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| author |   Heiko Carstens <hca@linux.ibm.com> | 2021-06-17 11:32:53 +0200 |
|---|---|---|
| committer |   Vasily Gorbik <gor@linux.ibm.com> | 2021-06-28 11:18:28 +0200 |
| commit | fcc91d5d40475a5d0ea8f6b63f6fe8a693fc2142 (patch) | |
| tree | 5d62fbcee614df791972db8d05dd23f34d626352 /arch/s390/include/asm/timex.h | |
| parent | s390/hypfs: use register pair instead of register asm (diff) | |
| download | linux-dev-fcc91d5d40475a5d0ea8f6b63f6fe8a693fc2142.tar.xz linux-dev-fcc91d5d40475a5d0ea8f6b63f6fe8a693fc2142.zip | |
s390/timex: get rid of register asm
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/timex.h')
| -rw-r--r-- | arch/s390/include/asm/timex.h | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h index f6326c6d2abe..50d9b04ecbd1 100644 --- a/arch/s390/include/asm/timex.h +++ b/arch/s390/include/asm/timex.h @@ -75,9 +75,12 @@ static inline void set_clock_comparator(__u64 time) static inline void set_tod_programmable_field(u16 val) { - register unsigned long reg0 asm("0") = val; - - asm volatile("sckpf" : : "d" (reg0)); + asm volatile( + " lgr 0,%[val]\n" + " sckpf\n" + : + : [val] "d" ((unsigned long)val) + : "0"); } void clock_comparator_work(void); @@ -138,16 +141,19 @@ struct ptff_qui { #define ptff(ptff_block, len, func) \ ({ \ struct addrtype { char _[len]; }; \ - register unsigned int reg0 asm("0") = func; \ - register unsigned long reg1 asm("1") = (unsigned long) (ptff_block);\ + unsigned int reg0 = func; \ + unsigned long reg1 = (unsigned long)(ptff_block); \ int rc; \ \ asm volatile( \ - " .word 0x0104\n" \ - " ipm %0\n" \ - " srl %0,28\n" \ - : "=d" (rc), "+m" (*(struct addrtype *) reg1) \ - : "d" (reg0), "d" (reg1) : "cc"); \ + " lgr 0,%[reg0]\n" \ + " lgr 1,%[reg1]\n" \ + " .insn e,0x0104\n" \ + " ipm %[rc]\n" \ + " srl %[rc],28\n" \ + : [rc] "=&d" (rc), "+m" (*(struct addrtype *)reg1) \ + : [reg0] "d" (reg0), [reg1] "d" (reg1) \ + : "cc", "0", "1"); \ rc; \ }) |