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-rw-r--r--lib/cpus/aarch64/cortex_a76.S4
-rw-r--r--lib/cpus/aarch64/neoverse_n1.S11
-rw-r--r--lib/cpus/aarch64/wa_cve_2017_5715_mmu.S4
-rw-r--r--lib/cpus/cpu-ops.mk13
-rw-r--r--lib/el3_runtime/aarch64/context.S2
-rw-r--r--lib/xlat_tables_v2/xlat_tables_core.c6
6 files changed, 27 insertions, 13 deletions
diff --git a/lib/cpus/aarch64/cortex_a76.S b/lib/cpus/aarch64/cortex_a76.S
index 868667ebc..baefa4676 100644
--- a/lib/cpus/aarch64/cortex_a76.S
+++ b/lib/cpus/aarch64/cortex_a76.S
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -85,7 +85,7 @@
bic x3, x2, #CORTEX_A76_CPUACTLR2_EL1_DISABLE_LOAD_PASS_STORE
csel x3, x3, x1, eq
msr CORTEX_A76_CPUACTLR2_EL1, x3
- eret /* ERET implies ISB */
+ exception_return /* exception_return contains ISB */
.endif
1:
/*
diff --git a/lib/cpus/aarch64/neoverse_n1.S b/lib/cpus/aarch64/neoverse_n1.S
index faf53a848..d537ed6a8 100644
--- a/lib/cpus/aarch64/neoverse_n1.S
+++ b/lib/cpus/aarch64/neoverse_n1.S
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -465,6 +465,13 @@ func neoverse_n1_reset_func
msr CPUAMCNTENSET_EL0, x0
#endif
+#if NEOVERSE_N1_EXTERNAL_LLC
+ /* Some system may have External LLC, core needs to be made aware */
+ mrs x0, NEOVERSE_N1_CPUECTLR_EL1
+ orr x0, x0, NEOVERSE_N1_CPUECTLR_EL1_EXTLLC_BIT
+ msr NEOVERSE_N1_CPUECTLR_EL1, x0
+#endif
+
#if ERRATA_DSU_936184
bl errata_dsu_936184_wa
#endif
@@ -553,7 +560,7 @@ func neoverse_n1_errata_ic_trap_handler
*/
esb
#endif
- eret
+ exception_return
1:
ret
endfunc neoverse_n1_errata_ic_trap_handler
diff --git a/lib/cpus/aarch64/wa_cve_2017_5715_mmu.S b/lib/cpus/aarch64/wa_cve_2017_5715_mmu.S
index 9277cc624..5134ee3f1 100644
--- a/lib/cpus/aarch64/wa_cve_2017_5715_mmu.S
+++ b/lib/cpus/aarch64/wa_cve_2017_5715_mmu.S
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -48,7 +48,7 @@ vector_base wa_cve_2017_5715_mmu_vbar
ccmp w0, w1, #0, eq
/* Static predictor will predict a fall through */
bne 1f
- eret
+ exception_return
1:
.endif
diff --git a/lib/cpus/cpu-ops.mk b/lib/cpus/cpu-ops.mk
index c9b9b387e..e3bfc2f2e 100644
--- a/lib/cpus/cpu-ops.mk
+++ b/lib/cpus/cpu-ops.mk
@@ -1,5 +1,5 @@
#
-# Copyright (c) 2014-2019, ARM Limited and Contributors. All rights reserved.
+# Copyright (c) 2014-2020, ARM Limited and Contributors. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
@@ -20,6 +20,10 @@ WORKAROUND_CVE_2017_5715 ?=1
WORKAROUND_CVE_2018_3639 ?=1
DYNAMIC_WORKAROUND_CVE_2018_3639 ?=0
+# Flag to indicate internal or external Last level cache
+# By default internal
+NEOVERSE_N1_EXTERNAL_LLC ?=0
+
# Process SKIP_A57_L1_FLUSH_PWR_DWN flag
$(eval $(call assert_boolean,SKIP_A57_L1_FLUSH_PWR_DWN))
$(eval $(call add_define,SKIP_A57_L1_FLUSH_PWR_DWN))
@@ -43,6 +47,9 @@ $(eval $(call add_define,WORKAROUND_CVE_2018_3639))
$(eval $(call assert_boolean,DYNAMIC_WORKAROUND_CVE_2018_3639))
$(eval $(call add_define,DYNAMIC_WORKAROUND_CVE_2018_3639))
+$(eval $(call assert_boolean,NEOVERSE_N1_EXTERNAL_LLC))
+$(eval $(call add_define,NEOVERSE_N1_EXTERNAL_LLC))
+
ifneq (${DYNAMIC_WORKAROUND_CVE_2018_3639},0)
ifeq (${WORKAROUND_CVE_2018_3639},0)
$(error "Error: WORKAROUND_CVE_2018_3639 must be 1 if DYNAMIC_WORKAROUND_CVE_2018_3639 is 1")
@@ -240,7 +247,7 @@ ERRATA_HERCULES_1688305 ?=0
# Flag to apply T32 CLREX workaround during reset. This erratum applies
# only to r0p0 and r1p0 of the Neoverse N1 cpu.
-ERRATA_N1_1043202 ?=1
+ERRATA_N1_1043202 ?=0
# Flag to apply erratum 1073348 workaround during reset. This erratum applies
# only to revision r0p0 and r1p0 of the Neoverse N1 cpu.
@@ -280,7 +287,7 @@ ERRATA_N1_1275112 ?=0
# Flag to apply erratum 1315703 workaround during reset. This erratum applies
# to revisions before r3p1 of the Neoverse N1 cpu.
-ERRATA_N1_1315703 ?=1
+ERRATA_N1_1315703 ?=0
# Flag to apply erratum 1542419 workaround during reset. This erratum applies
# to revisions r3p0 - r4p0 of the Neoverse N1 cpu.
diff --git a/lib/el3_runtime/aarch64/context.S b/lib/el3_runtime/aarch64/context.S
index 1bbd61005..9bd25bac9 100644
--- a/lib/el3_runtime/aarch64/context.S
+++ b/lib/el3_runtime/aarch64/context.S
@@ -534,6 +534,6 @@ func el3_exit
*/
esb
#endif
- eret
+ exception_return
endfunc el3_exit
diff --git a/lib/xlat_tables_v2/xlat_tables_core.c b/lib/xlat_tables_v2/xlat_tables_core.c
index 3c0865b81..b2259e5f3 100644
--- a/lib/xlat_tables_v2/xlat_tables_core.c
+++ b/lib/xlat_tables_v2/xlat_tables_core.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -688,10 +688,10 @@ static int mmap_add_region_check(const xlat_ctx_t *ctx, const mmap_region_t *mm)
if ((base_pa > end_pa) || (base_va > end_va))
return -ERANGE;
- if ((base_va + (uintptr_t)size - (uintptr_t)1) > ctx->va_max_address)
+ if (end_va > ctx->va_max_address)
return -ERANGE;
- if ((base_pa + (unsigned long long)size - 1ULL) > ctx->pa_max_address)
+ if (end_pa > ctx->pa_max_address)
return -ERANGE;
/* Check that there is space in the ctx->mmap array */