forked from brl/citadel
65 lines
2.5 KiB
Plaintext
65 lines
2.5 KiB
Plaintext
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#
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# This class contains functions for recipes that need QEMU or test for its
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# existence.
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#
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def qemu_target_binary(data):
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package_arch = data.getVar("PACKAGE_ARCH")
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qemu_target_binary = (data.getVar("QEMU_TARGET_BINARY_%s" % package_arch) or "")
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if qemu_target_binary:
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return qemu_target_binary
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target_arch = data.getVar("TARGET_ARCH")
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if target_arch in ("i486", "i586", "i686"):
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target_arch = "i386"
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elif target_arch == "powerpc":
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target_arch = "ppc"
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elif target_arch == "powerpc64":
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target_arch = "ppc64"
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return "qemu-" + target_arch
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def qemu_wrapper_cmdline(data, rootfs_path, library_paths):
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import string
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qemu_binary = qemu_target_binary(data)
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if qemu_binary == "qemu-allarch":
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qemu_binary = "qemuwrapper"
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qemu_options = data.getVar("QEMU_OPTIONS")
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return "PSEUDO_UNLOAD=1 " + qemu_binary + " " + qemu_options + " -L " + rootfs_path\
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+ " -E LD_LIBRARY_PATH=" + ":".join(library_paths) + " "
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# Next function will return a string containing the command that is needed to
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# to run a certain binary through qemu. For example, in order to make a certain
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# postinstall scriptlet run at do_rootfs time and running the postinstall is
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# architecture dependent, we can run it through qemu. For example, in the
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# postinstall scriptlet, we could use the following:
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#
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# ${@qemu_run_binary(d, '$D', '/usr/bin/test_app')} [test_app arguments]
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#
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def qemu_run_binary(data, rootfs_path, binary):
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libdir = rootfs_path + data.getVar("libdir", False)
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base_libdir = rootfs_path + data.getVar("base_libdir", False)
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return qemu_wrapper_cmdline(data, rootfs_path, [libdir, base_libdir]) + rootfs_path + binary
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# QEMU_EXTRAOPTIONS is not meant to be directly used, the extensions are
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# PACKAGE_ARCH, *NOT* overrides.
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# In some cases (e.g. ppc) simply being arch specific (apparently) isn't good
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# enough and a PACKAGE_ARCH specific -cpu option is needed (hence we have to do
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# this dance). For others (e.g. arm) a -cpu option is not necessary, since the
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# qemu-arm default CPU supports all required architecture levels.
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QEMU_OPTIONS = "-r ${OLDEST_KERNEL} ${@d.getVar("QEMU_EXTRAOPTIONS_%s" % d.getVar('PACKAGE_ARCH')) or ""}"
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QEMU_OPTIONS[vardeps] += "QEMU_EXTRAOPTIONS_${PACKAGE_ARCH}"
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QEMU_EXTRAOPTIONS_ppce500v2 = " -cpu e500v2"
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QEMU_EXTRAOPTIONS_ppce500mc = " -cpu e500mc"
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QEMU_EXTRAOPTIONS_ppce5500 = " -cpu e500mc"
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QEMU_EXTRAOPTIONS_ppc64e5500 = " -cpu e500mc"
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QEMU_EXTRAOPTIONS_ppce6500 = " -cpu e500mc"
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QEMU_EXTRAOPTIONS_ppc64e6500 = " -cpu e500mc"
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QEMU_EXTRAOPTIONS_ppc7400 = " -cpu 7400"
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