1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
// 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.
#ifndef jit_riscv64_extension_Extension_riscv_zicsr_h_
#define jit_riscv64_extension_Extension_riscv_zicsr_h_
#include "mozilla/Assertions.h"
#include <stdint.h>
#include "jit/riscv64/extension/base-assembler-riscv.h"
#include "jit/riscv64/Register-riscv64.h"
namespace js {
namespace jit {
class AssemblerRISCVZicsr : public AssemblerRiscvBase {
public:
// CSR
void csrrw(Register rd, ControlStatusReg csr, Register rs1);
void csrrs(Register rd, ControlStatusReg csr, Register rs1);
void csrrc(Register rd, ControlStatusReg csr, Register rs1);
void csrrwi(Register rd, ControlStatusReg csr, uint8_t imm5);
void csrrsi(Register rd, ControlStatusReg csr, uint8_t imm5);
void csrrci(Register rd, ControlStatusReg csr, uint8_t imm5);
// Read instructions-retired counter
void rdinstret(Register rd) { csrrs(rd, csr_instret, zero_reg); }
void rdinstreth(Register rd) { csrrs(rd, csr_instreth, zero_reg); }
void rdcycle(Register rd) { csrrs(rd, csr_cycle, zero_reg); }
void rdcycleh(Register rd) { csrrs(rd, csr_cycleh, zero_reg); }
void rdtime(Register rd) { csrrs(rd, csr_time, zero_reg); }
void rdtimeh(Register rd) { csrrs(rd, csr_timeh, zero_reg); }
void csrr(Register rd, ControlStatusReg csr) { csrrs(rd, csr, zero_reg); }
void csrw(ControlStatusReg csr, Register rs) { csrrw(zero_reg, csr, rs); }
void csrs(ControlStatusReg csr, Register rs) { csrrs(zero_reg, csr, rs); }
void csrc(ControlStatusReg csr, Register rs) { csrrc(zero_reg, csr, rs); }
void csrwi(ControlStatusReg csr, uint8_t imm) { csrrwi(zero_reg, csr, imm); }
void csrsi(ControlStatusReg csr, uint8_t imm) { csrrsi(zero_reg, csr, imm); }
void csrci(ControlStatusReg csr, uint8_t imm) { csrrci(zero_reg, csr, imm); }
void frcsr(Register rd) { csrrs(rd, csr_fcsr, zero_reg); }
void fscsr(Register rd, Register rs) { csrrw(rd, csr_fcsr, rs); }
void fscsr(Register rs) { csrrw(zero_reg, csr_fcsr, rs); }
void frrm(Register rd) { csrrs(rd, csr_frm, zero_reg); }
void fsrm(Register rd, Register rs) { csrrw(rd, csr_frm, rs); }
void fsrm(Register rs) { csrrw(zero_reg, csr_frm, rs); }
void frflags(Register rd) { csrrs(rd, csr_fflags, zero_reg); }
void fsflags(Register rd, Register rs) { csrrw(rd, csr_fflags, rs); }
void fsflags(Register rs) { csrrw(zero_reg, csr_fflags, rs); }
};
} // namespace jit
} // namespace js
#endif // jit_riscv64_extension_Extension_riscv_zicsr_h_
|