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path: root/meta/lib/oe/elf.py
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#
# SPDX-License-Identifier: GPL-2.0-only
#

def machine_dict(d):
#           TARGET_OS  TARGET_ARCH   MACHINE, OSABI, ABIVERSION, Little Endian, 32bit?
    machdata = {
            "darwin9" : { 
                        "arm" :       (40,     0,    0,          True,          32),
                      },
            "eabi" : {
                        "arm" :       (40,     0,    0,          True,          32),
                      },
            "elf" : {
                        "aarch64" :   (183,    0,    0,          True,          64),
                        "aarch64_be" :(183,    0,    0,          False,         64),
                        "i586" :      (3,      0,    0,          True,          32),
                        "x86_64":     (62,     0,    0,          True,          64),
                        "epiphany":   (4643,   0,    0,          True,          32),
                        "lm32":       (138,    0,    0,          False,         32),
                        "mips":       ( 8,     0,    0,          False,         32),
                        "mipsel":     ( 8,     0,    0,          True,          32),
                        "microblaze":  (189,   0,    0,          False,         32),
                        "microblazeeb":(189,   0,    0,          False,         32),
                        "microblazeel":(189,   0,    0,          True,          32),
                        "powerpc":    (20,     0,    0,          False,         32),
                        "riscv32":    (243,    0,    0,          True,          32),
                        "riscv64":    (243,    0,    0,          True,          64),
                      },
            "linux" : { 
                        "aarch64" :   (183,    0,    0,          True,          64),
                        "aarch64_be" :(183,    0,    0,          False,         64),
                        "arm" :       (40,    97,    0,          True,          32),
                        "armeb":      (40,    97,    0,          False,         32),
                        "powerpc":    (20,     0,    0,          False,         32),
                        "powerpc64":  (21,     0,    0,          False,         64),
                        "i386":       ( 3,     0,    0,          True,          32),
                        "i486":       ( 3,     0,    0,          True,          32),
                        "i586":       ( 3,     0,    0,          True,          32),
                        "i686":       ( 3,     0,    0,          True,          32),
                        "x86_64":     (62,     0,    0,          True,          64),
                        "ia64":       (50,     0,    0,          True,          64),
                        "alpha":      (36902,  0,    0,          True,          64),
                        "hppa":       (15,     3,    0,          False,         32),
                        "m68k":       ( 4,     0,    0,          False,         32),
                        "mips":       ( 8,     0,    0,          False,         32),
                        "mipsel":     ( 8,     0,    0,          True,          32),
                        "mips64":     ( 8,     0,    0,          False,         64),
                        "mips64el":   ( 8,     0,    0,          True,          64),
                        "mipsisa32r6":   ( 8,  0,    0,          False,         32),
                        "mipsisa32r6el": ( 8,  0,    0,          True,          32),
                        "mipsisa64r6":   ( 8,  0,    0,          False,         64),
                        "mipsisa64r6el": ( 8,  0,    0,          True,          64),
                        "nios2":      (113,    0,    0,          True,          32),
                        "riscv32":    (243,    0,    0,          True,          32),
                        "riscv64":    (243,    0,    0,          True,          64),
                        "s390":       (22,     0,    0,          False,         32),
                        "sh4":        (42,     0,    0,          True,          32),
                        "sparc":      ( 2,     0,    0,          False,         32),
                        "microblaze":  (189,   0,    0,          False,         32),
                        "microblazeeb":(189,   0,    0,          False,         32),
                        "microblazeel":(189,   0,    0,          True,          32),
                      },
            "linux-musl" : { 
                        "aarch64" :   (183,    0,    0,            True,          64),
                        "aarch64_be" :(183,    0,    0,            False,         64),
                        "arm" :       (  40,    97,    0,          True,          32),
                        "armeb":      (  40,    97,    0,          False,         32),
                        "powerpc":    (  20,     0,    0,          False,         32),
                        "powerpc64":  (  21,     0,    0,          False,         64),
                        "i386":       (   3,     0,    0,          True,          32),
                        "i486":       (   3,     0,    0,          True,          32),
                        "i586":       (   3,     0,    0,          True,          32),
                        "i686":       (   3,     0,    0,          True,          32),
                        "x86_64":     (  62,     0,    0,          True,          64),
                        "mips":       (   8,     0,    0,          False,         32),
                        "mipsel":     (   8,     0,    0,          True,          32),
                        "mips64":     (   8,     0,    0,          False,         64),
                        "mips64el":   (   8,     0,    0,          True,          64),
                        "microblaze":  (189,     0,    0,          False,         32),
                        "microblazeeb":(189,     0,    0,          False,         32),
                        "microblazeel":(189,     0,    0,          True,          32),
                        "riscv32":    (243,      0,    0,          True,          32),
                        "riscv64":    (243,      0,    0,          True,          64),
                        "sh4":        (  42,     0,    0,          True,          32),
                      },
            "uclinux-uclibc" : {
                        "bfin":       ( 106,     0,    0,          True,         32),
                      }, 
            "linux-gnueabi" : {
                        "arm" :       (40,     0,    0,          True,          32),
                        "armeb" :     (40,     0,    0,          False,         32),
                      },
            "linux-musleabi" : {
                        "arm" :       (40,     0,    0,          True,          32),
                        "armeb" :     (40,     0,    0,          False,         32),
                      },
            "linux-gnuspe" : {
                        "powerpc":    (20,     0,    0,          False,         32),
                      },
            "linux-muslspe" : {
                        "powerpc":    (20,     0,    0,          False,         32),
                      },
            "linux-gnu" :       {
                        "powerpc":    (20,     0,    0,          False,         32),
                        "sh4":        (42,     0,    0,          True,          32),
                      },
            "linux-gnu_ilp32" :     {
                        "aarch64" :   (183,    0,    0,          True,          32),
                      },
            "linux-gnux32" :       {
                        "x86_64":     (62,     0,    0,          True,          32),
                      },
            "linux-muslx32" :       {
                        "x86_64":     (62,     0,    0,          True,          32),
                      },
            "linux-gnun32" :       {
                        "mips64":       ( 8,     0,    0,          False,         32),
                        "mips64el":     ( 8,     0,    0,          True,          32),
                        "mipsisa64r6":  ( 8,     0,    0,          False,         32),
                        "mipsisa64r6el":( 8,     0,    0,          True,          32),
                      },
        }

    # Add in any extra user supplied data which may come from a BSP layer, removing the
    # need to always change this class directly
    extra_machdata = (d and d.getVar("PACKAGEQA_EXTRA_MACHDEFFUNCS" or None) or "").split()
    for m in extra_machdata:
        call = m + "(machdata, d)"
        locs = { "machdata" : machdata, "d" : d}
        machdata = bb.utils.better_eval(call, locs)

    return machdata
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TUNEVALID[thumb] = "Use thumb instructions instead of ARM"
ARM_THUMB_OPT = "${@['arm', 'thumb'][d.getVar('ARM_INSTRUCTION_SET', True) == 'thumb']}"
ARM_THUMB_SUFFIX .= "${@bb.utils.contains('TUNE_FEATURES', 'armv4',  't',  '', d)}"
ARM_THUMB_SUFFIX .= "${@bb.utils.contains('TUNE_FEATURES', 'armv5',  't',  '', d)}"
ARM_THUMB_SUFFIX .= "${@bb.utils.contains('TUNE_FEATURES', 'armv6',  't',  '', d)}"
ARM_THUMB_SUFFIX .= "${@bb.utils.contains('TUNE_FEATURES', 'armv7a', 't2', '', d)}"
ARM_THUMB_SUFFIX .= "${@bb.utils.contains('TUNE_FEATURES', 'armv7r', 't2', '', d)}"
ARM_THUMB_SUFFIX .= "${@bb.utils.contains('TUNE_FEATURES', 'armv7m', 't2', '', d)}"
ARM_THUMB_SUFFIX .= "${@bb.utils.contains('TUNE_FEATURES', 'armv7ve', 't2', '', d)}"

# If the device supports ARM, then respect ARM_THUMB_OPT (which can be "arm" or "thumb")
# If the defice doesn't support ARM, then always set "thumb" even when
# some recipe explicitly sets ARM_INSTRUCTION_SET to "arm"
ARM_M_OPT = "${@bb.utils.contains('TUNE_FEATURES', 'arm', '${ARM_THUMB_OPT}', 'thumb', d)}"
python () {
    if bb.utils.contains('TUNE_FEATURES', 'thumb', 'False', 'True', d):
        return
    selected = d.getVar('ARM_INSTRUCTION_SET', True)
    if selected == None:
        return
    used = d.getVar('ARM_M_OPT', True)
    if selected != used:
        pn = d.getVar('PN', True)
        bb.warn("Recipe '%s' selects ARM_INSTRUCTION_SET to be '%s', but tune configuration overrides it to '%s'" % (pn, selected, used))
}

TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'thumb', ' -m${ARM_M_OPT}', '', d)}"

# Add suffix from ARM_THUMB_SUFFIX only if after all this we still set ARM_M_OPT to thumb
ARMPKGSFX_THUMB .= "${@bb.utils.contains('TUNE_FEATURES', 'thumb', '${ARM_THUMB_SUFFIX}', '', d) if d.getVar('ARM_M_OPT', True) == 'thumb' else ''}"

# what about armv7m devices which don't support -marm (e.g. Cortex-M3)?
TARGET_CC_KERNEL_ARCH += "${@bb.utils.contains('TUNE_FEATURES', 'thumb', '-mno-thumb-interwork -marm', '', d)}"
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-05-23 13:56:23 +0000