cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

ip27-klconfig.c (1711B)

      1// SPDX-License-Identifier: GPL-2.0
      2/*
      3 * Copyright (C) 1999, 2000 Ralf Baechle (ralf@gnu.org)
      4 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
      5 */
      6#include <linux/kernel.h>
      7#include <linux/sched.h>
      8#include <linux/interrupt.h>
      9#include <linux/kernel_stat.h>
     10#include <linux/param.h>
     11#include <linux/timex.h>
     12#include <linux/mm.h>
     13
     14#include <asm/sn/klconfig.h>
     15#include <asm/sn/arch.h>
     16#include <asm/sn/gda.h>
     17
     18klinfo_t *find_component(lboard_t *brd, klinfo_t *kli, unsigned char struct_type)
     19{
     20	int index, j;
     21
     22	if (kli == (klinfo_t *)NULL) {
     23		index = 0;
     24	} else {
     25		for (j = 0; j < KLCF_NUM_COMPS(brd); j++)
     26			if (kli == KLCF_COMP(brd, j))
     27				break;
     28		index = j;
     29		if (index == KLCF_NUM_COMPS(brd)) {
     30			printk("find_component: Bad pointer: 0x%p\n", kli);
     31			return (klinfo_t *)NULL;
     32		}
     33		index++;		/* next component */
     34	}
     35
     36	for (; index < KLCF_NUM_COMPS(brd); index++) {
     37		kli = KLCF_COMP(brd, index);
     38		if (KLCF_COMP_TYPE(kli) == struct_type)
     39			return kli;
     40	}
     41
     42	/* Didn't find it. */
     43	return (klinfo_t *)NULL;
     44}
     45
     46klinfo_t *find_first_component(lboard_t *brd, unsigned char struct_type)
     47{
     48	return find_component(brd, (klinfo_t *)NULL, struct_type);
     49}
     50
     51lboard_t *find_lboard(lboard_t *start, unsigned char brd_type)
     52{
     53	/* Search all boards stored on this node. */
     54	while (start) {
     55		if (start->brd_type == brd_type)
     56			return start;
     57		start = KLCF_NEXT(start);
     58	}
     59	/* Didn't find it. */
     60	return (lboard_t *)NULL;
     61}
     62
     63lboard_t *find_lboard_class(lboard_t *start, unsigned char brd_type)
     64{
     65	/* Search all boards stored on this node. */
     66	while (start) {
     67		if (KLCLASS(start->brd_type) == KLCLASS(brd_type))
     68			return start;
     69		start = KLCF_NEXT(start);
     70	}
     71
     72	/* Didn't find it. */
     73	return (lboard_t *)NULL;
     74}