arm-trusted-firmware/include/lib/extensions/sve.h
Elizabeth Ho 461c0a5d92 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>
2023-10-31 11:18:42 +00:00

28 lines
677 B
C

/*
* Copyright (c) 2017-2023, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef SVE_H
#define SVE_H
#include <context.h>
#if (ENABLE_SME_FOR_NS || ENABLE_SVE_FOR_NS)
void sve_init_el2_unused(void);
void sve_enable_per_world(per_world_context_t *per_world_ctx);
void sve_disable_per_world(per_world_context_t *per_world_ctx);
#else
static inline void sve_init_el2_unused(void)
{
}
static inline void sve_enable_per_world(per_world_context_t *per_world_ctx)
{
}
static inline void sve_disable_per_world(per_world_context_t *per_world_ctx)
{
}
#endif /* ( ENABLE_SME_FOR_NS | ENABLE_SVE_FOR_NS ) */
#endif /* SVE_H */