rustsbi/sbi-rt/src/binary.rs

//! Capture 3. Binary Encoding

pub use sbi_spec::binary::SbiRet;

#[inline(always)]
pub(crate) fn sbi_call_0(eid: usize, fid: usize) -> SbiRet {
    let (error, value);
    unsafe {
        core::arch::asm!(
            "ecall",
            in("a7") eid,
            in("a6") fid,
            lateout("a0") error,
            lateout("a1") value,
        );
    }
    SbiRet { error, value }
}

#[inline(always)]
pub(crate) fn sbi_call_1(eid: usize, fid: usize, arg0: usize) -> SbiRet {
    let (error, value);
    unsafe {
        core::arch::asm!(
            "ecall",
            in("a7") eid,
            in("a6") fid,
            inlateout("a0") arg0 => error,
            lateout("a1") value,
        );
    }
    SbiRet { error, value }
}

#[inline(always)]
pub(crate) fn sbi_call_2(eid: usize, fid: usize, arg0: usize, arg1: usize) -> SbiRet {
    let (error, value);
    unsafe {
        core::arch::asm!(
            "ecall",
            in("a7") eid,
            in("a6") fid,
            inlateout("a0") arg0 => error,
            inlateout("a1") arg1 => value,
        );
    }
    SbiRet { error, value }
}

#[inline(always)]
pub(crate) fn sbi_call_3(eid: usize, fid: usize, arg0: usize, arg1: usize, arg2: usize) -> SbiRet {
    let (error, value);
    unsafe {
        core::arch::asm!(
            "ecall",
            in("a7") eid,
            in("a6") fid,
            inlateout("a0") arg0 => error,
            inlateout("a1") arg1 => value,
            in("a2") arg2,
        );
    }
    SbiRet { error, value }
}

#[inline(always)]
pub(crate) fn sbi_call_4(
    eid: usize,
    fid: usize,
    arg0: usize,
    arg1: usize,
    arg2: usize,
    arg3: usize,
) -> SbiRet {
    let (error, value);
    unsafe {
        core::arch::asm!(
            "ecall",
            in("a7") eid,
            in("a6") fid,
            inlateout("a0") arg0 => error,
            inlateout("a1") arg1 => value,
            in("a2") arg2,
            in("a3") arg3,
        );
    }
    SbiRet { error, value }
}

#[inline(always)]
pub(crate) fn sbi_call_5(
    eid: usize,
    fid: usize,
    arg0: usize,
    arg1: usize,
    arg2: usize,
    arg3: usize,
    arg4: usize,
) -> SbiRet {
    let (error, value);
    unsafe {
        core::arch::asm!(
            "ecall",
            in("a7") eid,
            in("a6") fid,
            inlateout("a0") arg0 => error,
            inlateout("a1") arg1 => value,
            in("a2") arg2,
            in("a3") arg3,
            in("a4") arg4,
        );
    }
    SbiRet { error, value }
}

#[cfg(target_pointer_width = "32")]
#[inline(always)]
pub(crate) fn sbi_call_6(
    eid: usize,
    fid: usize,
    arg0: usize,
    arg1: usize,
    arg2: usize,
    arg3: usize,
    arg4: usize,
    arg5: usize,
) -> SbiRet {
    let (error, value);
    unsafe {
        core::arch::asm!(
            "ecall",
            in("a7") eid,
            in("a6") fid,
            inlateout("a0") arg0 => error,
            inlateout("a1") arg1 => value,
            in("a2") arg2,
            in("a3") arg3,
            in("a4") arg4,
            in("a5") arg5,
        );
    }
    SbiRet { error, value }
}