diff options
Diffstat (limited to 'arch/s390/purgatory/head.S')
| -rw-r--r-- | arch/s390/purgatory/head.S | 62 |
1 files changed, 19 insertions, 43 deletions
diff --git a/arch/s390/purgatory/head.S b/arch/s390/purgatory/head.S index 6f835124ee82..e5bd1a503528 100644 --- a/arch/s390/purgatory/head.S +++ b/arch/s390/purgatory/head.S @@ -76,9 +76,9 @@ diag %r0,%r1,0x308 .endm -.text -.align PAGE_SIZE -ENTRY(purgatory_start) + .text + .balign PAGE_SIZE +SYM_CODE_START(purgatory_start) /* The purgatory might be called after a diag308 so better set * architecture and addressing mode. */ @@ -245,45 +245,21 @@ ENTRY(purgatory_start) /* start crash kernel */ START_NEXT_KERNEL .base_dst 1 - - -load_psw_mask: - .long 0x00080000,0x80000000 - - .align 8 -disabled_wait_psw: - .quad 0x0002000180000000 - .quad 0x0000000000000000 + .do_checksum_verification - -gprregs: - .rept 10 - .quad 0 - .endr - -/* Macro to define a global variable with name and size (in bytes) to be - * shared with C code. - * - * Add the .size and .type attribute to satisfy checks on the Elf_Sym during - * purgatory load. - */ -.macro GLOBAL_VARIABLE name,size -\name: - .global \name - .size \name,\size - .type \name,object - .skip \size,0 -.endm - -GLOBAL_VARIABLE purgatory_sha256_digest,32 -GLOBAL_VARIABLE purgatory_sha_regions,16*__KEXEC_SHA_REGION_SIZE -GLOBAL_VARIABLE kernel_entry,8 -GLOBAL_VARIABLE kernel_type,8 -GLOBAL_VARIABLE crash_start,8 -GLOBAL_VARIABLE crash_size,8 - - .align PAGE_SIZE -stack: +SYM_CODE_END(purgatory_start) + +SYM_DATA_LOCAL(load_psw_mask, .long 0x00080000,0x80000000) + .balign 8 +SYM_DATA_LOCAL(disabled_wait_psw, .quad 0x0002000180000000,.do_checksum_verification) +SYM_DATA_LOCAL(gprregs, .fill 10,8,0) +SYM_DATA(purgatory_sha256_digest, .skip 32) +SYM_DATA(purgatory_sha_regions, .skip 16*__KEXEC_SHA_REGION_SIZE) +SYM_DATA(kernel_entry, .skip 8) +SYM_DATA(kernel_type, .skip 8) +SYM_DATA(crash_start, .skip 8) +SYM_DATA(crash_size, .skip 8) + .balign PAGE_SIZE +SYM_DATA_START_LOCAL(stack) /* The buffer to move this code must be as big as the code. */ .skip stack-purgatory_start - .align PAGE_SIZE -purgatory_end: + .balign PAGE_SIZE +SYM_DATA_END_LABEL(stack, SYM_L_LOCAL, purgatory_end) |