From: Brian Cain <bc...@quicinc.com>
Signed-off-by: Brian Cain <brian.c...@oss.qualcomm.com>
---
target/hexagon/gen_tcg_sys.h | 19 +++++++++++++++++++
target/hexagon/helper.h | 1 +
target/hexagon/op_helper.c | 4 ++++
3 files changed, 24 insertions(+)
diff --git a/target/hexagon/gen_tcg_sys.h b/target/hexagon/gen_tcg_sys.h
index 942d07b401..6d73a18db4 100644
--- a/target/hexagon/gen_tcg_sys.h
+++ b/target/hexagon/gen_tcg_sys.h
@@ -81,4 +81,23 @@
gen_helper_stop(tcg_env); \
} while (0)
+/*
+ * rte (return from exception)
+ * Clear the EX bit in SSR
+ * Jump to ELR
+ */
+#define fGEN_TCG_J2_rte(SHORTCODE) \
+ do { \
+ TCGv new_ssr = tcg_temp_new(); \
+ tcg_gen_deposit_tl(new_ssr, hex_t_sreg[HEX_SREG_SSR], \
+ tcg_constant_tl(0), \
+ reg_field_info[SSR_EX].offset, \
+ reg_field_info[SSR_EX].width); \
+ gen_log_sreg_write(ctx, HEX_SREG_SSR, new_ssr); \
+ gen_jumpr(ctx, hex_t_sreg[HEX_SREG_ELR]); \
+ } while (0)
+
+#define fGEN_TCG_Y4_nmi(SHORTCODE) \
+ gen_helper_nmi(tcg_env, RsV)
+
#endif
diff --git a/target/hexagon/helper.h b/target/hexagon/helper.h
index ada520bd52..730eaf8b9a 100644
--- a/target/hexagon/helper.h
+++ b/target/hexagon/helper.h
@@ -128,4 +128,5 @@ DEF_HELPER_2(start, void, env, i32)
DEF_HELPER_1(stop, void, env)
DEF_HELPER_2(wait, void, env, i32)
DEF_HELPER_2(resume, void, env, i32)
+DEF_HELPER_2(nmi, void, env, i32)
#endif
diff --git a/target/hexagon/op_helper.c b/target/hexagon/op_helper.c
index 09a5284329..139a0b5ab2 100644
--- a/target/hexagon/op_helper.c
+++ b/target/hexagon/op_helper.c
@@ -1433,6 +1433,10 @@ void HELPER(setprio)(CPUHexagonState *env, uint32_t
thread, uint32_t prio)
g_assert_not_reached();
}
+void HELPER(nmi)(CPUHexagonState *env, uint32_t thread_mask)
+{
+ g_assert_not_reached();
+}
#endif
--
2.34.1
