diff options
| author | David Li <li.davidm96@gmail.com> | 2015-12-19 09:27:18 -0500 |
|---|---|---|
| committer | David Li <li.davidm96@gmail.com> | 2015-12-19 09:27:18 -0500 |
| commit | 8ca42acf1a92ac0d811bbeecf8aed25a8c2d5a30 (patch) | |
| tree | f824224b73329438bbdd46757294d5991ef2f410 /src/isa/mod.rs | |
| parent | fd582a1cbd091576701d12e886d9ad91527320f9 (diff) | |
Implement RV32I integer-immediate instructions
Diffstat (limited to 'src/isa/mod.rs')
| -rw-r--r-- | src/isa/mod.rs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/isa/mod.rs b/src/isa/mod.rs index ebfd4e8..0e3261b 100644 --- a/src/isa/mod.rs +++ b/src/isa/mod.rs @@ -110,6 +110,10 @@ impl Instruction { (self.word >> 25) & 0x7F } + pub fn shamt(&self) -> u32 { + (self.word >> 20) & 0x1F + } + pub fn rs1(&self) -> Register { Register::from_num((self.word >> 15) & 0x1F) } |