The libgloss m68k-semi.txt spec says that bkpt #0 may be
used when the halt insn is not available. While halt is
available for 68060, continue to support bkpt #0 for all
m68k processors.
Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
target/m68k/translate.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/target/m68k/translate.c b/target/m68k/translate.c
index b7adc8f53d..51c546f26f 100644
--- a/target/m68k/translate.c
+++ b/target/m68k/translate.c
@@ -2775,6 +2775,15 @@ DISAS_INSN(swap)
DISAS_INSN(bkpt)
{
+#ifndef CONFIG_USER_ONLY
+ /* The non-ColdFire semihosting insn is bkpt #0. */
+ if (!m68k_feature(s->env, M68K_FEATURE_CF_ISA_A)
+ && !IS_USER(s)
+ && (insn & 7) == 0
+ && maybe_semihosting(s)) {
+ return;
+ }
+#endif
gen_exception(s, s->base.pc_next, EXCP_DEBUG);
}
--
2.34.1
