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forked from M-Labs/nac3

nac3artiq: refactor timeline functions

This commit is contained in:
Sebastien Bourdeauducq 2021-10-02 23:35:28 +08:00
parent c5e731f16d
commit c429a86586

View File

@ -163,6 +163,108 @@ impl Nac3 {
}
}
// ARTIQ timeline control with now-pinning optimization.
// This is a bit of mess due to endianness issues.
// Modify gateware to make `now` little-endian, since we don't have OpenRISC anymore?
fn timeline_builtins(primitive: &PrimitiveStore) -> Vec<(StrRef, FunSignature, Arc<GenCall>)> {
vec![(
"now_mu".into(),
FunSignature {
args: vec![],
ret: primitive.int64,
vars: HashMap::new(),
},
Arc::new(GenCall::new(Box::new(
|ctx, _, _, _| {
let i64_type = ctx.ctx.i64_type();
let now = ctx.module.get_global("now").unwrap_or_else(|| ctx.module.add_global(i64_type, None, "now"));
let now_raw = ctx.builder.build_load(now.as_pointer_value(), "now");
if let BasicValueEnum::IntValue(now_raw) = now_raw {
let i64_32 = i64_type.const_int(32, false).into();
let now_lo = ctx.builder.build_left_shift(now_raw, i64_32, "now_shl");
let now_hi = ctx.builder.build_right_shift(now_raw, i64_32, false, "now_lshr").into();
Some(ctx.builder.build_or(now_lo, now_hi, "now_or").into())
} else {
unreachable!()
}
}
)))
),(
"at_mu".into(),
FunSignature {
args: vec![FuncArg {
name: "t".into(),
ty: primitive.int64,
default_value: None,
}],
ret: primitive.none,
vars: HashMap::new(),
},
Arc::new(GenCall::new(Box::new(
|ctx, _, _, args| {
let i32_type = ctx.ctx.i64_type();
let i64_type = ctx.ctx.i64_type();
let i64_32 = i64_type.const_int(32, false).into();
if let BasicValueEnum::IntValue(time) = args[0].1 {
let time_hi = ctx.builder.build_int_truncate(ctx.builder.build_right_shift(time, i64_32, false, "now_lshr"), i32_type, "now_trunc");
let time_lo = ctx.builder.build_int_truncate(time, i32_type, "now_trunc");
let now = ctx.module.get_global("now").unwrap_or_else(|| ctx.module.add_global(i64_type, None, "now"));
let now_hiptr = ctx.builder.build_bitcast(now, i32_type.ptr_type(AddressSpace::Generic), "now_bitcast");
if let BasicValueEnum::PointerValue(now_hiptr) = now_hiptr {
let now_loptr = unsafe { ctx.builder.build_gep(now_hiptr, &[i32_type.const_int(1, false).into()], "now_gep") };
ctx.builder.build_store(now_hiptr, time_hi);
ctx.builder.build_store(now_loptr, time_lo);
None
} else {
unreachable!();
}
} else {
unreachable!();
}
}
)))
),(
"delay_mu".into(),
FunSignature {
args: vec![FuncArg {
name: "dt".into(),
ty: primitive.int64,
default_value: None,
}],
ret: primitive.none,
vars: HashMap::new(),
},
Arc::new(GenCall::new(Box::new(
|ctx, _, _, args| {
let i32_type = ctx.ctx.i64_type();
let i64_type = ctx.ctx.i64_type();
let i64_32 = i64_type.const_int(32, false).into();
let now = ctx.module.get_global("now").unwrap_or_else(|| ctx.module.add_global(i64_type, None, "now"));
let now_raw = ctx.builder.build_load(now.as_pointer_value(), "now");
if let (BasicValueEnum::IntValue(now_raw), BasicValueEnum::IntValue(dt)) = (now_raw, args[0].1) {
let now_lo = ctx.builder.build_left_shift(now_raw, i64_32, "now_shl");
let now_hi = ctx.builder.build_right_shift(now_raw, i64_32, false, "now_lshr").into();
let now_val = ctx.builder.build_or(now_lo, now_hi, "now_or");
let time = ctx.builder.build_int_add(now_val, dt, "now_add");
let time_hi = ctx.builder.build_int_truncate(ctx.builder.build_right_shift(time, i64_32, false, "now_lshr"), i32_type, "now_trunc");
let time_lo = ctx.builder.build_int_truncate(time, i32_type, "now_trunc");
let now_hiptr = ctx.builder.build_bitcast(now, i32_type.ptr_type(AddressSpace::Generic), "now_bitcast");
if let BasicValueEnum::PointerValue(now_hiptr) = now_hiptr {
let now_loptr = unsafe { ctx.builder.build_gep(now_hiptr, &[i32_type.const_int(1, false).into()], "now_gep") };
ctx.builder.build_store(now_hiptr, time_hi);
ctx.builder.build_store(now_loptr, time_lo);
None
} else {
unreachable!();
}
} else {
unreachable!();
}
}
)))
)]
}
#[pymethods]
impl Nac3 {
#[new]
@ -173,107 +275,7 @@ impl Nac3 {
_ => return Err(exceptions::PyValueError::new_err("invalid ISA")),
};
let primitive: PrimitiveStore = TopLevelComposer::make_primitives().0;
let mut builtins = vec![];
if isa == Isa::RiscV {
builtins.push((
"now_mu".into(),
FunSignature {
args: vec![],
ret: primitive.int64,
vars: HashMap::new(),
},
Arc::new(GenCall::new(Box::new(
|ctx, _, _, _| {
let i64_type = ctx.ctx.i64_type();
let now = ctx.module.get_global("now").unwrap_or_else(|| ctx.module.add_global(i64_type, None, "now"));
let now_raw = ctx.builder.build_load(now.as_pointer_value(), "now");
if let BasicValueEnum::IntValue(now_raw) = now_raw {
let i64_32 = i64_type.const_int(32, false).into();
let now_lo = ctx.builder.build_left_shift(now_raw, i64_32, "now_shl");
let now_hi = ctx.builder.build_right_shift(now_raw, i64_32, false, "now_lshr").into();
Some(ctx.builder.build_or(now_lo, now_hi, "now_or").into())
} else {
unreachable!()
}
}
)))
));
builtins.push((
"at_mu".into(),
FunSignature {
args: vec![FuncArg {
name: "t".into(),
ty: primitive.int64,
default_value: None,
}],
ret: primitive.none,
vars: HashMap::new(),
},
Arc::new(GenCall::new(Box::new(
|ctx, _, _, args| {
let i32_type = ctx.ctx.i64_type();
let i64_type = ctx.ctx.i64_type();
let i64_32 = i64_type.const_int(32, false).into();
if let BasicValueEnum::IntValue(time) = args[0].1 {
let time_hi = ctx.builder.build_int_truncate(ctx.builder.build_right_shift(time, i64_32, false, "now_lshr"), i32_type, "now_trunc");
let time_lo = ctx.builder.build_int_truncate(time, i32_type, "now_trunc");
let now = ctx.module.get_global("now").unwrap_or_else(|| ctx.module.add_global(i64_type, None, "now"));
let now_hiptr = ctx.builder.build_bitcast(now, i32_type.ptr_type(AddressSpace::Generic), "now_bitcast");
if let BasicValueEnum::PointerValue(now_hiptr) = now_hiptr {
let now_loptr = unsafe { ctx.builder.build_gep(now_hiptr, &[i32_type.const_int(1, false).into()], "now_gep") };
ctx.builder.build_store(now_hiptr, time_hi);
ctx.builder.build_store(now_loptr, time_lo);
None
} else {
unreachable!();
}
} else {
unreachable!();
}
}
)))
));
builtins.push((
"delay_mu".into(),
FunSignature {
args: vec![FuncArg {
name: "dt".into(),
ty: primitive.int64,
default_value: None,
}],
ret: primitive.none,
vars: HashMap::new(),
},
Arc::new(GenCall::new(Box::new(
|ctx, _, _, args| {
let i32_type = ctx.ctx.i64_type();
let i64_type = ctx.ctx.i64_type();
let i64_32 = i64_type.const_int(32, false).into();
let now = ctx.module.get_global("now").unwrap_or_else(|| ctx.module.add_global(i64_type, None, "now"));
let now_raw = ctx.builder.build_load(now.as_pointer_value(), "now");
if let (BasicValueEnum::IntValue(now_raw), BasicValueEnum::IntValue(dt)) = (now_raw, args[0].1) {
let now_lo = ctx.builder.build_left_shift(now_raw, i64_32, "now_shl");
let now_hi = ctx.builder.build_right_shift(now_raw, i64_32, false, "now_lshr").into();
let now_val = ctx.builder.build_or(now_lo, now_hi, "now_or");
let time = ctx.builder.build_int_add(now_val, dt, "now_add");
let time_hi = ctx.builder.build_int_truncate(ctx.builder.build_right_shift(time, i64_32, false, "now_lshr"), i32_type, "now_trunc");
let time_lo = ctx.builder.build_int_truncate(time, i32_type, "now_trunc");
let now_hiptr = ctx.builder.build_bitcast(now, i32_type.ptr_type(AddressSpace::Generic), "now_bitcast");
if let BasicValueEnum::PointerValue(now_hiptr) = now_hiptr {
let now_loptr = unsafe { ctx.builder.build_gep(now_hiptr, &[i32_type.const_int(1, false).into()], "now_gep") };
ctx.builder.build_store(now_hiptr, time_hi);
ctx.builder.build_store(now_loptr, time_lo);
None
} else {
unreachable!();
}
} else {
unreachable!();
}
}
)))
));
}
let builtins = if isa == Isa::RiscV { timeline_builtins(&primitive) } else { vec![] };
let (composer, builtins_def, builtins_ty) = TopLevelComposer::new(builtins);
Ok(Nac3 {
isa,