diff options
Diffstat (limited to 'arch/arm64/kernel/image-vars.h')
| -rw-r--r-- | arch/arm64/kernel/image-vars.h | 80 |
1 files changed, 49 insertions, 31 deletions
diff --git a/arch/arm64/kernel/image-vars.h b/arch/arm64/kernel/image-vars.h index 2004b4f41ade..714b0b5ec5ac 100644 --- a/arch/arm64/kernel/image-vars.h +++ b/arch/arm64/kernel/image-vars.h @@ -10,6 +10,16 @@ #error This file should only be included in vmlinux.lds.S #endif +#if defined(CONFIG_LD_IS_LLD) && CONFIG_LLD_VERSION < 210000 +#define ASSERT(...) +#endif + +#define PI_EXPORT_SYM(sym) \ + __PI_EXPORT_SYM(sym, __pi_ ## sym, Cannot export BSS symbol sym to startup code) +#define __PI_EXPORT_SYM(sym, pisym, msg)\ + PROVIDE(pisym = sym); \ + ASSERT((sym - KIMAGE_VADDR) < (__bss_start - KIMAGE_VADDR), #msg) + PROVIDE(__efistub_primary_entry = primary_entry); /* @@ -36,37 +46,30 @@ PROVIDE(__pi___memcpy = __pi_memcpy); PROVIDE(__pi___memmove = __pi_memmove); PROVIDE(__pi___memset = __pi_memset); -PROVIDE(__pi_id_aa64isar1_override = id_aa64isar1_override); -PROVIDE(__pi_id_aa64isar2_override = id_aa64isar2_override); -PROVIDE(__pi_id_aa64mmfr0_override = id_aa64mmfr0_override); -PROVIDE(__pi_id_aa64mmfr1_override = id_aa64mmfr1_override); -PROVIDE(__pi_id_aa64mmfr2_override = id_aa64mmfr2_override); -PROVIDE(__pi_id_aa64pfr0_override = id_aa64pfr0_override); -PROVIDE(__pi_id_aa64pfr1_override = id_aa64pfr1_override); -PROVIDE(__pi_id_aa64smfr0_override = id_aa64smfr0_override); -PROVIDE(__pi_id_aa64zfr0_override = id_aa64zfr0_override); -PROVIDE(__pi_arm64_sw_feature_override = arm64_sw_feature_override); -PROVIDE(__pi_arm64_use_ng_mappings = arm64_use_ng_mappings); -PROVIDE(__pi__ctype = _ctype); -PROVIDE(__pi_memstart_offset_seed = memstart_offset_seed); - -PROVIDE(__pi_init_idmap_pg_dir = init_idmap_pg_dir); -PROVIDE(__pi_init_idmap_pg_end = init_idmap_pg_end); -PROVIDE(__pi_init_pg_dir = init_pg_dir); -PROVIDE(__pi_init_pg_end = init_pg_end); -PROVIDE(__pi_swapper_pg_dir = swapper_pg_dir); - -PROVIDE(__pi__text = _text); -PROVIDE(__pi__stext = _stext); -PROVIDE(__pi__etext = _etext); -PROVIDE(__pi___start_rodata = __start_rodata); -PROVIDE(__pi___inittext_begin = __inittext_begin); -PROVIDE(__pi___inittext_end = __inittext_end); -PROVIDE(__pi___initdata_begin = __initdata_begin); -PROVIDE(__pi___initdata_end = __initdata_end); -PROVIDE(__pi__data = _data); -PROVIDE(__pi___bss_start = __bss_start); -PROVIDE(__pi__end = _end); +PI_EXPORT_SYM(id_aa64isar1_override); +PI_EXPORT_SYM(id_aa64isar2_override); +PI_EXPORT_SYM(id_aa64mmfr0_override); +PI_EXPORT_SYM(id_aa64mmfr1_override); +PI_EXPORT_SYM(id_aa64mmfr2_override); +PI_EXPORT_SYM(id_aa64pfr0_override); +PI_EXPORT_SYM(id_aa64pfr1_override); +PI_EXPORT_SYM(id_aa64smfr0_override); +PI_EXPORT_SYM(id_aa64zfr0_override); +PI_EXPORT_SYM(arm64_sw_feature_override); +PI_EXPORT_SYM(arm64_use_ng_mappings); +PI_EXPORT_SYM(_ctype); + +PI_EXPORT_SYM(swapper_pg_dir); + +PI_EXPORT_SYM(_text); +PI_EXPORT_SYM(_stext); +PI_EXPORT_SYM(_etext); +PI_EXPORT_SYM(__start_rodata); +PI_EXPORT_SYM(__inittext_begin); +PI_EXPORT_SYM(__inittext_end); +PI_EXPORT_SYM(__initdata_begin); +PI_EXPORT_SYM(__initdata_end); +PI_EXPORT_SYM(_data); #ifdef CONFIG_KVM @@ -127,6 +130,8 @@ KVM_NVHE_ALIAS(__hyp_text_start); KVM_NVHE_ALIAS(__hyp_text_end); KVM_NVHE_ALIAS(__hyp_bss_start); KVM_NVHE_ALIAS(__hyp_bss_end); +KVM_NVHE_ALIAS(__hyp_data_start); +KVM_NVHE_ALIAS(__hyp_data_end); KVM_NVHE_ALIAS(__hyp_rodata_start); KVM_NVHE_ALIAS(__hyp_rodata_end); @@ -139,4 +144,17 @@ KVM_NVHE_ALIAS(kvm_protected_mode_initialized); _kernel_codesize = ABSOLUTE(__inittext_end - _text); #endif +/* + * LLD will occasionally error out with a '__init_end does not converge' error + * if INIT_IDMAP_DIR_SIZE is defined in terms of _end, as this results in a + * circular dependency. Counter this by dimensioning the initial IDMAP page + * tables based on kimage_limit, which is defined such that its value should + * not change as a result of the initdata segment being pushed over a 64k + * segment boundary due to changes in INIT_IDMAP_DIR_SIZE, provided that its + * value doesn't change by more than 2M between linker passes. + */ +kimage_limit = ALIGN(ABSOLUTE(_end + SZ_64K), SZ_2M); + +#undef ASSERT + #endif /* __ARM64_KERNEL_IMAGE_VARS_H */ |