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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#ifndef _ASM_INST_H
#define _ASM_INST_H
#include <linux/bitops.h>
#include <linux/types.h>
#include <asm/asm.h>
#include <asm/ptrace.h>
#define INSN_NOP 0x03400000
#define INSN_BREAK 0x002a0000
#define INSN_HVCL 0x002b8000
#define ADDR_IMMMASK_LU52ID 0xFFF0000000000000
#define ADDR_IMMMASK_LU32ID 0x000FFFFF00000000
#define ADDR_IMMMASK_LU12IW 0x00000000FFFFF000
#define ADDR_IMMMASK_ORI 0x0000000000000FFF
#define ADDR_IMMMASK_ADDU16ID 0x00000000FFFF0000
#define ADDR_IMMSHIFT_LU52ID 52
#define ADDR_IMMSBIDX_LU52ID 11
#define ADDR_IMMSHIFT_LU32ID 32
#define ADDR_IMMSBIDX_LU32ID 19
#define ADDR_IMMSHIFT_LU12IW 12
#define ADDR_IMMSBIDX_LU12IW 19
#define ADDR_IMMSHIFT_ORI 0
#define ADDR_IMMSBIDX_ORI 63
#define ADDR_IMMSHIFT_ADDU16ID 16
#define ADDR_IMMSBIDX_ADDU16ID 15
#define ADDR_IMM(addr, INSN) \
(sign_extend64(((addr & ADDR_IMMMASK_##INSN) >> ADDR_IMMSHIFT_##INSN), ADDR_IMMSBIDX_##INSN))
enum reg0i15_op {
break_op = 0x54,
};
enum reg0i26_op {
b_op = 0x14,
bl_op = 0x15,
};
enum reg1i20_op {
lu12iw_op = 0x0a,
lu32id_op = 0x0b,
pcaddi_op = 0x0c,
pcalau12i_op = 0x0d,
pcaddu12i_op = 0x0e,
pcaddu18i_op = 0x0f,
};
enum reg1i21_op {
beqz_op = 0x10,
bnez_op = 0x11,
bceqz_op = 0x12, /* bits[9:8] = 0x00 */
bcnez_op = 0x12, /* bits[9:8] = 0x01 */
};
enum reg2_op {
revb2h_op = 0x0c,
revb4h_op = 0x0d,
revb2w_op = 0x0e,
revbd_op = 0x0f,
revh2w_op = 0x10,
revhd_op = 0x11,
extwh_op = 0x16,
extwb_op = 0x17,
cpucfg_op = 0x1b,
iocsrrdb_op = 0x19200,
iocsrrdh_op = 0x19201,
iocsrrdw_op = 0x19202,
iocsrrdd_op = 0x19203,
iocsrwrb_op = 0x19204,
iocsrwrh_op = 0x19205,
iocsrwrw_op = 0x19206,
iocsrwrd_op = 0x19207,
};
enum reg2i5_op {
slliw_op = 0x81,
srliw_op = 0x89,
sraiw_op = 0x91,
};
enum reg2i6_op {
sllid_op = 0x41,
srlid_op = 0x45,
sraid_op = 0x49,
};
enum reg2i12_op {
addiw_op = 0x0a,
addid_op = 0x0b,
lu52id_op = 0x0c,
andi_op = 0x0d,
ori_op = 0x0e,
xori_op = 0x0f,
ldb_op = 0xa0,
ldh_op = 0xa1,
ldw_op = 0xa2,
ldd_op = 0xa3,
stb_op = 0xa4,
sth_op = 0xa5,
stw_op = 0xa6,
std_op = 0xa7,
ldbu_op = 0xa8,
ldhu_op = 0xa9,
ldwu_op = 0xaa,
flds_op = 0xac,
fsts_op = 0xad,
fldd_op = 0xae,
fstd_op = 0xaf,
};
enum reg2i14_op {
llw_op = 0x20,
scw_op = 0x21,
lld_op = 0x22,
scd_op = 0x23,
ldptrw_op = 0x24,
stptrw_op = 0x25,
ldptrd_op = 0x26,
stptrd_op = 0x27,
};
enum reg2i16_op {
jirl_op = 0x13,
beq_op = 0x16,
bne_op = 0x17,
blt_op = 0x18,
bge_op = 0x19,
bltu_op = 0x1a,
bgeu_op = 0x1b,
};
enum reg2bstrd_op {
bstrinsd_op = 0x2,
bstrpickd_op = 0x3,
};
enum reg3_op {
asrtle_op = 0x02,
asrtgt_op = 0x03,
addw_op = 0x20,
addd_op = 0x21,
subw_op = 0x22,
subd_op = 0x23,
nor_op = 0x28,
and_op = 0x29,
or_op = 0x2a,
xor_op = 0x2b,
orn_op = 0x2c,
andn_op = 0x2d,
sllw_op = 0x2e,
srlw_op = 0x2f,
sraw_op = 0x30,
slld_op = 0x31,
srld_op = 0x32,
srad_op = 0x33,
mulw_op = 0x38,
mulhw_op = 0x39,
mulhwu_op = 0x3a,
muld_op = 0x3b,
mulhd_op = 0x3c,
mulhdu_op = 0x3d,
divw_op = 0x40,
modw_op = 0x41,
divwu_op = 0x42,
modwu_op = 0x43,
divd_op = 0x44,
modd_op = 0x45,
divdu_op = 0x46,
moddu_op = 0x47,
ldxb_op = 0x7000,
ldxh_op = 0x7008,
ldxw_op = 0x7010,
ldxd_op = 0x7018,
stxb_op = 0x7020,
stxh_op = 0x7028,
stxw_op = 0x7030,
stxd_op = 0x7038,
ldxbu_op = 0x7040,
ldxhu_op = 0x7048,
ldxwu_op = 0x7050,
fldxs_op = 0x7060,
fldxd_op = 0x7068,
fstxs_op = 0x7070,
fstxd_op = 0x7078,
amswapw_op = 0x70c0,
amswapd_op = 0x70c1,
amaddw_op = 0x70c2,
amaddd_op = 0x70c3,
amandw_op = 0x70c4,
amandd_op = 0x70c5,
amorw_op = 0x70c6,
amord_op = 0x70c7,
amxorw_op = 0x70c8,
amxord_op = 0x70c9,
ammaxw_op = 0x70ca,
ammaxd_op = 0x70cb,
amminw_op = 0x70cc,
ammind_op = 0x70cd,
ammaxwu_op = 0x70ce,
ammaxdu_op = 0x70cf,
amminwu_op = 0x70d0,
ammindu_op = 0x70d1,
amswapdbw_op = 0x70d2,
amswapdbd_op = 0x70d3,
amadddbw_op = 0x70d4,
amadddbd_op = 0x70d5,
amanddbw_op = 0x70d6,
amanddbd_op = 0x70d7,
amordbw_op = 0x70d8,
amordbd_op = 0x70d9,
amxordbw_op = 0x70da,
amxordbd_op = 0x70db,
ammaxdbw_op = 0x70dc,
ammaxdbd_op = 0x70dd,
ammindbw_op = 0x70de,
ammindbd_op = 0x70df,
ammaxdbwu_op = 0x70e0,
ammaxdbdu_op = 0x70e1,
ammindbwu_op = 0x70e2,
ammindbdu_op = 0x70e3,
fldgts_op = 0x70e8,
fldgtd_op = 0x70e9,
fldles_op = 0x70ea,
fldled_op = 0x70eb,
fstgts_op = 0x70ec,
fstgtd_op = 0x70ed,
fstles_op = 0x70ee,
fstled_op = 0x70ef,
ldgtb_op = 0x70f0,
ldgth_op = 0x70f1,
ldgtw_op = 0x70f2,
ldgtd_op = 0x70f3,
ldleb_op = 0x70f4,
ldleh_op = 0x70f5,
ldlew_op = 0x70f6,
ldled_op = 0x70f7,
stgtb_op = 0x70f8,
stgth_op = 0x70f9,
stgtw_op = 0x70fa,
stgtd_op = 0x70fb,
stleb_op = 0x70fc,
stleh_op = 0x70fd,
stlew_op = 0x70fe,
stled_op = 0x70ff,
};
enum reg3sa2_op {
alslw_op = 0x02,
alslwu_op = 0x03,
alsld_op = 0x16,
};
struct reg0i15_format {
unsigned int immediate : 15;
unsigned int opcode : 17;
};
struct reg0i26_format {
unsigned int immediate_h : 10;
unsigned int immediate_l : 16;
unsigned int opcode : 6;
};
struct reg1i20_format {
unsigned int rd : 5;
unsigned int immediate : 20;
unsigned int opcode : 7;
};
struct reg1i21_format {
unsigned int immediate_h : 5;
unsigned int rj : 5;
unsigned int immediate_l : 16;
unsigned int opcode : 6;
};
struct reg2_format {
unsigned int rd : 5;
unsigned int rj : 5;
unsigned int opcode : 22;
};
struct reg2i5_format {
unsigned int rd : 5;
unsigned int rj : 5;
unsigned int immediate : 5;
unsigned int opcode : 17;
};
struct reg2i6_format {
unsigned int rd : 5;
unsigned int rj : 5;
unsigned int immediate : 6;
unsigned int opcode : 16;
};
struct reg2i12_format {
unsigned int rd : 5;
unsigned int rj : 5;
unsigned int immediate : 12;
unsigned int opcode : 10;
};
struct reg2i14_format {
unsigned int rd : 5;
unsigned int rj : 5;
unsigned int immediate : 14;
unsigned int opcode : 8;
};
struct reg2i16_format {
unsigned int rd : 5;
unsigned int rj : 5;
unsigned int immediate : 16;
unsigned int opcode : 6;
};
struct reg2bstrd_format {
unsigned int rd : 5;
unsigned int rj : 5;
unsigned int lsbd : 6;
unsigned int msbd : 6;
unsigned int opcode : 10;
};
struct reg2csr_format {
unsigned int rd : 5;
unsigned int rj : 5;
unsigned int csr : 14;
unsigned int opcode : 8;
};
struct reg3_format {
unsigned int rd : 5;
unsigned int rj : 5;
unsigned int rk : 5;
unsigned int opcode : 17;
};
struct reg3sa2_format {
unsigned int rd : 5;
unsigned int rj : 5;
unsigned int rk : 5;
unsigned int immediate : 2;
unsigned int opcode : 15;
};
union loongarch_instruction {
unsigned int word;
struct reg0i15_format reg0i15_format;
struct reg0i26_format reg0i26_format;
struct reg1i20_format reg1i20_format;
struct reg1i21_format reg1i21_format;
struct reg2_format reg2_format;
struct reg2i5_format reg2i5_format;
struct reg2i6_format reg2i6_format;
struct reg2i12_format reg2i12_format;
struct reg2i14_format reg2i14_format;
struct reg2i16_format reg2i16_format;
struct reg2bstrd_format reg2bstrd_format;
struct reg2csr_format reg2csr_format;
struct reg3_format reg3_format;
struct reg3sa2_format reg3sa2_format;
};
#define LOONGARCH_INSN_SIZE sizeof(union loongarch_instruction)
enum loongarch_gpr {
LOONGARCH_GPR_ZERO = 0,
LOONGARCH_GPR_RA = 1,
LOONGARCH_GPR_TP = 2,
LOONGARCH_GPR_SP = 3,
LOONGARCH_GPR_A0 = 4, /* Reused as V0 for return value */
LOONGARCH_GPR_A1, /* Reused as V1 for return value */
LOONGARCH_GPR_A2,
LOONGARCH_GPR_A3,
LOONGARCH_GPR_A4,
LOONGARCH_GPR_A5,
LOONGARCH_GPR_A6,
LOONGARCH_GPR_A7,
LOONGARCH_GPR_T0 = 12,
LOONGARCH_GPR_T1,
LOONGARCH_GPR_T2,
LOONGARCH_GPR_T3,
LOONGARCH_GPR_T4,
LOONGARCH_GPR_T5,
LOONGARCH_GPR_T6,
LOONGARCH_GPR_T7,
LOONGARCH_GPR_T8,
LOONGARCH_GPR_FP = 22,
LOONGARCH_GPR_S0 = 23,
LOONGARCH_GPR_S1,
LOONGARCH_GPR_S2,
LOONGARCH_GPR_S3,
LOONGARCH_GPR_S4,
LOONGARCH_GPR_S5,
LOONGARCH_GPR_S6,
LOONGARCH_GPR_S7,
LOONGARCH_GPR_S8,
LOONGARCH_GPR_MAX
};
#define is_imm12_negative(val) is_imm_negative(val, 12)
static inline bool is_imm_negative(unsigned long val, unsigned int bit)
{
return val & (1UL << (bit - 1));
}
static inline bool is_break_ins(union loongarch_instruction *ip)
{
return ip->reg0i15_format.opcode == break_op;
}
static inline bool is_pc_ins(union loongarch_instruction *ip)
{
return ip->reg1i20_format.opcode >= pcaddi_op &&
ip->reg1i20_format.opcode <= pcaddu18i_op;
}
static inline bool is_branch_ins(union loongarch_instruction *ip)
{
return ip->reg1i21_format.opcode >= beqz_op &&
ip->reg1i21_format.opcode <= bgeu_op;
}
static inline bool is_ra_save_ins(union loongarch_instruction *ip)
{
/* st.d $ra, $sp, offset */
return ip->reg2i12_format.opcode == std_op &&
ip->reg2i12_format.rj == LOONGARCH_GPR_SP &&
ip->reg2i12_format.rd == LOONGARCH_GPR_RA &&
!is_imm12_negative(ip->reg2i12_format.immediate);
}
static inline bool is_stack_alloc_ins(union loongarch_instruction *ip)
{
/* addi.d $sp, $sp, -imm */
return ip->reg2i12_format.opcode == addid_op &&
ip->reg2i12_format.rj == LOONGARCH_GPR_SP &&
ip->reg2i12_format.rd == LOONGARCH_GPR_SP &&
is_imm12_negative(ip->reg2i12_format.immediate);
}
static inline bool is_self_loop_ins(union loongarch_instruction *ip, struct pt_regs *regs)
{
switch (ip->reg0i26_format.opcode) {
case b_op:
case bl_op:
if (ip->reg0i26_format.immediate_l == 0
&& ip->reg0i26_format.immediate_h == 0)
return true;
}
switch (ip->reg1i21_format.opcode) {
case beqz_op:
case bnez_op:
case bceqz_op:
if (ip->reg1i21_format.immediate_l == 0
&& ip->reg1i21_format.immediate_h == 0)
return true;
}
switch (ip->reg2i16_format.opcode) {
case beq_op:
case bne_op:
case blt_op:
case bge_op:
case bltu_op:
case bgeu_op:
if (ip->reg2i16_format.immediate == 0)
return true;
break;
case jirl_op:
if (regs->regs[ip->reg2i16_format.rj] +
((unsigned long)ip->reg2i16_format.immediate << 2) == (unsigned long)ip)
return true;
}
return false;
}
void simu_pc(struct pt_regs *regs, union loongarch_instruction insn);
void simu_branch(struct pt_regs *regs, union loongarch_instruction insn);
bool insns_not_supported(union loongarch_instruction insn);
bool insns_need_simulation(union loongarch_instruction insn);
void arch_simulate_insn(union loongarch_instruction insn, struct pt_regs *regs);
int larch_insn_read(void *addr, u32 *insnp);
int larch_insn_write(void *addr, u32 insn);
int larch_insn_patch_text(void *addr, u32 insn);
u32 larch_insn_gen_nop(void);
u32 larch_insn_gen_b(unsigned long pc, unsigned long dest);
u32 larch_insn_gen_bl(unsigned long pc, unsigned long dest);
u32 larch_insn_gen_break(int imm);
u32 larch_insn_gen_or(enum loongarch_gpr rd, enum loongarch_gpr rj, enum loongarch_gpr rk);
u32 larch_insn_gen_move(enum loongarch_gpr rd, enum loongarch_gpr rj);
u32 larch_insn_gen_lu12iw(enum loongarch_gpr rd, int imm);
u32 larch_insn_gen_lu32id(enum loongarch_gpr rd, int imm);
u32 larch_insn_gen_lu52id(enum loongarch_gpr rd, enum loongarch_gpr rj, int imm);
u32 larch_insn_gen_jirl(enum loongarch_gpr rd, enum loongarch_gpr rj, int imm);
static inline bool signed_imm_check(long val, unsigned int bit)
{
return -(1L << (bit - 1)) <= val && val < (1L << (bit - 1));
}
static inline bool unsigned_imm_check(unsigned long val, unsigned int bit)
{
return val < (1UL << bit);
}
#define DEF_EMIT_REG0I15_FORMAT(NAME, OP) \
static inline void emit_##NAME(union loongarch_instruction *insn, \
int imm) \
{ \
insn->reg0i15_format.opcode = OP; \
insn->reg0i15_format.immediate = imm; \
}
DEF_EMIT_REG0I15_FORMAT(break, break_op)
/* like emit_break(imm) but returns a constant expression */
#define __emit_break(imm) ((u32)((imm) | (break_op << 15)))
#define DEF_EMIT_REG0I26_FORMAT(NAME, OP) \
static inline void emit_##NAME(union loongarch_instruction *insn, \
int offset) \
{ \
unsigned int immediate_l, immediate_h; \
\
immediate_l = offset & 0xffff; \
offset >>= 16; \
immediate_h = offset & 0x3ff; \
\
insn->reg0i26_format.opcode = OP; \
insn->reg0i26_format.immediate_l = immediate_l; \
insn->reg0i26_format.immediate_h = immediate_h; \
}
DEF_EMIT_REG0I26_FORMAT(b, b_op)
DEF_EMIT_REG0I26_FORMAT(bl, bl_op)
#define DEF_EMIT_REG1I20_FORMAT(NAME, OP) \
static inline void emit_##NAME(union loongarch_instruction *insn, \
enum loongarch_gpr rd, int imm) \
{ \
insn->reg1i20_format.opcode = OP; \
insn->reg1i20_format.immediate = imm; \
insn->reg1i20_format.rd = rd; \
}
DEF_EMIT_REG1I20_FORMAT(lu12iw, lu12iw_op)
DEF_EMIT_REG1I20_FORMAT(lu32id, lu32id_op)
DEF_EMIT_REG1I20_FORMAT(pcaddu18i, pcaddu18i_op)
#define DEF_EMIT_REG2_FORMAT(NAME, OP) \
static inline void emit_##NAME(union loongarch_instruction *insn, \
enum loongarch_gpr rd, \
enum loongarch_gpr rj) \
{ \
insn->reg2_format.opcode = OP; \
insn->reg2_format.rd = rd; \
insn->reg2_format.rj = rj; \
}
DEF_EMIT_REG2_FORMAT(revb2h, revb2h_op)
DEF_EMIT_REG2_FORMAT(revb2w, revb2w_op)
DEF_EMIT_REG2_FORMAT(revbd, revbd_op)
DEF_EMIT_REG2_FORMAT(extwh, extwh_op)
DEF_EMIT_REG2_FORMAT(extwb, extwb_op)
#define DEF_EMIT_REG2I5_FORMAT(NAME, OP) \
static inline void emit_##NAME(union loongarch_instruction *insn, \
enum loongarch_gpr rd, \
enum loongarch_gpr rj, \
int imm) \
{ \
insn->reg2i5_format.opcode = OP; \
insn->reg2i5_format.immediate = imm; \
insn->reg2i5_format.rd = rd; \
insn->reg2i5_format.rj = rj; \
}
DEF_EMIT_REG2I5_FORMAT(slliw, slliw_op)
DEF_EMIT_REG2I5_FORMAT(srliw, srliw_op)
DEF_EMIT_REG2I5_FORMAT(sraiw, sraiw_op)
#define DEF_EMIT_REG2I6_FORMAT(NAME, OP) \
static inline void emit_##NAME(union loongarch_instruction *insn, \
enum loongarch_gpr rd, \
enum loongarch_gpr rj, \
int imm) \
{ \
insn->reg2i6_format.opcode = OP; \
insn->reg2i6_format.immediate = imm; \
insn->reg2i6_format.rd = rd; \
insn->reg2i6_format.rj = rj; \
}
DEF_EMIT_REG2I6_FORMAT(sllid, sllid_op)
DEF_EMIT_REG2I6_FORMAT(srlid, srlid_op)
DEF_EMIT_REG2I6_FORMAT(sraid, sraid_op)
#define DEF_EMIT_REG2I12_FORMAT(NAME, OP) \
static inline void emit_##NAME(union loongarch_instruction *insn, \
enum loongarch_gpr rd, \
enum loongarch_gpr rj, \
int imm) \
{ \
insn->reg2i12_format.opcode = OP; \
insn->reg2i12_format.immediate = imm; \
insn->reg2i12_format.rd = rd; \
insn->reg2i12_format.rj = rj; \
}
DEF_EMIT_REG2I12_FORMAT(addiw, addiw_op)
DEF_EMIT_REG2I12_FORMAT(addid, addid_op)
DEF_EMIT_REG2I12_FORMAT(lu52id, lu52id_op)
DEF_EMIT_REG2I12_FORMAT(andi, andi_op)
DEF_EMIT_REG2I12_FORMAT(ori, ori_op)
DEF_EMIT_REG2I12_FORMAT(xori, xori_op)
DEF_EMIT_REG2I12_FORMAT(ldb, ldb_op)
DEF_EMIT_REG2I12_FORMAT(ldh, ldh_op)
DEF_EMIT_REG2I12_FORMAT(ldw, ldw_op)
DEF_EMIT_REG2I12_FORMAT(ldbu, ldbu_op)
DEF_EMIT_REG2I12_FORMAT(ldhu, ldhu_op)
DEF_EMIT_REG2I12_FORMAT(ldwu, ldwu_op)
DEF_EMIT_REG2I12_FORMAT(ldd, ldd_op)
DEF_EMIT_REG2I12_FORMAT(stb, stb_op)
DEF_EMIT_REG2I12_FORMAT(sth, sth_op)
DEF_EMIT_REG2I12_FORMAT(stw, stw_op)
DEF_EMIT_REG2I12_FORMAT(std, std_op)
#define DEF_EMIT_REG2I14_FORMAT(NAME, OP) \
static inline void emit_##NAME(union loongarch_instruction *insn, \
enum loongarch_gpr rd, \
enum loongarch_gpr rj, \
int imm) \
{ \
insn->reg2i14_format.opcode = OP; \
insn->reg2i14_format.immediate = imm; \
insn->reg2i14_format.rd = rd; \
insn->reg2i14_format.rj = rj; \
}
DEF_EMIT_REG2I14_FORMAT(llw, llw_op)
DEF_EMIT_REG2I14_FORMAT(scw, scw_op)
DEF_EMIT_REG2I14_FORMAT(lld, lld_op)
DEF_EMIT_REG2I14_FORMAT(scd, scd_op)
DEF_EMIT_REG2I14_FORMAT(ldptrw, ldptrw_op)
DEF_EMIT_REG2I14_FORMAT(stptrw, stptrw_op)
DEF_EMIT_REG2I14_FORMAT(ldptrd, ldptrd_op)
DEF_EMIT_REG2I14_FORMAT(stptrd, stptrd_op)
#define DEF_EMIT_REG2I16_FORMAT(NAME, OP) \
static inline void emit_##NAME(union loongarch_instruction *insn, \
enum loongarch_gpr rj, \
enum loongarch_gpr rd, \
int offset) \
{ \
insn->reg2i16_format.opcode = OP; \
insn->reg2i16_format.immediate = offset; \
insn->reg2i16_format.rj = rj; \
insn->reg2i16_format.rd = rd; \
}
DEF_EMIT_REG2I16_FORMAT(beq, beq_op)
DEF_EMIT_REG2I16_FORMAT(bne, bne_op)
DEF_EMIT_REG2I16_FORMAT(blt, blt_op)
DEF_EMIT_REG2I16_FORMAT(bge, bge_op)
DEF_EMIT_REG2I16_FORMAT(bltu, bltu_op)
DEF_EMIT_REG2I16_FORMAT(bgeu, bgeu_op)
static inline void emit_jirl(union loongarch_instruction *insn,
enum loongarch_gpr rd,
enum loongarch_gpr rj,
int offset)
{
insn->reg2i16_format.opcode = jirl_op;
insn->reg2i16_format.immediate = offset;
insn->reg2i16_format.rd = rd;
insn->reg2i16_format.rj = rj;
}
#define DEF_EMIT_REG2BSTRD_FORMAT(NAME, OP) \
static inline void emit_##NAME(union loongarch_instruction *insn, \
enum loongarch_gpr rd, \
enum loongarch_gpr rj, \
int msbd, \
int lsbd) \
{ \
insn->reg2bstrd_format.opcode = OP; \
insn->reg2bstrd_format.msbd = msbd; \
insn->reg2bstrd_format.lsbd = lsbd; \
insn->reg2bstrd_format.rj = rj; \
insn->reg2bstrd_format.rd = rd; \
}
DEF_EMIT_REG2BSTRD_FORMAT(bstrpickd, bstrpickd_op)
#define DEF_EMIT_REG3_FORMAT(NAME, OP) \
static inline void emit_##NAME(union loongarch_instruction *insn, \
enum loongarch_gpr rd, \
enum loongarch_gpr rj, \
enum loongarch_gpr rk) \
{ \
insn->reg3_format.opcode = OP; \
insn->reg3_format.rd = rd; \
insn->reg3_format.rj = rj; \
insn->reg3_format.rk = rk; \
}
DEF_EMIT_REG3_FORMAT(addw, addw_op)
DEF_EMIT_REG3_FORMAT(addd, addd_op)
DEF_EMIT_REG3_FORMAT(subd, subd_op)
DEF_EMIT_REG3_FORMAT(muld, muld_op)
DEF_EMIT_REG3_FORMAT(divd, divd_op)
DEF_EMIT_REG3_FORMAT(modd, modd_op)
DEF_EMIT_REG3_FORMAT(divdu, divdu_op)
DEF_EMIT_REG3_FORMAT(moddu, moddu_op)
DEF_EMIT_REG3_FORMAT(and, and_op)
DEF_EMIT_REG3_FORMAT(or, or_op)
DEF_EMIT_REG3_FORMAT(xor, xor_op)
DEF_EMIT_REG3_FORMAT(sllw, sllw_op)
DEF_EMIT_REG3_FORMAT(slld, slld_op)
DEF_EMIT_REG3_FORMAT(srlw, srlw_op)
DEF_EMIT_REG3_FORMAT(srld, srld_op)
DEF_EMIT_REG3_FORMAT(sraw, sraw_op)
DEF_EMIT_REG3_FORMAT(srad, srad_op)
DEF_EMIT_REG3_FORMAT(ldxb, ldxb_op)
DEF_EMIT_REG3_FORMAT(ldxh, ldxh_op)
DEF_EMIT_REG3_FORMAT(ldxw, ldxw_op)
DEF_EMIT_REG3_FORMAT(ldxbu, ldxbu_op)
DEF_EMIT_REG3_FORMAT(ldxhu, ldxhu_op)
DEF_EMIT_REG3_FORMAT(ldxwu, ldxwu_op)
DEF_EMIT_REG3_FORMAT(ldxd, ldxd_op)
DEF_EMIT_REG3_FORMAT(stxb, stxb_op)
DEF_EMIT_REG3_FORMAT(stxh, stxh_op)
DEF_EMIT_REG3_FORMAT(stxw, stxw_op)
DEF_EMIT_REG3_FORMAT(stxd, stxd_op)
DEF_EMIT_REG3_FORMAT(amaddw, amaddw_op)
DEF_EMIT_REG3_FORMAT(amaddd, amaddd_op)
DEF_EMIT_REG3_FORMAT(amandw, amandw_op)
DEF_EMIT_REG3_FORMAT(amandd, amandd_op)
DEF_EMIT_REG3_FORMAT(amorw, amorw_op)
DEF_EMIT_REG3_FORMAT(amord, amord_op)
DEF_EMIT_REG3_FORMAT(amxorw, amxorw_op)
DEF_EMIT_REG3_FORMAT(amxord, amxord_op)
DEF_EMIT_REG3_FORMAT(amswapw, amswapw_op)
DEF_EMIT_REG3_FORMAT(amswapd, amswapd_op)
#define DEF_EMIT_REG3SA2_FORMAT(NAME, OP) \
static inline void emit_##NAME(union loongarch_instruction *insn, \
enum loongarch_gpr rd, \
enum loongarch_gpr rj, \
enum loongarch_gpr rk, \
int imm) \
{ \
insn->reg3sa2_format.opcode = OP; \
insn->reg3sa2_format.immediate = imm; \
insn->reg3sa2_format.rd = rd; \
insn->reg3sa2_format.rj = rj; \
insn->reg3sa2_format.rk = rk; \
}
DEF_EMIT_REG3SA2_FORMAT(alsld, alsld_op)
struct pt_regs;
void emulate_load_store_insn(struct pt_regs *regs, void __user *addr, unsigned int *pc);
unsigned long unaligned_read(void __user *addr, void *value, unsigned long n, bool sign);
unsigned long unaligned_write(void __user *addr, unsigned long value, unsigned long n);
#endif /* _ASM_INST_H */
| Name | Type | Size | Permission | Actions |
|---|---|---|---|---|
| vdso | Folder | 0755 |
|
|
| Kbuild | File | 332 B | 0644 |
|
| acenv.h | File | 500 B | 0644 |
|
| acpi.h | File | 1.38 KB | 0644 |
|
| addrspace.h | File | 2.94 KB | 0644 |
|
| alternative-asm.h | File | 2.04 KB | 0644 |
|
| alternative.h | File | 3.77 KB | 0644 |
|
| asm-extable.h | File | 1.67 KB | 0644 |
|
| asm-offsets.h | File | 148 B | 0644 |
|
| asm-prototypes.h | File | 395 B | 0644 |
|
| asm.h | File | 3.86 KB | 0644 |
|
| asmmacro.h | File | 22.33 KB | 0644 |
|
| atomic.h | File | 10.5 KB | 0644 |
|
| barrier.h | File | 3.27 KB | 0644 |
|
| bitops.h | File | 860 B | 0644 |
|
| bitrev.h | File | 703 B | 0644 |
|
| bootinfo.h | File | 1.28 KB | 0644 |
|
| branch.h | File | 388 B | 0644 |
|
| bug.h | File | 1.4 KB | 0644 |
|
| cache.h | File | 362 B | 0644 |
|
| cacheflush.h | File | 2.24 KB | 0644 |
|
| cacheops.h | File | 1.54 KB | 0644 |
|
| checksum.h | File | 1.61 KB | 0644 |
|
| clocksource.h | File | 287 B | 0644 |
|
| cmpxchg.h | File | 4.94 KB | 0644 |
|
| cpu-features.h | File | 2.79 KB | 0644 |
|
| cpu-info.h | File | 2.89 KB | 0644 |
|
| cpu.h | File | 5.37 KB | 0644 |
|
| cpufeature.h | File | 576 B | 0644 |
|
| crash_reserve.h | File | 286 B | 0644 |
|
| delay.h | File | 582 B | 0644 |
|
| dma.h | File | 247 B | 0644 |
|
| dmi.h | File | 523 B | 0644 |
|
| efi.h | File | 867 B | 0644 |
|
| elf.h | File | 9.06 KB | 0644 |
|
| entry-common.h | File | 315 B | 0644 |
|
| exception.h | File | 1.73 KB | 0644 |
|
| exec.h | File | 237 B | 0644 |
|
| extable.h | File | 1.34 KB | 0644 |
|
| fixmap.h | File | 612 B | 0644 |
|
| fpregdef.h | File | 1.19 KB | 0644 |
|
| fprobe.h | File | 422 B | 0644 |
|
| fpu.h | File | 7.21 KB | 0644 |
|
| ftrace.h | File | 2.23 KB | 0644 |
|
| futex.h | File | 2.09 KB | 0644 |
|
| gpr-num.h | File | 1.39 KB | 0644 |
|
| hardirq.h | File | 706 B | 0644 |
|
| hugetlb.h | File | 2.12 KB | 0644 |
|
| hw_breakpoint.h | File | 3.82 KB | 0644 |
|
| hw_irq.h | File | 396 B | 0644 |
|
| idle.h | File | 184 B | 0644 |
|
| inst.h | File | 19.67 KB | 0644 |
|
| io.h | File | 2.5 KB | 0644 |
|
| irq.h | File | 3.71 KB | 0644 |
|
| irq_regs.h | File | 538 B | 0644 |
|
| irq_work.h | File | 237 B | 0644 |
|
| irqflags.h | File | 1.82 KB | 0644 |
|
| jump_label.h | File | 1.19 KB | 0644 |
|
| kasan.h | File | 3.33 KB | 0644 |
|
| kdebug.h | File | 318 B | 0644 |
|
| kexec.h | File | 1.46 KB | 0644 |
|
| kfence.h | File | 1.63 KB | 0644 |
|
| kgdb.h | File | 2.24 KB | 0644 |
|
| kprobes.h | File | 1.45 KB | 0644 |
|
| kvm_csr.h | File | 9.3 KB | 0644 |
|
| kvm_eiointc.h | File | 3.61 KB | 0644 |
|
| kvm_host.h | File | 9.2 KB | 0644 |
|
| kvm_ipi.h | File | 876 B | 0644 |
|
| kvm_mmu.h | File | 3.34 KB | 0644 |
|
| kvm_para.h | File | 4.29 KB | 0644 |
|
| kvm_pch_pic.h | File | 2.04 KB | 0644 |
|
| kvm_types.h | File | 271 B | 0644 |
|
| kvm_vcpu.h | File | 4.37 KB | 0644 |
|
| lbt.h | File | 2.39 KB | 0644 |
|
| linkage.h | File | 1.02 KB | 0644 |
|
| local.h | File | 3.67 KB | 0644 |
|
| loongarch.h | File | 59.34 KB | 0644 |
|
| loongson.h | File | 5.86 KB | 0644 |
|
| mmu.h | File | 301 B | 0644 |
|
| mmu_context.h | File | 4.03 KB | 0644 |
|
| module.h | File | 2.68 KB | 0644 |
|
| module.lds.h | File | 243 B | 0644 |
|
| numa.h | File | 1.54 KB | 0644 |
|
| orc_header.h | File | 426 B | 0644 |
|
| orc_lookup.h | File | 999 B | 0644 |
|
| orc_types.h | File | 1.73 KB | 0644 |
|
| page.h | File | 3.03 KB | 0644 |
|
| paravirt.h | File | 773 B | 0644 |
|
| paravirt_api_clock.h | File | 26 B | 0644 |
|
| pci.h | File | 543 B | 0644 |
|
| percpu.h | File | 5.16 KB | 0644 |
|
| perf_event.h | File | 517 B | 0644 |
|
| pgalloc.h | File | 2.3 KB | 0644 |
|
| pgtable-bits.h | File | 4.38 KB | 0644 |
|
| pgtable.h | File | 15.83 KB | 0644 |
|
| prefetch.h | File | 473 B | 0644 |
|
| processor.h | File | 5.35 KB | 0644 |
|
| ptrace.h | File | 5.38 KB | 0644 |
|
| qspinlock.h | File | 834 B | 0644 |
|
| regdef.h | File | 871 B | 0644 |
|
| seccomp.h | File | 500 B | 0644 |
|
| serial.h | File | 274 B | 0644 |
|
| set_memory.h | File | 723 B | 0644 |
|
| setup.h | File | 1.13 KB | 0644 |
|
| smp.h | File | 3.09 KB | 0644 |
|
| sparsemem.h | File | 866 B | 0644 |
|
| spinlock.h | File | 271 B | 0644 |
|
| spinlock_types.h | File | 262 B | 0644 |
|
| stackframe.h | File | 5.39 KB | 0644 |
|
| stackprotector.h | File | 1 KB | 0644 |
|
| stacktrace.h | File | 2.53 KB | 0644 |
|
| string.h | File | 1.09 KB | 0644 |
|
| suspend.h | File | 240 B | 0644 |
|
| switch_to.h | File | 1.42 KB | 0644 |
|
| syscall.h | File | 1.66 KB | 0644 |
|
| thread_info.h | File | 4.06 KB | 0644 |
|
| time.h | File | 1.09 KB | 0644 |
|
| timex.h | File | 436 B | 0644 |
|
| tlb.h | File | 3.93 KB | 0644 |
|
| tlbflush.h | File | 1.82 KB | 0644 |
|
| topology.h | File | 1.03 KB | 0644 |
|
| types.h | File | 371 B | 0644 |
|
| uaccess.h | File | 7.53 KB | 0644 |
|
| unistd.h | File | 334 B | 0644 |
|
| unwind.h | File | 2.61 KB | 0644 |
|
| unwind_hints.h | File | 788 B | 0644 |
|
| uprobes.h | File | 927 B | 0644 |
|
| vdso.h | File | 1.14 KB | 0644 |
|
| vermagic.h | File | 430 B | 0644 |
|
| video.h | File | 769 B | 0644 |
|
| vmalloc.h | File | 105 B | 0644 |
|
| xor.h | File | 1.64 KB | 0644 |
|
| xor_simd.h | File | 1.68 KB | 0644 |
|