36 bool __kprobes simulate_jal(u32 opcode, unsigned long addr, struct pt_regs *regs)  in simulate_jal()  argument
45 	u32 index = (opcode >> 7) & 0x1f;  in simulate_jal()
51 	imm  = ((opcode >> 21) & 0x3ff) << 1;  in simulate_jal()
52 	imm |= ((opcode >> 20) & 0x1)   << 11;  in simulate_jal()
53 	imm |= ((opcode >> 12) & 0xff)  << 12;  in simulate_jal()
54 	imm |= ((opcode >> 31) & 0x1)   << 20;  in simulate_jal()
61 bool __kprobes simulate_jalr(u32 opcode, unsigned long addr, struct pt_regs *regs)  in simulate_jalr()  argument
70 	u32 imm = (opcode >> 20) & 0xfff;  in simulate_jalr()
71 	u32 rd_index = (opcode >> 7) & 0x1f;  in simulate_jalr()
72 	u32 rs1_index = (opcode >> 15) & 0x1f;  in simulate_jalr()
87 #define auipc_rd_idx(opcode) \  argument
88 	((opcode >> 7) & 0x1f)
90 #define auipc_imm(opcode) \  argument
91 	((((opcode) >> 12) & 0xfffff) << 12)
94 #define auipc_offset(opcode)	sign_extend64(auipc_imm(opcode), 31)  argument
96 #define auipc_offset(opcode)	auipc_imm(opcode)  argument
101 bool __kprobes simulate_auipc(u32 opcode, unsigned long addr, struct pt_regs *regs)  in simulate_auipc()  argument
110 	u32 rd_idx = auipc_rd_idx(opcode);  in simulate_auipc()
111 	unsigned long rd_val = addr + auipc_offset(opcode);  in simulate_auipc()
121 #define branch_rs1_idx(opcode) \  argument
122 	(((opcode) >> 15) & 0x1f)
124 #define branch_rs2_idx(opcode) \  argument
125 	(((opcode) >> 20) & 0x1f)
127 #define branch_funct3(opcode) \  argument
128 	(((opcode) >> 12) & 0x7)
130 #define branch_imm(opcode) \  argument
131 	(((((opcode) >>  8) & 0xf ) <<  1) | \
132 	 ((((opcode) >> 25) & 0x3f) <<  5) | \
133 	 ((((opcode) >>  7) & 0x1 ) << 11) | \
134 	 ((((opcode) >> 31) & 0x1 ) << 12))
136 #define branch_offset(opcode) \  argument
137 	sign_extend32((branch_imm(opcode)), 12)
139 bool __kprobes simulate_branch(u32 opcode, unsigned long addr, struct pt_regs *regs)  in simulate_branch()  argument
159 	if (!rv_insn_reg_get_val(regs, branch_rs1_idx(opcode), &rs1_val) ||  in simulate_branch()
160 	    !rv_insn_reg_get_val(regs, branch_rs2_idx(opcode), &rs2_val))  in simulate_branch()
163 	offset_tmp = branch_offset(opcode);  in simulate_branch()
164 	switch (branch_funct3(opcode)) {  in simulate_branch()
192 bool __kprobes simulate_c_j(u32 opcode, unsigned long addr, struct pt_regs *regs)  in simulate_c_j()  argument
202 	offset  = ((opcode >> 3)  & 0x7) << 1;  in simulate_c_j()
203 	offset |= ((opcode >> 11) & 0x1) << 4;  in simulate_c_j()
204 	offset |= ((opcode >> 2)  & 0x1) << 5;  in simulate_c_j()
205 	offset |= ((opcode >> 7)  & 0x1) << 6;  in simulate_c_j()
206 	offset |= ((opcode >> 6)  & 0x1) << 7;  in simulate_c_j()
207 	offset |= ((opcode >> 9)  & 0x3) << 8;  in simulate_c_j()
208 	offset |= ((opcode >> 8)  & 0x1) << 10;  in simulate_c_j()
209 	offset |= ((opcode >> 12) & 0x1) << 11;  in simulate_c_j()
216 static bool __kprobes simulate_c_jr_jalr(u32 opcode, unsigned long addr, struct pt_regs *regs,  in simulate_c_jr_jalr()  argument
227 	u32 rs1 = (opcode >> 7) & 0x1f;  in simulate_c_jr_jalr()
243 bool __kprobes simulate_c_jr(u32 opcode, unsigned long addr, struct pt_regs *regs)  in simulate_c_jr()  argument
245 	return simulate_c_jr_jalr(opcode, addr, regs, false);  in simulate_c_jr()
248 bool __kprobes simulate_c_jalr(u32 opcode, unsigned long addr, struct pt_regs *regs)  in simulate_c_jalr()  argument
250 	return simulate_c_jr_jalr(opcode, addr, regs, true);  in simulate_c_jalr()
253 static bool __kprobes simulate_c_bnez_beqz(u32 opcode, unsigned long addr, struct pt_regs *regs,  in simulate_c_bnez_beqz()  argument
266 	rs1 = 0x8 | ((opcode >> 7) & 0x7);  in simulate_c_bnez_beqz()
272 		offset =  ((opcode >> 3)  & 0x3) << 1;  in simulate_c_bnez_beqz()
273 		offset |= ((opcode >> 10) & 0x3) << 3;  in simulate_c_bnez_beqz()
274 		offset |= ((opcode >> 2)  & 0x1) << 5;  in simulate_c_bnez_beqz()
275 		offset |= ((opcode >> 5)  & 0x3) << 6;  in simulate_c_bnez_beqz()
276 		offset |= ((opcode >> 12) & 0x1) << 8;  in simulate_c_bnez_beqz()
287 bool __kprobes simulate_c_bnez(u32 opcode, unsigned long addr, struct pt_regs *regs)  in simulate_c_bnez()  argument
289 	return simulate_c_bnez_beqz(opcode, addr, regs, true);  in simulate_c_bnez()
292 bool __kprobes simulate_c_beqz(u32 opcode, unsigned long addr, struct pt_regs *regs)  in simulate_c_beqz()  argument
294 	return simulate_c_bnez_beqz(opcode, addr, regs, false);  in simulate_c_beqz()