arm: compile libxc

Introduce an empty implementation of the arch specific ARM functions in
xc_core_arm.c and xc_core_arm.h; define barriers on ARM.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>

1 files changed, 107 insertions, 0 deletions

diff --git a/tools/libxc/xc_core_arm.c b/tools/libxc/xc_core_arm.c
new file mode 100644
index 0000000000..e6716e449a
--- /dev/null
+++ b/tools/libxc/xc_core_arm.c
@@ -0,0 +1,107 @@
+/*
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Copyright (c) 2011 Citrix Systems
+ *
+ */
+
+#include "xg_private.h"
+#include "xc_core.h"
+
+int
+xc_core_arch_gpfn_may_present(struct xc_core_arch_context *arch_ctxt,
+                              unsigned long pfn)
+{
+    /* TODO: memory from DT */
+    if (pfn >= 0x80000 && pfn < 0x88000)
+        return 1;
+    return 0;
+}
+
+
+static int nr_gpfns(xc_interface *xch, domid_t domid)
+{
+    return xc_domain_maximum_gpfn(xch, domid) + 1;
+}
+
+int
+xc_core_arch_auto_translated_physmap(const xc_dominfo_t *info)
+{
+    return 1;
+}
+
+int
+xc_core_arch_memory_map_get(xc_interface *xch, struct xc_core_arch_context *unused,
+                            xc_dominfo_t *info, shared_info_any_t *live_shinfo,
+                            xc_core_memory_map_t **mapp,
+                            unsigned int *nr_entries)
+{
+    unsigned long p2m_size = nr_gpfns(xch, info->domid);
+    xc_core_memory_map_t *map;
+
+    map = malloc(sizeof(*map));
+    if ( map == NULL )
+    {
+        PERROR("Could not allocate memory");
+        return -1;
+    }
+
+    map->addr = 0;
+    map->size = ((uint64_t)p2m_size) << PAGE_SHIFT;
+
+    *mapp = map;
+    *nr_entries = 1;
+    return 0;
+}
+
+static int
+xc_core_arch_map_p2m_rw(xc_interface *xch, struct domain_info_context *dinfo, xc_dominfo_t *info,
+                        shared_info_any_t *live_shinfo, xen_pfn_t **live_p2m,
+                        unsigned long *pfnp, int rw)
+{
+    errno = ENOSYS;
+    return -1;
+}
+
+int
+xc_core_arch_map_p2m(xc_interface *xch, unsigned int guest_width, xc_dominfo_t *info,
+                        shared_info_any_t *live_shinfo, xen_pfn_t **live_p2m,
+                        unsigned long *pfnp)
+{
+    struct domain_info_context _dinfo = { .guest_width = guest_width };
+    struct domain_info_context *dinfo = &_dinfo;
+    return xc_core_arch_map_p2m_rw(xch, dinfo, info,
+                                   live_shinfo, live_p2m, pfnp, 0);
+}
+
+int
+xc_core_arch_map_p2m_writable(xc_interface *xch, unsigned int guest_width, xc_dominfo_t *info,
+                              shared_info_any_t *live_shinfo, xen_pfn_t **live_p2m,
+                              unsigned long *pfnp)
+{
+    struct domain_info_context _dinfo = { .guest_width = guest_width };
+    struct domain_info_context *dinfo = &_dinfo;
+    return xc_core_arch_map_p2m_rw(xch, dinfo, info,
+                                   live_shinfo, live_p2m, pfnp, 1);
+}
+/*
+ * Local variables:
+ * mode: C
+ * c-set-style: "BSD"
+ * c-basic-offset: 4
+ * tab-width: 4
+ * indent-tabs-mode: nil
+ * End:
+ */