mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-23 17:30:02 +00:00
s390/head: replace hard coded values with constants
A couple of the low core offsets are repeatedly used throughout head.S and are hard coded. Replace them with corresponding constants from asm-offsets.h to improve readability. Signed-off-by: Vasily Gorbik <gor@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
parent
87b970f453
commit
34ba2450ab
1 changed files with 5 additions and 5 deletions
|
@ -66,7 +66,7 @@ __HEAD
|
|||
# subroutine to wait for end I/O
|
||||
#
|
||||
.Lirqwait:
|
||||
mvc 0x1f0(16),.Lnewpsw # set up IO interrupt psw
|
||||
mvc __LC_IO_NEW_PSW(16),.Lnewpsw # set up IO interrupt psw
|
||||
lpsw .Lwaitpsw
|
||||
.Lioint:
|
||||
br %r14
|
||||
|
@ -98,7 +98,7 @@ __HEAD
|
|||
bnz .Llderr
|
||||
.Lwait4irq:
|
||||
bas %r14,.Lirqwait
|
||||
c %r1,0xb8 # compare subchannel number
|
||||
c %r1,__LC_SUBCHANNEL_ID # compare subchannel number
|
||||
bne .Lwait4irq
|
||||
tsch 0(%r5)
|
||||
|
||||
|
@ -156,9 +156,9 @@ iplstart:
|
|||
.fill 16,4,0x0
|
||||
0: lmh %r0,%r15,0(%r13) # clear high-order half of gprs
|
||||
sam31 # switch to 31 bit addressing mode
|
||||
lh %r1,0xb8 # test if subchannel number
|
||||
lh %r1,__LC_SUBCHANNEL_ID # test if subchannel number
|
||||
bct %r1,.Lnoload # is valid
|
||||
l %r1,0xb8 # load ipl subchannel number
|
||||
l %r1,__LC_SUBCHANNEL_ID # load ipl subchannel number
|
||||
la %r2,IPL_BS # load start address
|
||||
bas %r14,.Lloader # load rest of ipl image
|
||||
l %r12,.Lparm # pointer to parameter area
|
||||
|
@ -239,7 +239,7 @@ iplstart:
|
|||
bz .Lnoreset
|
||||
.Lwaitforirq:
|
||||
bas %r14,.Lirqwait # wait for IO interrupt
|
||||
c %r1,0xb8 # compare subchannel number
|
||||
c %r1,__LC_SUBCHANNEL_ID # compare subchannel number
|
||||
bne .Lwaitforirq
|
||||
la %r5,.Lirb
|
||||
tsch 0(%r5)
|
||||
|
|
Loading…
Reference in a new issue