vbatts/grub
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

mkimage: Pass layout to mkimage_generate_elfXX rather than some fields.

Browse source 
This allows easier extension of this function without having too long of
arguments list.
This commit is contained in:
Vladimir Serbinenko 2017-05-08 17:32:15 +02:00 committed by Vincent Batts
parent 5696d56d33
commit 587d1e78c9
3 changed files with 24 additions and 23 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
include/grub/util/mkimage.h
View file

@ -51,13 +51,13 @@ grub_mkimage_load_image64 (const char *kernel_path,
void
grub_mkimage_generate_elf32 (const struct grub_install_image_target_desc *image_target,
int note, char **core_img, size_t *core_size,
Elf32_Addr target_addr, grub_size_t align,
size_t kernel_size, size_t bss_size);
Elf32_Addr target_addr,
struct grub_mkimage_layout *layout);
void
grub_mkimage_generate_elf64 (const struct grub_install_image_target_desc *image_target,
int note, char **core_img, size_t *core_size,
Elf64_Addr target_addr, grub_size_t align,
size_t kernel_size, size_t bss_size);
Elf64_Addr target_addr,
struct grub_mkimage_layout *layout);
struct grub_install_image_target_desc
{

35
util/grub-mkimagexx.c
View file

@ -185,8 +185,8 @@ grub_arm_reloc_jump24 (grub_uint32_t *target, Elf32_Addr sym_addr)
void
SUFFIX (grub_mkimage_generate_elf) (const struct grub_install_image_target_desc *image_target,
int note, char **core_img, size_t *core_size,
Elf_Addr target_addr, grub_size_t align,
size_t kernel_size, size_t bss_size)
Elf_Addr target_addr,
struct grub_mkimage_layout *layout)
{
char *elf_img;
size_t program_size;
@ -214,7 +214,7 @@ SUFFIX (grub_mkimage_generate_elf) (const struct grub_install_image_target_desc
footer_size += XEN_NOTE_SIZE;
}
header_size = ALIGN_UP (sizeof (*ehdr) + phnum * sizeof (*phdr)
+ shnum * sizeof (*shdr) + string_size, align);
+ shnum * sizeof (*shdr) + string_size, layout->align);
program_size = ALIGN_ADDR (*core_size);
@ -258,7 +258,8 @@ SUFFIX (grub_mkimage_generate_elf) (const struct grub_install_image_target_desc
ehdr->e_entry = grub_host_to_target32 (target_addr);
phdr->p_vaddr = grub_host_to_target32 (target_addr);
phdr->p_paddr = grub_host_to_target32 (target_addr);
phdr->p_align = grub_host_to_target32 (align > image_target->link_align ? align : image_target->link_align);
phdr->p_align = grub_host_to_target32 (layout->align > image_target->link_align ?
layout->align : image_target->link_align);
if (image_target->id == IMAGE_LOONGSON_ELF)
ehdr->e_flags = grub_host_to_target32 (0x1000 | EF_MIPS_NOREORDER
| EF_MIPS_PIC | EF_MIPS_CPIC);
@ -272,27 +273,27 @@ SUFFIX (grub_mkimage_generate_elf) (const struct grub_install_image_target_desc
else
{
grub_uint32_t target_addr_mods;
phdr->p_filesz = grub_host_to_target32 (kernel_size);
phdr->p_memsz = grub_host_to_target32 (kernel_size + bss_size);
phdr->p_filesz = grub_host_to_target32 (layout->kernel_size);
phdr->p_memsz = grub_host_to_target32 (layout->kernel_size + layout->bss_size);
phdr++;
phdr->p_type = grub_host_to_target32 (PT_GNU_STACK);
phdr->p_offset = grub_host_to_target32 (header_size + kernel_size);
phdr->p_offset = grub_host_to_target32 (header_size + layout->kernel_size);
phdr->p_paddr = phdr->p_vaddr = phdr->p_filesz = phdr->p_memsz = 0;
phdr->p_flags = grub_host_to_target32 (PF_R | PF_W | PF_X);
phdr->p_align = grub_host_to_target32 (image_target->link_align);
phdr++;
phdr->p_type = grub_host_to_target32 (PT_LOAD);
phdr->p_offset = grub_host_to_target32 (header_size + kernel_size);
phdr->p_offset = grub_host_to_target32 (header_size + layout->kernel_size);
phdr->p_flags = grub_host_to_target32 (PF_R | PF_W | PF_X);
phdr->p_filesz = phdr->p_memsz
= grub_host_to_target32 (*core_size - kernel_size);
= grub_host_to_target32 (*core_size - layout->kernel_size);
if (image_target->id == IMAGE_COREBOOT)
target_addr_mods = GRUB_KERNEL_I386_COREBOOT_MODULES_ADDR;
else
target_addr_mods = ALIGN_UP (target_addr + kernel_size + bss_size
target_addr_mods = ALIGN_UP (target_addr + layout->kernel_size + layout->bss_size
+ image_target->mod_gap,
image_target->mod_align);
phdr->p_vaddr = grub_host_to_target_addr (target_addr_mods);
@ -434,7 +435,7 @@ SUFFIX (grub_mkimage_generate_elf) (const struct grub_install_image_target_desc
shdr->sh_size = grub_host_to_target32 (string_size);
shdr->sh_link = grub_host_to_target32 (0);
shdr->sh_info = grub_host_to_target32 (0);
shdr->sh_addralign = grub_host_to_target32 (align);
shdr->sh_addralign = grub_host_to_target32 (layout->align);
shdr->sh_entsize = grub_host_to_target32 (0);
shdr++;
@ -445,10 +446,10 @@ SUFFIX (grub_mkimage_generate_elf) (const struct grub_install_image_target_desc
shdr->sh_type = grub_host_to_target32 (SHT_PROGBITS);
shdr->sh_addr = grub_host_to_target_addr (target_addr);
shdr->sh_offset = grub_host_to_target_addr (header_size);
shdr->sh_size = grub_host_to_target32 (kernel_size);
shdr->sh_size = grub_host_to_target32 (layout->kernel_size);
shdr->sh_link = grub_host_to_target32 (0);
shdr->sh_info = grub_host_to_target32 (0);
shdr->sh_addralign = grub_host_to_target32 (align);
shdr->sh_addralign = grub_host_to_target32 (layout->align);
shdr->sh_entsize = grub_host_to_target32 (0);
shdr++;
@ -456,9 +457,9 @@ SUFFIX (grub_mkimage_generate_elf) (const struct grub_install_image_target_desc
shdr->sh_name = grub_host_to_target32 (ptr - str_start);
ptr += sizeof ("mods");
shdr->sh_type = grub_host_to_target32 (SHT_PROGBITS);
shdr->sh_addr = grub_host_to_target_addr (target_addr + kernel_size);
shdr->sh_offset = grub_host_to_target_addr (header_size + kernel_size);
shdr->sh_size = grub_host_to_target32 (*core_size - kernel_size);
shdr->sh_addr = grub_host_to_target_addr (target_addr + layout->kernel_size);
shdr->sh_offset = grub_host_to_target_addr (header_size + layout->kernel_size);
shdr->sh_size = grub_host_to_target32 (*core_size - layout->kernel_size);
shdr->sh_link = grub_host_to_target32 (0);
shdr->sh_info = grub_host_to_target32 (0);
shdr->sh_addralign = grub_host_to_target32 (image_target->voidp_sizeof);
@ -471,7 +472,7 @@ SUFFIX (grub_mkimage_generate_elf) (const struct grub_install_image_target_desc
shdr->sh_name = grub_host_to_target32 (ptr - str_start);
ptr += sizeof (".xen");
shdr->sh_type = grub_host_to_target32 (SHT_PROGBITS);
shdr->sh_addr = grub_host_to_target_addr (target_addr + kernel_size);
shdr->sh_addr = grub_host_to_target_addr (target_addr + layout->kernel_size);
shdr->sh_offset = grub_host_to_target_addr (program_size + header_size);
shdr->sh_size = grub_host_to_target32 (XEN_NOTE_SIZE);
shdr->sh_link = grub_host_to_target32 (0);

4
util/mkimage.c
View file

@ -1638,10 +1638,10 @@ grub_install_generate_image (const char *dir, const char *prefix,
target_addr = image_target->link_addr;
if (image_target->voidp_sizeof == 4)
grub_mkimage_generate_elf32 (image_target, note, &core_img, &core_size,
target_addr, layout.align, layout.kernel_size, layout.bss_size);
target_addr, &layout);
else
grub_mkimage_generate_elf64 (image_target, note, &core_img, &core_size,
target_addr, layout.align, layout.kernel_size, layout.bss_size);
target_addr, &layout);
}
break;
}