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| author | Andre Przywara <andre.przywara@arm.com> | 2022-11-17 17:30:43 +0000 |
|---|---|---|
| committer | Andre Przywara <andre.przywara@arm.com> | 2023-03-22 13:33:22 +0000 |
| commit | b8f03d29e172af7bd576eafbce9d485a9f626e2e (patch) | |
| tree | b40c972d2a8c0a188db3528ccbe73f8e73fbe230 /include/lib | |
| parent | 4f5ef849c184313a2ba124ff0dd0b1545ddee217 (diff) | |
| download | arm-trusted-firmware-b8f03d29e172af7bd576eafbce9d485a9f626e2e.tar.gz | |
refactor(cpufeat): enable FEAT_ECV for FEAT_STATE_CHECKED
At the moment we only support FEAT_ECV to be either unconditionally
compiled in, or to be not supported at all.
Add support for runtime detection (ENABLE_FEAT_ECV=2), by splitting
is_feat_ecv_present() into an ID register reading function and a second
function to report the support status. That function considers both
build time settings and runtime information (if needed), and is used
before we access the CNTPOFF_EL2 system register.
Also move the context saving code from assembly to C, and use the new
is_feat_ecv_supported() function to guard its execution.
Change the FVP platform default to the now supported dynamic option (=2),
so the right decision can be made by the code at runtime.
Change-Id: I4acd5384929f1902b62a87ae073aafa1472cd66b
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Diffstat (limited to 'include/lib')
| -rw-r--r-- | include/lib/el3_runtime/aarch64/context.h | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/include/lib/el3_runtime/aarch64/context.h b/include/lib/el3_runtime/aarch64/context.h index 9b50f3319..7d7fb5272 100644 --- a/include/lib/el3_runtime/aarch64/context.h +++ b/include/lib/el3_runtime/aarch64/context.h @@ -517,10 +517,6 @@ void el2_sysregs_context_restore_common(el2_sysregs_t *regs); void el2_sysregs_context_save_mte(el2_sysregs_t *regs); void el2_sysregs_context_restore_mte(el2_sysregs_t *regs); #endif /* CTX_INCLUDE_MTE_REGS */ -#if ENABLE_FEAT_ECV -void el2_sysregs_context_save_ecv(el2_sysregs_t *regs); -void el2_sysregs_context_restore_ecv(el2_sysregs_t *regs); -#endif /* ENABLE_FEAT_ECV */ #if RAS_EXTENSION void el2_sysregs_context_save_ras(el2_sysregs_t *regs); void el2_sysregs_context_restore_ras(el2_sysregs_t *regs); |