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

xlnx-versal-efuse.h (2372B)


      1/*
      2 * Copyright (c) 2020 Xilinx Inc.
      3 *
      4 * Permission is hereby granted, free of charge, to any person obtaining a copy
      5 * of this software and associated documentation files (the "Software"), to deal
      6 * in the Software without restriction, including without limitation the rights
      7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
      8 * copies of the Software, and to permit persons to whom the Software is
      9 * furnished to do so, subject to the following conditions:
     10 *
     11 * The above copyright notice and this permission notice shall be included in
     12 * all copies or substantial portions of the Software.
     13 *
     14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
     17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
     20 * THE SOFTWARE.
     21 */
     22#ifndef XLNX_VERSAL_EFUSE_H
     23#define XLNX_VERSAL_EFUSE_H
     24
     25#include "hw/irq.h"
     26#include "hw/sysbus.h"
     27#include "hw/register.h"
     28#include "hw/nvram/xlnx-efuse.h"
     29
     30#define XLNX_VERSAL_EFUSE_CTRL_R_MAX ((0x100 / 4) + 1)
     31
     32#define TYPE_XLNX_VERSAL_EFUSE_CTRL  "xlnx,versal-efuse"
     33#define TYPE_XLNX_VERSAL_EFUSE_CACHE "xlnx,pmc-efuse-cache"
     34
     35OBJECT_DECLARE_SIMPLE_TYPE(XlnxVersalEFuseCtrl, XLNX_VERSAL_EFUSE_CTRL);
     36OBJECT_DECLARE_SIMPLE_TYPE(XlnxVersalEFuseCache, XLNX_VERSAL_EFUSE_CACHE);
     37
     38struct XlnxVersalEFuseCtrl {
     39    SysBusDevice parent_obj;
     40    qemu_irq irq_efuse_imr;
     41
     42    XlnxEFuse *efuse;
     43
     44    void *extra_pg0_lock_spec;      /* Opaque property */
     45    uint32_t extra_pg0_lock_n16;
     46
     47    uint32_t regs[XLNX_VERSAL_EFUSE_CTRL_R_MAX];
     48    RegisterInfo regs_info[XLNX_VERSAL_EFUSE_CTRL_R_MAX];
     49};
     50
     51struct XlnxVersalEFuseCache {
     52    SysBusDevice parent_obj;
     53    MemoryRegion iomem;
     54
     55    XlnxEFuse *efuse;
     56};
     57
     58/**
     59 * xlnx_versal_efuse_read_row:
     60 * @s: the efuse object
     61 * @bit: the bit-address within the 32-bit row to be read
     62 * @denied: if non-NULL, to receive true if the row is write-only
     63 *
     64 * Returns: the 32-bit word containing address @bit; 0 if @denies is true
     65 */
     66uint32_t xlnx_versal_efuse_read_row(XlnxEFuse *s, uint32_t bit, bool *denied);
     67
     68#endif