diff options
Diffstat (limited to 'kexec/arch/arm64/crashdump-arm64.c')
| -rw-r--r-- | kexec/arch/arm64/crashdump-arm64.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/kexec/arch/arm64/crashdump-arm64.c b/kexec/arch/arm64/crashdump-arm64.c index d142435..4fd7aa8 100644 --- a/kexec/arch/arm64/crashdump-arm64.c +++ b/kexec/arch/arm64/crashdump-arm64.c @@ -211,6 +211,30 @@ int load_crashdump_segments(struct kexec_info *info) return 0; } +/* + * e_entry and p_paddr are actually in virtual address space. + * Those values will be translated to physcal addresses by using + * virt_to_phys() in add_segment(). + * So let's fix up those values for later use so the memory base + * (arm64_mm.phys_offset) will be correctly replaced with + * crash_reserved_mem.start. + */ +void fixup_elf_addrs(struct mem_ehdr *ehdr) +{ + struct mem_phdr *phdr; + int i; + + ehdr->e_entry += - arm64_mem.phys_offset + crash_reserved_mem.start; + + for (i = 0; i < ehdr->e_phnum; i++) { + phdr = &ehdr->e_phdr[i]; + if (phdr->p_type != PT_LOAD) + continue; + phdr->p_paddr += + (-arm64_mem.phys_offset + crash_reserved_mem.start); + } +} + int get_crash_kernel_load_range(uint64_t *start, uint64_t *end) { if (!usablemem_rgns.size) |