mirror of
https://github.com/phil-opp/blog_os.git
synced 2025-12-16 14:27:49 +00:00
Repeat previous for post-08
This commit is contained in:
@@ -322,7 +322,7 @@ pub extern "C" fn _start() -> ! {
|
|||||||
blog_os::init();
|
blog_os::init();
|
||||||
|
|
||||||
// new
|
// new
|
||||||
let ptr = 0xdeadbeaf as *mut u32;
|
let ptr = 0xdeadbeaf as *mut u8;
|
||||||
unsafe { *ptr = 42; }
|
unsafe { *ptr = 42; }
|
||||||
|
|
||||||
// as before
|
// as before
|
||||||
@@ -347,7 +347,7 @@ pub extern "C" fn _start() -> ! {
|
|||||||
```rust
|
```rust
|
||||||
// Note: The actual address might be different for you. Use the address that
|
// Note: The actual address might be different for you. Use the address that
|
||||||
// your page fault handler reports.
|
// your page fault handler reports.
|
||||||
let ptr = 0x2031b2 as *mut u32;
|
let ptr = 0x2031b2 as *mut u8;
|
||||||
|
|
||||||
// read from a code page
|
// read from a code page
|
||||||
unsafe { let x = *ptr; }
|
unsafe { let x = *ptr; }
|
||||||
|
|||||||
@@ -329,7 +329,7 @@ pub extern "C" fn _start() -> ! {
|
|||||||
blog_os::init();
|
blog_os::init();
|
||||||
|
|
||||||
// ここを追加
|
// ここを追加
|
||||||
let ptr = 0xdeadbeaf as *mut u32;
|
let ptr = 0xdeadbeaf as *mut u8;
|
||||||
unsafe { *ptr = 42; }
|
unsafe { *ptr = 42; }
|
||||||
|
|
||||||
// ここはこれまでと同じ
|
// ここはこれまでと同じ
|
||||||
@@ -354,7 +354,7 @@ pub extern "C" fn _start() -> ! {
|
|||||||
```rust
|
```rust
|
||||||
// 注意:実際のアドレスは個々人で違うかもしれません。
|
// 注意:実際のアドレスは個々人で違うかもしれません。
|
||||||
// あなたのページフォルトハンドラが報告した値を使ってください。
|
// あなたのページフォルトハンドラが報告した値を使ってください。
|
||||||
let ptr = 0x2031b2 as *mut u32;
|
let ptr = 0x2031b2 as *mut u8;
|
||||||
|
|
||||||
// コードページから読み込む
|
// コードページから読み込む
|
||||||
unsafe { let x = *ptr; }
|
unsafe { let x = *ptr; }
|
||||||
|
|||||||
@@ -316,7 +316,7 @@ pub extern "C" fn _start() -> ! {
|
|||||||
blog_os::init();
|
blog_os::init();
|
||||||
|
|
||||||
// new
|
// new
|
||||||
let ptr = 0xdeadbeaf as *mut u32;
|
let ptr = 0xdeadbeaf as *mut u8;
|
||||||
unsafe { *ptr = 42; }
|
unsafe { *ptr = 42; }
|
||||||
|
|
||||||
// as before
|
// as before
|
||||||
@@ -341,7 +341,7 @@ We see that the current instruction pointer is `0x2031b2`, so we know that this
|
|||||||
```rust
|
```rust
|
||||||
// Note: The actual address might be different for you. Use the address that
|
// Note: The actual address might be different for you. Use the address that
|
||||||
// your page fault handler reports.
|
// your page fault handler reports.
|
||||||
let ptr = 0x2031b2 as *mut u32;
|
let ptr = 0x2031b2 as *mut u8;
|
||||||
|
|
||||||
// read from a code page
|
// read from a code page
|
||||||
unsafe { let x = *ptr; }
|
unsafe { let x = *ptr; }
|
||||||
|
|||||||
@@ -325,7 +325,7 @@ pub extern "C" fn _start() -> ! {
|
|||||||
blog_os::init();
|
blog_os::init();
|
||||||
|
|
||||||
// new
|
// new
|
||||||
let ptr = 0xdeadbeaf as *mut u32;
|
let ptr = 0xdeadbeaf as *mut u8;
|
||||||
unsafe { *ptr = 42; }
|
unsafe { *ptr = 42; }
|
||||||
|
|
||||||
// as before
|
// as before
|
||||||
@@ -350,7 +350,7 @@ pub extern "C" fn _start() -> ! {
|
|||||||
```rust
|
```rust
|
||||||
// Note: The actual address might be different for you. Use the address that
|
// Note: The actual address might be different for you. Use the address that
|
||||||
// your page fault handler reports.
|
// your page fault handler reports.
|
||||||
let ptr = 0x2031b2 as *mut u32;
|
let ptr = 0x2031b2 as *mut u8;
|
||||||
|
|
||||||
// read from a code page
|
// read from a code page
|
||||||
unsafe { let x = *ptr; }
|
unsafe { let x = *ptr; }
|
||||||
|
|||||||
Reference in New Issue
Block a user