto-poky/meta/recipes-bsp/grub/files/grub-efi-allow-a-compilation-without-mcmodel-large.patch b/import-layers/yocto-poky/meta/recipes-bsp/grub/files/grub-efi-allow-a-compilation-without-mcmodel-large.patch new file mode 100644 index 000000000..4588fca4b --- /dev/null +++ b/import-layers/yocto-poky/meta/recipes-bsp/grub/files/grub-efi-allow-a-compilation-without-mcmodel-large.patch @@ -0,0 +1,131 @@ +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, |
