ENABLE_FEAT_RNG_TRAP \
ENABLE_FEAT_SEL2 \
ENABLE_FEAT_TCR2 \
+ ENABLE_FEAT_S2PIE \
+ ENABLE_FEAT_S1PIE \
+ ENABLE_FEAT_S2POE \
+ ENABLE_FEAT_S1POE \
ENABLE_FEAT_VHE \
ENABLE_MPAM_FOR_LOWER_ELS \
ENABLE_RME \
ENABLE_FEAT_CSV2_2 \
ENABLE_FEAT_PAN \
ENABLE_FEAT_TCR2 \
+ ENABLE_FEAT_S2PIE \
+ ENABLE_FEAT_S1PIE \
+ ENABLE_FEAT_S2POE \
+ ENABLE_FEAT_S1POE \
FEATURE_DETECTION \
TWED_DELAY \
ENABLE_FEAT_TWED \
/* v8.9 features */
check_feature(ENABLE_FEAT_TCR2, read_feat_tcrx_id_field(),
"TCR2", 1, 1);
+ check_feature(ENABLE_FEAT_S2PIE, read_feat_s2pie_id_field(),
+ "S2PIE", 1, 1);
+ check_feature(ENABLE_FEAT_S1PIE, read_feat_s1pie_id_field(),
+ "S1PIE", 1, 1);
+ check_feature(ENABLE_FEAT_S2POE, read_feat_s2poe_id_field(),
+ "S2POE", 1, 1);
+ check_feature(ENABLE_FEAT_S1POE, read_feat_s1poe_id_field(),
+ "S1POE", 1, 1);
/* v9.0 features */
check_feature(ENABLE_BRBE_FOR_NS, read_feat_brbe_id_field(),
flag can take the values 0 to 2, to align with the ``FEATURE_DETECTION``
mechanism. Default value is ``0``.
+- ``ENABLE_FEAT_S2PIE``: Numeric value to enable support for FEAT_S2PIE
+ at EL2 and below, and context switch relevant registers. This flag
+ can take the values 0 to 2, to align with the ``FEATURE_DETECTION``
+ mechanism. Default value is ``0``.
+
+- ``ENABLE_FEAT_S1PIE``: Numeric value to enable support for FEAT_S1PIE
+ at EL2 and below, and context switch relevant registers. This flag
+ can take the values 0 to 2, to align with the ``FEATURE_DETECTION``
+ mechanism. Default value is ``0``.
+
+- ``ENABLE_FEAT_S2POE``: Numeric value to enable support for FEAT_S2POE
+ at EL2 and below, and context switch relevant registers. This flag
+ can take the values 0 to 2, to align with the ``FEATURE_DETECTION``
+ mechanism. Default value is ``0``.
+
+- ``ENABLE_FEAT_S1POE``: Numeric value to enable support for FEAT_S1POE
+ at EL2 and below, and context switch relevant registers. This flag
+ can take the values 0 to 2, to align with the ``FEATURE_DETECTION``
+ mechanism. Default value is ``0``.
+
- ``ENABLE_LTO``: Boolean option to enable Link Time Optimization (LTO)
support in GCC for TF-A. This option is currently only supported for
AArch64. Default is 0.
/* ID_AA64MMFR3_EL1 definitions */
#define ID_AA64MMFR3_EL1 S3_0_C0_C7_3
+#define ID_AA64MMFR3_EL1_S2POE_SHIFT U(20)
+#define ID_AA64MMFR3_EL1_S2POE_MASK ULL(0xf)
+
+#define ID_AA64MMFR3_EL1_S1POE_SHIFT U(16)
+#define ID_AA64MMFR3_EL1_S1POE_MASK ULL(0xf)
+
+#define ID_AA64MMFR3_EL1_S2PIE_SHIFT U(12)
+#define ID_AA64MMFR3_EL1_S2PIE_MASK ULL(0xf)
+
+#define ID_AA64MMFR3_EL1_S1PIE_SHIFT U(8)
+#define ID_AA64MMFR3_EL1_S1PIE_MASK ULL(0xf)
+
#define ID_AA64MMFR3_EL1_TCRX_SHIFT U(0)
#define ID_AA64MMFR3_EL1_TCRX_MASK ULL(0xf)
#define SCR_GPF_BIT (UL(1) << 48)
#define SCR_TWEDEL_SHIFT U(30)
#define SCR_TWEDEL_MASK ULL(0xf)
+#define SCR_PIEN_BIT (UL(1) << 45)
#define SCR_TCR2EN_BIT (UL(1) << 43)
#define SCR_TRNDR_BIT (UL(1) << 40)
#define SCR_HXEn_BIT (UL(1) << 38)
******************************************************************************/
#define TCR2_EL2 S3_4_C2_C0_3
+/*******************************************************************************
+ * Permission indirection and overlay
+ ******************************************************************************/
+
+#define PIRE0_EL2 S3_4_C10_C2_2
+#define PIR_EL2 S3_4_C10_C2_3
+#define POR_EL2 S3_4_C10_C2_4
+#define S2PIR_EL2 S3_4_C10_C2_5
+
/*******************************************************************************
* Definitions for DynamicIQ Shared Unit registers
******************************************************************************/
return read_feat_tcrx_id_field() != 0U;
}
+static unsigned int read_feat_s2poe_id_field(void)
+{
+ return ISOLATE_FIELD(read_id_aa64mmfr3_el1(), ID_AA64MMFR3_EL1_S2POE);
+}
+
+static inline bool is_feat_s2poe_supported(void)
+{
+ if (ENABLE_FEAT_S2POE == FEAT_STATE_DISABLED) {
+ return false;
+ }
+
+ if (ENABLE_FEAT_S2POE == FEAT_STATE_ALWAYS) {
+ return true;
+ }
+
+ return read_feat_s2poe_id_field() != 0U;
+}
+
+static unsigned int read_feat_s1poe_id_field(void)
+{
+ return ISOLATE_FIELD(read_id_aa64mmfr3_el1(), ID_AA64MMFR3_EL1_S1POE);
+}
+
+static inline bool is_feat_s1poe_supported(void)
+{
+ if (ENABLE_FEAT_S1POE == FEAT_STATE_DISABLED) {
+ return false;
+ }
+
+ if (ENABLE_FEAT_S1POE == FEAT_STATE_ALWAYS) {
+ return true;
+ }
+
+ return read_feat_s1poe_id_field() != 0U;
+}
+
+static inline bool is_feat_sxpoe_supported(void)
+{
+ return is_feat_s1poe_supported() || is_feat_s2poe_supported();
+}
+
+static unsigned int read_feat_s2pie_id_field(void)
+{
+ return ISOLATE_FIELD(read_id_aa64mmfr3_el1(), ID_AA64MMFR3_EL1_S2PIE);
+}
+
+static inline bool is_feat_s2pie_supported(void)
+{
+ if (ENABLE_FEAT_S2PIE == FEAT_STATE_DISABLED) {
+ return false;
+ }
+
+ if (ENABLE_FEAT_S2PIE == FEAT_STATE_ALWAYS) {
+ return true;
+ }
+
+ return read_feat_s2pie_id_field() != 0U;
+}
+
+static unsigned int read_feat_s1pie_id_field(void)
+{
+ return ISOLATE_FIELD(read_id_aa64mmfr3_el1(), ID_AA64MMFR3_EL1_S1PIE);
+}
+
+static inline bool is_feat_s1pie_supported(void)
+{
+ if (ENABLE_FEAT_S1PIE == FEAT_STATE_DISABLED) {
+ return false;
+ }
+
+ if (ENABLE_FEAT_S1PIE == FEAT_STATE_ALWAYS) {
+ return true;
+ }
+
+ return read_feat_s1pie_id_field() != 0U;
+}
+
+static inline bool is_feat_sxpie_supported(void)
+{
+ return is_feat_s1pie_supported() || is_feat_s2pie_supported();
+}
+
/*******************************************************************************
* Functions to identify the presence of the Activity Monitors Extension
******************************************************************************/
/* FEAT_TCR2 Register */
DEFINE_RENAME_SYSREG_RW_FUNCS(tcr2_el2, TCR2_EL2)
+/* FEAT_SxPIE Registers */
+DEFINE_RENAME_SYSREG_RW_FUNCS(pire0_el2, PIRE0_EL2)
+DEFINE_RENAME_SYSREG_RW_FUNCS(pir_el2, PIR_EL2)
+DEFINE_RENAME_SYSREG_RW_FUNCS(s2pir_el2, S2PIR_EL2)
+
+/* FEAT_SxPOE Registers */
+DEFINE_RENAME_SYSREG_RW_FUNCS(por_el2, POR_EL2)
+
/* DynamIQ Shared Unit power management */
DEFINE_RENAME_SYSREG_RW_FUNCS(clusterpwrdn_el1, CLUSTERPWRDN_EL1)
// Starting with Armv8.9
#define CTX_TCR2_EL2 U(0x1d8)
+#define CTX_POR_EL2 U(0x1e0)
+#define CTX_PIRE0_EL2 U(0x1e8)
+#define CTX_PIR_EL2 U(0x1f0)
+#define CTX_S2PIR_EL2 U(0x1f8)
/* Align to the next 16 byte boundary */
-#define CTX_EL2_SYSREGS_END U(0x1e0)
+#define CTX_EL2_SYSREGS_END U(0x200)
#endif /* CTX_INCLUDE_EL2_REGS */
scr_el3 |= SCR_TCR2EN_BIT;
}
+ /*
+ * SCR_EL3.PIEN: Enable permission indirection and overlay
+ * registers for AArch64 if present.
+ */
+ if (is_feat_sxpie_supported() || is_feat_sxpoe_supported()) {
+ scr_el3 |= SCR_PIEN_BIT;
+ }
+
/*
* CPTR_EL3 was initialized out of reset, copy that value to the
* context register.
if (is_feat_tcr2_supported()) {
write_ctx_reg(el2_sysregs_ctx, CTX_TCR2_EL2, read_tcr2_el2());
}
+ if (is_feat_sxpie_supported()) {
+ write_ctx_reg(el2_sysregs_ctx, CTX_PIRE0_EL2, read_pire0_el2());
+ write_ctx_reg(el2_sysregs_ctx, CTX_PIR_EL2, read_pir_el2());
+ }
+ if (is_feat_s2pie_supported()) {
+ write_ctx_reg(el2_sysregs_ctx, CTX_S2PIR_EL2, read_s2pir_el2());
+ }
+ if (is_feat_sxpoe_supported()) {
+ write_ctx_reg(el2_sysregs_ctx, CTX_POR_EL2, read_por_el2());
+ }
}
}
if (is_feat_tcr2_supported()) {
write_tcr2_el2(read_ctx_reg(el2_sysregs_ctx, CTX_TCR2_EL2));
}
+ if (is_feat_sxpie_supported()) {
+ write_pire0_el2(read_ctx_reg(el2_sysregs_ctx, CTX_PIRE0_EL2));
+ write_pir_el2(read_ctx_reg(el2_sysregs_ctx, CTX_PIR_EL2));
+ }
+ if (is_feat_s2pie_supported()) {
+ write_s2pir_el2(read_ctx_reg(el2_sysregs_ctx, CTX_S2PIR_EL2));
+ }
+ if (is_feat_sxpoe_supported()) {
+ write_por_el2(read_ctx_reg(el2_sysregs_ctx, CTX_POR_EL2));
+ }
}
}
#endif /* CTX_INCLUDE_EL2_REGS */
# Flag to enable access to TCR2 (FEAT_TCR2)
ENABLE_FEAT_TCR2 := 0
+# Flag to enable access to Stage 2 Permission Indirection (FEAT_S2PIE)
+ENABLE_FEAT_S2PIE := 0
+
+# Flag to enable access to Stage 1 Permission Indirection (FEAT_S1PIE)
+ENABLE_FEAT_S1PIE := 0
+
+# Flag to enable access to Stage 2 Permission Overlay (FEAT_S2POE)
+ENABLE_FEAT_S2POE := 0
+
+# Flag to enable access to Stage 1 Permission Overlay (FEAT_S1POE)
+ENABLE_FEAT_S1POE := 0
+
# By default BL31 encryption disabled
ENCRYPT_BL31 := 0
ENABLE_FEAT_ECV := 2
ENABLE_FEAT_FGT := 2
ENABLE_FEAT_TCR2 := 2
+ENABLE_FEAT_S2PIE := 2
+ENABLE_FEAT_S1PIE := 2
+ENABLE_FEAT_S2POE := 2
+ENABLE_FEAT_S1POE := 2
endif
# The FVP platform depends on this macro to build with correct GIC driver.
projects / arm-tf.git / commitdiff