Merge changes from topic "hm/errata-a710" into integration
* changes:
refactor(cpus): convert the Cortex-A710 to use cpu helpers
refactor(cpus): convert Cortex-A710 to use the errata framework
refactor(cpus): reorder Cortex-A710 errata by ascending order
feat(cpus): make revision procedure call optional
diff --git a/include/lib/cpus/aarch64/cpu_macros.S b/include/lib/cpus/aarch64/cpu_macros.S
index d945d7c..6faef5d 100644
--- a/include/lib/cpus/aarch64/cpu_macros.S
+++ b/include/lib/cpus/aarch64/cpu_macros.S
@@ -472,15 +472,25 @@
* _chosen:
* Compile time flag on whether the erratum is included
*
- * clobbers: x0-x9 (PCS compliant)
+ * _get_rev:
+ * Optional parameter that determines whether to insert a call to the CPU revision fetching
+ * procedure. Stores the result of this in the temporary register x10.
+ *
+ * clobbers: x0-x10 (PCS compliant)
*/
-.macro apply_erratum _cpu:req, _cve:req, _id:req, _chosen:req
- .if \_chosen
+.macro apply_erratum _cpu:req, _cve:req, _id:req, _chosen:req, _get_rev=GET_CPU_REV
+ .if (\_chosen & \_get_rev)
mov x9, x30
bl cpu_get_rev_var
+ mov x10, x0
+ .elseif (\_chosen)
+ mov x9, x30
+ mov x0, x10
+ .endif
+
+ .if \_chosen
bl erratum_\_cpu\()_\_id\()_wa
mov x30, x9
-
.endif
.endm
diff --git a/include/lib/cpus/errata.h b/include/lib/cpus/errata.h
index b280435..2080898 100644
--- a/include/lib/cpus/errata.h
+++ b/include/lib/cpus/errata.h
@@ -66,6 +66,9 @@
#define NO_ASSERT 0
#define NO_APPLY_AT_RESET 0
#define APPLY_AT_RESET 1
+#define GET_CPU_REV 1
+#define NO_GET_CPU_REV 0
+
/* useful for errata that end up always being worked around */
#define ERRATUM_ALWAYS_CHOSEN 1
diff --git a/lib/cpus/aarch64/cortex_a710.S b/lib/cpus/aarch64/cortex_a710.S
index cebd6f0..eab5ada 100644
--- a/lib/cpus/aarch64/cortex_a710.S
+++ b/lib/cpus/aarch64/cortex_a710.S
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2021-2022, Arm Limited. All rights reserved.
+ * Copyright (c) 2021-2023, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -26,22 +26,7 @@
wa_cve_2022_23960_bhb_vector_table CORTEX_A710_BHB_LOOP_COUNT, cortex_a710
#endif /* WORKAROUND_CVE_2022_23960 */
-/* --------------------------------------------------
- * Errata Workaround for Cortex-A710 Erratum 1987031.
- * This applies to revision r0p0, r1p0 and r2p0 of Cortex-A710. It is still
- * open.
- * Inputs:
- * x0: variant[4:7] and revision[0:3] of current cpu.
- * Shall clobber: x0-x17
- * --------------------------------------------------
- */
-func errata_a710_1987031_wa
- /* Check revision. */
- mov x17, x30
- bl check_errata_1987031
- cbz x0, 1f
-
- /* Apply instruction patching sequence */
+workaround_reset_start cortex_a710, ERRATUM(1987031), ERRATA_A710_1987031
ldr x0,=0x6
msr S3_6_c15_c8_0,x0
ldr x0,=0xF3A08002
@@ -58,33 +43,53 @@
msr S3_6_c15_c8_3,x0
ldr x0,=0x40000001003f3
msr S3_6_c15_c8_1,x0
- isb
-1:
- ret x17
-endfunc errata_a710_1987031_wa
+workaround_reset_end cortex_a710, ERRATUM(1987031)
-func check_errata_1987031
- /* Applies to r0p0, r1p0 and r2p0 */
- mov x1, #0x20
- b cpu_rev_var_ls
-endfunc check_errata_1987031
+check_erratum_ls cortex_a710, ERRATUM(1987031), CPU_REV(2, 0)
-/* --------------------------------------------------
- * Errata Workaround for Cortex-A710 Erratum 2081180.
- * This applies to revision r0p0, r1p0 and r2p0 of Cortex-A710.
- * It is still open.
- * Inputs:
- * x0: variant[4:7] and revision[0:3] of current cpu.
- * Shall clobber: x0-x17
- * --------------------------------------------------
- */
-func errata_a710_2081180_wa
- /* Check revision. */
- mov x17, x30
- bl check_errata_2081180
- cbz x0, 1f
+workaround_runtime_start cortex_a710, ERRATUM(2008768), ERRATA_A710_2008768
+ /* Stash ERRSELR_EL1 in x2 */
+ mrs x2, ERRSELR_EL1
+
+ /* Select error record 0 and clear ED bit */
+ msr ERRSELR_EL1, xzr
+ mrs x1, ERXCTLR_EL1
+ bfi x1, xzr, #ERXCTLR_ED_SHIFT, #1
+ msr ERXCTLR_EL1, x1
- /* Apply instruction patching sequence */
+ /* Select error record 1 and clear ED bit */
+ mov x0, #1
+ msr ERRSELR_EL1, x0
+ mrs x1, ERXCTLR_EL1
+ bfi x1, xzr, #ERXCTLR_ED_SHIFT, #1
+ msr ERXCTLR_EL1, x1
+
+ /* Restore ERRSELR_EL1 from x2 */
+ msr ERRSELR_EL1, x2
+workaround_runtime_end cortex_a710, ERRATUM(2008768), NO_ISB
+
+check_erratum_ls cortex_a710, ERRATUM(2008768), CPU_REV(2, 0)
+
+workaround_reset_start cortex_a710, ERRATUM(2017096), ERRATA_A710_2017096
+ sysreg_bit_set CORTEX_A710_CPUECTLR_EL1, CORTEX_A710_CPUECTLR_EL1_PFSTIDIS_BIT
+workaround_reset_end cortex_a710, ERRATUM(2017096)
+
+check_erratum_ls cortex_a710, ERRATUM(2017096), CPU_REV(2, 0)
+
+workaround_reset_start cortex_a710, ERRATUM(2055002), ERRATA_A710_2055002
+ sysreg_bit_set CORTEX_A710_CPUACTLR_EL1, CORTEX_A710_CPUACTLR_EL1_BIT_46
+workaround_reset_end cortex_a710, ERRATUM(2055002)
+
+check_erratum_ls cortex_a710, ERRATUM(2055002), CPU_REV(2, 0)
+
+workaround_reset_start cortex_a710, ERRATUM(2058056), ERRATA_A710_2058056
+ sysreg_bitfield_insert CORTEX_A710_CPUECTLR2_EL1, CORTEX_A710_CPUECTLR2_EL1_PF_MODE_CNSRV, \
+ CPUECTLR2_EL1_PF_MODE_LSB, CPUECTLR2_EL1_PF_MODE_WIDTH
+workaround_reset_end cortex_a710, ERRATUM(2058056)
+
+check_erratum_ls cortex_a710, ERRATUM(2058056), CPU_REV(2, 0)
+
+workaround_reset_start cortex_a710, ERRATUM(2081180), ERRATA_A710_2081180
ldr x0,=0x3
msr S3_6_c15_c8_0,x0
ldr x0,=0xF3A08002
@@ -101,238 +106,30 @@
msr S3_6_c15_c8_3,x0
ldr x0,=0x10002001003F3
msr S3_6_c15_c8_1,x0
- isb
-1:
- ret x17
-endfunc errata_a710_2081180_wa
-
-func check_errata_2081180
- /* Applies to r0p0, r1p0 and r2p0 */
- mov x1, #0x20
- b cpu_rev_var_ls
-endfunc check_errata_2081180
-
-/* ---------------------------------------------------------------------
- * Errata Workaround for Cortex-A710 Erratum 2055002.
- * This applies to revision r1p0, r2p0 of Cortex-A710 and is still open.
- * Inputs:
- * x0: variant[4:7] and revision[0:3] of current cpu.
- * Shall clobber: x0-x17
- * ---------------------------------------------------------------------
- */
-func errata_a710_2055002_wa
- /* Compare x0 against revision r2p0 */
- mov x17, x30
- bl check_errata_2055002
- cbz x0, 1f
- mrs x1, CORTEX_A710_CPUACTLR_EL1
- orr x1, x1, CORTEX_A710_CPUACTLR_EL1_BIT_46
- msr CORTEX_A710_CPUACTLR_EL1, x1
-1:
- ret x17
-endfunc errata_a710_2055002_wa
-
-func check_errata_2055002
- /* Applies to r1p0, r2p0 */
- mov x1, #0x20
- b cpu_rev_var_ls
-endfunc check_errata_2055002
-
-/* -------------------------------------------------------------
- * Errata Workaround for Cortex-A710 Erratum 2017096.
- * This applies to revisions r0p0, r1p0 and r2p0 of Cortex-A710.
- * Inputs:
- * x0: variant[4:7] and revision[0:3] of current cpu.
- * Shall clobber: x0-x17
- * -------------------------------------------------------------
- */
-func errata_a710_2017096_wa
- /* Compare x0 against revision r0p0 to r2p0 */
- mov x17, x30
- bl check_errata_2017096
- cbz x0, 1f
- mrs x1, CORTEX_A710_CPUECTLR_EL1
- orr x1, x1, CORTEX_A710_CPUECTLR_EL1_PFSTIDIS_BIT
- msr CORTEX_A710_CPUECTLR_EL1, x1
-
-1:
- ret x17
-endfunc errata_a710_2017096_wa
-
-func check_errata_2017096
- /* Applies to r0p0, r1p0, r2p0 */
- mov x1, #0x20
- b cpu_rev_var_ls
-endfunc check_errata_2017096
-
-
-/* ---------------------------------------------------------------------
- * Errata Workaround for Cortex-A710 Erratum 2083908.
- * This applies to revision r2p0 of Cortex-A710 and is still open.
- * Inputs:
- * x0: variant[4:7] and revision[0:3] of current cpu.
- * Shall clobber: x0-x17
- * ---------------------------------------------------------------------
- */
-func errata_a710_2083908_wa
- /* Compare x0 against revision r2p0 */
- mov x17, x30
- bl check_errata_2083908
- cbz x0, 1f
- mrs x1, CORTEX_A710_CPUACTLR5_EL1
- orr x1, x1, CORTEX_A710_CPUACTLR5_EL1_BIT_13
- msr CORTEX_A710_CPUACTLR5_EL1, x1
-1:
- ret x17
-endfunc errata_a710_2083908_wa
-
-func check_errata_2083908
- /* Applies to r2p0 */
- mov x1, #CPU_REV(2, 0)
- mov x2, #CPU_REV(2, 0)
- b cpu_rev_var_range
-endfunc check_errata_2083908
-
-/* ---------------------------------------------------------------------
- * Errata Workaround for Cortex-A710 Erratum 2058056.
- * This applies to revisions r0p0, r1p0 and r2p0 of Cortex-A710 and is still
- * open.
- * Inputs:
- * x0: variant[4:7] and revision[0:3] of current cpu.
- * Shall clobber: x0-x17
- * ---------------------------------------------------------------------
- */
-func errata_a710_2058056_wa
- /* Compare x0 against revision r2p0 */
- mov x17, x30
- bl check_errata_2058056
- cbz x0, 1f
- mrs x1, CORTEX_A710_CPUECTLR2_EL1
- mov x0, #CORTEX_A710_CPUECTLR2_EL1_PF_MODE_CNSRV
- bfi x1, x0, #CPUECTLR2_EL1_PF_MODE_LSB, #CPUECTLR2_EL1_PF_MODE_WIDTH
- msr CORTEX_A710_CPUECTLR2_EL1, x1
-1:
- ret x17
-endfunc errata_a710_2058056_wa
+workaround_reset_end cortex_a710, ERRATUM(2081180)
-func check_errata_2058056
- /* Applies to r0p0, r1p0 and r2p0 */
- mov x1, #0x20
- b cpu_rev_var_ls
-endfunc check_errata_2058056
+check_erratum_ls cortex_a710, ERRATUM(2081180), CPU_REV(2, 0)
-/* --------------------------------------------------
- * Errata Workaround for Cortex-A710 Erratum 2267065.
- * This applies to revisions r0p0, r1p0 and r2p0.
- * It is fixed in r2p1.
- * Inputs:
- * x0: variant[4:7] and revision[0:3] of current cpu.
- * Shall clobber: x0-x1, x17
- * --------------------------------------------------
- */
-func errata_a710_2267065_wa
- /* Compare x0 against revision r2p0 */
- mov x17, x30
- bl check_errata_2267065
- cbz x0, 1f
-
- /* Apply instruction patching sequence */
- mrs x1, CORTEX_A710_CPUACTLR_EL1
- orr x1, x1, CORTEX_A710_CPUACTLR_EL1_BIT_22
- msr CORTEX_A710_CPUACTLR_EL1, x1
-1:
- ret x17
-endfunc errata_a710_2267065_wa
+workaround_reset_start cortex_a710, ERRATUM(2083908), ERRATA_A710_2083908
+ sysreg_bit_set CORTEX_A710_CPUACTLR5_EL1, CORTEX_A710_CPUACTLR5_EL1_BIT_13
+workaround_reset_end cortex_a710, ERRATUM(2083908)
-func check_errata_2267065
- /* Applies to r0p0, r1p0 and r2p0 */
- mov x1, #0x20
- b cpu_rev_var_ls
-endfunc check_errata_2267065
+check_erratum_range cortex_a710, ERRATUM(2083908), CPU_REV(2, 0), CPU_REV(2, 0)
-/* ---------------------------------------------------------------
- * Errata Workaround for Cortex-A710 Erratum 2136059.
- * This applies to revision r0p0, r1p0 and r2p0.
- * It is fixed in r2p1.
- * Inputs:
- * x0: variant[4:7] and revision[0:3] of current cpu.
- * Shall clobber: x0-x17
- * ---------------------------------------------------------------
- */
-func errata_a710_2136059_wa
- /* Compare x0 against revision r2p0 */
- mov x17, x30
- bl check_errata_2136059
- cbz x0, 1f
+workaround_reset_start cortex_a710, ERRATUM(2136059), ERRATA_A710_2136059
+ sysreg_bit_set CORTEX_A710_CPUACTLR5_EL1, CORTEX_A710_CPUACTLR5_EL1_BIT_44
+workaround_reset_end cortex_a710, ERRATUM(2136059)
- /* Apply the workaround */
- mrs x1, CORTEX_A710_CPUACTLR5_EL1
- orr x1, x1, CORTEX_A710_CPUACTLR5_EL1_BIT_44
- msr CORTEX_A710_CPUACTLR5_EL1, x1
+check_erratum_ls cortex_a710, ERRATUM(2136059), CPU_REV(2, 0)
-1:
- ret x17
-endfunc errata_a710_2136059_wa
+workaround_reset_start cortex_a710, ERRATUM(2147715), ERRATA_A710_2147715
+ sysreg_bit_set CORTEX_A710_CPUACTLR_EL1, CORTEX_A710_CPUACTLR_EL1_BIT_22
+workaround_reset_end cortex_a710, ERRATUM(2147715)
-func check_errata_2136059
- /* Applies to r0p0, r1p0 and r2p0 */
- mov x1, #0x20
- b cpu_rev_var_ls
-endfunc check_errata_2136059
+check_erratum_range cortex_a710, ERRATUM(2147715), CPU_REV(2, 0), CPU_REV(2, 0)
-/* ----------------------------------------------------------------
- * Errata workaround for Cortex-A710 Erratum 2147715.
- * This applies to revision r2p0, and is fixed in r2p1.
- * Inputs:
- * x0: variant[4:7] and revision[0:3] of current cpu.
- * Shall clobber: x0, x1, x17
- * ----------------------------------------------------------------
- */
-func errata_a710_2147715_wa
- mov x17, x30
- bl check_errata_2147715
- cbz x0, 1f
-
- /* Apply workaround; set CPUACTLR_EL1[22]
- * to 1, which will cause the CFP instruction
- * to invalidate all branch predictor resources
- * regardless of context.
- */
- mrs x1, CORTEX_A710_CPUACTLR_EL1
- orr x1, x1, CORTEX_A710_CPUACTLR_EL1_BIT_22
- msr CORTEX_A710_CPUACTLR_EL1, x1
-1:
- ret x17
-endfunc errata_a710_2147715_wa
-
-func check_errata_2147715
- mov x1, #0x20
- mov x2, #0x20
- b cpu_rev_var_range
-endfunc check_errata_2147715
-
-/* ---------------------------------------------------------------
- * Errata Workaround for Cortex-A710 Erratum 2216384.
- * This applies to revision r0p0, r1p0 and r2p0.
- * It is fixed in r2p1.
- * Inputs:
- * x0: variant[4:7] and revision[0:3] of current cpu.
- * Shall clobber: x0-x17
- * ---------------------------------------------------------------
- */
-func errata_a710_2216384_wa
- /* Compare x0 against revision r2p0 */
- mov x17, x30
- bl check_errata_2216384
- cbz x0, 1f
-
- /* Apply workaround: set CPUACTLR5_EL1[17]
- * to 1 and the following instruction
- * patching sequence.
- */
- mrs x1, CORTEX_A710_CPUACTLR5_EL1
- orr x1, x1, CORTEX_A710_CPUACTLR5_EL1_BIT_17
- msr CORTEX_A710_CPUACTLR5_EL1, x1
+workaround_reset_start cortex_a710, ERRATUM(2216384), ERRATA_A710_2216384
+ sysreg_bit_set CORTEX_A710_CPUACTLR5_EL1, CORTEX_A710_CPUACTLR5_EL1_BIT_17
ldr x0,=0x5
msr CORTEX_A710_CPUPSELR_EL3, x0
@@ -342,338 +139,88 @@
msr CORTEX_A710_CPUPMR_EL3, x0
ldr x0,=0x80000000003FF
msr CORTEX_A710_CPUPCR_EL3, x0
- isb
-1:
- ret x17
-endfunc errata_a710_2216384_wa
+workaround_reset_end cortex_a710, ERRATUM(2216384)
-func check_errata_2216384
- /* Applies to r0p0, r1p0 and r2p0 */
- mov x1, #0x20
- b cpu_rev_var_ls
-endfunc check_errata_2216384
+check_erratum_ls cortex_a710, ERRATUM(2216384), CPU_REV(2, 0)
-/* ---------------------------------------------------------------
- * Errata Workaround for Cortex-A710 Erratum 2282622.
- * This applies to revision r0p0, r1p0, r2p0 and r2p1.
- * It is still open.
- * Inputs:
- * x0: variant[4:7] and revision[0:3] of current cpu.
- * Shall clobber: x0, x1, x17
- * ---------------------------------------------------------------
- */
-func errata_a710_2282622_wa
- /* Compare x0 against revision r2p1 */
- mov x17, x30
- bl check_errata_2282622
- cbz x0, 1f
+workaround_reset_start cortex_a710, ERRATUM(2267065), ERRATA_A710_2267065
+ sysreg_bit_set CORTEX_A710_CPUACTLR_EL1, CORTEX_A710_CPUACTLR_EL1_BIT_22
+workaround_reset_end cortex_a710, ERRATUM(2267065)
- /* Apply the workaround */
- mrs x1, CORTEX_A710_CPUACTLR2_EL1
- orr x1, x1, #BIT(0)
- msr CORTEX_A710_CPUACTLR2_EL1, x1
+check_erratum_ls cortex_a710, ERRATUM(2267065), CPU_REV(2, 0)
-1:
- ret x17
-endfunc errata_a710_2282622_wa
+workaround_reset_start cortex_a710, ERRATUM(2282622), ERRATA_A710_2282622
+ sysreg_bit_set CORTEX_A710_CPUACTLR2_EL1, BIT(0)
+workaround_reset_end cortex_a710, ERRATUM(2282622)
-func check_errata_2282622
- /* Applies to r0p0, r1p0, r2p0 and r2p1 */
- mov x1, #0x21
- b cpu_rev_var_ls
-endfunc check_errata_2282622
+check_erratum_ls cortex_a710, ERRATUM(2282622), CPU_REV(2, 1)
-/* ------------------------------------------------------------------------
- * Errata Workaround for Cortex-A710 Erratum 2291219 on power down request.
- * This applies to revision <= r2p0 and is fixed in r2p1.
- * Inputs:
- * x0: variant[4:7] and revision[0:3] of current cpu.
- * Shall clobber: x0-x1, x17
- * ------------------------------------------------------------------------
- */
-func errata_a710_2291219_wa
- /* Check revision. */
- mov x17, x30
- bl check_errata_2291219
- cbz x0, 1f
-
+workaround_runtime_start cortex_a710, ERRATUM(2291219), ERRATA_A710_2291219
/* Set bit 36 in ACTLR2_EL1 */
- mrs x1, CORTEX_A710_CPUACTLR2_EL1
- orr x1, x1, #CORTEX_A710_CPUACTLR2_EL1_BIT_36
- msr CORTEX_A710_CPUACTLR2_EL1, x1
-1:
- ret x17
-endfunc errata_a710_2291219_wa
+ sysreg_bit_set CORTEX_A710_CPUACTLR2_EL1, CORTEX_A710_CPUACTLR2_EL1_BIT_36
+workaround_runtime_end cortex_a710, ERRATUM(2291219), NO_ISB
-func check_errata_2291219
- /* Applies to <= r2p0. */
- mov x1, #0x20
- b cpu_rev_var_ls
-endfunc check_errata_2291219
+check_erratum_ls cortex_a710, ERRATUM(2291219), CPU_REV(2, 0)
-/* ---------------------------------------------------------------
- * Errata Workaround for Cortex-A710 Erratum 2008768.
- * This applies to revision r0p0, r1p0 and r2p0.
- * It is fixed in r2p1.
- * Inputs:
- * x0: variant[4:7] and revision[0:3] of current cpu.
- * Shall clobber: x0, x1, x2, x17
- * ---------------------------------------------------------------
+/*
+ * ERRATA_DSU_2313941 is defined in dsu_helpers.S but applies to Cortex-A710 as
+ * well. Create a symbollic link to existing errata workaround to get them
+ * registered under the Errata Framework.
*/
-func errata_a710_2008768_wa
- mov x17, x30
- bl check_errata_2008768
- cbz x0, 1f
-
- /* Stash ERRSELR_EL1 in x2 */
- mrs x2, ERRSELR_EL1
+.equ check_erratum_cortex_a710_2313941, check_errata_dsu_2313941
+.equ erratum_cortex_a710_2313941_wa, errata_dsu_2313941_wa
+add_erratum_entry cortex_a710, ERRATUM(2313941), ERRATA_DSU_2313941, APPLY_AT_RESET
- /* Select error record 0 and clear ED bit */
- msr ERRSELR_EL1, xzr
- mrs x1, ERXCTLR_EL1
- bfi x1, xzr, #ERXCTLR_ED_SHIFT, #1
- msr ERXCTLR_EL1, x1
-
- /* Select error record 1 and clear ED bit */
- mov x0, #1
- msr ERRSELR_EL1, x0
- mrs x1, ERXCTLR_EL1
- bfi x1, xzr, #ERXCTLR_ED_SHIFT, #1
- msr ERXCTLR_EL1, x1
-
- /* Restore ERRSELR_EL1 from x2 */
- msr ERRSELR_EL1, x2
-
-1:
- ret x17
-endfunc errata_a710_2008768_wa
-
-func check_errata_2008768
- /* Applies to r0p0, r1p0 and r2p0 */
- mov x1, #0x20
- b cpu_rev_var_ls
-endfunc check_errata_2008768
-
-/* -------------------------------------------------------
- * Errata Workaround for Cortex-A710 Erratum 2371105.
- * This applies to revisions <= r2p0 and is fixed in r2p1.
- * x0: variant[4:7] and revision[0:3] of current cpu.
- * Shall clobber: x0-x17
- * -------------------------------------------------------
- */
-func errata_a710_2371105_wa
- /* Check workaround compatibility. */
- mov x17, x30
- bl check_errata_2371105
- cbz x0, 1f
-
+workaround_reset_start cortex_a710, ERRATUM(2371105), ERRATA_A710_2371105
/* Set bit 40 in CPUACTLR2_EL1 */
- mrs x1, CORTEX_A710_CPUACTLR2_EL1
- orr x1, x1, #CORTEX_A710_CPUACTLR2_EL1_BIT_40
- msr CORTEX_A710_CPUACTLR2_EL1, x1
- isb
-1:
- ret x17
-endfunc errata_a710_2371105_wa
+ sysreg_bit_set CORTEX_A710_CPUACTLR2_EL1, CORTEX_A710_CPUACTLR2_EL1_BIT_40
+workaround_reset_end cortex_a710, ERRATUM(2371105)
-func check_errata_2371105
- /* Applies to <= r2p0. */
- mov x1, #0x20
- b cpu_rev_var_ls
-endfunc check_errata_2371105
+check_erratum_ls cortex_a710, ERRATUM(2371105), CPU_REV(2, 0)
-/* ----------------------------------------------------
- * Errata Workaround for Cortex-A710 Errata #2768515
- * This applies to revisions <= r2p1 and is still open.
- * x0: variant[4:7] and revision[0:3] of current cpu.
- * Shall clobber: x0-x17
- * ----------------------------------------------------
- */
-func errata_a710_2768515_wa
- mov x17, x30
- bl check_errata_2768515
- cbz x0, 1f
-
+workaround_runtime_start cortex_a710, ERRATUM(2768515), ERRATA_A710_2768515
/* dsb before isb of power down sequence */
dsb sy
-1:
- ret x17
-endfunc errata_a710_2768515_wa
+workaround_runtime_end cortex_a710, ERRATUM(2768515), NO_ISB
-func check_errata_2768515
- /* Applies to all revisions <= r2p1 */
- mov x1, #0x21
- b cpu_rev_var_ls
-endfunc check_errata_2768515
+check_erratum_ls cortex_a710, ERRATUM(2768515), CPU_REV(2, 1)
-func check_errata_cve_2022_23960
-#if WORKAROUND_CVE_2022_23960
- mov x0, #ERRATA_APPLIES
-#else
- mov x0, #ERRATA_MISSING
-#endif
- ret
-endfunc check_errata_cve_2022_23960
+workaround_reset_start cortex_a710, CVE(2022, 23960), WORKAROUND_CVE_2022_23960
+#if IMAGE_BL31
+ /*
+ * The Cortex-A710 generic vectors are overridden to apply errata
+ * mitigation on exception entry from lower ELs.
+ */
+ override_vector_table wa_cve_vbar_cortex_a710
+#endif /* IMAGE_BL31 */
+workaround_reset_end cortex_a710, CVE(2022, 23960)
+
+check_erratum_chosen cortex_a710, CVE(2022, 23960), WORKAROUND_CVE_2022_23960
/* ----------------------------------------------------
* HW will do the cache maintenance while powering down
* ----------------------------------------------------
*/
func cortex_a710_core_pwr_dwn
-
-#if ERRATA_A710_2008768
- mov x4, x30
- bl cpu_get_rev_var
- bl errata_a710_2008768_wa
- mov x30, x4
-#endif
-
-#if ERRATA_A710_2291219
- mov x15, x30
- bl cpu_get_rev_var
- bl errata_a710_2291219_wa
- mov x30, x15
-#endif /* ERRATA_A710_2291219 */
+ apply_erratum cortex_a710, ERRATUM(2008768), ERRATA_A710_2008768
+ apply_erratum cortex_a710, ERRATUM(2291219), ERRATA_A710_2291219, NO_GET_CPU_REV
/* ---------------------------------------------------
* Enable CPU power down bit in power control register
* ---------------------------------------------------
*/
- mrs x0, CORTEX_A710_CPUPWRCTLR_EL1
- orr x0, x0, #CORTEX_A710_CPUPWRCTLR_EL1_CORE_PWRDN_BIT
- msr CORTEX_A710_CPUPWRCTLR_EL1, x0
-#if ERRATA_A710_2768515
- mov x15, x30
- bl cpu_get_rev_var
- bl errata_a710_2768515_wa
- mov x30, x15
-#endif /* ERRATA_A710_2768515 */
+ sysreg_bit_set CORTEX_A710_CPUPWRCTLR_EL1, CORTEX_A710_CPUPWRCTLR_EL1_CORE_PWRDN_BIT
+ apply_erratum cortex_a710, ERRATUM(2768515), ERRATA_A710_2768515, NO_GET_CPU_REV
isb
ret
endfunc cortex_a710_core_pwr_dwn
-#if REPORT_ERRATA
- /*
- * Errata printing function for Cortex-A710. Must follow AAPCS.
- */
-func cortex_a710_errata_report
- stp x8, x30, [sp, #-16]!
-
- bl cpu_get_rev_var
- mov x8, x0
-
- /*
- * Report all errata. The revision-variant information is passed to
- * checking functions of each errata.
- */
- report_errata ERRATA_A710_1987031, cortex_a710, 1987031
- report_errata ERRATA_A710_2081180, cortex_a710, 2081180
- report_errata ERRATA_A710_2055002, cortex_a710, 2055002
- report_errata ERRATA_A710_2017096, cortex_a710, 2017096
- report_errata ERRATA_A710_2083908, cortex_a710, 2083908
- report_errata ERRATA_A710_2058056, cortex_a710, 2058056
- report_errata ERRATA_A710_2267065, cortex_a710, 2267065
- report_errata ERRATA_A710_2136059, cortex_a710, 2136059
- report_errata ERRATA_A710_2282622, cortex_a710, 2282622
- report_errata ERRATA_A710_2008768, cortex_a710, 2008768
- report_errata ERRATA_A710_2147715, cortex_a710, 2147715
- report_errata ERRATA_A710_2216384, cortex_a710, 2216384
- report_errata ERRATA_A710_2291219, cortex_a710, 2291219
- report_errata ERRATA_A710_2371105, cortex_a710, 2371105
- report_errata ERRATA_A710_2768515, cortex_a710, 2768515
- report_errata WORKAROUND_CVE_2022_23960, cortex_a710, cve_2022_23960
- report_errata ERRATA_DSU_2313941, cortex_a710, dsu_2313941
-
- ldp x8, x30, [sp], #16
- ret
-endfunc cortex_a710_errata_report
-#endif
+errata_report_shim cortex_a710
-func cortex_a710_reset_func
- mov x19, x30
-
+cpu_reset_func_start cortex_a710
/* Disable speculative loads */
msr SSBS, xzr
-
- bl cpu_get_rev_var
- mov x18, x0
-
-#if ERRATA_DSU_2313941
- bl errata_dsu_2313941_wa
-#endif
-
-#if ERRATA_A710_1987031
- mov x0, x18
- bl errata_a710_1987031_wa
-#endif
-
-#if ERRATA_A710_2081180
- mov x0, x18
- bl errata_a710_2081180_wa
-#endif
-
-#if ERRATA_A710_2055002
- mov x0, x18
- bl errata_a710_2055002_wa
-#endif
-
-#if ERRATA_A710_2017096
- mov x0, x18
- bl errata_a710_2017096_wa
-#endif
-
-#if ERRATA_A710_2083908
- mov x0, x18
- bl errata_a710_2083908_wa
-#endif
-
-#if ERRATA_A710_2058056
- mov x0, x18
- bl errata_a710_2058056_wa
-#endif
-
-#if ERRATA_A710_2267065
- mov x0, x18
- bl errata_a710_2267065_wa
-#endif
-
-#if ERRATA_A710_2136059
- mov x0, x18
- bl errata_a710_2136059_wa
-#endif
-
-#if ERRATA_A710_2147715
- mov x0, x18
- bl errata_a710_2147715_wa
-#endif
-
-#if ERRATA_A710_2216384
- mov x0, x18
- bl errata_a710_2216384_wa
-#endif /* ERRATA_A710_2216384 */
-
-#if ERRATA_A710_2282622
- mov x0, x18
- bl errata_a710_2282622_wa
-#endif
-
-#if ERRATA_A710_2371105
- mov x0, x18
- bl errata_a710_2371105_wa
-#endif
-
-#if IMAGE_BL31 && WORKAROUND_CVE_2022_23960
- /*
- * The Cortex-A710 generic vectors are overridden to apply errata
- * mitigation on exception entry from lower ELs.
- */
- adr x0, wa_cve_vbar_cortex_a710
- msr vbar_el3, x0
-#endif /* IMAGE_BL31 && WORKAROUND_CVE_2022_23960 */
-
- isb
- ret x19
-endfunc cortex_a710_reset_func
+cpu_reset_func_end cortex_a710
/* ---------------------------------------------
* This function provides Cortex-A710 specific