diff options
Diffstat (limited to 'arch/arm64/kernel/vmlinux.lds.S')
-rw-r--r-- | arch/arm64/kernel/vmlinux.lds.S | 68 |
1 files changed, 47 insertions, 21 deletions
diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S index 71426a78db12..623532f44323 100644 --- a/arch/arm64/kernel/vmlinux.lds.S +++ b/arch/arm64/kernel/vmlinux.lds.S @@ -46,6 +46,16 @@ jiffies = jiffies_64; *(.idmap.text) \ VMLINUX_SYMBOL(__idmap_text_end) = .; +#ifdef CONFIG_HIBERNATION +#define HIBERNATE_TEXT \ + . = ALIGN(SZ_4K); \ + VMLINUX_SYMBOL(__hibernate_exit_text_start) = .;\ + *(.hibernate_exit.text) \ + VMLINUX_SYMBOL(__hibernate_exit_text_end) = .; +#else +#define HIBERNATE_TEXT +#endif + /* * The size of the PE/COFF section that covers the kernel image, which * runs from stext to _edata, must be a round multiple of the PE/COFF @@ -63,14 +73,19 @@ PECOFF_FILE_ALIGNMENT = 0x200; #endif #if defined(CONFIG_DEBUG_ALIGN_RODATA) -#define ALIGN_DEBUG_RO . = ALIGN(1<<SECTION_SHIFT); -#define ALIGN_DEBUG_RO_MIN(min) ALIGN_DEBUG_RO -#elif defined(CONFIG_DEBUG_RODATA) -#define ALIGN_DEBUG_RO . = ALIGN(1<<PAGE_SHIFT); -#define ALIGN_DEBUG_RO_MIN(min) ALIGN_DEBUG_RO +/* + * 4 KB granule: 1 level 2 entry + * 16 KB granule: 128 level 3 entries, with contiguous bit + * 64 KB granule: 32 level 3 entries, with contiguous bit + */ +#define SEGMENT_ALIGN SZ_2M #else -#define ALIGN_DEBUG_RO -#define ALIGN_DEBUG_RO_MIN(min) . = ALIGN(min); +/* + * 4 KB granule: 16 level 3 entries, with contiguous bit + * 16 KB granule: 4 level 3 entries, without contiguous bit + * 64 KB granule: 1 level 3 entry + */ +#define SEGMENT_ALIGN SZ_64K #endif SECTIONS @@ -87,40 +102,43 @@ SECTIONS EXIT_CALL *(.discard) *(.discard.*) + *(.interp .dynamic) + *(.dynsym .dynstr .hash) } - . = PAGE_OFFSET + TEXT_OFFSET; + . = KIMAGE_VADDR + TEXT_OFFSET; .head.text : { _text = .; HEAD_TEXT } - ALIGN_DEBUG_RO .text : { /* Real text segment */ _stext = .; /* Text and read-only data */ __exception_text_start = .; *(.exception.text) __exception_text_end = .; IRQENTRY_TEXT + ENTRY_TEXT TEXT_TEXT SCHED_TEXT LOCK_TEXT + KPROBES_TEXT HYPERVISOR_TEXT IDMAP_TEXT + HIBERNATE_TEXT *(.fixup) *(.gnu.warning) . = ALIGN(16); *(.got) /* Global offset table */ } - ALIGN_DEBUG_RO - RO_DATA(PAGE_SIZE) - EXCEPTION_TABLE(8) + . = ALIGN(SEGMENT_ALIGN); + RO_DATA(PAGE_SIZE) /* everything from this point to */ + EXCEPTION_TABLE(8) /* _etext will be marked RO NX */ NOTES - ALIGN_DEBUG_RO - _etext = .; /* End of text and rodata section */ - ALIGN_DEBUG_RO_MIN(PAGE_SIZE) + . = ALIGN(SEGMENT_ALIGN); + _etext = .; /* End of text and rodata section */ __init_begin = .; INIT_TEXT_SECTION(8) @@ -128,7 +146,6 @@ SECTIONS ARM_EXIT_KEEP(EXIT_TEXT) } - ALIGN_DEBUG_RO_MIN(16) .init.data : { INIT_DATA INIT_SETUP(16) @@ -143,9 +160,6 @@ SECTIONS PERCPU_SECTION(L1_CACHE_BYTES) - . = ALIGN(PAGE_SIZE); - __init_end = .; - . = ALIGN(4); .altinstructions : { __alt_instructions = .; @@ -155,8 +169,16 @@ SECTIONS .altinstr_replacement : { *(.altinstr_replacement) } + .rela : ALIGN(8) { + *(.rela .rela*) + } + + __rela_offset = ABSOLUTE(ADDR(.rela) - KIMAGE_VADDR); + __rela_size = SIZEOF(.rela); + + . = ALIGN(SEGMENT_ALIGN); + __init_end = .; - . = ALIGN(PAGE_SIZE); _data = .; _sdata = .; RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) @@ -186,8 +208,12 @@ ASSERT(__hyp_idmap_text_end - (__hyp_idmap_text_start & ~(SZ_4K - 1)) <= SZ_4K, "HYP init code too big or misaligned") ASSERT(__idmap_text_end - (__idmap_text_start & ~(SZ_4K - 1)) <= SZ_4K, "ID map text too big or misaligned") +#ifdef CONFIG_HIBERNATION +ASSERT(__hibernate_exit_text_end - (__hibernate_exit_text_start & ~(SZ_4K - 1)) + <= SZ_4K, "Hibernate exit text too big or misaligned") +#endif /* * If padding is applied before .head.text, virt<->phys conversions will fail. */ -ASSERT(_text == (PAGE_OFFSET + TEXT_OFFSET), "HEAD is misaligned") +ASSERT(_text == (KIMAGE_VADDR + TEXT_OFFSET), "HEAD is misaligned") |