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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2010-02-26 22:37:53 +0100
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>2010-02-26 22:37:33 +0100
commit1844c9bc0b2fed3023551c1affe033ab38e90b9a (patch)
treeb9aca066ec58a0b211a4931032b74093fdb6ff49 /arch/s390/kernel/head31.S
parent73bfa5f2f71efcdcaad8d18cbed96b9d7ed86948 (diff)
[S390] add support for compressed kernels
Add the "bzImage" compile target and the necessary code to generate compressed kernel images. The old style uncompressed "image" target is preserved, a simple make will build them both. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/head31.S')
-rw-r--r--arch/s390/kernel/head31.S16
1 files changed, 12 insertions, 4 deletions
diff --git a/arch/s390/kernel/head31.S b/arch/s390/kernel/head31.S
index 602b508cd4c..1bbcc499d45 100644
--- a/arch/s390/kernel/head31.S
+++ b/arch/s390/kernel/head31.S
@@ -1,7 +1,7 @@
/*
* arch/s390/kernel/head31.S
*
- * Copyright (C) IBM Corp. 2005,2006
+ * Copyright (C) IBM Corp. 2005,2010
*
* Author(s): Hartmut Penner <hp@de.ibm.com>
* Martin Schwidefsky <schwidefsky@de.ibm.com>
@@ -10,13 +10,19 @@
*
*/
- .org 0x11000
+#include <linux/init.h>
+#include <asm/asm-offsets.h>
+#include <asm/thread_info.h>
+#include <asm/page.h>
+__HEAD
+ .globl startup_continue
startup_continue:
basr %r13,0 # get base
.LPG1:
- mvi __LC_AR_MODE_ID,0 # set ESA flag (mode 0)
+ l %r1,.Lbase_cc-.LPG1(%r13)
+ mvc 0(8,%r1),__LC_LAST_UPDATE_CLOCK
lctl %c0,%c15,.Lctl-.LPG1(%r13) # load control registers
l %r12,.Lparmaddr-.LPG1(%r13) # pointer to parameter area
# move IPL device to lowcore
@@ -69,10 +75,12 @@ startup_continue:
.Lduald:.rept 8
.long 0x80000000,0,0,0 # invalid access-list entries
.endr
+.Lbase_cc:
+ .long sched_clock_base_cc
- .org 0x12000
.globl _ehead
_ehead:
+
#ifdef CONFIG_SHARED_KERNEL
.org 0x100000
#endif