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/*
* PowerPC emulation helpers for QEMU.
*
* 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 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/>.
*/
#include "cpu.h"
#include "helper.h"
/*****************************************************************************/
/* SPR accesses */
#if !defined(CONFIG_USER_ONLY)
/*
* This is an ugly helper for EPR, which is basically the same as accessing
* the IACK (PIAC) register on the MPIC. Because we model the MPIC as a device
* that can only talk to the CPU through MMIO, let's access it that way!
*/
target_ulong helper_load_epr(CPUPPCState *env)
{
return ldl_phys(env->mpic_cpu_base + 0xA0);
}
#endif
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