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m1n1.hv: Handle MMIO/PMGR hooks dynamically

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This makes m1n1 boot all the way on t6000

Signed-off-by: Hector Martin <marcan@marcan.st>
This commit is contained in:
Hector Martin 2021-11-02 15:28:19 +09:00
parent 08f90e6dd6
commit 075168c233
1 changed files with 28 additions and 10 deletions
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38
proxyclient/m1n1/hv.py
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@ -983,8 +983,10 @@ class HV(Reloadable):
self.iface.set_event_handler(EVENT.MMIOTRACE, self.handle_mmiotrace)
self.iface.set_event_handler(EVENT.IRQTRACE, self.handle_irqtrace)
# Map MMIO range as HW by default)
self.add_tracer(range(0x2_00000000, 0x7_00000000), "HW", TraceMode.OFF)
# Map MMIO ranges as HW by default
for r in self.adt["/arm-io"].ranges:
print(f"Mapping MMIO range: {r.parent_addr:#x} .. {r.parent_addr + r.size:#x}")
self.add_tracer(irange(r.parent_addr, r.size), "HW", TraceMode.OFF)
hcr = HCR(self.u.mrs(HCR_EL2))
if self.novm:
@ -1063,17 +1065,33 @@ class HV(Reloadable):
self.log(f"PMGR R {base:x}+{off:x}:{width} = 0x{data:x} -> 0x{ret:x}")
return ret
pmgr0_start, _ = self.adt["/arm-io/pmgr"].get_reg(0)
pmgr_hooks = (0x23b7001c0, 0x23b700220, 0x23b700270) # UART0
if self.iodev == IODEV.USB0:
pmgr_hooks += (0x23d280098, 0x23d280088)
atc = "ATC0_USB"
elif self.iodev == IODEV.USB1:
pmgr_hooks += (0x23d2800a0, 0x23d280090)
atc = "ATC1_USB"
# XNU bug workaround: don't let ATCx_COMMON power down or reset
pmgr_hooks += (0x23b700420, 0x23b700448)
hook_devs = ["UART0", atc]
pmgr = self.adt["/arm-io/pmgr"]
dev_by_name = {dev.name: dev for dev in pmgr.devices}
dev_by_id = {dev.id: dev for dev in pmgr.devices}
pmgr_hooks = []
def hook_pmgr_dev(dev):
ps = pmgr.ps_regs[dev.psreg]
if dev.psidx or dev.psreg:
addr = pmgr.get_reg(ps.reg)[0] + ps.offset + dev.psidx * 8
pmgr_hooks.append(addr)
for idx in dev.parents:
if idx in dev_by_id:
hook_pmgr_dev(dev_by_id[idx])
for name in hook_devs:
dev = dev_by_name[name]
hook_pmgr_dev(dev)
pmgr0_start = pmgr.get_reg(0)[0]
for addr in pmgr_hooks:
self.map_hook(addr, 4, write=wh, read=rh)