diff options
| author | Miod Vallat <miod@cvs.openbsd.org> | 2012-04-09 16:54:41 +0000 |
|---|---|---|
| committer | Miod Vallat <miod@cvs.openbsd.org> | 2012-04-09 16:54:41 +0000 |
| commit | 92c83f480df669d773e23164b46812f34d2b715a (patch) | |
| tree | 5fc7efb79124e3163dac398f7ba888fa4c69de0c /sys/arch/sgi | |
| parent | 6b14259b6e5a76ba05e03964de657b5da1c73cba (diff) | |
More errata bandaid for the R4000SC is necessary in the tlb handlers.
Diffstat (limited to 'sys/arch/sgi')
| -rw-r--r-- | sys/arch/sgi/sgi/machdep.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/sys/arch/sgi/sgi/machdep.c b/sys/arch/sgi/sgi/machdep.c index 4e29f8f0a7a..d4fa84805cd 100644 --- a/sys/arch/sgi/sgi/machdep.c +++ b/sys/arch/sgi/sgi/machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: machdep.c,v 1.117 2012/04/06 18:24:29 miod Exp $ */ +/* $OpenBSD: machdep.c,v 1.118 2012/04/09 16:54:40 miod Exp $ */ /* * Copyright (c) 2003-2004 Opsycon AB (www.opsycon.se / www.opsycon.com) @@ -536,7 +536,15 @@ mips_init(int argc, void *argv, caddr_t boot_esym) case MIPS_R4000: { extern void xtlb_miss_err_r4k; - xtlb_handler = (vaddr_t)&xtlb_miss_err_r4k; + extern void xtlb_miss_err_r4000SC; + + if (curcpu()->ci_l2size == 0 || + ((cp0_get_prid() >> 4) & 0x0f) >= 4) /* R4400 */ + xtlb_handler = (vaddr_t)&xtlb_miss_err_r4k; + else { + xtlb_handler = (vaddr_t)&xtlb_miss_err_r4000SC; + xtlb_handler |= CKSEG1_BASE; + } } break; #endif @@ -828,6 +836,11 @@ arcbios_halt(int howto) #endif if (howto & RB_HALT) { +#ifdef TGT_INDIGO + /* Indigo does not support powerdown */ + if (sys_config.system_type == SGI_IP20) + howto &= ~RB_POWERDOWN; +#endif if (howto & RB_POWERDOWN) { #ifdef TGT_INDY /* |