Jeremy Soller
51 lines
1.2 KiB
Rust
51 lines
1.2 KiB
Rust
use core::{ptr, slice};
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use platform::sys::e;
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use platform::types::*;
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#[no_mangle]
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pub unsafe extern "C" fn redox_fpath(fd: c_int, buf: *mut c_void, count: size_t) -> ssize_t {
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e(syscall::fpath(
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fd as usize,
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slice::from_raw_parts_mut(buf as *mut u8, count),
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)) as ssize_t
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}
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#[no_mangle]
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pub unsafe extern "C" fn redox_physalloc(size: size_t) -> *mut c_void {
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let res = e(syscall::physalloc(size));
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if res == !0 {
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return ptr::null_mut();
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} else {
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return res as *mut c_void;
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}
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}
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#[no_mangle]
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pub unsafe extern "C" fn redox_physfree(physical_address: *mut c_void, size: size_t) -> c_int {
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e(syscall::physfree(physical_address as usize, size)) as c_int
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}
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#[no_mangle]
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pub unsafe extern "C" fn redox_physmap(
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physical_address: *mut c_void,
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size: size_t,
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flags: c_int,
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) -> *mut c_void {
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let res = e(syscall::physmap(
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physical_address as usize,
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size,
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flags as usize,
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));
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if res == !0 {
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return ptr::null_mut();
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} else {
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return res as *mut c_void;
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}
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}
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#[no_mangle]
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pub unsafe extern "C" fn redox_physunmap(virtual_address: *mut c_void) -> c_int {
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e(syscall::physunmap(virtual_address as usize)) as c_int
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}
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