cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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load_ipl_s390.c (861B)

      1// SPDX-License-Identifier: GPL-2.0
      2
      3#include <linux/kernel.h>
      4#include <linux/sched.h>
      5#include <linux/cred.h>
      6#include <linux/err.h>
      7#include <linux/efi.h>
      8#include <linux/slab.h>
      9#include <keys/asymmetric-type.h>
     10#include <keys/system_keyring.h>
     11#include <asm/boot_data.h>
     12#include "../integrity.h"
     13
     14/*
     15 * Load the certs contained in the IPL report created by the machine loader
     16 * into the platform trusted keyring.
     17 */
     18static int __init load_ipl_certs(void)
     19{
     20	void *ptr, *end;
     21	unsigned int len;
     22
     23	if (!ipl_cert_list_addr)
     24		return 0;
     25	/* Copy the certificates to the system keyring */
     26	ptr = (void *) ipl_cert_list_addr;
     27	end = ptr + ipl_cert_list_size;
     28	while ((void *) ptr < end) {
     29		len = *(unsigned int *) ptr;
     30		ptr += sizeof(unsigned int);
     31		add_to_platform_keyring("IPL:db", ptr, len);
     32		ptr += len;
     33	}
     34	return 0;
     35}
     36late_initcall(load_ipl_certs);