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SPMD: save/restore EL2 system registers.

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NOTE: Not all EL-2 system registers are saved/restored.
This subset includes registers recognized by ARMv8.0

Change-Id: I9993c7d78d8f5f8e72d1c6c8d6fd871283aa3ce0
Signed-off-by: Jose Marinho <jose.marinho@arm.com>
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
Signed-off-by: Artsem Artsemenka <artsem.artsemenka@arm.com>
Signed-off-by: Max Shvetsov <maksims.svecovs@arm.com>
This commit is contained in:
Max Shvetsov 2020-02-25 13:56:19 +00:00
parent 2403813779
commit 28f39f02ad
8 changed files with 608 additions and 36 deletions
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5
include/lib/el3_runtime/context_mgmt.h
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@ -36,6 +36,11 @@ void cm_setup_context(cpu_context_t *ctx, const entry_point_info_t *ep);
void cm_prepare_el3_exit(uint32_t security_state);
#ifdef __aarch64__
#if CTX_INCLUDE_EL2_REGS
void cm_el2_sysregs_context_save(uint32_t security_state);
void cm_el2_sysregs_context_restore(uint32_t security_state);
#endif
void cm_el1_sysregs_context_save(uint32_t security_state);
void cm_el1_sysregs_context_restore(uint32_t security_state);
void cm_set_elr_el3(uint32_t security_state, uintptr_t entrypoint);