diff options
Diffstat (limited to 'arch/arm/mm/proc-macros.S')
| -rw-r--r-- | arch/arm/mm/proc-macros.S | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/arch/arm/mm/proc-macros.S b/arch/arm/mm/proc-macros.S index d1be25313d7b..64e593020857 100644 --- a/arch/arm/mm/proc-macros.S +++ b/arch/arm/mm/proc-macros.S | |||
| @@ -104,14 +104,38 @@ | |||
| 104 | * 11x0 0 1 0 r/w r/o | 104 | * 11x0 0 1 0 r/w r/o |
| 105 | * 1111 0 1 1 r/w r/w | 105 | * 1111 0 1 1 r/w r/w |
| 106 | */ | 106 | */ |
| 107 | .macro armv6_set_pte_ext | 107 | .macro armv6_mt_table pfx |
| 108 | \pfx\()_mt_table: | ||
| 109 | .long 0x00 @ L_PTE_MT_UNCACHED | ||
| 110 | .long PTE_EXT_TEX(1) @ L_PTE_MT_BUFFERABLE | ||
| 111 | .long PTE_CACHEABLE @ L_PTE_MT_WRITETHROUGH | ||
| 112 | .long PTE_CACHEABLE | PTE_BUFFERABLE @ L_PTE_MT_WRITEBACK | ||
| 113 | .long PTE_BUFFERABLE @ L_PTE_MT_DEV_SHARED | ||
| 114 | .long 0x00 @ unused | ||
| 115 | .long 0x00 @ L_PTE_MT_MINICACHE (not present) | ||
| 116 | .long PTE_EXT_TEX(1) | PTE_CACHEABLE | PTE_BUFFERABLE @ L_PTE_MT_WRITEALLOC | ||
| 117 | .long 0x00 @ unused | ||
| 118 | .long PTE_EXT_TEX(1) @ L_PTE_MT_DEV_WC | ||
| 119 | .long 0x00 @ unused | ||
| 120 | .long PTE_CACHEABLE | PTE_BUFFERABLE @ L_PTE_MT_DEV_CACHED | ||
| 121 | .long PTE_EXT_TEX(2) @ L_PTE_MT_DEV_NONSHARED | ||
| 122 | .long 0x00 @ L_PTE_MT_DEV_IXP2000 | ||
| 123 | .long 0x00 @ unused | ||
| 124 | .long 0x00 @ unused | ||
| 125 | .endm | ||
| 126 | |||
| 127 | .macro armv6_set_pte_ext pfx | ||
| 108 | str r1, [r0], #-2048 @ linux version | 128 | str r1, [r0], #-2048 @ linux version |
| 109 | 129 | ||
| 110 | bic r3, r1, #0x000003f0 | 130 | bic r3, r1, #0x000003fc |
| 111 | bic r3, r3, #PTE_TYPE_MASK | 131 | bic r3, r3, #PTE_TYPE_MASK |
| 112 | orr r3, r3, r2 | 132 | orr r3, r3, r2 |
| 113 | orr r3, r3, #PTE_EXT_AP0 | 2 | 133 | orr r3, r3, #PTE_EXT_AP0 | 2 |
| 114 | 134 | ||
| 135 | adr ip, \pfx\()_mt_table | ||
| 136 | and r2, r1, #L_PTE_MT_MASK | ||
| 137 | ldr r2, [ip, r2] | ||
| 138 | |||
| 115 | tst r1, #L_PTE_WRITE | 139 | tst r1, #L_PTE_WRITE |
| 116 | tstne r1, #L_PTE_DIRTY | 140 | tstne r1, #L_PTE_DIRTY |
| 117 | orreq r3, r3, #PTE_EXT_APX | 141 | orreq r3, r3, #PTE_EXT_APX |
| @@ -124,6 +148,8 @@ | |||
| 124 | tst r1, #L_PTE_EXEC | 148 | tst r1, #L_PTE_EXEC |
| 125 | orreq r3, r3, #PTE_EXT_XN | 149 | orreq r3, r3, #PTE_EXT_XN |
| 126 | 150 | ||
| 151 | orr r3, r3, r2 | ||
| 152 | |||
| 127 | tst r1, #L_PTE_YOUNG | 153 | tst r1, #L_PTE_YOUNG |
| 128 | tstne r1, #L_PTE_PRESENT | 154 | tstne r1, #L_PTE_PRESENT |
| 129 | moveq r3, #0 | 155 | moveq r3, #0 |