C++ (Cpp) elf_xen_parse_features Examples

Example #1

File: xc_dom_core.c Project: a2k2/xen-unstable

struct xc_dom_image *xc_dom_allocate(const char *cmdline, const char *features)
{
    struct xc_dom_image *dom;

    xc_dom_printf("%s: cmdline=\"%s\", features=\"%s\"\n",
                  __FUNCTION__, cmdline, features);
    dom = malloc(sizeof(*dom));
    if ( !dom )
        goto err;

    memset(dom, 0, sizeof(*dom));
    if ( cmdline )
        dom->cmdline = xc_dom_strdup(dom, cmdline);
    if ( features )
        elf_xen_parse_features(features, dom->f_requested, NULL);

    dom->parms.virt_base = UNSET_ADDR;
    dom->parms.virt_entry = UNSET_ADDR;
    dom->parms.virt_hypercall = UNSET_ADDR;
    dom->parms.virt_hv_start_low = UNSET_ADDR;
    dom->parms.elf_paddr_offset = UNSET_ADDR;

    dom->alloc_malloc += sizeof(*dom);
    return dom;

 err:
    if ( dom )
        xc_dom_release(dom);
    return NULL;
}

Example #2

File: xc_dom_core.c Project: avsm/xen-1

int xc_dom_parse_image(struct xc_dom_image *dom)
{
    int i;

    DOMPRINTF_CALLED(dom->xch);

    /* parse kernel image */
    dom->kernel_loader = xc_dom_find_loader(dom);
    if ( dom->kernel_loader == NULL )
        goto err;
    if ( dom->kernel_loader->parser(dom) != 0 )
        goto err;
    if ( dom->guest_type == NULL )
    {
        xc_dom_panic(dom->xch, XC_INTERNAL_ERROR,
                     "%s: guest_type not set", __FUNCTION__);
        goto err;
    }

    if ( dom->pvh_enabled )
    {
        const char *pvh_features = "writable_descriptor_tables|"
                                   "auto_translated_physmap|"
                                   "supervisor_mode_kernel|"
                                   "hvm_callback_vector";
        elf_xen_parse_features(pvh_features, dom->f_requested, NULL);
    }

    /* check features */
    for ( i = 0; i < XENFEAT_NR_SUBMAPS; i++ )
    {
        dom->f_active[i] |= dom->f_requested[i]; /* cmd line */
        dom->f_active[i] |= dom->parms.f_required[i]; /* kernel   */
        if ( (dom->f_active[i] & dom->parms.f_supported[i]) !=
             dom->f_active[i] )
        {
            xc_dom_panic(dom->xch, XC_INVALID_PARAM,
                         "%s: unsupported feature requested", __FUNCTION__);
            goto err;
        }
    }
    return 0;

 err:
    return -1;
}

Example #3

File: xc_dom_core.c Project: xen-project/xen

struct xc_dom_image *xc_dom_allocate(xc_interface *xch,
                                     const char *cmdline, const char *features)
{
    struct xc_dom_image *dom;

    xc_dom_printf(xch, "%s: cmdline=\"%s\", features=\"%s\"",
                  __FUNCTION__, cmdline, features);
    dom = malloc(sizeof(*dom));
    if ( !dom )
        goto err;

    memset(dom, 0, sizeof(*dom));
    dom->xch = xch;

    dom->max_kernel_size = XC_DOM_DECOMPRESS_MAX;
    dom->max_ramdisk_size = XC_DOM_DECOMPRESS_MAX;
    dom->max_devicetree_size = XC_DOM_DECOMPRESS_MAX;

    if ( cmdline )
        dom->cmdline = xc_dom_strdup(dom, cmdline);
    if ( features )
        elf_xen_parse_features(features, dom->f_requested, NULL);

    dom->parms.virt_base = UNSET_ADDR;
    dom->parms.virt_entry = UNSET_ADDR;
    dom->parms.virt_hypercall = UNSET_ADDR;
    dom->parms.virt_hv_start_low = UNSET_ADDR;
    dom->parms.elf_paddr_offset = UNSET_ADDR;
    dom->parms.p2m_base = UNSET_ADDR;

    dom->flags = SIF_VIRT_P2M_4TOOLS;

    dom->alloc_malloc += sizeof(*dom);
    return dom;

err:
    if ( dom )
        xc_dom_release(dom);
    return NULL;
}