On 12/17/20 11:40 AM, Laurent Vivier wrote:
> Le 19/11/2020 à 17:17, Philippe Mathieu-Daudé a écrit :
>> o32 ABI syscalls start at offset 4000.
>>
>> Signed-off-by: Philippe Mathieu-Daudé <f4...@amsat.org>
>> ---
>>  linux-user/mips64/syscall_nr.h | 5 ++++-
>>  1 file changed, 4 insertions(+), 1 deletion(-)
>>
>> diff --git a/linux-user/mips64/syscall_nr.h b/linux-user/mips64/syscall_nr.h
>> index 672f2fa51cb..6579421fa63 100644
>> --- a/linux-user/mips64/syscall_nr.h
>> +++ b/linux-user/mips64/syscall_nr.h
>> @@ -1,4 +1,7 @@
>> -#ifdef TARGET_ABI_MIPSN32
>> +#if defined(TARGET_ABI_MIPSO32)
>> +#define TARGET_SYSCALL_OFFSET 4000
> 
> The value of the offset is hardcoded in linux-user/mips/meson.build, so 
> either you remove
> TARGET_SYSCALL_OFFSET here or you update meson.build to use it.

I don't understand what this Meson rule does, as this
doesn't work without this patch...

You can download PS2 64-bit O32 binaries from 2002 (before
the official MIPS TLS ABI) there:
https://sourceforge.net/projects/kernelloader/files/

> 
>> +#include "syscall_o32_nr.h"
>> +#elif defined(TARGET_ABI_MIPSN32)
>>  #define TARGET_SYSCALL_OFFSET 6000
>>  #include "syscall_n32_nr.h"
>>  #else
>>
> 
> Thanks,
> Laurent
> 

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