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-rw-r--r--arch/s390/Kconfig27
-rw-r--r--arch/s390/kernel/head.S123
2 files changed, 0 insertions, 150 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index eeaed9be5fda..354c0fe72ae3 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -406,33 +406,6 @@ config CHSC_SCH
comment "Misc"
-config IPL
- def_bool y
- prompt "Builtin IPL record support"
- help
- If you want to use the produced kernel to IPL directly from a
- device, you have to merge a bootsector specific to the device
- into the first bytes of the kernel. You will have to select the
- IPL device.
-
-choice
- prompt "IPL method generated into head.S"
- depends on IPL
- default IPL_VM
- help
- Select "tape" if you want to IPL the image from a Tape.
-
- Select "vm_reader" if you are running under VM/ESA and want
- to IPL the image from the emulated card reader.
-
-config IPL_TAPE
- bool "tape"
-
-config IPL_VM
- bool "vm_reader"
-
-endchoice
-
source "fs/Kconfig.binfmt"
config FORCE_MAX_ZONEORDER
diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S
index adccd908ebc7..4939d15375aa 100644
--- a/arch/s390/kernel/head.S
+++ b/arch/s390/kernel/head.S
@@ -34,125 +34,7 @@
#endif
__HEAD
-#ifndef CONFIG_IPL
- .org 0
- .long 0x00080000,0x80000000+startup # Just a restart PSW
-#else
-#ifdef CONFIG_IPL_TAPE
-#define IPL_BS 1024
- .org 0
- .long 0x00080000,0x80000000+iplstart # The first 24 bytes are loaded
- .long 0x27000000,0x60000001 # by ipl to addresses 0-23.
- .long 0x02000000,0x20000000+IPL_BS # (a PSW and two CCWs).
- .long 0x00000000,0x00000000 # external old psw
- .long 0x00000000,0x00000000 # svc old psw
- .long 0x00000000,0x00000000 # program check old psw
- .long 0x00000000,0x00000000 # machine check old psw
- .long 0x00000000,0x00000000 # io old psw
- .long 0x00000000,0x00000000
- .long 0x00000000,0x00000000
- .long 0x00000000,0x00000000
- .long 0x000a0000,0x00000058 # external new psw
- .long 0x000a0000,0x00000060 # svc new psw
- .long 0x000a0000,0x00000068 # program check new psw
- .long 0x000a0000,0x00000070 # machine check new psw
- .long 0x00080000,0x80000000+.Lioint # io new psw
- .org 0x100
-#
-# subroutine for loading from tape
-# Parameters:
-# R1 = device number
-# R2 = load address
-.Lloader:
- st %r14,.Lldret
- la %r3,.Lorbread # r3 = address of orb
- la %r5,.Lirb # r5 = address of irb
- st %r2,.Lccwread+4 # initialize CCW data addresses
- lctl %c6,%c6,.Lcr6
- slr %r2,%r2
-.Lldlp:
- la %r6,3 # 3 retries
-.Lssch:
- ssch 0(%r3) # load chunk of IPL_BS bytes
- bnz .Llderr
-.Lw4end:
- bas %r14,.Lwait4io
- tm 8(%r5),0x82 # do we have a problem ?
- bnz .Lrecov
- slr %r7,%r7
- icm %r7,3,10(%r5) # get residual count
- lcr %r7,%r7
- la %r7,IPL_BS(%r7) # IPL_BS-residual=#bytes read
- ar %r2,%r7 # add to total size
- tm 8(%r5),0x01 # found a tape mark ?
- bnz .Ldone
- l %r0,.Lccwread+4 # update CCW data addresses
- ar %r0,%r7
- st %r0,.Lccwread+4
- b .Lldlp
-.Ldone:
- l %r14,.Lldret
- br %r14 # r2 contains the total size
-.Lrecov:
- bas %r14,.Lsense # do the sensing
- bct %r6,.Lssch # dec. retry count & branch
- b .Llderr
-#
-# Sense subroutine
-#
-.Lsense:
- st %r14,.Lsnsret
- la %r7,.Lorbsense
- ssch 0(%r7) # start sense command
- bnz .Llderr
- bas %r14,.Lwait4io
- l %r14,.Lsnsret
- tm 8(%r5),0x82 # do we have a problem ?
- bnz .Llderr
- br %r14
-#
-# Wait for interrupt subroutine
-#
-.Lwait4io:
- lpsw .Lwaitpsw
-.Lioint:
- c %r1,0xb8 # compare subchannel number
- bne .Lwait4io
- tsch 0(%r5)
- slr %r0,%r0
- tm 8(%r5),0x82 # do we have a problem ?
- bnz .Lwtexit
- tm 8(%r5),0x04 # got device end ?
- bz .Lwait4io
-.Lwtexit:
- br %r14
-.Llderr:
- lpsw .Lcrash
-
- .align 8
-.Lorbread:
- .long 0x00000000,0x0080ff00,.Lccwread
- .align 8
-.Lorbsense:
- .long 0x00000000,0x0080ff00,.Lccwsense
- .align 8
-.Lccwread:
- .long 0x02200000+IPL_BS,0x00000000
-.Lccwsense:
- .long 0x04200001,0x00000000
-.Lwaitpsw:
- .long 0x020a0000,0x80000000+.Lioint
-
-.Lirb: .long 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
-.Lcr6: .long 0xff000000
- .align 8
-.Lcrash:.long 0x000a0000,0x00000000
-.Lldret:.long 0
-.Lsnsret: .long 0
-#endif /* CONFIG_IPL_TAPE */
-
-#ifdef CONFIG_IPL_VM
#define IPL_BS 0x730
.org 0
.long 0x00080000,0x80000000+iplstart # The first 24 bytes are loaded
@@ -256,7 +138,6 @@ __HEAD
.long 0x02600050,0x00000000
.endr
.long 0x02200050,0x00000000
-#endif /* CONFIG_IPL_VM */
iplstart:
lh %r1,0xb8 # test if subchannel number
@@ -325,7 +206,6 @@ iplstart:
clc 0(3,%r2),.L_eof
bz .Lagain2
-#ifdef CONFIG_IPL_VM
#
# reset files in VM reader
#
@@ -358,7 +238,6 @@ iplstart:
.long 0x00080000,0x80000000+.Lrdrint
.Lrdrwaitpsw:
.long 0x020a0000,0x80000000+.Lrdrint
-#endif
#
# everything loaded, go for it
@@ -376,8 +255,6 @@ iplstart:
.L_eof: .long 0xc5d6c600 /* C'EOF' */
.L_hdr: .long 0xc8c4d900 /* C'HDR' */
-#endif /* CONFIG_IPL */
-
#
# SALIPL loader support. Based on a patch by Rob van der Heij.
# This entry point is called directly from the SALIPL loader and
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