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| author | Vasily Gorbik <gor@linux.vnet.ibm.com> | 2018-01-10 13:07:31 +0300 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2018-01-23 09:36:46 +0300 |
| commit | 34ba2450abe3b0a90aa91884531b6cdca6e0da92 (patch) | |
| tree | 218b4b21db428546d598966f4628c7476a4b034c /arch/s390/kernel | |
| parent | 87b970f453d07896c6a94146e5c6769323d06c7b (diff) | |
| download | linux-34ba2450abe3b0a90aa91884531b6cdca6e0da92.tar.xz | |
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>
Diffstat (limited to 'arch/s390/kernel')
| -rw-r--r-- | arch/s390/kernel/head.S | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S index b86fa3ee4927..5c42f16a54c4 100644 --- a/arch/s390/kernel/head.S +++ b/arch/s390/kernel/head.S @@ -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) |