Index: head/sys/arm64/arm64/identcpu.c =================================================================== --- head/sys/arm64/arm64/identcpu.c (revision 338074) +++ head/sys/arm64/arm64/identcpu.c (revision 338075) @@ -1,1115 +1,1136 @@ /*- * Copyright (c) 2014 Andrew Turner * Copyright (c) 2014 The FreeBSD Foundation * All rights reserved. * * Portions of this software were developed by Semihalf * under sponsorship of the FreeBSD Foundation. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * */ #include __FBSDID("$FreeBSD$"); #include #include #include +#include #include #include #include #include #include #include static int ident_lock; char machine[] = "arm64"; SYSCTL_STRING(_hw, HW_MACHINE, machine, CTLFLAG_RD, machine, 0, "Machine class"); /* * Per-CPU affinity as provided in MPIDR_EL1 * Indexed by CPU number in logical order selected by the system. * Relevant fields can be extracted using CPU_AFFn macros, * Aff3.Aff2.Aff1.Aff0 construct a unique CPU address in the system. * * Fields used by us: * Aff1 - Cluster number * Aff0 - CPU number in Aff1 cluster */ uint64_t __cpu_affinity[MAXCPU]; static u_int cpu_aff_levels; struct cpu_desc { u_int cpu_impl; u_int cpu_part_num; u_int cpu_variant; u_int cpu_revision; const char *cpu_impl_name; const char *cpu_part_name; uint64_t mpidr; uint64_t id_aa64afr0; uint64_t id_aa64afr1; uint64_t id_aa64dfr0; uint64_t id_aa64dfr1; uint64_t id_aa64isar0; uint64_t id_aa64isar1; uint64_t id_aa64mmfr0; uint64_t id_aa64mmfr1; uint64_t id_aa64mmfr2; uint64_t id_aa64pfr0; uint64_t id_aa64pfr1; }; struct cpu_desc cpu_desc[MAXCPU]; static u_int cpu_print_regs; #define PRINT_ID_AA64_AFR0 0x00000001 #define PRINT_ID_AA64_AFR1 0x00000002 #define PRINT_ID_AA64_DFR0 0x00000010 #define PRINT_ID_AA64_DFR1 0x00000020 #define PRINT_ID_AA64_ISAR0 0x00000100 #define PRINT_ID_AA64_ISAR1 0x00000200 #define PRINT_ID_AA64_MMFR0 0x00001000 #define PRINT_ID_AA64_MMFR1 0x00002000 #define PRINT_ID_AA64_MMFR2 0x00004000 #define PRINT_ID_AA64_PFR0 0x00010000 #define PRINT_ID_AA64_PFR1 0x00020000 struct cpu_parts { u_int part_id; const char *part_name; }; #define CPU_PART_NONE { 0, "Unknown Processor" } struct cpu_implementers { u_int impl_id; const char *impl_name; /* * Part number is implementation defined * so each vendor will have its own set of values and names. */ const struct cpu_parts *cpu_parts; }; #define CPU_IMPLEMENTER_NONE { 0, "Unknown Implementer", cpu_parts_none } /* * Per-implementer table of (PartNum, CPU Name) pairs. */ /* ARM Ltd. */ static const struct cpu_parts cpu_parts_arm[] = { { CPU_PART_FOUNDATION, "Foundation-Model" }, { CPU_PART_CORTEX_A35, "Cortex-A35" }, { CPU_PART_CORTEX_A53, "Cortex-A53" }, { CPU_PART_CORTEX_A55, "Cortex-A55" }, { CPU_PART_CORTEX_A57, "Cortex-A57" }, { CPU_PART_CORTEX_A72, "Cortex-A72" }, { CPU_PART_CORTEX_A73, "Cortex-A73" }, { CPU_PART_CORTEX_A75, "Cortex-A75" }, CPU_PART_NONE, }; /* Cavium */ static const struct cpu_parts cpu_parts_cavium[] = { { CPU_PART_THUNDERX, "ThunderX" }, { CPU_PART_THUNDERX2, "ThunderX2" }, CPU_PART_NONE, }; /* Unknown */ static const struct cpu_parts cpu_parts_none[] = { CPU_PART_NONE, }; /* * Implementers table. */ const struct cpu_implementers cpu_implementers[] = { { CPU_IMPL_ARM, "ARM", cpu_parts_arm }, { CPU_IMPL_BROADCOM, "Broadcom", cpu_parts_none }, { CPU_IMPL_CAVIUM, "Cavium", cpu_parts_cavium }, { CPU_IMPL_DEC, "DEC", cpu_parts_none }, { CPU_IMPL_INFINEON, "IFX", cpu_parts_none }, { CPU_IMPL_FREESCALE, "Freescale", cpu_parts_none }, { CPU_IMPL_NVIDIA, "NVIDIA", cpu_parts_none }, { CPU_IMPL_APM, "APM", cpu_parts_none }, { CPU_IMPL_QUALCOMM, "Qualcomm", cpu_parts_none }, { CPU_IMPL_MARVELL, "Marvell", cpu_parts_none }, { CPU_IMPL_INTEL, "Intel", cpu_parts_none }, CPU_IMPLEMENTER_NONE, }; static void identify_cpu_sysinit(void *dummy __unused) { int cpu; CPU_FOREACH(cpu) { print_cpu_features(cpu); } } SYSINIT(idenrity_cpu, SI_SUB_SMP, SI_ORDER_ANY, identify_cpu_sysinit, NULL); void print_cpu_features(u_int cpu) { + struct sbuf *sb; int printed; - printf("CPU%3d: %s %s r%dp%d", cpu, cpu_desc[cpu].cpu_impl_name, - cpu_desc[cpu].cpu_part_name, cpu_desc[cpu].cpu_variant, - cpu_desc[cpu].cpu_revision); + sb = sbuf_new_auto(); + sbuf_printf(sb, "CPU%3d: %s %s r%dp%d", cpu, + cpu_desc[cpu].cpu_impl_name, cpu_desc[cpu].cpu_part_name, + cpu_desc[cpu].cpu_variant, cpu_desc[cpu].cpu_revision); - printf(" affinity:"); + sbuf_cat(sb, " affinity:"); switch(cpu_aff_levels) { default: case 4: - printf(" %2d", CPU_AFF3(cpu_desc[cpu].mpidr)); + sbuf_printf(sb, " %2d", CPU_AFF3(cpu_desc[cpu].mpidr)); /* FALLTHROUGH */ case 3: - printf(" %2d", CPU_AFF2(cpu_desc[cpu].mpidr)); + sbuf_printf(sb, " %2d", CPU_AFF2(cpu_desc[cpu].mpidr)); /* FALLTHROUGH */ case 2: - printf(" %2d", CPU_AFF1(cpu_desc[cpu].mpidr)); + sbuf_printf(sb, " %2d", CPU_AFF1(cpu_desc[cpu].mpidr)); /* FALLTHROUGH */ case 1: case 0: /* On UP this will be zero */ - printf(" %2d", CPU_AFF0(cpu_desc[cpu].mpidr)); + sbuf_printf(sb, " %2d", CPU_AFF0(cpu_desc[cpu].mpidr)); break; } - printf("\n"); + sbuf_finish(sb); + printf("%s\n", sbuf_data(sb)); + sbuf_clear(sb); /* * There is a hardware errata where, if one CPU is performing a TLB * invalidation while another is performing a store-exclusive the * store-exclusive may return the wrong status. A workaround seems * to be to use an IPI to invalidate on each CPU, however given the * limited number of affected units (pass 1.1 is the evaluation * hardware revision), and the lack of information from Cavium * this has not been implemented. * * At the time of writing this the only information is from: * https://lkml.org/lkml/2016/8/4/722 */ /* * XXX: CPU_MATCH_ERRATA_CAVIUM_THUNDERX_1_1 on its own also * triggers on pass 2.0+. */ if (cpu == 0 && CPU_VAR(PCPU_GET(midr)) == 0 && CPU_MATCH_ERRATA_CAVIUM_THUNDERX_1_1) printf("WARNING: ThunderX Pass 1.1 detected.\nThis has known " "hardware bugs that may cause the incorrect operation of " "atomic operations.\n"); if (cpu != 0 && cpu_print_regs == 0) return; #define SEP_STR ((printed++) == 0) ? "" : "," /* AArch64 Instruction Set Attribute Register 0 */ if (cpu == 0 || (cpu_print_regs & PRINT_ID_AA64_ISAR0) != 0) { printed = 0; - printf(" Instruction Set Attributes 0 = <"); + sbuf_printf(sb, " Instruction Set Attributes 0 = <"); switch (ID_AA64ISAR0_RDM(cpu_desc[cpu].id_aa64isar0)) { case ID_AA64ISAR0_RDM_NONE: break; case ID_AA64ISAR0_RDM_IMPL: - printf("%sRDM", SEP_STR); + sbuf_printf(sb, "%sRDM", SEP_STR); break; default: - printf("%sUnknown RDM", SEP_STR); + sbuf_printf(sb, "%sUnknown RDM", SEP_STR); } switch (ID_AA64ISAR0_ATOMIC(cpu_desc[cpu].id_aa64isar0)) { case ID_AA64ISAR0_ATOMIC_NONE: break; case ID_AA64ISAR0_ATOMIC_IMPL: - printf("%sAtomic", SEP_STR); + sbuf_printf(sb, "%sAtomic", SEP_STR); break; default: - printf("%sUnknown Atomic", SEP_STR); + sbuf_printf(sb, "%sUnknown Atomic", SEP_STR); } switch (ID_AA64ISAR0_AES(cpu_desc[cpu].id_aa64isar0)) { case ID_AA64ISAR0_AES_NONE: break; case ID_AA64ISAR0_AES_BASE: - printf("%sAES", SEP_STR); + sbuf_printf(sb, "%sAES", SEP_STR); break; case ID_AA64ISAR0_AES_PMULL: - printf("%sAES+PMULL", SEP_STR); + sbuf_printf(sb, "%sAES+PMULL", SEP_STR); break; default: - printf("%sUnknown AES", SEP_STR); + sbuf_printf(sb, "%sUnknown AES", SEP_STR); break; } switch (ID_AA64ISAR0_SHA1(cpu_desc[cpu].id_aa64isar0)) { case ID_AA64ISAR0_SHA1_NONE: break; case ID_AA64ISAR0_SHA1_BASE: - printf("%sSHA1", SEP_STR); + sbuf_printf(sb, "%sSHA1", SEP_STR); break; default: - printf("%sUnknown SHA1", SEP_STR); + sbuf_printf(sb, "%sUnknown SHA1", SEP_STR); break; } switch (ID_AA64ISAR0_SHA2(cpu_desc[cpu].id_aa64isar0)) { case ID_AA64ISAR0_SHA2_NONE: break; case ID_AA64ISAR0_SHA2_BASE: - printf("%sSHA2", SEP_STR); + sbuf_printf(sb, "%sSHA2", SEP_STR); break; case ID_AA64ISAR0_SHA2_512: - printf("%sSHA2+SHA512", SEP_STR); + sbuf_printf(sb, "%sSHA2+SHA512", SEP_STR); break; default: - printf("%sUnknown SHA2", SEP_STR); + sbuf_printf(sb, "%sUnknown SHA2", SEP_STR); break; } switch (ID_AA64ISAR0_CRC32(cpu_desc[cpu].id_aa64isar0)) { case ID_AA64ISAR0_CRC32_NONE: break; case ID_AA64ISAR0_CRC32_BASE: - printf("%sCRC32", SEP_STR); + sbuf_printf(sb, "%sCRC32", SEP_STR); break; default: - printf("%sUnknown CRC32", SEP_STR); + sbuf_printf(sb, "%sUnknown CRC32", SEP_STR); break; } switch (ID_AA64ISAR0_SHA3(cpu_desc[cpu].id_aa64isar0)) { case ID_AA64ISAR0_SHA3_NONE: break; case ID_AA64ISAR0_SHA3_IMPL: - printf("%sSHA3", SEP_STR); + sbuf_printf(sb, "%sSHA3", SEP_STR); break; default: - printf("%sUnknown SHA3", SEP_STR); + sbuf_printf(sb, "%sUnknown SHA3", SEP_STR); break; } switch (ID_AA64ISAR0_SM3(cpu_desc[cpu].id_aa64isar0)) { case ID_AA64ISAR0_SM3_NONE: break; case ID_AA64ISAR0_SM3_IMPL: - printf("%sSM3", SEP_STR); + sbuf_printf(sb, "%sSM3", SEP_STR); break; default: - printf("%sUnknown SM3", SEP_STR); + sbuf_printf(sb, "%sUnknown SM3", SEP_STR); break; } switch (ID_AA64ISAR0_SM4(cpu_desc[cpu].id_aa64isar0)) { case ID_AA64ISAR0_SM4_NONE: break; case ID_AA64ISAR0_SM4_IMPL: - printf("%sSM4", SEP_STR); + sbuf_printf(sb, "%sSM4", SEP_STR); break; default: - printf("%sUnknown SM4", SEP_STR); + sbuf_printf(sb, "%sUnknown SM4", SEP_STR); break; } switch (ID_AA64ISAR0_DP(cpu_desc[cpu].id_aa64isar0)) { case ID_AA64ISAR0_DP_NONE: break; case ID_AA64ISAR0_DP_IMPL: - printf("%sDotProd", SEP_STR); + sbuf_printf(sb, "%sDotProd", SEP_STR); break; default: - printf("%sUnknown DP", SEP_STR); + sbuf_printf(sb, "%sUnknown DP", SEP_STR); break; } if ((cpu_desc[cpu].id_aa64isar0 & ~ID_AA64ISAR0_MASK) != 0) - printf("%s%#lx", SEP_STR, + sbuf_printf(sb, "%s%#lx", SEP_STR, cpu_desc[cpu].id_aa64isar0 & ~ID_AA64ISAR0_MASK); - printf(">\n"); + sbuf_finish(sb); + printf("%s>\n", sbuf_data(sb)); + sbuf_clear(sb); } /* AArch64 Instruction Set Attribute Register 1 */ if (cpu == 0 || (cpu_print_regs & PRINT_ID_AA64_ISAR1) != 0) { printed = 0; - printf(" Instruction Set Attributes 1 = <"); + sbuf_printf(sb, " Instruction Set Attributes 1 = <"); switch (ID_AA64ISAR1_GPI(cpu_desc[cpu].id_aa64isar1)) { case ID_AA64ISAR1_GPI_NONE: break; case ID_AA64ISAR1_GPI_IMPL: - printf("%sImpl GenericAuth", SEP_STR); + sbuf_printf(sb, "%sImpl GenericAuth", SEP_STR); break; default: - printf("%sUnknown GenericAuth", SEP_STR); + sbuf_printf(sb, "%sUnknown GenericAuth", SEP_STR); break; } switch (ID_AA64ISAR1_GPA(cpu_desc[cpu].id_aa64isar1)) { case ID_AA64ISAR1_GPA_NONE: break; case ID_AA64ISAR1_GPA_IMPL: - printf("%sPrince GenericAuth", SEP_STR); + sbuf_printf(sb, "%sPrince GenericAuth", SEP_STR); break; default: - printf("%sUnknown GenericAuth", SEP_STR); + sbuf_printf(sb, "%sUnknown GenericAuth", SEP_STR); break; } switch (ID_AA64ISAR1_LRCPC(cpu_desc[cpu].id_aa64isar1)) { case ID_AA64ISAR1_LRCPC_NONE: break; case ID_AA64ISAR1_LRCPC_IMPL: - printf("%sRCpc", SEP_STR); + sbuf_printf(sb, "%sRCpc", SEP_STR); break; default: - printf("%sUnknown RCpc", SEP_STR); + sbuf_printf(sb, "%sUnknown RCpc", SEP_STR); break; } switch (ID_AA64ISAR1_FCMA(cpu_desc[cpu].id_aa64isar1)) { case ID_AA64ISAR1_FCMA_NONE: break; case ID_AA64ISAR1_FCMA_IMPL: - printf("%sFCMA", SEP_STR); + sbuf_printf(sb, "%sFCMA", SEP_STR); break; default: - printf("%sUnknown FCMA", SEP_STR); + sbuf_printf(sb, "%sUnknown FCMA", SEP_STR); break; } switch (ID_AA64ISAR1_JSCVT(cpu_desc[cpu].id_aa64isar1)) { case ID_AA64ISAR1_JSCVT_NONE: break; case ID_AA64ISAR1_JSCVT_IMPL: - printf("%sJS Conv", SEP_STR); + sbuf_printf(sb, "%sJS Conv", SEP_STR); break; default: - printf("%sUnknown JS Conv", SEP_STR); + sbuf_printf(sb, "%sUnknown JS Conv", SEP_STR); break; } switch (ID_AA64ISAR1_API(cpu_desc[cpu].id_aa64isar1)) { case ID_AA64ISAR1_API_NONE: break; case ID_AA64ISAR1_API_IMPL: - printf("%sImpl AddrAuth", SEP_STR); + sbuf_printf(sb, "%sImpl AddrAuth", SEP_STR); break; default: - printf("%sUnknown Impl AddrAuth", SEP_STR); + sbuf_printf(sb, "%sUnknown Impl AddrAuth", SEP_STR); break; } switch (ID_AA64ISAR1_APA(cpu_desc[cpu].id_aa64isar1)) { case ID_AA64ISAR1_APA_NONE: break; case ID_AA64ISAR1_APA_IMPL: - printf("%sPrince AddrAuth", SEP_STR); + sbuf_printf(sb, "%sPrince AddrAuth", SEP_STR); break; default: - printf("%sUnknown Prince AddrAuth", SEP_STR); + sbuf_printf(sb, "%sUnknown Prince AddrAuth", SEP_STR); break; } switch (ID_AA64ISAR1_DPB(cpu_desc[cpu].id_aa64isar1)) { case ID_AA64ISAR1_DPB_NONE: break; case ID_AA64ISAR1_DPB_IMPL: - printf("%sDC CVAP", SEP_STR); + sbuf_printf(sb, "%sDC CVAP", SEP_STR); break; default: - printf("%sUnknown DC CVAP", SEP_STR); + sbuf_printf(sb, "%sUnknown DC CVAP", SEP_STR); break; } if ((cpu_desc[cpu].id_aa64isar1 & ~ID_AA64ISAR1_MASK) != 0) - printf("%s%#lx", SEP_STR, + sbuf_printf(sb, "%s%#lx", SEP_STR, cpu_desc[cpu].id_aa64isar1 & ~ID_AA64ISAR1_MASK); - printf(">\n"); + sbuf_finish(sb); + printf("%s>\n", sbuf_data(sb)); + sbuf_clear(sb); } /* AArch64 Processor Feature Register 0 */ if (cpu == 0 || (cpu_print_regs & PRINT_ID_AA64_PFR0) != 0) { printed = 0; - printf(" Processor Features 0 = <"); + sbuf_printf(sb, " Processor Features 0 = <"); switch (ID_AA64PFR0_SVE(cpu_desc[cpu].id_aa64pfr0)) { case ID_AA64PFR0_SVE_NONE: break; case ID_AA64PFR0_SVE_IMPL: - printf("%sSVE", SEP_STR); + sbuf_printf(sb, "%sSVE", SEP_STR); break; default: - printf("%sUnknown SVE", SEP_STR); + sbuf_printf(sb, "%sUnknown SVE", SEP_STR); break; } switch (ID_AA64PFR0_RAS(cpu_desc[cpu].id_aa64pfr0)) { case ID_AA64PFR0_RAS_NONE: break; case ID_AA64PFR0_RAS_V1: - printf("%sRASv1", SEP_STR); + sbuf_printf(sb, "%sRASv1", SEP_STR); break; default: - printf("%sUnknown RAS", SEP_STR); + sbuf_printf(sb, "%sUnknown RAS", SEP_STR); break; } switch (ID_AA64PFR0_GIC(cpu_desc[cpu].id_aa64pfr0)) { case ID_AA64PFR0_GIC_CPUIF_NONE: break; case ID_AA64PFR0_GIC_CPUIF_EN: - printf("%sGIC", SEP_STR); + sbuf_printf(sb, "%sGIC", SEP_STR); break; default: - printf("%sUnknown GIC interface", SEP_STR); + sbuf_printf(sb, "%sUnknown GIC interface", SEP_STR); break; } switch (ID_AA64PFR0_ADV_SIMD(cpu_desc[cpu].id_aa64pfr0)) { case ID_AA64PFR0_ADV_SIMD_NONE: break; case ID_AA64PFR0_ADV_SIMD_IMPL: - printf("%sAdvSIMD", SEP_STR); + sbuf_printf(sb, "%sAdvSIMD", SEP_STR); break; case ID_AA64PFR0_ADV_SIMD_HP: - printf("%sAdvSIMD+HP", SEP_STR); + sbuf_printf(sb, "%sAdvSIMD+HP", SEP_STR); break; default: - printf("%sUnknown AdvSIMD", SEP_STR); + sbuf_printf(sb, "%sUnknown AdvSIMD", SEP_STR); break; } switch (ID_AA64PFR0_FP(cpu_desc[cpu].id_aa64pfr0)) { case ID_AA64PFR0_FP_NONE: break; case ID_AA64PFR0_FP_IMPL: - printf("%sFloat", SEP_STR); + sbuf_printf(sb, "%sFloat", SEP_STR); break; case ID_AA64PFR0_FP_HP: - printf("%sFloat+HP", SEP_STR); + sbuf_printf(sb, "%sFloat+HP", SEP_STR); break; default: - printf("%sUnknown Float", SEP_STR); + sbuf_printf(sb, "%sUnknown Float", SEP_STR); break; } switch (ID_AA64PFR0_EL3(cpu_desc[cpu].id_aa64pfr0)) { case ID_AA64PFR0_EL3_NONE: - printf("%sNo EL3", SEP_STR); + sbuf_printf(sb, "%sNo EL3", SEP_STR); break; case ID_AA64PFR0_EL3_64: - printf("%sEL3", SEP_STR); + sbuf_printf(sb, "%sEL3", SEP_STR); break; case ID_AA64PFR0_EL3_64_32: - printf("%sEL3 32", SEP_STR); + sbuf_printf(sb, "%sEL3 32", SEP_STR); break; default: - printf("%sUnknown EL3", SEP_STR); + sbuf_printf(sb, "%sUnknown EL3", SEP_STR); break; } switch (ID_AA64PFR0_EL2(cpu_desc[cpu].id_aa64pfr0)) { case ID_AA64PFR0_EL2_NONE: - printf("%sNo EL2", SEP_STR); + sbuf_printf(sb, "%sNo EL2", SEP_STR); break; case ID_AA64PFR0_EL2_64: - printf("%sEL2", SEP_STR); + sbuf_printf(sb, "%sEL2", SEP_STR); break; case ID_AA64PFR0_EL2_64_32: - printf("%sEL2 32", SEP_STR); + sbuf_printf(sb, "%sEL2 32", SEP_STR); break; default: - printf("%sUnknown EL2", SEP_STR); + sbuf_printf(sb, "%sUnknown EL2", SEP_STR); break; } switch (ID_AA64PFR0_EL1(cpu_desc[cpu].id_aa64pfr0)) { case ID_AA64PFR0_EL1_64: - printf("%sEL1", SEP_STR); + sbuf_printf(sb, "%sEL1", SEP_STR); break; case ID_AA64PFR0_EL1_64_32: - printf("%sEL1 32", SEP_STR); + sbuf_printf(sb, "%sEL1 32", SEP_STR); break; default: - printf("%sUnknown EL1", SEP_STR); + sbuf_printf(sb, "%sUnknown EL1", SEP_STR); break; } switch (ID_AA64PFR0_EL0(cpu_desc[cpu].id_aa64pfr0)) { case ID_AA64PFR0_EL0_64: - printf("%sEL0", SEP_STR); + sbuf_printf(sb, "%sEL0", SEP_STR); break; case ID_AA64PFR0_EL0_64_32: - printf("%sEL0 32", SEP_STR); + sbuf_printf(sb, "%sEL0 32", SEP_STR); break; default: - printf("%sUnknown EL0", SEP_STR); + sbuf_printf(sb, "%sUnknown EL0", SEP_STR); break; } if ((cpu_desc[cpu].id_aa64pfr0 & ~ID_AA64PFR0_MASK) != 0) - printf("%s%#lx", SEP_STR, + sbuf_printf(sb, "%s%#lx", SEP_STR, cpu_desc[cpu].id_aa64pfr0 & ~ID_AA64PFR0_MASK); - printf(">\n"); + sbuf_finish(sb); + printf("%s>\n", sbuf_data(sb)); + sbuf_clear(sb); } /* AArch64 Processor Feature Register 1 */ if (cpu == 0 || (cpu_print_regs & PRINT_ID_AA64_PFR1) != 0) { printf(" Processor Features 1 = <%#lx>\n", cpu_desc[cpu].id_aa64pfr1); } /* AArch64 Memory Model Feature Register 0 */ if (cpu == 0 || (cpu_print_regs & PRINT_ID_AA64_MMFR0) != 0) { printed = 0; - printf(" Memory Model Features 0 = <"); + sbuf_printf(sb, " Memory Model Features 0 = <"); switch (ID_AA64MMFR0_TGRAN4(cpu_desc[cpu].id_aa64mmfr0)) { case ID_AA64MMFR0_TGRAN4_NONE: break; case ID_AA64MMFR0_TGRAN4_IMPL: - printf("%s4k Granule", SEP_STR); + sbuf_printf(sb, "%s4k Granule", SEP_STR); break; default: - printf("%sUnknown 4k Granule", SEP_STR); + sbuf_printf(sb, "%sUnknown 4k Granule", SEP_STR); break; } switch (ID_AA64MMFR0_TGRAN16(cpu_desc[cpu].id_aa64mmfr0)) { case ID_AA64MMFR0_TGRAN16_NONE: break; case ID_AA64MMFR0_TGRAN16_IMPL: - printf("%s16k Granule", SEP_STR); + sbuf_printf(sb, "%s16k Granule", SEP_STR); break; default: - printf("%sUnknown 16k Granule", SEP_STR); + sbuf_printf(sb, "%sUnknown 16k Granule", SEP_STR); break; } switch (ID_AA64MMFR0_TGRAN64(cpu_desc[cpu].id_aa64mmfr0)) { case ID_AA64MMFR0_TGRAN64_NONE: break; case ID_AA64MMFR0_TGRAN64_IMPL: - printf("%s64k Granule", SEP_STR); + sbuf_printf(sb, "%s64k Granule", SEP_STR); break; default: - printf("%sUnknown 64k Granule", SEP_STR); + sbuf_printf(sb, "%sUnknown 64k Granule", SEP_STR); break; } switch (ID_AA64MMFR0_BIGEND(cpu_desc[cpu].id_aa64mmfr0)) { case ID_AA64MMFR0_BIGEND_FIXED: break; case ID_AA64MMFR0_BIGEND_MIXED: - printf("%sMixedEndian", SEP_STR); + sbuf_printf(sb, "%sMixedEndian", SEP_STR); break; default: - printf("%sUnknown Endian switching", SEP_STR); + sbuf_printf(sb, "%sUnknown Endian switching", SEP_STR); break; } switch (ID_AA64MMFR0_BIGEND_EL0(cpu_desc[cpu].id_aa64mmfr0)) { case ID_AA64MMFR0_BIGEND_EL0_FIXED: break; case ID_AA64MMFR0_BIGEND_EL0_MIXED: - printf("%sEL0 MixEndian", SEP_STR); + sbuf_printf(sb, "%sEL0 MixEndian", SEP_STR); break; default: - printf("%sUnknown EL0 Endian switching", SEP_STR); + sbuf_printf(sb, "%sUnknown EL0 Endian switching", SEP_STR); break; } switch (ID_AA64MMFR0_S_NS_MEM(cpu_desc[cpu].id_aa64mmfr0)) { case ID_AA64MMFR0_S_NS_MEM_NONE: break; case ID_AA64MMFR0_S_NS_MEM_DISTINCT: - printf("%sS/NS Mem", SEP_STR); + sbuf_printf(sb, "%sS/NS Mem", SEP_STR); break; default: - printf("%sUnknown S/NS Mem", SEP_STR); + sbuf_printf(sb, "%sUnknown S/NS Mem", SEP_STR); break; } switch (ID_AA64MMFR0_ASID_BITS(cpu_desc[cpu].id_aa64mmfr0)) { case ID_AA64MMFR0_ASID_BITS_8: - printf("%s8bit ASID", SEP_STR); + sbuf_printf(sb, "%s8bit ASID", SEP_STR); break; case ID_AA64MMFR0_ASID_BITS_16: - printf("%s16bit ASID", SEP_STR); + sbuf_printf(sb, "%s16bit ASID", SEP_STR); break; default: - printf("%sUnknown ASID", SEP_STR); + sbuf_printf(sb, "%sUnknown ASID", SEP_STR); break; } switch (ID_AA64MMFR0_PA_RANGE(cpu_desc[cpu].id_aa64mmfr0)) { case ID_AA64MMFR0_PA_RANGE_4G: - printf("%s4GB PA", SEP_STR); + sbuf_printf(sb, "%s4GB PA", SEP_STR); break; case ID_AA64MMFR0_PA_RANGE_64G: - printf("%s64GB PA", SEP_STR); + sbuf_printf(sb, "%s64GB PA", SEP_STR); break; case ID_AA64MMFR0_PA_RANGE_1T: - printf("%s1TB PA", SEP_STR); + sbuf_printf(sb, "%s1TB PA", SEP_STR); break; case ID_AA64MMFR0_PA_RANGE_4T: - printf("%s4TB PA", SEP_STR); + sbuf_printf(sb, "%s4TB PA", SEP_STR); break; case ID_AA64MMFR0_PA_RANGE_16T: - printf("%s16TB PA", SEP_STR); + sbuf_printf(sb, "%s16TB PA", SEP_STR); break; case ID_AA64MMFR0_PA_RANGE_256T: - printf("%s256TB PA", SEP_STR); + sbuf_printf(sb, "%s256TB PA", SEP_STR); break; case ID_AA64MMFR0_PA_RANGE_4P: - printf("%s4PB PA", SEP_STR); + sbuf_printf(sb, "%s4PB PA", SEP_STR); break; default: - printf("%sUnknown PA Range", SEP_STR); + sbuf_printf(sb, "%sUnknown PA Range", SEP_STR); break; } if ((cpu_desc[cpu].id_aa64mmfr0 & ~ID_AA64MMFR0_MASK) != 0) - printf("%s%#lx", SEP_STR, + sbuf_printf(sb, "%s%#lx", SEP_STR, cpu_desc[cpu].id_aa64mmfr0 & ~ID_AA64MMFR0_MASK); - printf(">\n"); + sbuf_finish(sb); + printf("%s>\n", sbuf_data(sb)); + sbuf_clear(sb); } /* AArch64 Memory Model Feature Register 1 */ if (cpu == 0 || (cpu_print_regs & PRINT_ID_AA64_MMFR1) != 0) { printed = 0; - printf(" Memory Model Features 1 = <"); + sbuf_printf(sb, " Memory Model Features 1 = <"); switch (ID_AA64MMFR1_XNX(cpu_desc[cpu].id_aa64mmfr1)) { case ID_AA64MMFR1_XNX_NONE: break; case ID_AA64MMFR1_XNX_IMPL: - printf("%sEL2 XN", SEP_STR); + sbuf_printf(sb, "%sEL2 XN", SEP_STR); break; default: - printf("%sUnknown XNX", SEP_STR); + sbuf_printf(sb, "%sUnknown XNX", SEP_STR); break; } switch (ID_AA64MMFR1_SPEC_SEI(cpu_desc[cpu].id_aa64mmfr1)) { case ID_AA64MMFR1_SPEC_SEI_NONE: break; case ID_AA64MMFR1_SPEC_SEI_IMPL: - printf("%sSpecSEI", SEP_STR); + sbuf_printf(sb, "%sSpecSEI", SEP_STR); break; default: - printf("%sUnknown SpecSEI", SEP_STR); + sbuf_printf(sb, "%sUnknown SpecSEI", SEP_STR); break; } switch (ID_AA64MMFR1_PAN(cpu_desc[cpu].id_aa64mmfr1)) { case ID_AA64MMFR1_PAN_NONE: break; case ID_AA64MMFR1_PAN_IMPL: - printf("%sPAN", SEP_STR); + sbuf_printf(sb, "%sPAN", SEP_STR); break; case ID_AA64MMFR1_PAN_ATS1E1: - printf("%sPAN+AT", SEP_STR); + sbuf_printf(sb, "%sPAN+AT", SEP_STR); break; default: - printf("%sUnknown PAN", SEP_STR); + sbuf_printf(sb, "%sUnknown PAN", SEP_STR); break; } switch (ID_AA64MMFR1_LO(cpu_desc[cpu].id_aa64mmfr1)) { case ID_AA64MMFR1_LO_NONE: break; case ID_AA64MMFR1_LO_IMPL: - printf("%sLO", SEP_STR); + sbuf_printf(sb, "%sLO", SEP_STR); break; default: - printf("%sUnknown LO", SEP_STR); + sbuf_printf(sb, "%sUnknown LO", SEP_STR); break; } switch (ID_AA64MMFR1_HPDS(cpu_desc[cpu].id_aa64mmfr1)) { case ID_AA64MMFR1_HPDS_NONE: break; case ID_AA64MMFR1_HPDS_HPD: - printf("%sHPDS", SEP_STR); + sbuf_printf(sb, "%sHPDS", SEP_STR); break; case ID_AA64MMFR1_HPDS_TTPBHA: - printf("%sTTPBHA", SEP_STR); + sbuf_printf(sb, "%sTTPBHA", SEP_STR); break; default: - printf("%sUnknown HPDS", SEP_STR); + sbuf_printf(sb, "%sUnknown HPDS", SEP_STR); break; } switch (ID_AA64MMFR1_VH(cpu_desc[cpu].id_aa64mmfr1)) { case ID_AA64MMFR1_VH_NONE: break; case ID_AA64MMFR1_VH_IMPL: - printf("%sVHE", SEP_STR); + sbuf_printf(sb, "%sVHE", SEP_STR); break; default: - printf("%sUnknown VHE", SEP_STR); + sbuf_printf(sb, "%sUnknown VHE", SEP_STR); break; } switch (ID_AA64MMFR1_VMIDBITS(cpu_desc[cpu].id_aa64mmfr1)) { case ID_AA64MMFR1_VMIDBITS_8: break; case ID_AA64MMFR1_VMIDBITS_16: - printf("%s16 VMID bits", SEP_STR); + sbuf_printf(sb, "%s16 VMID bits", SEP_STR); break; default: - printf("%sUnknown VMID bits", SEP_STR); + sbuf_printf(sb, "%sUnknown VMID bits", SEP_STR); break; } switch (ID_AA64MMFR1_HAFDBS(cpu_desc[cpu].id_aa64mmfr1)) { case ID_AA64MMFR1_HAFDBS_NONE: break; case ID_AA64MMFR1_HAFDBS_AF: - printf("%sAF", SEP_STR); + sbuf_printf(sb, "%sAF", SEP_STR); break; case ID_AA64MMFR1_HAFDBS_AF_DBS: - printf("%sAF+DBS", SEP_STR); + sbuf_printf(sb, "%sAF+DBS", SEP_STR); break; default: - printf("%sUnknown Hardware update AF/DBS", SEP_STR); + sbuf_printf(sb, "%sUnknown Hardware update AF/DBS", SEP_STR); break; } if ((cpu_desc[cpu].id_aa64mmfr1 & ~ID_AA64MMFR1_MASK) != 0) - printf("%s%#lx", SEP_STR, + sbuf_printf(sb, "%s%#lx", SEP_STR, cpu_desc[cpu].id_aa64mmfr1 & ~ID_AA64MMFR1_MASK); - printf(">\n"); + sbuf_finish(sb); + printf("%s>\n", sbuf_data(sb)); + sbuf_clear(sb); } /* AArch64 Memory Model Feature Register 2 */ if (cpu == 0 || (cpu_print_regs & PRINT_ID_AA64_MMFR2) != 0) { printed = 0; - printf(" Memory Model Features 2 = <"); + sbuf_printf(sb, " Memory Model Features 2 = <"); switch (ID_AA64MMFR2_NV(cpu_desc[cpu].id_aa64mmfr2)) { case ID_AA64MMFR2_NV_NONE: break; case ID_AA64MMFR2_NV_IMPL: - printf("%sNestedVirt", SEP_STR); + sbuf_printf(sb, "%sNestedVirt", SEP_STR); break; default: - printf("%sUnknown NestedVirt", SEP_STR); + sbuf_printf(sb, "%sUnknown NestedVirt", SEP_STR); break; } switch (ID_AA64MMFR2_CCIDX(cpu_desc[cpu].id_aa64mmfr2)) { case ID_AA64MMFR2_CCIDX_32: - printf("%s32b CCIDX", SEP_STR); + sbuf_printf(sb, "%s32b CCIDX", SEP_STR); break; case ID_AA64MMFR2_CCIDX_64: - printf("%s64b CCIDX", SEP_STR); + sbuf_printf(sb, "%s64b CCIDX", SEP_STR); break; default: - printf("%sUnknown CCIDX", SEP_STR); + sbuf_printf(sb, "%sUnknown CCIDX", SEP_STR); break; } switch (ID_AA64MMFR2_VA_RANGE(cpu_desc[cpu].id_aa64mmfr2)) { case ID_AA64MMFR2_VA_RANGE_48: - printf("%s48b VA", SEP_STR); + sbuf_printf(sb, "%s48b VA", SEP_STR); break; case ID_AA64MMFR2_VA_RANGE_52: - printf("%s52b VA", SEP_STR); + sbuf_printf(sb, "%s52b VA", SEP_STR); break; default: - printf("%sUnknown VA Range", SEP_STR); + sbuf_printf(sb, "%sUnknown VA Range", SEP_STR); break; } switch (ID_AA64MMFR2_IESB(cpu_desc[cpu].id_aa64mmfr2)) { case ID_AA64MMFR2_IESB_NONE: break; case ID_AA64MMFR2_IESB_IMPL: - printf("%sIESB", SEP_STR); + sbuf_printf(sb, "%sIESB", SEP_STR); break; default: - printf("%sUnknown IESB", SEP_STR); + sbuf_printf(sb, "%sUnknown IESB", SEP_STR); break; } switch (ID_AA64MMFR2_LSM(cpu_desc[cpu].id_aa64mmfr2)) { case ID_AA64MMFR2_LSM_NONE: break; case ID_AA64MMFR2_LSM_IMPL: - printf("%sLSM", SEP_STR); + sbuf_printf(sb, "%sLSM", SEP_STR); break; default: - printf("%sUnknown LSM", SEP_STR); + sbuf_printf(sb, "%sUnknown LSM", SEP_STR); break; } switch (ID_AA64MMFR2_UAO(cpu_desc[cpu].id_aa64mmfr2)) { case ID_AA64MMFR2_UAO_NONE: break; case ID_AA64MMFR2_UAO_IMPL: - printf("%sUAO", SEP_STR); + sbuf_printf(sb, "%sUAO", SEP_STR); break; default: - printf("%sUnknown UAO", SEP_STR); + sbuf_printf(sb, "%sUnknown UAO", SEP_STR); break; } switch (ID_AA64MMFR2_CNP(cpu_desc[cpu].id_aa64mmfr2)) { case ID_AA64MMFR2_CNP_NONE: break; case ID_AA64MMFR2_CNP_IMPL: - printf("%sCnP", SEP_STR); + sbuf_printf(sb, "%sCnP", SEP_STR); break; default: - printf("%sUnknown CnP", SEP_STR); + sbuf_printf(sb, "%sUnknown CnP", SEP_STR); break; } if ((cpu_desc[cpu].id_aa64mmfr2 & ~ID_AA64MMFR2_MASK) != 0) - printf("%s%#lx", SEP_STR, + sbuf_printf(sb, "%s%#lx", SEP_STR, cpu_desc[cpu].id_aa64mmfr2 & ~ID_AA64MMFR2_MASK); - printf(">\n"); + sbuf_finish(sb); + printf("%s>\n", sbuf_data(sb)); + sbuf_clear(sb); } /* AArch64 Debug Feature Register 0 */ if (cpu == 0 || (cpu_print_regs & PRINT_ID_AA64_DFR0) != 0) { printed = 0; - printf(" Debug Features 0 = <"); + sbuf_printf(sb, " Debug Features 0 = <"); switch(ID_AA64DFR0_PMS_VER(cpu_desc[cpu].id_aa64dfr0)) { case ID_AA64DFR0_PMS_VER_NONE: break; case ID_AA64DFR0_PMS_VER_V1: - printf("%sSPE v1", SEP_STR); + sbuf_printf(sb, "%sSPE v1", SEP_STR); break; default: - printf("%sUnknown SPE", SEP_STR); + sbuf_printf(sb, "%sUnknown SPE", SEP_STR); break; } - printf("%s%lu CTX Breakpoints", SEP_STR, + sbuf_printf(sb, "%s%lu CTX Breakpoints", SEP_STR, ID_AA64DFR0_CTX_CMPS(cpu_desc[cpu].id_aa64dfr0)); - printf("%s%lu Watchpoints", SEP_STR, + sbuf_printf(sb, "%s%lu Watchpoints", SEP_STR, ID_AA64DFR0_WRPS(cpu_desc[cpu].id_aa64dfr0)); - printf("%s%lu Breakpoints", SEP_STR, + sbuf_printf(sb, "%s%lu Breakpoints", SEP_STR, ID_AA64DFR0_BRPS(cpu_desc[cpu].id_aa64dfr0)); switch (ID_AA64DFR0_PMU_VER(cpu_desc[cpu].id_aa64dfr0)) { case ID_AA64DFR0_PMU_VER_NONE: break; case ID_AA64DFR0_PMU_VER_3: - printf("%sPMUv3", SEP_STR); + sbuf_printf(sb, "%sPMUv3", SEP_STR); break; case ID_AA64DFR0_PMU_VER_3_1: - printf("%sPMUv3+16 bit evtCount", SEP_STR); + sbuf_printf(sb, "%sPMUv3+16 bit evtCount", SEP_STR); break; case ID_AA64DFR0_PMU_VER_IMPL: - printf("%sImplementation defined PMU", SEP_STR); + sbuf_printf(sb, "%sImplementation defined PMU", SEP_STR); break; default: - printf("%sUnknown PMU", SEP_STR); + sbuf_printf(sb, "%sUnknown PMU", SEP_STR); break; } switch (ID_AA64DFR0_TRACE_VER(cpu_desc[cpu].id_aa64dfr0)) { case ID_AA64DFR0_TRACE_VER_NONE: break; case ID_AA64DFR0_TRACE_VER_IMPL: - printf("%sTrace", SEP_STR); + sbuf_printf(sb, "%sTrace", SEP_STR); break; default: - printf("%sUnknown Trace", SEP_STR); + sbuf_printf(sb, "%sUnknown Trace", SEP_STR); break; } switch (ID_AA64DFR0_DEBUG_VER(cpu_desc[cpu].id_aa64dfr0)) { case ID_AA64DFR0_DEBUG_VER_8: - printf("%sDebug v8", SEP_STR); + sbuf_printf(sb, "%sDebug v8", SEP_STR); break; case ID_AA64DFR0_DEBUG_VER_8_VHE: - printf("%sDebug v8+VHE", SEP_STR); + sbuf_printf(sb, "%sDebug v8+VHE", SEP_STR); break; case ID_AA64DFR0_DEBUG_VER_8_2: - printf("%sDebug v8.2", SEP_STR); + sbuf_printf(sb, "%sDebug v8.2", SEP_STR); break; default: - printf("%sUnknown Debug", SEP_STR); + sbuf_printf(sb, "%sUnknown Debug", SEP_STR); break; } if (cpu_desc[cpu].id_aa64dfr0 & ~ID_AA64DFR0_MASK) - printf("%s%#lx", SEP_STR, + sbuf_printf(sb, "%s%#lx", SEP_STR, cpu_desc[cpu].id_aa64dfr0 & ~ID_AA64DFR0_MASK); - printf(">\n"); + sbuf_finish(sb); + printf("%s>\n", sbuf_data(sb)); + sbuf_clear(sb); } /* AArch64 Memory Model Feature Register 1 */ if (cpu == 0 || (cpu_print_regs & PRINT_ID_AA64_DFR1) != 0) { printf(" Debug Features 1 = <%#lx>\n", cpu_desc[cpu].id_aa64dfr1); } /* AArch64 Auxiliary Feature Register 0 */ if (cpu == 0 || (cpu_print_regs & PRINT_ID_AA64_AFR0) != 0) { printf(" Auxiliary Features 0 = <%#lx>\n", cpu_desc[cpu].id_aa64afr0); } /* AArch64 Auxiliary Feature Register 1 */ if (cpu == 0 || (cpu_print_regs & PRINT_ID_AA64_AFR1) != 0) { printf(" Auxiliary Features 1 = <%#lx>\n", cpu_desc[cpu].id_aa64afr1); } + sbuf_delete(sb); + sb = NULL; #undef SEP_STR } void identify_cpu(void) { u_int midr; u_int impl_id; u_int part_id; u_int cpu; size_t i; const struct cpu_parts *cpu_partsp = NULL; cpu = PCPU_GET(cpuid); midr = get_midr(); /* * Store midr to pcpu to allow fast reading * from EL0, EL1 and assembly code. */ PCPU_SET(midr, midr); impl_id = CPU_IMPL(midr); for (i = 0; i < nitems(cpu_implementers); i++) { if (impl_id == cpu_implementers[i].impl_id || cpu_implementers[i].impl_id == 0) { cpu_desc[cpu].cpu_impl = impl_id; cpu_desc[cpu].cpu_impl_name = cpu_implementers[i].impl_name; cpu_partsp = cpu_implementers[i].cpu_parts; break; } } part_id = CPU_PART(midr); for (i = 0; &cpu_partsp[i] != NULL; i++) { if (part_id == cpu_partsp[i].part_id || cpu_partsp[i].part_id == 0) { cpu_desc[cpu].cpu_part_num = part_id; cpu_desc[cpu].cpu_part_name = cpu_partsp[i].part_name; break; } } cpu_desc[cpu].cpu_revision = CPU_REV(midr); cpu_desc[cpu].cpu_variant = CPU_VAR(midr); /* Save affinity for current CPU */ cpu_desc[cpu].mpidr = get_mpidr(); CPU_AFFINITY(cpu) = cpu_desc[cpu].mpidr & CPU_AFF_MASK; cpu_desc[cpu].id_aa64dfr0 = READ_SPECIALREG(ID_AA64DFR0_EL1); cpu_desc[cpu].id_aa64dfr1 = READ_SPECIALREG(ID_AA64DFR1_EL1); cpu_desc[cpu].id_aa64isar0 = READ_SPECIALREG(ID_AA64ISAR0_EL1); cpu_desc[cpu].id_aa64isar1 = READ_SPECIALREG(ID_AA64ISAR1_EL1); cpu_desc[cpu].id_aa64mmfr0 = READ_SPECIALREG(ID_AA64MMFR0_EL1); cpu_desc[cpu].id_aa64mmfr1 = READ_SPECIALREG(ID_AA64MMFR1_EL1); cpu_desc[cpu].id_aa64mmfr2 = READ_SPECIALREG(ID_AA64MMFR2_EL1); cpu_desc[cpu].id_aa64pfr0 = READ_SPECIALREG(ID_AA64PFR0_EL1); cpu_desc[cpu].id_aa64pfr1 = READ_SPECIALREG(ID_AA64PFR1_EL1); if (cpu != 0) { /* * This code must run on one cpu at a time, but we are * not scheduling on the current core so implement a * simple spinlock. */ while (atomic_cmpset_acq_int(&ident_lock, 0, 1) == 0) __asm __volatile("wfe" ::: "memory"); switch (cpu_aff_levels) { case 0: if (CPU_AFF0(cpu_desc[cpu].mpidr) != CPU_AFF0(cpu_desc[0].mpidr)) cpu_aff_levels = 1; /* FALLTHROUGH */ case 1: if (CPU_AFF1(cpu_desc[cpu].mpidr) != CPU_AFF1(cpu_desc[0].mpidr)) cpu_aff_levels = 2; /* FALLTHROUGH */ case 2: if (CPU_AFF2(cpu_desc[cpu].mpidr) != CPU_AFF2(cpu_desc[0].mpidr)) cpu_aff_levels = 3; /* FALLTHROUGH */ case 3: if (CPU_AFF3(cpu_desc[cpu].mpidr) != CPU_AFF3(cpu_desc[0].mpidr)) cpu_aff_levels = 4; break; } if (cpu_desc[cpu].id_aa64afr0 != cpu_desc[0].id_aa64afr0) cpu_print_regs |= PRINT_ID_AA64_AFR0; if (cpu_desc[cpu].id_aa64afr1 != cpu_desc[0].id_aa64afr1) cpu_print_regs |= PRINT_ID_AA64_AFR1; if (cpu_desc[cpu].id_aa64dfr0 != cpu_desc[0].id_aa64dfr0) cpu_print_regs |= PRINT_ID_AA64_DFR0; if (cpu_desc[cpu].id_aa64dfr1 != cpu_desc[0].id_aa64dfr1) cpu_print_regs |= PRINT_ID_AA64_DFR1; if (cpu_desc[cpu].id_aa64isar0 != cpu_desc[0].id_aa64isar0) cpu_print_regs |= PRINT_ID_AA64_ISAR0; if (cpu_desc[cpu].id_aa64isar1 != cpu_desc[0].id_aa64isar1) cpu_print_regs |= PRINT_ID_AA64_ISAR1; if (cpu_desc[cpu].id_aa64mmfr0 != cpu_desc[0].id_aa64mmfr0) cpu_print_regs |= PRINT_ID_AA64_MMFR0; if (cpu_desc[cpu].id_aa64mmfr1 != cpu_desc[0].id_aa64mmfr1) cpu_print_regs |= PRINT_ID_AA64_MMFR1; if (cpu_desc[cpu].id_aa64mmfr2 != cpu_desc[0].id_aa64mmfr2) cpu_print_regs |= PRINT_ID_AA64_MMFR2; if (cpu_desc[cpu].id_aa64pfr0 != cpu_desc[0].id_aa64pfr0) cpu_print_regs |= PRINT_ID_AA64_PFR0; if (cpu_desc[cpu].id_aa64pfr1 != cpu_desc[0].id_aa64pfr1) cpu_print_regs |= PRINT_ID_AA64_PFR1; /* Wake up the other CPUs */ atomic_store_rel_int(&ident_lock, 0); __asm __volatile("sev" ::: "memory"); } }