MIPS: uasm: add sync instruction

This patch allows use of the sync 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

@@ -141,6 +141,7 @@ Ip_u2u1u3(_sra);
 Ip_u2u1u3(_srl);
 Ip_u3u1u2(_subu);
 Ip_u2s3u1(_sw);
+Ip_u1(_sync);
 Ip_u1(_syscall);
 Ip_0(_tlbp);
 Ip_0(_tlbr);

arch/mips/mm/uasm-micromips.c

@@ -99,6 +99,7 @@ static struct insn insn_table_MM[] = {
 	{ insn_rotr, M(mm_pool32a_op, 0, 0, 0, 0, mm_rotr_op), RT | RS | RD },
 	{ insn_subu, M(mm_pool32a_op, 0, 0, 0, 0, mm_subu32_op), RT | RS | RD },
 	{ insn_sw, M(mm_sw32_op, 0, 0, 0, 0, 0), RT | RS | SIMM },
+	{ insn_sync, M(mm_pool32a_op, 0, 0, 0, mm_sync_op, mm_pool32axf_op), RS },
 	{ insn_tlbp, M(mm_pool32a_op, 0, 0, 0, mm_tlbp_op, mm_pool32axf_op), 0 },
 	{ 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 },

arch/mips/mm/uasm-mips.c

@@ -107,6 +107,7 @@ static struct insn insn_table[] = {
 	{ insn_srl,  M(spec_op, 0, 0, 0, 0, srl_op),  RT | RD | RE },
 	{ insn_subu,  M(spec_op, 0, 0, 0, 0, subu_op),	RS | RT | RD },
 	{ insn_sw,  M(sw_op, 0, 0, 0, 0, 0),  RS | RT | SIMM },
+	{ insn_sync, M(spec_op, 0, 0, 0, 0, sync_op), RE },
 	{ insn_syscall, M(spec_op, 0, 0, 0, 0, syscall_op), SCIMM},
 	{ insn_tlbp,  M(cop0_op, cop_op, 0, 0, 0, tlbp_op),  0 },
 	{ insn_tlbr,  M(cop0_op, cop_op, 0, 0, 0, tlbr_op),  0 },

arch/mips/mm/uasm.c

@@ -53,8 +53,8 @@ enum opcode {
 	insn_ldx, insn_ll, insn_lld, insn_lui, insn_lw, insn_lwx, insn_mfc0,
 	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_syscall, insn_tlbp, insn_tlbr, insn_tlbwi, insn_tlbwr, insn_xor,
-	insn_xori,
+	insn_sync, insn_syscall, insn_tlbp, insn_tlbr, insn_tlbwi, insn_tlbwr,
+	insn_xor, insn_xori,
 };
 
 struct insn {
@@ -271,6 +271,7 @@ I_u2u1u3(_srl)
 I_u2u1u3(_rotr)
 I_u3u1u2(_subu)
 I_u2s3u1(_sw)
+I_u1(_sync)
 I_0(_tlbp)
 I_0(_tlbr)
 I_0(_tlbwi)