1# 2# Copyright OpenEmbedded Contributors 3# 4# SPDX-License-Identifier: MIT 5# 6 7# 8# This class contains functions for recipes that need QEMU or test for its 9# existence. 10# 11 12def qemu_target_binary(data): 13 package_arch = data.getVar("PACKAGE_ARCH") 14 qemu_target_binary = (data.getVar("QEMU_TARGET_BINARY_%s" % package_arch) or "") 15 if qemu_target_binary: 16 return qemu_target_binary 17 18 target_arch = data.getVar("TARGET_ARCH") 19 if target_arch in ("i486", "i586", "i686"): 20 target_arch = "i386" 21 elif target_arch == "powerpc": 22 target_arch = "ppc" 23 elif target_arch == "powerpc64": 24 target_arch = "ppc64" 25 elif target_arch == "powerpc64le": 26 target_arch = "ppc64le" 27 28 return "qemu-" + target_arch 29 30def qemu_wrapper_cmdline(data, rootfs_path, library_paths): 31 import string 32 33 qemu_binary = qemu_target_binary(data) 34 if qemu_binary == "qemu-allarch": 35 qemu_binary = "qemuwrapper" 36 37 qemu_options = data.getVar("QEMU_OPTIONS") or "" 38 39 return "PSEUDO_UNLOAD=1 " + qemu_binary + " " + qemu_options + " -L " + rootfs_path\ 40 + " -E LD_LIBRARY_PATH=" + ":".join(library_paths) + " " 41 42# Next function will return a string containing the command that is needed to 43# to run a certain binary through qemu. For example, in order to make a certain 44# postinstall scriptlet run at do_rootfs time and running the postinstall is 45# architecture dependent, we can run it through qemu. For example, in the 46# postinstall scriptlet, we could use the following: 47# 48# ${@qemu_run_binary(d, '$D', '/usr/bin/test_app')} [test_app arguments] 49# 50def qemu_run_binary(data, rootfs_path, binary): 51 libdir = rootfs_path + data.getVar("libdir", False) 52 base_libdir = rootfs_path + data.getVar("base_libdir", False) 53 54 return qemu_wrapper_cmdline(data, rootfs_path, [libdir, base_libdir]) + rootfs_path + binary 55 56# QEMU_EXTRAOPTIONS is not meant to be directly used, the extensions are 57# PACKAGE_ARCH, *NOT* overrides. 58# In some cases (e.g. ppc) simply being arch specific (apparently) isn't good 59# enough and a PACKAGE_ARCH specific -cpu option is needed (hence we have to do 60# this dance). For others (e.g. arm) a -cpu option is not necessary, since the 61# qemu-arm default CPU supports all required architecture levels. 62 63QEMU_OPTIONS = "-r ${OLDEST_KERNEL} ${@d.getVar("QEMU_EXTRAOPTIONS_%s" % d.getVar('PACKAGE_ARCH')) or ""}" 64QEMU_OPTIONS[vardeps] += "QEMU_EXTRAOPTIONS_${PACKAGE_ARCH}" 65 66QEMU_EXTRAOPTIONS_ppce500v2 = " -cpu e500v2" 67QEMU_EXTRAOPTIONS_ppce500mc = " -cpu e500mc" 68QEMU_EXTRAOPTIONS_ppce5500 = " -cpu e500mc" 69QEMU_EXTRAOPTIONS_ppc64e5500 = " -cpu e500mc" 70QEMU_EXTRAOPTIONS_ppce6500 = " -cpu e500mc" 71QEMU_EXTRAOPTIONS_ppc64e6500 = " -cpu e500mc" 72QEMU_EXTRAOPTIONS_ppc7400 = " -cpu 7400" 73QEMU_EXTRAOPTIONS_powerpc64le = " -cpu POWER9" 74# Some packages e.g. fwupd sets PACKAGE_ARCH = MACHINE_ARCH and uses meson which 75# needs right options to usermode qemu 76QEMU_EXTRAOPTIONS_qemuppc = " -cpu 7400" 77QEMU_EXTRAOPTIONS_qemuppc64 = " -cpu POWER9" 78