This is a simple example of how to use the rv64emu crate in a no_std environment.
- board: esp32-s3 with 8MB PSRAM, 8MB flash
- environment: esp-rs/esp-hal
For more information about esp-rs, please visit github.com/esp-rs.
crossbeam-utils
error[E0432]: unresolved imports `core::sync::atomic::AtomicI64`, `core::sync::atomic::AtomicU64`
--> /home/leesum/.cargo/registry/src/mirrors.ustc.edu.cn-61ef6e0cd06fb9b8/crossbeam-utils-0.8.16/src/lib.rs:79:49
Because esp32-s3 is a xTensa architecture, and the toolchain is "xtensa-esp32s3-none-elf", which have't support by rust mainline yet. So we need to add "xtensa-esp32s3-none-elf" to crossbeam-utils-0.8.16/no_atomic.rs
#[allow(dead_code)] // Only crossbeam-utils uses this.
const NO_ATOMIC_64: &[&str] = &[
"arm-linux-androideabi",
"armv4t-none-eabi",
"armv4t-unknown-linux-gnueabi",
"armv5te-none-eabi",
"armv5te-unknown-linux-gnueabi",
"armv5te-unknown-linux-musleabi",
"armv5te-unknown-linux-uclibceabi",
"armv6k-nintendo-3ds",
"avr-unknown-gnu-atmega328",
"hexagon-unknown-linux-musl",
"m68k-unknown-linux-gnu",
"mips-unknown-linux-gnu",
"mips-unknown-linux-musl",
"mips-unknown-linux-uclibc",
"mipsel-sony-psp",
"mipsel-sony-psx",
"mipsel-unknown-linux-gnu",
"mipsel-unknown-linux-musl",
"mipsel-unknown-linux-uclibc",
"mipsel-unknown-none",
"mipsisa32r6-unknown-linux-gnu",
"mipsisa32r6el-unknown-linux-gnu",
"msp430-none-elf",
"powerpc-unknown-freebsd",
"powerpc-unknown-linux-gnu",
"powerpc-unknown-linux-gnuspe",
"powerpc-unknown-linux-musl",
"powerpc-unknown-netbsd",
"powerpc-unknown-openbsd",
"powerpc-wrs-vxworks",
"powerpc-wrs-vxworks-spe",
"riscv32gc-unknown-linux-gnu",
"riscv32gc-unknown-linux-musl",
"riscv32i-unknown-none-elf",
"riscv32im-unknown-none-elf",
"riscv32imac-unknown-none-elf",
"riscv32imac-unknown-xous-elf",
"riscv32imc-unknown-none-elf",
"thumbv4t-none-eabi",
"thumbv5te-none-eabi",
"thumbv6m-none-eabi",
"thumbv7em-none-eabi",
"thumbv7em-none-eabihf",
"thumbv7m-none-eabi",
"thumbv8m.base-none-eabi",
"thumbv8m.main-none-eabi",
"thumbv8m.main-none-eabihf",
"xtensa-esp32s3-none-elf" // manually add
];
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