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