Skip to content

L
linux
Commit 185fe116 authored by Martin Schwidefsky's avatar Martin Schwidefsky Committed by Linus Torvalds
Browse files
Options

[PATCH] s390: remove outdated code. 

Remove outdated ipl records from arch/s390/boot. They are now part of
the s390-tools package.
parent 13ac1a3c
Show whitespace changes
Inline Side-by-side
Showing with 0 additions and 612 deletions
arch/s390/boot/ipldump.S deleted 100644 → 0
View file @ 13ac1a3c
/*
* arch/s390/boot/ipldump.S
*
* S390 version
* Copyright (C) 2000 IBM Deutschland Entwicklung GmbH, IBM Corporation
* Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
*
* Tape dump ipl record. Put it on a tape and ipl from it and it will
* write a dump of the real storage after the ipl record on that tape.
*/
#include <asm/setup.h>
#include <asm/lowcore.h>
#define IPL_BS 1024
.org 0
.long 0x00080000,0x80000000+_start # The first 24 bytes are loaded
.long 0x07000000,0x60000001 # by ipl to addresses 0-23.
.long 0x02000000,0x20000000+IPL_BS # (a PSW and two CCWs).
.long 0x00000000,0x00000000
.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
.globl _start
_start:
l %r1,0xb8 # load ipl subchannel number
#
# find out memory size
#
mvc 104(8),.Lpcmem0 # setup program check handler
slr %r3,%r3
lhi %r2,1
sll %r2,20
.Lloop0:
l %r0,0(%r3) # test page
ar %r3,%r2 # add 1M
jnm .Lloop0 # r1 < 0x80000000 -> loop
.Lchkmem0:
n %r3,.L4malign0 # align to multiples of 4M
st %r3,.Lmemsize # store memory size
.Lmemok:
#
# first write a tape mark
#
bras %r14,.Ltapemark
#
# write real storage to tape
#
slr %r2,%r2 # start at address 0
bras %r14,.Lwriter # load ramdisk
#
# write another tape mark
#
bras %r14,.Ltapemark
#
# everything written, stop processor
#
lpsw .Lstopped
#
# subroutine for writing to tape
# Paramters:
# R1 = device number
# R2 = start address
# R3 = length
.Lwriter:
st %r14,.Lldret
la %r12,.Lorbread # r12 = address of orb
la %r5,.Lirb # r5 = address of irb
st %r2,.Lccwwrite+4 # initialize CCW data addresses
lctl %c6,%c6,.Lcr6
slr %r2,%r2
.Lldlp:
lhi %r6,3 # 3 retries
.Lssch:
ssch 0(%r12) # write chunk of IPL_BS bytes
jnz .Llderr
.Lw4end:
bras %r14,.Lwait4io
tm 8(%r5),0x82 # do we have a problem ?
jnz .Lrecov
l %r0,.Lccwwrite+4 # update CCW data addresses
ahi %r0,IPL_BS
st %r0,.Lccwwrite+4
clr %r0,%r3 # enough ?
jl .Lldlp
.Ldone:
l %r14,.Lldret
br %r14 # r2 contains the total size
.Lrecov:
bras %r14,.Lsense # do the sensing
brct %r6,.Lssch # dec. retry count & branch
j .Llderr
.Ltapemark:
st %r14,.Lldret
la %r12,.Lorbmark # r12 = address of orb
la %r5,.Lirb # r5 = address of irb
lctl %c6,%c6,.Lcr6
ssch 0(%r12) # write a tape mark
jnz .Llderr
bras %r14,.Lwait4io
l %r14,.Lldret
br %r14
#
# Sense subroutine
#
.Lsense:
st %r14,.Lsnsret
la %r7,.Lorbsense
ssch 0(%r7) # start sense command
jnz .Llderr
bras %r14,.Lwait4io
l %r14,.Lsnsret
tm 8(%r5),0x82 # do we have a problem ?
jnz .Llderr
br %r14
#
# Wait for interrupt subroutine
#
.Lwait4io:
lpsw .Lwaitpsw
.Lioint:
c %r1,0xb8 # compare subchannel number
jne .Lwait4io
tsch 0(%r5)
slr %r0,%r0
tm 8(%r5),0x82 # do we have a problem ?
jnz .Lwtexit
tm 8(%r5),0x04 # got device end ?
jz .Lwait4io
.Lwtexit:
br %r14
.Llderr:
lpsw .Lcrash
.align 8
.Lorbread:
.long 0x00000000,0x0080ff00,.Lccwwrite
.align 8
.Lorbsense:
.long 0x00000000,0x0080ff00,.Lccwsense
.align 8
.Lorbmark:
.long 0x00000000,0x0080ff00,.Lccwmark
.align 8
.Lccwwrite:
.long 0x01200000+IPL_BS,0x00000000
.Lccwsense:
.long 0x04200001,0x00000000
.Lccwmark:
.long 0x1f200001,0x00000000
.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
.Lstopped: .long 0x000a0000,0x00001234
.Lpcmem0:.long 0x00080000,0x80000000 + .Lchkmem0
.L4malign0:.long 0xffc00000
.Lmemsize:.long 0
.Lldret:.long 0
.Lsnsret: .long 0
.org IPL_BS
arch/s390/boot/ipleckd.S deleted 100644 → 0
View file @ 13ac1a3c
#
# arch/s390/boot/ipleckd.S
# IPL record for 3380/3390 DASD
#
# S390 version
# Copyright (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation
# Author(s): Holger Smolinski <Holger.Smolinski@de.ibm.com>
#
#
# FIXME: should use the countarea to determine the blocksize
# FIXME: should insert zeroes into memory when filling holes
# FIXME: calculate blkpertrack from rdc data and blksize
# change 09/20/00 removed obsolete store of ipldevice to textesegment
# Usage of registers
# r1: ipl subchannel ( general use, dont overload without save/restore !)
# r10:
# r13: base register index to 0x0000
# r14: callers address
# r15: temporary save register (we have no stack!)
# storage layout:
#include <asm/lowcore.h>
.org 0
.psw: .long 0x00080000,0x80000000+_start
.ccw1: .long 0x06000000,0x00001000 # Re-Read enough of bootsector to start
.ccw2: .long 0x00000000,0x00000000 # read countarea of record 1 to s/w.
.org 0x58
.Lextn: .long 0x000a0000,0x00000000+.Lextn
.Lsvcn: .long 0x000a0000,0x00000000+.Lsvcn
.Lprgn: .long 0x00080000,0x00000000+.Lecs
.Lmcn: .long 0x000a0000,0x00000000+.Lmcn
.Lion: .long 0x00080000,0x80000000+.Lionewaddr
.org 0xe0
.Llstad:.long 0x00000000,0x00000000 # sectorno + ct of bootlist
.org 0xf0 # Lets start now...
_start: .globl _start
l %r1,__LC_SUBCHANNEL_ID # get IPL-subchannel from lowcore
st %r1,__LC_IPLDEV # keep it for reipl
stsch .Lrdcdata
oi .Lrdcdata+5,0x84 # enable ssch and multipath mode
.Lecs: xi .Lrdcdata+27,0x01 # enable concurrent sense
msch .Lrdcdata
xi .Lprgn,6 # restore Wait and d/a bit in PCnew PSW
l %r2,.Lparm
mvc 0x0(8,%r2),.Lnull # set parmarea to null
lctl %c6,%c6,.Lc6 # enable all interrupts
.Lrdc: # read device characteristics
la %r6,.Lrdcccw
st %r6,.Lorb+8 # store cp-address to orb
bras %r15,.Lssch # start I/O
oi .Llodata+1,0x80
lh %r5,.Lcountarea+6 # init r5 from countarea
stcm %r5,3,.Lrdccw+2 # and store into rd template *FIXME*
stcm %r5,3,.Llodata+14 # and store into lodata *FIXME*
.Lbootlist:
l %r2,.Llstad
l %r3,.Lblklst
lhi %r4,1
bras %r14,.Lreadblks
.Lloader:
l %r10,.Lblklst # r10 is index to bootlist
lhi %r5,4 # r5: skip 4 blocks = firstpage....
.Lkloop:
clc .Lnull(8),0(%r10) # test blocklist
jz .Lchkparm # end of list?
l %r2,0(%r10) # get startblock to r2
slr %r4,%r4 # erase r4
icm %r4,1,7(%r10) # get blockcount
slr %r3,%r3 # get address to r3
icm %r3,0xe,4(%r10)
chi %r5,0 # still blocks to skip?
jz .Ldoread # no: start reading
cr %r5,%r4 # #skipblocks >= blockct?
jm .L007 # no: skip the blocks one by one
.L006:
sr %r5,%r4 # decrease number of blocks to skip
j .Lkcont # advance to next entry
.L007:
ahi %r2,1 # skip 1 block...
bctr %r4,0 # update blockct
ah %r3,.Lcountarea+6 # increment address
bct %r5,.L007 # 4 blocks skipped?
.Ldoread:
ltr %r2,%r2 # test startblock
jz .Lzeroes # startblocks is zero (hole)
.Ldiskread:
bras %r14,.Lreadblks
j .Lkcont
.Lzeroes:
lr %r2,%r3
.L001: slr %r3,%r3
icm %r3,3,.Lcountarea+6 # get blocksize
slr %r5,%r5 # no bytes to move
.L008: mvcle %r2,%r4,0 # fill zeroes to storage
jo .L008 # until block is filled
brct %r4,.L001 # skip to next block
.Lkcont:
ahi %r10,8
j .Lkloop
.Lchkparm:
lm %r3,%r4,.Lstart # load .Lstart and .Lparm
clc 0x0(4,%r4),.Lnull
je .Lrunkern
mvc 0x480(128,%r3),0(%r4) # move 1k-0x80 to parmarea
mvc 0x500(256,%r3),0x80(%r4)
mvc 0x600(256,%r3),0x180(%r4)
mvc 0x700(256,%r3),0x280(%r4)
.Lrunkern:
# lhi %r2,17
# sll %r2,12
# st %r1,0xc6c(%r2) # store iplsubchannel to lowcore
# st %r1,0xc6c # store iplsubchannel to lowcore
br %r3
# This function does the start IO
# r2: number of first block to read ( input by caller )
# r3: address to read data to ( input by caller )
# r4: number of blocks to read ( input by caller )
# r5: destroyed
# r6: blocks per track ( input by caller )
# r7: number of heads
# r8:
# r9:
# r10:
# r11: temporary register
# r12: local use for base address
# r13: base address for module
# r14: address of caller for subroutine
# r15: temporary save register (since we have no stack)
.Lreadblks:
la %r12,.Ldeccw
st %r12,8+.Lorb # store cpaddr to orb
ahi %r12,0x10 # increment r12 to point to rdccw
oi 1(%r12),0x40 # set CC in rd template
# first setup the read CCWs
lr %r15,%r4 # save number or blocks
slr %r7,%r7
icm %r7,3,.Lrdcdata+14 # load heads to r7
lhi %r6,9
clc .Lrdcdata+3(2),.L9345
je .L011
lhi %r6,10
clc .Lrdcdata+3(2),.L3380
je .L011
lhi %r6,12
clc .Lrdcdata+3(2),.L3390
je .L011
bras %r14,.Ldisab
.L011:
# loop for nbl times
.Lrdloop:
mvc 0(8,%r12),.Lrdccw # copy template to this ccw
st %r3,4(%r12) # store target address to this ccw
bct %r4,.L005 # decrement no of blks still to do
ni 1(%r12),0x3f # delete CC from last ccw
lr %r4,%r15 # restore number of blocks
# read CCWs are setup now
stcm %r4,3,.Llodata+2 # store blockno to lodata clears r4
ar %r4,%r2 # r4 (clear): ebl = blk + nbl
bctr %r4,0 # decrement r4 ( last blk touched
srda %r2,32 # trk = blk / bpt, bot = blk % bpt
dr %r2,%r6 # r3: trk, r2: bot
ahi %r2,1 # bot++ ( we start counting at 1 )
stcm %r2,1,.Llodata+12 # store bot to lodata
xr %r2,%r2 # cy = trk / heads, hd = trk % heads
dr %r2,%r7 # r3: cy, r2: hd
sll %r3,16 # combine to CCHH in r3
or %r3,%r2
st %r3,.Ldedata+8 # store cchh to dedata
st %r3,.Llodata+4 # store cchh to lodata
st %r3,.Llodata+8 # store cchh to lodata
lr %r15,%r5 # save r5
srda %r4,32 # tr2 = ebl / bpt
dr %r4,%r6 # r5: tr2, r4: bot2
xr %r4,%r4 # cy2 = tr2 / heads, hd2 = hd2 % heads
dr %r4,%r7 # r5: cy2, r4: hd2
stcm %r5,3,.Ldedata+12 # store cy2,hd2 to dedata
stcm %r4,3,.Ldedata+14 # store cy2,hd2 to dedata
lr %r5,%r15 # restore r5
# CCWs are setup now, arent they?
bras %r15,.Lssch # start I/O
br %r14 # return to caller
.L005:
ah %r3,.Lcountarea+6 # add blocksize to target address
ahi %r12,8 # add sizeof(ccw) to base address
j .Lrdloop
# end of function
# This function does the start IO
# r1: Subchannel number
# r8: ORB address
# r9: IRB address
.Lssch:
lhi %r13,10 # initialize retries
.L012:
ssch .Lorb # start I/O
jz .Ltpi # ok?
bras %r14,.Ldisab # error
.Ltpi:
lpsw .Lwaitpsw # load wait-PSW
.Lionewaddr:
c %r1,0xb8 # compare to ipl subhchannel
jnz .Ltpi # not equal: loop
clc 0xbc(4),.Lorb # cross check the intparm
jnz .Ltpi # not equal: loop
tsch .Lirb # get status
tm .Lirb+9,0xff # channel status ?
jz .L003 # CS == 0x00
bras %r14,.Ldisab # error
.L003:
tm .Lirb+8,0xf3 # DS different from CE/DE
jz .L004 # ok ?
bct %r13,.L012 # retries <= 5 ?
bras %r14,.Ldisab # error
.L004:
tm .Lirb+8,0x04 # DE set?
jz .Ltpi # DE not set, loop
.Lsschend:
br %r15 # return to caller
# end of function
# In case of error goto disabled wait with %r14 containing the caller
.Ldisab:
st %r14,.Ldisabpsw+4
lpsw .Ldisabpsw
# FIXME pre-initialized data should be listed first
# NULLed storage can be taken from anywhere ;)
.Lblklst:
.long 0x00002000
.align 8
.Ldisabpsw:
.long 0x000a0000,0x00000000
.Lwaitpsw:
.long 0x020a0000,0x00000000+.Ltpi
.Lorb:
.long 0x0049504c,0x0080ff00 # intparm is " IPL"
.Lc6: .long 0xff000000
.Lstart:
.long 0x00010000 # do not separate .Lstart and .Lparm
.Lparm:
.long 0x00008000 # they are loaded with a LM
.L3390:
.word 0x3390
.L9345:
.word 0x9345
.L3380:
.word 0x3380
.Lnull:
.long 0x00000000,0x00000000
.align 4
.Lrdcdata:
.long 0x00000000,0x00000000
.long 0x00000000,0x00000000
.long 0x00000000,0x00000000
.long 0x00000000,0x00000000
.long 0x00000000,0x00000000
.long 0x00000000,0x00000000
.long 0x00000000,0x00000000
.long 0x00000000,0x00000000
.Lirb:
.long 0x00000000,0x00000000
.long 0x00000000,0x00000000
.long 0x00000000,0x00000000
.long 0x00000000,0x00000000
.long 0x00000000,0x00000000
.long 0x00000000,0x00000000
.long 0x00000000,0x00000000
.long 0x00000000,0x00000000
.Lcountarea:
.word 0x0000 # cyl;
.word 0x0000 # head;
.byte 0x00 # record;
.byte 0x00 # key length;
.word 0x0000 # data length == blocksize;
.Ldedata:
.long 0x40c00000,0x00000000
.long 0x00000000,0x00000000
.Llodata:
.long 0x06000001,0x00000000
.long 0x00000000,0x01000000
.long 0x12345678
.org 0x7c8
.Lrdcccw: # CCW read device characteristics
.long 0x64400040,0x00000000+.Lrdcdata
.long 0x63400010,0x00000000+.Ldedata
.long 0x47400010,0x00000000+.Llodata
.long 0x12000008,0x00000000+.Lcountarea
.Ldeccw:
.long 0x63400010,0x00000000+.Ldedata
.Lloccw:
.long 0x47400010,0x00000000+.Llodata
.Lrdccw:
.long 0x86400000,0x00000000
.org 0x800
# end of pre initialized data is here CCWarea follows
# from here we load 1k blocklist
# end of function
arch/s390/boot/iplfba.S deleted 100644 → 0
View file @ 13ac1a3c
#
# Ipl block for fba devices
# Copyright (C) 1998 IBM Corporation
# Author(s): Martin Schwidefsky
#
# startup for ipl at address 0
# start with restart
# The first 24 byes are loaded by ipl to addresses 0-23 (a PSW and two CCWs).
# The CCWs on 8-23 are used as a continuation of the implicit ipl channel
# program. The fba ipl loader only uses the CCW on 8-15 to load the first 512
# byte block to location 0-511 (the reading starts again at block 0, byte 0).
# The second CCW is used to store the location of the load list.
.org 0
.long 0x00080000,0x80000000+_start # The first 24 byte are loaded
.long 0x02000000,0x20000200 # by ipl to addresses 0-23.
.long 0x00000001,0x00000001 # (PSW, one CCW & loadlist info).
.globl _start
_start:
basr %r13,0
.LPG0:
l %r1,0xb8 # load ipl subchannel number
lhi %r2,0x200 # location for the loadlist
lm %r3,%r4,0x10 # blocknr and length of loadlist
bras %r14,.Lloader # load loadlist
lhi %r11,0x400
lhi %r12,0x200 # load address of loadlist
l %r3,0(%r12) # get first block number
l %r4,4(%r12) # get first block count
la %r12,8(%r12)
j .Llistloop
.org 0x50
.Llistloop:
lr %r2,%r11 # load address
lr %r5,%r4 # block count
mhi %r5,512
la %r11,0(%r5,%r11) # update load address
bras %r14,.Lloader # load chunk of the image
l %r3,0(%r12) # get next block number
icm %r4,15,4(%r12) # get next block count
la %r12,8(%r12)
jnz .Llistloop
#
# everything loaded, go for it
#
l %r1,.Lstart-.LPG0(%r13)
br %r1
#
# subroutine for loading a sequence of block from fba
# %r2: load address (24 bit address)
# %r3: number of first block (unsigned long)
# %r4: number of blocks to load (unsigned short)
#
.org 0xC0
.Lloader:
la %r5,.Llo-.LPG0(%r13)
sth %r4,2(%r5) # initialize block count
st %r3,4(%r5) # initialize block number
la %r5,.Lccws-.LPG0(%r13)
mhi %r4,512
sth %r4,22(%r5) # initialize byte count
icm %r2,8,16(%r5)
st %r2,16(%r5) # initialize CCW data address
slr %r2,%r2
la %r3,.Lorb-.LPG0(%r13) # r2 = address of orb into r2
la %r4,.Ltinfo-.LPG0(%r13) # r3 = address of tpi info block
la %r5,.Lirb-.LPG0(%r13) # r4 = address of irb
lctl %c6,%c6,.Lc6-.LPG0(%r13)
.Lldlp:
ssch 0(%r3) # read blocks
.Ltpi:
tpi 0(%r4) # test pending interrupt
jz .Ltpi
c %r1,0(%r4) # compare subchannel number
jne .Ltpi
tsch 0(%r5)
slr %r0,%r0
tm 8(%r5),0x82 # do we have a problem ?
jnz .Ldwpsw
tm 8(%r5),0x04 # got device end ?
jz .Ltpi
.Lexit:
br %r14
.align 8
.Ldwpsw:.long 0x000a0000,0x00000000
.Lorb: .long 0x00000000,0x0000ff00,.Lccws
.Ltinfo:.long 0
.Lirb: .long 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
.Lc6: .long 0xff000000
.Lloadp:.long 0,0
.Lparm: .long 0x10400
.Lstart:.long 0x10000
.align 8
.Lccws: .long 0x63000000+.Lde,0x60000010 # define extent
.long 0x43000000+.Llo,0x60000008 # locate
# offset 1 in read CCW: data address (24 bit)
# offset 6 in read CCW: number of bytes (16 bit)
.long 0x42000000,0x20000000 # read
.Lde: .long 0x40000200,0x00000000
.long 0x00000000,0x00001000
# offset 2 in .Llo: block count (unsigned short)
# offset 4 in .Llo: block number (unsigned long)
.Llo: .long 0x06000000,0x00000000
.org 0x200
.long 0x00000002,0x0000007f
.long 0x00000081,0x0000007f
.long 0x00000100,0x0000007f
.long 0x0000017f,0x0000007f
.long 0x000001fe,0x0000007f
.long 0x0000027d,0x0000007f
.long 0x000002fc,0x0000007f
.long 0x0000037b,0x0000007f
.long 0x000003fa,0x0000007f
.long 0x00000479,0x0000007f
.long 0x000004f8,0x0000007f
.long 0x00000577,0x0000007f
.long 0x000005f6,0x0000007f
.long 0x00000675,0x0000007f
.long 0x000006f4,0x0000007f
.long 0x00000773,0x0000003f
.long 0x00000000,0x00000000
.org 0x400
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7