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fix warnings

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Signed-off-by: Sean Cross <sean@xobs.io>
This commit is contained in:
Sean Cross 2023-12-31 09:01:28 +08:00
parent 2e8e1bca84
commit f54c3bdc6e
2 changed files with 19 additions and 11 deletions
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28
src/xous.rs
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@ -249,17 +249,23 @@ impl XousHandler {
impl XousHandler {
fn syscall(&mut self, cpu: &mut riscv_cpu::Cpu, syscall: Syscall) -> [i64; 8] {
print!("Syscall: ");
match syscall {
Syscall::IncreaseHeap(bytes, flags) => {
Syscall::IncreaseHeap(bytes, _flags) => {
println!("IncreaseHeap({} bytes, flags: {:02x})", bytes, _flags);
let heap_address = self.heap_start + self.heap_size;
if bytes < 0 {
self.heap_size -= bytes.abs() as u32;
panic!("Reducing size not supported!");
} else if bytes > 0 {
for new_address in (heap_address..(heap_address + bytes as u32)).step_by(4096) {
self.ensure_page(cpu, new_address);
}
self.heap_size += bytes as u32;
match bytes {
bytes if bytes < 0 => {
self.heap_size -= bytes.unsigned_abs() as u32;
panic!("Reducing size not supported!");
},
bytes if bytes > 0 => {
for new_address in (heap_address..(heap_address + bytes as u32)).step_by(4096) {
self.ensure_page(cpu, new_address);
}
self.heap_size += bytes as u32;
},
_ => {},
}
[
SyscallResultNumber::MemoryRange as i64,
@ -273,7 +279,7 @@ impl XousHandler {
]
}
Syscall::Unknown(args) => {
println!("Unknown syscall {:?}: {:?}", SyscallNumber::from(args[0]), args);
println!("Unhandled {:?}: {:?}", SyscallNumber::from(args[0]), &args[1..]);
[SyscallResultNumber::Unimplemented as _, 0, 0, 0, 0, 0, 0, 0]
}
}
@ -283,7 +289,7 @@ impl XousHandler {
impl EventHandler for XousHandler {
fn handle_event(&mut self, cpu: &mut riscv_cpu::Cpu, args: [i64; 8]) -> [i64; 8] {
let syscall: Syscall = args.into();
println!("Syscall {:?} with args: {:?}", syscall, &args[1..]);
// println!("Syscall {:?} with args: {:?}", syscall, &args[1..]);
self.syscall(cpu, syscall)
}
}

2
src/xous/definitions.rs
View File

@ -1,3 +1,5 @@
#![allow(dead_code)]
#[derive(Debug, Copy, Clone)]
pub enum SyscallResultNumber {
Ok = 0,