PSCI: Add deprecated API for SPD when compatibility is disabled
This patch defines deprecated platform APIs to enable Trusted
Firmware components like Secure Payload and their dispatchers(SPD)
to continue to build and run when platform compatibility is disabled.
This decouples the migration of platform ports to the new platform API
from SPD and enables them to be migrated independently. The deprecated
platform APIs defined in this patch are : platform_get_core_pos(),
platform_get_stack() and platform_set_stack().
The patch also deprecates MPIDR based context management helpers like
cm_get_context_by_mpidr(), cm_set_context_by_mpidr() and cm_init_context().
A mechanism to deprecate APIs and identify callers of these APIs during
build is introduced, which is controlled by the build flag WARN_DEPRECATED.
If WARN_DEPRECATED is defined to 1, the users of the deprecated APIs will be
flagged either as a link error for assembly files or compile time warning
for C files during build.
Change-Id: Ib72c7d5dc956e1a74d2294a939205b200f055613
diff --git a/plat/common/aarch64/platform_up_stack.S b/plat/common/aarch64/platform_up_stack.S
index d6d6c6e..c01534a 100644
--- a/plat/common/aarch64/platform_up_stack.S
+++ b/plat/common/aarch64/platform_up_stack.S
@@ -41,7 +41,6 @@
/* -----------------------------------------------------
* unsigned long plat_get_my_stack ()
- * unsigned long platform_get_stack (unsigned long)
*
* For cold-boot BL images, only the primary CPU needs a
* stack. This function returns the stack pointer for a
@@ -49,14 +48,12 @@
* -----------------------------------------------------
*/
func plat_get_my_stack
-platform_get_stack:
get_up_stack platform_normal_stacks, PLATFORM_STACK_SIZE
ret
endfunc plat_get_my_stack
/* -----------------------------------------------------
* void plat_set_my_stack ()
- * void platform_set_stack (unsigned long)
*
* For cold-boot BL images, only the primary CPU needs a
* stack. This function sets the stack pointer to a stack
@@ -64,13 +61,38 @@
* -----------------------------------------------------
*/
func plat_set_my_stack
-platform_set_stack:
get_up_stack platform_normal_stacks, PLATFORM_STACK_SIZE
mov sp, x0
ret
endfunc plat_set_my_stack
/* -----------------------------------------------------
+ * unsigned long platform_get_stack ()
+ *
+ * For cold-boot BL images, only the primary CPU needs a
+ * stack. This function returns the stack pointer for a
+ * stack allocated in device memory. This function
+ * is deprecated.
+ * -----------------------------------------------------
+ */
+func_deprecated platform_get_stack
+ b plat_get_my_stack
+endfunc_deprecated platform_get_stack
+
+ /* -----------------------------------------------------
+ * void platform_set_stack ()
+ *
+ * For cold-boot BL images, only the primary CPU needs a
+ * stack. This function sets the stack pointer to a stack
+ * allocated in normal memory.This function is
+ * deprecated.
+ * -----------------------------------------------------
+ */
+func_deprecated platform_set_stack
+ b plat_set_my_stack
+endfunc_deprecated platform_set_stack
+
+ /* -----------------------------------------------------
* Single cpu stack in normal memory.
* Used for C code during boot, PLATFORM_STACK_SIZE bytes
* are allocated