Re: [PATCH v2 09/16] arch/riscv: Set UBE bit on BE target

[Philippe Mathieu-Daudé]

On 25/2/26 11:20, Djordje Todorovic wrote:

When the RISC-V target is built as big-endian, ensure that is signaled
in mstatus via UBE bit.
---
  target/riscv/cpu.c | 3 +++
  1 file changed, 3 insertions(+)

diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index e95eea0249..0e24f2cbcd 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -716,6 +716,9 @@ static void riscv_cpu_reset_hold(Object *obj, ResetType 
type)
              env->mstatus = set_field(env->mstatus, MSTATUS_MDT, 1);
          }
      }
+#if defined(TARGET_BIG_ENDIAN)
+    env->mstatus |= MSTATUS_UBE;
+#endif

You should update mo_endian_env() instead IMO.