From 639b0ae7f5bcd645862a9c3ea2d4321475c71d7a Mon Sep 17 00:00:00 2001 From: Russell King Date: Sat, 6 Sep 2008 21:07:45 +0100 Subject: [ARM] Convert ARMv6 and ARMv7 to use new memory types Signed-off-by: Russell King --- arch/arm/mm/proc-macros.S | 30 ++++++++++++++++++++++++++++-- 1 file changed, 28 insertions(+), 2 deletions(-) (limited to 'arch/arm/mm/proc-macros.S') 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 -- cgit v1.2.3