[XenPPC] [xenppc-unstable] [POWERPC][TOOLS] add the ability to replace an entry in the ft rsvmap

[Xen patchbot-xenppc-unstable <patchbot-xenppc-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Jimi Xenidis <jimix@xxxxxxxxxxxxxx>
# Node ID d0faa25f5d3af8d4b0c97f3482d95dad2db1dec1
# Parent  4490f6744b286d62fec3d0792ba5a44db114153b
[POWERPC][TOOLS] add the ability to replace an entry in the ft rsvmap

Signed-off-by: Jimi Xenidis <jimix@xxxxxxxxxxxxxx>
---
 tools/libxc/powerpc64/flatdevtree.c |   23 +++++++++++++++++++++++
 tools/libxc/powerpc64/flatdevtree.h |    1 +
 2 files changed, 24 insertions(+)

diff -r 4490f6744b28 -r d0faa25f5d3a tools/libxc/powerpc64/flatdevtree.c
--- a/tools/libxc/powerpc64/flatdevtree.c       Thu Sep 14 22:06:15 2006 -0400
+++ b/tools/libxc/powerpc64/flatdevtree.c       Fri Sep 15 12:55:14 2006 -0400
@@ -220,6 +220,29 @@ void ft_add_rsvmap(struct ft_cxt *cxt, u
        cxt->p_anchor = cxt->pres + 16; /* over the terminator */
 }
 
+int ft_set_rsvmap(void *bphp, int m, u64 physaddr, u64 size)
+{
+       const struct boot_param_header *bph = bphp;
+       u64 *p_rsvmap = (u64 *)
+               ((char *)bph + be32_to_cpu(bph->off_mem_rsvmap));
+       u32 i;
+
+       for (i = 0;; i++) {
+               u64 addr, sz;
+
+               addr = be64_to_cpu(p_rsvmap[i * 2]);
+               sz = be64_to_cpu(p_rsvmap[i * 2 + 1]);
+               if (addr == 0 && size == 0)
+                       break;
+               if (m == i) {
+                       p_rsvmap[i * 2] = cpu_to_be64(physaddr);
+                       p_rsvmap[i * 2 + 1] = cpu_to_be64(size);
+                       return 0;
+               }
+       }
+       return -1;
+}
+
 void ft_begin_tree(struct ft_cxt *cxt)
 {
        cxt->p_begin = cxt->p_anchor;
diff -r 4490f6744b28 -r d0faa25f5d3a tools/libxc/powerpc64/flatdevtree.h
--- a/tools/libxc/powerpc64/flatdevtree.h       Thu Sep 14 22:06:15 2006 -0400
+++ b/tools/libxc/powerpc64/flatdevtree.h       Fri Sep 15 12:55:14 2006 -0400
@@ -66,6 +66,7 @@ void ft_prop_int(struct ft_cxt *cxt, con
 void ft_prop_int(struct ft_cxt *cxt, const char *name, unsigned int val);
 void ft_begin(struct ft_cxt *cxt, void *blob, unsigned int max_size);
 void ft_add_rsvmap(struct ft_cxt *cxt, u64 physaddr, u64 size);
+int ft_set_rsvmap(void *bphp, int m, u64 physaddr, u64 size);
 
 void ft_dump_blob(const void *bphp);
 void ft_merge_blob(struct ft_cxt *cxt, void *blob);

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