forked from M-Labs/artiq-zynq
184 lines
5.4 KiB
Rust
184 lines
5.4 KiB
Rust
use libm;
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use crate::eh_artiq;
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use crate::rtio;
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use super::rpc::{rpc_send, rpc_send_async, rpc_recv};
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use super::dma;
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use super::cache;
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macro_rules! api {
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($i:ident) => ({
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extern { static $i: u8; }
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unsafe { api!($i = &$i as *const _) }
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});
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($i:ident, $d:item) => ({
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$d
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api!($i = $i)
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});
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($i:ident = $e:expr) => {
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(stringify!($i), $e as *const ())
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}
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}
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macro_rules! api_libm_f64f64 {
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($i:ident) => ({
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extern fn $i(x: f64) -> f64 {
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libm::$i(x)
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}
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api!($i = $i)
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})
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}
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pub fn resolve(required: &[u8]) -> Option<u32> {
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let api = &[
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// timing
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api!(now_mu = rtio::now_mu),
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api!(at_mu = rtio::at_mu),
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api!(delay_mu = rtio::delay_mu),
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// rpc
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api!(rpc_send = rpc_send),
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api!(rpc_send_async = rpc_send_async),
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api!(rpc_recv = rpc_recv),
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// rtio
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api!(rtio_init = rtio::init),
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api!(rtio_get_destination_status = rtio::get_destination_status),
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api!(rtio_get_counter = rtio::get_counter),
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api!(rtio_output = rtio::output),
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api!(rtio_output_wide = rtio::output_wide),
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api!(rtio_input_timestamp = rtio::input_timestamp),
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api!(rtio_input_data = rtio::input_data),
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api!(rtio_input_timestamped_data = rtio::input_timestamped_data),
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api!(rtio_log = rtio::log),
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// rtio dma
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api!(dma_record_start = dma::dma_record_start),
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api!(dma_record_stop = dma::dma_record_stop),
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api!(dma_erase = dma::dma_erase),
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api!(dma_retrieve = dma::dma_retrieve),
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api!(dma_playback = dma::dma_playback),
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// cache
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api!(cache_get = cache::get),
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api!(cache_put = cache::put),
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// Double-precision floating-point arithmetic helper functions
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// RTABI chapter 4.1.2, Table 2
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api!(__aeabi_dadd),
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api!(__aeabi_ddiv),
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api!(__aeabi_dmul),
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api!(__aeabi_dsub),
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// Double-precision floating-point comparison helper functions
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// RTABI chapter 4.1.2, Table 3
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api!(__aeabi_dcmpeq),
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api!(__aeabi_dcmpeq),
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api!(__aeabi_dcmplt),
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api!(__aeabi_dcmple),
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api!(__aeabi_dcmpge),
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api!(__aeabi_dcmpgt),
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api!(__aeabi_dcmpun),
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// Single-precision floating-point arithmetic helper functions
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// RTABI chapter 4.1.2, Table 4
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api!(__aeabi_fadd),
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api!(__aeabi_fdiv),
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api!(__aeabi_fmul),
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api!(__aeabi_fsub),
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// Single-precision floating-point comparison helper functions
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// RTABI chapter 4.1.2, Table 5
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api!(__aeabi_fcmpeq),
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api!(__aeabi_fcmpeq),
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api!(__aeabi_fcmplt),
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api!(__aeabi_fcmple),
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api!(__aeabi_fcmpge),
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api!(__aeabi_fcmpgt),
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api!(__aeabi_fcmpun),
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// Floating-point to integer conversions.
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// RTABI chapter 4.1.2, Table 6
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api!(__aeabi_d2iz),
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api!(__aeabi_d2uiz),
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api!(__aeabi_d2lz),
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api!(__aeabi_d2ulz),
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api!(__aeabi_f2iz),
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api!(__aeabi_f2uiz),
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api!(__aeabi_f2lz),
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api!(__aeabi_f2ulz),
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// Conversions between floating types.
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// RTABI chapter 4.1.2, Table 7
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api!(__aeabi_f2d),
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// Integer to floating-point conversions.
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// RTABI chapter 4.1.2, Table 8
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api!(__aeabi_i2d),
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api!(__aeabi_ui2d),
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api!(__aeabi_l2d),
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api!(__aeabi_ul2d),
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api!(__aeabi_i2f),
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api!(__aeabi_ui2f),
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api!(__aeabi_l2f),
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api!(__aeabi_ul2f),
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// Long long helper functions
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// RTABI chapter 4.2, Table 9
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api!(__aeabi_lmul),
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api!(__aeabi_llsl),
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api!(__aeabi_llsr),
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api!(__aeabi_lasr),
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// Integer division functions
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// RTABI chapter 4.3.1
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api!(__aeabi_idiv),
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api!(__aeabi_ldivmod),
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api!(__aeabi_uidiv),
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api!(__aeabi_uldivmod),
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// 4.3.4 Memory copying, clearing, and setting
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api!(__aeabi_memcpy8),
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api!(__aeabi_memcpy4),
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api!(__aeabi_memcpy),
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api!(__aeabi_memmove8),
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api!(__aeabi_memmove4),
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api!(__aeabi_memmove),
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api!(__aeabi_memset8),
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api!(__aeabi_memset4),
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api!(__aeabi_memset),
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api!(__aeabi_memclr8),
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api!(__aeabi_memclr4),
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api!(__aeabi_memclr),
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// libc
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api!(memcmp, extern { fn memcmp(a: *const u8, b: *mut u8, size: usize); }),
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// exceptions
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api!(_Unwind_Resume = unwind::_Unwind_Resume),
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api!(__artiq_personality = eh_artiq::artiq_personality),
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api!(__artiq_raise = eh_artiq::raise),
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api!(__artiq_reraise = eh_artiq::reraise),
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// libm
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api_libm_f64f64!(sqrt),
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api_libm_f64f64!(round),
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api_libm_f64f64!(floor),
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{
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extern fn fmod(x: f64, y: f64) -> f64 {
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libm::fmod(x, y)
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}
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api!(fmod = fmod)
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},
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api_libm_f64f64!(log),
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api_libm_f64f64!(log10),
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api_libm_f64f64!(exp),
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{
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extern fn pow(x: f64, y: f64) -> f64 {
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libm::pow(x, y)
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}
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api!(pow = pow)
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},
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api_libm_f64f64!(sin),
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api_libm_f64f64!(cos),
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api_libm_f64f64!(tan),
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api_libm_f64f64!(asin),
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api_libm_f64f64!(acos),
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api_libm_f64f64!(atan),
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];
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api.iter()
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.find(|&&(exported, _)| exported.as_bytes() == required)
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.map(|&(_, ptr)| ptr as u32)
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}
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