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-rw-r--r--sim/common/ChangeLog4
-rw-r--r--sim/common/cgen-run.c5
2 files changed, 8 insertions, 1 deletions
diff --git a/sim/common/ChangeLog b/sim/common/ChangeLog
index 91e254c..8472b2b 100644
--- a/sim/common/ChangeLog
+++ b/sim/common/ChangeLog
@@ -1,5 +1,9 @@
2021-06-27 Mike Frysinger <vapier@gentoo.org>
+ * cgen-run.c (engine_run_n): Assert cpu arguments are valid.
+
+2021-06-27 Mike Frysinger <vapier@gentoo.org>
+
* cgen-trace.h (cgen_trace_printf): Add ATTRIBUTE_PRINTF_2.
(sim_disasm_sprintf): Likewise.
diff --git a/sim/common/cgen-run.c b/sim/common/cgen-run.c
index 1b097e1..0951c92 100644
--- a/sim/common/cgen-run.c
+++ b/sim/common/cgen-run.c
@@ -231,6 +231,9 @@ engine_run_n (SIM_DESC sd, int next_cpu_nr, int nr_cpus, int max_insns, int fast
int i;
ENGINE_FN *engine_fns[MAX_NR_PROCESSORS];
+ SIM_ASSERT (nr_cpus <= MAX_NR_PROCESSORS);
+ SIM_ASSERT (next_cpu_nr >= 0 && next_cpu_nr < nr_cpus);
+
for (i = 0; i < nr_cpus; ++i)
{
SIM_CPU *cpu = STATE_CPU (sd, i);
@@ -244,7 +247,7 @@ engine_run_n (SIM_DESC sd, int next_cpu_nr, int nr_cpus, int max_insns, int fast
SIM_ENGINE_PREFIX_HOOK (sd);
/* FIXME: proper cycling of all of them, blah blah blah. */
- while (next_cpu_nr != nr_cpus)
+ while (next_cpu_nr < nr_cpus)
{
SIM_CPU *cpu = STATE_CPU (sd, next_cpu_nr);