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@ -1,5 +1,5 @@ |
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/* |
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* Copyright (c) 2020-2022, Arm Limited. All rights reserved. |
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* Copyright (c) 2020-2023, Arm Limited. All rights reserved. |
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* |
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* SPDX-License-Identifier: BSD-3-Clause |
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*/ |
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@ -66,32 +66,6 @@ func check_errata_2002655 |
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b cpu_rev_var_ls |
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endfunc check_errata_2002655 |
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/* --------------------------------------------------------------- |
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* Errata Workaround for Neoverse N2 Erratum 2067956. |
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* This applies to revision r0p0 of Neoverse N2 and is still open. |
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* Inputs: |
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* x0: variant[4:7] and revision[0:3] of current cpu. |
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* Shall clobber: x0-x17 |
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* --------------------------------------------------------------- |
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*/ |
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func errata_n2_2067956_wa |
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/* Compare x0 against revision r0p0 */ |
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mov x17, x30 |
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bl check_errata_2067956 |
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cbz x0, 1f |
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mrs x1, NEOVERSE_N2_CPUACTLR_EL1 |
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orr x1, x1, NEOVERSE_N2_CPUACTLR_EL1_BIT_46 |
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msr NEOVERSE_N2_CPUACTLR_EL1, x1 |
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1: |
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ret x17 |
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endfunc errata_n2_2067956_wa |
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func check_errata_2067956 |
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/* Applies to r0p0 */ |
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mov x1, #0x00 |
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b cpu_rev_var_ls |
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endfunc check_errata_2067956 |
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/* --------------------------------------------------------------- |
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* Errata Workaround for Neoverse N2 Erratum 2025414. |
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* This applies to revision r0p0 of Neoverse N2 and is still open. |
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@ -120,31 +94,59 @@ func check_errata_2025414 |
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endfunc check_errata_2025414 |
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/* --------------------------------------------------------------- |
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* Errata Workaround for Neoverse N2 Erratum 2189731. |
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* Errata Workaround for Neoverse N2 Erratum 2067956. |
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* This applies to revision r0p0 of Neoverse N2 and is still open. |
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* Inputs: |
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* x0: variant[4:7] and revision[0:3] of current cpu. |
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* Shall clobber: x0-x17 |
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* --------------------------------------------------------------- |
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*/ |
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func errata_n2_2189731_wa |
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func errata_n2_2067956_wa |
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/* Compare x0 against revision r0p0 */ |
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mov x17, x30 |
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bl check_errata_2189731 |
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cbz x0, 1f |
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mrs x1, NEOVERSE_N2_CPUACTLR5_EL1 |
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orr x1, x1, NEOVERSE_N2_CPUACTLR5_EL1_BIT_44 |
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msr NEOVERSE_N2_CPUACTLR5_EL1, x1 |
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mov x17, x30 |
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bl check_errata_2067956 |
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cbz x0, 1f |
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mrs x1, NEOVERSE_N2_CPUACTLR_EL1 |
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orr x1, x1, NEOVERSE_N2_CPUACTLR_EL1_BIT_46 |
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msr NEOVERSE_N2_CPUACTLR_EL1, x1 |
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1: |
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ret x17 |
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endfunc errata_n2_2067956_wa |
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func check_errata_2067956 |
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/* Applies to r0p0 */ |
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mov x1, #0x00 |
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b cpu_rev_var_ls |
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endfunc check_errata_2067956 |
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/* -------------------------------------------------- |
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* Errata Workaround for Neoverse N2 Erratum 2138953. |
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* This applies to revision r0p0 of Neoverse N2. it is still open. |
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* Inputs: |
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* x0: variant[4:7] and revision[0:3] of current cpu. |
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* Shall clobber: x0-x1, x17 |
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* -------------------------------------------------- |
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*/ |
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func errata_n2_2138953_wa |
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/* Check revision. */ |
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mov x17, x30 |
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bl check_errata_2138953 |
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cbz x0, 1f |
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/* Apply instruction patching sequence */ |
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mrs x1, NEOVERSE_N2_CPUECTLR2_EL1 |
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mov x0, #NEOVERSE_N2_CPUECTLR2_EL1_PF_MODE_CNSRV |
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bfi x1, x0, #CPUECTLR2_EL1_PF_MODE_LSB, #CPUECTLR2_EL1_PF_MODE_WIDTH |
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msr NEOVERSE_N2_CPUECTLR2_EL1, x1 |
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1: |
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ret x17 |
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endfunc errata_n2_2189731_wa |
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ret x17 |
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endfunc errata_n2_2138953_wa |
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func check_errata_2189731 |
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func check_errata_2138953 |
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/* Applies to r0p0 */ |
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mov x1, #0x00 |
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b cpu_rev_var_ls |
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endfunc check_errata_2189731 |
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mov x1, #0x00 |
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b cpu_rev_var_ls |
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endfunc check_errata_2138953 |
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/* -------------------------------------------------- |
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* Errata Workaround for Neoverse N2 Erratum 2138956. |
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@ -189,126 +191,124 @@ func check_errata_2138956 |
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endfunc check_errata_2138956 |
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/* -------------------------------------------------- |
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* Errata Workaround for Neoverse N2 Erratum 2242415. |
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* Errata Workaround for Neoverse N2 Erratum 2138958. |
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* This applies to revision r0p0 of Neoverse N2. it is still open. |
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* Inputs: |
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* x0: variant[4:7] and revision[0:3] of current cpu. |
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* Shall clobber: x0-x1, x17 |
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* -------------------------------------------------- |
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*/ |
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func errata_n2_2242415_wa |
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func errata_n2_2138958_wa |
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/* Check revision. */ |
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mov x17, x30 |
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bl check_errata_2242415 |
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bl check_errata_2138958 |
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cbz x0, 1f |
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/* Apply instruction patching sequence */ |
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mrs x1, NEOVERSE_N2_CPUACTLR_EL1 |
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orr x1, x1, NEOVERSE_N2_CPUACTLR_EL1_BIT_22 |
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msr NEOVERSE_N2_CPUACTLR_EL1, x1 |
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mrs x1, NEOVERSE_N2_CPUACTLR5_EL1 |
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orr x1, x1, NEOVERSE_N2_CPUACTLR5_EL1_BIT_13 |
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msr NEOVERSE_N2_CPUACTLR5_EL1, x1 |
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1: |
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ret x17 |
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endfunc errata_n2_2242415_wa |
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endfunc errata_n2_2138958_wa |
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func check_errata_2242415 |
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func check_errata_2138958 |
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/* Applies to r0p0 */ |
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mov x1, #0x00 |
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b cpu_rev_var_ls |
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endfunc check_errata_2242415 |
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endfunc check_errata_2138958 |
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/* -------------------------------------------------- |
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* Errata Workaround for Neoverse N2 Erratum 2138953. |
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* This applies to revision r0p0 of Neoverse N2. it is still open. |
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/* --------------------------------------------------------------- |
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* Errata Workaround for Neoverse N2 Erratum 2189731. |
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* This applies to revision r0p0 of Neoverse N2 and is still open. |
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* Inputs: |
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* x0: variant[4:7] and revision[0:3] of current cpu. |
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* Shall clobber: x0-x1, x17 |
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* -------------------------------------------------- |
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* Shall clobber: x0-x17 |
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* --------------------------------------------------------------- |
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*/ |
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func errata_n2_2138953_wa |
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/* Check revision. */ |
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mov x17, x30 |
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bl check_errata_2138953 |
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cbz x0, 1f |
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func errata_n2_2189731_wa |
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/* Compare x0 against revision r0p0 */ |
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mov x17, x30 |
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bl check_errata_2189731 |
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cbz x0, 1f |
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mrs x1, NEOVERSE_N2_CPUACTLR5_EL1 |
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orr x1, x1, NEOVERSE_N2_CPUACTLR5_EL1_BIT_44 |
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msr NEOVERSE_N2_CPUACTLR5_EL1, x1 |
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/* Apply instruction patching sequence */ |
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mrs x1, NEOVERSE_N2_CPUECTLR2_EL1 |
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mov x0, #NEOVERSE_N2_CPUECTLR2_EL1_PF_MODE_CNSRV |
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bfi x1, x0, #CPUECTLR2_EL1_PF_MODE_LSB, #CPUECTLR2_EL1_PF_MODE_WIDTH |
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msr NEOVERSE_N2_CPUECTLR2_EL1, x1 |
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1: |
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ret x17 |
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endfunc errata_n2_2138953_wa |
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ret x17 |
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endfunc errata_n2_2189731_wa |
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func check_errata_2138953 |
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func check_errata_2189731 |
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/* Applies to r0p0 */ |
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mov x1, #0x00 |
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b cpu_rev_var_ls |
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endfunc check_errata_2138953 |
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mov x1, #0x00 |
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b cpu_rev_var_ls |
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endfunc check_errata_2189731 |
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/* -------------------------------------------------- |
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* Errata Workaround for Neoverse N2 Erratum 2138958. |
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* Errata Workaround for Neoverse N2 Erratum 2242400. |
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* This applies to revision r0p0 of Neoverse N2. it is still open. |
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* Inputs: |
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* x0: variant[4:7] and revision[0:3] of current cpu. |
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* Shall clobber: x0-x1, x17 |
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* -------------------------------------------------- |
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*/ |
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func errata_n2_2138958_wa |
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func errata_n2_2242400_wa |
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/* Check revision. */ |
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mov x17, x30 |
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bl check_errata_2138958 |
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bl check_errata_2242400 |
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cbz x0, 1f |
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/* Apply instruction patching sequence */ |
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mrs x1, NEOVERSE_N2_CPUACTLR5_EL1 |
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orr x1, x1, NEOVERSE_N2_CPUACTLR5_EL1_BIT_13 |
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orr x1, x1, NEOVERSE_N2_CPUACTLR5_EL1_BIT_17 |
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msr NEOVERSE_N2_CPUACTLR5_EL1, x1 |
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ldr x0, =0x2 |
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msr S3_6_c15_c8_0, x0 |
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ldr x0, =0x10F600E000 |
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msr S3_6_c15_c8_2, x0 |
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ldr x0, =0x10FF80E000 |
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msr S3_6_c15_c8_3, x0 |
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ldr x0, =0x80000000003FF |
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msr S3_6_c15_c8_1, x0 |
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isb |
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1: |
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ret x17 |
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endfunc errata_n2_2138958_wa |
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endfunc errata_n2_2242400_wa |
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func check_errata_2138958 |
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func check_errata_2242400 |
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/* Applies to r0p0 */ |
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mov x1, #0x00 |
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b cpu_rev_var_ls |
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endfunc check_errata_2138958 |
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endfunc check_errata_2242400 |
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/* -------------------------------------------------- |
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* Errata Workaround for Neoverse N2 Erratum 2242400. |
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* Errata Workaround for Neoverse N2 Erratum 2242415. |
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* This applies to revision r0p0 of Neoverse N2. it is still open. |
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* Inputs: |
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* x0: variant[4:7] and revision[0:3] of current cpu. |
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* Shall clobber: x0-x1, x17 |
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* -------------------------------------------------- |
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*/ |
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func errata_n2_2242400_wa |
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func errata_n2_2242415_wa |
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/* Check revision. */ |
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mov x17, x30 |
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bl check_errata_2242400 |
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bl check_errata_2242415 |
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cbz x0, 1f |
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/* Apply instruction patching sequence */ |
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mrs x1, NEOVERSE_N2_CPUACTLR5_EL1 |
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orr x1, x1, NEOVERSE_N2_CPUACTLR5_EL1_BIT_17 |
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msr NEOVERSE_N2_CPUACTLR5_EL1, x1 |
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ldr x0, =0x2 |
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msr S3_6_c15_c8_0, x0 |
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ldr x0, =0x10F600E000 |
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msr S3_6_c15_c8_2, x0 |
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ldr x0, =0x10FF80E000 |
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msr S3_6_c15_c8_3, x0 |
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ldr x0, =0x80000000003FF |
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msr S3_6_c15_c8_1, x0 |
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isb |
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mrs x1, NEOVERSE_N2_CPUACTLR_EL1 |
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orr x1, x1, NEOVERSE_N2_CPUACTLR_EL1_BIT_22 |
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msr NEOVERSE_N2_CPUACTLR_EL1, x1 |
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1: |
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ret x17 |
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endfunc errata_n2_2242400_wa |
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endfunc errata_n2_2242415_wa |
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func check_errata_2242400 |
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func check_errata_2242415 |
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/* Applies to r0p0 */ |
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mov x1, #0x00 |
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b cpu_rev_var_ls |
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endfunc check_errata_2242400 |
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endfunc check_errata_2242415 |
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/* -------------------------------------------------- |
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* Errata Workaround for Neoverse N2 Erratum 2280757. |
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@ -504,7 +504,6 @@ func neoverse_n2_reset_func |
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bl errata_n2_2189731_wa |
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#endif |
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#if ERRATA_N2_2138956 |
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mov x0, x18 |
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bl errata_n2_2138956_wa |
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@ -625,21 +624,21 @@ func neoverse_n2_errata_report |
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* checking functions of each errata. |
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*/ |
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report_errata ERRATA_N2_2002655, neoverse_n2, 2002655 |
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report_errata ERRATA_N2_2002655, neoverse_n2, 2025414 |
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report_errata ERRATA_N2_2067956, neoverse_n2, 2067956 |
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report_errata ERRATA_N2_2025414, neoverse_n2, 2025414 |
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report_errata ERRATA_N2_2189731, neoverse_n2, 2189731 |
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report_errata ERRATA_N2_2138956, neoverse_n2, 2138956 |
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report_errata ERRATA_N2_2138953, neoverse_n2, 2138953 |
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report_errata ERRATA_N2_2242415, neoverse_n2, 2242415 |
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report_errata ERRATA_N2_2138956, neoverse_n2, 2138956 |
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report_errata ERRATA_N2_2138958, neoverse_n2, 2138958 |
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report_errata ERRATA_N2_2189731, neoverse_n2, 2189731 |
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report_errata ERRATA_N2_2242400, neoverse_n2, 2242400 |
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report_errata ERRATA_N2_2242415, neoverse_n2, 2242415 |
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report_errata ERRATA_N2_2280757, neoverse_n2, 2280757 |
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report_errata ERRATA_N2_2326639, neoverse_n2, 2326639 |
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report_errata ERRATA_N2_2376738, neoverse_n2, 2376738 |
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report_errata ERRATA_N2_2388450, neoverse_n2, 2388450 |
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report_errata ERRATA_N2_2743089, neoverse_n2, 2743089 |
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report_errata WORKAROUND_CVE_2022_23960, neoverse_n2, cve_2022_23960 |
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report_errata ERRATA_DSU_2313941, neoverse_n2, dsu_2313941 |
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report_errata WORKAROUND_CVE_2022_23960, neoverse_n2, cve_2022_23960 |
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ldp x8, x30, [sp], #16 |
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ret |
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Arvind Ram Prakash
1 year ago