From 2ed42efaae9516b71b7edf669b120cad718ba37b Mon Sep 17 00:00:00 2001 From: Stefan Markovic Date: Fri, 27 Jul 2018 21:11:39 +0200 Subject: target/mips: Add emulation of DSP ASE for nanoMIPS - part 3 Add emulation of DSP ASE instructions for nanoMIPS - part 3. Reviewed-by: Richard Henderson Reviewed-by: Aleksandar Markovic Signed-off-by: Aleksandar Markovic Signed-off-by: Stefan Markovic --- target/mips/translate.c | 185 +++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 183 insertions(+), 2 deletions(-) (limited to 'target') diff --git a/target/mips/translate.c b/target/mips/translate.c index 59dcd87..1db8e82 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -17245,15 +17245,194 @@ static void gen_pool32a0_nanomips_insn(CPUMIPSState *env, DisasContext *ctx) } } +/* dsp */ +static void gen_pool32axf_1_5_nanomips_insn(DisasContext *ctx, uint32_t opc, + int ret, int v1, int v2) +{ + TCGv_i32 t0; + TCGv v0_t; + TCGv v1_t; + + t0 = tcg_temp_new_i32(); + + v0_t = tcg_temp_new(); + v1_t = tcg_temp_new(); + + tcg_gen_movi_i32(t0, v2 >> 3); + + gen_load_gpr(v0_t, ret); + gen_load_gpr(v1_t, v1); + + switch (opc) { + case NM_MAQ_S_W_PHR: + check_dsp(ctx); + gen_helper_maq_s_w_phr(t0, v1_t, v0_t, cpu_env); + break; + case NM_MAQ_S_W_PHL: + check_dsp(ctx); + gen_helper_maq_s_w_phl(t0, v1_t, v0_t, cpu_env); + break; + case NM_MAQ_SA_W_PHR: + check_dsp(ctx); + gen_helper_maq_sa_w_phr(t0, v1_t, v0_t, cpu_env); + break; + case NM_MAQ_SA_W_PHL: + check_dsp(ctx); + gen_helper_maq_sa_w_phl(t0, v1_t, v0_t, cpu_env); + break; + default: + generate_exception_end(ctx, EXCP_RI); + break; + } + + tcg_temp_free_i32(t0); + + tcg_temp_free(v0_t); + tcg_temp_free(v1_t); +} + + +static void gen_pool32axf_1_nanomips_insn(DisasContext *ctx, uint32_t opc, + int ret, int v1, int v2) +{ + int16_t imm; + TCGv t0 = tcg_temp_new(); + TCGv t1 = tcg_temp_new(); + TCGv v0_t = tcg_temp_new(); + + gen_load_gpr(v0_t, v1); + + switch (opc) { + case NM_POOL32AXF_1_0: + check_dsp(ctx); + switch (extract32(ctx->opcode, 12, 2)) { + case NM_MFHI: + gen_HILO(ctx, OPC_MFHI, v2 >> 3, ret); + break; + case NM_MFLO: + gen_HILO(ctx, OPC_MFLO, v2 >> 3, ret); + break; + case NM_MTHI: + gen_HILO(ctx, OPC_MTHI, v2 >> 3, v1); + break; + case NM_MTLO: + gen_HILO(ctx, OPC_MTLO, v2 >> 3, v1); + break; + } + break; + case NM_POOL32AXF_1_1: + check_dsp(ctx); + switch (extract32(ctx->opcode, 12, 2)) { + case NM_MTHLIP: + tcg_gen_movi_tl(t0, v2); + gen_helper_mthlip(t0, v0_t, cpu_env); + break; + case NM_SHILOV: + tcg_gen_movi_tl(t0, v2 >> 3); + gen_helper_shilo(t0, v0_t, cpu_env); + break; + default: + generate_exception_end(ctx, EXCP_RI); + break; + } + break; + case NM_POOL32AXF_1_3: + check_dsp(ctx); + imm = extract32(ctx->opcode, 14, 7); + switch (extract32(ctx->opcode, 12, 2)) { + case NM_RDDSP: + tcg_gen_movi_tl(t0, imm); + gen_helper_rddsp(t0, t0, cpu_env); + gen_store_gpr(t0, ret); + break; + case NM_WRDSP: + gen_load_gpr(t0, ret); + tcg_gen_movi_tl(t1, imm); + gen_helper_wrdsp(t0, t1, cpu_env); + break; + case NM_EXTP: + tcg_gen_movi_tl(t0, v2 >> 3); + tcg_gen_movi_tl(t1, v1); + gen_helper_extp(t0, t0, t1, cpu_env); + gen_store_gpr(t0, ret); + break; + case NM_EXTPDP: + tcg_gen_movi_tl(t0, v2 >> 3); + tcg_gen_movi_tl(t1, v1); + gen_helper_extpdp(t0, t0, t1, cpu_env); + gen_store_gpr(t0, ret); + break; + } + break; + case NM_POOL32AXF_1_4: + check_dsp(ctx); + tcg_gen_movi_tl(t0, v2 >> 2); + switch (extract32(ctx->opcode, 12, 1)) { + case NM_SHLL_QB: + gen_helper_shll_qb(t0, t0, v0_t, cpu_env); + gen_store_gpr(t0, ret); + break; + case NM_SHRL_QB: + gen_helper_shrl_qb(t0, t0, v0_t); + gen_store_gpr(t0, ret); + break; + } + break; + case NM_POOL32AXF_1_5: + opc = extract32(ctx->opcode, 12, 2); + gen_pool32axf_1_5_nanomips_insn(ctx, opc, ret, v1, v2); + break; + case NM_POOL32AXF_1_7: + check_dsp(ctx); + tcg_gen_movi_tl(t0, v2 >> 3); + tcg_gen_movi_tl(t1, v1); + switch (extract32(ctx->opcode, 12, 2)) { + case NM_EXTR_W: + gen_helper_extr_w(t0, t0, t1, cpu_env); + gen_store_gpr(t0, ret); + break; + case NM_EXTR_R_W: + gen_helper_extr_r_w(t0, t0, t1, cpu_env); + gen_store_gpr(t0, ret); + break; + case NM_EXTR_RS_W: + gen_helper_extr_rs_w(t0, t0, t1, cpu_env); + gen_store_gpr(t0, ret); + break; + case NM_EXTR_S_H: + gen_helper_extr_s_h(t0, t0, t1, cpu_env); + gen_store_gpr(t0, ret); + break; + } + break; + default: + generate_exception_end(ctx, EXCP_RI); + break; + } + + tcg_temp_free(t0); + tcg_temp_free(t1); + tcg_temp_free(v0_t); +} + + static void gen_pool32axf_nanomips_insn(CPUMIPSState *env, DisasContext *ctx) { -#ifndef CONFIG_USER_ONLY int rt = extract32(ctx->opcode, 21, 5); int rs = extract32(ctx->opcode, 16, 5); -#endif + int rd = extract32(ctx->opcode, 11, 5); switch (extract32(ctx->opcode, 6, 3)) { + case NM_POOL32AXF_1: + { + int32_t op1 = extract32(ctx->opcode, 9, 3); + gen_pool32axf_1_nanomips_insn(ctx, op1, rt, rs, rd); + } + break; + case NM_POOL32AXF_2: + break; case NM_POOL32AXF_4: + break; case NM_POOL32AXF_5: switch (extract32(ctx->opcode, 9, 7)) { #ifndef CONFIG_USER_ONLY @@ -17322,6 +17501,8 @@ static void gen_pool32axf_nanomips_insn(CPUMIPSState *env, DisasContext *ctx) break; } break; + case NM_POOL32AXF_7: + break; default: generate_exception_end(ctx, EXCP_RI); break; -- cgit v1.1