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/*
* PowerPC specific CPU ABI and functions for linux-user
*
* Copyright (c) 2003-2007 Jocelyn Mayer
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef PPC_TARGET_CPU_H
#define PPC_TARGET_CPU_H
static inline void cpu_clone_regs_child(CPUPPCState *env, target_ulong newsp,
unsigned flags)
{
if (newsp) {
env->gpr[1] = newsp;
}
env->gpr[3] = 0;
}
static inline void cpu_clone_regs_parent(CPUPPCState *env, unsigned flags)
{
}
static inline void cpu_set_tls(CPUPPCState *env, target_ulong newtls)
{
#if defined(TARGET_PPC64)
/* The kernel checks TIF_32BIT here; we don't support loading 32-bit
binaries on PPC64 yet. */
env->gpr[13] = newtls;
#else
env->gpr[2] = newtls;
#endif
}
#ifndef EF_PPC64_ABI
#define EF_PPC64_ABI 0x3
#endif
static inline uint32_t get_ppc64_abi(struct image_info *infop)
{
return infop->elf_flags & EF_PPC64_ABI;
}
static inline abi_ulong get_sp_from_cpustate(CPUPPCState *state)
{
return state->gpr[1];
}
#endif
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