Use updated ACPI crate to parse ACPI in x86

Author: Jiajie Chen

crate/memory/src/lib.rs

@@ -1,7 +1,5 @@
 #![cfg_attr(not(test), no_std)]
-#![feature(alloc)]
 #![feature(nll)]
-#![feature(maybe_uninit)]
 
 // import macros from log
 use log::*;

kernel/Cargo.lock

@@ -77,7 +77,8 @@ x86_64 = "0.6"
 raw-cpuid = "6.0"
 uart_16550 = "0.2"
 pc-keyboard = "0.5"
-acpi = "0.2"
+acpi = { git = "https://github.com/rust-osdev/acpi" }
+aml_parser = { git = "https://github.com/rust-osdev/acpi" }
 
 [target.'cfg(any(target_arch = "riscv32", target_arch = "riscv64"))'.dependencies]
 riscv = { git = "https://github.com/rcore-os/riscv", features = ["inline-asm"] }

kernel/Cargo.toml

@@ -1,6 +1,8 @@
 use crate::arch::consts::PHYSICAL_MEMORY_OFFSET;
 use acpi::{search_for_rsdp_bios, AcpiHandler, PhysicalMapping};
 use core::ptr::NonNull;
+use crate::memory::phys_to_virt;
+use core::slice;
 
 struct Handler;
 
@@ -27,5 +29,7 @@ impl AcpiHandler for Handler {
 pub fn init() {
     let mut handler = Handler {};
     let res = unsafe { search_for_rsdp_bios(&mut handler) };
-    debug!("ACPI {:#x?}", res);
+    if let Ok(acpi) = res {
+        debug!("ACPI {:#x?}", acpi);
+    }
 }