diff options
Diffstat (limited to 'arch/s390/kernel/reipl.S')
| -rw-r--r-- | arch/s390/kernel/reipl.S | 23 |
1 files changed, 7 insertions, 16 deletions
diff --git a/arch/s390/kernel/reipl.S b/arch/s390/kernel/reipl.S index 0340477f3b0..c3f4d9b9508 100644 --- a/arch/s390/kernel/reipl.S +++ b/arch/s390/kernel/reipl.S @@ -11,21 +11,12 @@ .globl do_reipl_asm do_reipl_asm: basr %r13,0 .Lpg0: lpsw .Lnewpsw-.Lpg0(%r13) - - # switch off lowcore protection - -.Lpg1: stctl %c0,%c0,.Lctlsave1-.Lpg0(%r13) - stctl %c0,%c0,.Lctlsave2-.Lpg0(%r13) - ni .Lctlsave1-.Lpg0(%r13),0xef - lctl %c0,%c0,.Lctlsave1-.Lpg0(%r13) - - # do store status of all registers +.Lpg1: # do store status of all registers stm %r0,%r15,__LC_GPREGS_SAVE_AREA stctl %c0,%c15,__LC_CREGS_SAVE_AREA - mvc __LC_CREGS_SAVE_AREA(4),.Lctlsave2-.Lpg0(%r13) stam %a0,%a15,__LC_AREGS_SAVE_AREA - stpx __LC_PREFIX_SAVE_AREA + mvc __LC_PREFIX_SAVE_AREA(4),dump_prefix_page-.Lpg0(%r13) stckc .Lclkcmp-.Lpg0(%r13) mvc __LC_CLOCK_COMP_SAVE_AREA(8),.Lclkcmp-.Lpg0(%r13) stpt __LC_CPU_TIMER_SAVE_AREA @@ -56,8 +47,7 @@ do_reipl_asm: basr %r13,0 .L002: tm .Liplirb+8-.Lpg0(%r13),0xf3 jz .L003 bas %r14,.Ldisab-.Lpg0(%r13) -.L003: spx .Lnull-.Lpg0(%r13) - st %r1,__LC_SUBCHANNEL_ID +.L003: st %r1,__LC_SUBCHANNEL_ID lpsw 0 sigp 0,0,0(6) .Ldisab: st %r14,.Ldispsw+4-.Lpg0(%r13) @@ -65,9 +55,6 @@ do_reipl_asm: basr %r13,0 .align 8 .Lclkcmp: .quad 0x0000000000000000 .Lall: .long 0xff000000 -.Lnull: .long 0x00000000 -.Lctlsave1: .long 0x00000000 -.Lctlsave2: .long 0x00000000 .align 8 .Lnewpsw: .long 0x00080000,0x80000000+.Lpg1 .Lpcnew: .long 0x00080000,0x80000000+.Lecs @@ -92,3 +79,7 @@ do_reipl_asm: basr %r13,0 .long 0x00000000,0x00000000 .long 0x00000000,0x00000000 .long 0x00000000,0x00000000 + .globl dump_prefix_page +dump_prefix_page: + .long 0x00000000 + |