| use super::error::{Error, Result}; |
| |
| pub unsafe fn syscall0(mut a: usize) -> Result<usize> { |
| asm!("svc 0" |
| : "={x0}"(a) |
| : "{x8}"(a) |
| : "x0", "x8" |
| : "volatile"); |
| |
| Error::demux(a) |
| } |
| |
| pub unsafe fn syscall1(mut a: usize, b: usize) -> Result<usize> { |
| asm!("svc 0" |
| : "={x0}"(a) |
| : "{x8}"(a), "{x0}"(b) |
| : "x0", "x8" |
| : "volatile"); |
| |
| Error::demux(a) |
| } |
| |
| // Clobbers all registers - special for clone |
| pub unsafe fn syscall1_clobber(mut a: usize, b: usize) -> Result<usize> { |
| asm!("svc 0" |
| : "={x0}"(a) |
| : "{x8}"(a), "{x0}"(b) |
| : "memory", |
| "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7", |
| "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15", |
| "x16", "x17","x18", "x19", "x20", "x21", "x22", "x23", |
| "x24", "x25", "x26", "x27", "x28", "x29", "x30" |
| : "volatile"); |
| |
| Error::demux(a) |
| } |
| |
| pub unsafe fn syscall2(mut a: usize, b: usize, c: usize) -> Result<usize> { |
| 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> { |
| 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> { |
| 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> { |
| 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) |
| } |