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59 lines
1.8 KiB
Python
59 lines
1.8 KiB
Python
#
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# Test the SVE ZReg reports the right amount of data. It uses the
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# sve-ioctl test and examines the register data each time the
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# __sve_ld_done breakpoint is hit.
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#
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# This is launched via tests/guest-debug/run-test.py
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#
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import gdb
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from test_gdbstub import main, report
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initial_vlen = 0
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class TestBreakpoint(gdb.Breakpoint):
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def __init__(self, sym_name="__sve_ld_done"):
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super(TestBreakpoint, self).__init__(sym_name)
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# self.sym, ok = gdb.lookup_symbol(sym_name)
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def stop(self):
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val_i = gdb.parse_and_eval('i')
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global initial_vlen
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try:
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for i in range(0, int(val_i)):
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val_z = gdb.parse_and_eval("$z0.b.u[%d]" % i)
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report(int(val_z) == i, "z0.b.u[%d] == %d" % (i, i))
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for i in range(i + 1, initial_vlen):
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val_z = gdb.parse_and_eval("$z0.b.u[%d]" % i)
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report(int(val_z) == 0, "z0.b.u[%d] == 0" % (i))
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except gdb.error:
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report(False, "checking zregs (out of range)")
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# Check the aliased V registers are set and GDB has correctly
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# created them for us having recognised and handled SVE.
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try:
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for i in range(0, 16):
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val_z = gdb.parse_and_eval("$z0.b.u[%d]" % i)
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val_v = gdb.parse_and_eval("$v0.b.u[%d]" % i)
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report(int(val_z) == int(val_v),
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"v0.b.u[%d] == z0.b.u[%d]" % (i, i))
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except gdb.error:
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report(False, "checking vregs (out of range)")
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def run_test():
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"Run through the tests one by one"
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print ("Setup breakpoint")
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bp = TestBreakpoint()
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global initial_vlen
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vg = gdb.parse_and_eval("$vg")
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initial_vlen = int(vg) * 8
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gdb.execute("c")
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main(run_test, expected_arch="aarch64")
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