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Diffstat (limited to 'arch/s390/boot/head.S')
-rw-r--r--arch/s390/boot/head.S25
1 files changed, 15 insertions, 10 deletions
diff --git a/arch/s390/boot/head.S b/arch/s390/boot/head.S
index 0a47b16f6412..0b511d5c030b 100644
--- a/arch/s390/boot/head.S
+++ b/arch/s390/boot/head.S
@@ -254,8 +254,9 @@ SYM_CODE_START_LOCAL(startup_normal)
xc 0xf00(256),0xf00
larl %r13,.Lctl
lctlg %c0,%c15,0(%r13) # load control registers
- stcke __LC_BOOT_CLOCK
- mvc __LC_LAST_UPDATE_CLOCK(8),__LC_BOOT_CLOCK+1
+ larl %r13,tod_clock_base
+ stcke 0(%r13)
+ mvc __LC_LAST_UPDATE_CLOCK(8),1(%r13)
larl %r13,6f
spt 0(%r13)
mvc __LC_LAST_UPDATE_TIMER(8),0(%r13)
@@ -292,12 +293,6 @@ SYM_CODE_END(startup_normal)
#include "head_kdump.S"
-#
-# This program check is active immediately after kernel start
-# and until early_pgm_check_handler is set in kernel/early.c
-# It simply saves general/control registers and psw in
-# the save area and does disabled wait with a faulty address.
-#
SYM_CODE_START_LOCAL(startup_pgm_check_handler)
stmg %r8,%r15,__LC_SAVE_AREA
la %r8,4095
@@ -311,8 +306,18 @@ SYM_CODE_START_LOCAL(startup_pgm_check_handler)
oi __LC_RETURN_PSW+1,0x2 # set wait state bit
larl %r9,.Lold_psw_disabled_wait
stg %r9,__LC_PGM_NEW_PSW+8
- larl %r15,_dump_info_stack_end-STACK_FRAME_OVERHEAD
- brasl %r14,print_pgm_check_info
+ larl %r15,_dump_info_stack_end-(STACK_FRAME_OVERHEAD+__PT_SIZE)
+ la %r2,STACK_FRAME_OVERHEAD(%r15)
+ mvc __PT_PSW(16,%r2),__LC_PSW_SAVE_AREA-4095(%r8)
+ mvc __PT_R0(128,%r2),__LC_GPREGS_SAVE_AREA-4095(%r8)
+ mvc __PT_LAST_BREAK(8,%r2),__LC_PGM_LAST_BREAK
+ mvc __PT_INT_CODE(4,%r2),__LC_PGM_INT_CODE
+ brasl %r14,do_pgm_check
+ larl %r9,startup_pgm_check_handler
+ stg %r9,__LC_PGM_NEW_PSW+8
+ mvc __LC_RETURN_PSW(16),STACK_FRAME_OVERHEAD+__PT_PSW(%r15)
+ lmg %r0,%r15,STACK_FRAME_OVERHEAD+__PT_R0(%r15)
+ lpswe __LC_RETURN_PSW
.Lold_psw_disabled_wait:
la %r8,4095
lmg %r0,%r15,__LC_GPREGS_SAVE_AREA-4095(%r8)