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44 commits

Author SHA1 Message Date
Hector Martin
063b9a1d27 exception: Add GUARD_SILENT feature to suppress logs 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-02-11 00:55:59 +09:00
Hector Martin
c1b9ef89b5 utils.py: guard mrs/msr/etc 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-02-11 00:55:59 +09:00
Hector Martin
7d3dd54441 utils.py: replace manual reg list with a full dump 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-02-11 00:55:59 +09:00
Hector Martin
ec59b0d2c7 chainload: do proper Mach-O parsing 
This is required for payloads to work properly

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-02-06 16:44:10 +09:00
Hector Martin
d12ac86448 utils.py: add more timer registers 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-02-06 16:44:10 +09:00
Hector Martin
1bb05d056f linux.py: Fix and simplify argument count handling 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-02-06 16:44:10 +09:00
Janne Grunau
57c4ddd00d linux.py: add support for setting boot arguments 
Signed-off-by: Janne Grunau <j@jannau.net>
 2021-02-06 12:16:04 +09:00
Janne Grunau
214173ba51 linux.py: support xz compressed payload 
3 second faster load and uncompress time for small kernel
(5.6M uncompressed, 2.1M gz and 1.6M xz). Compression method is
autodetect by the filename suffix or can be set by the '--compression'
command line option.
Also supports uncompressed payloads (no auto detection).

Signed-off-by: Janne Grunau <j@jannau.net>
 2021-02-06 12:16:04 +09:00
Janne Grunau
128368751c linux.py: use argparse and pathlib 
Signed-off-by: Janne Grunau <j@jannau.net>
 2021-02-06 12:16:04 +09:00
Witold Baryluk
62db38ae91 Fix #! and exec bits for scripts 
Signed-off-by: Witold Baryluk <witold.baryluk@gmail.com>
 2021-02-06 12:01:15 +09:00
Hector Martin
5970824491 utils.py: add more ID registers 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-02-05 02:58:08 +09:00
Hector Martin
19f915b779 aic_test.py: more experiments 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-02-05 02:58:08 +09:00
Hector Martin
60665a2ee2 linux.py: spin up secondaries 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-02-05 02:58:08 +09:00
Iris Johnson
7fc52bc799 Fix broken hexdumps in proxy.py 
Proxy.py has a few typos that appear if you try to use debug mode and dump a region of memory. This should fix those.

Signed-off-by: Iris Johnson <iris@modwiz.com>
 2021-02-05 02:57:36 +09:00
Hector Martin
4c999733da setup.py: restore timeout properly after the baudrate guesswork 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-02-03 04:52:17 +09:00
Hector Martin
053f2edbc3 proxyclient: handle baud rate switching properly for non-Glasgow UARTs 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-02-03 03:51:41 +09:00
Hector Martin
f247643fe6 chainload.py: shut down mmu and flush caches when chainloading 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-01-30 22:00:00 +09:00
Hector Martin
6dde40b05c exception: introduce recovery from synchronous exceptions 
Use this to recover from address faults in the proxy. Also print out L2
subsystem fault info.

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-01-30 22:00:00 +09:00
Hector Martin
74307af0df kboot: add proper kernel boot & DT manipulation code 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-01-30 01:37:09 +09:00
Hector Martin
33d6c311ad malloc.py: fix memalign 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-01-30 01:37:09 +09:00
Hector Martin
352c6945d1 chickens.py: fix some brokenness 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-01-30 01:37:09 +09:00
Hector Martin
986c6730e9 Add heapblock and dlmalloc for managing memory 
heapblock is a simple `sbrk` style implementation, also useful as an
"endless" decompression buffer. dlmalloc is used on top as a malloc
implementation.

This also changes how the Python side manages its heap. We still use a
python-side malloc implementation (since this is faster), and we put the
Python heap at the m1n1 heap + 128MB, without allocating it.
Hopefully this should never step on anything m1n1 neads, and avoids
having to manage freeing across Python script calls.

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-01-29 16:25:15 +09:00
Hector Martin
f3d0a58f42 proxy: add mmu_shutdown call, use it for linux.py 
I saw at least one SError crash on Linux after doing this, but can't
repro; unclear if related to the MMU changes or not...

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-01-29 00:36:46 +09:00
Hector Martin
c3c6e4e8f9 smp: add scaffolding and proxy funcs for cross-CPU calls 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-01-29 00:36:46 +09:00
Hector Martin
08763968ac malloc.py: add memalign 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-01-28 16:06:12 +09:00
Hector Martin
d0d691524c chickens.py: disable unnecessary stuff 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-01-25 19:11:42 +09:00
Hector Martin
fc6163c8d2 linux.py: add simple Linux loader 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-01-25 17:24:29 +09:00
Hector Martin
2647df774d chickens.py: chickenbits/tunables test code 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-01-25 17:24:29 +09:00
Hector Martin
c648a517e3 memdump.py: add simple memory dumper 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-01-23 22:43:21 +09:00
Hector Martin
e5caf91d79 utils: add u.inst() to run arbitrary instructions 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-01-23 22:43:21 +09:00
Hector Martin
99fb647a9b utils.py: add more ARM registers 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-01-23 22:43:19 +09:00
Hector Martin
7b53b0ae9c shell.py: remove missing unused import 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-01-23 22:43:18 +09:00
Hector Martin
644ab28e32 setup.py: fb is the framebuffer 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-01-23 22:43:16 +09:00
Hector Martin
e1f0be37b4 proxy.py: add a ttymode() call to switch to a dump terminal print 
TODO: implement input

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-01-23 22:43:14 +09:00
Hector Martin
674a82a2bb aic_test: UART IRQ testing stuff 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-01-23 22:42:59 +09:00
Hector Martin
63319ed348 utils: implement udelay() 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-01-23 22:42:25 +09:00
Hector Martin
cfe597e447 proxy: introduce reboot() as distinct from vector() 
vector() does not expect a reply, reboot() expects a hello reply.

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-01-23 22:42:25 +09:00
Hector Martin
ee12d053a9 proxy: add XZ and GZ decompression functions and code 
This embeds tinf and minlzma.

Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-01-23 22:42:23 +09:00
Hector Martin
74d3575369 proxyclient: Add aic_test 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-01-17 00:50:50 +09:00
Hector Martin
397bfa17c6 proxyclient: new asm/malloc/utils, clean up 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-01-17 00:50:34 +09:00
Hector Martin
81aaf2ed35 Basic exceptions, irq, cache mgmt support 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-01-17 00:49:22 +09:00
Ferdinand Bachmann
b02d70730a proxyclient: fix mask commands accidently sending clear opcode instead 
Signed-off-by: Ferdinand Bachmann <theferdi265@gmail.com>
 2021-01-16 02:48:48 +09:00
Hector Martin
d2fa0c9db9 README: add missing close angle bracket 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-01-15 13:04:14 +09:00
Hector Martin
bd19584743 proxyclient: initial files 
Signed-off-by: Hector Martin <marcan@marcan.st>
 2021-01-15 04:04:12 +09:00