From: Max Filippov <jcmvbkbc@gmail.com>
To: qemu-devel@nongnu.org
Cc: Max Filippov <jcmvbkbc@gmail.com>
Subject: [Qemu-devel] [PATCH 3/3] target-xtensa: add tests for cross-page TB
Date: Wed, 21 May 2014 01:22:30 +0400 [thread overview]
Message-ID: <1400620950-32297-4-git-send-email-jcmvbkbc@gmail.com> (raw)
In-Reply-To: <1400620950-32297-1-git-send-email-jcmvbkbc@gmail.com>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
---
tests/tcg/xtensa/test_mmu.S | 220 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 220 insertions(+)
diff --git a/tests/tcg/xtensa/test_mmu.S b/tests/tcg/xtensa/test_mmu.S
index 37174b9..58c5bca 100644
--- a/tests/tcg/xtensa/test_mmu.S
+++ b/tests/tcg/xtensa/test_mmu.S
@@ -520,4 +520,224 @@ test autoload_3_level_pt
assert_sr exccause, 24
test_end
+test cross_page_insn
+ set_vector kernel, 2f
+
+ movi a2, 0x04000003 /* PPN */
+ movi a3, 0x00007000 /* VPN */
+ witlb a2, a3
+ wdtlb a2, a3
+ movi a3, 0x00008000 /* VPN */
+ witlb a2, a3
+ wdtlb a2, a3
+
+ movi a2, 0x00007fff
+ movi a3, 20f
+ movi a4, 21f
+ sub a4, a4, a3
+ loop a4, 1f
+ l8ui a5, a3, 0
+ s8i a5, a2, 0
+ addi a2, a2, 1
+ addi a3, a3, 1
+1:
+ movi a2, 0x00007fff
+ movi a3, 0x00008000
+ /* DTLB: OK, ITLB: OK */
+ jx a2
+
+ .begin no-transform
+20:
+ l32i a2, a3, 0
+ syscall
+21:
+ .end no-transform
+
+2:
+ rsr a2, exccause
+ movi a3, 1
+ assert eq, a2, a3
+ rsr a2, epc1
+ movi a3, 0x8002
+ assert eq, a2, a3
+ rsr a2, excsave1
+ movi a3, 0x00007fff
+ assert ne, a2, a3
+
+ reset_ps
+ set_vector kernel, 3f
+
+ movi a2, 0x0400000c /* PPN */
+ movi a3, 0x00008000 /* VPN */
+ wdtlb a2, a3
+ movi a2, 0x00007fff
+ movi a3, 0x00008000
+ /* DTLB: FAIL, ITLB: OK */
+ jx a2
+3:
+ rsr a2, exccause
+ movi a3, 28
+ assert eq, a2, a3
+ rsr a2, epc1
+ movi a3, 0x7fff
+ assert eq, a2, a3
+ rsr a2, excsave1
+ movi a3, 0x00007fff
+ assert eq, a2, a3
+
+ reset_ps
+ set_vector kernel, 4f
+
+ movi a2, 0x0400000c /* PPN */
+ movi a3, 0x00008000 /* VPN */
+ witlb a2, a3
+ movi a2, 0x04000003 /* PPN */
+ wdtlb a2, a3
+ movi a2, 0x00007fff
+ movi a3, 0x00008000
+ /* DTLB: OK, ITLB: FAIL */
+ jx a2
+4:
+ rsr a2, exccause
+ movi a3, 20
+ assert eq, a2, a3
+ rsr a2, epc1
+ movi a3, 0x7fff
+ assert eq, a2, a3
+ rsr a2, excsave1
+ movi a3, 0x00007fff
+ assert eq, a2, a3
+
+ reset_ps
+ set_vector kernel, 5f
+
+ movi a2, 0x0400000c /* PPN */
+ movi a3, 0x00008000 /* VPN */
+ wdtlb a2, a3
+ movi a2, 0x00007fff
+ movi a3, 0x00008000
+ /* DTLB: FAIL, ITLB: FAIL */
+ jx a2
+5:
+ rsr a2, exccause
+ movi a3, 20
+ assert eq, a2, a3
+ rsr a2, epc1
+ movi a3, 0x7fff
+ assert eq, a2, a3
+ rsr a2, excsave1
+ movi a3, 0x00007fff
+ assert eq, a2, a3
+test_end
+
+test cross_page_tb
+ set_vector kernel, 2f
+
+ movi a2, 0x04000003 /* PPN */
+ movi a3, 0x00007000 /* VPN */
+ witlb a2, a3
+ wdtlb a2, a3
+ movi a3, 0x00008000 /* VPN */
+ witlb a2, a3
+ wdtlb a2, a3
+
+ movi a2, 0x00007ffd
+ movi a3, 20f
+ movi a4, 21f
+ sub a4, a4, a3
+ loop a4, 1f
+ l8ui a5, a3, 0
+ s8i a5, a2, 0
+ addi a2, a2, 1
+ addi a3, a3, 1
+1:
+ movi a2, 0x00007ffd
+ movi a3, 0x00008000
+ /* DTLB: OK, ITLB: OK */
+ jx a2
+
+ .begin no-transform
+20:
+ l32i a2, a3, 0
+ syscall
+21:
+ .end no-transform
+
+2:
+ rsr a2, exccause
+ movi a3, 1
+ assert eq, a2, a3
+ rsr a2, epc1
+ movi a3, 0x8000
+ assert eq, a2, a3
+ rsr a2, excsave1
+ movi a3, 0x00007ffd
+ assert ne, a2, a3
+
+ reset_ps
+ set_vector kernel, 3f
+
+ movi a2, 0x0400000c /* PPN */
+ movi a3, 0x00008000 /* VPN */
+ wdtlb a2, a3
+ movi a2, 0x00007ffd
+ movi a3, 0x00008000
+ /* DTLB: FAIL, ITLB: OK */
+ jx a2
+3:
+ rsr a2, exccause
+ movi a3, 28
+ assert eq, a2, a3
+ rsr a2, epc1
+ movi a3, 0x7ffd
+ assert eq, a2, a3
+ rsr a2, excsave1
+ movi a3, 0x00007ffd
+ assert eq, a2, a3
+
+ reset_ps
+ set_vector kernel, 4f
+
+ movi a2, 0x0400000c /* PPN */
+ movi a3, 0x00008000 /* VPN */
+ witlb a2, a3
+ movi a2, 0x04000003 /* PPN */
+ wdtlb a2, a3
+ movi a2, 0x00007ffd
+ movi a3, 0x00008000
+ /* DTLB: OK, ITLB: FAIL */
+ jx a2
+4:
+ rsr a2, exccause
+ movi a3, 20
+ assert eq, a2, a3
+ rsr a2, epc1
+ movi a3, 0x8000
+ assert eq, a2, a3
+ rsr a2, excsave1
+ movi a3, 0x00007ffd
+ assert ne, a2, a3
+
+ reset_ps
+ set_vector kernel, 5f
+
+ movi a2, 0x0400000c /* PPN */
+ movi a3, 0x00008000 /* VPN */
+ wdtlb a2, a3
+ movi a2, 0x00007ffd
+ movi a3, 0x00008000
+ /* DTLB: FAIL, ITLB: FAIL */
+ jx a2
+5:
+ rsr a2, exccause
+ movi a3, 28
+ assert eq, a2, a3
+ rsr a2, epc1
+ movi a3, 0x7ffd
+ assert eq, a2, a3
+ rsr a2, excsave1
+ movi a3, 0x00007ffd
+ assert eq, a2, a3
+test_end
+
test_suite_end
--
1.8.1.4
prev parent reply other threads:[~2014-05-20 21:23 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-20 21:22 [Qemu-devel] [PATCH 0/3] target-xtensa: fix cross-page jumps/calls at the end of TB Max Filippov
2014-05-20 21:22 ` [Qemu-devel] [PATCH 1/3] " Max Filippov
2014-05-20 21:22 ` [Qemu-devel] [PATCH 2/3] target-xtensa: completely clean TLB between MMU tests Max Filippov
2014-05-20 21:22 ` Max Filippov [this message]
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