On Wed, 2009-07-15 at 22:23 +0200, Tomek Grabiec wrote:
> @@ -0,0 +1,31 @@
> +#ifndef __X86_CALL_H
> +#define __X86_CALL_H
> +
> +#ifdef CONFIG_X86_32
> +/**
> + * This calls a function (@target) with call arguments copied from
> + * @args array. The array contains @args_count elements of machine
> + * word size. The call result will be stored in @result.
> + */
> +#define native_call(target, args, args_count, result) {
> \
> + __asm__ volatile ( \
> + "movl %2, %%esi \n" \
> + "movl %1, %%ecx \n" \
> + "subl %%ecx, %%esp \n" \
> + "movl %%esp, %%edi \n" \
> + "cld \n" \
> + "rep movsb \n" \
> + "movl %%ecx, %%esi \n" \
> + "call *%3 \n" \
> + "addl %%esi, %%esp \n" \
> + "movl %%eax, %0 \n" \
> + : "=r" (result) \
> + : "r" (sizeof(long) * args_count), "r"(args), "m"(target) \
> + : "%ecx", "%esi", "%eax", "cc", "memory" \
> + ); \
> + }
> +#else
> + #error NOT IMPLEMENTED
It's probably good idea to always CC Eduard on these kinds of changes.
> +#endif
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