diff options
| -rw-r--r-- | include/arch/aarch64/arch_helpers.h | 8 | ||||
| -rw-r--r-- | include/lib/el3_runtime/aarch64/context.h | 4 | ||||
| -rw-r--r-- | lib/el3_runtime/aarch64/context.S | 43 | ||||
| -rw-r--r-- | lib/el3_runtime/aarch64/context_mgmt.c | 37 |
4 files changed, 41 insertions, 51 deletions
diff --git a/include/arch/aarch64/arch_helpers.h b/include/arch/aarch64/arch_helpers.h index 5010ac5dd..86c1dbe27 100644 --- a/include/arch/aarch64/arch_helpers.h +++ b/include/arch/aarch64/arch_helpers.h @@ -565,6 +565,14 @@ DEFINE_RENAME_SYSREG_RW_FUNCS(gcr_el1, GCR_EL1) DEFINE_RENAME_SYSREG_READ_FUNC(rndr, RNDR) DEFINE_RENAME_SYSREG_READ_FUNC(rndrrs, RNDRRS) +/* Armv8.6 FEAT_FGT Registers */ +DEFINE_RENAME_SYSREG_RW_FUNCS(hdfgrtr_el2, HDFGRTR_EL2) +DEFINE_RENAME_SYSREG_RW_FUNCS(hafgrtr_el2, HAFGRTR_EL2) +DEFINE_RENAME_SYSREG_RW_FUNCS(hdfgwtr_el2, HDFGWTR_EL2) +DEFINE_RENAME_SYSREG_RW_FUNCS(hfgitr_el2, HFGITR_EL2) +DEFINE_RENAME_SYSREG_RW_FUNCS(hfgrtr_el2, HFGRTR_EL2) +DEFINE_RENAME_SYSREG_RW_FUNCS(hfgwtr_el2, HFGWTR_EL2) + /* FEAT_HCX Register */ DEFINE_RENAME_SYSREG_RW_FUNCS(hcrx_el2, HCRX_EL2) diff --git a/include/lib/el3_runtime/aarch64/context.h b/include/lib/el3_runtime/aarch64/context.h index 6c13166e3..27cf3b947 100644 --- a/include/lib/el3_runtime/aarch64/context.h +++ b/include/lib/el3_runtime/aarch64/context.h @@ -523,10 +523,6 @@ void el2_sysregs_context_restore_mte(el2_sysregs_t *regs); void el2_sysregs_context_save_mpam(el2_sysregs_t *regs); void el2_sysregs_context_restore_mpam(el2_sysregs_t *regs); #endif /* ENABLE_MPAM_FOR_LOWER_ELS */ -#if ENABLE_FEAT_FGT -void el2_sysregs_context_save_fgt(el2_sysregs_t *regs); -void el2_sysregs_context_restore_fgt(el2_sysregs_t *regs); -#endif /* ENABLE_FEAT_FGT */ #if ENABLE_FEAT_ECV void el2_sysregs_context_save_ecv(el2_sysregs_t *regs); void el2_sysregs_context_restore_ecv(el2_sysregs_t *regs); diff --git a/lib/el3_runtime/aarch64/context.S b/lib/el3_runtime/aarch64/context.S index 60501f615..e0efec2c9 100644 --- a/lib/el3_runtime/aarch64/context.S +++ b/lib/el3_runtime/aarch64/context.S @@ -25,10 +25,6 @@ .global el2_sysregs_context_save_mpam .global el2_sysregs_context_restore_mpam #endif /* ENABLE_MPAM_FOR_LOWER_ELS */ -#if ENABLE_FEAT_FGT - .global el2_sysregs_context_save_fgt - .global el2_sysregs_context_restore_fgt -#endif /* ENABLE_FEAT_FGT */ #if ENABLE_FEAT_ECV .global el2_sysregs_context_save_ecv .global el2_sysregs_context_restore_ecv @@ -314,45 +310,6 @@ func el2_sysregs_context_restore_mpam endfunc el2_sysregs_context_restore_mpam #endif /* ENABLE_MPAM_FOR_LOWER_ELS */ -#if ENABLE_FEAT_FGT -func el2_sysregs_context_save_fgt - mrs x13, HDFGRTR_EL2 -#if ENABLE_FEAT_AMUv1 - mrs x14, HAFGRTR_EL2 - stp x13, x14, [x0, #CTX_HDFGRTR_EL2] -#else - str x13, [x0, #CTX_HDFGRTR_EL2] -#endif /* ENABLE_FEAT_AMUv1 */ - mrs x15, HDFGWTR_EL2 - mrs x16, HFGITR_EL2 - stp x15, x16, [x0, #CTX_HDFGWTR_EL2] - - mrs x9, HFGRTR_EL2 - mrs x10, HFGWTR_EL2 - stp x9, x10, [x0, #CTX_HFGRTR_EL2] - ret -endfunc el2_sysregs_context_save_fgt - -func el2_sysregs_context_restore_fgt - #if ENABLE_FEAT_AMUv1 - ldp x13, x14, [x0, #CTX_HDFGRTR_EL2] - msr HAFGRTR_EL2, x14 -#else - ldr x13, [x0, #CTX_HDFGRTR_EL2] -#endif /* ENABLE_FEAT_AMUv1 */ - msr HDFGRTR_EL2, x13 - - ldp x15, x16, [x0, #CTX_HDFGWTR_EL2] - msr HDFGWTR_EL2, x15 - msr HFGITR_EL2, x16 - - ldp x9, x10, [x0, #CTX_HFGRTR_EL2] - msr HFGRTR_EL2, x9 - msr HFGWTR_EL2, x10 - ret -endfunc el2_sysregs_context_restore_fgt -#endif /* ENABLE_FEAT_FGT */ - #if ENABLE_FEAT_ECV func el2_sysregs_context_save_ecv mrs x11, CNTPOFF_EL2 diff --git a/lib/el3_runtime/aarch64/context_mgmt.c b/lib/el3_runtime/aarch64/context_mgmt.c index 93d817f20..46e191cc0 100644 --- a/lib/el3_runtime/aarch64/context_mgmt.c +++ b/lib/el3_runtime/aarch64/context_mgmt.c @@ -792,6 +792,35 @@ void cm_prepare_el3_exit(uint32_t security_state) } #if CTX_INCLUDE_EL2_REGS + +static void el2_sysregs_context_save_fgt(el2_sysregs_t *ctx) +{ + if (is_feat_fgt_supported()) { + write_ctx_reg(ctx, CTX_HDFGRTR_EL2, read_hdfgrtr_el2()); + if (is_feat_amu_supported()) { + write_ctx_reg(ctx, CTX_HAFGRTR_EL2, read_hafgrtr_el2()); + } + write_ctx_reg(ctx, CTX_HDFGWTR_EL2, read_hdfgwtr_el2()); + write_ctx_reg(ctx, CTX_HFGITR_EL2, read_hfgitr_el2()); + write_ctx_reg(ctx, CTX_HFGRTR_EL2, read_hfgrtr_el2()); + write_ctx_reg(ctx, CTX_HFGWTR_EL2, read_hfgwtr_el2()); + } +} + +static void el2_sysregs_context_restore_fgt(el2_sysregs_t *ctx) +{ + if (is_feat_fgt_supported()) { + write_hdfgrtr_el2(read_ctx_reg(ctx, CTX_HDFGRTR_EL2)); + if (is_feat_amu_supported()) { + write_hafgrtr_el2(read_ctx_reg(ctx, CTX_HAFGRTR_EL2)); + } + write_hdfgwtr_el2(read_ctx_reg(ctx, CTX_HDFGWTR_EL2)); + write_hfgitr_el2(read_ctx_reg(ctx, CTX_HFGITR_EL2)); + write_hfgrtr_el2(read_ctx_reg(ctx, CTX_HFGRTR_EL2)); + write_hfgwtr_el2(read_ctx_reg(ctx, CTX_HFGWTR_EL2)); + } +} + /******************************************************************************* * Save EL2 sysreg context ******************************************************************************/ @@ -823,9 +852,9 @@ void cm_el2_sysregs_context_save(uint32_t security_state) #if ENABLE_MPAM_FOR_LOWER_ELS el2_sysregs_context_save_mpam(el2_sysregs_ctx); #endif -#if ENABLE_FEAT_FGT + el2_sysregs_context_save_fgt(el2_sysregs_ctx); -#endif + #if ENABLE_FEAT_ECV el2_sysregs_context_save_ecv(el2_sysregs_ctx); #endif @@ -881,9 +910,9 @@ void cm_el2_sysregs_context_restore(uint32_t security_state) #if ENABLE_MPAM_FOR_LOWER_ELS el2_sysregs_context_restore_mpam(el2_sysregs_ctx); #endif -#if ENABLE_FEAT_FGT + el2_sysregs_context_restore_fgt(el2_sysregs_ctx); -#endif + #if ENABLE_FEAT_ECV el2_sysregs_context_restore_ecv(el2_sysregs_ctx); #endif |