| 1 | # |
| 2 | # Test the SVE registers are visible and changeable via gdbstub |
| 3 | # |
| 4 | # This is launched via tests/guest-debug/run-test.py |
| 5 | # |
| 6 | |
| 7 | import gdb |
| 8 | from test_gdbstub import main, report |
| 9 | |
| 10 | MAGIC = 0xDEADBEEF |
| 11 | |
| 12 | |
| 13 | def run_test(): |
| 14 | "Run through the tests one by one" |
| 15 | |
| 16 | gdb.execute("info registers") |
| 17 | report(True, "info registers") |
| 18 | |
| 19 | gdb.execute("info registers vector") |
| 20 | report(True, "info registers vector") |
| 21 | |
| 22 | # Now all the zregs |
| 23 | frame = gdb.selected_frame() |
| 24 | for i in range(0, 32): |
| 25 | rname = "z%d" % (i) |
| 26 | zreg = frame.read_register(rname) |
| 27 | report(True, "Reading %s" % rname) |
| 28 | for j in range(0, 4): |
| 29 | cmd = "set $%s.q.u[%d] = 0x%x" % (rname, j, MAGIC) |
| 30 | gdb.execute(cmd) |
| 31 | report(True, "%s" % cmd) |
| 32 | for j in range(0, 4): |
| 33 | reg = "$%s.q.u[%d]" % (rname, j) |
| 34 | v = gdb.parse_and_eval(reg) |
| 35 | report(str(v.type) == "uint128_t", "size of %s" % (reg)) |
| 36 | for j in range(0, 8): |
| 37 | cmd = "set $%s.d.u[%d] = 0x%x" % (rname, j, MAGIC) |
| 38 | gdb.execute(cmd) |
| 39 | report(True, "%s" % cmd) |
| 40 | for j in range(0, 8): |
| 41 | reg = "$%s.d.u[%d]" % (rname, j) |
| 42 | v = gdb.parse_and_eval(reg) |
| 43 | report(str(v.type) == "uint64_t", "size of %s" % (reg)) |
| 44 | report(int(v) == MAGIC, "%s is 0x%x" % (reg, MAGIC)) |
| 45 | |
| 46 | |
| 47 | main(run_test, expected_arch="aarch64") |