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-rw-r--r--js/src/jit/riscv64/extension/extension-riscv-zicsr.cc44
1 files changed, 44 insertions, 0 deletions
diff --git a/js/src/jit/riscv64/extension/extension-riscv-zicsr.cc b/js/src/jit/riscv64/extension/extension-riscv-zicsr.cc
new file mode 100644
index 0000000000..7fa87393a3
--- /dev/null
+++ b/js/src/jit/riscv64/extension/extension-riscv-zicsr.cc
@@ -0,0 +1,44 @@
+// Copyright 2022 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+#include "jit/riscv64/extension/extension-riscv-zicsr.h"
+
+#include "jit/riscv64/constant/Constant-riscv64.h"
+#include "jit/riscv64/Register-riscv64.h"
+#include "jit/riscv64/Assembler-riscv64.h"
+#include "jit/riscv64/Architecture-riscv64.h"
+namespace js {
+namespace jit {
+
+void AssemblerRISCVZicsr::csrrw(Register rd, ControlStatusReg csr,
+ Register rs1) {
+ GenInstrCSR_ir(0b001, rd, csr, rs1);
+}
+
+void AssemblerRISCVZicsr::csrrs(Register rd, ControlStatusReg csr,
+ Register rs1) {
+ GenInstrCSR_ir(0b010, rd, csr, rs1);
+}
+
+void AssemblerRISCVZicsr::csrrc(Register rd, ControlStatusReg csr,
+ Register rs1) {
+ GenInstrCSR_ir(0b011, rd, csr, rs1);
+}
+
+void AssemblerRISCVZicsr::csrrwi(Register rd, ControlStatusReg csr,
+ uint8_t imm5) {
+ GenInstrCSR_ii(0b101, rd, csr, imm5);
+}
+
+void AssemblerRISCVZicsr::csrrsi(Register rd, ControlStatusReg csr,
+ uint8_t imm5) {
+ GenInstrCSR_ii(0b110, rd, csr, imm5);
+}
+
+void AssemblerRISCVZicsr::csrrci(Register rd, ControlStatusReg csr,
+ uint8_t imm5) {
+ GenInstrCSR_ii(0b111, rd, csr, imm5);
+}
+
+} // namespace jit
+} // namespace js