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-rw-r--r--qemu/tests/tcg/xtensa/test_interrupt.S194
1 files changed, 194 insertions, 0 deletions
diff --git a/qemu/tests/tcg/xtensa/test_interrupt.S b/qemu/tests/tcg/xtensa/test_interrupt.S
new file mode 100644
index 000000000..334ddab28
--- /dev/null
+++ b/qemu/tests/tcg/xtensa/test_interrupt.S
@@ -0,0 +1,194 @@
+#include "macros.inc"
+
+test_suite interrupt
+
+.macro clear_interrupts
+ movi a2, 0
+ wsr a2, intenable
+ wsr a2, ccompare0
+ wsr a2, ccompare1
+ wsr a2, ccompare2
+ esync
+ rsr a2, interrupt
+ wsr a2, intclear
+
+ esync
+ rsr a2, interrupt
+ assert eqi, a2, 0
+.endm
+
+.macro check_l1
+ rsr a2, ps
+ movi a3, 0x1f /* EXCM | INTMASK */
+ and a2, a2, a3
+ assert eqi, a2, 0x10 /* only EXCM is set for level-1 interrupt */
+ rsr a2, exccause
+ assert eqi, a2, 4
+.endm
+
+test rsil
+ clear_interrupts
+
+ rsr a2, ps
+ rsil a3, 7
+ rsr a4, ps
+ assert eq, a2, a3
+ movi a2, 0xf
+ and a2, a4, a2
+ assert eqi, a2, 7
+ xor a3, a3, a4
+ movi a2, 0xfffffff0
+ and a2, a3, a2
+ assert eqi, a2, 0
+test_end
+
+test soft_disabled
+ set_vector kernel, 1f
+ clear_interrupts
+
+ movi a2, 0x80
+ wsr a2, intset
+ esync
+ rsr a3, interrupt
+ assert eq, a2, a3
+ wsr a2, intclear
+ esync
+ rsr a3, interrupt
+ assert eqi, a3, 0
+ j 2f
+1:
+ test_fail
+2:
+test_end
+
+test soft_intenable
+ set_vector kernel, 1f
+ clear_interrupts
+
+ movi a2, 0x80
+ wsr a2, intset
+ esync
+ rsr a3, interrupt
+ assert eq, a2, a3
+ rsil a3, 0
+ wsr a2, intenable
+ esync
+ test_fail
+1:
+ check_l1
+test_end
+
+test soft_rsil
+ set_vector kernel, 1f
+ clear_interrupts
+
+ movi a2, 0x80
+ wsr a2, intset
+ esync
+ rsr a3, interrupt
+ assert eq, a2, a3
+ wsr a2, intenable
+ rsil a3, 0
+ esync
+ test_fail
+1:
+ check_l1
+test_end
+
+test soft_waiti
+ set_vector kernel, 1f
+ clear_interrupts
+
+ movi a2, 0x80
+ wsr a2, intset
+ esync
+ rsr a3, interrupt
+ assert eq, a2, a3
+ wsr a2, intenable
+ waiti 0
+ test_fail
+1:
+ check_l1
+test_end
+
+test soft_user
+ set_vector kernel, 1f
+ set_vector user, 2f
+ clear_interrupts
+
+ movi a2, 0x80
+ wsr a2, intset
+ esync
+ rsr a3, interrupt
+ assert eq, a2, a3
+ wsr a2, intenable
+
+ rsr a2, ps
+ movi a3, 0x20
+ or a2, a2, a3
+ wsr a2, ps
+ waiti 0
+1:
+ test_fail
+2:
+ check_l1
+test_end
+
+test soft_priority
+ set_vector kernel, 1f
+ set_vector level3, 2f
+ clear_interrupts
+
+ movi a2, 0x880
+ wsr a2, intenable
+ rsil a3, 0
+ esync
+ wsr a2, intset
+ esync
+1:
+ test_fail
+2:
+ rsr a2, ps
+ movi a3, 0x1f /* EXCM | INTMASK */
+ and a2, a2, a3
+ movi a3, 0x13
+ assert eq, a2, a3 /* EXCM and INTMASK are set
+ for high-priority interrupt */
+test_end
+
+test eps_epc_rfi
+ set_vector level3, 3f
+ clear_interrupts
+ reset_ps
+
+ movi a2, 0x880
+ wsr a2, intenable
+ rsil a3, 0
+ rsr a3, ps
+ esync
+ wsr a2, intset
+1:
+ esync
+2:
+ test_fail
+3:
+ rsr a2, eps3
+ assert eq, a2, a3
+ rsr a2, epc3
+ movi a3, 1b
+ assert ge, a2, a3
+ movi a3, 2b
+ assert ge, a3, a2
+ movi a2, 4f
+ wsr a2, epc3
+ movi a2, 0x40003
+ wsr a2, eps3
+ rfi 3
+ test_fail
+4:
+ rsr a2, ps
+ movi a3, 0x40003
+ assert eq, a2, a3
+test_end
+
+test_suite_end