qemu-e2k/tests/tcg/xtensa/test_sr.S
Max Filippov 8164f14bb9 tests/tcg/xtensa: restore vecbase SR after test
Writing garbage into the vecbase SR results in hang in the subsequent
tests that expect to raise an exception. Restore vecbase SR to its
reset value after the test.

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

239 lines
4.0 KiB
ArmAsm

#include "macros.inc"
test_suite sr
#if XCHAL_HAVE_BE
#define LOW__SR 0x04
#define HI_RSR 0x30
#define HI_WSR 0x31
#define HI_XSR 0x16
#else
#define LOW__SR 0x40
#define HI_RSR 0x03
#define HI_WSR 0x13
#define HI_XSR 0x61
#endif
.macro sr_op sym, op_sym, op_byte, sr
.if \sym
\op_sym a4, \sr
.else
.byte LOW__SR, \sr, \op_byte
.endif
.endm
.macro test_sr_op sym, mask, op, op_byte, sr
movi a4, 0
.if (\mask)
set_vector kernel, 0
sr_op \sym, \op, \op_byte, \sr
.else
set_vector kernel, 2f
1:
sr_op \sym, \op, \op_byte, \sr
test_fail
2:
reset_ps
rsr a2, exccause
assert eqi, a2, 0
rsr a2, epc1
movi a3, 1b
assert eq, a2, a3
.endif
.endm
.macro test_sr_mask sr, sym, mask
test \sr
test_sr_op \sym, \mask & 1, rsr, HI_RSR, \sr
test_sr_op \sym, \mask & 2, wsr, HI_WSR, \sr
test_sr_op \sym, \mask & 4, xsr, HI_XSR, \sr
test_end
.endm
.macro test_sr sr, conf
test_sr_mask \sr, \conf, 7
.endm
#if XCHAL_HAVE_MAC16
test_sr acchi, 1
test_sr acclo, 1
#else
test_sr_mask /*acchi*/17, 0, 0
test_sr_mask /*acclo*/16, 0, 0
#endif
#if XCHAL_HAVE_S32C1I && XCHAL_HW_VERSION >= 230000
test_sr atomctl, 1
#else
test_sr_mask /*atomctl*/99, 0, 0
#endif
#if XCHAL_HAVE_BOOLEANS
test_sr br, 1
#else
test_sr_mask /*br*/4, 0, 0
#endif
test_sr_mask /*cacheattr*/98, 0, 0
#if XCHAL_HAVE_CCOUNT
test_sr ccompare0, 1
test_sr ccount, 1
#else
test_sr_mask /*ccompare0*/240, 0, 0
test_sr_mask /*ccount*/234, 0, 0
#endif
#if XCHAL_HAVE_CP
test_sr cpenable, 1
#else
test_sr_mask /*cpenable*/224, 0, 0
#endif
#if XCHAL_HAVE_DEBUG
#if XCHAL_NUM_DBREAK
test_sr dbreaka0, 1
test_sr dbreakc0, 1
#endif
test_sr_mask debugcause, 1, 1
#else
test_sr_mask /*dbreaka0*/144, 0, 0
test_sr_mask /*dbreakc0*/160, 0, 0
test_sr_mask /*debugcause*/233, 0, 0
#endif
test_sr depc, 1
#if XCHAL_HAVE_PTP_MMU
test_sr dtlbcfg, 1
#else
test_sr_mask /*dtlbcfg*/92, 0, 0
#endif
test_sr epc1, 1
#if XCHAL_NUM_INTLEVELS > 1
test_sr epc2, 1
test_sr eps2, 1
#else
test_sr_mask /*epc2*/178, 0, 0
test_sr_mask /*eps2*/194, 0, 0
#endif
test_sr exccause, 1
test_sr excsave1, 1
#if XCHAL_NUM_INTLEVELS > 1
test_sr excsave2, 1
#else
test_sr_mask /*excsave2*/210, 0, 0
#endif
test_sr excvaddr, 1
#if XCHAL_HAVE_DEBUG
#if XCHAL_NUM_IBREAK
test_sr ibreaka0, 1
test_sr ibreakenable, 1
#endif
test_sr icount, 1
test_sr icountlevel, 1
#else
test_sr_mask /*ibreaka0*/128, 0, 0
test_sr_mask /*ibreakenable*/96, 0, 0
test_sr_mask /*icount*/236, 0, 0
test_sr_mask /*icountlevel*/237, 0, 0
#endif
test_sr_mask /*intclear*/227, 0, 2
test_sr_mask /*interrupt*/226, 0, 3
test_sr intenable, 1
#if XCHAL_HAVE_PTP_MMU
test_sr itlbcfg, 1
#else
test_sr_mask /*itlbcfg*/91, 0, 0
#endif
#if XCHAL_HAVE_LOOPS
test_sr lbeg, 1
test_sr lcount, 1
test_sr lend, 1
#else
test_sr_mask /*lbeg*/0, 0, 0
test_sr_mask /*lcount*/2, 0, 0
test_sr_mask /*lend*/1, 0, 0
#endif
#if XCHAL_HAVE_ABSOLUTE_LITERALS
test_sr litbase, 1
#else
test_sr_mask /*litbase*/5, 0, 0
#endif
#if XCHAL_HAVE_MAC16
test_sr m0, 1
#else
test_sr_mask /*m0*/32, 0, 0
#endif
#if XCHAL_HW_VERSION >= 250000
test_sr_mask /*memctl*/97, 0, 7
#else
test_sr_mask /*memctl*/97, 0, 0
#endif
#if XCHAL_NUM_MISC_REGS
test_sr misc0, 1
#else
test_sr_mask /*misc0*/244, 0, 0
#endif
#if XCHAL_HAVE_PREFETCH
test_sr prefctl, 1
#else
test_sr_mask /*prefctl*/40, 0, 0
#endif
#if XCHAL_HAVE_PRID
test_sr_mask /*prid*/235, 0, 1
#else
test_sr_mask /*prid*/235, 0, 0
#endif
test_sr ps, 1
#if XCHAL_HAVE_PTP_MMU
test_sr ptevaddr, 1
test_sr rasid, 1
#else
test_sr_mask /*ptevaddr*/83, 0, 0
test_sr_mask /*rasid*/90, 0, 0
#endif
test_sr sar, 1
#if XCHAL_HAVE_S32C1I
test_sr scompare1, 1
#else
test_sr_mask /*scompare1*/12, 0, 0
#endif
#if XCHAL_HAVE_VECBASE
test_sr vecbase, 1
movi a2, XCHAL_VECBASE_RESET_VADDR
wsr a2, vecbase
#else
test_sr_mask /*vecbase*/231, 0, 0
#endif
#if XCHAL_HAVE_WINDOWED
test_sr windowbase, 1
test_sr windowstart, 1
#else
test_sr_mask /*windowbase*/72, 0, 0
test_sr_mask /*windowstart*/73, 0, 0
#endif
test_suite_end