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/*
* HPPA memory access helper routines
*
* Copyright (c) 2017 Helge Deller
*
* 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 "qemu/osdep.h"
#include "cpu.h"
#include "exec/exec-all.h"
#include "exec/helper-proto.h"
#include "qom/cpu.h"
#ifdef CONFIG_USER_ONLY
int hppa_cpu_handle_mmu_fault(CPUState *cs, vaddr address,
int size, int rw, int mmu_idx)
{
HPPACPU *cpu = HPPA_CPU(cs);
/* ??? Test between data page fault and data memory protection trap,
which would affect si_code. */
cs->exception_index = EXCP_DMP;
cpu->env.ior = address;
return 1;
}
#else
hwaddr hppa_cpu_get_phys_page_debug(CPUState *cs, vaddr addr)
{
/* Stub */
return addr;
}
void tlb_fill(CPUState *cs, target_ulong addr, MMUAccessType type,
int mmu_idx, uintptr_t retaddr)
{
/* Stub */
int prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
hwaddr phys = addr;
/* Success! Store the translation into the QEMU TLB. */
tlb_set_page(cs, addr & TARGET_PAGE_MASK, phys & TARGET_PAGE_MASK,
prot, mmu_idx, TARGET_PAGE_SIZE);
}
#endif /* CONFIG_USER_ONLY */
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