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[Qemu-devel] [PATCH v10 32/65] target/mips: Add emulation of DSP ASE for
From: |
Aleksandar Markovic |
Subject: |
[Qemu-devel] [PATCH v10 32/65] target/mips: Add emulation of DSP ASE for nanoMIPS - part 6 |
Date: |
Fri, 17 Aug 2018 16:03:20 +0200 |
From: Stefan Markovic <address@hidden>
Add emulation of DSP ASE instructions for nanoMIPS - part 6.
Reviewed-by: Aleksandar Markovic <address@hidden>
Signed-off-by: Aleksandar Markovic <address@hidden>
Signed-off-by: Stefan Markovic <address@hidden>
---
target/mips/translate.c | 58 +++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 58 insertions(+)
diff --git a/target/mips/translate.c b/target/mips/translate.c
index 25fa112..53cee3d 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -17909,6 +17909,60 @@ static void gen_pool32axf_4_nanomips_insn(DisasContext
*ctx, uint32_t opc,
tcg_temp_free(t0);
}
+static void gen_pool32axf_7_nanomips_insn(DisasContext *ctx, uint32_t opc,
+ int rt, int rs, int rd)
+{
+ TCGv t0 = tcg_temp_new();
+ TCGv rs_t = tcg_temp_new();
+
+ gen_load_gpr(rs_t, rs);
+
+ switch (opc) {
+ case NM_SHRA_R_QB:
+ check_dspr2(ctx);
+ tcg_gen_movi_tl(t0, rd >> 2);
+ switch (extract32(ctx->opcode, 12, 1)) {
+ case 0:
+ /* NM_SHRA_QB */
+ gen_helper_shra_qb(t0, t0, rs_t);
+ gen_store_gpr(t0, rt);
+ break;
+ case 1:
+ /* NM_SHRA_R_QB */
+ gen_helper_shra_r_qb(t0, t0, rs_t);
+ gen_store_gpr(t0, rt);
+ break;
+ }
+ break;
+ case NM_SHRL_PH:
+ check_dspr2(ctx);
+ tcg_gen_movi_tl(t0, rd >> 1);
+ gen_helper_shrl_ph(t0, t0, rs_t);
+ gen_store_gpr(t0, rt);
+ break;
+ case NM_REPL_QB:
+ check_dsp(ctx);
+ {
+ int16_t imm;
+ target_long result;
+ imm = extract32(ctx->opcode, 13, 8);
+ result = (uint32_t)imm << 24 |
+ (uint32_t)imm << 16 |
+ (uint32_t)imm << 8 |
+ (uint32_t)imm;
+ result = (int32_t)result;
+ tcg_gen_movi_tl(t0, result);
+ gen_store_gpr(t0, rt);
+ }
+ break;
+ default:
+ generate_exception_end(ctx, EXCP_RI);
+ break;
+ }
+ tcg_temp_free(t0);
+ tcg_temp_free(rs_t);
+}
+
static void gen_pool32axf_nanomips_insn(CPUMIPSState *env, DisasContext *ctx)
{
@@ -18004,6 +18058,10 @@ static void gen_pool32axf_nanomips_insn(CPUMIPSState
*env, DisasContext *ctx)
}
break;
case NM_POOL32AXF_7:
+ {
+ int32_t op1 = extract32(ctx->opcode, 9, 3);
+ gen_pool32axf_7_nanomips_insn(ctx, op1, rt, rs, rd);
+ }
break;
default:
generate_exception_end(ctx, EXCP_RI);
--
2.7.4
- [Qemu-devel] [PATCH v10 55/65] linux-user: Add signal.c for nanoMIPS, (continued)
- [Qemu-devel] [PATCH v10 55/65] linux-user: Add signal.c for nanoMIPS, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 56/65] linux-user: Add support for nanoMIPS signal trampoline, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 51/65] linux-user: Add target_syscall.h header for nanoMIPS, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 58/65] linux-user: Amend support for sigaction() syscall for nanoMIPS, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 43/65] target/mips: Add definition of nanoMIPS I7200 CPU, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 62/65] linux-user: Add nanoMIPS support in scripts/qemu-binfmt-conf.sh, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 23/65] target/mips: Implement emulation of nanoMIPS LLWP/SCWP pair, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 24/65] target/mips: Add emulation of nanoMIPS 32-bit branch instructions, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 60/65] linux-user: Add support for nanoMIPS core files, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 22/65] target/mips: Add emulation of nanoMIPS 32-bit load and store instructions, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 32/65] target/mips: Add emulation of DSP ASE for nanoMIPS - part 6,
Aleksandar Markovic <=
- [Qemu-devel] [PATCH v10 61/65] linux-user: Add nanoMIPS linux user mode configuration support, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 41/65] mips_malta: Add setting up GT64120 BARs to the nanoMIPS bootloader, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 47/65] linux-user: Add termbits.h header for nanoMIPS, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 40/65] mips_malta: Add basic nanoMIPS boot code for Malta board, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 54/65] linux-user: Add target_elf.h header for nanoMIPS, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 45/65] linux-user: Add syscall numbers for nanoMIPS, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 59/65] linux-user: Add support for statx() syscall for all platforms, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 44/65] elf: Add nanoMIPS specific variations in ELF header fields, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 42/65] mips_malta: Fix semihosting argument passing for nanoMIPS bare metal, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 36/65] elf: Add EM_NANOMIPS value as a valid one for e_machine field, Aleksandar Markovic, 2018/08/17