diff options
| author | Michael Shalayeff <mickey@cvs.openbsd.org> | 2003-08-03 19:03:51 +0000 |
|---|---|---|
| committer | Michael Shalayeff <mickey@cvs.openbsd.org> | 2003-08-03 19:03:51 +0000 |
| commit | 998728a553fddc93a573c38d39ab8d5bfd45d762 (patch) | |
| tree | 26b4a4095ccd75b1326b44d9f5bfe711be72aa28 /sys/arch/hppa/gsc | |
| parent | 8dcd57dfe3427b4ff405323e3dc35eae7e7b6b6d (diff) | |
prefer fdc to fdce for cache flushing here
Diffstat (limited to 'sys/arch/hppa/gsc')
| -rw-r--r-- | sys/arch/hppa/gsc/if_ie_gsc.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/sys/arch/hppa/gsc/if_ie_gsc.c b/sys/arch/hppa/gsc/if_ie_gsc.c index 2e18013bbda..fff62616988 100644 --- a/sys/arch/hppa/gsc/if_ie_gsc.c +++ b/sys/arch/hppa/gsc/if_ie_gsc.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_ie_gsc.c,v 1.18 2003/05/21 02:14:18 mickey Exp $ */ +/* $OpenBSD: if_ie_gsc.c,v 1.19 2003/08/03 19:03:50 mickey Exp $ */ /* * Copyright (c) 1998,1999 Michael Shalayeff @@ -226,8 +226,10 @@ ie_gsc_read16(sc, offset) struct ie_softc *sc; int offset; { - fdce(0, sc->bh + offset); - return *(volatile u_int16_t *)(sc->bh + offset); + u_int16_t *addr = (volatile u_int16_t *)(sc->bh + offset); + + asm __volatile ("fdc 0(sr0, %0)" :: "r" (addr)); + return *addr; } void @@ -236,8 +238,10 @@ ie_gsc_write16(sc, offset, v) int offset; u_int16_t v; { - *(volatile u_int16_t *)(sc->bh + offset) = v; - fdce(0, sc->bh + offset); + u_int16_t *addr = (volatile u_int16_t *)(sc->bh + offset); + + *addr = v; + asm __volatile ("fdc 0(sr0, %0)" :: "r" (addr)); } void @@ -246,10 +250,12 @@ ie_gsc_write24(sc, offset, addr) int offset; int addr; { - *(volatile u_int16_t *)(sc->bh + offset + 0) = (addr ) & 0xffff; - *(volatile u_int16_t *)(sc->bh + offset + 2) = (addr >> 16) & 0xffff; - fdce(0, sc->bh + offset + 0); - fdce(0, sc->bh + offset + 2); + u_int16_t *addr = (volatile u_int16_t *)(sc->bh + offset); + + addr[0] = (addr ) & 0xffff; + addr[1] = (addr >> 16) & 0xffff; + asm __volatile ("fdc 0(sr0, %0)" :: "r" (addr+0)); + asm __volatile ("fdc 0(sr0, %0)" :: "r" (addr+1)); } void |