| The Android Open Source Project | a27d2ba | 2008-10-21 07:00:00 -0700 | [diff] [blame^] | 1 | /**************************************************************************** |
| 2 | **************************************************************************** |
| 3 | *** |
| 4 | *** This header was automatically generated from a Linux kernel header |
| 5 | *** of the same name, to make information necessary for userspace to |
| 6 | *** call into the kernel available to libc. It contains only constants, |
| 7 | *** structures, and macros generated from the original header, and thus, |
| 8 | *** contains no copyrightable information. |
| 9 | *** |
| 10 | **************************************************************************** |
| 11 | ****************************************************************************/ |
| 12 | #ifndef _ASMARM_PGTABLE_HWDEF_H |
| 13 | #define _ASMARM_PGTABLE_HWDEF_H |
| 14 | |
| 15 | #define PMD_TYPE_MASK (3 << 0) |
| 16 | #define PMD_TYPE_FAULT (0 << 0) |
| 17 | #define PMD_TYPE_TABLE (1 << 0) |
| 18 | #define PMD_TYPE_SECT (2 << 0) |
| 19 | #define PMD_BIT4 (1 << 4) |
| 20 | #define PMD_DOMAIN(x) ((x) << 5) |
| 21 | #define PMD_PROTECTION (1 << 9) |
| 22 | |
| 23 | #define PMD_SECT_BUFFERABLE (1 << 2) |
| 24 | #define PMD_SECT_CACHEABLE (1 << 3) |
| 25 | #define PMD_SECT_XN (1 << 4) |
| 26 | #define PMD_SECT_AP_WRITE (1 << 10) |
| 27 | #define PMD_SECT_AP_READ (1 << 11) |
| 28 | #define PMD_SECT_TEX(x) ((x) << 12) |
| 29 | #define PMD_SECT_APX (1 << 15) |
| 30 | #define PMD_SECT_S (1 << 16) |
| 31 | #define PMD_SECT_nG (1 << 17) |
| 32 | #define PMD_SECT_SUPER (1 << 18) |
| 33 | |
| 34 | #define PMD_SECT_UNCACHED (0) |
| 35 | #define PMD_SECT_BUFFERED (PMD_SECT_BUFFERABLE) |
| 36 | #define PMD_SECT_WT (PMD_SECT_CACHEABLE) |
| 37 | #define PMD_SECT_WB (PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE) |
| 38 | #define PMD_SECT_MINICACHE (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE) |
| 39 | #define PMD_SECT_WBWA (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE) |
| 40 | #define PMD_SECT_NONSHARED_DEV (PMD_SECT_TEX(2)) |
| 41 | |
| 42 | #define PTE_TYPE_MASK (3 << 0) |
| 43 | #define PTE_TYPE_FAULT (0 << 0) |
| 44 | #define PTE_TYPE_LARGE (1 << 0) |
| 45 | #define PTE_TYPE_SMALL (2 << 0) |
| 46 | #define PTE_TYPE_EXT (3 << 0) |
| 47 | #define PTE_BUFFERABLE (1 << 2) |
| 48 | #define PTE_CACHEABLE (1 << 3) |
| 49 | |
| 50 | #define PTE_EXT_XN (1 << 0) |
| 51 | #define PTE_EXT_AP_MASK (3 << 4) |
| 52 | #define PTE_EXT_AP0 (1 << 4) |
| 53 | #define PTE_EXT_AP1 (2 << 4) |
| 54 | #define PTE_EXT_AP_UNO_SRO (0 << 4) |
| 55 | #define PTE_EXT_AP_UNO_SRW (PTE_EXT_AP0) |
| 56 | #define PTE_EXT_AP_URO_SRW (PTE_EXT_AP1) |
| 57 | #define PTE_EXT_AP_URW_SRW (PTE_EXT_AP1|PTE_EXT_AP0) |
| 58 | #define PTE_EXT_TEX(x) ((x) << 6) |
| 59 | #define PTE_EXT_APX (1 << 9) |
| 60 | #define PTE_EXT_COHERENT (1 << 9) |
| 61 | #define PTE_EXT_SHARED (1 << 10) |
| 62 | #define PTE_EXT_NG (1 << 11) |
| 63 | |
| 64 | #define PTE_SMALL_AP_MASK (0xff << 4) |
| 65 | #define PTE_SMALL_AP_UNO_SRO (0x00 << 4) |
| 66 | #define PTE_SMALL_AP_UNO_SRW (0x55 << 4) |
| 67 | #define PTE_SMALL_AP_URO_SRW (0xaa << 4) |
| 68 | #define PTE_SMALL_AP_URW_SRW (0xff << 4) |
| 69 | |
| 70 | #endif |