From: Max Filippov <jcmvbkbc@gmail.com>
Date: Tue, 20 May 2014 20:50:12 +0000 (+0400)
Subject: target-xtensa: completely clean TLB between MMU tests
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=ca3164df4d8aa130f4d1b8eb647b110250724d3b;p=qemu.git

target-xtensa: completely clean TLB between MMU tests

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
---

diff --git a/tests/tcg/xtensa/test_mmu.S b/tests/tcg/xtensa/test_mmu.S
index 099031fd14..37174b96df 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