Initial vendor packages

Signed-off-by: Valentin Popov <valentin@popov.link>

vendor/redox_syscall/src/arch/nonredox.rs

@@ -0,0 +1,29 @@
+use super::error::{Error, Result, ENOSYS};
+
+// Doesn't really matter, but since we will most likely run on an x86_64 host, why not 4096?
+pub const PAGE_SIZE: usize = 4096;
+
+pub unsafe fn syscall0(_a: usize) -> Result<usize> {
+    Err(Error::new(ENOSYS))
+}
+
+pub unsafe fn syscall1(_a: usize, _b: usize) -> Result<usize> {
+    Err(Error::new(ENOSYS))
+}
+
+pub unsafe fn syscall2(_a: usize, _b: usize, _c: usize) -> Result<usize> {
+    Err(Error::new(ENOSYS))
+}
+
+pub unsafe fn syscall3(_a: usize, _b: usize, _c: usize, _d: usize) -> Result<usize> {
+    Err(Error::new(ENOSYS))
+}
+
+pub unsafe fn syscall4(_a: usize, _b: usize, _c: usize, _d: usize, _e: usize) -> Result<usize> {
+    Err(Error::new(ENOSYS))
+}
+
+pub unsafe fn syscall5(_a: usize, _b: usize, _c: usize, _d: usize, _e: usize, _f: usize)
+                       -> Result<usize> {
+    Err(Error::new(ENOSYS))
+}