From owner-svn-src-stable-11@freebsd.org Tue Nov 14 16:03:10 2017 Return-Path: Delivered-To: svn-src-stable-11@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 5D6C3DD4DF2; Tue, 14 Nov 2017 16:03:10 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 24E0163D8D; Tue, 14 Nov 2017 16:03:10 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id vAEG39WL022350; Tue, 14 Nov 2017 16:03:09 GMT (envelope-from jhb@FreeBSD.org) Received: (from jhb@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id vAEG38qt022336; Tue, 14 Nov 2017 16:03:08 GMT (envelope-from jhb@FreeBSD.org) Message-Id: <201711141603.vAEG38qt022336@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: jhb set sender to jhb@FreeBSD.org using -f From: John Baldwin Date: Tue, 14 Nov 2017 16:03:08 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r325810 - in stable/11/sys: arm/arm arm/include arm64/include kern mips/include powerpc/include riscv/include sparc64/include sys x86/include X-SVN-Group: stable-11 X-SVN-Commit-Author: jhb X-SVN-Commit-Paths: in stable/11/sys: arm/arm arm/include arm64/include kern mips/include powerpc/include riscv/include sparc64/include sys x86/include X-SVN-Commit-Revision: 325810 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable-11@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: SVN commit messages for only the 11-stable src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 14 Nov 2017 16:03:10 -0000 Author: jhb Date: Tue Nov 14 16:03:07 2017 New Revision: 325810 URL: https://svnweb.freebsd.org/changeset/base/325810 Log: MFC 323580,323933,323934,324814,324817: Enable AT_HWCAP on arm. I reused the SV_HWCAP stub to cover the sv_hwcap2 field as well. 323580: Add AT_HWCAP flags for VFP settings for FreeBSD/arm. These flags match the meaning and value of flags in Linux, though Linux has many more flags. 323933: Correct HWCAP_VFP3* values to match Linux. 323934: Detect NEON and set HWCAP_NEON if present. 324814: Add AT_HWCAP2 ELF auxiliary vector. - allocate value for new AT_HWCAP2 auxiliary vector on all platforms. - expand 'struct sysentvec' by new 'u_long *sv_hwcap2', in exactly same way as for AT_HWCAP. 324817: Fullify implementation of AT_HWCAP and AT_HWCAP2 for ARMv6,7. This makes elf_aux_info(3) useable for ARM ports. Tested by: mmel Modified: stable/11/sys/arm/arm/cpuinfo.c stable/11/sys/arm/arm/elf_machdep.c stable/11/sys/arm/arm/vfp.c stable/11/sys/arm/include/elf.h stable/11/sys/arm/include/md_var.h stable/11/sys/arm/include/vfp.h stable/11/sys/arm64/include/elf.h stable/11/sys/kern/imgact_elf.c stable/11/sys/mips/include/elf.h stable/11/sys/powerpc/include/elf.h stable/11/sys/riscv/include/elf.h stable/11/sys/sparc64/include/elf.h stable/11/sys/sys/sysent.h stable/11/sys/x86/include/elf.h Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/arm/arm/cpuinfo.c ============================================================================== --- stable/11/sys/arm/arm/cpuinfo.c Tue Nov 14 16:00:21 2017 (r325809) +++ stable/11/sys/arm/arm/cpuinfo.c Tue Nov 14 16:03:07 2017 (r325810) @@ -33,6 +33,8 @@ __FBSDID("$FreeBSD$"); #include #include +#include +#include struct cpuinfo cpuinfo = { @@ -47,6 +49,9 @@ struct cpuinfo cpuinfo = void cpuinfo_init(void) { +#if __ARM_ARCH >= 6 + uint32_t tmp; +#endif cpuinfo.midr = cp15_midr_get(); /* Test old version id schemes first */ @@ -150,6 +155,47 @@ cpuinfo_init(void) } cpuinfo.dcache_line_mask = cpuinfo.dcache_line_size - 1; cpuinfo.icache_line_mask = cpuinfo.icache_line_size - 1; + + /* Fill AT_HWCAP bits. */ + elf_hwcap |= HWCAP_HALF | HWCAP_FAST_MULT; /* Requierd for all CPUs */ + elf_hwcap |= HWCAP_TLS | HWCAP_EDSP; /* Requierd for v6+ CPUs */ + + tmp = (cpuinfo.id_isar0 >> 24) & 0xF; /* Divide_instrs */ + if (tmp >= 1) + elf_hwcap |= HWCAP_IDIVT; + if (tmp >= 2) + elf_hwcap |= HWCAP_IDIVA; + + tmp = (cpuinfo.id_pfr0 >> 4) & 0xF; /* State1 */ + if (tmp >= 1) + elf_hwcap |= HWCAP_THUMB; + + tmp = (cpuinfo.id_pfr0 >> 12) & 0xF; /* State3 */ + if (tmp >= 1) + elf_hwcap |= HWCAP_THUMBEE; + + tmp = (cpuinfo.id_mmfr0 >> 0) & 0xF; /* VMSA */ + if (tmp >= 5) + elf_hwcap |= HWCAP_LPAE; + + /* Fill AT_HWCAP2 bits. */ + tmp = (cpuinfo.id_isar5 >> 4) & 0xF; /* AES */ + if (tmp >= 1) + elf_hwcap2 |= HWCAP2_AES; + if (tmp >= 2) + elf_hwcap2 |= HWCAP2_PMULL; + + tmp = (cpuinfo.id_isar5 >> 8) & 0xF; /* SHA1 */ + if (tmp >= 1) + elf_hwcap2 |= HWCAP2_SHA1; + + tmp = (cpuinfo.id_isar5 >> 12) & 0xF; /* SHA2 */ + if (tmp >= 1) + elf_hwcap2 |= HWCAP2_SHA2; + + tmp = (cpuinfo.id_isar5 >> 16) & 0xF; /* CRC32 */ + if (tmp >= 1) + elf_hwcap2 |= HWCAP2_CRC32; #endif } Modified: stable/11/sys/arm/arm/elf_machdep.c ============================================================================== --- stable/11/sys/arm/arm/elf_machdep.c Tue Nov 14 16:00:21 2017 (r325809) +++ stable/11/sys/arm/arm/elf_machdep.c Tue Nov 14 16:03:07 2017 (r325810) @@ -48,6 +48,9 @@ __FBSDID("$FreeBSD$"); static boolean_t elf32_arm_abi_supported(struct image_params *); +u_long elf_hwcap; +u_long elf_hwcap2; + struct sysentvec elf32_freebsd_sysvec = { .sv_size = SYS_MAXSYSCALL, .sv_table = sysent, @@ -77,7 +80,7 @@ struct sysentvec elf32_freebsd_sysvec = { #if __ARM_ARCH >= 6 SV_SHP | SV_TIMEKEEP | #endif - SV_ABI_FREEBSD | SV_ILP32, + SV_ABI_FREEBSD | SV_ILP32 | SV_HWCAP, .sv_set_syscall_retval = cpu_set_syscall_retval, .sv_fetch_syscall_args = cpu_fetch_syscall_args, .sv_syscallnames = syscallnames, @@ -86,6 +89,8 @@ struct sysentvec elf32_freebsd_sysvec = { .sv_schedtail = NULL, .sv_thread_detach = NULL, .sv_trap = NULL, + .sv_hwcap = &elf_hwcap, + .sv_hwcap2 = &elf_hwcap2, }; INIT_SYSENTVEC(elf32_sysvec, &elf32_freebsd_sysvec); Modified: stable/11/sys/arm/arm/vfp.c ============================================================================== --- stable/11/sys/arm/arm/vfp.c Tue Nov 14 16:00:21 2017 (r325809) +++ stable/11/sys/arm/arm/vfp.c Tue Nov 14 16:03:07 2017 (r325810) @@ -33,9 +33,11 @@ __FBSDID("$FreeBSD$"); #include #include #include +#include #include #include +#include #include #include #include @@ -115,6 +117,7 @@ vfp_init(void) vfp_exists = 1; is_d32 = 0; PCPU_SET(vfpsid, fpsid); /* save the fpsid */ + elf_hwcap |= HWCAP_VFP; vfp_arch = (fpsid & VFPSID_SUBVERSION2_MASK) >> VFPSID_SUBVERSION_OFF; @@ -122,9 +125,13 @@ vfp_init(void) if (vfp_arch >= VFP_ARCH3) { tmp = fmrx(mvfr0); PCPU_SET(vfpmvfr0, tmp); + elf_hwcap |= HWCAP_VFPv3; - if ((tmp & VMVFR0_RB_MASK) == 2) + if ((tmp & VMVFR0_RB_MASK) == 2) { + elf_hwcap |= HWCAP_VFPD32; is_d32 = 1; + } else + elf_hwcap |= HWCAP_VFPv3D16; tmp = fmrx(mvfr1); PCPU_SET(vfpmvfr1, tmp); @@ -137,6 +144,13 @@ vfp_init(void) initial_fpscr; } } + + if ((tmp & VMVFR1_LS_MASK) >> VMVFR1_LS_OFF == 1 && + (tmp & VMVFR1_I_MASK) >> VMVFR1_I_OFF == 1 && + (tmp & VMVFR1_SP_MASK) >> VMVFR1_SP_OFF == 1) + elf_hwcap |= HWCAP_NEON; + if ((tmp & VMVFR1_FMAC_MASK) >> VMVFR1_FMAC_OFF == 1) + elf_hwcap |= HWCAP_VFPv4; } /* initialize the coprocess 10 and 11 calls Modified: stable/11/sys/arm/include/elf.h ============================================================================== --- stable/11/sys/arm/include/elf.h Tue Nov 14 16:00:21 2017 (r325809) +++ stable/11/sys/arm/include/elf.h Tue Nov 14 16:03:07 2017 (r325810) @@ -86,8 +86,9 @@ __ElfType(Auxinfo); #define AT_STACKPROT 23 /* Initial stack protection. */ #define AT_EHDRFLAGS 24 /* e_flags field from elf hdr */ #define AT_HWCAP 25 /* CPU feature flags. */ +#define AT_HWCAP2 26 /* CPU feature flags 2. */ -#define AT_COUNT 26 /* Count of defined aux entry types. */ +#define AT_COUNT 27 /* Count of defined aux entry types. */ #define R_ARM_COUNT 33 /* Count of defined relocation types. */ @@ -114,5 +115,38 @@ __ElfType(Auxinfo); #define MAGIC_TRAMP_NUMBER 0x5c000003 #define ET_DYN_LOAD_ADDR 0x12000 + +/* Flags passed in AT_HWCAP. */ +#define HWCAP_SWP 0x00000001 /* Unsupported, never set. */ +#define HWCAP_HALF 0x00000002 /* Always set. */ +#define HWCAP_THUMB 0x00000004 +#define HWCAP_26BIT 0x00000008 /* Unsupported, never set. */ +#define HWCAP_FAST_MULT 0x00000010 /* Always set. */ +#define HWCAP_FPA 0x00000020 /* Unsupported, never set. */ +#define HWCAP_VFP 0x00000040 +#define HWCAP_EDSP 0x00000080 /* Always set for ARMv6+. */ +#define HWCAP_JAVA 0x00000100 /* Unsupported, never set. */ +#define HWCAP_IWMMXT 0x00000200 /* Unsupported, never set. */ +#define HWCAP_CRUNCH 0x00000400 /* Unsupported, never set. */ +#define HWCAP_THUMBEE 0x00000800 +#define HWCAP_NEON 0x00001000 +#define HWCAP_VFPv3 0x00002000 +#define HWCAP_VFPv3D16 0x00004000 +#define HWCAP_TLS 0x00008000 /* Always set for ARMv6+. */ +#define HWCAP_VFPv4 0x00010000 +#define HWCAP_IDIVA 0x00020000 +#define HWCAP_IDIVT 0x00040000 +#define HWCAP_VFPD32 0x00080000 +#define HWCAP_IDIV (HWCAP_IDIVA | HWCAP_IDIVT) +#define HWCAP_LPAE 0x00100000 +#define HWCAP_EVTSTRM 0x00200000 /* Not implemented yet. */ + + +/* Flags passed in AT_HWCAP2. */ +#define HWCAP2_AES 0x00000001 +#define HWCAP2_PMULL 0x00000002 +#define HWCAP2_SHA1 0x00000004 +#define HWCAP2_SHA2 0x00000008 +#define HWCAP2_CRC32 0x00000010 #endif /* !_MACHINE_ELF_H_ */ Modified: stable/11/sys/arm/include/md_var.h ============================================================================== --- stable/11/sys/arm/include/md_var.h Tue Nov 14 16:00:21 2017 (r325809) +++ stable/11/sys/arm/include/md_var.h Tue Nov 14 16:03:07 2017 (r325810) @@ -38,6 +38,8 @@ extern char sigcode[]; extern int szsigcode; extern uint32_t *vm_page_dump; extern int vm_page_dump_size; +extern u_long elf_hwcap; +extern u_long elf_hwcap2; extern int (*_arm_memcpy)(void *, void *, int, int); extern int (*_arm_bzero)(void *, int, int); Modified: stable/11/sys/arm/include/vfp.h ============================================================================== --- stable/11/sys/arm/include/vfp.h Tue Nov 14 16:00:21 2017 (r325809) +++ stable/11/sys/arm/include/vfp.h Tue Nov 14 16:03:07 2017 (r325810) @@ -119,6 +119,12 @@ #define VMVFR0_RB_MASK (0x0000000f) /* VFP 64 bit media support */ /* VMVFR1 */ +#define VMVFR1_FMAC_OFF 28 +#define VMVFR1_FMAC_MASK (0xf0000000) /* Neon FMAC support */ +#define VMVFR1_VFP_HP_OFF 24 +#define VMVFR1_VFP_HP_MASK (0x0f000000) /* VFP half prec support */ +#define VMVFR1_HP_OFF 20 +#define VMVFR1_HP_MASK (0x00f00000) /* Neon half prec support */ #define VMVFR1_SP_OFF 16 #define VMVFR1_SP_MASK (0x000f0000) /* Neon single prec support */ #define VMVFR1_I_OFF 12 Modified: stable/11/sys/arm64/include/elf.h ============================================================================== --- stable/11/sys/arm64/include/elf.h Tue Nov 14 16:00:21 2017 (r325809) +++ stable/11/sys/arm64/include/elf.h Tue Nov 14 16:03:07 2017 (r325810) @@ -92,8 +92,9 @@ __ElfType(Auxinfo); #define AT_STACKPROT 23 /* Initial stack protection. */ #define AT_EHDRFLAGS 24 /* e_flags field from elf hdr */ #define AT_HWCAP 25 /* CPU feature flags. */ +#define AT_HWCAP2 26 /* CPU feature flags 2. */ -#define AT_COUNT 26 /* Count of defined aux entry types. */ +#define AT_COUNT 27 /* Count of defined aux entry types. */ /* Define "machine" characteristics */ #define ELF_TARG_CLASS ELFCLASS64 Modified: stable/11/sys/kern/imgact_elf.c ============================================================================== --- stable/11/sys/kern/imgact_elf.c Tue Nov 14 16:00:21 2017 (r325809) +++ stable/11/sys/kern/imgact_elf.c Tue Nov 14 16:03:07 2017 (r325810) @@ -1133,9 +1133,12 @@ __elfN(freebsd_fixup)(register_t **stack_base, struct AUXARGS_ENTRY(pos, AT_STACKPROT, imgp->sysent->sv_shared_page_obj != NULL && imgp->stack_prot != 0 ? imgp->stack_prot : imgp->sysent->sv_stackprot); - if ((imgp->sysent->sv_flags & SV_HWCAP) != 0 && - imgp->sysent->sv_hwcap != NULL) - AUXARGS_ENTRY(pos, AT_HWCAP, *imgp->sysent->sv_hwcap); + if ((imgp->sysent->sv_flags & SV_HWCAP) != 0) { + if (imgp->sysent->sv_hwcap != NULL) + AUXARGS_ENTRY(pos, AT_HWCAP, *imgp->sysent->sv_hwcap); + if (imgp->sysent->sv_hwcap2 != NULL) + AUXARGS_ENTRY(pos, AT_HWCAP2, *imgp->sysent->sv_hwcap2); + } AUXARGS_ENTRY(pos, AT_NULL, 0); free(imgp->auxargs, M_TEMP); Modified: stable/11/sys/mips/include/elf.h ============================================================================== --- stable/11/sys/mips/include/elf.h Tue Nov 14 16:00:21 2017 (r325809) +++ stable/11/sys/mips/include/elf.h Tue Nov 14 16:03:07 2017 (r325810) @@ -146,8 +146,9 @@ __ElfType(Auxinfo); #define AT_STACKPROT 23 /* Initial stack protection. */ #define AT_EHDRFLAGS 24 /* e_flags field from elf hdr */ #define AT_HWCAP 25 /* CPU feature flags. */ +#define AT_HWCAP2 26 /* CPU feature flags 2. */ -#define AT_COUNT 26 /* Count of defined aux entry types. */ +#define AT_COUNT 27 /* Count of defined aux entry types. */ #define ET_DYN_LOAD_ADDR 0x0120000 Modified: stable/11/sys/powerpc/include/elf.h ============================================================================== --- stable/11/sys/powerpc/include/elf.h Tue Nov 14 16:00:21 2017 (r325809) +++ stable/11/sys/powerpc/include/elf.h Tue Nov 14 16:03:07 2017 (r325810) @@ -109,8 +109,9 @@ __ElfType(Auxinfo); #define AT_TIMEKEEP 22 /* Pointer to timehands. */ #define AT_EHDRFLAGS 24 /* e_flags field from elf hdr */ #define AT_HWCAP 25 /* CPU feature flags. */ +#define AT_HWCAP2 26 /* CPU feature flags 2. */ -#define AT_COUNT 26 /* Count of defined aux entry types. */ +#define AT_COUNT 27 /* Count of defined aux entry types. */ /* * Relocation types. Modified: stable/11/sys/riscv/include/elf.h ============================================================================== --- stable/11/sys/riscv/include/elf.h Tue Nov 14 16:00:21 2017 (r325809) +++ stable/11/sys/riscv/include/elf.h Tue Nov 14 16:03:07 2017 (r325810) @@ -92,8 +92,9 @@ __ElfType(Auxinfo); #define AT_STACKPROT 23 /* Initial stack protection. */ #define AT_EHDRFLAGS 24 /* e_flags field from elf hdr */ #define AT_HWCAP 25 /* CPU feature flags. */ +#define AT_HWCAP2 26 /* CPU feature flags 2. */ -#define AT_COUNT 26 /* Count of defined aux entry types. */ +#define AT_COUNT 27 /* Count of defined aux entry types. */ /* Define "machine" characteristics */ #define ELF_TARG_CLASS ELFCLASS64 Modified: stable/11/sys/sparc64/include/elf.h ============================================================================== --- stable/11/sys/sparc64/include/elf.h Tue Nov 14 16:00:21 2017 (r325809) +++ stable/11/sys/sparc64/include/elf.h Tue Nov 14 16:03:07 2017 (r325810) @@ -94,8 +94,9 @@ __ElfType(Auxinfo); #define AT_STACKPROT 23 /* Initial stack protection. */ #define AT_EHDRFLAGS 24 /* e_flags field from elf hdr */ #define AT_HWCAP 25 /* CPU feature flags. */ +#define AT_HWCAP2 26 /* CPU feature flags 2. */ -#define AT_COUNT 26 /* Count of defined aux entry types. */ +#define AT_COUNT 27 /* Count of defined aux entry types. */ /* Define "machine" characteristics */ #if __ELF_WORD_SIZE == 32 Modified: stable/11/sys/sys/sysent.h ============================================================================== --- stable/11/sys/sys/sysent.h Tue Nov 14 16:00:21 2017 (r325809) +++ stable/11/sys/sys/sysent.h Tue Nov 14 16:03:07 2017 (r325810) @@ -130,6 +130,7 @@ struct sysentvec { void (*sv_thread_detach)(struct thread *); int (*sv_trap)(struct thread *); u_long *sv_hwcap; /* Value passed in AT_HWCAP. */ + u_long *sv_hwcap2; /* Value passed in AT_HWCAP2. */ }; #define SV_ILP32 0x000100 /* 32-bit executable. */ Modified: stable/11/sys/x86/include/elf.h ============================================================================== --- stable/11/sys/x86/include/elf.h Tue Nov 14 16:00:21 2017 (r325809) +++ stable/11/sys/x86/include/elf.h Tue Nov 14 16:03:07 2017 (r325810) @@ -102,8 +102,9 @@ __ElfType(Auxinfo); #define AT_STACKPROT 23 /* Initial stack protection. */ #define AT_EHDRFLAGS 24 /* e_flags field from elf hdr */ #define AT_HWCAP 25 /* CPU feature flags. */ +#define AT_HWCAP2 26 /* CPU feature flags 2. */ -#define AT_COUNT 26 /* Count of defined aux entry types. */ +#define AT_COUNT 27 /* Count of defined aux entry types. */ /* * Relocation types. @@ -189,8 +190,9 @@ __ElfType(Auxinfo); #define AT_STACKPROT 23 /* Initial stack protection. */ #define AT_EHDRFLAGS 24 /* e_flags field from elf hdr */ #define AT_HWCAP 25 /* CPU feature flags. */ +#define AT_HWCAP2 26 /* CPU feature flags 2. */ -#define AT_COUNT 26 /* Count of defined aux entry types. */ +#define AT_COUNT 27 /* Count of defined aux entry types. */ /* * Relocation types.