diff options
Diffstat (limited to 'src/tests/tcg/xtensa/test_interrupt.S')
| -rw-r--r-- | src/tests/tcg/xtensa/test_interrupt.S | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/src/tests/tcg/xtensa/test_interrupt.S b/src/tests/tcg/xtensa/test_interrupt.S new file mode 100644 index 0000000..334ddab --- /dev/null +++ b/src/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 |
