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-rw-r--r--qemu/tests/tcg/xtensa/test_timer.S178
1 files changed, 178 insertions, 0 deletions
diff --git a/qemu/tests/tcg/xtensa/test_timer.S b/qemu/tests/tcg/xtensa/test_timer.S
new file mode 100644
index 000000000..f8c6f7423
--- /dev/null
+++ b/qemu/tests/tcg/xtensa/test_timer.S
@@ -0,0 +1,178 @@
+#include "macros.inc"
+
+test_suite timer
+
+test ccount
+ rsr a3, ccount
+ rsr a4, ccount
+ sub a3, a4, a3
+ assert eqi, a3, 1
+test_end
+
+test ccompare
+ movi a2, 0
+ wsr a2, intenable
+ rsr a2, interrupt
+ wsr a2, intclear
+ movi a2, 0
+ wsr a2, ccompare1
+ wsr a2, ccompare2
+
+ movi a3, 20
+ rsr a2, ccount
+ addi a2, a2, 20
+ wsr a2, ccompare0
+ rsr a2, interrupt
+ assert eqi, a2, 0
+ loop a3, 1f
+ rsr a3, interrupt
+ bnez a3, 2f
+1:
+ test_fail
+2:
+test_end
+
+test ccompare0_interrupt
+ set_vector kernel, 2f
+ movi a2, 0
+ wsr a2, intenable
+ rsr a2, interrupt
+ wsr a2, intclear
+ movi a2, 0
+ wsr a2, ccompare1
+ wsr a2, ccompare2
+
+ movi a3, 20
+ rsr a2, ccount
+ addi a2, a2, 20
+ wsr a2, ccompare0
+ rsync
+ rsr a2, interrupt
+ assert eqi, a2, 0
+
+ movi a2, 0x40
+ wsr a2, intenable
+ rsil a2, 0
+ loop a3, 1f
+ nop
+1:
+ test_fail
+2:
+ rsr a2, exccause
+ assert eqi, a2, 4 /* LEVEL1_INTERRUPT_CAUSE */
+test_end
+
+test ccompare1_interrupt
+ set_vector level3, 2f
+ movi a2, 0
+ wsr a2, intenable
+ rsr a2, interrupt
+ wsr a2, intclear
+ movi a2, 0
+ wsr a2, ccompare0
+ wsr a2, ccompare2
+
+ movi a3, 20
+ rsr a2, ccount
+ addi a2, a2, 20
+ wsr a2, ccompare1
+ rsync
+ rsr a2, interrupt
+ assert eqi, a2, 0
+ movi a2, 0x400
+ wsr a2, intenable
+ rsil a2, 2
+ loop a3, 1f
+ nop
+1:
+ test_fail
+2:
+test_end
+
+test ccompare2_interrupt
+ set_vector level5, 2f
+ movi a2, 0
+ wsr a2, intenable
+ rsr a2, interrupt
+ wsr a2, intclear
+ movi a2, 0
+ wsr a2, ccompare0
+ wsr a2, ccompare1
+
+ movi a3, 20
+ rsr a2, ccount
+ addi a2, a2, 20
+ wsr a2, ccompare2
+ rsync
+ rsr a2, interrupt
+ assert eqi, a2, 0
+ movi a2, 0x2000
+ wsr a2, intenable
+ rsil a2, 4
+ loop a3, 1f
+ nop
+1:
+ test_fail
+2:
+test_end
+
+test ccompare_interrupt_masked
+ set_vector kernel, 2f
+ movi a2, 0
+ wsr a2, intenable
+ rsr a2, interrupt
+ wsr a2, intclear
+ movi a2, 0
+ wsr a2, ccompare2
+
+ movi a3, 40
+ rsr a2, ccount
+ addi a2, a2, 20
+ wsr a2, ccompare1
+ addi a2, a2, 20
+ wsr a2, ccompare0
+ rsync
+ rsr a2, interrupt
+ assert eqi, a2, 0
+
+ movi a2, 0x40
+ wsr a2, intenable
+ rsil a2, 0
+ loop a3, 1f
+ nop
+1:
+ test_fail
+2:
+ rsr a2, exccause
+ assert eqi, a2, 4 /* LEVEL1_INTERRUPT_CAUSE */
+test_end
+
+test ccompare_interrupt_masked_waiti
+ set_vector kernel, 2f
+ movi a2, 0
+ wsr a2, intenable
+ rsr a2, interrupt
+ wsr a2, intclear
+ movi a2, 0
+ wsr a2, ccompare2
+
+ movi a3, 40
+ rsr a2, ccount
+ addi a2, a2, 20
+ wsr a2, ccompare1
+ addi a2, a2, 20
+ wsr a2, ccompare0
+ rsync
+ rsr a2, interrupt
+ assert eqi, a2, 0
+
+ movi a2, 0x40
+ wsr a2, intenable
+ waiti 0
+ test_fail
+2:
+ rsr a2, exccause
+ assert eqi, a2, 4 /* LEVEL1_INTERRUPT_CAUSE */
+test_end
+
+test_suite_end