From b94bcca28342e676126431917f7c1e8d3f6b8b18 Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Tue, 22 Jun 2021 14:43:07 +0200 Subject: s390/ioasm: get rid of register asm Acked-by: Peter Oberparleiter Signed-off-by: Heiko Carstens Signed-off-by: Vasily Gorbik --- drivers/s390/cio/ioasm.c | 113 +++++++++++++++++++++++++---------------------- 1 file changed, 60 insertions(+), 53 deletions(-) (limited to 'drivers/s390/cio/ioasm.c') diff --git a/drivers/s390/cio/ioasm.c b/drivers/s390/cio/ioasm.c index 4c5244d6052b..1c2866c66f0d 100644 --- a/drivers/s390/cio/ioasm.c +++ b/drivers/s390/cio/ioasm.c @@ -16,18 +16,19 @@ static inline int __stsch(struct subchannel_id schid, struct schib *addr) { - register struct subchannel_id reg1 asm ("1") = schid; + unsigned long r1 = *(unsigned int *)&schid; int ccode = -EIO; asm volatile( - " stsch 0(%3)\n" - "0: ipm %0\n" - " srl %0,28\n" + " lgr 1,%[r1]\n" + " stsch %[addr]\n" + "0: ipm %[cc]\n" + " srl %[cc],28\n" "1:\n" EX_TABLE(0b, 1b) - : "+d" (ccode), "=m" (*addr) - : "d" (reg1), "a" (addr) - : "cc"); + : [cc] "+&d" (ccode), [addr] "=Q" (*addr) + : [r1] "d" (r1) + : "cc", "1"); return ccode; } @@ -44,18 +45,19 @@ EXPORT_SYMBOL(stsch); static inline int __msch(struct subchannel_id schid, struct schib *addr) { - register struct subchannel_id reg1 asm ("1") = schid; + unsigned long r1 = *(unsigned int *)&schid; int ccode = -EIO; asm volatile( - " msch 0(%2)\n" - "0: ipm %0\n" - " srl %0,28\n" + " lgr 1,%[r1]\n" + " msch %[addr]\n" + "0: ipm %[cc]\n" + " srl %[cc],28\n" "1:\n" EX_TABLE(0b, 1b) - : "+d" (ccode) - : "d" (reg1), "a" (addr), "m" (*addr) - : "cc"); + : [cc] "+&d" (ccode) + : [r1] "d" (r1), [addr] "Q" (*addr) + : "cc", "1"); return ccode; } @@ -71,16 +73,17 @@ int msch(struct subchannel_id schid, struct schib *addr) static inline int __tsch(struct subchannel_id schid, struct irb *addr) { - register struct subchannel_id reg1 asm ("1") = schid; + unsigned long r1 = *(unsigned int *)&schid; int ccode; asm volatile( - " tsch 0(%3)\n" - " ipm %0\n" - " srl %0,28" - : "=d" (ccode), "=m" (*addr) - : "d" (reg1), "a" (addr) - : "cc"); + " lgr 1,%[r1]\n" + " tsch %[addr]\n" + " ipm %[cc]\n" + " srl %[cc],28" + : [cc] "=&d" (ccode), [addr] "=Q" (*addr) + : [r1] "d" (r1) + : "cc", "1"); return ccode; } @@ -96,18 +99,19 @@ int tsch(struct subchannel_id schid, struct irb *addr) static inline int __ssch(struct subchannel_id schid, union orb *addr) { - register struct subchannel_id reg1 asm("1") = schid; + unsigned long r1 = *(unsigned int *)&schid; int ccode = -EIO; asm volatile( - " ssch 0(%2)\n" - "0: ipm %0\n" - " srl %0,28\n" + " lgr 1,%[r1]\n" + " ssch %[addr]\n" + "0: ipm %[cc]\n" + " srl %[cc],28\n" "1:\n" EX_TABLE(0b, 1b) - : "+d" (ccode) - : "d" (reg1), "a" (addr), "m" (*addr) - : "cc", "memory"); + : [cc] "+&d" (ccode) + : [r1] "d" (r1), [addr] "Q" (*addr) + : "cc", "memory", "1"); return ccode; } @@ -124,16 +128,17 @@ EXPORT_SYMBOL(ssch); static inline int __csch(struct subchannel_id schid) { - register struct subchannel_id reg1 asm("1") = schid; + unsigned long r1 = *(unsigned int *)&schid; int ccode; asm volatile( + " lgr 1,%[r1]\n" " csch\n" - " ipm %0\n" - " srl %0,28" - : "=d" (ccode) - : "d" (reg1) - : "cc"); + " ipm %[cc]\n" + " srl %[cc],28\n" + : [cc] "=&d" (ccode) + : [r1] "d" (r1) + : "cc", "1"); return ccode; } @@ -186,17 +191,17 @@ EXPORT_SYMBOL(chsc); static inline int __rsch(struct subchannel_id schid) { - register struct subchannel_id reg1 asm("1") = schid; + unsigned long r1 = *(unsigned int *)&schid; int ccode; asm volatile( + " lgr 1,%[r1]\n" " rsch\n" - " ipm %0\n" - " srl %0,28" - : "=d" (ccode) - : "d" (reg1) - : "cc", "memory"); - + " ipm %[cc]\n" + " srl %[cc],28\n" + : [cc] "=&d" (ccode) + : [r1] "d" (r1) + : "cc", "memory", "1"); return ccode; } @@ -212,16 +217,17 @@ int rsch(struct subchannel_id schid) static inline int __hsch(struct subchannel_id schid) { - register struct subchannel_id reg1 asm("1") = schid; + unsigned long r1 = *(unsigned int *)&schid; int ccode; asm volatile( + " lgr 1,%[r1]\n" " hsch\n" - " ipm %0\n" - " srl %0,28" - : "=d" (ccode) - : "d" (reg1) - : "cc"); + " ipm %[cc]\n" + " srl %[cc],28\n" + : [cc] "=&d" (ccode) + : [r1] "d" (r1) + : "cc", "1"); return ccode; } @@ -238,16 +244,17 @@ EXPORT_SYMBOL(hsch); static inline int __xsch(struct subchannel_id schid) { - register struct subchannel_id reg1 asm("1") = schid; + unsigned long r1 = *(unsigned int *)&schid; int ccode; asm volatile( + " lgr 1,%[r1]\n" " xsch\n" - " ipm %0\n" - " srl %0,28" - : "=d" (ccode) - : "d" (reg1) - : "cc"); + " ipm %[cc]\n" + " srl %[cc],28\n" + : [cc] "=&d" (ccode) + : [r1] "d" (r1) + : "cc", "1"); return ccode; } -- cgit v1.2.3-59-g8ed1b