From 56b399a7d79a36304a93adab67220ae2af1b93a9 Mon Sep 17 00:00:00 2001
From: Nick Shipp <nick@shipp.ninja>
Date: Mon, 1 Oct 2018 21:41:35 -0400
Subject: Switch to uefi-rs

---
 bunny/src/main.rs | 49 +++++++++----------------------------------------
 1 file changed, 9 insertions(+), 40 deletions(-)

(limited to 'bunny/src/main.rs')

diff --git a/bunny/src/main.rs b/bunny/src/main.rs
index e7f5c70..cfb2f4a 100644
--- a/bunny/src/main.rs
+++ b/bunny/src/main.rs
@@ -2,24 +2,20 @@
 #![no_std]
 #![no_main]
 
-extern crate efi;
-extern crate x86_64;
-extern crate volatile;
+#[macro_use]
+extern crate log;
 
 #[macro_use]
 mod println;
 mod interrupt;
 mod lapic;
 mod io;
-mod uefi;
 mod inttraits;
 
-use core::panic::PanicInfo;
 use core::ptr;
 use core::slice;
 
-use efi::types::Handle;
-use efi::SystemTable;
+use uefi::prelude::*;
 use x86_64::instructions::interrupts;
 
 use self::interrupt::*;
@@ -28,8 +24,6 @@ use self::inttraits::*;
 
 const NUM_CORES: u8 = 4;
 
-static mut SYSTEM_TABLE: *const SystemTable = 0 as *const SystemTable;
-
 #[allow(improper_ctypes)]
 extern "C" {
     #[link_name = "llvm.x86.rdtsc"]
@@ -49,23 +43,18 @@ fn busy() {
 }
 
 #[no_mangle]
-pub extern fn efi_main(_handle: Handle, systab: &SystemTable) -> ! {
+pub extern fn efi_main(_handle: uefi::Handle, systab: &'static SystemTable) -> ! {
     /*
      * Disable interrupts to avoid noise generated before we actually
      * have anything to do *with* interrupts
      */
     interrupts::disable();
 
-    /*
-     * Save EFI system table ptr to globally accessible location.
-     * MUST do this before calling println!(), or just about anything else.
-     */
-    unsafe {
-        SYSTEM_TABLE = systab;
-    }
+    /* Initialize UEFI boot services (logger, allocator) */
+    uefi_services::init(systab);
 
-    println!("FUZZY BUNNIES {}", env!("CARGO_PKG_VERSION"));
-    println!("efi_main @ 0x{:x}", efi_main as *const u8 as usize);
+    info!("FUZZY BUNNIES {}", env!("CARGO_PKG_VERSION"));
+    info!("efi_main @ 0x{:x}", efi_main as *const u8 as usize);
 
     /* Set up basic exception handlers */
     register_handlers();
@@ -133,7 +122,7 @@ pub extern fn efi_main(_handle: Handle, systab: &SystemTable) -> ! {
         n_aps = unsafe { ptr::read_volatile(0x6001 as *const u8) };
     }
 
-    dprintln!("All cores online");
+    debug!("All cores online");
 
     /* All good, turn interrupts back on and idle */
     interrupts::enable();
@@ -142,23 +131,3 @@ pub extern fn efi_main(_handle: Handle, systab: &SystemTable) -> ! {
         unsafe { asm!("hlt"); }
     }
 }
-
-#[lang = "eh_personality"]
-#[no_mangle]
-pub extern fn eh_personality() { }
-
-#[no_mangle]
-#[panic_handler]
-pub extern fn panic_impl(pi: &PanicInfo) -> ! {
-    println!("!!! PANIC !!!");
-
-    if let Some(loc) = pi.location() {
-        println!("in file {}:{}:{}", loc.file(), loc.line(), loc.column());
-    }
-
-    if let Some(msg) = pi.message() {
-        println!("{}", msg);
-    }
-
-    loop {}
-}
-- 
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