[v1] target/mips: Reintroduce the R5900 CPU (with more testing)

[RFC PATCH 29/42] linux-user/mips64: Support the n32 ABI for the R5900

Posted by Philippe Mathieu-Daudé 4 years, 9 months ago

From: Fredrik Noring <noring@nocrew.org>

Recognise the R5900, which reports itself as MIPS III, as a 64-bit CPU
supporting the n32 ABI.

Signed-off-by: Fredrik Noring <noring@nocrew.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <5bea109f0c140da6a821aa7f9705d4b3717e86dc.1541701393.git.noring@nocrew.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 linux-user/mips64/target_elf.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/linux-user/mips64/target_elf.h b/linux-user/mips64/target_elf.h
index ec55d8542ae..5f2f2df29f7 100644
--- a/linux-user/mips64/target_elf.h
+++ b/linux-user/mips64/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_64R6) {
         return "I6400";
     }
+    if ((eflags & EF_MIPS_MACH) == EF_MIPS_MACH_5900) {
+        return "R5900";
+    }
     return "5KEf";
 }
 #endif
-- 
2.26.2

Re: [RFC PATCH 29/42] linux-user/mips64: Support the n32 ABI for the R5900

Posted by Richard Henderson 4 years, 9 months ago

On 2/14/21 9:58 AM, Philippe Mathieu-Daudé wrote:
> From: Fredrik Noring <noring@nocrew.org>
> 
> Recognise the R5900, which reports itself as MIPS III, as a 64-bit CPU
> supporting the n32 ABI.
> 
> Signed-off-by: Fredrik Noring <noring@nocrew.org>
> Reviewed-by: Laurent Vivier <laurent@vivier.eu>
> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
> Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
> Message-Id: <5bea109f0c140da6a821aa7f9705d4b3717e86dc.1541701393.git.noring@nocrew.org>
> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
> ---
>  linux-user/mips64/target_elf.h | 3 +++
>  1 file changed, 3 insertions(+)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~