cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

fw_cfg.c (1283B)

      1/*
      2 * fw_cfg helpers (PPC specific)
      3 *
      4 * Copyright (c) 2019 Red Hat, Inc.
      5 *
      6 * Author:
      7 *   Philippe Mathieu-Daudé <philmd@redhat.com>
      8 *
      9 * SPDX-License-Identifier: GPL-2.0-or-later
     10 *
     11 * This work is licensed under the terms of the GNU GPL, version 2 or later.
     12 * See the COPYING file in the top-level directory.
     13 */
     14
     15#include "qemu/osdep.h"
     16#include "hw/ppc/ppc.h"
     17#include "hw/nvram/fw_cfg.h"
     18
     19const char *fw_cfg_arch_key_name(uint16_t key)
     20{
     21    static const struct {
     22        uint16_t key;
     23        const char *name;
     24    } fw_cfg_arch_wellknown_keys[] = {
     25        {FW_CFG_PPC_WIDTH, "width"},
     26        {FW_CFG_PPC_HEIGHT, "height"},
     27        {FW_CFG_PPC_DEPTH, "depth"},
     28        {FW_CFG_PPC_TBFREQ, "tbfreq"},
     29        {FW_CFG_PPC_CLOCKFREQ, "clockfreq"},
     30        {FW_CFG_PPC_IS_KVM, "is_kvm"},
     31        {FW_CFG_PPC_KVM_HC, "kvm_hc"},
     32        {FW_CFG_PPC_KVM_PID, "pid"},
     33        {FW_CFG_PPC_NVRAM_ADDR, "nvram_addr"},
     34        {FW_CFG_PPC_BUSFREQ, "busfreq"},
     35        {FW_CFG_PPC_NVRAM_FLAT, "nvram_flat"},
     36        {FW_CFG_PPC_VIACONFIG, "viaconfig"},
     37    };
     38
     39    for (size_t i = 0; i < ARRAY_SIZE(fw_cfg_arch_wellknown_keys); i++) {
     40        if (fw_cfg_arch_wellknown_keys[i].key == key) {
     41            return fw_cfg_arch_wellknown_keys[i].name;
     42        }
     43    }
     44    return NULL;
     45}