[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH v4 1/8] target/mips: Define R5900 instructions a
From: |
Philippe Mathieu-Daudé |
Subject: |
Re: [Qemu-devel] [PATCH v4 1/8] target/mips: Define R5900 instructions and CPU preprocessor constants |
Date: |
Mon, 17 Sep 2018 01:40:36 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.0 |
On 9/7/18 7:43 PM, Fredrik Noring wrote:
> The R5900 implements the 64-bit MIPS III instruction set except DMULT,
> DMULTU, DDIV, DDIVU, LL, SC, LLD and SCD. The MIPS IV instructions MOVN,
> MOVZ and PREF are implemented. It has the R5900 specific three-operand
> instructions MADD, MADDU, MULT and MULTU as well as pipeline 1 versions
> MULT1, MULTU1, DIV1, DIVU1, MADD1, MADDU1, MFHI1, MFLO1, MTHI1 and
> MTLO1. A set of 93 128-bit multimedia instructions specific to the
> R5900 is also implemented.
>
> The Toshiba TX System RISC TX79 Core Architecture manual describes the
> R5900 processor:
>
> http://www.lukasz.dk/files/tx79architecture.pdf
>
> Signed-off-by: Fredrik Noring <address@hidden>
> ---
> target/mips/mips-defs.h | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/target/mips/mips-defs.h b/target/mips/mips-defs.h
> index c8e99791ad..76550de2da 100644
> --- a/target/mips/mips-defs.h
> +++ b/target/mips/mips-defs.h
> @@ -53,6 +53,7 @@
> #define ASE_MSA 0x01000000
>
> /* Chip specific instructions. */
> +#define INSN_R5900 0x10000000
> #define INSN_LOONGSON2E 0x20000000
> #define INSN_LOONGSON2F 0x40000000
> #define INSN_VR54XX 0x80000000
> @@ -63,6 +64,7 @@
> #define CPU_MIPS3 (CPU_MIPS2 | ISA_MIPS3)
> #define CPU_MIPS4 (CPU_MIPS3 | ISA_MIPS4)
The following definitions are used only once for the mips_def_t member.
I plan to remove them later, anyway until then:
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
> #define CPU_VR54XX (CPU_MIPS4 | INSN_VR54XX)
> +#define CPU_R5900 (CPU_MIPS3 | INSN_R5900)
> #define CPU_LOONGSON2E (CPU_MIPS3 | INSN_LOONGSON2E)
> #define CPU_LOONGSON2F (CPU_MIPS3 | INSN_LOONGSON2F)
>
>
- [Qemu-devel] [PATCH v4 8/8] elf: Toshiba/Sony rather than MIPS are the implementors of the R5900, (continued)
- Re: [Qemu-devel] [PATCH v4 7/8] linux-user/mips: Recognise the R5900 CPU model, Philippe Mathieu-Daudé, 2018/09/16
- Re: [Qemu-devel] [PATCH v4 5/8] target/mips: R5900 DMULT[U], DDIV[U], LL, SC, LLD and SCD are user only, Philippe Mathieu-Daudé, 2018/09/16
- Re: [Qemu-devel] [PATCH v4 5/8] target/mips: R5900 DMULT[U], DDIV[U], LL, SC, LLD and SCD are user only, Maciej W. Rozycki, 2018/09/17
- Re: [Qemu-devel] [PATCH v4 5/8] target/mips: R5900 DMULT[U], DDIV[U], LL, SC, LLD and SCD are user only, Fredrik Noring, 2018/09/18
- Re: [Qemu-devel] [PATCH v4 5/8] target/mips: R5900 DMULT[U], DDIV[U], LL, SC, LLD and SCD are user only, Maciej W. Rozycki, 2018/09/18
- Re: [Qemu-devel] [PATCH v4 5/8] target/mips: R5900 DMULT[U], DDIV[U], LL, SC, LLD and SCD are user only, Philippe Mathieu-Daudé, 2018/09/19
- Re: [Qemu-devel] [PATCH v4 4/8] target/mips: Add function to signal RI exception unless user only, Philippe Mathieu-Daudé, 2018/09/16
- Re: [Qemu-devel] [PATCH v4 3/8] target/mips: Support R5900 instructions MOVN, MOVZ and PREF from MIPS IV, Philippe Mathieu-Daudé, 2018/09/16
Re: [Qemu-devel] [PATCH v4 1/8] target/mips: Define R5900 instructions and CPU preprocessor constants,
Philippe Mathieu-Daudé <=