Re: [PATCH 3/4] target/arm: Take an exception if PC is misaligned

[Richard Henderson]

On 8/19/21 3:40 AM, Peter Maydell wrote:

      uint32_t insn;
      bool is_16bit;

-    if (arm_pre_translate_insn(dc)) {
+    if (arm_check_ss_active(dc) || arm_check_kernelpage(dc)) {

Is it not possible to get a misaligned PC in the Thumb case ?

No.  The thumb bit is always removed, leaving all pc aligned mod 2.
Both BXWritePC and BranchWritePC do this, as do we in gen_bx and store_reg.


r~