Merge pull request riscv-non-isa#290 from ved-rivos/issue_289

Fix issue 289
ved-rivos · Apr 12, 2024 · 9fdfa0a · 9fdfa0a
2 parents a9a6967 + 033e98e
commit 9fdfa0a
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/iommu_ref_model/libiommu/src/iommu_translate.c b/iommu_ref_model/libiommu/src/iommu_translate.c
@@ -557,7 +557,7 @@ iommu_translate_iova(
     // * Write/AMO guest-page fault (cause = 23)
     // * PDT entry not valid (cause = 266)
     // * MSI PTE not valid (cause = 262)
-    if ( (cause = 12) || (cause == 13) || (cause == 15) || (cause == 20) || (cause == 21) ||
+    if ( (cause == 12) || (cause == 13) || (cause == 15) || (cause == 20) || (cause == 21) ||
          (cause == 23) || (cause == 266) || (cause == 262) ) {
         // Return response with R=W=0. The rest of the field are undefined. The reference
         // model sets them to 0.
@@ -566,6 +566,4 @@ iommu_translate_iova(
         page_sz = PAGESIZE;
         goto step_20;
     }
-    *((char *)0) = 0; // unexpected cause
-    return;
 }