[Qemu-devel] [PATCH v3 21/27] target/arm: Declare some M-profile functions publicly

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

In the next commit we will split the M-profile functions from this
file. Some function will be called out of helper.c. Declare them in
the "internals.h" header.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
v3: Was v7-only, add v8
---
 target/arm/helper.c    | 38 ++------------------------------------
 target/arm/internals.h | 42 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 44 insertions(+), 36 deletions(-)

diff --git a/target/arm/helper.c b/target/arm/helper.c
index 515a82af57..4e59ae4d96 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -41,21 +41,6 @@ static bool get_phys_addr_lpae(CPUARMState *env, target_ulong address,
                                hwaddr *phys_ptr, MemTxAttrs *txattrs, int *prot,
                                target_ulong *page_size_ptr,
                                ARMMMUFaultInfo *fi, ARMCacheAttrs *cacheattrs);
-
-/* Security attributes for an address, as returned by v8m_security_lookup. */
-typedef struct V8M_SAttributes {
-    bool subpage; /* true if these attrs don't cover the whole TARGET_PAGE */
-    bool ns;
-    bool nsc;
-    uint8_t sregion;
-    bool srvalid;
-    uint8_t iregion;
-    bool irvalid;
-} V8M_SAttributes;
-
-static void v8m_security_lookup(CPUARMState *env, uint32_t address,
-                                MMUAccessType access_type, ARMMMUIdx mmu_idx,
-                                V8M_SAttributes *sattrs);
 #endif
 
 static void switch_mode(CPUARMState *env, int mode);
@@ -7735,25 +7720,6 @@ void arm_log_exception(int idx)
     }
 }
 
-/*
- * Return true if the v7M CPACR permits access to the FPU for the specified
- * security state and privilege level.
- */
-static bool v7m_cpacr_pass(CPUARMState *env, bool is_secure, bool is_priv)
-{
-    switch (extract32(env->v7m.cpacr[is_secure], 20, 2)) {
-    case 0:
-    case 2: /* UNPREDICTABLE: we treat like 0 */
-        return false;
-    case 1:
-        return is_priv;
-    case 3:
-        return true;
-    default:
-        g_assert_not_reached();
-    }
-}
-
 /*
  * What kind of stack write are we doing? This affects how exceptions
  * generated during the stacking are treated.
@@ -12119,7 +12085,7 @@ static bool v8m_is_sau_exempt(CPUARMState *env,
         (address >= 0xe00ff000 && address <= 0xe00fffff);
 }
 
-static void v8m_security_lookup(CPUARMState *env, uint32_t address,
+void v8m_security_lookup(CPUARMState *env, uint32_t address,
                                 MMUAccessType access_type, ARMMMUIdx mmu_idx,
                                 V8M_SAttributes *sattrs)
 {
@@ -12226,7 +12192,7 @@ static void v8m_security_lookup(CPUARMState *env, uint32_t address,
     }
 }
 
-static bool pmsav8_mpu_lookup(CPUARMState *env, uint32_t address,
+bool pmsav8_mpu_lookup(CPUARMState *env, uint32_t address,
                               MMUAccessType access_type, ARMMMUIdx mmu_idx,
                               hwaddr *phys_ptr, MemTxAttrs *txattrs,
                               int *prot, bool *is_subpage,
diff --git a/target/arm/internals.h b/target/arm/internals.h
index 11bfdba512..232d963875 100644
--- a/target/arm/internals.h
+++ b/target/arm/internals.h
@@ -892,6 +892,27 @@ static inline uint32_t v7m_sp_limit(CPUARMState *env)
     }
 }
 
+/**
+ * v7m_cpacr_pass:
+ * Return true if the v7M CPACR permits access to the FPU for the specified
+ * security state and privilege level.
+ */
+static inline bool v7m_cpacr_pass(CPUARMState *env,
+                                  bool is_secure, bool is_priv)
+{
+    switch (extract32(env->v7m.cpacr[is_secure], 20, 2)) {
+    case 0:
+    case 2: /* UNPREDICTABLE: we treat like 0 */
+        return false;
+    case 1:
+        return is_priv;
+    case 3:
+        return true;
+    default:
+        g_assert_not_reached();
+    }
+}
+
 /**
  * aarch32_mode_name(): Return name of the AArch32 CPU mode
  * @psr: Program Status Register indicating CPU mode
@@ -988,6 +1009,27 @@ static inline int exception_target_el(CPUARMState *env)
 
 #ifndef CONFIG_USER_ONLY
 
+/* Security attributes for an address, as returned by v8m_security_lookup. */
+typedef struct V8M_SAttributes {
+    bool subpage; /* true if these attrs don't cover the whole TARGET_PAGE */
+    bool ns;
+    bool nsc;
+    uint8_t sregion;
+    bool srvalid;
+    uint8_t iregion;
+    bool irvalid;
+} V8M_SAttributes;
+
+void v8m_security_lookup(CPUARMState *env, uint32_t address,
+                         MMUAccessType access_type, ARMMMUIdx mmu_idx,
+                         V8M_SAttributes *sattrs);
+
+bool pmsav8_mpu_lookup(CPUARMState *env, uint32_t address,
+                       MMUAccessType access_type, ARMMMUIdx mmu_idx,
+                       hwaddr *phys_ptr, MemTxAttrs *txattrs,
+                       int *prot, bool *is_subpage,
+                       ARMMMUFaultInfo *fi, uint32_t *mregion);
+
 /* Cacheability and shareability attributes for a memory access */
 typedef struct ARMCacheAttrs {
     unsigned int attrs:8; /* as in the MAIR register encoding */
-- 
2.20.1