[Xen-devel] [PATCH v2] grub-install: Install PV Xen binaries into the upstream specified path

[Ian Campbell <ijc@xxxxxxxxxxxxxx>]

Upstream have defined a specification for where guests ought to place their
xenpv grub binaries in order to facilitate chainloading from a stage 1 grub
loaded from dom0.

http://xenbits.xen.org/docs/unstable-staging/misc/x86-xenpv-bootloader.html

The spec calls for installation into /boot/xen/pvboot-i386.elf or
/boot/xen/pvboot-x86_64.elf.

Signed-off-by: Ian Campbell <ijc@xxxxxxxxxxxxxx>

---
v2: Respect bootdir, create /boot/xen as needed.
---
 util/grub-install.c | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

diff --git a/util/grub-install.c b/util/grub-install.c
index 70f514c..7a7734e 100644
--- a/util/grub-install.c
+++ b/util/grub-install.c
@@ -1979,6 +1979,28 @@ main (int argc, char *argv[])
        }
       break;
 
+    case GRUB_INSTALL_PLATFORM_I386_XEN:
+      {
+       char *path = grub_util_path_concat (2, bootdir, "xen");
+       char *dst = grub_util_path_concat (2, path, "pvboot-i386.elf");
+       grub_install_mkdir_p (path);
+       grub_install_copy_file (imgfile, dst, 1);
+       free (dst);
+       free (path);
+      }
+      break;
+
+    case GRUB_INSTALL_PLATFORM_X86_64_XEN:
+      {
+       char *path = grub_util_path_concat (2, bootdir, "xen");
+       char *dst = grub_util_path_concat (2, path, "pvboot-x86_64.elf");
+       grub_install_mkdir_p (path);
+       grub_install_copy_file (imgfile, dst, 1);
+       free (dst);
+       free (path);
+      }
+      break;
+
     case GRUB_INSTALL_PLATFORM_MIPSEL_LOONGSON:
     case GRUB_INSTALL_PLATFORM_MIPSEL_QEMU_MIPS:
     case GRUB_INSTALL_PLATFORM_MIPS_QEMU_MIPS:
@@ -1987,8 +2009,6 @@ main (int argc, char *argv[])
     case GRUB_INSTALL_PLATFORM_MIPSEL_ARC:
     case GRUB_INSTALL_PLATFORM_ARM_UBOOT:
     case GRUB_INSTALL_PLATFORM_I386_QEMU:
-    case GRUB_INSTALL_PLATFORM_I386_XEN:
-    case GRUB_INSTALL_PLATFORM_X86_64_XEN:
       grub_util_warn ("%s",
                      _("WARNING: no platform-specific install was performed"));
       break;
-- 
2.1.0


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