| use super::error::{Error, Result}; |
| |
| pub unsafe fn syscall0(mut a: usize) -> Result<usize> { |
| asm!("swi $$0" |
| : "={r0}"(a) |
| : "{r7}"(a) |
| : "memory" |
| : "volatile"); |
| |
| Error::demux(a) |
| } |
| |
| pub unsafe fn syscall1(mut a: usize, b: usize) -> Result<usize> { |
| asm!("swi $$0" |
| : "={r0}"(a) |
| : "{r7}"(a), "{r0}"(b) |
| : "memory" |
| : "volatile"); |
| |
| Error::demux(a) |
| } |
| |
| // Clobbers all registers - special for clone |
| pub unsafe fn syscall1_clobber(mut a: usize, b: usize) -> Result<usize> { |
| asm!("swi $$0" |
| : "={r0}"(a) |
| : "{r7}"(a), "{r0}"(b) |
| : "memory", "r0", "r1", "r2", "r3", "r4" |
| : "volatile"); |
| |
| Error::demux(a) |
| } |
| |
| pub unsafe fn syscall2(mut a: usize, b: usize, c: usize) -> Result<usize> { |
| asm!("swi $$0" |
| : "={r0}"(a) |
| : "{r7}"(a), "{r0}"(b), "{r1}"(c) |
| : "memory" |
| : "volatile"); |
| |
| Error::demux(a) |
| } |
| |
| pub unsafe fn syscall3(mut a: usize, b: usize, c: usize, d: usize) -> Result<usize> { |
| asm!("swi $$0" |
| : "={r0}"(a) |
| : "{r7}"(a), "{r0}"(b), "{r1}"(c), "{r2}"(d) |
| : "memory" |
| : "volatile"); |
| |
| Error::demux(a) |
| } |
| |
| pub unsafe fn syscall4(mut a: usize, b: usize, c: usize, d: usize, e: usize) -> Result<usize> { |
| asm!("swi $$0" |
| : "={r0}"(a) |
| : "{r7}"(a), "{r0}"(b), "{r1}"(c), "{r2}"(d), "{r3}"(e) |
| : "memory" |
| : "volatile"); |
| |
| Error::demux(a) |
| } |
| |
| pub unsafe fn syscall5(mut a: usize, b: usize, c: usize, d: usize, e: usize, f: usize) |
| -> Result<usize> { |
| asm!("swi $$0" |
| : "={r0}"(a) |
| : "{r7}"(a), "{r0}"(b), "{r1}"(c), "{r2}"(d), "{r3}"(e), "{r4}"(f) |
| : "memory" |
| : "volatile"); |
| |
| Error::demux(a) |
| } |