From 455cac5028c410345d161344a3860f2a7b636885 Mon Sep 17 00:00:00 2001 From: Alexander Egorenkov Date: Wed, 21 Jul 2021 12:27:59 +0200 Subject: s390/setup: generate asm offsets from struct parmarea To reduce duplication, replace error-prone and hard-coded parameter area offsets with auto-generated ones. Signed-off-by: Alexander Egorenkov Acked-by: Heiko Carstens Signed-off-by: Heiko Carstens --- arch/s390/kernel/asm-offsets.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'arch/s390/kernel/asm-offsets.c') diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c index 77ff2130cb04..8a6fdf0f5e91 100644 --- a/arch/s390/kernel/asm-offsets.c +++ b/arch/s390/kernel/asm-offsets.c @@ -152,5 +152,12 @@ int main(void) DEFINE(__KEXEC_SHA_REGION_SIZE, sizeof(struct kexec_sha_region)); /* sizeof kernel parameter area */ DEFINE(__PARMAREA_SIZE, sizeof(struct parmarea)); + /* kernel parameter area offsets */ + DEFINE(IPL_DEVICE, PARMAREA + offsetof(struct parmarea, ipl_device)); + DEFINE(INITRD_START, PARMAREA + offsetof(struct parmarea, initrd_start)); + DEFINE(INITRD_SIZE, PARMAREA + offsetof(struct parmarea, initrd_size)); + DEFINE(OLDMEM_BASE, PARMAREA + offsetof(struct parmarea, oldmem_base)); + DEFINE(OLDMEM_SIZE, PARMAREA + offsetof(struct parmarea, oldmem_size)); + DEFINE(COMMAND_LINE, PARMAREA + offsetof(struct parmarea, command_line)); return 0; } -- cgit v1.2.3