C++ (Cpp) fpsimd_preserve_current_state примеры использования

Пример #1

Файл: process.c Проект: EMFPGA/linux_media

int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src)
{
	if (current->mm)
		fpsimd_preserve_current_state();
	*dst = *src;
	return 0;
}

Пример #2

Файл: signal.c Проект: Eyeless95/samsung_g531h_kernel

static int preserve_fpsimd_context(struct fpsimd_context __user *ctx)
{
	struct fpsimd_state *fpsimd = &current->thread.fpsimd_state;
	int err;

	/* dump the hardware registers to the fpsimd_state structure */
	fpsimd_preserve_current_state();

	/* copy the FP and status/control registers */
	err = __copy_to_user(ctx->vregs, fpsimd->vregs, sizeof(fpsimd->vregs));
	__put_user_error(fpsimd->fpsr, &ctx->fpsr, err);
	__put_user_error(fpsimd->fpcr, &ctx->fpcr, err);

	/* copy the magic/size information */
	__put_user_error(FPSIMD_MAGIC, &ctx->head.magic, err);
	__put_user_error(sizeof(struct fpsimd_context), &ctx->head.size, err);

	return err ? -EFAULT : 0;
}