xref: /OK3568_Linux_fs/yocto/poky/meta/classes/qemu.bbclass (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun#
2*4882a593Smuzhiyun# This class contains functions for recipes that need QEMU or test for its
3*4882a593Smuzhiyun# existence.
4*4882a593Smuzhiyun#
5*4882a593Smuzhiyun
6*4882a593Smuzhiyundef qemu_target_binary(data):
7*4882a593Smuzhiyun    package_arch = data.getVar("PACKAGE_ARCH")
8*4882a593Smuzhiyun    qemu_target_binary = (data.getVar("QEMU_TARGET_BINARY_%s" % package_arch) or "")
9*4882a593Smuzhiyun    if qemu_target_binary:
10*4882a593Smuzhiyun        return qemu_target_binary
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun    target_arch = data.getVar("TARGET_ARCH")
13*4882a593Smuzhiyun    if target_arch in ("i486", "i586", "i686"):
14*4882a593Smuzhiyun        target_arch = "i386"
15*4882a593Smuzhiyun    elif target_arch == "powerpc":
16*4882a593Smuzhiyun        target_arch = "ppc"
17*4882a593Smuzhiyun    elif target_arch == "powerpc64":
18*4882a593Smuzhiyun        target_arch = "ppc64"
19*4882a593Smuzhiyun    elif target_arch == "powerpc64le":
20*4882a593Smuzhiyun        target_arch = "ppc64le"
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun    return "qemu-" + target_arch
23*4882a593Smuzhiyun
24*4882a593Smuzhiyundef qemu_wrapper_cmdline(data, rootfs_path, library_paths):
25*4882a593Smuzhiyun    import string
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun    qemu_binary = qemu_target_binary(data)
28*4882a593Smuzhiyun    if qemu_binary == "qemu-allarch":
29*4882a593Smuzhiyun        qemu_binary = "qemuwrapper"
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun    qemu_options = data.getVar("QEMU_OPTIONS")
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun    return "PSEUDO_UNLOAD=1 " + qemu_binary + " " + qemu_options + " -L " + rootfs_path\
34*4882a593Smuzhiyun            + " -E LD_LIBRARY_PATH=" + ":".join(library_paths) + " "
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun# Next function will return a string containing the command that is needed to
37*4882a593Smuzhiyun# to run a certain binary through qemu. For example, in order to make a certain
38*4882a593Smuzhiyun# postinstall scriptlet run at do_rootfs time and running the postinstall is
39*4882a593Smuzhiyun# architecture dependent, we can run it through qemu. For example, in the
40*4882a593Smuzhiyun# postinstall scriptlet, we could use the following:
41*4882a593Smuzhiyun#
42*4882a593Smuzhiyun# ${@qemu_run_binary(d, '$D', '/usr/bin/test_app')} [test_app arguments]
43*4882a593Smuzhiyun#
44*4882a593Smuzhiyundef qemu_run_binary(data, rootfs_path, binary):
45*4882a593Smuzhiyun    libdir = rootfs_path + data.getVar("libdir", False)
46*4882a593Smuzhiyun    base_libdir = rootfs_path + data.getVar("base_libdir", False)
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun    return qemu_wrapper_cmdline(data, rootfs_path, [libdir, base_libdir]) + rootfs_path + binary
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun# QEMU_EXTRAOPTIONS is not meant to be directly used, the extensions are
51*4882a593Smuzhiyun# PACKAGE_ARCH, *NOT* overrides.
52*4882a593Smuzhiyun# In some cases (e.g. ppc) simply being arch specific (apparently) isn't good
53*4882a593Smuzhiyun# enough and a PACKAGE_ARCH specific -cpu option is needed (hence we have to do
54*4882a593Smuzhiyun# this dance). For others (e.g. arm) a -cpu option is not necessary, since the
55*4882a593Smuzhiyun# qemu-arm default CPU supports all required architecture levels.
56*4882a593Smuzhiyun
57*4882a593SmuzhiyunQEMU_OPTIONS = "-r ${OLDEST_KERNEL} ${@d.getVar("QEMU_EXTRAOPTIONS_%s" % d.getVar('PACKAGE_ARCH')) or ""}"
58*4882a593SmuzhiyunQEMU_OPTIONS[vardeps] += "QEMU_EXTRAOPTIONS_${PACKAGE_ARCH}"
59*4882a593Smuzhiyun
60*4882a593SmuzhiyunQEMU_EXTRAOPTIONS_ppce500v2 = " -cpu e500v2"
61*4882a593SmuzhiyunQEMU_EXTRAOPTIONS_ppce500mc = " -cpu e500mc"
62*4882a593SmuzhiyunQEMU_EXTRAOPTIONS_ppce5500 = " -cpu e500mc"
63*4882a593SmuzhiyunQEMU_EXTRAOPTIONS_ppc64e5500 = " -cpu e500mc"
64*4882a593SmuzhiyunQEMU_EXTRAOPTIONS_ppce6500 = " -cpu e500mc"
65*4882a593SmuzhiyunQEMU_EXTRAOPTIONS_ppc64e6500 = " -cpu e500mc"
66*4882a593SmuzhiyunQEMU_EXTRAOPTIONS_ppc7400 = " -cpu 7400"
67*4882a593SmuzhiyunQEMU_EXTRAOPTIONS_powerpc64le = " -cpu POWER9"
68*4882a593Smuzhiyun# Some packages e.g. fwupd sets PACKAGE_ARCH = MACHINE_ARCH and uses meson which
69*4882a593Smuzhiyun# needs right options to usermode qemu
70*4882a593SmuzhiyunQEMU_EXTRAOPTIONS_qemuppc = " -cpu 7400"
71*4882a593SmuzhiyunQEMU_EXTRAOPTIONS_qemuppc64 = " -cpu POWER9"
72