Date: Wed, 20 Feb 2019 09:46:45 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r344352 - in head/sys/amd64: amd64 include Message-ID: <201902200946.x1K9kjNV099740@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: kib Date: Wed Feb 20 09:46:44 2019 New Revision: 344352 URL: https://svnweb.freebsd.org/changeset/base/344352 Log: amd64: add defines and decode protection keys and SGX page faults reasons. Reviewed by: markj Tested by: pho Sponsored by: The FreeBSD Foundation MFC after: 2 weeks Differential revision: https://reviews.freebsd.org/D18893 Modified: head/sys/amd64/amd64/trap.c head/sys/amd64/include/pmap.h Modified: head/sys/amd64/amd64/trap.c ============================================================================== --- head/sys/amd64/amd64/trap.c Wed Feb 20 09:38:19 2019 (r344351) +++ head/sys/amd64/amd64/trap.c Wed Feb 20 09:46:44 2019 (r344352) @@ -885,10 +885,12 @@ trap_fatal(frame, eva) #endif if (type == T_PAGEFLT) { printf("fault virtual address = 0x%lx\n", eva); - printf("fault code = %s %s %s, %s\n", + printf("fault code = %s %s %s%s%s, %s\n", code & PGEX_U ? "user" : "supervisor", code & PGEX_W ? "write" : "read", code & PGEX_I ? "instruction" : "data", + code & PGEX_PK ? " prot key" : " ", + code & PGEX_SGX ? " SGX" : " ", code & PGEX_RSV ? "reserved bits in PTE" : code & PGEX_P ? "protection violation" : "page not present"); } Modified: head/sys/amd64/include/pmap.h ============================================================================== --- head/sys/amd64/include/pmap.h Wed Feb 20 09:38:19 2019 (r344351) +++ head/sys/amd64/include/pmap.h Wed Feb 20 09:46:44 2019 (r344352) @@ -131,6 +131,8 @@ #define PGEX_U 0x04 /* access from User mode (UPL) */ #define PGEX_RSV 0x08 /* reserved PTE field is non-zero */ #define PGEX_I 0x10 /* during an instruction fetch */ +#define PGEX_PK 0x20 /* protection key violation */ +#define PGEX_SGX 0x40 /* SGX-related */ /* * undef the PG_xx macros that define bits in the regular x86 PTEs that
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201902200946.x1K9kjNV099740>