xlat v2: Cleanup get/change mem attr helpers
Changed the names for consistency with the rest of the library. Introduced
new helpers that manipulate the active translation tables context.
Change-Id: Icaca56b67fcf6a96e88aa3c7e47411162e8e6856
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
diff --git a/include/lib/xlat_tables/xlat_tables_v2.h b/include/lib/xlat_tables/xlat_tables_v2.h
index fd61fc4..022acce 100644
--- a/include/lib/xlat_tables/xlat_tables_v2.h
+++ b/include/lib/xlat_tables/xlat_tables_v2.h
@@ -296,14 +296,15 @@
* translation tables are not modified by any other code while this function is
* executing.
*/
-int change_mem_attributes(const xlat_ctx_t *ctx, uintptr_t base_va, size_t size,
- uint32_t attr);
+int xlat_change_mem_attributes_ctx(const xlat_ctx_t *ctx, uintptr_t base_va,
+ size_t size, uint32_t attr);
+int xlat_change_mem_attributes(uintptr_t base_va, size_t size, uint32_t attr);
/*
* Query the memory attributes of a memory page in a set of translation tables.
*
* Return 0 on success, a negative error code on error.
- * On success, the attributes are stored into *attributes.
+ * On success, the attributes are stored into *attr.
*
* ctx
* Translation context to work on.
@@ -311,11 +312,12 @@
* Virtual address of the page to get the attributes of.
* There are no alignment restrictions on this address. The attributes of the
* memory page it lies within are returned.
- * attributes
+ * attr
* Output parameter where to store the attributes of the targeted memory page.
*/
-int get_mem_attributes(const xlat_ctx_t *ctx, uintptr_t base_va,
- uint32_t *attributes);
+int xlat_get_mem_attributes_ctx(const xlat_ctx_t *ctx, uintptr_t base_va,
+ uint32_t *attr);
+int xlat_get_mem_attributes(uintptr_t base_va, uint32_t *attr);
#endif /*__ASSEMBLY__*/
#endif /* XLAT_TABLES_V2_H */
diff --git a/lib/xlat_tables_v2/xlat_tables_context.c b/lib/xlat_tables_v2/xlat_tables_context.c
index d7b2ebf..143f08a 100644
--- a/lib/xlat_tables_v2/xlat_tables_context.c
+++ b/lib/xlat_tables_v2/xlat_tables_context.c
@@ -90,6 +90,16 @@
init_xlat_tables_ctx(&tf_xlat_ctx);
}
+int xlat_get_mem_attributes(uintptr_t base_va, uint32_t *attr)
+{
+ return xlat_get_mem_attributes_ctx(&tf_xlat_ctx, base_va, attr);
+}
+
+int xlat_change_mem_attributes(uintptr_t base_va, size_t size, uint32_t attr)
+{
+ return xlat_change_mem_attributes_ctx(&tf_xlat_ctx, base_va, size, attr);
+}
+
/*
* If dynamic allocation of new regions is disabled then by the time we call the
* function enabling the MMU, we'll have registered all the memory regions to
diff --git a/lib/xlat_tables_v2/xlat_tables_utils.c b/lib/xlat_tables_v2/xlat_tables_utils.c
index 0cbd45e..978a506 100644
--- a/lib/xlat_tables_v2/xlat_tables_utils.c
+++ b/lib/xlat_tables_v2/xlat_tables_utils.c
@@ -314,8 +314,8 @@
}
-static int get_mem_attributes_internal(const xlat_ctx_t *ctx, uintptr_t base_va,
- uint32_t *attributes, uint64_t **table_entry,
+static int xlat_get_mem_attributes_internal(const xlat_ctx_t *ctx,
+ uintptr_t base_va, uint32_t *attributes, uint64_t **table_entry,
unsigned long long *addr_pa, unsigned int *table_level)
{
uint64_t *entry;
@@ -407,18 +407,16 @@
}
-int get_mem_attributes(const xlat_ctx_t *ctx, uintptr_t base_va,
- uint32_t *attributes)
+int xlat_get_mem_attributes_ctx(const xlat_ctx_t *ctx, uintptr_t base_va,
+ uint32_t *attr)
{
- return get_mem_attributes_internal(ctx, base_va, attributes,
- NULL, NULL, NULL);
+ return xlat_get_mem_attributes_internal(ctx, base_va, attr,
+ NULL, NULL, NULL);
}
-int change_mem_attributes(const xlat_ctx_t *ctx,
- uintptr_t base_va,
- size_t size,
- uint32_t attr)
+int xlat_change_mem_attributes_ctx(const xlat_ctx_t *ctx, uintptr_t base_va,
+ size_t size, uint32_t attr)
{
/* Note: This implementation isn't optimized. */
@@ -517,7 +515,7 @@
unsigned int level = 0U;
unsigned long long addr_pa = 0ULL;
- (void) get_mem_attributes_internal(ctx, base_va, &old_attr,
+ (void) xlat_get_mem_attributes_internal(ctx, base_va, &old_attr,
&entry, &addr_pa, &level);
/*
diff --git a/services/std_svc/spm/sp_xlat.c b/services/std_svc/spm/sp_xlat.c
index 2aa2fa1..3527138 100644
--- a/services/std_svc/spm/sp_xlat.c
+++ b/services/std_svc/spm/sp_xlat.c
@@ -44,7 +44,7 @@
* converts an attributes value from the SMC format to the mmap_attr_t format by
* setting MT_RW/MT_RO, MT_USER/MT_PRIVILEGED and MT_EXECUTE/MT_EXECUTE_NEVER.
* The other fields are left as 0 because they are ignored by the function
- * change_mem_attributes().
+ * xlat_change_mem_attributes_ctx().
*/
static unsigned int smc_attr_to_mmap_attr(unsigned int attributes)
{
@@ -112,12 +112,12 @@
spin_lock(&mem_attr_smc_lock);
- int rc = get_mem_attributes(sp_ctx->xlat_ctx_handle,
+ int rc = xlat_get_mem_attributes_ctx(sp_ctx->xlat_ctx_handle,
base_va, &attributes);
spin_unlock(&mem_attr_smc_lock);
- /* Convert error codes of get_mem_attributes() into SPM ones. */
+ /* Convert error codes of xlat_get_mem_attributes_ctx() into SPM. */
assert((rc == 0) || (rc == -EINVAL));
if (rc == 0) {
@@ -142,13 +142,13 @@
spin_lock(&mem_attr_smc_lock);
- int ret = change_mem_attributes(sp_ctx->xlat_ctx_handle,
+ int ret = xlat_change_mem_attributes_ctx(sp_ctx->xlat_ctx_handle,
base_va, size,
smc_attr_to_mmap_attr(attributes));
spin_unlock(&mem_attr_smc_lock);
- /* Convert error codes of change_mem_attributes() into SPM ones. */
+ /* Convert error codes of xlat_change_mem_attributes_ctx() into SPM. */
assert((ret == 0) || (ret == -EINVAL));
return (ret == 0) ? SPM_SUCCESS : SPM_INVALID_PARAMETER;