diff options
Diffstat (limited to 'yocto-poky/meta/classes/qemu.bbclass')
-rw-r--r-- | yocto-poky/meta/classes/qemu.bbclass | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/yocto-poky/meta/classes/qemu.bbclass b/yocto-poky/meta/classes/qemu.bbclass new file mode 100644 index 000000000..601f58753 --- /dev/null +++ b/yocto-poky/meta/classes/qemu.bbclass @@ -0,0 +1,51 @@ +# +# This class contains functions for recipes that need QEMU or test for its +# existence. +# + +def qemu_target_binary(data): + target_arch = data.getVar("TARGET_ARCH", True) + if target_arch in ("i486", "i586", "i686"): + target_arch = "i386" + elif target_arch == "powerpc": + target_arch = "ppc" + elif target_arch == "powerpc64": + target_arch = "ppc64" + + return "qemu-" + target_arch +# +# Next function will return a string containing the command that is needed to +# to run a certain binary through qemu. For example, in order to make a certain +# postinstall scriptlet run at do_rootfs time and running the postinstall is +# architecture dependent, we can run it through qemu. For example, in the +# postinstall scriptlet, we could use the following: +# +# ${@qemu_run_binary(d, '$D', '/usr/bin/test_app')} [test_app arguments] +# +def qemu_run_binary(data, rootfs_path, binary): + qemu_binary = qemu_target_binary(data) + if qemu_binary == "qemu-allarch": + qemu_binary = "qemuwrapper" + + libdir = rootfs_path + data.getVar("libdir", False) + base_libdir = rootfs_path + data.getVar("base_libdir", False) + qemu_options = data.getVar("QEMU_OPTIONS", True) + + return "PSEUDO_UNLOAD=1 " + qemu_binary + " " + qemu_options + " -L " + rootfs_path\ + + " -E LD_LIBRARY_PATH=" + libdir + ":" + base_libdir + " "\ + + rootfs_path + binary + +# QEMU_EXTRAOPTIONS is not meant to be directly used, the extensions are +# PACKAGE_ARCH, not overrides and hence have to do this dance. Simply being arch +# specific isn't good enough. +QEMU_OPTIONS = "-r ${OLDEST_KERNEL} ${@d.getVar("QEMU_EXTRAOPTIONS_%s" % d.getVar('PACKAGE_ARCH', True), True) or ""}" +QEMU_EXTRAOPTIONS_iwmmxt = " -cpu pxa270-c5" +QEMU_EXTRAOPTIONS_armv6 = " -cpu arm1136" +QEMU_EXTRAOPTIONS_armv7a = " -cpu cortex-a8" +QEMU_EXTRAOPTIONS_e500v2 = " -cpu e500v2" +QEMU_EXTRAOPTIONS_e500mc = " -cpu e500mc" +QEMU_EXTRAOPTIONS_e5500 = " -cpu e5500" +QEMU_EXTRAOPTIONS_e5500-64b = " -cpu e5500" +QEMU_EXTRAOPTIONS_e6500 = " -cpu e6500" +QEMU_EXTRAOPTIONS_e6500-64b = " -cpu e6500" +QEMU_EXTRAOPTIONS_ppc7400 = " -cpu 7400" |