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Rollup merge of #111369 - Nassiel:master, r=oli-obk

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Added custom risc32-imac for esp-espidf target

ESP32-C6 and the upcoming ESP32-P4 are the first Espressif chips that support the "A" (atomic) extension of the RISCV specification.
As such, they do not work with the existing `riscv32imc-esp-espidf` target and instead need a new one (in this PR) called `riscv32imac-esp-espidf`.
This commit is contained in:
Matthias Krüger 2023-06-06 12:00:32 +02:00 • committed by GitHub
commit c4e11dc327
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1
src/doc/rustc/src/platform-support.md
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@ -298,6 +298,7 @@ target | std | host | notes
`riscv32im-unknown-none-elf` | * | | Bare RISC-V (RV32IM ISA)
[`riscv32imac-unknown-xous-elf`](platform-support/riscv32imac-unknown-xous-elf.md) | ? | | RISC-V Xous (RV32IMAC ISA)
[`riscv32imc-esp-espidf`](platform-support/esp-idf.md) | ✓ | | RISC-V ESP-IDF
[`riscv32imac-esp-espidf`](platform-support/esp-idf.md) | ✓ | | RISC-V ESP-IDF
`riscv64gc-unknown-freebsd` | | | RISC-V FreeBSD
`riscv64gc-unknown-fuchsia` | | | RISC-V Fuchsia
`riscv64gc-unknown-linux-musl` | | | RISC-V Linux (kernel 4.20, musl 1.2.0)

9
src/doc/rustc/src/platform-support/esp-idf.md
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@ -13,11 +13,12 @@ Targets for the [ESP-IDF](https://github.com/espressif/esp-idf) development fram
The target names follow this format: `$ARCH-esp-espidf`, where `$ARCH` specifies the target processor architecture. The following targets are currently defined:
| Target name | Target CPU(s) |
|--------------------------------|-----------------------|
| `riscv32imc-esp-espidf` | [ESP32-C3](https://www.espressif.com/en/products/socs/esp32-c3) |
| Target name | Target CPU(s) | Minimum ESP-IDF version |
|--------------------------------|-----------------------|-------------------------|
| `riscv32imc-esp-espidf` | [ESP32-C3](https://www.espressif.com/en/products/socs/esp32-c3) | `v4.3` |
| `riscv32imac-esp-espidf` | [ESP32-C6](https://www.espressif.com/en/products/socs/esp32-c6) | `v5.1` |
The minimum supported ESP-IDF version is `v4.3`, though it is recommended to use the latest stable release if possible.
It is recommended to use the latest ESP-IDF stable release if possible.
## Building the target