MIPS: uasm: add wait instruction

This patch allows use of the wait instruction from uasm. It will be used
by a subsequent patch.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>

arch/mips/include/asm/uasm.h

@@ -147,6 +147,7 @@ Ip_0(_tlbp);
 Ip_0(_tlbr);
 Ip_0(_tlbwi);
 Ip_0(_tlbwr);
+Ip_u1(_wait);
 Ip_u3u1u2(_xor);
 Ip_u2u1u3(_xori);
 

arch/mips/mm/uasm-micromips.c

@@ -104,6 +104,7 @@ static struct insn insn_table_MM[] = {
 	{ insn_tlbr, M(mm_pool32a_op, 0, 0, 0, mm_tlbr_op, mm_pool32axf_op), 0 },
 	{ insn_tlbwi, M(mm_pool32a_op, 0, 0, 0, mm_tlbwi_op, mm_pool32axf_op), 0 },
 	{ insn_tlbwr, M(mm_pool32a_op, 0, 0, 0, mm_tlbwr_op, mm_pool32axf_op), 0 },
+	{ insn_wait, M(mm_pool32a_op, 0, 0, 0, mm_wait_op, mm_pool32axf_op), SCIMM },
 	{ insn_xor, M(mm_pool32a_op, 0, 0, 0, 0, mm_xor32_op), RT | RS | RD },
 	{ insn_xori, M(mm_xori32_op, 0, 0, 0, 0, 0), RT | RS | UIMM },
 	{ insn_dins, 0, 0 },

arch/mips/mm/uasm-mips.c

@@ -113,6 +113,7 @@ static struct insn insn_table[] = {
 	{ insn_tlbr,  M(cop0_op, cop_op, 0, 0, 0, tlbr_op),  0 },
 	{ insn_tlbwi,  M(cop0_op, cop_op, 0, 0, 0, tlbwi_op),  0 },
 	{ insn_tlbwr,  M(cop0_op, cop_op, 0, 0, 0, tlbwr_op),  0 },
+	{ insn_wait, M(cop0_op, cop_op, 0, 0, 0, wait_op), SCIMM },
 	{ insn_xori,  M(xori_op, 0, 0, 0, 0, 0),  RS | RT | UIMM },
 	{ insn_xor,  M(spec_op, 0, 0, 0, 0, xor_op),  RS | RT | RD },
 	{ insn_invalid, 0, 0 }

arch/mips/mm/uasm.c

@@ -54,7 +54,7 @@ enum opcode {
 	insn_mtc0, insn_or, insn_ori, insn_pref, insn_rfe, insn_rotr, insn_sc,
 	insn_scd, insn_sd, insn_sll, insn_sra, insn_srl, insn_subu, insn_sw,
 	insn_sync, insn_syscall, insn_tlbp, insn_tlbr, insn_tlbwi, insn_tlbwr,
-	insn_xor, insn_xori,
+	insn_wait, insn_xor, insn_xori,
 };
 
 struct insn {
@@ -276,6 +276,7 @@ I_0(_tlbp)
 I_0(_tlbr)
 I_0(_tlbwi)
 I_0(_tlbwr)
+I_u1(_wait);
 I_u3u1u2(_xor)
 I_u2u1u3(_xori)
 I_u2u1msbu3(_dins);