fridtjof/qemu-cr16
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

tests/tcg/aarch64: Add test case for SME2 gdbstub registers

Browse source 
Test the SME2 register exposure over gdbstub, in the same way
we already do for SME.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20251017153027.969016-4-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2025-10-17 16:30:27 +01:00
parent 7fd82461dd
commit caa0e96097
2 changed files with 44 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

9
tests/tcg/aarch64/Makefile.target
View file

@ -164,7 +164,14 @@ run-gdbstub-sysregs-sme-tile-slice: sysregs
"selected gdb ($(GDB)) does not support SME ZA tile slices")
endif
EXTRA_RUNS += run-gdbstub-sysregs-sme run-gdbstub-sysregs-sme-tile-slice
run-gdbstub-sysregs-sme2: sysregs
$(call run-test, $@, $(GDB_SCRIPT) \
--gdb $(GDB) \
--qemu $(QEMU) --qargs "$(QEMU_OPTS)" \
--bin $< --test $(AARCH64_SRC)/gdbstub/test-sme2.py, \
gdbstub SME ZA tile slice support)
EXTRA_RUNS += run-gdbstub-sysregs-sme run-gdbstub-sysregs-sme-tile-slice run-gdbstub-sysregs-sme2
endif

36
tests/tcg/aarch64/gdbstub/test-sme2.py Normal file
View file

@ -0,0 +1,36 @@
#
# Copyright (C) 2025 Linaro Ltd.
#
# SPDX-License-Identifier: GPL-2.0-or-later
#
# Test the SME2 registers are visible and changeable via gdbstub
#
# This is launched via tests/guest-debug/run-test.py
#
import gdb
from test_gdbstub import main, report
def run_test():
"""Test reads and writes of the SME2 registers"""
frame = gdb.selected_frame()
rname = "zt0"
zt0 = frame.read_register(rname)
report(True, "Reading %s" % rname)
# Writing to the ZT0 register, byte by byte.
for i in range(0, 64):
cmd = "set $zt0[%d] = 0x01" % (i)
gdb.execute(cmd)
report(True, "%s" % cmd)
# Reading from the ZT0 register, byte by byte.
for i in range(0, 64):
reg = "$zt0[%d]" % (i)
v = gdb.parse_and_eval(reg)
report(str(v.type) == "uint8_t", "size of %s" % (reg))
report(v == 0x1, "%s is 0x%x" % (reg, 0x1))
main(run_test, expected_arch="aarch64")