MIPS: uasm: Add mflo uasm instruction

It will be used later on by bpf-jit

[ralf@linux-mips.org: Resolved conflict.]

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>

5 files changed, 11 insertions, 5 deletions

diff --git a/arch/mips/include/asm/uasm.h b/arch/mips/include/asm/uasm.h
index 95954ba24d31..719a88401afa 100644
--- a/arch/mips/include/asm/uasm.h
+++ b/arch/mips/include/asm/uasm.h
@@ -133,6 +133,7 @@ Ip_u2s3u1(_lw);
 Ip_u3u1u2(_lwx);
 Ip_u1u2u3(_mfc0);
 Ip_u1(_mfhi);
+Ip_u1(_mflo);
 Ip_u1u2u3(_mtc0);
 Ip_u3u1u2(_mul);
 Ip_u3u1u2(_or);
diff --git a/arch/mips/include/uapi/asm/inst.h b/arch/mips/include/uapi/asm/inst.h
index 67933839ce6a..4b7160259292 100644
--- a/arch/mips/include/uapi/asm/inst.h
+++ b/arch/mips/include/uapi/asm/inst.h
@@ -316,6 +316,7 @@ enum mm_32axf_minor_op {
 	mm_mfhi32_op = 0x035,
 	mm_jalr_op = 0x03c,
 	mm_tlbr_op = 0x04d,
+	mm_mflo32_op = 0x075,
 	mm_jalrhb_op = 0x07c,
 	mm_tlbwi_op = 0x08d,
 	mm_tlbwr_op = 0x0cd,
diff --git a/arch/mips/mm/uasm-micromips.c b/arch/mips/mm/uasm-micromips.c
index 9d42f1066a1f..1c390a1f3862 100644
--- a/arch/mips/mm/uasm-micromips.c
+++ b/arch/mips/mm/uasm-micromips.c
@@ -89,6 +89,7 @@ static struct insn insn_table_MM[] = {
 	{ insn_lw, M(mm_lw32_op, 0, 0, 0, 0, 0), RT | RS | SIMM },
 	{ insn_mfc0, M(mm_pool32a_op, 0, 0, 0, mm_mfc0_op, mm_pool32axf_op), RT | RS | RD },
 	{ insn_mfhi, M(mm_pool32a_op, 0, 0, 0, mm_mfhi32_op, mm_pool32axf_op), RS },
+	{ insn_mflo, M(mm_pool32a_op, 0, 0, 0, mm_mflo32_op, mm_pool32axf_op), RS },
 	{ insn_mtc0, M(mm_pool32a_op, 0, 0, 0, mm_mtc0_op, mm_pool32axf_op), RT | RS | RD },
 	{ insn_mul, M(mm_pool32a_op, 0, 0, 0, 0, mm_mul_op), RT | RS | RD },
 	{ insn_or, M(mm_pool32a_op, 0, 0, 0, 0, mm_or32_op), RT | RS | RD },
diff --git a/arch/mips/mm/uasm-mips.c b/arch/mips/mm/uasm-mips.c
index 9dd15168e849..4f9114b2ff34 100644
--- a/arch/mips/mm/uasm-mips.c
+++ b/arch/mips/mm/uasm-mips.c
@@ -96,6 +96,7 @@ static struct insn insn_table[] = {
 	{ insn_lwx, M(spec3_op, 0, 0, 0, lwx_op, lx_op), RS | RT | RD },
 	{ insn_mfc0,  M(cop0_op, mfc_op, 0, 0, 0, 0),  RT | RD | SET},
 	{ insn_mfhi,  M(spec_op, 0, 0, 0, 0, mfhi_op), RD },
+	{ insn_mflo,  M(spec_op, 0, 0, 0, 0, mflo_op), RD },
 	{ insn_mtc0,  M(cop0_op, mtc_op, 0, 0, 0, 0),  RT | RD | SET},
 	{ insn_mul, M(spec2_op, 0, 0, 0, 0, mul_op), RS | RT | RD},
 	{ insn_ori,  M(ori_op, 0, 0, 0, 0, 0),	RS | RT | UIMM },
diff --git a/arch/mips/mm/uasm.c b/arch/mips/mm/uasm.c
index 1c8bed31ec3d..8cf1fb21cedf 100644
--- a/arch/mips/mm/uasm.c
+++ b/arch/mips/mm/uasm.c
@@ -51,11 +51,12 @@ enum opcode {
 	insn_dsll32, insn_dsra, insn_dsrl, insn_dsrl32, insn_dsubu, insn_eret,
 	insn_ext, insn_ins, insn_j, insn_jal, insn_jalr, insn_jr, insn_ld,
 	insn_ldx, insn_lh, insn_ll, insn_lld, insn_lui, insn_lw, insn_lwx,
-	insn_mfc0, insn_mfhi, insn_mtc0, insn_mul, insn_or, insn_ori, insn_pref,
-	insn_rfe, insn_rotr, insn_sc, insn_scd, insn_sd, insn_sll, insn_sllv,
-	insn_sltiu, insn_sltu, insn_sra, insn_srl, insn_srlv, insn_subu,
-	insn_sw, insn_sync, insn_syscall, insn_tlbp, insn_tlbr, insn_tlbwi,
-	insn_tlbwr, insn_wait, insn_wsbh, insn_xor, insn_xori, insn_yield,
+	insn_mfc0, insn_mfhi, insn_mflo, insn_mtc0, insn_mul, insn_or,
+	insn_ori, insn_pref, insn_rfe, insn_rotr, insn_sc, insn_scd, insn_sd,
+	insn_sll, insn_sllv, insn_sltiu, insn_sltu, insn_sra, insn_srl,
+	insn_srlv, insn_subu, insn_sw, insn_sync, insn_syscall, insn_tlbp,
+	insn_tlbr, insn_tlbwi, insn_tlbwr, insn_wait, insn_wsbh, insn_xor,
+	insn_xori, insn_yield,
 };
 
 struct insn {
@@ -276,6 +277,7 @@ I_u1s2(_lui)
 I_u2s3u1(_lw)
 I_u1u2u3(_mfc0)
 I_u1(_mfhi)
+I_u1(_mflo)
 I_u1u2u3(_mtc0)
 I_u3u1u2(_mul)
 I_u2u1u3(_ori)