From 7a8d3d1f6cca415d985bb9d8750cf47e3a8dd8d6 Mon Sep 17 00:00:00 2001
From: Vadim Kaushan <admin@disasm.info>
Date: Tue, 25 Jun 2019 23:48:27 +0300
Subject: [PATCH] Implement mscratch and mtval registers

---
 src/register/mod.rs      | 4 ++--
 src/register/mscratch.rs | 4 ++++
 src/register/mtval.rs    | 3 +++
 3 files changed, 9 insertions(+), 2 deletions(-)
 create mode 100644 src/register/mscratch.rs
 create mode 100644 src/register/mtval.rs

diff --git a/src/register/mod.rs b/src/register/mod.rs
index 06591ed..267a45c 100644
--- a/src/register/mod.rs
+++ b/src/register/mod.rs
@@ -67,10 +67,10 @@ pub mod mtvec;
 
 
 // Machine Trap Handling
-// TODO: mscratch
+pub mod mscratch;
 pub mod mepc;
 pub mod mcause;
-// TODO: mtval
+pub mod mtval;
 pub mod mip;
 
 
diff --git a/src/register/mscratch.rs b/src/register/mscratch.rs
new file mode 100644
index 0000000..c5ef9fe
--- /dev/null
+++ b/src/register/mscratch.rs
@@ -0,0 +1,4 @@
+//! mscratch register
+
+read_csr_as_usize!(0x340, __read_mscratch);
+write_csr_as_usize!(0x340, __write_mscratch);
diff --git a/src/register/mtval.rs b/src/register/mtval.rs
new file mode 100644
index 0000000..2afb7cb
--- /dev/null
+++ b/src/register/mtval.rs
@@ -0,0 +1,3 @@
+//! mtval register
+
+read_csr_as_usize!(0x343, __read_mtval);