MIPS: uasm: add jalr instruction

This patch allows use of the jalr 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

@@ -74,6 +74,9 @@ void ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, unsigned int c, \
 #define Ip_u1u2(op)							\
 void ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b)
 
+#define Ip_u2u1(op)							\
+void ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b)
+
 #define Ip_u1s2(op)							\
 void ISAOPC(op)(u32 **buf, unsigned int a, signed int b)
 
@@ -114,6 +117,7 @@ Ip_u2u1msbu3(_ext);
 Ip_u2u1msbu3(_ins);
 Ip_u1(_j);
 Ip_u1(_jal);
+Ip_u2u1(_jalr);
 Ip_u1(_jr);
 Ip_u2s3u1(_ld);
 Ip_u3u1u2(_ldx);

arch/mips/mm/uasm-mips.c

@@ -82,6 +82,7 @@ static struct insn insn_table[] = {
 	{ insn_ins, M(spec3_op, 0, 0, 0, 0, ins_op), RS | RT | RD | RE },
 	{ insn_j,  M(j_op, 0, 0, 0, 0, 0),  JIMM },
 	{ insn_jal,  M(jal_op, 0, 0, 0, 0, 0),	JIMM },
+	{ insn_jalr,  M(spec_op, 0, 0, 0, 0, jalr_op), RS | RD },
 	{ insn_j,  M(j_op, 0, 0, 0, 0, 0),  JIMM },
 	{ insn_jr,  M(spec_op, 0, 0, 0, 0, jr_op),  RS },
 	{ insn_ld,  M(ld_op, 0, 0, 0, 0, 0),  RS | RT | SIMM },

arch/mips/mm/uasm.c

@@ -49,10 +49,10 @@ enum opcode {
 	insn_bne, insn_cache, insn_daddiu, insn_daddu, insn_dins, insn_dinsm,
 	insn_dmfc0, insn_dmtc0, insn_drotr, insn_drotr32, insn_dsll,
 	insn_dsll32, insn_dsra, insn_dsrl, insn_dsrl32, insn_dsubu, insn_eret,
-	insn_ext, insn_ins, insn_j, insn_jal, insn_jr, insn_ld, 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_ext, insn_ins, insn_j, insn_jal, insn_jalr, insn_jr, insn_ld,
+	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,
 };
@@ -250,6 +250,7 @@ I_u2u1msbdu3(_ext)
 I_u2u1msbu3(_ins)
 I_u1(_j)
 I_u1(_jal)
+I_u2u1(_jalr)
 I_u1(_jr)
 I_u2s3u1(_ld)
 I_u2s3u1(_ll)