qemu/tests/tcg/xtensa/test_interrupt.S

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5.1 KiB
ArmAsm
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#include "macros.inc"
#define LSBIT(v) ((v) & -(v))
#define LEVEL_MASK(x) glue3(XCHAL_INTLEVEL, x, _MASK)
#define LEVEL_SOFT_MASK(x) (LEVEL_MASK(x) & XCHAL_INTTYPE_MASK_SOFTWARE)
#define L1_SOFT_MASK LEVEL_SOFT_MASK(1)
#define L1_SOFT LSBIT(L1_SOFT_MASK)
#if LEVEL_SOFT_MASK(2)
#define HIGH_LEVEL_SOFT_MASK LEVEL_SOFT_MASK(2)
#elif LEVEL_SOFT_MASK(3)
#define HIGH_LEVEL_SOFT_MASK LEVEL_SOFT_MASK(3)
#elif LEVEL_SOFT_MASK(4)
#define HIGH_LEVEL_SOFT_MASK LEVEL_SOFT_MASK(4)
#elif LEVEL_SOFT_MASK(5)
#define HIGH_LEVEL_SOFT_MASK LEVEL_SOFT_MASK(5)
#elif LEVEL_SOFT_MASK(6)
#define HIGH_LEVEL_SOFT_MASK LEVEL_SOFT_MASK(6)
#else
#define HIGH_LEVEL_SOFT_MASK 0
#endif
#define HIGH_LEVEL_SOFT LSBIT(HIGH_LEVEL_SOFT_MASK)
#if LEVEL_SOFT_MASK(2)
#define HIGH_LEVEL_SOFT_LEVEL 2
#elif LEVEL_SOFT_MASK(3)
#define HIGH_LEVEL_SOFT_LEVEL 3
#elif LEVEL_SOFT_MASK(4)
#define HIGH_LEVEL_SOFT_LEVEL 4
#elif LEVEL_SOFT_MASK(5)
#define HIGH_LEVEL_SOFT_LEVEL 5
#elif LEVEL_SOFT_MASK(6)
#define HIGH_LEVEL_SOFT_LEVEL 6
#else
#define HIGH_LEVEL_SOFT_LEVEL 0
#endif
test_suite interrupt
#if XCHAL_HAVE_INTERRUPTS
.macro clear_interrupts
movi a2, 0
wsr a2, intenable
#if XCHAL_NUM_TIMERS
wsr a2, ccompare0
#endif
#if XCHAL_NUM_TIMERS > 1
wsr a2, ccompare1
#endif
#if XCHAL_NUM_TIMERS > 2
wsr a2, ccompare2
#endif
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
#if L1_SOFT
test soft_disabled
set_vector kernel, 1f
clear_interrupts
movi a2, L1_SOFT
wsr a2, intset
esync
rsr a3, interrupt
movi a4, ~XCHAL_INTTYPE_MASK_TIMER
and a3, a3, a4
assert eq, a2, a3
wsr a2, intclear
esync
rsr a3, interrupt
and a3, a3, a4
assert eqi, a3, 0
j 2f
1:
test_fail
2:
test_end
test soft_intenable
set_vector kernel, 1f
clear_interrupts
movi a2, L1_SOFT
wsr a2, intset
esync
rsr a3, interrupt
movi a4, ~XCHAL_INTTYPE_MASK_TIMER
and a3, a3, a4
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, L1_SOFT
wsr a2, intset
esync
rsr a3, interrupt
movi a4, ~XCHAL_INTTYPE_MASK_TIMER
and a3, a3, a4
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, L1_SOFT
wsr a2, intset
esync
rsr a3, interrupt
movi a4, ~XCHAL_INTTYPE_MASK_TIMER
and a3, a3, a4
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, L1_SOFT
wsr a2, intset
esync
rsr a3, interrupt
movi a4, ~XCHAL_INTTYPE_MASK_TIMER
and a3, a3, a4
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
#if HIGH_LEVEL_SOFT
test soft_priority
set_vector kernel, 1f
set_vector glue(level, HIGH_LEVEL_SOFT_LEVEL), 2f
clear_interrupts
movi a2, L1_SOFT | HIGH_LEVEL_SOFT
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, 0x10 | HIGH_LEVEL_SOFT_LEVEL
assert eq, a2, a3 /* EXCM and INTMASK are set
for high-priority interrupt */
test_end
#endif
#endif
#if HIGH_LEVEL_SOFT
test eps_epc_rfi
set_vector glue(level, HIGH_LEVEL_SOFT_LEVEL), 3f
clear_interrupts
reset_ps
movi a2, L1_SOFT_MASK | HIGH_LEVEL_SOFT_MASK
wsr a2, intenable
rsil a3, 0
rsr a3, ps
esync
wsr a2, intset
1:
esync
2:
test_fail
3:
rsr a2, glue(eps, HIGH_LEVEL_SOFT_LEVEL)
assert eq, a2, a3
rsr a2, glue(epc, HIGH_LEVEL_SOFT_LEVEL)
movi a3, 1b
assert ge, a2, a3
movi a3, 2b
assert ge, a3, a2
movi a2, 4f
wsr a2, glue(epc, HIGH_LEVEL_SOFT_LEVEL)
movi a2, 0x40000 | HIGH_LEVEL_SOFT_LEVEL
wsr a2, glue(eps, HIGH_LEVEL_SOFT_LEVEL)
rfi HIGH_LEVEL_SOFT_LEVEL
test_fail
4:
rsr a2, ps
movi a3, 0x40000 | HIGH_LEVEL_SOFT_LEVEL
assert eq, a2, a3
test_end
#endif
#endif
test_suite_end