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351 commits

Author SHA1 Message Date
Hector Martin
fa50bb6474 fb: Do not restore logo when using kboot 
Also don't clear the whole screen, only the console section so the logo
is glitchless.

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-08-31 14:10:52 +09:00
Hector Martin
219950235c fw.dcp.ipc: Define rt_bw_config_t properly 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-08-30 12:09:36 +09:00
Hector Martin
4df78129aa m1n1.shell: Fix broken signature thing for some objects 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-08-29 01:36:27 +09:00
Hector Martin
63547f6fc9 m1n1.fw.asc.mgmt: Print endpoints 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-08-29 01:36:01 +09:00
Hector Martin
0584200aaf m1n1.fw.dcp.manager: Make map_buf() work 
What it needs to do is map the buffer to the disp dart stream 4,
apparently (or maybe the stream varies?)

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-08-29 01:35:25 +09:00
Hector Martin
43c93af949 m1n1.fw.asc: Handle DARTless ASCs 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-08-29 01:32:27 +09:00
Hector Martin
eec6bbdeaf m1n1.hw.dart: Fix dirty cache clobbering on iomap_at() 
Fixes: #102

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-08-29 00:03:39 +09:00
Alyssa Rosenzweig
eb466796d8 fw.dcp: Add some stubs needed for modesetting 
This isn't enough to set the video mode yet but it gets us further. I
think allocate_memory/map_buf/powerOnDART need real implementations,
otherwise setting a video mode crashes the DCP in an APIODMA interrupt
handler, whatever that is.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
 2021-08-24 21:09:35 +09:00
Hector Martin
e6d3b6b6c6 m1n1.adt: Handle borked reg properties 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-08-24 12:20:31 +09:00
Hector Martin
d0731de381 m1n1.hv: Fix pac_mask for linux 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-08-23 23:10:28 +09:00
Hector Martin
c39fe2fbde m1n1.fw.asc: Handle syslog/ioreporting buffer size properly 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-08-23 23:10:28 +09:00
Hector Martin
1666d86d43 fw.asc.mgmt: Handle version negotiation properly 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-08-23 23:04:23 +09:00
Hector Martin
cc39491863 m1n1.proxy: Allow overriding default timeout with M1N1TIMEOUT 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-08-23 17:03:20 +09:00
Hector Martin
017f050fff hv_vuart: Implement RX & enough to support Linux 
This works to get to a serial shell on Linux, and to use m1n1-as-LV1
proxyclient with M1N1DEVICE=/dev/m1n1-sec

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-08-23 17:02:28 +09:00
Hector Martin
c2c6da3df2 fw.dcp.ipc: Remove junk prints 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-08-14 16:53:32 +09:00
Hector Martin
fa3b1ddcf6 experiments/dcp.py: Add DCP driver example 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-08-14 16:40:18 +09:00
Hector Martin
de5b5d996c m1n1.fw.dcp: Add DCP client framework, port tracer to it 
This also includes an update to the macOS 12.0 beta ABI

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-08-14 16:39:17 +09:00
Hector Martin
b32aec3786 m1n1.trace.asc: Use shared reg/msg definitions, improve syslog 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-08-14 16:37:09 +09:00
Hector Martin
27a0a15eee m1n1.hw/fw.asc: Add basic ASC driver and RTKit handling 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-08-14 16:36:49 +09:00
Hector Martin
7b01b0525b m1n1.trace.asc: Be more clear about endpoint number in log 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-08-14 16:34:24 +09:00
Hector Martin
105b671fb3 m1n1.hw.dart: Add mutation functions (iomap, iowrite) 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-08-14 16:33:18 +09:00
Hector Martin
fc5ce75c21 m1n1.adt: Add repr() 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-08-14 16:32:26 +09:00
Hector Martin
fe503a3802 m1n1.proxy: Handle zero-length readmem() 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-08-14 16:32:07 +09:00
Hector Martin
a96e277b56 m1n1.utils: Add Constant support to Register 
This allows setting register fields to an expected contant value, e.g.
because they are opcodes for a variable-format register (like a mailbox)

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-08-14 16:31:10 +09:00
Hector Martin
b00b36620a m1n1.utils: Add unhex() helper 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-08-14 16:30:38 +09:00
Hector Martin
f8110dd409 hv_exc: Handle M1RACLES mitigation here due to 12.0 spam 
macOS 12.0 added a silly ineffective "mitigation" that clears the
register on every context switch. This doesn't actually mitigate
anything, but it does make this sysreg trap performance-critical,
so we have to move its handling into the C side.

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-08-14 16:30:18 +09:00
Andrew Worsley
bd5211909e Fix Exception when no Signature present 
Signed-off-by: Andrew Worsley <amworsley@gmail.com>
 2021-08-03 23:54:23 +09:00
Pip Cet
d709b047d8 proxyclient/m1n1/utils.py: don't compact non-adjacent ranges 
Signed-off-by: Pip Cet <pipcet@gmail.com>
 2021-08-03 13:53:41 +09:00
Andrew Worsley
1d932888f9 Add command categories to reduce command clutter 
Based on a suggestion from Ludwig Schubert it now uses the inspect class
to generate signatures of the functions for the help messages and
the qualified names which is a big improvement.

Also greatly reduced the clutter by putting the class functions into seperate
categories based on their class name. Now the top level help fits on one
page making it much more readable.

Signed-off-by: Andrew Worsley <amworsley@gmail.com>
 2021-08-03 13:52:31 +09:00
Andrew Worsley
ddb6951abb Fix some review comments, spacing 
Signed-off-by: Andrew Worsley <amworsley@gmail.com>
 2021-08-03 13:52:31 +09:00
Andrew Worsley
255f1bac16 Add some doc string to write/read/mrs/msr 
Signed-off-by: Andrew Worsley <amworsley@gmail.com>
 2021-08-03 13:52:31 +09:00
Andrew Worsley
eab52cc855 Extend help to all commands 
Also print 1 line summary or full output if called directly on command

Signed-off-by: Andrew Worsley <amworsley@gmail.com>
 2021-08-03 13:52:31 +09:00
Andrew Worsley
bf4f702077 Add some docstrings/help to shell commands 
Signed-off-by: Andrew Worsley <amworsley@gmail.com>
 2021-08-03 13:52:31 +09:00
Andrew Worsley
012ecc07e7 Add simple help command to shell tool 
Signed-off-by: Andrew Worsley <amworsley@gmail.com>
 2021-08-03 13:52:31 +09:00
Andrew Worsley
2ea43e6ff1 Briefly document protocol 
Signed-off-by: Andrew Worsley <amworsley@gmail.com>
 2021-08-03 13:52:31 +09:00
Hector Martin
63e8d0d48e m1n1.fw.dcp.ipc: Fix late_init_signal return type 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-07-18 02:28:27 +09:00
Hector Martin
9fae977161 m1n1.fw.dcp.ipc: Add SizedArray/SizedBytes to handle data/len pairs 
The serialization always uses fixed-length arrays. These wrappers use a
length argument (possibly coming later in the args) to size the fields
so that the arrays are truncated or padded to the right length as
returned to the user.

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-07-18 02:28:26 +09:00
Hector Martin
231aa772fd m1n1.fw.dcp: Initial DCP log tracing implementation 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-07-15 22:29:01 +09:00
Hector Martin
f635d64429 hv/trace_dcp.py: Update call list for 11.4 (partial?) 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-07-15 22:28:27 +09:00
Hector Martin
0034311ee3 m1n1.utils: Add indent argument to chexdump 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-07-15 22:27:52 +09:00
Hector Martin
4a6fa4b0e1 hv/trace_dcp.py: Redo cmd/ack handling properly, add logging & msg list 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-07-15 16:27:56 +09:00
Sven Peter
5b86c1ee8d proxyclient: sep: add initial code to boot SEPOS 
Signed-off-by: Sven Peter <sven@svenpeter.dev>
 2021-07-09 15:58:00 +09:00
Sven Peter
93ca3fae08 hv: add hardware breakpoint support 
Signed-off-by: Sven Peter <sven@svenpeter.dev>
 2021-07-09 15:52:40 +09:00
Sven Peter
e0d889fac1 hv: add proper single stepping support 
Signed-off-by: Sven Peter <sven@svenpeter.dev>
 2021-07-09 15:52:40 +09:00
Sven Peter
620f1972ce linux.py: add missing serial import 
Signed-off-by: Sven Peter <sven@svenpeter.dev>
 2021-07-09 15:41:04 +09:00
Janne Grunau
e74b79dc2a m1n1/hv: fix irq trace after "Rework MMIO PT handling & tracing" 
Also removes unused leftover demonstration code which came obsolete by
tracer scripts. See hv/trace_gpio.py for an example.

Signed-off-by: Janne Grunau <j@jannau.net>
 2021-07-09 15:31:08 +09:00
Hector Martin
e00e8f178d hv/trace_dcp.py: Fix stuff 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-24 02:12:07 +09:00
Hector Martin
819d2cf6bc hv/trace_dcp.py: Parsing a bunch of stuff now 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-24 01:15:32 +09:00
Hector Martin
3cfe943ec3 m1n1.trace.asc.Syslog: Fix message termination 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-24 01:15:15 +09:00
Hector Martin
7687d00f5f m1n1.trace.asc: Add EP.start() to initialize endpoints 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-06-24 01:14:57 +09:00