883d19ccf9
Implement the extended HW capabilities for HWCAP2. Signed-off-by: Kyle Evans <kevans@FreeBSD.org> Signed-off-by: Warner Losh <imp@bsdimp.com> Reviewed-by: Kyle Evans <kevans@FreeBSD.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
129 lines
4.0 KiB
C
129 lines
4.0 KiB
C
/*
|
|
* 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 <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#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 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)
|
|
|
|
#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,
|
|
};
|
|
|
|
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);
|
|
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;
|
|
}
|
|
|
|
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
|
|
|
|
#endif /* _TARGET_ARCH_ELF_H_ */
|