[XenPPC] [xenppc-unstable] [POWERPC] Boot Module freeing

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

# HG changeset patch
# User Jimi Xenidis <jimix@xxxxxxxxxxxxxx>
# Node ID bcba998e95575602fe3953bdc5ee19bc383740bc
# Parent  b10e48a5d1e3b8a14619f52a09851f20769a46cc
[POWERPC] Boot Module freeing

 - Fix bad logic that frees the modules anyway.
 - Allow for the absence of a Dom0 to continue exectution until its
   time to load it, usefull for debugging bringup code.

Signed-off-by: Jimi Xenidis <jimix@xxxxxxxxxxxxxx>
---
 xen/arch/powerpc/domain_build.c |    5 +++++
 xen/arch/powerpc/setup.c        |    7 ++++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff -r b10e48a5d1e3 -r bcba998e9557 xen/arch/powerpc/domain_build.c
--- a/xen/arch/powerpc/domain_build.c   Fri Aug 18 05:17:14 2006 -0400
+++ b/xen/arch/powerpc/domain_build.c   Fri Aug 18 05:39:01 2006 -0400
@@ -118,13 +118,18 @@ int construct_dom0(struct domain *d,
     BUG_ON(d->domain_id != 0);
     BUG_ON(d->vcpu[0] == NULL);
 
+    if (image_len == 0)
+        panic("No Dom0 image supplied\n");
+
     cpu_init_vcpu(v);
 
     memset(&dsi, 0, sizeof(struct domain_setup_info));
     dsi.image_addr = image_start;
     dsi.image_len  = image_len;
 
+    printk("Trying Dom0 as 64bit ELF\n");
     if ((rc = parseelfimage(&dsi)) != 0) {
+        printk("Trying Dom0 as 32bit ELF\n");
         if ((rc = parseelfimage_32(&dsi)) != 0)
             return rc;
         am64 = 0;
diff -r b10e48a5d1e3 -r bcba998e9557 xen/arch/powerpc/setup.c
--- a/xen/arch/powerpc/setup.c  Fri Aug 18 05:17:14 2006 -0400
+++ b/xen/arch/powerpc/setup.c  Fri Aug 18 05:39:01 2006 -0400
@@ -326,6 +326,9 @@ static void __init __start_xen(multiboot
     for (i = 0; i < mbi->mods_count; i++) {
         u32 s;
 
+        if(mod[i].mod_end == mod[i].mod_start)
+            continue;
+
         s = ALIGN_DOWN(mod[i].mod_start, PAGE_SIZE);
 
         if (mod[i].mod_start > (ulong)_start &&
@@ -337,7 +340,9 @@ static void __init __start_xen(multiboot
         if (s < freemem) 
             panic("module addresses must assend\n");
 
-        freemem = free_xenheap(freemem, s);
+        free_xenheap(freemem, s);
+        freemem = ALIGN_UP(mod[i].mod_end, PAGE_SIZE);
+        
     }
 
     /* the rest of the xenheap, starting at the end of modules */

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