diff mbox series

[v2,31/35] target/riscv: Raise the new execptions when 2nd stage translation fails

Message ID b13f9c636f3c9fde604a27140df328ee10305078.1580518859.git.alistair.francis@wdc.com (mailing list archive)
State New, archived
Headers show
Series Add RISC-V Hypervisor Extension v0.5 | expand

Commit Message

Alistair Francis Feb. 1, 2020, 1:02 a.m. UTC 
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
---
 target/riscv/cpu_helper.c | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c
index 5f96631637..da994aba57 100644
--- a/target/riscv/cpu_helper.c
+++ b/target/riscv/cpu_helper.c
@@ -585,16 +585,28 @@  static void raise_mmu_exception(CPURISCVState *env, target_ulong address,
     }
     switch (access_type) {
     case MMU_INST_FETCH:
-        cs->exception_index = page_fault_exceptions ?
-            RISCV_EXCP_INST_PAGE_FAULT : RISCV_EXCP_INST_ACCESS_FAULT;
+        if (riscv_cpu_virt_enabled(env) && !first_stage) {
+            cs->exception_index = RISCV_EXCP_INST_GUEST_PAGE_FAULT;
+        } else {
+            cs->exception_index = page_fault_exceptions ?
+                RISCV_EXCP_INST_PAGE_FAULT : RISCV_EXCP_INST_ACCESS_FAULT;
+        }
         break;
     case MMU_DATA_LOAD:
-        cs->exception_index = page_fault_exceptions ?
-            RISCV_EXCP_LOAD_PAGE_FAULT : RISCV_EXCP_LOAD_ACCESS_FAULT;
+        if (riscv_cpu_virt_enabled(env) && !first_stage) {
+            cs->exception_index = RISCV_EXCP_LOAD_GUEST_ACCESS_FAULT;
+        } else {
+            cs->exception_index = page_fault_exceptions ?
+                RISCV_EXCP_LOAD_PAGE_FAULT : RISCV_EXCP_LOAD_ACCESS_FAULT;
+        }
         break;
     case MMU_DATA_STORE:
-        cs->exception_index = page_fault_exceptions ?
-            RISCV_EXCP_STORE_PAGE_FAULT : RISCV_EXCP_STORE_AMO_ACCESS_FAULT;
+        if (riscv_cpu_virt_enabled(env) && !first_stage) {
+            cs->exception_index = RISCV_EXCP_STORE_GUEST_AMO_ACCESS_FAULT;
+        } else {
+            cs->exception_index = page_fault_exceptions ?
+                RISCV_EXCP_STORE_PAGE_FAULT : RISCV_EXCP_STORE_AMO_ACCESS_FAULT;
+        }
         break;
     default:
         g_assert_not_reached();