[Xen-devel] [PATCH 3/5] libxc: Allow loading of firmware modules for HVM guest

[Anoob Soman <anoob.soman@xxxxxxxxxx>]

This allows to load iPXE rom as a firmware module, instead of requiring
it to be embedded into hvmloader.

Signed-off-by: Anoob Soman <anoob.soman@xxxxxxxxxx>
---
 tools/libxc/xc_dom_x86.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/tools/libxc/xc_dom_x86.c b/tools/libxc/xc_dom_x86.c
index 0b65dab..be06d43 100644
--- a/tools/libxc/xc_dom_x86.c
+++ b/tools/libxc/xc_dom_x86.c
@@ -1723,6 +1723,19 @@ static int bootlate_hvm(struct xc_dom_image *dom)
     {
         add_module_to_list(dom, &dom->system_firmware_module, "firmware",
                            modlist, start_info);
+        for ( i = 0; i < dom->num_modules; i++ )
+        {
+            struct xc_hvm_firmware_module mod;
+
+            DOMPRINTF("Adding module %u", i);
+            mod.guest_addr_out =
+                dom->modules[i].seg.vstart;
+            mod.length =
+                dom->modules[i].seg.vend - dom->modules[i].seg.vstart;
+
+            add_module_to_list(dom, &mod, dom->modules[i].cmdline,
+                               modlist, start_info);
+        }
     }
 
     if ( start_info->nr_modules )
-- 
1.8.3.1


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