Date: Wed, 9 Apr 2003 20:56:02 -0700 (PDT) From: Peter Wemm <peter@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 28686 for review Message-ID: <200304100356.h3A3u2Xi001235@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=28686 Change 28686 by peter@peter_daintree on 2003/04/09 20:55:38 create a %cs for userland Affected files ... .. //depot/projects/hammer/sys/x86_64/include/segments.h#14 edit .. //depot/projects/hammer/sys/x86_64/x86_64/machdep.c#60 edit Differences ... ==== //depot/projects/hammer/sys/x86_64/include/segments.h#14 (text+ko) ==== @@ -178,7 +178,8 @@ #define GDATA_SEL 2 /* Kernel Data Descriptor */ #define GPROC0_SEL 3 /* Task state process slot zero and up */ /* slot 4 is second half of GPROC0_SEL */ -#define NGDT 5 +#define GUCODE_SEL 5 /* Kernel Code Descriptor */ +#define NGDT 6 #ifdef _KERNEL extern struct user_segment_descriptor gdt[]; ==== //depot/projects/hammer/sys/x86_64/x86_64/machdep.c#60 (text+ko) ==== @@ -573,7 +573,7 @@ { 0x0, /* segment base address */ 0xfffff, /* length - all address space */ SDT_MEMERA, /* segment type */ - 0, /* segment descriptor priority level */ + SEL_KPL, /* segment descriptor priority level */ 1, /* segment descriptor present */ 1, /* long */ 0, /* default 32 vs 16 bit size */ @@ -582,7 +582,7 @@ { 0x0, /* segment base address */ 0xfffff, /* length - all address space */ SDT_MEMRWA, /* segment type */ - 0, /* segment descriptor priority level */ + SEL_KPL, /* segment descriptor priority level */ 1, /* segment descriptor present */ 1, /* long */ 1, /* default 32 vs 16 bit size */ @@ -592,7 +592,7 @@ 0x0, /* segment base address */ sizeof(struct x86_64tss)-1,/* length - all address space */ SDT_SYSTSS, /* segment type */ - 0, /* segment descriptor priority level */ + SEL_KPL, /* segment descriptor priority level */ 1, /* segment descriptor present */ 0, /* long */ 0, /* unused - default 32 vs 16 bit size */ @@ -606,6 +606,15 @@ 0, /* long */ 0, /* default 32 vs 16 bit size */ 0 /* limit granularity (byte/page units)*/ }, +/* GUCODE_SEL 5 Code Descriptor for user */ +{ 0x0, /* segment base address */ + 0xfffff, /* length - all address space */ + SDT_MEMERA, /* segment type */ + SEL_UPL, /* segment descriptor priority level */ + 1, /* segment descriptor present */ + 1, /* long */ + 0, /* default 32 vs 16 bit size */ + 1 /* limit granularity (byte/page units)*/ }, }; void
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