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[Qemu-devel] [PATCH] tests/tcg/xtensa: add test for failed memory transa
From: |
Max Filippov |
Subject: |
[Qemu-devel] [PATCH] tests/tcg/xtensa: add test for failed memory transactions |
Date: |
Sun, 19 Aug 2018 20:31:25 -0700 |
Failed memory transactions should raise exceptions 14 (for fetch) or 15
(for load/store) with XEA2.
Signed-off-by: Max Filippov <address@hidden>
---
tests/tcg/xtensa/Makefile | 1 +
tests/tcg/xtensa/test_phys_mem.S | 68 ++++++++++++++++++++++++++++++++++++++++
2 files changed, 69 insertions(+)
create mode 100644 tests/tcg/xtensa/test_phys_mem.S
diff --git a/tests/tcg/xtensa/Makefile b/tests/tcg/xtensa/Makefile
index 091518c05583..2f5691f75b09 100644
--- a/tests/tcg/xtensa/Makefile
+++ b/tests/tcg/xtensa/Makefile
@@ -44,6 +44,7 @@ TESTCASES += test_mmu.tst
TESTCASES += test_mul16.tst
TESTCASES += test_mul32.tst
TESTCASES += test_nsa.tst
+TESTCASES += test_phys_mem.tst
ifdef XT
TESTCASES += test_pipeline.tst
endif
diff --git a/tests/tcg/xtensa/test_phys_mem.S b/tests/tcg/xtensa/test_phys_mem.S
new file mode 100644
index 000000000000..5db17ce506e8
--- /dev/null
+++ b/tests/tcg/xtensa/test_phys_mem.S
@@ -0,0 +1,68 @@
+#include "macros.inc"
+
+test_suite phys_mem
+
+.purgem test_init
+
+.macro test_init
+ movi a2, 0xc0000003 /* PPN */
+ movi a3, 0xc0000004 /* VPN */
+ wdtlb a2, a3
+ witlb a2, a3
+.endm
+
+test inst_fetch_no_phys
+ set_vector kernel, 1f
+
+ movi a2, 0xc0000000
+ jx a2
+1:
+ movi a2, 0xc0000000
+ rsr a3, excvaddr
+ assert eq, a2, a3
+ rsr a3, epc1
+ assert eq, a2, a3
+ rsr a3, exccause
+ movi a2, 14
+ assert eq, a2, a3
+test_end
+
+test read_no_phys
+ set_vector kernel, 2f
+
+ movi a2, 0xc0000000
+1:
+ l32i a3, a2, 0
+ test_fail
+2:
+ movi a2, 0xc0000000
+ rsr a3, excvaddr
+ assert eq, a2, a3
+ movi a2, 1b
+ rsr a3, epc1
+ assert eq, a2, a3
+ rsr a3, exccause
+ movi a2, 15
+ assert eq, a2, a3
+test_end
+
+test write_no_phys
+ set_vector kernel, 2f
+
+ movi a2, 0xc0000000
+1:
+ s32i a3, a2, 0
+ test_fail
+2:
+ movi a2, 0xc0000000
+ rsr a3, excvaddr
+ assert eq, a2, a3
+ movi a2, 1b
+ rsr a3, epc1
+ assert eq, a2, a3
+ rsr a3, exccause
+ movi a2, 15
+ assert eq, a2, a3
+test_end
+
+test_suite_end
--
2.11.0
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