C++ (Cpp) boot_module_find_by_kind Exemples

Exemple #1

Fichier : xsm_policy.c Projet : TressaOrg/xen

int __init xsm_dt_policy_init(void **policy_buffer, size_t *policy_size)
{
    struct bootmodule *mod = boot_module_find_by_kind(BOOTMOD_XSM);
    paddr_t paddr, len;

    if ( !mod || !mod->size )
        return 0;

    paddr = mod->start;
    len = mod->size;

    if ( !has_xsm_magic(paddr) )
    {
        printk(XENLOG_ERR "xsm: Invalid magic for XSM blob\n");
        return -EINVAL;
    }

    printk("xsm: Policy len = 0x%"PRIpaddr" start at 0x%"PRIpaddr"\n",
           len, paddr);

    *policy_buffer = xmalloc_bytes(len);
    if ( !*policy_buffer )
        return -ENOMEM;

    copy_from_paddr(*policy_buffer, paddr, len);
    *policy_size = len;

    return 0;
}

Exemple #2

Fichier : bootfdt.c Projet : Chong-Li/xen

const char *boot_fdt_cmdline(const void *fdt)
{
    int node;
    const struct fdt_property *prop;

    node = fdt_path_offset(fdt, "/chosen");
    if ( node < 0 )
        return NULL;

    prop = fdt_get_property(fdt, node, "xen,xen-bootargs", NULL);
    if ( prop == NULL )
    {
        struct bootmodule *dom0_mod =
            boot_module_find_by_kind(BOOTMOD_KERNEL);

        if (fdt_get_property(fdt, node, "xen,dom0-bootargs", NULL) ||
            ( dom0_mod && dom0_mod->cmdline[0] ) )
            prop = fdt_get_property(fdt, node, "bootargs", NULL);
    }
    if ( prop == NULL )
        return NULL;

    return prop->data;
}