qemu-e2k/tests/tcg/xtensa/test_break.S
Max Filippov 64407f6a9e tests/tcg/xtensa: fix watchpoint test
xtensa core may have only one set of DBREAKA/DBREAKC registers. Don't
hardcode register numbers in the test as 0 and 1, use macros that only
index valid DBREAK* registers.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2022-05-06 15:27:40 -07:00

273 lines
6.2 KiB
ArmAsm

#include "macros.inc"
test_suite break
#if XCHAL_HAVE_DEBUG
#define debug_level XCHAL_DEBUGLEVEL
#define debug_vector glue(level, XCHAL_DEBUGLEVEL)
#define EPC_DEBUG glue(epc, XCHAL_DEBUGLEVEL)
test break
set_vector debug_vector, 0
rsil a2, debug_level
_break 0, 0
set_vector debug_vector, 2f
rsil a2, debug_level - 1
1:
_break 0, 0
test_fail
2:
rsr a2, ps
movi a3, 0x1f
and a2, a2, a3
movi a3, 0x10 | debug_level
assert eq, a2, a3
rsr a2, EPC_DEBUG
movi a3, 1b
assert eq, a2, a3
rsr a2, debugcause
movi a3, 0x8
assert eq, a2, a3
test_end
test breakn
set_vector debug_vector, 0
rsil a2, debug_level
_break.n 0
set_vector debug_vector, 2f
rsil a2, debug_level - 1
1:
_break.n 0
test_fail
2:
rsr a2, ps
movi a3, 0x1f
and a2, a2, a3
movi a3, 0x10 | debug_level
assert eq, a2, a3
rsr a2, EPC_DEBUG
movi a3, 1b
assert eq, a2, a3
rsr a2, debugcause
movi a3, 0x10
assert eq, a2, a3
test_end
#if XCHAL_NUM_IBREAK
test ibreak
set_vector debug_vector, 0
rsil a2, debug_level
movi a2, 1f
wsr a2, ibreaka0
movi a2, 1
wsr a2, ibreakenable
isync
1:
rsil a2, debug_level - 1
movi a2, 1f
wsr a2, ibreaka0
movi a2, 0
wsr a2, ibreakenable
isync
1:
set_vector debug_vector, 2f
movi a2, 1f
wsr a2, ibreaka0
movi a2, 1
wsr a2, ibreakenable
isync
1:
test_fail
2:
rsr a2, ps
movi a3, 0x1f
and a2, a2, a3
movi a3, 0x10 | debug_level
assert eq, a2, a3
rsr a2, EPC_DEBUG
movi a3, 1b
assert eq, a2, a3
rsr a2, debugcause
movi a3, 0x2
assert eq, a2, a3
test_end
test ibreak_remove
set_vector debug_vector, 3f
rsil a2, debug_level - 1
movi a2, 2f
wsr a2, ibreaka0
movi a3, 1
1:
wsr a3, ibreakenable
isync
2:
beqz a3, 4f
test_fail
3:
assert eqi, a3, 1
rsr a2, ps
movi a3, 0x1f
and a2, a2, a3
movi a3, 0x10 | debug_level
assert eq, a2, a3
rsr a2, EPC_DEBUG
movi a3, 2b
assert eq, a2, a3
rsr a2, debugcause
movi a3, 0x2
assert eq, a2, a3
movi a2, 0x40000
wsr a2, ps
isync
movi a3, 0
j 1b
4:
test_end
test ibreak_priority
set_vector debug_vector, 2f
rsil a2, debug_level - 1
movi a2, 1f
wsr a2, ibreaka0
movi a2, 1
wsr a2, ibreakenable
isync
1:
break 0, 0
test_fail
2:
rsr a2, debugcause
movi a3, 0x2
assert eq, a2, a3
test_end
#endif
test icount
set_vector debug_vector, 2f
rsil a2, debug_level - 1
movi a2, -2
wsr a2, icount
movi a2, 1
wsr a2, icountlevel
isync
rsil a2, 0
nop
1:
break 0, 0
test_fail
2:
movi a2, 0
wsr a2, icountlevel
rsr a2, EPC_DEBUG
movi a3, 1b
assert eq, a2, a3
rsr a2, debugcause
movi a3, 0x1
assert eq, a2, a3
test_end
.macro check_dbreak dr
rsr a2, EPC_DEBUG
movi a3, 1b
assert eq, a2, a3
rsr a2, debugcause
movi a3, 0x4 | (\dr << 8)
assert eq, a2, a3
movi a2, 0
wsr a2, dbreakc\dr
.endm
.macro dbreak_test dr, ctl, break, access, op
set_vector debug_vector, 2f
rsil a2, debug_level - 1
movi a2, \ctl
wsr a2, dbreakc\dr
movi a2, \break
wsr a2, dbreaka\dr
movi a2, \access
isync
1:
\op a3, a2, 0
test_fail
2:
check_dbreak \dr
reset_ps
.endm
#if XCHAL_NUM_DBREAK
#define DB0 0
#if XCHAL_NUM_DBREAK > 1
#define DB1 1
#else
#define DB1 0
#endif
test dbreak_exact
dbreak_test DB0, 0x4000003f, 0xd000007f, 0xd000007f, l8ui
dbreak_test DB1, 0x4000003e, 0xd000007e, 0xd000007e, l16ui
dbreak_test DB0, 0x4000003c, 0xd000007c, 0xd000007c, l32i
dbreak_test DB1, 0x8000003f, 0xd000007f, 0xd000007f, s8i
dbreak_test DB0, 0x8000003e, 0xd000007e, 0xd000007e, s16i
dbreak_test DB1, 0x8000003c, 0xd000007c, 0xd000007c, s32i
test_end
test DBdbreak_overlap
dbreak_test DB0, 0x4000003f, 0xd000007d, 0xd000007c, l16ui
dbreak_test DB1, 0x4000003f, 0xd000007d, 0xd000007c, l32i
dbreak_test DB0, 0x4000003e, 0xd000007e, 0xd000007f, l8ui
dbreak_test DB1, 0x4000003e, 0xd000007e, 0xd000007c, l32i
dbreak_test DB0, 0x4000003c, 0xd000007c, 0xd000007d, l8ui
dbreak_test DB1, 0x4000003c, 0xd000007c, 0xd000007c, l16ui
dbreak_test DB0, 0x40000038, 0xd0000078, 0xd000007b, l8ui
dbreak_test DB1, 0x40000038, 0xd0000078, 0xd000007a, l16ui
dbreak_test DB0, 0x40000038, 0xd0000078, 0xd000007c, l32i
dbreak_test DB1, 0x40000030, 0xd0000070, 0xd0000075, l8ui
dbreak_test DB0, 0x40000030, 0xd0000070, 0xd0000076, l16ui
dbreak_test DB1, 0x40000030, 0xd0000070, 0xd0000078, l32i
dbreak_test DB0, 0x40000020, 0xd0000060, 0xd000006f, l8ui
dbreak_test DB1, 0x40000020, 0xd0000060, 0xd0000070, l16ui
dbreak_test DB0, 0x40000020, 0xd0000060, 0xd0000074, l32i
dbreak_test DB0, 0x8000003f, 0xd000007d, 0xd000007c, s16i
dbreak_test DB1, 0x8000003f, 0xd000007d, 0xd000007c, s32i
dbreak_test DB0, 0x8000003e, 0xd000007e, 0xd000007f, s8i
dbreak_test DB1, 0x8000003e, 0xd000007e, 0xd000007c, s32i
dbreak_test DB0, 0x8000003c, 0xd000007c, 0xd000007d, s8i
dbreak_test DB1, 0x8000003c, 0xd000007c, 0xd000007c, s16i
dbreak_test DB0, 0x80000038, 0xd0000078, 0xd000007b, s8i
dbreak_test DB1, 0x80000038, 0xd0000078, 0xd000007a, s16i
dbreak_test DB0, 0x80000038, 0xd0000078, 0xd000007c, s32i
dbreak_test DB1, 0x80000030, 0xd0000070, 0xd0000075, s8i
dbreak_test DB0, 0x80000030, 0xd0000070, 0xd0000076, s16i
dbreak_test DB1, 0x80000030, 0xd0000070, 0xd0000078, s32i
dbreak_test DB0, 0x80000020, 0xd0000060, 0xd000006f, s8i
dbreak_test DB1, 0x80000020, 0xd0000060, 0xd0000070, s16i
dbreak_test DB0, 0x80000020, 0xd0000060, 0xd0000074, s32i
test_end
test DBdbreak_invalid
dbreak_test DB0, 0x40000030, 0xd0000071, 0xd0000070, l16ui
dbreak_test DB1, 0x40000035, 0xd0000072, 0xd0000070, l32i
test_end
#endif
#endif
test_suite_end