diff options
Diffstat (limited to 'arch/s390/kernel/head31.S')
| -rw-r--r-- | arch/s390/kernel/head31.S | 23 |
1 files changed, 8 insertions, 15 deletions
diff --git a/arch/s390/kernel/head31.S b/arch/s390/kernel/head31.S index b8f8dc12610..6dbe80983a2 100644 --- a/arch/s390/kernel/head31.S +++ b/arch/s390/kernel/head31.S @@ -1,7 +1,5 @@ /* - * arch/s390/kernel/head31.S - * - * Copyright (C) IBM Corp. 2005,2010 + * Copyright IBM Corp. 2005, 2010 * * Author(s): Hartmut Penner <hp@de.ibm.com> * Martin Schwidefsky <schwidefsky@de.ibm.com> @@ -11,13 +9,13 @@ */ #include <linux/init.h> +#include <linux/linkage.h> #include <asm/asm-offsets.h> #include <asm/thread_info.h> #include <asm/page.h> __HEAD - .globl startup_continue -startup_continue: +ENTRY(startup_continue) basr %r13,0 # get base .LPG1: @@ -45,7 +43,7 @@ startup_continue: # virtual and never return ... .align 8 .Lentry:.long 0x00080000,0x80000000 + _stext -.Lctl: .long 0x04b50002 # cr0: various things +.Lctl: .long 0x04b50000 # cr0: various things .long 0 # cr1: primary space segment table .long .Lduct # cr2: dispatchable unit control table .long 0 # cr3: instruction authorization @@ -61,7 +59,6 @@ startup_continue: .long 0 # cr13: home space segment table .long 0xc0000000 # cr14: machine check handling off .long 0 # cr15: linkage stack operations -.Lmchunk:.long memory_chunk .Lbss_bgn: .long __bss_start .Lbss_end: .long _end .Lparmaddr: .long PARMAREA @@ -78,22 +75,18 @@ startup_continue: .Lbase_cc: .long sched_clock_base_cc - .globl _ehead -_ehead: +ENTRY(_ehead) -#ifdef CONFIG_SHARED_KERNEL .org 0x100000 - 0x11000 # head.o ends at 0x11000 -#endif - # # startup-code, running in absolute addressing mode # - .globl _stext -_stext: basr %r13,0 # get base +ENTRY(_stext) + basr %r13,0 # get base .LPG3: # check control registers stctl %c0,%c15,0(%r15) - oi 2(%r15),0x40 # enable sigp emergency signal + oi 2(%r15),0x60 # enable sigp emergency & external call oi 0(%r15),0x10 # switch on low address protection lctl %c0,%c15,0(%r15) |