[PATCH v3] commands: import memtester 4.3.0 from Debian GNU/Linux

Sascha Hauer s.hauer at pengutronix.de
Mon Nov 2 04:37:15 EST 2020


Hi Peter,

On Mon, Nov 02, 2020 at 12:41:15AM +0300, Peter Mamonov wrote:
> Memtester is an utility for testing the memory subsystem for faults.  For
> hardware developers, memtester can be told to test memory starting at a
> particular physical address.

Applied with some adjustments, thanks

> +#include <linux/limits.h>
> +
> +#define rand32() random32()
> +
> +#if defined(CONFIG_32BIT)
> +    #define rand_ul() rand32()
> +    #define UL_ONEBITS 0xffffffff
> +    #define UL_LEN 32
> +    #define CHECKERBOARD1 0x55555555
> +    #define CHECKERBOARD2 0xaaaaaaaa
> +    #define UL_BYTE(x) ((x | x << 8 | x << 16 | x << 24))
> +#elif defined(CONFIG_64BIT)
> +    #define rand64() (((ul) rand32()) << 32 | ((ul) rand32()))
> +    #define rand_ul() rand64()
> +    #define UL_ONEBITS 0xffffffffffffffffUL
> +    #define UL_LEN 64
> +    #define CHECKERBOARD1 0x5555555555555555
> +    #define CHECKERBOARD2 0xaaaaaaaaaaaaaaaa
> +    #define UL_BYTE(x) (((ul)x | (ul)x<<8 | (ul)x<<16 | (ul)x<<24 | (ul)x<<32 | (ul)x<<40 | (ul)x<<48 | (ul)x<<56))
> +#else
> +    #error long on this platform is not 32 or 64 bits
> +#endif

CONFIG_32BIT is not always set, only CONFIG_64BIT is. I had to change
this to

#ifdef CONFIG_64BIT
...
#else
...
#endif

Sascha


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