| use super::error::{Error, Result}; |
| |
| pub unsafe fn syscall0(mut a: usize) -> Result<usize> { |
| llvm_asm!("svc 0" |
| : "={x0}"(a) |
| : "{x8}"(a) |
| : "x0", "x8" |
| : "volatile"); |
| |
| Error::demux(a) |
| } |
| |
| pub unsafe fn syscall1(mut a: usize, b: usize) -> Result<usize> { |
| llvm_asm!("svc 0" |
| : "={x0}"(a) |
| : "{x8}"(a), "{x0}"(b) |
| : "x0", "x8" |
| : "volatile"); |
| |
| Error::demux(a) |
| } |
| |
| pub unsafe fn syscall2(mut a: usize, b: usize, c: usize) -> Result<usize> { |
| llvm_asm!("svc 0" |
| : "={x0}"(a) |
| : "{x8}"(a), "{x0}"(b), "{x1}"(c) |
| : "x0", "x1", "x8" |
| : "volatile"); |
| |
| Error::demux(a) |
| } |
| |
| pub unsafe fn syscall3(mut a: usize, b: usize, c: usize, d: usize) -> Result<usize> { |
| llvm_asm!("svc 0" |
| : "={x0}"(a) |
| : "{x8}"(a), "{x0}"(b), "{x1}"(c), "{x2}"(d) |
| : "x0", "x1", "x2", "x8" |
| : "volatile"); |
| |
| Error::demux(a) |
| } |
| |
| pub unsafe fn syscall4(mut a: usize, b: usize, c: usize, d: usize, e: usize) -> Result<usize> { |
| llvm_asm!("svc 0" |
| : "={x0}"(a) |
| : "{x8}"(a), "{x0}"(b), "{x1}"(c), "{x2}"(d), "{x3}"(e) |
| : "x0", "x1", "x2", "x3", "x8" |
| : "volatile"); |
| |
| Error::demux(a) |
| } |
| |
| pub unsafe fn syscall5(mut a: usize, b: usize, c: usize, d: usize, e: usize, f: usize) |
| -> Result<usize> { |
| llvm_asm!("svc 0" |
| : "={x0}"(a) |
| : "{x8}"(a), "{x0}"(b), "{x1}"(c), "{x2}"(d), "{x3}"(e), "{x4}"(f) |
| : "x0", "x1", "x2", "x3", "x4", "x8" |
| : "volatile"); |
| |
| Error::demux(a) |
| } |