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about develop cortex-a53 kernel #1396

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45230 opened this issue Jan 15, 2022 · 3 comments
Closed

about develop cortex-a53 kernel #1396

45230 opened this issue Jan 15, 2022 · 3 comments

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@45230
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45230 commented Jan 15, 2022

How to develop bare-metal code with cortex-A53 core chips? I have an I.MX8 mini.

When I downloaded CMSIS5, I couldn't find the startup code for Cortex-A53 in a folder like ARMCA53.

Can ARMv8MML (or ARMv8MBL, ARMv81MML) be used with the Cortex-A53 kernel?

I am new to cortex-A53 development, please help me, thanks

@flit
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flit commented Jan 16, 2022

CMSIS supports M-profile and certain v7-A cores. As the names imply, ARMv8M* variants are for v8-M.

General architecture support questions should be directed to the Arm Community.
Also, since you are using an NXP product, please seek help from NXP directly. NXP's community is probably a good resource to start with.

@JonatanAntoni
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There is a pending PR addressing this, see #946.
So far, we do not have official plans to add AARCH64 support to CMSIS.

@45230
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45230 commented Jan 17, 2022

CMSIS supports M-profile and certain v7-A cores. As the names imply, ARMv8M* variants are for v8-M.

General architecture support questions should be directed to the Arm Community. Also, since you are using an NXP product, please seek help from NXP directly. NXP's community is probably a good resource to start with.

There is a pending PR addressing this, see #946. So far, we do not have official plans to add AARCH64 support to CMSIS.

Thank you for your answer

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