cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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target_cpu.h (1671B)

      1/*
      2 * PowerPC specific CPU ABI and functions for linux-user
      3 *
      4 * Copyright (c) 2003-2007 Jocelyn Mayer
      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 <http://www.gnu.org/licenses/>.
     18 */
     19#ifndef PPC_TARGET_CPU_H
     20#define PPC_TARGET_CPU_H
     21
     22static inline void cpu_clone_regs_child(CPUPPCState *env, target_ulong newsp,
     23                                        unsigned flags)
     24{
     25    if (newsp) {
     26        env->gpr[1] = newsp;
     27    }
     28    env->gpr[3] = 0;
     29}
     30
     31static inline void cpu_clone_regs_parent(CPUPPCState *env, unsigned flags)
     32{
     33}
     34
     35static inline void cpu_set_tls(CPUPPCState *env, target_ulong newtls)
     36{
     37#if defined(TARGET_PPC64)
     38    /* The kernel checks TIF_32BIT here; we don't support loading 32-bit
     39       binaries on PPC64 yet. */
     40    env->gpr[13] = newtls;
     41#else
     42    env->gpr[2] = newtls;
     43#endif
     44}
     45
     46#ifndef EF_PPC64_ABI
     47#define EF_PPC64_ABI           0x3
     48#endif
     49
     50static inline uint32_t get_ppc64_abi(struct image_info *infop)
     51{
     52  return infop->elf_flags & EF_PPC64_ABI;
     53}
     54
     55static inline abi_ulong get_sp_from_cpustate(CPUPPCState *state)
     56{
     57    return state->gpr[1];
     58}
     59#endif