Implement SLLI and fix sign extension of immediates for I-type and S-type instructions

2025-12-21 14:00:47 +01:00
parent 87e6d03dbd
commit d03863f5a2
3 changed files with 24 additions and 4 deletions
--- a/src/instructions.rs
+++ b/src/instructions.rs
@@ -16,6 +16,11 @@ pub(crate) fn find_and_exec(instr: Instruction, core: &mut Core) -> Option<Instr
        0b00100 => match instr.funct3() {
            // OP_IMM
            0b000 => Some(rvi::addi(core, instr)),
+            0b001 => match instr.funct6() {
+                // left-shift immediate
+                0b000000 => Some(rvi::slli(core, instr)),
+                _ => None,
+            },
            _ => None,
        },
        0b00110 => match instr.funct3() {