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WIP: m1n1.hv: add support for starting CPUs on the second M1 Ultra die

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notes:
 - macos guest only works if the display is not initialized
 - macos guest appears to be very slow

Signed-off-by: Janne Grunau <j@jannau.net>
This commit is contained in:
Janne Grunau 2022-04-05 23:45:17 +02:00 committed by Hector Martin
parent 6df73d80ee
commit d4637513e0
1 changed files with 12 additions and 8 deletions
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20
proxyclient/m1n1/hv.py
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@ -1167,21 +1167,25 @@ class HV(Reloadable):
self.log(f"CPUSTART W {base:x}+{off:x}:{width} = 0x{data:x}")
if off >= 8:
assert width == 32
die = base // 0x20_0000_0000
cluster = (off - 8) // 4
for i in range(32):
if data & (1 << i):
self.start_secondary(cluster, i)
self.start_secondary(die, cluster, i)
PMGR_CPU_START = 0x54000
zone = irange(pmgr0_start + PMGR_CPU_START, 0x20)
self.map_hook(pmgr0_start + PMGR_CPU_START, 0x20, write=cpustart_wh)
self.add_tracer(zone, "CPU_START", TraceMode.RESERVED)
die_count = self.adt["/arm-io"].die_count if hasattr(self.adt["/arm-io"], "die-count") else 1
def start_secondary(self, cluster, cpu):
self.log(f"Starting guest secondary {cluster}:{cpu}")
for die in range(0, die_count):
PMGR_CPU_START = 0x54000 + die * 0x20_0000_0000
zone = irange(pmgr0_start + PMGR_CPU_START, 0x20)
self.map_hook(pmgr0_start + PMGR_CPU_START, 0x20, write=cpustart_wh)
self.add_tracer(zone, "CPU_START", TraceMode.RESERVED)
def start_secondary(self, die, cluster, cpu):
self.log(f"Starting guest secondary {die}:{cluster}:{cpu}")
for node in list(self.adt["cpus"]):
if ((cluster << 8) | cpu) == node.reg:
if ((die << 11) | (cluster << 8) | cpu) == node.reg:
break
else:
self.log("CPU not found!")