target/ppc: Fix XER access in monitor
We can't read env->xer directly, as it does not contain some bits of
XER. Instead, we should have a callback that uses cpu_read_xer to read
the complete register.
Fixes: da91a00f19
("target-ppc: Split out SO, OV, CA fields from XER")
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20211014223234.127012-5-matheus.ferst@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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@ -44,6 +44,13 @@ static target_long monitor_get_ccr(Monitor *mon, const struct MonitorDef *md,
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return u;
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return u;
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}
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}
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static target_long monitor_get_xer(Monitor *mon, const struct MonitorDef *md,
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int val)
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{
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CPUArchState *env = mon_get_cpu_env(mon);
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return cpu_read_xer(env);
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}
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static target_long monitor_get_decr(Monitor *mon, const struct MonitorDef *md,
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static target_long monitor_get_decr(Monitor *mon, const struct MonitorDef *md,
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int val)
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int val)
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{
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{
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@ -85,7 +92,7 @@ const MonitorDef monitor_defs[] = {
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{ "decr", 0, &monitor_get_decr, },
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{ "decr", 0, &monitor_get_decr, },
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{ "ccr|cr", 0, &monitor_get_ccr, },
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{ "ccr|cr", 0, &monitor_get_ccr, },
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/* Machine state register */
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/* Machine state register */
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{ "xer", offsetof(CPUPPCState, xer) },
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{ "xer", 0, &monitor_get_xer },
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{ "msr", offsetof(CPUPPCState, msr) },
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{ "msr", offsetof(CPUPPCState, msr) },
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{ "tbu", 0, &monitor_get_tbu, },
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{ "tbu", 0, &monitor_get_tbu, },
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{ "tbl", 0, &monitor_get_tbl, },
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{ "tbl", 0, &monitor_get_tbl, },
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