Re: [AD] Two patches for test.c

[AJ <aj@xxxxxxxxxx>]

Evert Glebbeek wrote:
> Attached are two patches for the test programme. The first for reporting 
> the new CPU capabilities added by AJ, the second for reporting if the 
> system has a hardware mouse cursor.
>
> There's a problem with the CPU capabilities though. The detection for AMD64 
> and IA64 depends on the CPUID instruction. However, on AMD64 Allegro is 
> compiled without inline assembler code (at least in Linux), so the CPUID 
> instruction is never used and the processor type is in fact unknown. I 
> don't see an easy way around this at the moment. Any suggestions?
> With hindsight, I also think the cpu_capabilities flag is probably 
> inappropriate for this task and it would have been better to somehow use 
> the cpu_family and cpu_model variables. Thoughts?


couldn't hurt to use both.

i use inline asm in MSVC7 to call the CPUID instruction.
i have a AMD64, on Win32XPsp1.
i use it to get cache info also.

eg...
CPU Cache Level 1: 128k
CPU Cache Level 2: 512k
CPU Cache Line size: 64 bytes