Add qemu 2.4.0

[kvmfornfv.git] / qemu / tests / tcg / xtensa / test_interrupt.S

diff --git a/qemu/tests/tcg/xtensa/test_interrupt.S b/qemu/tests/tcg/xtensa/test_interrupt.S
new file mode 100644 (file)
index 0000000..334ddab
--- /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