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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-09-06 21:07:45 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-10-01 16:41:00 +0100
commit639b0ae7f5bcd645862a9c3ea2d4321475c71d7a (patch)
tree34e26970f8c907c9027037fc9ae5a9ab7cd2d1a2 /arch/arm/mm/proc-macros.S
parent9e8b5199a753a2583a8ef8360e6428304a242283 (diff)
[ARM] Convert ARMv6 and ARMv7 to use new memory types
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm/proc-macros.S')
-rw-r--r--arch/arm/mm/proc-macros.S30
1 files changed, 28 insertions, 2 deletions
diff --git a/arch/arm/mm/proc-macros.S b/arch/arm/mm/proc-macros.S
index d1be25313d7..64e59302085 100644
--- a/arch/arm/mm/proc-macros.S
+++ b/arch/arm/mm/proc-macros.S
@@ -104,14 +104,38 @@
* 11x0 0 1 0 r/w r/o
* 1111 0 1 1 r/w r/w
*/
- .macro armv6_set_pte_ext
+ .macro armv6_mt_table pfx
+\pfx\()_mt_table:
+ .long 0x00 @ L_PTE_MT_UNCACHED
+ .long PTE_EXT_TEX(1) @ L_PTE_MT_BUFFERABLE
+ .long PTE_CACHEABLE @ L_PTE_MT_WRITETHROUGH
+ .long PTE_CACHEABLE | PTE_BUFFERABLE @ L_PTE_MT_WRITEBACK
+ .long PTE_BUFFERABLE @ L_PTE_MT_DEV_SHARED
+ .long 0x00 @ unused
+ .long 0x00 @ L_PTE_MT_MINICACHE (not present)
+ .long PTE_EXT_TEX(1) | PTE_CACHEABLE | PTE_BUFFERABLE @ L_PTE_MT_WRITEALLOC
+ .long 0x00 @ unused
+ .long PTE_EXT_TEX(1) @ L_PTE_MT_DEV_WC
+ .long 0x00 @ unused
+ .long PTE_CACHEABLE | PTE_BUFFERABLE @ L_PTE_MT_DEV_CACHED
+ .long PTE_EXT_TEX(2) @ L_PTE_MT_DEV_NONSHARED
+ .long 0x00 @ L_PTE_MT_DEV_IXP2000
+ .long 0x00 @ unused
+ .long 0x00 @ unused
+ .endm
+
+ .macro armv6_set_pte_ext pfx
str r1, [r0], #-2048 @ linux version
- bic r3, r1, #0x000003f0
+ bic r3, r1, #0x000003fc
bic r3, r3, #PTE_TYPE_MASK
orr r3, r3, r2
orr r3, r3, #PTE_EXT_AP0 | 2
+ adr ip, \pfx\()_mt_table
+ and r2, r1, #L_PTE_MT_MASK
+ ldr r2, [ip, r2]
+
tst r1, #L_PTE_WRITE
tstne r1, #L_PTE_DIRTY
orreq r3, r3, #PTE_EXT_APX
@@ -124,6 +148,8 @@
tst r1, #L_PTE_EXEC
orreq r3, r3, #PTE_EXT_XN
+ orr r3, r3, r2
+
tst r1, #L_PTE_YOUNG
tstne r1, #L_PTE_PRESENT
moveq r3, #0