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

mmu.h (1596B)

      1/*
      2 * Altera Nios II MMU emulation for qemu.
      3 *
      4 * Copyright (C) 2012 Chris Wulff <crwulff@gmail.com>
      5 *
      6 * This library is free software; you can redistribute it and/or
      7 * modify it under the terms of the GNU Lesser General Public
      8 * License as published by the Free Software Foundation; either
      9 * version 2.1 of the License, or (at your option) any later version.
     10 *
     11 * This library is distributed in the hope that it will be useful,
     12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
     13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     14 * Lesser General Public License for more details.
     15 *
     16 * You should have received a copy of the GNU Lesser General Public
     17 * License along with this library; if not, see
     18 * <http://www.gnu.org/licenses/lgpl-2.1.html>
     19 */
     20
     21#ifndef NIOS2_MMU_H
     22#define NIOS2_MMU_H
     23
     24typedef struct Nios2TLBEntry {
     25    target_ulong tag;
     26    target_ulong data;
     27} Nios2TLBEntry;
     28
     29typedef struct Nios2MMU {
     30    int tlb_entry_mask;
     31    uint32_t pteaddr_wr;
     32    uint32_t tlbacc_wr;
     33    uint32_t tlbmisc_wr;
     34    Nios2TLBEntry *tlb;
     35} Nios2MMU;
     36
     37typedef struct Nios2MMULookup {
     38    target_ulong vaddr;
     39    target_ulong paddr;
     40    int prot;
     41} Nios2MMULookup;
     42
     43void mmu_flip_um(CPUNios2State *env, unsigned int um);
     44unsigned int mmu_translate(CPUNios2State *env,
     45                           Nios2MMULookup *lu,
     46                           target_ulong vaddr, int rw, int mmu_idx);
     47void mmu_read_debug(CPUNios2State *env, uint32_t rn);
     48void mmu_write(CPUNios2State *env, uint32_t rn, uint32_t v);
     49void mmu_init(CPUNios2State *env);
     50
     51#endif /* NIOS2_MMU_H */