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nac3artiq: support RISC-V with and without FPU. Closes #83

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This commit is contained in:
Sebastien Bourdeauducq 2021-11-11 23:43:50 +08:00
parent 4547eee82a
commit 978eaf16a4
2 changed files with 9 additions and 5 deletions
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2
nac3artiq/demo/device_db.py
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@ -10,7 +10,7 @@ device_db = {
"host": "kc705",
"ref_period": 1e-9,
"ref_multiplier": 8,
"target": "riscv"
"target": "rv32g"
}
},
}

12
nac3artiq/src/lib.rs
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@ -38,7 +38,8 @@ use timeline::TimeFns;
#[derive(PartialEq, Clone, Copy)]
enum Isa {
Host,
RiscV,
RiscV32G,
RiscV32IMA,
CortexA9,
}
@ -204,13 +205,15 @@ impl Nac3 {
fn new(isa: &str, py: Python) -> PyResult<Self> {
let isa = match isa {
"host" => Isa::Host,
"riscv" => Isa::RiscV,
"rv32g" => Isa::RiscV32G,
"rv32ima" => Isa::RiscV32IMA,
"cortexa9" => Isa::CortexA9,
_ => return Err(exceptions::PyValueError::new_err("invalid ISA")),
};
let time_fns: &(dyn TimeFns + Sync) = match isa {
Isa::Host => &timeline::EXTERN_TIME_FNS,
Isa::RiscV => &timeline::NOW_PINNING_TIME_FNS,
Isa::RiscV32G => &timeline::NOW_PINNING_TIME_FNS,
Isa::RiscV32IMA => &timeline::NOW_PINNING_TIME_FNS,
Isa::CortexA9 => &timeline::EXTERN_TIME_FNS,
};
let primitive: PrimitiveStore = TopLevelComposer::make_primitives().0;
@ -452,7 +455,8 @@ impl Nac3 {
let (triple, features) = match isa {
Isa::Host => (TargetMachine::get_default_triple(), TargetMachine::get_host_cpu_features().to_string()),
Isa::RiscV => (TargetTriple::create("riscv32-unknown-linux"), "+a,+m".to_string()),
Isa::RiscV32G => (TargetTriple::create("riscv32-unknown-linux"), "+a,+m,+f,+d".to_string()),
Isa::RiscV32IMA => (TargetTriple::create("riscv32-unknown-linux"), "+a,+m".to_string()),
Isa::CortexA9 => (
TargetTriple::create("armv7-unknown-linux-gnueabihf"),
"+dsp,+fp16,+neon,+vfp3".to_string(),