From 082e65314b807c8b5a5a52e15eb0797765029568 Mon Sep 17 00:00:00 2001 From: Warner Losh Date: Thu, 23 Sep 2021 14:34:56 -0600 Subject: bsd-user/arm/target_arch_elf.h: arm defines for ELF Basic set of defines needed for arm ELF file activation. Signed-off-by: Stacey Son Signed-off-by: Warner Losh Reviewed-by: Kyle Evans Reviewed-by: Richard Henderson --- bsd-user/arm/target_arch_elf.h | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 bsd-user/arm/target_arch_elf.h (limited to 'bsd-user/arm/target_arch_elf.h') diff --git a/bsd-user/arm/target_arch_elf.h b/bsd-user/arm/target_arch_elf.h new file mode 100644 index 0000000000..15b5c66511 --- /dev/null +++ b/bsd-user/arm/target_arch_elf.h @@ -0,0 +1,36 @@ +/* + * arm ELF definitions + * + * Copyright (c) 2013 Stacey D. Son + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + */ +#ifndef _TARGET_ARCH_ELF_H_ +#define _TARGET_ARCH_ELF_H_ + +#define ELF_START_MMAP 0x80000000 +#define ELF_ET_DYN_LOAD_ADDR 0x500000 + +#define elf_check_arch(x) ((x) == EM_ARM) + +#define ELF_CLASS ELFCLASS32 +#define ELF_DATA ELFDATA2LSB +#define ELF_ARCH EM_ARM + +#define USE_ELF_CORE_DUMP +#define ELF_EXEC_PAGESIZE 4096 + +#define ELF_HWCAP 0 + +#endif /* _TARGET_ARCH_ELF_H_ */ -- cgit v1.2.3-55-g7522 From 6c5d60fa78d90ba7308b021fd0d33d88475410c5 Mon Sep 17 00:00:00 2001 From: Warner Losh Date: Thu, 23 Sep 2021 14:42:42 -0600 Subject: bsd-user/arm/target_arch_elf.h: arm get hwcap Implement get_elf_hwcap to get the first word of hardware capabilities. Signed-off-by: Kyle Evans Signed-off-by: Stacey Son Signed-off-by: Warner Losh Reviewed-by: Kyle Evans Reviewed-by: Richard Henderson --- bsd-user/arm/target_arch_elf.h | 72 +++++++++++++++++++++++++++++++++++++++++- 1 file changed, 71 insertions(+), 1 deletion(-) (limited to 'bsd-user/arm/target_arch_elf.h') diff --git a/bsd-user/arm/target_arch_elf.h b/bsd-user/arm/target_arch_elf.h index 15b5c66511..02d25b8926 100644 --- a/bsd-user/arm/target_arch_elf.h +++ b/bsd-user/arm/target_arch_elf.h @@ -31,6 +31,76 @@ #define USE_ELF_CORE_DUMP #define ELF_EXEC_PAGESIZE 4096 -#define ELF_HWCAP 0 +#define ELF_HWCAP get_elf_hwcap() + +#define GET_FEATURE(feat, hwcap) \ + do { if (arm_feature(&cpu->env, feat)) { hwcaps |= hwcap; } } while (0) + +#define GET_FEATURE_ID(feat, hwcap) \ + do { if (cpu_isar_feature(feat, cpu)) { hwcaps |= hwcap; } } while (0) + +enum { + ARM_HWCAP_ARM_SWP = 1 << 0, + ARM_HWCAP_ARM_HALF = 1 << 1, + ARM_HWCAP_ARM_THUMB = 1 << 2, + ARM_HWCAP_ARM_26BIT = 1 << 3, + ARM_HWCAP_ARM_FAST_MULT = 1 << 4, + ARM_HWCAP_ARM_FPA = 1 << 5, + ARM_HWCAP_ARM_VFP = 1 << 6, + ARM_HWCAP_ARM_EDSP = 1 << 7, + ARM_HWCAP_ARM_JAVA = 1 << 8, + ARM_HWCAP_ARM_IWMMXT = 1 << 9, + ARM_HWCAP_ARM_CRUNCH = 1 << 10, + ARM_HWCAP_ARM_THUMBEE = 1 << 11, + ARM_HWCAP_ARM_NEON = 1 << 12, + ARM_HWCAP_ARM_VFPv3 = 1 << 13, + ARM_HWCAP_ARM_VFPv3D16 = 1 << 14, + ARM_HWCAP_ARM_TLS = 1 << 15, + ARM_HWCAP_ARM_VFPv4 = 1 << 16, + ARM_HWCAP_ARM_IDIVA = 1 << 17, + ARM_HWCAP_ARM_IDIVT = 1 << 18, + ARM_HWCAP_ARM_VFPD32 = 1 << 19, + ARM_HWCAP_ARM_LPAE = 1 << 20, + ARM_HWCAP_ARM_EVTSTRM = 1 << 21, +}; + +static uint32_t get_elf_hwcap(void) +{ + ARMCPU *cpu = ARM_CPU(thread_cpu); + uint32_t hwcaps = 0; + + hwcaps |= ARM_HWCAP_ARM_SWP; + hwcaps |= ARM_HWCAP_ARM_HALF; + hwcaps |= ARM_HWCAP_ARM_THUMB; + hwcaps |= ARM_HWCAP_ARM_FAST_MULT; + + /* probe for the extra features */ + /* EDSP is in v5TE and above */ + GET_FEATURE(ARM_FEATURE_V5, ARM_HWCAP_ARM_EDSP); + GET_FEATURE(ARM_FEATURE_IWMMXT, ARM_HWCAP_ARM_IWMMXT); + GET_FEATURE(ARM_FEATURE_THUMB2EE, ARM_HWCAP_ARM_THUMBEE); + GET_FEATURE(ARM_FEATURE_NEON, ARM_HWCAP_ARM_NEON); + GET_FEATURE(ARM_FEATURE_V6K, ARM_HWCAP_ARM_TLS); + GET_FEATURE(ARM_FEATURE_LPAE, ARM_HWCAP_ARM_LPAE); + GET_FEATURE_ID(aa32_arm_div, ARM_HWCAP_ARM_IDIVA); + GET_FEATURE_ID(aa32_thumb_div, ARM_HWCAP_ARM_IDIVT); + GET_FEATURE_ID(aa32_vfp, ARM_HWCAP_ARM_VFP); + + if (cpu_isar_feature(aa32_fpsp_v3, cpu) || + cpu_isar_feature(aa32_fpdp_v3, cpu)) { + hwcaps |= ARM_HWCAP_ARM_VFPv3; + if (cpu_isar_feature(aa32_simd_r32, cpu)) { + hwcaps |= ARM_HWCAP_ARM_VFPD32; + } else { + hwcaps |= ARM_HWCAP_ARM_VFPv3D16; + } + } + GET_FEATURE_ID(aa32_simdfmac, ARM_HWCAP_ARM_VFPv4); + + return hwcaps; +} + +#undef GET_FEATURE +#undef GET_FEATURE_ID #endif /* _TARGET_ARCH_ELF_H_ */ -- cgit v1.2.3-55-g7522 From 883d19ccf92d66fcfb72bd1b744cc8a61552419a Mon Sep 17 00:00:00 2001 From: Warner Losh Date: Thu, 23 Sep 2021 14:48:18 -0600 Subject: bsd-user/arm/target_arch_elf.h: arm get_hwcap2 impl Implement the extended HW capabilities for HWCAP2. Signed-off-by: Kyle Evans Signed-off-by: Warner Losh Reviewed-by: Kyle Evans Reviewed-by: Richard Henderson --- bsd-user/arm/target_arch_elf.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'bsd-user/arm/target_arch_elf.h') diff --git a/bsd-user/arm/target_arch_elf.h b/bsd-user/arm/target_arch_elf.h index 02d25b8926..4a0215d02e 100644 --- a/bsd-user/arm/target_arch_elf.h +++ b/bsd-user/arm/target_arch_elf.h @@ -32,6 +32,7 @@ #define ELF_EXEC_PAGESIZE 4096 #define ELF_HWCAP get_elf_hwcap() +#define ELF_HWCAP2 get_elf_hwcap2() #define GET_FEATURE(feat, hwcap) \ do { if (arm_feature(&cpu->env, feat)) { hwcaps |= hwcap; } } while (0) @@ -64,6 +65,14 @@ enum { ARM_HWCAP_ARM_EVTSTRM = 1 << 21, }; +enum { + ARM_HWCAP2_ARM_AES = 1 << 0, + ARM_HWCAP2_ARM_PMULL = 1 << 1, + ARM_HWCAP2_ARM_SHA1 = 1 << 2, + ARM_HWCAP2_ARM_SHA2 = 1 << 3, + ARM_HWCAP2_ARM_CRC32 = 1 << 4, +}; + static uint32_t get_elf_hwcap(void) { ARMCPU *cpu = ARM_CPU(thread_cpu); @@ -100,6 +109,19 @@ static uint32_t get_elf_hwcap(void) return hwcaps; } +static uint32_t get_elf_hwcap2(void) +{ + ARMCPU *cpu = ARM_CPU(thread_cpu); + uint32_t hwcaps = 0; + + GET_FEATURE_ID(aa32_aes, ARM_HWCAP2_ARM_AES); + GET_FEATURE_ID(aa32_pmull, ARM_HWCAP2_ARM_PMULL); + GET_FEATURE_ID(aa32_sha1, ARM_HWCAP2_ARM_SHA1); + GET_FEATURE_ID(aa32_sha2, ARM_HWCAP2_ARM_SHA2); + GET_FEATURE_ID(aa32_crc32, ARM_HWCAP2_ARM_CRC32); + return hwcaps; +} + #undef GET_FEATURE #undef GET_FEATURE_ID -- cgit v1.2.3-55-g7522