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-rw-r--r--vendor/redox_syscall/src/arch/aarch64.rs150
1 files changed, 150 insertions, 0 deletions
diff --git a/vendor/redox_syscall/src/arch/aarch64.rs b/vendor/redox_syscall/src/arch/aarch64.rs
new file mode 100644
index 0000000..e792427
--- /dev/null
+++ b/vendor/redox_syscall/src/arch/aarch64.rs
@@ -0,0 +1,150 @@
+use core::{mem, slice};
+use core::ops::{Deref, DerefMut};
+
+use super::error::{Error, Result};
+
+pub const PAGE_SIZE: usize = 4096;
+
+macro_rules! syscall {
+ ($($name:ident($a:ident, $($b:ident, $($c:ident, $($d:ident, $($e:ident, $($f:ident, )?)?)?)?)?);)+) => {
+ $(
+ pub unsafe fn $name($a: usize, $($b: usize, $($c: usize, $($d: usize, $($e: usize, $($f: usize)?)?)?)?)?) -> Result<usize> {
+ let ret: usize;
+
+ core::arch::asm!(
+ "svc 0",
+ in("x8") $a,
+ $(
+ in("x0") $b,
+ $(
+ in("x1") $c,
+ $(
+ in("x2") $d,
+ $(
+ in("x3") $e,
+ $(
+ in("x4") $f,
+ )?
+ )?
+ )?
+ )?
+ )?
+ lateout("x0") ret,
+ options(nostack),
+ );
+
+ Error::demux(ret)
+ }
+ )+
+ };
+}
+
+syscall! {
+ syscall0(a,);
+ syscall1(a, b,);
+ syscall2(a, b, c,);
+ syscall3(a, b, c, d,);
+ syscall4(a, b, c, d, e,);
+ syscall5(a, b, c, d, e, f,);
+}
+
+#[derive(Copy, Clone, Debug, Default)]
+#[repr(C)]
+pub struct IntRegisters {
+ pub x30: usize,
+ pub x29: usize,
+ pub x28: usize,
+ pub x27: usize,
+ pub x26: usize,
+ pub x25: usize,
+ pub x24: usize,
+ pub x23: usize,
+ pub x22: usize,
+ pub x21: usize,
+ pub x20: usize,
+ pub x19: usize,
+ pub x18: usize,
+ pub x17: usize,
+ pub x16: usize,
+ pub x15: usize,
+ pub x14: usize,
+ pub x13: usize,
+ pub x12: usize,
+ pub x11: usize,
+ pub x10: usize,
+ pub x9: usize,
+ pub x8: usize,
+ pub x7: usize,
+ pub x6: usize,
+ pub x5: usize,
+ pub x4: usize,
+ pub x3: usize,
+ pub x2: usize,
+ pub x1: usize,
+ pub x0: usize
+}
+
+impl Deref for IntRegisters {
+ type Target = [u8];
+ fn deref(&self) -> &[u8] {
+ unsafe {
+ slice::from_raw_parts(self as *const IntRegisters as *const u8, mem::size_of::<IntRegisters>())
+ }
+ }
+}
+
+impl DerefMut for IntRegisters {
+ fn deref_mut(&mut self) -> &mut [u8] {
+ unsafe {
+ slice::from_raw_parts_mut(self as *mut IntRegisters as *mut u8, mem::size_of::<IntRegisters>())
+ }
+ }
+}
+
+#[derive(Clone, Copy, Debug, Default)]
+#[repr(packed)]
+pub struct FloatRegisters {
+ pub fp_simd_regs: [u128; 32],
+ pub fpsr: u32,
+ pub fpcr: u32
+}
+
+impl Deref for FloatRegisters {
+ type Target = [u8];
+ fn deref(&self) -> &[u8] {
+ unsafe {
+ slice::from_raw_parts(self as *const FloatRegisters as *const u8, mem::size_of::<FloatRegisters>())
+ }
+ }
+}
+
+impl DerefMut for FloatRegisters {
+ fn deref_mut(&mut self) -> &mut [u8] {
+ unsafe {
+ slice::from_raw_parts_mut(self as *mut FloatRegisters as *mut u8, mem::size_of::<FloatRegisters>())
+ }
+ }
+}
+
+#[derive(Clone, Copy, Debug, Default)]
+#[repr(packed)]
+pub struct EnvRegisters {
+ pub tpidr_el0: usize,
+ pub tpidrro_el0: usize,
+}
+impl Deref for EnvRegisters {
+ type Target = [u8];
+ fn deref(&self) -> &[u8] {
+ unsafe {
+ slice::from_raw_parts(self as *const EnvRegisters as *const u8, mem::size_of::<EnvRegisters>())
+ }
+ }
+}
+
+impl DerefMut for EnvRegisters {
+ fn deref_mut(&mut self) -> &mut [u8] {
+ unsafe {
+ slice::from_raw_parts_mut(self as *mut EnvRegisters as *mut u8, mem::size_of::<EnvRegisters>())
+ }
+ }
+}