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Author SHA1 Message Date
Hector Martin
f7063e6f06 m1n1.trace.Tracer: Multiple bugfixes 
- Set ident properly before looking up cache
- Off-by-one error in regmap lookups
- Reload regmap classes on reload

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-21 16:24:04 +09:00
Hector Martin
035aa486d6 m1n1.hv: Properly update current shell globals after run_script() 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-21 16:19:43 +09:00
Hector Martin
a714c74e1a m1n1.utils.Reloadable: Only reload each module once 
This avoids confusion with types changing ID when the same module is
repeatedly reloaded. Now we use the file mtime and only reload things
which have changed since last time, and dependent modules.

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-21 16:00:00 +09:00
Alyssa Rosenzweig
ba478f2de5 mini.hv.dcp: Decode common messages 
This accounts for most of the DCP traffic once macOS is booted. I used
a sophisticated side-channel hypervisor timing attack to determine the
message functions [ adding time.sleep(1) ]

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
 2021-06-21 14:02:25 +09:00
Alyssa Rosenzweig
6adf0c692c mini.trace.asc: Don't log handled messages 
ASC handlers now return a boolean to indicate whether they successfully
handled the message (True if so). In that case, printing the underlying
mailbox traffic is redundant, so let's hide it.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
 2021-06-21 14:02:25 +09:00
Hector Martin
86e233931e m1n1.trace.asc: Add core endpoint numbers 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-21 02:51:46 +09:00
Hector Martin
e4a591d81a m1n1.trace.asc: Fix MSG_EP_MAP.LAST 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-21 02:49:55 +09:00
Hector Martin
71cdcb9bef ASCTracer: Fix subclassing 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-21 02:43:01 +09:00
Hector Martin
dbeb174ac9 m1n1.hv: Don't die on ^C in the shell 2021-06-21 02:34:07 +09:00
Hector Martin
03ceed3a97 m1n1.hv: Fix map_hook_idx read/write options 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-21 02:06:22 +09:00
Hector Martin
7632a57ff3 m1n1.trace.asc: Implement basic message handling/dispatch 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-21 02:05:36 +09:00
Hector Martin
8a0125ac17 m1n1.trce.gpio: Use new register arrays 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-21 02:05:08 +09:00
Hector Martin
86154a8194 dart_dump.py: Use new 2D register arrays 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-21 02:04:35 +09:00
Hector Martin
2e250df645 run_guest.py: Don't die if -m or -c fails, bring up a shell instead. 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-21 02:04:09 +09:00
Hector Martin
0a3bd5c91b m1n1.utils: Add support for multidimensional reg arrays in RegMap 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-21 02:03:18 +09:00
Hector Martin
9e42f4fc0f m1n1.trace: Add a state stash to Tracer that persists 
This allows Tracers to keep internal state around even across complete
re-instantiations.

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-21 02:02:05 +09:00
Hector Martin
7090138779 m1n1.utils: Make Register sub-subclasses work, optimize 
Now figures out the fields/etc in a metaclass, not at object
instantiation time.

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-21 02:01:07 +09:00
Hector Martin
8d61a81bed m1n1.hv: Wrap tracer calls in a shell to handle exceptions 
This allows you to fix a tracer and retry ('cont' or ^D) or skip
('skip') its execution.

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-21 01:58:47 +09:00
Hector Martin
7c19dcc33f m1n1.hv: Handle symbol addresses properly for Linux 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-19 21:51:36 +09:00
Hector Martin
8197538078 m1n1.hv: Add System.map support and make pac_mask configurable 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-19 15:53:14 +09:00
Janne Grunau
36dcc1b8f3 hv.py: remove only the used USB-C port from the ADT 
Signed-off-by: Janne Grunau <j@jannau.net>
 2021-06-18 14:26:54 +09:00
Janne Grunau
bbd2cf8710 hv.py: hook USB-C port specific pmgr addresses 
Allows running HV over each USB-C port of a Mac Mini with Mac OS as
guest.

Signed-off-by: Janne Grunau <j@jannau.net>
 2021-06-18 14:26:54 +09:00
Janne Grunau
d88e255c56 hv.py: remove secondary CPU cores unconditionally from the ADT 
Signed-off-by: Janne Grunau <j@jannau.net>
 2021-06-18 14:26:54 +09:00
Janne Grunau
98076ef693 usb: disable tps6598x interrupts 
Restore the interrupt masks on chainload or HV guest start. The
interrupt mask is not restored on the USB-C port used by the hypervisor.
This prevents an interrupt storm in the guest when the other USB-C port
is exposed to the guest. Both tps6598x share unfortunately an interrupt
line.

Signed-off-by: Janne Grunau <j@jannau.net>
 2021-06-18 14:26:54 +09:00
Janne Grunau
de82209079 m1n1.trace.gpio: convert GPIOTracer to new framework 
Signed-off-by: Janne Grunau <j@jannau.net>
 2021-06-18 14:23:23 +09:00
Janne Grunau
ccd765464d m1n1.utils: fix RegMap range lookup 
Signed-off-by: Janne Grunau <j@jannau.net>
 2021-06-18 14:23:23 +09:00
Hector Martin
cb6d1f58a2 m1n1.trace.asc: Initial ASCTracer implementation 
A tracer for the ASC coprocessor mailbox interface.

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-18 02:24:55 +09:00
Hector Martin
b3526bd667 m1n1.trace: Implement RegMap-based tracing & ADTDevTracer 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-18 02:23:56 +09:00
Hector Martin
2784f48a24 m1n1.hv: Fix MMIO handling bugs 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-18 02:23:08 +09:00
Hector Martin
1213ec4173 m1n1.utils: Improve RegMap lookup functions 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-18 02:22:27 +09:00
Hector Martin
94db82f8a0 m1n1.hv: Reload shell globals when reloading class 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-18 02:22:06 +09:00
Hector Martin
332e7e22e7 m1n1.utils: Improve Reloadable, add cls._reloadcls() 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-18 02:21:09 +09:00
Hector Martin
0ee96c7ffd m1n1.proxutils: Add ProxyUtils.{read,write} 
These implement generic-size read/write. Use them for hypervisor MMIO
handling and for regmaps.

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-18 02:19:39 +09:00
Hector Martin
990f5b3995 m1n1.hv: Complete TraceMode.SYNC/HOOK support 
Also fix a nasty bug in legacy/bare map_hook() support

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-17 20:35:57 +09:00
Hector Martin
cdbc07e74c m1n1.utils: Add Register.copy() 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-17 20:35:26 +09:00
Hector Martin
e218129931 m1n1.utils: Introduce Reloadable class for magic live-reloading 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-17 20:34:54 +09:00
Hector Martin
2f68012d6c m1n1.hv: Show ident for RESERVED page table mappings 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-17 02:32:46 +09:00
Hector Martin
49dad3b9ff m1n1.hv: Rework MMIO PT handling & tracing 
Now keeps track of the requested MMIO maps in a DictRangeMap, which is
then flattened to HV page table updates.

TODO: HOOK/SYNC codepaths

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-17 02:00:32 +09:00
Hector Martin
228033f9ce m1n1.hv: Make map_hw() fall back to map_sw() for unaligned cases 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-17 01:59:35 +09:00
Hector Martin
db928acd61 m1n1.utils: RangeMap fixes & improvements, add BoolRangeMap 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-17 01:57:57 +09:00
Hector Martin
69745c3310 m1n1.utils: Add align_up() and align_down() 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-17 01:57:35 +09:00
Hector Martin
526cd8a55e m1n1.utils: Register: Keep fields sorted in __str__/__repr__ 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-16 02:53:02 +09:00
Hector Martin
bb6ef8caa1 experiments/dart_dump.py: Port to RegMap 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-16 02:52:51 +09:00
Hector Martin
234051df1c m1n1.utils: Add RegMap base class 
This metaclass voodoo allows us to define register maps like this:

class SomeDevice(RegMap):
    FOO = 0x0000, Register32
    BAR = 0x0004, Register32
    # Register array
    BAZ = range(0x100, 0x200, 4), Register32

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-16 02:29:46 +09:00
Hector Martin
53dcba6f25 m1n1.utils: RangeMap improvements, add {Scalar,Dict,Set}RangeMap 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-16 02:29:30 +09:00
Hector Martin
3d0bb889ab m1n1.utils: Move Register.value -> _value and wrap 
Also pre-compute _fields

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-16 02:28:00 +09:00
Hector Martin
15381b8d74 m1n1.adt: Dump out address lookup table in script mode 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-15 19:45:58 +09:00
Hector Martin
48b4466abf m1n1.utils: Rewrite AddrLookup to improve performance & fix bugs 
* Fix correctness issues (ranges could end up overlapping)
* Split ranges instead of merging them on overlap (previously a single
  range overlapping everything would reduce the lookup to a linear
  search over all ranges)
* Support removal and generic mutations by splitting out a generic
  RangeMap class that can be used with arbitrary values/collections

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-15 19:42:30 +09:00
Hector Martin
7e5054548a hv_vm: Rename SPTE_SYNC_TRACE to SPTE_TRACE_UNBUF 
It's not really synchronous, it just flushes USB buffering.

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-15 16:10:06 +09:00
Hector Martin
96ecd52b65 tools/chainload.py: Remove 1-second delay 
I don't think we need this any more, ever since the new reconnection
code

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-15 15:59:55 +09:00