jD91mZM2
7f668b27cf
Also removes the syscall1_clobber call, because `clone` now saves the registers in the kernel anyway.
63 lines
1.5 KiB
Rust
63 lines
1.5 KiB
Rust
use super::error::{Error, Result};
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pub unsafe fn syscall0(mut a: usize) -> Result<usize> {
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llvm_asm!("swi $$0"
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: "={r0}"(a)
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: "{r7}"(a)
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: "memory"
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: "volatile");
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Error::demux(a)
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}
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pub unsafe fn syscall1(mut a: usize, b: usize) -> Result<usize> {
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llvm_asm!("swi $$0"
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: "={r0}"(a)
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: "{r7}"(a), "{r0}"(b)
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: "memory"
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: "volatile");
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Error::demux(a)
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}
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pub unsafe fn syscall2(mut a: usize, b: usize, c: usize) -> Result<usize> {
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llvm_asm!("swi $$0"
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: "={r0}"(a)
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: "{r7}"(a), "{r0}"(b), "{r1}"(c)
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: "memory"
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: "volatile");
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Error::demux(a)
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}
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pub unsafe fn syscall3(mut a: usize, b: usize, c: usize, d: usize) -> Result<usize> {
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llvm_asm!("swi $$0"
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: "={r0}"(a)
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: "{r7}"(a), "{r0}"(b), "{r1}"(c), "{r2}"(d)
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: "memory"
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: "volatile");
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Error::demux(a)
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}
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pub unsafe fn syscall4(mut a: usize, b: usize, c: usize, d: usize, e: usize) -> Result<usize> {
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llvm_asm!("swi $$0"
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: "={r0}"(a)
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: "{r7}"(a), "{r0}"(b), "{r1}"(c), "{r2}"(d), "{r3}"(e)
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: "memory"
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: "volatile");
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Error::demux(a)
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}
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pub unsafe fn syscall5(mut a: usize, b: usize, c: usize, d: usize, e: usize, f: usize)
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-> Result<usize> {
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llvm_asm!("swi $$0"
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: "={r0}"(a)
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: "{r7}"(a), "{r0}"(b), "{r1}"(c), "{r2}"(d), "{r3}"(e), "{r4}"(f)
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: "memory"
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: "volatile");
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Error::demux(a)
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}
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