Alyssa Rosenzweig
8010e38376
Add smc.py script to enable radios
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Add a basic SMC client and a script in experiments/ using it to enable
the radios. Running this before booting Linux will make the network
controller devices show up in lspci, even if Linux lacks an SMC driver.
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
2021-10-11 12:41:27 +09:00
Martin Povišer
925215aea2
proxyclient: Expect m1n1 at /dev/ttyACM0
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Change the default serial port.
Signed-off-by: Martin Povišer <povik@protonmail.com>
2021-10-11 12:40:43 +09:00
Hector Martin
e1515b4376
i2c: Make error paths wait for bus in i2c_smbus_read
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-10-10 23:49:51 +09:00
Hector Martin
64cb9892b1
tps6598x: Correctly clear all IRQ flags
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-10-10 23:18:04 +09:00
Hector Martin
675f11dc59
tps6598x: Get rid of TPS_WRITE_DELAY
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This was a poor workaround for the broken i2c code.
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-10-10 23:16:26 +09:00
Hector Martin
d20a79435c
i2c: Fix waiting for read transactions
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We weren't waiting until the STOP after reads, causing borkage.
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-10-10 23:15:32 +09:00
Hector Martin
11ba4a0aac
hv: format fix
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-10-03 00:30:42 +09:00
Hector Martin
b9f1eb29e9
kboot: Only try to parse actual CPUs in /cpus
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-10-03 00:28:08 +09:00
Hector Martin
2736f0dd07
hv: Transfer ACTLR_EL1 (not just EL2) to secondaries
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Also capture config at cpu0 guest entry time, to make sure we don't
carry over guest changes to EL1 regs after that.
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-24 10:57:27 +09:00
Hector Martin
3a4b2870a8
experiments/cpu_pstates.py: Only set DVMR if necessary
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-24 01:16:32 +09:00
Hector Martin
febf83a981
experiments/cpu_pstates.py: Enable DVMR unconditionally
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Seems this is not always enabled by the bootloader on some systems
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-24 00:53:07 +09:00
Sven Peter
0b4d5bd793
proxyclient: hv: Add simple DWC3/XHCI/ATCPHY tracer
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Signed-off-by: Sven Peter <sven@svenpeter.dev>
2021-09-22 19:01:03 +09:00
TophEvich
913c775165
proxyclient: removed unused code
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Little clean-up of unused proxyclient code.
Code used/referenced by commented out sections were taken
into account and left behind to be used by it at a later point.
Signed-off-by: TophEvich <84676511+TophEvich@users.noreply.github.com>
2021-09-22 19:00:34 +09:00
Martin Povišer
18bc2c7db1
Add m1n1.hw.admac, experiments/speaker_amp.py
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Add initial code for driving the ADMAC hw blocks, also add a script
which shows it in action by streaming audio to the Mac mini's embedded
speaker.
Signed-off-by: Martin Povišer <povik@protonmail.com>
2021-09-22 16:02:35 +09:00
Martin Povišer
d25581ddb3
Fill in m1n1.hw.i2c
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Signed-off-by: Martin Povišer <povik@protonmail.com>
2021-09-22 16:02:35 +09:00
Hector Martin
9dc332b660
tools/dump_pmgr.py: Show fixed clock usages from DT
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-22 01:03:10 +09:00
Hector Martin
a816f2718b
m1n1.hv: Improve bt()
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-22 00:36:41 +09:00
Hector Martin
9cc0c0a55b
m1n1.hv: Add lower() command to send an exception to the guest
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-22 00:36:40 +09:00
Hector Martin
6707fd5bb9
tools/gen_reg_class.py: Fix multibit field defs
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-21 23:28:42 +09:00
Hector Martin
36e0283a87
hv: Handle PAC mask automatically
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-21 23:28:31 +09:00
Hector Martin
5eed8f674d
hv_vm: Fix guest SError handling
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This was broken, but somewhat masked by another bug in hv_vm.
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-21 22:17:52 +09:00
Hector Martin
56c3d93787
hv_exc: Enable SErrors in the hypervisor
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This finally works properly now
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-21 21:18:13 +09:00
Hector Martin
78cf104b1f
hv_vm: Guard emulated read/writes to catch SErrors/aborts
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-21 21:18:13 +09:00
Hector Martin
4f92a77efd
exception: Allow guarding SError exceptions
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-21 21:18:13 +09:00
Hector Martin
25bc815821
hv: Store exception info regs on entry, and use it
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This is the second part of allowing nested exceptions
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-21 21:18:13 +09:00
Hector Martin
607464f8b0
proxy/uartproxy/hv_asm: Add syncs to flush SErrors
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This makes sure any pending memory ops that might trigger an
asynchronous SError do so here, and not later. This fixes SErrors
breaking proxy ops.
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-21 20:31:52 +09:00
Hector Martin
d44d0a4f16
Revert "hv_asm: Unmask SErrors inside the HV"
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This reverts commit bb7c8ad3c5
.
This is broken.
2021-09-21 20:30:07 +09:00
Hector Martin
bce239b36f
exception: Make space in the stack for full exception context
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This is step 1 of the rework to make reentrant exceptions work
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-21 20:29:19 +09:00
Hector Martin
04668b370a
m1n1.proxyutils: Print and clear L2C regs on SErrors
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-21 17:15:49 +09:00
Hector Martin
e08457aaa9
Makefile, m1n1.ld: Build with debug info
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This allows addr2line to work. The Mach-O output should be unchanged.
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-21 17:13:03 +09:00
Hector Martin
a16731e8b3
hv_exc: Avoid delivering spurious HV-triggered IPIs to the guest
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-21 17:13:03 +09:00
Hector Martin
098d394a5c
exception: Handle Fast IPIs
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-21 13:33:23 +09:00
Hector Martin
0e3770ca47
hv, m1n1.hv: Add cpu() command to switch CPU contexts
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-21 13:18:06 +09:00
Hector Martin
977cbdf4f8
hv_exc: New time accounting around Python callbacks
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This does an explicit hypervisor rendezvous. It's not great because it
introduces spurious guest IPIs, but xnu doesn't seem to care...
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-21 13:17:00 +09:00
Hector Martin
5feae51f25
tools/run_guest.py: Add --debug-xnu argument
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-21 13:15:24 +09:00
Hector Martin
9545371c87
m1n1.hv: Add more PMGR hacks for xnu bug workarounds etc
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-21 13:15:04 +09:00
Hector Martin
64dab94821
hv_aic: Use aic.h instead of just declaring aic_base
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-21 00:42:19 +09:00
Hector Martin
160ced7449
m1n1.hv: Also guard IMX pstate
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-21 00:40:31 +09:00
Hector Martin
945b75a0f8
hv_aic: Fix regression introduced by 4b4ae3ab
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-21 00:40:04 +09:00
Hector Martin
16314a6203
m1n1.fw.pmp: New module
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-20 18:01:21 +09:00
Hector Martin
6211e9f9e6
m1n1.hw.pmgr: New module
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-20 18:01:09 +09:00
Hector Martin
eae9eceff1
m1n1.adt: Fix more pmgr fields, improve dump_pmgr.py
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-20 17:55:45 +09:00
Hector Martin
d2d5952aa5
tools: dump_pmgr.py
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-20 03:00:40 +09:00
Hector Martin
1e98c320df
m1n1.adt: Pretty sure the v_ things were wrong
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-20 02:49:58 +09:00
Hector Martin
5c99406790
m1n1.hv: Guard UART0 pmgr regs
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-20 02:48:23 +09:00
Hector Martin
c461b5d033
m1n1.adt: Add clock-frequencies decoding
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-19 22:33:38 +09:00
Hector Martin
ffacef41ee
iodev, exception: Remove gratuitous UART usage
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-19 22:33:20 +09:00
Hector Martin
6c070fa224
m1n1.proxyutils: Only set baud if connected via serial
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-19 22:32:58 +09:00
Hector Martin
99e38d24d0
experiments/cpu_pstates.py: Remove p-core boost testing hack
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-19 02:28:49 +09:00
Hector Martin
edb32c48a2
smp: Allow switching back to wfe for the smp spinloop
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This is what Linux expects, so we'd better do it in kboot.
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-19 02:17:04 +09:00