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Re: [Qemu-devel] [PATCH v6 6/7] linux-user/mips: Recognise the R5900 CPU
From: |
Philippe Mathieu-Daudé |
Subject: |
Re: [Qemu-devel] [PATCH v6 6/7] linux-user/mips: Recognise the R5900 CPU model |
Date: |
Sun, 30 Sep 2018 17:10:56 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.0 |
On 9/15/18 11:08 AM, Fredrik Noring wrote:
> This kind of ELF for the R5900 relies on an IEEE 754-1985 compliant FPU.
> The R5900 FPU hardware is noncompliant and it is therefore emulated in
> software by the Linux kernel. QEMU emulates a compliant FPU accordingly.
>
> Signed-off-by: Fredrik Noring <address@hidden>
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
> ---
> linux-user/mips/target_elf.h | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/linux-user/mips/target_elf.h b/linux-user/mips/target_elf.h
> index fa5d30bf99..a98c9bd6ad 100644
> --- a/linux-user/mips/target_elf.h
> +++ b/linux-user/mips/target_elf.h
> @@ -12,6 +12,9 @@ static inline const char *cpu_get_model(uint32_t eflags)
> if ((eflags & EF_MIPS_ARCH) == EF_MIPS_ARCH_32R6) {
> return "mips32r6-generic";
> }
> + if ((eflags & EF_MIPS_MACH) == EF_MIPS_MACH_5900) {
> + return "R5900";
> + }
> return "24Kf";
> }
> #endif
>
- Re: [Qemu-devel] [PATCH v6 1/7] target/mips: Define R5900 instructions and CPU preprocessor constants, (continued)
- [Qemu-devel] [PATCH v6 2/7] target/mips: Support R5900 specific three-operand MULT and MULTU, Fredrik Noring, 2018/09/29
- [Qemu-devel] [PATCH v6 5/7] target/mips: Define the R5900 CPU, Fredrik Noring, 2018/09/29
- [Qemu-devel] [PATCH v6 4/7] target/mips: R5900 DMULT[U], DDIV[U], LL[D] and SC[D] are user only, Fredrik Noring, 2018/09/29
- [Qemu-devel] [PATCH v6 3/7] target/mips: Support R5900 instructions MOVN, MOVZ and PREF from MIPS IV, Fredrik Noring, 2018/09/29
- [Qemu-devel] [PATCH v6 7/7] elf: Toshiba/Sony rather than MIPS are the implementors of the R5900, Fredrik Noring, 2018/09/29
- [Qemu-devel] [PATCH v6 6/7] linux-user/mips: Recognise the R5900 CPU model, Fredrik Noring, 2018/09/29
- Re: [Qemu-devel] [PATCH v6 6/7] linux-user/mips: Recognise the R5900 CPU model,
Philippe Mathieu-Daudé <=