Pull button into test branch

[pandora-kernel.git] / arch / s390 / kernel / reipl.S

diff --git a/arch/s390/kernel/reipl.S b/arch/s390/kernel/reipl.S
index 4562cdb..f9434d4 100644 (file)
--- a/arch/s390/kernel/reipl.S
+++ b/arch/s390/kernel/reipl.S
@@ -11,19 +11,10 @@
                .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
                stckc   .Lclkcmp-.Lpg0(%r13)
@@ -32,58 +23,54 @@ do_reipl_asm:       basr    %r13,0
                st      %r13, __LC_PSW_SAVE_AREA+4
 
                lctl    %c6,%c6,.Lall-.Lpg0(%r13)
-                lr      %r1,%r2
-               mvc     __LC_PGM_NEW_PSW(8),.Lpcnew-.Lpg0(%r13)
-                stsch   .Lschib-.Lpg0(%r13)                                    
-               oi      .Lschib+5-.Lpg0(%r13),0x84 
-.Lecs:         xi      .Lschib+27-.Lpg0(%r13),0x01 
-               msch    .Lschib-.Lpg0(%r13) 
-                lhi     %r0,5
-.Lssch:                ssch    .Liplorb-.Lpg0(%r13)           
+               lr      %r1,%r2
+               mvc     __LC_PGM_NEW_PSW(8),.Lpcnew-.Lpg0(%r13)
+               stsch   .Lschib-.Lpg0(%r13)
+               oi      .Lschib+5-.Lpg0(%r13),0x84
+.Lecs:         xi      .Lschib+27-.Lpg0(%r13),0x01
+               msch    .Lschib-.Lpg0(%r13)
+               lhi     %r0,5
+.Lssch:                ssch    .Liplorb-.Lpg0(%r13)
                jz      .L001
-                brct    %r0,.Lssch  
+               brct    %r0,.Lssch
                bas     %r14,.Ldisab-.Lpg0(%r13)
-.L001:         mvc     __LC_IO_NEW_PSW(8),.Lionew-.Lpg0(%r13)  
-.Ltpi:         lpsw    .Lwaitpsw-.Lpg0(%r13)          
+.L001:         mvc     __LC_IO_NEW_PSW(8),.Lionew-.Lpg0(%r13)
+.Ltpi:         lpsw    .Lwaitpsw-.Lpg0(%r13)
 .Lcont:                c       %r1,__LC_SUBCHANNEL_ID
                jnz     .Ltpi
                clc     __LC_IO_INT_PARM(4),.Liplorb-.Lpg0(%r13)
                jnz     .Ltpi
-               tsch    .Liplirb-.Lpg0(%r13)           
+               tsch    .Liplirb-.Lpg0(%r13)
                tm      .Liplirb+9-.Lpg0(%r13),0xbf
-                jz      .L002
-                bas     %r14,.Ldisab-.Lpg0(%r13)    
-.L002:         tm      .Liplirb+8-.Lpg0(%r13),0xf3    
-                jz      .L003
-                bas     %r14,.Ldisab-.Lpg0(%r13)       
-.L003:         spx     .Lnull-.Lpg0(%r13)
-               st      %r1,__LC_SUBCHANNEL_ID
-                lpsw   0
-               sigp    0,0,0(6)               
-.Ldisab:       st      %r14,.Ldispsw+4-.Lpg0(%r13)
+               jz      .L002
+               bas     %r14,.Ldisab-.Lpg0(%r13)
+.L002:         tm      .Liplirb+8-.Lpg0(%r13),0xf3
+               jz      .L003
+               bas     %r14,.Ldisab-.Lpg0(%r13)
+.L003:         st      %r1,__LC_SUBCHANNEL_ID
+               lpsw    0
+               sigp    0,0,0(6)
+.Ldisab:       st      %r14,.Ldispsw+4-.Lpg0(%r13)
                lpsw    .Ldispsw-.Lpg0(%r13)
-                .align         8
+               .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
-.Lionew:       .long   0x00080000,0x80000000+.Lcont
+               .align  8
+.Lnewpsw:      .long   0x00080000,0x80000000+.Lpg1
+.Lpcnew:       .long   0x00080000,0x80000000+.Lecs
+.Lionew:       .long   0x00080000,0x80000000+.Lcont
 .Lwaitpsw:     .long   0x020a0000,0x00000000+.Ltpi
-.Ldispsw:      .long   0x000a0000,0x00000000
-.Liplccws:     .long   0x02000000,0x60000018
-               .long   0x08000008,0x20000001
+.Ldispsw:      .long   0x000a0000,0x00000000
+.Liplccws:     .long   0x02000000,0x60000018
+               .long   0x08000008,0x20000001
 .Liplorb:      .long   0x0049504c,0x0040ff80
                .long   0x00000000+.Liplccws
-.Lschib:        .long   0x00000000,0x00000000
-               .long   0x00000000,0x00000000
-               .long   0x00000000,0x00000000
-               .long   0x00000000,0x00000000
-               .long   0x00000000,0x00000000
-               .long   0x00000000,0x00000000
+.Lschib:       .long   0x00000000,0x00000000
+               .long   0x00000000,0x00000000
+               .long   0x00000000,0x00000000
+               .long   0x00000000,0x00000000
+               .long   0x00000000,0x00000000
+               .long   0x00000000,0x00000000
 .Liplirb:      .long   0x00000000,0x00000000
                .long   0x00000000,0x00000000
                .long   0x00000000,0x00000000
@@ -92,6 +79,3 @@ do_reipl_asm: basr    %r13,0
                .long   0x00000000,0x00000000
                .long   0x00000000,0x00000000
                .long   0x00000000,0x00000000
-       
-
-