[TOOLS] Add support for XEN_ELFNOTE_L1_MFN_VALID to readnotes.

Signed-off-by: Ian Campbell <ian.campbell@xensource.com>

diff --git a/tools/xcutils/readnotes.c b/tools/xcutils/readnotes.c
index db4e56aa247696e0dd15809d77ef7b47dd645992..b445a73837bc832e7bab984907cbc93ed3a2fb35 100644 (file)
--- a/tools/xcutils/readnotes.c
+++ b/tools/xcutils/readnotes.c
@@ -31,6 +31,28 @@ static void print_numeric_note(const char *prefix, struct elf_binary *elf,
               prefix, 2+2*descsz, value, descsz);
 }
 
+static void print_l1_mfn_valid_note(const char *prefix, struct elf_binary *elf,
+                                   const elf_note *note)
+{
+       int descsz = elf_uval(elf, note, descsz);
+       const uint32_t *desc32 = elf_note_desc(elf, note);
+       const uint64_t *desc64 = elf_note_desc(elf, note);
+
+       /* XXX should be able to cope with a list of values. */
+       switch ( descsz / 2 )
+       {
+       case 8:
+               printf("%s: mask=%#"PRIx64" value=%#"PRIx64"\n", prefix,
+                      desc64[0], desc64[1]);
+               break;
+       case 4:
+               printf("%s: mask=%#"PRIx32" value=%#"PRIx32"\n", prefix,
+                      desc32[0],desc32[1]);
+               break;
+       }
+
+}
+
 static int print_notes(struct elf_binary *elf, const elf_note *start, const elf_note *end)
 {
        const elf_note *note;
@@ -79,7 +101,10 @@ static int print_notes(struct elf_binary *elf, const elf_note *start, const elf_
                        print_string_note("FEATURES", elf , note);
                        break;
                case XEN_ELFNOTE_HV_START_LOW:
-                       print_numeric_note("HV_START_LOW", elf, note);
+                       print_numeric_note("HV_START_LOW", elf , note);
+                       break;
+               case XEN_ELFNOTE_L1_MFN_VALID:
+                       print_l1_mfn_valid_note("L1_MFN_VALID", elf , note);
                        break;
                default:
                        printf("unknown note type %#x\n",