aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mm
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mm')
-rw-r--r--arch/arm/mm/copypage-v3.S2
-rw-r--r--arch/arm/mm/copypage-v4wb.S2
-rw-r--r--arch/arm/mm/copypage-v4wt.S2
-rw-r--r--arch/arm/mm/flush.c52
-rw-r--r--arch/arm/mm/proc-arm1020.S2
-rw-r--r--arch/arm/mm/proc-arm1020e.S2
-rw-r--r--arch/arm/mm/proc-arm1022.S2
-rw-r--r--arch/arm/mm/proc-arm1026.S2
-rw-r--r--arch/arm/mm/proc-arm6_7.S10
-rw-r--r--arch/arm/mm/proc-arm720.S2
-rw-r--r--arch/arm/mm/proc-macros.S2
-rw-r--r--arch/arm/mm/proc-sa110.S2
-rw-r--r--arch/arm/mm/proc-sa1100.S2
-rw-r--r--arch/arm/mm/proc-v6.S2
-rw-r--r--arch/arm/mm/tlb-v3.S2
-rw-r--r--arch/arm/mm/tlb-v4.S2
-rw-r--r--arch/arm/mm/tlb-v4wb.S2
-rw-r--r--arch/arm/mm/tlb-v4wbi.S2
-rw-r--r--arch/arm/mm/tlb-v6.S2
19 files changed, 74 insertions, 22 deletions
diff --git a/arch/arm/mm/copypage-v3.S b/arch/arm/mm/copypage-v3.S
index 4940f190831..3c58ebbf035 100644
--- a/arch/arm/mm/copypage-v3.S
+++ b/arch/arm/mm/copypage-v3.S
@@ -12,7 +12,7 @@
#include <linux/linkage.h>
#include <linux/init.h>
#include <asm/assembler.h>
-#include <asm/constants.h>
+#include <asm/asm-offsets.h>
.text
.align 5
diff --git a/arch/arm/mm/copypage-v4wb.S b/arch/arm/mm/copypage-v4wb.S
index b94c345ceb9..83117354b1c 100644
--- a/arch/arm/mm/copypage-v4wb.S
+++ b/arch/arm/mm/copypage-v4wb.S
@@ -11,7 +11,7 @@
*/
#include <linux/linkage.h>
#include <linux/init.h>
-#include <asm/constants.h>
+#include <asm/asm-offsets.h>
.text
.align 5
diff --git a/arch/arm/mm/copypage-v4wt.S b/arch/arm/mm/copypage-v4wt.S
index 976793937a9..e1f2af28d54 100644
--- a/arch/arm/mm/copypage-v4wt.S
+++ b/arch/arm/mm/copypage-v4wt.S
@@ -14,7 +14,7 @@
*/
#include <linux/linkage.h>
#include <linux/init.h>
-#include <asm/constants.h>
+#include <asm/asm-offsets.h>
.text
.align 5
diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c
index 191788fb18d..b0208c99257 100644
--- a/arch/arm/mm/flush.c
+++ b/arch/arm/mm/flush.c
@@ -16,6 +16,58 @@
#include <asm/tlbflush.h>
#ifdef CONFIG_CPU_CACHE_VIPT
+
+void flush_cache_mm(struct mm_struct *mm)
+{
+ if (cache_is_vivt()) {
+ if (cpu_isset(smp_processor_id(), mm->cpu_vm_mask))
+ __cpuc_flush_user_all();
+ return;
+ }
+
+ if (cache_is_vipt_aliasing()) {
+ asm( "mcr p15, 0, %0, c7, c14, 0\n"
+ " mcr p15, 0, %0, c7, c5, 0\n"
+ " mcr p15, 0, %0, c7, c10, 4"
+ :
+ : "r" (0)
+ : "cc");
+ }
+}
+
+void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end)
+{
+ if (cache_is_vivt()) {
+ if (cpu_isset(smp_processor_id(), vma->vm_mm->cpu_vm_mask))
+ __cpuc_flush_user_range(start & PAGE_MASK, PAGE_ALIGN(end),
+ vma->vm_flags);
+ return;
+ }
+
+ if (cache_is_vipt_aliasing()) {
+ asm( "mcr p15, 0, %0, c7, c14, 0\n"
+ " mcr p15, 0, %0, c7, c5, 0\n"
+ " mcr p15, 0, %0, c7, c10, 4"
+ :
+ : "r" (0)
+ : "cc");
+ }
+}
+
+void flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsigned long pfn)
+{
+ if (cache_is_vivt()) {
+ if (cpu_isset(smp_processor_id(), vma->vm_mm->cpu_vm_mask)) {
+ unsigned long addr = user_addr & PAGE_MASK;
+ __cpuc_flush_user_range(addr, addr + PAGE_SIZE, vma->vm_flags);
+ }
+ return;
+ }
+
+ if (cache_is_vipt_aliasing())
+ flush_pfn_alias(pfn, user_addr);
+}
+
#define ALIAS_FLUSH_START 0xffff4000
#define TOP_PTE(x) pte_offset_kernel(top_pmd, x)
diff --git a/arch/arm/mm/proc-arm1020.S b/arch/arm/mm/proc-arm1020.S
index 5c0ae5260d1..1d739d282a4 100644
--- a/arch/arm/mm/proc-arm1020.S
+++ b/arch/arm/mm/proc-arm1020.S
@@ -28,7 +28,7 @@
#include <linux/config.h>
#include <linux/init.h>
#include <asm/assembler.h>
-#include <asm/constants.h>
+#include <asm/asm-offsets.h>
#include <asm/pgtable.h>
#include <asm/procinfo.h>
#include <asm/ptrace.h>
diff --git a/arch/arm/mm/proc-arm1020e.S b/arch/arm/mm/proc-arm1020e.S
index d69389c4d4b..9b725665b5c 100644
--- a/arch/arm/mm/proc-arm1020e.S
+++ b/arch/arm/mm/proc-arm1020e.S
@@ -28,7 +28,7 @@
#include <linux/config.h>
#include <linux/init.h>
#include <asm/assembler.h>
-#include <asm/constants.h>
+#include <asm/asm-offsets.h>
#include <asm/pgtable.h>
#include <asm/procinfo.h>
#include <asm/ptrace.h>
diff --git a/arch/arm/mm/proc-arm1022.S b/arch/arm/mm/proc-arm1022.S
index 747ed963e1d..37b70fa21c7 100644
--- a/arch/arm/mm/proc-arm1022.S
+++ b/arch/arm/mm/proc-arm1022.S
@@ -17,7 +17,7 @@
#include <linux/config.h>
#include <linux/init.h>
#include <asm/assembler.h>
-#include <asm/constants.h>
+#include <asm/asm-offsets.h>
#include <asm/pgtable.h>
#include <asm/procinfo.h>
#include <asm/ptrace.h>
diff --git a/arch/arm/mm/proc-arm1026.S b/arch/arm/mm/proc-arm1026.S
index 248110c9cf1..931b690d1be 100644
--- a/arch/arm/mm/proc-arm1026.S
+++ b/arch/arm/mm/proc-arm1026.S
@@ -17,7 +17,7 @@
#include <linux/config.h>
#include <linux/init.h>
#include <asm/assembler.h>
-#include <asm/constants.h>
+#include <asm/asm-offsets.h>
#include <asm/pgtable.h>
#include <asm/procinfo.h>
#include <asm/ptrace.h>
diff --git a/arch/arm/mm/proc-arm6_7.S b/arch/arm/mm/proc-arm6_7.S
index 0ee214b824f..d0f1bbb48f6 100644
--- a/arch/arm/mm/proc-arm6_7.S
+++ b/arch/arm/mm/proc-arm6_7.S
@@ -13,7 +13,7 @@
#include <linux/linkage.h>
#include <linux/init.h>
#include <asm/assembler.h>
-#include <asm/constants.h>
+#include <asm/asm-offsets.h>
#include <asm/pgtable.h>
#include <asm/procinfo.h>
#include <asm/ptrace.h>
@@ -38,8 +38,8 @@ ENTRY(cpu_arm7_data_abort)
mrc p15, 0, r1, c5, c0, 0 @ get FSR
mrc p15, 0, r0, c6, c0, 0 @ get FAR
ldr r8, [r0] @ read arm instruction
- tst r8, #1 << 20 @ L = 1 -> write?
- orreq r1, r1, #1 << 8 @ yes.
+ tst r8, #1 << 20 @ L = 0 -> write?
+ orreq r1, r1, #1 << 11 @ yes.
and r7, r8, #15 << 24
add pc, pc, r7, lsr #22 @ Now branch to the relevant processing routine
nop
@@ -71,8 +71,8 @@ ENTRY(cpu_arm6_data_abort)
mrc p15, 0, r1, c5, c0, 0 @ get FSR
mrc p15, 0, r0, c6, c0, 0 @ get FAR
ldr r8, [r2] @ read arm instruction
- tst r8, #1 << 20 @ L = 1 -> write?
- orreq r1, r1, #1 << 8 @ yes.
+ tst r8, #1 << 20 @ L = 0 -> write?
+ orreq r1, r1, #1 << 11 @ yes.
and r7, r8, #14 << 24
teq r7, #8 << 24 @ was it ldm/stm
movne pc, lr
diff --git a/arch/arm/mm/proc-arm720.S b/arch/arm/mm/proc-arm720.S
index 57cfa6a2f54..c69c9de3239 100644
--- a/arch/arm/mm/proc-arm720.S
+++ b/arch/arm/mm/proc-arm720.S
@@ -33,7 +33,7 @@
#include <linux/linkage.h>
#include <linux/init.h>
#include <asm/assembler.h>
-#include <asm/constants.h>
+#include <asm/asm-offsets.h>
#include <asm/pgtable.h>
#include <asm/procinfo.h>
#include <asm/ptrace.h>
diff --git a/arch/arm/mm/proc-macros.S b/arch/arm/mm/proc-macros.S
index 9137fe56359..7cfc2604a1e 100644
--- a/arch/arm/mm/proc-macros.S
+++ b/arch/arm/mm/proc-macros.S
@@ -4,7 +4,7 @@
* VMA_VM_FLAGS
* VM_EXEC
*/
-#include <asm/constants.h>
+#include <asm/asm-offsets.h>
#include <asm/thread_info.h>
/*
diff --git a/arch/arm/mm/proc-sa110.S b/arch/arm/mm/proc-sa110.S
index 360cae90569..34f7e7d3f41 100644
--- a/arch/arm/mm/proc-sa110.S
+++ b/arch/arm/mm/proc-sa110.S
@@ -15,7 +15,7 @@
#include <linux/linkage.h>
#include <linux/init.h>
#include <asm/assembler.h>
-#include <asm/constants.h>
+#include <asm/asm-offsets.h>
#include <asm/procinfo.h>
#include <asm/hardware.h>
#include <asm/pgtable.h>
diff --git a/arch/arm/mm/proc-sa1100.S b/arch/arm/mm/proc-sa1100.S
index d447cd5f3dd..ca14f80d5ab 100644
--- a/arch/arm/mm/proc-sa1100.S
+++ b/arch/arm/mm/proc-sa1100.S
@@ -20,7 +20,7 @@
#include <linux/linkage.h>
#include <linux/init.h>
#include <asm/assembler.h>
-#include <asm/constants.h>
+#include <asm/asm-offsets.h>
#include <asm/procinfo.h>
#include <asm/hardware.h>
#include <asm/pgtable.h>
diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S
index 139a38670c5..eb34823c9db 100644
--- a/arch/arm/mm/proc-v6.S
+++ b/arch/arm/mm/proc-v6.S
@@ -11,7 +11,7 @@
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
-#include <asm/constants.h>
+#include <asm/asm-offsets.h>
#include <asm/procinfo.h>
#include <asm/pgtable.h>
diff --git a/arch/arm/mm/tlb-v3.S b/arch/arm/mm/tlb-v3.S
index 44b0daeaff9..c10786ec8e0 100644
--- a/arch/arm/mm/tlb-v3.S
+++ b/arch/arm/mm/tlb-v3.S
@@ -13,7 +13,7 @@
*/
#include <linux/linkage.h>
#include <linux/init.h>
-#include <asm/constants.h>
+#include <asm/asm-offsets.h>
#include <asm/tlbflush.h>
#include "proc-macros.S"
diff --git a/arch/arm/mm/tlb-v4.S b/arch/arm/mm/tlb-v4.S
index db82ee46824..d6c94457c2b 100644
--- a/arch/arm/mm/tlb-v4.S
+++ b/arch/arm/mm/tlb-v4.S
@@ -14,7 +14,7 @@
*/
#include <linux/linkage.h>
#include <linux/init.h>
-#include <asm/constants.h>
+#include <asm/asm-offsets.h>
#include <asm/tlbflush.h>
#include "proc-macros.S"
diff --git a/arch/arm/mm/tlb-v4wb.S b/arch/arm/mm/tlb-v4wb.S
index 7908d5f1f13..cb829ca7845 100644
--- a/arch/arm/mm/tlb-v4wb.S
+++ b/arch/arm/mm/tlb-v4wb.S
@@ -14,7 +14,7 @@
*/
#include <linux/linkage.h>
#include <linux/init.h>
-#include <asm/constants.h>
+#include <asm/asm-offsets.h>
#include <asm/tlbflush.h>
#include "proc-macros.S"
diff --git a/arch/arm/mm/tlb-v4wbi.S b/arch/arm/mm/tlb-v4wbi.S
index efbe94bbe1a..60cfc4a25dd 100644
--- a/arch/arm/mm/tlb-v4wbi.S
+++ b/arch/arm/mm/tlb-v4wbi.S
@@ -14,7 +14,7 @@
*/
#include <linux/linkage.h>
#include <linux/init.h>
-#include <asm/constants.h>
+#include <asm/asm-offsets.h>
#include <asm/tlbflush.h>
#include "proc-macros.S"
diff --git a/arch/arm/mm/tlb-v6.S b/arch/arm/mm/tlb-v6.S
index 99ed26e78ad..6f76b89ef46 100644
--- a/arch/arm/mm/tlb-v6.S
+++ b/arch/arm/mm/tlb-v6.S
@@ -11,7 +11,7 @@
* These assume a split I/D TLB.
*/
#include <linux/linkage.h>
-#include <asm/constants.h>
+#include <asm/asm-offsets.h>
#include <asm/page.h>
#include <asm/tlbflush.h>
#include "proc-macros.S"
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-27 07:15:52 +0000