refactor(cm): move EL3 registers to global context
Currently, EL3 context registers are duplicated per-world per-cpu.
Some registers have the same value across all CPUs, so this patch
moves these registers out into a per-world context to reduce
memory usage.
Change-Id: I91294e3d5f4af21a58c23599af2bdbd2a747c54a
Signed-off-by: Elizabeth Ho <elizabeth.ho@arm.com>
Signed-off-by: Jayanth Dodderi Chidanand <jayanthdodderi.chidanand@arm.com>
diff --git a/include/lib/el3_runtime/context_mgmt.h b/include/lib/el3_runtime/context_mgmt.h
index aa76f3b..b2bdaf5 100644
--- a/include/lib/el3_runtime/context_mgmt.h
+++ b/include/lib/el3_runtime/context_mgmt.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2013-2022, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2023, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -39,6 +39,7 @@
#ifdef __aarch64__
#if IMAGE_BL31
void cm_manage_extensions_el3(void);
+void manage_extensions_nonsecure_per_world(void);
#endif
#if CTX_INCLUDE_EL2_REGS
void cm_el2_sysregs_context_save(uint32_t security_state);
@@ -88,6 +89,7 @@
void *cm_get_next_context(void);
void cm_set_next_context(void *context);
static inline void cm_manage_extensions_el3(void) {}
+static inline void manage_extensions_nonsecure_per_world(void) {}
#endif /* __aarch64__ */
#endif /* CONTEXT_MGMT_H */