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mt8195_adsp support #21

Merged
merged 2 commits into from
Aug 29, 2023
Merged

mt8195_adsp support #21

merged 2 commits into from
Aug 29, 2023

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andyross
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@andyross andyross commented Aug 7, 2023

Headers for the mt8195_adsp device. See zephyrproject-rtos/zephyr#61197 and zephyrproject-rtos/sdk-ng#694

Note the disabled file (albeit a really obscure one I promise no one will need) in the HAL build. Seems like current Cadence headers have skewed far enough away from our HAL code that some things are breaking.

@dcpleung
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The addi.a is added by the tie-asm.h in your second commit inside xchal_cp_AudioEngineLX_store. If you change it to addi, there is no need to remove state-asm.S.

@nashif nashif self-requested a review August 26, 2023 15:03
Headers for the MT8195 Audio DSP.  Specifically these were extracted
from a just-configured Cadence RI-2021.6 toolchain for the core
"hifi4_8195_PROD".

Signed-off-by: Andy Ross <andyross@google.com>
The "addi.a" instruction referenced in this file doesn't build with
non-Cadence assemblers.  By name, it would seem to be a "add immediate
single precision floating point", but the way it's used is clearly
as an integer counter in a regular GPR.  Use an addi, which seems to
be the intent, to make this build.  In practice this code won't ever
be executed by Zephyr apps anyway.

Signed-off-by: Andy Ross <andyross@google.com>
@andyross
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Rebase and take Daniel's suggestion about the weird instruction. Which... I mean I guess it's probably the same as an addi, but it's absolutely not documented anywhere... But for sure building one possibly-broken code path in a HAL file that will never be used is cleaner than disabling the whole file.

@nashif nashif merged commit e7964dd into zephyrproject-rtos:master Aug 29, 2023
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@dbaluta dbaluta mentioned this pull request Sep 18, 2023
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3 participants