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authorDavid Li <li.davidm96@gmail.com>2015-12-25 10:57:04 -0700
committerDavid Li <li.davidm96@gmail.com>2015-12-25 10:57:04 -0700
commitf235d8e500e9fd9945d07ed347ccab5214d26eba (patch)
tree24d6d9748edd2a61e38d9089450f8cbe096c751b /src/isa
parent39ce6b062b6d36495098e39dfd813212757ac4f3 (diff)
Add trait for memory interface
Diffstat (limited to 'src/isa')
-rw-r--r--src/isa/mod.rs4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/isa/mod.rs b/src/isa/mod.rs
index 49fad10..5458255 100644
--- a/src/isa/mod.rs
+++ b/src/isa/mod.rs
@@ -4,6 +4,10 @@ pub mod funct7;
pub type Word = u32;
pub type SignedWord = i32;
+pub type HalfWord = u16;
+pub type SignedHalfWord = i16;
+pub type Byte = u8;
+pub type SignedByte = i8;
// TODO: directly encode PC as u32, as architecturally specified
pub type Address = usize;