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-rw-r--r--arch/s390/kernel/reipl.S78
1 files changed, 78 insertions, 0 deletions
diff --git a/arch/s390/kernel/reipl.S b/arch/s390/kernel/reipl.S
new file mode 100644
index 000000000000..658e5ac484f9
--- /dev/null
+++ b/arch/s390/kernel/reipl.S
@@ -0,0 +1,78 @@
+/*
+ * arch/s390/kernel/reipl.S
+ *
+ * S390 version
+ * Copyright (C) 2000 IBM Deutschland Entwicklung GmbH, IBM Corporation
+ * Author(s): Holger Smolinski (Holger.Smolinski@de.ibm.com)
+ */
+
+#include <asm/lowcore.h>
+
+ .globl do_reipl
+do_reipl: basr %r13,0
+.Lpg0: lpsw .Lnewpsw-.Lpg0(%r13)
+.Lpg1: lctl %c6,%c6,.Lall-.Lpg0(%r13)
+ stctl %c0,%c0,.Lctlsave-.Lpg0(%r13)
+ ni .Lctlsave-.Lpg0(%r13),0xef
+ lctl %c0,%c0,.Lctlsave-.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
+ bas %r14,.Ldisab-.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)
+ 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)
+ lpsw .Ldispsw-.Lpg0(%r13)
+ .align 8
+.Lall: .long 0xff000000
+.Lnull: .long 0x00000000
+.Lctlsave: .long 0x00000000
+ .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
+.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
+.Liplirb: .long 0x00000000,0x00000000
+ .long 0x00000000,0x00000000
+ .long 0x00000000,0x00000000
+ .long 0x00000000,0x00000000
+ .long 0x00000000,0x00000000
+ .long 0x00000000,0x00000000
+ .long 0x00000000,0x00000000
+ .long 0x00000000,0x00000000
+
+
+