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risu_ppc64.c
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risu_ppc64.c
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/******************************************************************************
* Copyright (c) IBM Corp, 2016
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Jose Ricardo Ziviani - initial implementation
* based on Claudio Fontana's risu_aarch64.c
* based on Peter Maydell's risu_arm.c
*****************************************************************************/
#include "risu.h"
void advance_pc(void *vuc)
{
ucontext_t *uc = (ucontext_t *) vuc;
uc->uc_mcontext.regs->nip += 4;
}
void set_ucontext_paramreg(void *vuc, uint64_t value)
{
ucontext_t *uc = vuc;
uc->uc_mcontext.gp_regs[0] = value;
}
uint64_t get_reginfo_paramreg(struct reginfo *ri)
{
return ri->gregs[0];
}
int get_risuop(struct reginfo *ri)
{
uint32_t insn = ri->faulting_insn;
uint32_t op = insn & 0xf;
uint32_t key = insn & ~0xf;
uint32_t risukey = 0x00005af0;
return (key != risukey) ? -1 : op;
}
uintptr_t get_pc(struct reginfo *ri)
{
return ri->nip;
}