pgtable-hwdef.h revision 1dc9e472e19acfe6dc7f41e429236e7eef7ceda1 
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
71