[esp32-c3] What is the absolute address of the "mvendorid"?

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ivand58
Posts: 11
Joined: Tue May 10, 2022 7:10 am

[esp32-c3] What is the absolute address of the "mvendorid"?

Postby ivand58 » Wed May 11, 2022 4:56 pm

Hi
What is the base address of "Configuration and Status Registers (CSRs)" and what is the absolute (full) address of mvendeorid (with offset 0xF11 from ?) in particular?
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BugSimpson
Posts: 22
Joined: Fri Oct 11, 2024 2:14 pm

Re: [esp32-c3] What is the absolute address of the "mvendorid"?

Postby BugSimpson » Sat Jan 04, 2025 9:52 am

have you found?
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MicroController
Posts: 2661
Joined: Mon Oct 17, 2022 7:38 pm
Location: Europe, Germany

Re: [esp32-c3] What is the absolute address of the "mvendorid"?

Postby MicroController » Sat Jan 04, 2025 1:38 pm

CSRs aren't memory-mapped. Technically, they have their own 12-bit address space, which is accessed via special instructions (like the CSRR and CSRW pseudo-instructions), see e.g. https://github.com/espressif/esp-idf/bl ... csr.h#L204
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