diff options
| author | Peter Hessler <phessler@cvs.openbsd.org> | 2009-06-01 20:46:51 +0000 |
|---|---|---|
| committer | Peter Hessler <phessler@cvs.openbsd.org> | 2009-06-01 20:46:51 +0000 |
| commit | 8648b27664592bcafda72648c990f943c0674ee5 (patch) | |
| tree | 2e7327e2f5c1c24d5dac482ae34303ba5de85890 /sys | |
| parent | 2509e171fef14435ee7b27ae92ed9ca56c5ff1b7 (diff) | |
Fix the order of checking if a machine has MTRR. We need to check
against the vendor string, then cpu family, then if the cpu claims to
have it.
requested by toby@
Also match against Via's cpu string to enable MTRR on matthieu@'s VIA Nano
compile tested on i386 by wcmaier@
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/amd64/amd64/mtrr.c | 13 | ||||
| -rw-r--r-- | sys/arch/i386/i386/mtrr.c | 11 |
2 files changed, 13 insertions, 11 deletions
diff --git a/sys/arch/amd64/amd64/mtrr.c b/sys/arch/amd64/amd64/mtrr.c index 32048871538..ed6907843d1 100644 --- a/sys/arch/amd64/amd64/mtrr.c +++ b/sys/arch/amd64/amd64/mtrr.c @@ -1,4 +1,4 @@ -/* $OpenBSD: mtrr.c,v 1.1 2008/06/11 09:22:38 phessler Exp $ */ +/* $OpenBSD: mtrr.c,v 1.2 2009/06/01 20:46:50 phessler Exp $ */ /*- * Copyright (c) 1999 Michael Smith <msmith@freebsd.org> * Copyright (c) 1999 Brian Fundakowski Feldman @@ -50,13 +50,14 @@ mtrrattach(int num) step = (cpu_id >> 0) & 0xf; /* Try for i686 MTRRs */ - if ((cpu_feature & CPUID_MTRR) && - (family == 0x6 || family == 0xf) && - ((strcmp(cpu_vendor, "GenuineIntel") == 0) || - (strcmp(cpu_vendor, "AuthenticAMD") == 0))) { + if (((strcmp(cpu_vendor, "GenuineIntel") == 0) || + (strcmp(cpu_vendor, "CentaurHauls") == 0) || + (strcmp(cpu_vendor, "AuthenticAMD") == 0)) && + (family == 0x6 || family == 0xf) && + cpu_feature & CPUID_MTRR) { mem_range_softc.mr_op = &amd64_mrops; - } + /* Initialise memory range handling */ if (mem_range_softc.mr_op != NULL) mem_range_softc.mr_op->init(&mem_range_softc); diff --git a/sys/arch/i386/i386/mtrr.c b/sys/arch/i386/i386/mtrr.c index 04ee89e9f1e..c5358a0970b 100644 --- a/sys/arch/i386/i386/mtrr.c +++ b/sys/arch/i386/i386/mtrr.c @@ -1,4 +1,4 @@ -/* $OpenBSD: mtrr.c,v 1.10 2007/05/02 18:52:17 matthieu Exp $ */ +/* $OpenBSD: mtrr.c,v 1.11 2009/06/01 20:46:50 phessler Exp $ */ /*- * Copyright (c) 1999 Michael Smith <msmith@freebsd.org> * Copyright (c) 1999 Brian Fundakowski Feldman @@ -58,10 +58,11 @@ mtrrattach(int num) mem_range_softc.mr_op = &k6_mrops; /* Try for i686 MTRRs */ - } else if ((cpu_feature & CPUID_MTRR) && - (family == 0x6 || family == 0xf) && - ((strcmp(cpu_vendor, "GenuineIntel") == 0) || - (strcmp(cpu_vendor, "AuthenticAMD") == 0))) { + } else if (((strcmp(cpu_vendor, "GenuineIntel") == 0) || + (strcmp(cpu_vendor, "CentaurHauls") == 0) || + (strcmp(cpu_vendor, "AuthenticAMD") == 0)) && + (family == 0x6 || family == 0xf) && + (cpu_feature & CPUID_MTRR)) { mem_range_softc.mr_op = &i686_mrops; } |