On 5/26/10 11:44 AM, Arne Georg Gleditsch wrote:
> +#define MSR_GS_BASE 0xc0000101
> +
> #include <arch/mmio_conf.h>
>
> +
> +static inline __attribute__((always_inline)) void set_gs_base(uint64_t base)
> +{
> + /* Make sure %gs is a valid descriptor */
> + __asm__ volatile (
> + "mov %%ds, %%ax\n\tmov %%ax, %%gs" ::: "eax");
> + /* Set base */
> + __asm__ volatile (
> + "wrmsr" :: "A"(base), "c"(MSR_GS_BASE));
> +}
> +
>
This also breaks on all non-AMD platforms.
I think we should move all of this code to some AMD specific directory
(northbridge or cpu) before applying these changes.
Comments?
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