From: Alistair Francis <alistair.francis@wdc.com>
Date: Sat, 1 Feb 2020 01:02:59 +0000 (-0800)
Subject: target/riscv: Raise the new execptions when 2nd stage translation fails
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=b2ef6ab9fee6948cf016f9e741feecdfb333fcbe;p=qemu.git

target/riscv: Raise the new execptions when 2nd stage translation fails

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
---

diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c
index 584b0c71fb..9e28b19c29 100644
--- a/target/riscv/cpu_helper.c
+++ b/target/riscv/cpu_helper.c
@@ -587,16 +587,28 @@ 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();