From 5600ebffdf12117d398476f93897a8cc289eb468 Mon Sep 17 00:00:00 2001
From: David Li <li.davidm96@gmail.com>
Date: Thu, 14 Jan 2016 15:57:12 -0700
Subject: Match rustv refactor, check traps properly

---
 src/main.rs | 36 ++++++++++++++++++++++++------------
 1 file changed, 24 insertions(+), 12 deletions(-)

(limited to 'src/main.rs')

diff --git a/src/main.rs b/src/main.rs
index 615a965..ce1f336 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,5 @@
+#![feature(augmented_assignments)]
+
 extern crate docopt;
 #[macro_use] extern crate log;
 extern crate env_logger;
@@ -19,7 +21,7 @@ use std::cell::RefCell;
 use docopt::Docopt;
 
 use rustv::elfloader;
-use rustv::isa;
+use rustv::isa::{self, IsaType};
 use rustv::memory;
 use rustv::memory::Mmu;
 use rustv::simulator;
@@ -53,7 +55,7 @@ fn load_program<T: memory::Mmu>(memory: &mut memory::Memory,
     f.read_to_end(&mut buffer).unwrap();
 
     let elf = elfloader::ElfBinary::new("test", &buffer).unwrap();
-    let start = elf.file_header().entry as isa::Address;
+    let start = isa::Word(elf.file_header().entry);
 
     for p in elf.section_headers() {
         if p.flags.0 & elfloader::elf::SHF_ALLOC.0 != 0 {
@@ -64,6 +66,16 @@ fn load_program<T: memory::Mmu>(memory: &mut memory::Memory,
     start
 }
 
+fn generate_payload() -> isa::Byte {
+    let mut payload = rand::random::<u8>();
+    while payload == shareable_cache::WRITE_TRAP_VALUE.0 ||
+        payload == shareable_cache::AREA_TRAP_VALUE.0 {
+            payload = rand::random::<u8>();
+    }
+
+    isa::Byte(payload)
+}
+
 fn main() {
     env_logger::init().unwrap();
 
@@ -73,14 +85,14 @@ fn main() {
 
     let mmu = memory::IdentityMmu::new();
     // TODO: account for word-vs-byte addressed. Use newtype pattern?
-    let mmu2 = memory::ReverseMmu::new(0x4000000);
+    let mmu2 = memory::ReverseMmu::new(isa::Word(0x4000000));
     let mut memory = memory::Memory::new(0x1000000);
 
     let start1 = load_program(&mut memory, &mmu, &args.arg_program1);
     let start2 = load_program(&mut memory, &mmu2, &args.arg_program2);
 
-    let payload1 = rand::random::<u8>();
-    let payload2 = rand::random::<u8>();
+    let payload1 = generate_payload();
+    let payload2 = generate_payload();
 
     let memory = MemoryTracker::new(memory, payload1, payload2);
     // TODO: initialize global data
@@ -99,11 +111,11 @@ fn main() {
             ShareableCache::new(i, cache_ref.clone(), cache2_ref.clone())));
         core_caches.push(core_cache.clone());
         let mut core = simulator::Core::new(
-            i, start1, (0x100000 * (i + 1)) as u32, core_cache,
+            i, start1, isa::Word(0x100000 * (i + 1) as u32), core_cache,
             Box::new(memory::IdentityMmu::new())
             );
-        core.registers().write_word(isa::Register::X10, i as isa::Word);
-        core.registers().write_word(isa::Register::X11, payload1 as isa::Word);
+        core.registers().write_word(isa::Register::X10, isa::Word(i as u32));
+        core.registers().write_word(isa::Register::X11, payload1.as_word());
         cores.push(core);
     }
 
@@ -112,11 +124,11 @@ fn main() {
             ShareableCache::new(i, cache2_ref.clone(), cache_ref.clone())));
         core_caches.push(core_cache.clone());
         let mut core = simulator::Core::new(
-            i, start2, (0x100000 * (i + 1)) as u32, core_cache,
-            Box::new(memory::ReverseMmu::new(0x4000000))
+            i, start2, isa::Word(0x100000 * (i + 1) as u32), core_cache,
+            Box::new(memory::ReverseMmu::new(isa::Word(0x4000000)))
             );
-        core.registers().write_word(isa::Register::X10, (i - 4) as isa::Word);
-        core.registers().write_word(isa::Register::X11, payload2 as isa::Word);
+        core.registers().write_word(isa::Register::X10, isa::Word((i - 4) as u32));
+        core.registers().write_word(isa::Register::X11, payload2.as_word());
         cores.push(core);
     }
 
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