Date: Wed, 20 Aug 2014 11:27:00 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: sparc64@freebsd.org Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r270201 - in head/sys: powerpc/include sys Message-ID: <20140820082700.GY2737@kib.kiev.ua> In-Reply-To: <201408200802.s7K82cJ6059609@svn.freebsd.org> References: <201408200802.s7K82cJ6059609@svn.freebsd.org>
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--JViz224v3YRbOSfM Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Aug 20, 2014 at 08:02:38AM +0000, Konstantin Belousov wrote: > Author: kib > Date: Wed Aug 20 08:02:38 2014 > New Revision: 270201 > URL: http://svnweb.freebsd.org/changeset/base/270201 >=20 > Log: > Add arch-specific macro SFBUF_PHYS_DMAP(), which should translate the > physical address of the page to direct map address, in case > SFBUF_OPTIONAL_DIRECT_MAP returns true. The case of PowerPC AIM > 64bit, where the page physical address is identical to the direct map > address, is accidental. Real use of this interposer is for sparc64 machines which can use direct map due to usable cache implementation. Could someone with the machine identified as SPARC64V test the following patch ? Just booting multiuser should be enough. diff --git a/sys/sparc64/include/vmparam.h b/sys/sparc64/include/vmparam.h index 8e7d76c..c2f30c3 100644 --- a/sys/sparc64/include/vmparam.h +++ b/sys/sparc64/include/vmparam.h @@ -241,5 +241,8 @@ extern vm_offset_t vm_max_kernel_address; =20 #define SFBUF #define SFBUF_MAP +#define SFBUF_OPTIONAL_DIRECT_MAP dcache_color_ignore +#include <machine/tlb.h> +#define SFBUF_PHYS_DMAP(x) TLB_PHYS_TO_DIRECT(x) =20 #endif /* !_MACHINE_VMPARAM_H_ */ --JViz224v3YRbOSfM Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBAgAGBQJT9FvUAAoJEJDCuSvBvK1BaJgP/1WPrITGayGgyrWUCQWI9buj HT8IbGzSrBs33EANdcxm68GKHU+0s8iEkd+SrlUTJvaqPc1oFiguZ3X/He/i0tBQ ShjYxW6lTQfeKR2Q1ueY7nN3pOXe5oSwOWkasSYkijHvTldswZzLiasuDghNMWff z+kOwzWK3lTyP4BDUv8YNxiqN5t575XG6eVTHpFQrrJIWwz+HToGwrzL3MVAraJK Vbod7N3q9Ek/Q0m4naNAq3EoB3l412uz11+BCbJW2wgWk6oVjAPHLc3p/eUVafdX xd9V7xaiTGpLFpdkIAjI8cOajoihBwwTa6XESzeCjiMSpda8ONJjTbS6+lwlzDt8 xfwCQf6/htRcfZFtGeRcibSz5cuchAjFWOQyfc0trVW1Bw+fpwgAlXlBkp2Gv7dy l6HUJJJiDq/njy6MI8HXC4L8LPkSmy3NmI4Z9vuMUMP+vKsm7BaXSFqMLoLlCR+5 vqhKCf5p7n2PTQ4ugbwxv/Rz94jk/FRImbxCNFF8gHG2Q8QCXFQqm72xfg3/MWOL FSUt++27ypy0IMb54ZsgDNkBn0p/XpNYvsdXbSNSnpNfyUX4FvIB2OBycLHlbMrr xIpZT48ui/Z8UMA1tSruooKNI3Y+QWuaByrEtuSpYeAd/y5da2fLmqEi8PtZ1OHp 8SJ+Vcy4hwOba2pskA1b =OODx -----END PGP SIGNATURE----- --JViz224v3YRbOSfM--
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