Need zero extend for sspopchk compared vale

* when xlen is 32
2 years ago · 060bbd6308
1 changed files with 1 additions and 1 deletions
--- a/riscv/zicfiss.h
+++ b/riscv/zicfiss.h
@ -25,7 +25,7 @@
    shadow_return_addr = MMU.ss_load<uint32_t>(STATE.ssp->read()); \
  else \
    shadow_return_addr = MMU.ss_load<uint64_t>(STATE.ssp->read()); \
-  software_check(value == shadow_return_addr, SHADOW_STACK_FAULT); \
+  software_check(zext_xlen(value) == shadow_return_addr, SHADOW_STACK_FAULT); \
  STATE.ssp->write(STATE.ssp->read() + xlen / 8);

 #endif