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[Qemu-devel] [PATCH v8 49/87] target/mips: Add emulation of DSP ASE for
From: |
Aleksandar Markovic |
Subject: |
[Qemu-devel] [PATCH v8 49/87] target/mips: Add emulation of DSP ASE for nanoMIPS - part 5 |
Date: |
Mon, 13 Aug 2018 19:53:14 +0200 |
From: Stefan Markovic <address@hidden>
Add emulation of DSP ASE instructions for nanoMIPS - part 5.
Reviewed-by: Aleksandar Markovic <address@hidden>
Signed-off-by: Aleksandar Markovic <address@hidden>
Signed-off-by: Stefan Markovic <address@hidden>
---
target/mips/translate.c | 142 ++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 142 insertions(+)
diff --git a/target/mips/translate.c b/target/mips/translate.c
index 68b3599..00d1164 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -17639,6 +17639,144 @@ static void
gen_pool32axf_2_nanomips_insn(DisasContext *ctx, uint32_t opc,
tcg_temp_free(v1_t);
}
+static void gen_pool32axf_4_nanomips_insn(DisasContext *ctx, uint32_t opc,
+ int rt, int rs)
+{
+ int ret = rt;
+ TCGv t0 = tcg_temp_new();
+ TCGv v0_t = tcg_temp_new();
+
+ gen_load_gpr(v0_t, rs);
+
+ switch (opc) {
+ case NM_ABSQ_S_QB:
+ check_dspr2(ctx);
+ gen_helper_absq_s_qb(v0_t, v0_t, cpu_env);
+ gen_store_gpr(v0_t, ret);
+ break;
+ case NM_ABSQ_S_PH:
+ check_dsp(ctx);
+ gen_helper_absq_s_ph(v0_t, v0_t, cpu_env);
+ gen_store_gpr(v0_t, ret);
+ break;
+ case NM_ABSQ_S_W:
+ check_dsp(ctx);
+ gen_helper_absq_s_w(v0_t, v0_t, cpu_env);
+ gen_store_gpr(v0_t, ret);
+ break;
+ case NM_PRECEQ_W_PHL:
+ check_dsp(ctx);
+ tcg_gen_andi_tl(v0_t, v0_t, 0xFFFF0000);
+ tcg_gen_ext32s_tl(v0_t, v0_t);
+ gen_store_gpr(v0_t, ret);
+ break;
+ case NM_PRECEQ_W_PHR:
+ check_dsp(ctx);
+ tcg_gen_andi_tl(v0_t, v0_t, 0x0000FFFF);
+ tcg_gen_shli_tl(v0_t, v0_t, 16);
+ tcg_gen_ext32s_tl(v0_t, v0_t);
+ gen_store_gpr(v0_t, ret);
+ break;
+ case NM_PRECEQU_PH_QBL:
+ check_dsp(ctx);
+ gen_helper_precequ_ph_qbl(v0_t, v0_t);
+ gen_store_gpr(v0_t, ret);
+ break;
+ case NM_PRECEQU_PH_QBR:
+ check_dsp(ctx);
+ gen_helper_precequ_ph_qbr(v0_t, v0_t);
+ gen_store_gpr(v0_t, ret);
+ break;
+ case NM_PRECEQU_PH_QBLA:
+ check_dsp(ctx);
+ gen_helper_precequ_ph_qbla(v0_t, v0_t);
+ gen_store_gpr(v0_t, ret);
+ break;
+ case NM_PRECEQU_PH_QBRA:
+ check_dsp(ctx);
+ gen_helper_precequ_ph_qbra(v0_t, v0_t);
+ gen_store_gpr(v0_t, ret);
+ break;
+ case NM_PRECEU_PH_QBL:
+ check_dsp(ctx);
+ gen_helper_preceu_ph_qbl(v0_t, v0_t);
+ gen_store_gpr(v0_t, ret);
+ break;
+ case NM_PRECEU_PH_QBR:
+ check_dsp(ctx);
+ gen_helper_preceu_ph_qbr(v0_t, v0_t);
+ gen_store_gpr(v0_t, ret);
+ break;
+ case NM_PRECEU_PH_QBLA:
+ check_dsp(ctx);
+ gen_helper_preceu_ph_qbla(v0_t, v0_t);
+ gen_store_gpr(v0_t, ret);
+ break;
+ case NM_PRECEU_PH_QBRA:
+ check_dsp(ctx);
+ gen_helper_preceu_ph_qbra(v0_t, v0_t);
+ gen_store_gpr(v0_t, ret);
+ break;
+ case NM_REPLV_PH:
+ check_dsp(ctx);
+ tcg_gen_ext16u_tl(v0_t, v0_t);
+ tcg_gen_shli_tl(t0, v0_t, 16);
+ tcg_gen_or_tl(v0_t, v0_t, t0);
+ tcg_gen_ext32s_tl(v0_t, v0_t);
+ gen_store_gpr(v0_t, ret);
+ break;
+ case NM_REPLV_QB:
+ check_dsp(ctx);
+ tcg_gen_ext8u_tl(v0_t, v0_t);
+ tcg_gen_shli_tl(t0, v0_t, 8);
+ tcg_gen_or_tl(v0_t, v0_t, t0);
+ tcg_gen_shli_tl(t0, v0_t, 16);
+ tcg_gen_or_tl(v0_t, v0_t, t0);
+ tcg_gen_ext32s_tl(v0_t, v0_t);
+ gen_store_gpr(v0_t, ret);
+ break;
+ case NM_BITREV:
+ check_dsp(ctx);
+ gen_helper_bitrev(v0_t, v0_t);
+ gen_store_gpr(v0_t, ret);
+ break;
+ case NM_INSV:
+ check_dsp(ctx);
+ {
+ TCGv tv0 = tcg_temp_new();
+
+ gen_load_gpr(tv0, rt);
+ gen_helper_insv(v0_t, cpu_env, v0_t, tv0);
+ gen_store_gpr(v0_t, ret);
+ tcg_temp_free(tv0);
+ }
+ break;
+ case NM_RADDU_W_QB:
+ check_dsp(ctx);
+ gen_helper_raddu_w_qb(v0_t, v0_t);
+ gen_store_gpr(v0_t, ret);
+ break;
+ case NM_BITSWAP:
+ gen_bitswap(ctx, OPC_BITSWAP, ret, rs);
+ break;
+ case NM_CLO:
+ gen_cl(ctx, OPC_CLO, ret, rs);
+ break;
+ case NM_CLZ:
+ gen_cl(ctx, OPC_CLZ, ret, rs);
+ break;
+ case NM_WSBH:
+ gen_bshfl(ctx, OPC_WSBH, ret, rs);
+ break;
+ default:
+ generate_exception_end(ctx, EXCP_RI);
+ break;
+ }
+
+ tcg_temp_free(v0_t);
+ tcg_temp_free(t0);
+}
+
static void gen_pool32axf_nanomips_insn(CPUMIPSState *env, DisasContext *ctx)
{
@@ -17660,6 +17798,10 @@ static void gen_pool32axf_nanomips_insn(CPUMIPSState
*env, DisasContext *ctx)
}
break;
case NM_POOL32AXF_4:
+ {
+ int32_t op1 = extract32(ctx->opcode, 9, 7);
+ gen_pool32axf_4_nanomips_insn(ctx, op1, rt, rs);
+ }
break;
case NM_POOL32AXF_5:
switch (extract32(ctx->opcode, 9, 7)) {
--
2.7.4
- [Qemu-devel] [PATCH v8 59/87] elf: Relax MIPS' elf_check_arch() to accept EM_NANOMIPS too, (continued)
- [Qemu-devel] [PATCH v8 59/87] elf: Relax MIPS' elf_check_arch() to accept EM_NANOMIPS too, Aleksandar Markovic, 2018/08/13
- [Qemu-devel] [PATCH v8 57/87] target/mips: Fix ERET/ERETNC behavior related to ADEL exception, Aleksandar Markovic, 2018/08/13
- [Qemu-devel] [PATCH v8 17/87] linux-user: Update MIPS syscall numbers up to kernel 4.18 headers, Aleksandar Markovic, 2018/08/13
- [Qemu-devel] [PATCH v8 23/87] target/mips: Add placeholder and invocation of decode_nanomips_opc(), Aleksandar Markovic, 2018/08/13
- [Qemu-devel] [PATCH v8 21/87] target/mips: Add nanoMIPS base instruction set opcodes, Aleksandar Markovic, 2018/08/13
- [Qemu-devel] [PATCH v8 54/87] target/mips: Adjust exception_resume_pc() for nanoMIPS, Aleksandar Markovic, 2018/08/13
- [Qemu-devel] [PATCH v8 56/87] target/mips: Adjust set_pc() for nanoMIPS, Aleksandar Markovic, 2018/08/13
- [Qemu-devel] [PATCH v8 39/87] target/mips: Implement emulation of nanoMIPS ROTX instruction, Aleksandar Markovic, 2018/08/13
- [Qemu-devel] [PATCH v8 52/87] target/mips: Add handling of branch delay slots for nanoMIPS, Aleksandar Markovic, 2018/08/13
- [Qemu-devel] [PATCH v8 50/87] target/mips: Add emulation of DSP ASE for nanoMIPS - part 6, Aleksandar Markovic, 2018/08/13
- [Qemu-devel] [PATCH v8 49/87] target/mips: Add emulation of DSP ASE for nanoMIPS - part 5,
Aleksandar Markovic <=
- [Qemu-devel] [PATCH v8 64/87] mips_malta: Fix semihosting argument passing for nanoMIPS bare metal, Aleksandar Markovic, 2018/08/13
- [Qemu-devel] [PATCH v8 68/87] linux-user: Add target_signal.h header for nanoMIPS, Aleksandar Markovic, 2018/08/13
- [Qemu-devel] [PATCH v8 72/87] linux-user: Add sockbits.h header for nanoMIPS, Aleksandar Markovic, 2018/08/13
- [Qemu-devel] [PATCH v8 69/87] linux-user: Add termbits.h header for nanoMIPS, Aleksandar Markovic, 2018/08/13
- [Qemu-devel] [PATCH v8 62/87] mips_malta: Add basic nanoMIPS boot code for Malta board, Aleksandar Markovic, 2018/08/13
- [Qemu-devel] [PATCH v8 65/87] target/mips: Add definition of nanoMIPS I7200 CPU, Aleksandar Markovic, 2018/08/13
- [Qemu-devel] [PATCH v8 42/87] target/mips: Implement emulation of nanoMIPS LLWP/SCWP pair, Aleksandar Markovic, 2018/08/13