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authortaitep <taitep@taitep.se>2025-12-30 20:53:57 +0100
committertaitep <taitep@taitep.se>2025-12-30 20:53:57 +0100
commit0f0e844223a17452835aed88adb3af976d2e1eae (patch)
tree2d993912a48ef5277c70035bb02c160e53a0f733 /src/instructions.rs
parent5a383956c9ee27d50452aa237a9f34b7f75e8f7c (diff)
Finish RV64M
Diffstat (limited to 'src/instructions.rs')
-rw-r--r--src/instructions.rs17
1 files changed, 15 insertions, 2 deletions
diff --git a/src/instructions.rs b/src/instructions.rs
index 2a224b3..d820f35 100644
--- a/src/instructions.rs
+++ b/src/instructions.rs
@@ -32,7 +32,6 @@ pub(crate) fn find_and_exec(instr: Instruction, core: &mut Core) -> Result<(), E
// OP
(0b000, 0b0000000) => rvi::add(core, instr),
(0b000, 0b0100000) => rvi::sub(core, instr),
- (0b000, 0b0000001) => rvm::mul(core, instr),
(0b010, 0b0000000) => rvi::slt(core, instr),
(0b011, 0b0000000) => rvi::sltu(core, instr),
(0b001, 0b0000000) => rvi::sll(core, instr),
@@ -40,8 +39,16 @@ pub(crate) fn find_and_exec(instr: Instruction, core: &mut Core) -> Result<(), E
(0b101, 0b0100000) => rvi::sra(core, instr),
(0b111, 0b0000000) => rvi::and(core, instr),
(0b100, 0b0000000) => rvi::xor(core, instr),
- (0b100, 0b0000001) => rvm::div(core, instr),
(0b110, 0b0000000) => rvi::or(core, instr),
+ // rvm
+ (0b000, 0b0000001) => rvm::mul(core, instr),
+ (0b001, 0b0000001) => rvm::mulh(core, instr),
+ (0b010, 0b0000001) => rvm::mulhsu(core, instr),
+ (0b011, 0b0000001) => rvm::mulhu(core, instr),
+ (0b100, 0b0000001) => rvm::div(core, instr),
+ (0b101, 0b0000001) => rvm::divu(core, instr),
+ (0b110, 0b0000001) => rvm::rem(core, instr),
+ (0b111, 0b0000001) => rvm::remu(core, instr),
_ => illegal(instr),
},
0b01110 => match (instr.funct3(), instr.funct7()) {
@@ -51,6 +58,12 @@ pub(crate) fn find_and_exec(instr: Instruction, core: &mut Core) -> Result<(), E
(0b001, 0b0000000) => rvi::sllw(core, instr),
(0b101, 0b0000000) => rvi::srlw(core, instr),
(0b101, 0b0100000) => rvi::sraw(core, instr),
+ // rvm
+ (0b000, 0b0000001) => rvm::mulw(core, instr),
+ (0b100, 0b0000001) => rvm::divw(core, instr),
+ (0b101, 0b0000001) => rvm::divuw(core, instr),
+ (0b110, 0b0000001) => rvm::remw(core, instr),
+ (0b111, 0b0000001) => rvm::remuw(core, instr),
_ => illegal(instr),
},
0b00100 => match instr.funct3() {