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use super::ZludaObject;
use cuda_types::cuda::*;
use hip_runtime_sys::*;
use std::{ffi::CStr, mem};
pub(crate) struct Module {
base: hipModule_t,
}
impl ZludaObject for Module {
const COOKIE: usize = 0xe9138bd040487d4a;
type CudaHandle = CUmodule;
fn drop_checked(&mut self) -> CUresult {
unsafe { hipModuleUnload(self.base) }?;
Ok(())
}
}
pub(crate) fn load_data(module: &mut CUmodule, image: *const std::ffi::c_void) -> CUresult {
let text = unsafe { CStr::from_ptr(image.cast()) }
.to_str()
.map_err(|_| CUerror::INVALID_VALUE)?;
let ast = ptx_parser::parse_module_checked(text).map_err(|_| CUerror::NO_BINARY_FOR_GPU)?;
let llvm_module = ptx::to_llvm_module(ast).map_err(|_| CUerror::UNKNOWN)?;
let mut dev = 0;
unsafe { hipCtxGetDevice(&mut dev) }?;
let mut props = unsafe { mem::zeroed() };
unsafe { hipGetDevicePropertiesR0600(&mut props, dev) }?;
let elf_module = comgr::compile_bitcode(
unsafe { CStr::from_ptr(props.gcnArchName.as_ptr()) },
&*llvm_module.llvm_ir,
llvm_module.linked_bitcode(),
)
.map_err(|_| CUerror::UNKNOWN)?;
let mut hip_module = unsafe { mem::zeroed() };
unsafe { hipModuleLoadData(&mut hip_module, elf_module.as_ptr().cast()) }?;
*module = Module { base: hip_module }.wrap();
Ok(())
}
pub(crate) fn unload(hmod: CUmodule) -> CUresult {
super::drop_checked::<Module>(hmod)
}
pub(crate) fn get_function(
hfunc: &mut hipFunction_t,
hmod: &Module,
name: *const ::core::ffi::c_char,
) -> hipError_t {
unsafe { hipModuleGetFunction(hfunc, hmod.base, name) }
}
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