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[PATCH 2/3] target/riscv: add log of PMP permission checking


From: Jim Shu
Subject: [PATCH 2/3] target/riscv: add log of PMP permission checking
Date: Sun, 21 Feb 2021 21:32:49 +0800

Like MMU translation, add qemu log of PMP permission checking for
debugging.

Signed-off-by: Jim Shu <cwshu@andestech.com>
---
 target/riscv/cpu_helper.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c
index f6ac63bf0e..c1ecb8a710 100644
--- a/target/riscv/cpu_helper.c
+++ b/target/riscv/cpu_helper.c
@@ -794,6 +794,12 @@ bool riscv_cpu_tlb_fill(CPUState *cs, vaddr address, int 
size,
             if (ret == TRANSLATE_SUCCESS) {
                 ret = get_physical_address_pmp(env, &prot_pmp, &tlb_size, pa,
                                                size, access_type, mode);
+
+                qemu_log_mask(CPU_LOG_MMU,
+                              "%s PMP address=" TARGET_FMT_plx " ret %d prot"
+                              " %d tlb_size " TARGET_FMT_lu "\n",
+                              __func__, pa, ret, prot_pmp, tlb_size);
+
                 prot &= prot_pmp;
             }
 
@@ -821,6 +827,12 @@ bool riscv_cpu_tlb_fill(CPUState *cs, vaddr address, int 
size,
         if (ret == TRANSLATE_SUCCESS) {
             ret = get_physical_address_pmp(env, &prot_pmp, &tlb_size, pa,
                                            size, access_type, mode);
+
+            qemu_log_mask(CPU_LOG_MMU,
+                          "%s PMP address=" TARGET_FMT_plx " ret %d prot"
+                          " %d tlb_size " TARGET_FMT_lu "\n",
+                          __func__, pa, ret, prot_pmp, tlb_size);
+
             prot &= prot_pmp;
         }
     }
-- 
2.30.1




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