[PULL 08/39] target/arm: Use GetPhysAddrResult in get_phys_addr_pmsav7

[Peter Maydell]

From: Richard Henderson <richard.henderson@linaro.org>

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220822152741.1617527-8-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 target/arm/ptw.c | 36 +++++++++++++++++-------------------
 1 file changed, 17 insertions(+), 19 deletions(-)

diff --git a/target/arm/ptw.c b/target/arm/ptw.c
index 70abcce81f9..36b108907fc 100644
--- a/target/arm/ptw.c
+++ b/target/arm/ptw.c
@@ -1513,17 +1513,16 @@ static bool pmsav7_use_background_region(ARMCPU *cpu, 
ARMMMUIdx mmu_idx,
 
 static bool get_phys_addr_pmsav7(CPUARMState *env, uint32_t address,
                                  MMUAccessType access_type, ARMMMUIdx mmu_idx,
-                                 hwaddr *phys_ptr, int *prot,
-                                 target_ulong *page_size,
+                                 GetPhysAddrResult *result,
                                  ARMMMUFaultInfo *fi)
 {
     ARMCPU *cpu = env_archcpu(env);
     int n;
     bool is_user = regime_is_user(env, mmu_idx);
 
-    *phys_ptr = address;
-    *page_size = TARGET_PAGE_SIZE;
-    *prot = 0;
+    result->phys = address;
+    result->page_size = TARGET_PAGE_SIZE;
+    result->prot = 0;
 
     if (regime_translation_disabled(env, mmu_idx) ||
         m_is_ppb_region(env, address)) {
@@ -1535,7 +1534,7 @@ static bool get_phys_addr_pmsav7(CPUARMState *env, 
uint32_t address,
          * which always does a direct read using address_space_ldl(), rather
          * than going via this function, so we don't need to check that here.
          */
-        get_phys_addr_pmsav7_default(env, mmu_idx, address, prot);
+        get_phys_addr_pmsav7_default(env, mmu_idx, address, &result->prot);
     } else { /* MPU enabled */
         for (n = (int)cpu->pmsav7_dregion - 1; n >= 0; n--) {
             /* region search */
@@ -1577,7 +1576,7 @@ static bool get_phys_addr_pmsav7(CPUARMState *env, 
uint32_t address,
                 if (ranges_overlap(base, rmask,
                                    address & TARGET_PAGE_MASK,
                                    TARGET_PAGE_SIZE)) {
-                    *page_size = 1;
+                    result->page_size = 1;
                 }
                 continue;
             }
@@ -1615,7 +1614,7 @@ static bool get_phys_addr_pmsav7(CPUARMState *env, 
uint32_t address,
                 continue;
             }
             if (rsize < TARGET_PAGE_BITS) {
-                *page_size = 1 << rsize;
+                result->page_size = 1 << rsize;
             }
             break;
         }
@@ -1626,7 +1625,7 @@ static bool get_phys_addr_pmsav7(CPUARMState *env, 
uint32_t address,
                 fi->type = ARMFault_Background;
                 return true;
             }
-            get_phys_addr_pmsav7_default(env, mmu_idx, address, prot);
+            get_phys_addr_pmsav7_default(env, mmu_idx, address, &result->prot);
         } else { /* a MPU hit! */
             uint32_t ap = extract32(env->pmsav7.dracr[n], 8, 3);
             uint32_t xn = extract32(env->pmsav7.dracr[n], 12, 1);
@@ -1643,16 +1642,16 @@ static bool get_phys_addr_pmsav7(CPUARMState *env, 
uint32_t address,
                 case 5:
                     break; /* no access */
                 case 3:
-                    *prot |= PAGE_WRITE;
+                    result->prot |= PAGE_WRITE;
                     /* fall through */
                 case 2:
                 case 6:
-                    *prot |= PAGE_READ | PAGE_EXEC;
+                    result->prot |= PAGE_READ | PAGE_EXEC;
                     break;
                 case 7:
                     /* for v7M, same as 6; for R profile a reserved value */
                     if (arm_feature(env, ARM_FEATURE_M)) {
-                        *prot |= PAGE_READ | PAGE_EXEC;
+                        result->prot |= PAGE_READ | PAGE_EXEC;
                         break;
                     }
                     /* fall through */
@@ -1668,16 +1667,16 @@ static bool get_phys_addr_pmsav7(CPUARMState *env, 
uint32_t address,
                 case 1:
                 case 2:
                 case 3:
-                    *prot |= PAGE_WRITE;
+                    result->prot |= PAGE_WRITE;
                     /* fall through */
                 case 5:
                 case 6:
-                    *prot |= PAGE_READ | PAGE_EXEC;
+                    result->prot |= PAGE_READ | PAGE_EXEC;
                     break;
                 case 7:
                     /* for v7M, same as 6; for R profile a reserved value */
                     if (arm_feature(env, ARM_FEATURE_M)) {
-                        *prot |= PAGE_READ | PAGE_EXEC;
+                        result->prot |= PAGE_READ | PAGE_EXEC;
                         break;
                     }
                     /* fall through */
@@ -1690,14 +1689,14 @@ static bool get_phys_addr_pmsav7(CPUARMState *env, 
uint32_t address,
 
             /* execute never */
             if (xn) {
-                *prot &= ~PAGE_EXEC;
+                result->prot &= ~PAGE_EXEC;
             }
         }
     }
 
     fi->type = ARMFault_Permission;
     fi->level = 1;
-    return !(*prot & (1 << access_type));
+    return !(result->prot & (1 << access_type));
 }
 
 bool pmsav8_mpu_lookup(CPUARMState *env, uint32_t address,
@@ -2422,8 +2421,7 @@ bool get_phys_addr(CPUARMState *env, target_ulong address,
         } else if (arm_feature(env, ARM_FEATURE_V7)) {
             /* PMSAv7 */
             ret = get_phys_addr_pmsav7(env, address, access_type, mmu_idx,
-                                       &result->phys, &result->prot,
-                                       &result->page_size, fi);
+                                       result, fi);
         } else {
             /* Pre-v7 MPU */
             ret = get_phys_addr_pmsav5(env, address, access_type, mmu_idx,
-- 
2.25.1