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
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=344352
@ -885,10 +885,12 @@ trap_fatal(frame, eva)
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#endif
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if (type == T_PAGEFLT) {
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printf("fault virtual address = 0x%lx\n", eva);
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printf("fault code = %s %s %s, %s\n",
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printf("fault code = %s %s %s%s%s, %s\n",
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code & PGEX_U ? "user" : "supervisor",
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code & PGEX_W ? "write" : "read",
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code & PGEX_I ? "instruction" : "data",
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code & PGEX_PK ? " prot key" : " ",
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code & PGEX_SGX ? " SGX" : " ",
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code & PGEX_RSV ? "reserved bits in PTE" :
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code & PGEX_P ? "protection violation" : "page not present");
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}
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@ -131,6 +131,8 @@
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#define PGEX_U 0x04 /* access from User mode (UPL) */
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#define PGEX_RSV 0x08 /* reserved PTE field is non-zero */
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#define PGEX_I 0x10 /* during an instruction fetch */
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#define PGEX_PK 0x20 /* protection key violation */
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#define PGEX_SGX 0x40 /* SGX-related */
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/*
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* undef the PG_xx macros that define bits in the regular x86 PTEs that
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