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target/ppc: allow ppc_cpu_do_system_reset to take an alternate vector

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Provide for an alternate delivery location, -1 defaults to the
architected address.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-Id: <20200316142613.121089-7-npiggin@gmail.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Nicholas Piggin 2020-03-17 00:26:11 +10:00 committed by David Gibson
parent 89ba45652b
commit 9aa2528070
3 changed files with 6 additions and 3 deletions
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2
hw/ppc/spapr.c
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@ -3385,7 +3385,7 @@ static void spapr_machine_finalizefn(Object *obj)
void spapr_do_system_reset_on_cpu(CPUState *cs, run_on_cpu_data arg)
{
cpu_synchronize_state(cs);
ppc_cpu_do_system_reset(cs);
ppc_cpu_do_system_reset(cs, -1);
}
static void spapr_nmi(NMIState *n, int cpu_index, Error **errp)

2
target/ppc/cpu.h
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@ -1220,7 +1220,7 @@ int ppc64_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cs,
int ppc32_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cs,
int cpuid, void *opaque);
#ifndef CONFIG_USER_ONLY
void ppc_cpu_do_system_reset(CPUState *cs);
void ppc_cpu_do_system_reset(CPUState *cs, target_ulong vector);
void ppc_cpu_do_fwnmi_machine_check(CPUState *cs, target_ulong vector);
extern const VMStateDescription vmstate_ppc_cpu;
#endif

5
target/ppc/excp_helper.c
View File

@ -961,12 +961,15 @@ static void ppc_hw_interrupt(CPUPPCState *env)
}
}
void ppc_cpu_do_system_reset(CPUState *cs)
void ppc_cpu_do_system_reset(CPUState *cs, target_ulong vector)
{
PowerPCCPU *cpu = POWERPC_CPU(cs);
CPUPPCState *env = &cpu->env;
powerpc_excp(cpu, env->excp_model, POWERPC_EXCP_RESET);
if (vector != -1) {
env->nip = vector;
}
}
void ppc_cpu_do_fwnmi_machine_check(CPUState *cs, target_ulong vector)