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[Qemu-devel] [PATCH 2/3] target-xtensa: completely clean TLB between MMU
From: |
Max Filippov |
Subject: |
[Qemu-devel] [PATCH 2/3] target-xtensa: completely clean TLB between MMU tests |
Date: |
Wed, 21 May 2014 01:22:29 +0400 |
Signed-off-by: Max Filippov <address@hidden>
---
tests/tcg/xtensa/test_mmu.S | 26 +++++++++++++++++++-------
1 file changed, 19 insertions(+), 7 deletions(-)
diff --git a/tests/tcg/xtensa/test_mmu.S b/tests/tcg/xtensa/test_mmu.S
index 099031f..37174b9 100644
--- a/tests/tcg/xtensa/test_mmu.S
+++ b/tests/tcg/xtensa/test_mmu.S
@@ -4,16 +4,28 @@ test_suite mmu
.purgem test_init
-.macro test_init
- movi a2, 0x00000004
- idtlb a2
- movi a2, 0x00100004
+.macro clean_tlb_way way, page_size, n_entries
+ movi a2, \way
+ movi a3, \page_size
+ movi a4, \n_entries
+ loop a4, 1f
idtlb a2
- movi a2, 0x00200004
+ iitlb a2
+ add a2, a2, a3
+1:
+.endm
+
+.macro test_init
+ clean_tlb_way 0, 0x00001000, 4
+ clean_tlb_way 1, 0x00001000, 4
+ clean_tlb_way 2, 0x00001000, 4
+ clean_tlb_way 3, 0x00001000, 4
+ clean_tlb_way 4, 0x00100000, 4
+ movi a2, 0x00000007
idtlb a2
- movi a2, 0x00300004
+ movi a2, 0x00000008
idtlb a2
- movi a2, 0x00000007
+ movi a2, 0x00000009
idtlb a2
.endm
--
1.8.1.4