| @@ -1,14 +1,14 @@ | | | @@ -1,14 +1,14 @@ |
| 1 | /* $NetBSD: pte.h,v 1.2 2019/10/05 07:30:03 maxv Exp $ */ | | 1 | /* $NetBSD: pte.h,v 1.3 2019/10/09 17:28:46 maxv Exp $ */ |
| 2 | | | 2 | |
| 3 | /* | | 3 | /* |
| 4 | * Copyright (c) 2010 The NetBSD Foundation, Inc. | | 4 | * Copyright (c) 2010 The NetBSD Foundation, Inc. |
| 5 | * All rights reserved. | | 5 | * All rights reserved. |
| 6 | * | | 6 | * |
| 7 | * This code is derived from software contributed to The NetBSD Foundation | | 7 | * This code is derived from software contributed to The NetBSD Foundation |
| 8 | * by Christoph Egger. | | 8 | * by Christoph Egger. |
| 9 | * | | 9 | * |
| 10 | * Redistribution and use in source and binary forms, with or without | | 10 | * Redistribution and use in source and binary forms, with or without |
| 11 | * modification, are permitted provided that the following conditions | | 11 | * modification, are permitted provided that the following conditions |
| 12 | * are met: | | 12 | * are met: |
| 13 | * 1. Redistributions of source code must retain the above copyright | | 13 | * 1. Redistributions of source code must retain the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer. | | 14 | * notice, this list of conditions and the following disclaimer. |
| @@ -29,22 +29,24 @@ | | | @@ -29,22 +29,24 @@ |
| 29 | * POSSIBILITY OF SUCH DAMAGE. | | 29 | * POSSIBILITY OF SUCH DAMAGE. |
| 30 | */ | | 30 | */ |
| 31 | | | 31 | |
| 32 | #ifndef _X86_PTE_H | | 32 | #ifndef _X86_PTE_H |
| 33 | #define _X86_PTE_H | | 33 | #define _X86_PTE_H |
| 34 | | | 34 | |
| 35 | /* Cacheability bits when we are using PAT */ | | 35 | /* Cacheability bits when we are using PAT */ |
| 36 | #define PGC_WB 0 /* The default */ | | 36 | #define PGC_WB 0 /* The default */ |
| 37 | #define PGC_WC PTE_PWT /* WT and CD is WC */ | | 37 | #define PGC_WC PTE_PWT /* WT and CD is WC */ |
| 38 | #define PGC_UCMINUS PTE_PCD /* UC but mtrr can override */ | | 38 | #define PGC_UCMINUS PTE_PCD /* UC but mtrr can override */ |
| 39 | #define PGC_UC (PTE_PWT | PTE_PCD) /* hard UC */ | | 39 | #define PGC_UC (PTE_PWT | PTE_PCD) /* hard UC */ |
| 40 | | | 40 | |
| 41 | /* | | 41 | /* |
| 42 | * page protection exception bits | | 42 | * Page protection exception bits |
| 43 | */ | | 43 | */ |
| 44 | | | 44 | #define PGEX_P 0x0001 /* the page was present */ |
| 45 | #define PGEX_P 0x01 /* protection violation (vs. no mapping) */ | | 45 | #define PGEX_W 0x0002 /* exception during a write cycle */ |
| 46 | #define PGEX_W 0x02 /* exception during a write cycle */ | | 46 | #define PGEX_U 0x0004 /* exception while in user mode */ |
| 47 | #define PGEX_U 0x04 /* exception while in user mode (upl) */ | | 47 | #define PGEX_RSVD 0x0008 /* a reserved bit was set in the page tables */ |
| 48 | #define PGEX_X 0x10 /* exception during instruction fetch */ | | 48 | #define PGEX_X 0x0010 /* exception during instruction fetch */ |
| | | 49 | #define PGEX_PK 0x0020 /* access disallowed by protection key */ |
| | | 50 | #define PGEX_SGX 0x8000 /* violation of sgx-specific access rights */ |
| 49 | | | 51 | |
| 50 | #endif /* _X86_PTE_H */ | | 52 | #endif /* _X86_PTE_H */ |