[PATCH v7 55/73] target/arm: Add gcs record for BL

Richard Henderson posted 73 patches 1 month, 1 week ago
Maintainers: Richard Henderson <richard.henderson@linaro.org>, Paolo Bonzini <pbonzini@redhat.com>, Eduardo Habkost <eduardo@habkost.net>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Yanan Wang <wangyanan55@huawei.com>, Zhao Liu <zhao1.liu@intel.com>, Laurent Vivier <laurent@vivier.eu>, Peter Maydell <peter.maydell@linaro.org>, Alex Williamson <alex.williamson@redhat.com>, "Cédric Le Goater" <clg@redhat.com>, Radoslaw Biernacki <rad@semihalf.com>, Leif Lindholm <leif.lindholm@oss.qualcomm.com>
[PATCH v7 55/73] target/arm: Add gcs record for BL
Posted by Richard Henderson 1 month, 1 week ago
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/tcg/translate-a64.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index d58257be40..9a564339fa 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -1678,7 +1678,14 @@ static bool trans_B(DisasContext *s, arg_i *a)
 
 static bool trans_BL(DisasContext *s, arg_i *a)
 {
-    gen_pc_plus_diff(s, cpu_reg(s, 30), curr_insn_len(s));
+    TCGv_i64 link = tcg_temp_new_i64();
+
+    gen_pc_plus_diff(s, link, 4);
+    if (s->gcs_en) {
+        gen_add_gcs_record(s, link);
+    }
+    tcg_gen_mov_i64(cpu_reg(s, 30), link);
+
     reset_btype(s);
     gen_goto_tb(s, 0, a->imm);
     return true;
-- 
2.43.0