Hector Martin
6dde40b05c
exception: introduce recovery from synchronous exceptions
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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
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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
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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
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-29 00:36:46 +09:00
Hector Martin
e1f0be37b4
proxy.py: add a ttymode() call to switch to a dump terminal print
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TODO: implement input
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-23 22:43:14 +09:00
Hector Martin
63319ed348
utils: implement udelay()
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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()
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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
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This embeds tinf and minlzma.
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-23 22:42:23 +09:00
Hector Martin
397bfa17c6
proxyclient: new asm/malloc/utils, clean up
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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
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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
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Signed-off-by: Ferdinand Bachmann <theferdi265@gmail.com>
2021-01-16 02:48:48 +09:00
Hector Martin
bd19584743
proxyclient: initial files
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Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-15 04:04:12 +09:00
