[Xen-changelog] More tools PAE fixes to avoid loosing high-order pte bits.

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

# HG changeset patch
# User iap10@xxxxxxxxxxxxxxxxxxxxx
# Node ID f0d728001aaad4eb6c716cbdbb5d1f8a8a5f1620
# Parent  a9a78ca76cd20ab40a161b8257a68257b7044f01
More tools PAE fixes to avoid loosing high-order pte bits.
Signed-off-by: ian@xxxxxxxxxxxxx

diff -r a9a78ca76cd2 -r f0d728001aaa tools/libxc/xc_linux_build.c
--- a/tools/libxc/xc_linux_build.c      Wed Sep  7 23:10:49 2005
+++ b/tools/libxc/xc_linux_build.c      Wed Sep  7 23:11:44 2005
@@ -57,7 +57,7 @@
 }
 
 #define alloc_pt(ltab, vltab) \
-        ltab = page_array[ppt_alloc++] << PAGE_SHIFT; \
+        ltab = (unsigned long long)(page_array[ppt_alloc++]) << PAGE_SHIFT; \
         if (vltab != NULL) { \
             munmap(vltab, PAGE_SIZE); \
         } \
@@ -128,9 +128,9 @@
     l1_pgentry_64_t *vl1tab=NULL, *vl1e=NULL;
     l2_pgentry_64_t *vl2tab=NULL, *vl2e=NULL;
     l3_pgentry_64_t *vl3tab=NULL, *vl3e=NULL;
-    unsigned long l1tab = 0;
-    unsigned long l2tab = 0;
-    unsigned long l3tab = 0;
+    unsigned long long l1tab = 0;
+    unsigned long long l2tab = 0;
+    unsigned long long l3tab = 0;
     unsigned long ppt_alloc;
     unsigned long count;
 
@@ -139,7 +139,13 @@
     alloc_pt(l3tab, vl3tab);
     vl3e = &vl3tab[l3_table_offset_pae(dsi_v_start)];
     ctxt->ctrlreg[3] = l3tab;
-    
+
+    if(l3tab>0xfffff000)
+    {
+        fprintf(stderr,"L3TAB = %llx above 4GB!\n",l3tab);
+        goto error_out;
+    }
+ 
     for ( count = 0; count < ((v_end-dsi_v_start)>>PAGE_SHIFT); count++)
     {
         if ( !((unsigned long)vl1e & (PAGE_SIZE-1)) )
@@ -525,12 +531,14 @@
     physmap = physmap_e = xc_map_foreign_range(
         xc_handle, dom, PAGE_SIZE, PROT_READ|PROT_WRITE,
         page_array[physmap_pfn++]);
+
     for ( count = 0; count < nr_pages; count++ )
     {
         if ( xc_add_mmu_update(xc_handle, mmu,
-                              (page_array[count] << PAGE_SHIFT) | 
+                              ((unsigned long long)page_array[count] << 
PAGE_SHIFT) | 
                               MMU_MACHPHYS_UPDATE, count) )
         {
+            fprintf(stderr,"m2p update failure p=%lx 
m=%lx\n",count,page_array[count] ); 
             munmap(physmap, PAGE_SIZE);
             goto error_out;
         }
diff -r a9a78ca76cd2 -r f0d728001aaa tools/libxc/xc_private.c
--- a/tools/libxc/xc_private.c  Wed Sep  7 23:10:49 2005
+++ b/tools/libxc/xc_private.c  Wed Sep  7 23:11:44 2005
@@ -116,7 +116,7 @@
 
     if ( (ret = do_xen_hypercall(xc_handle, &hypercall)) < 0 )
     {
-       fprintf(stderr, "Dom_mem operation failed (rc=%ld errno=%d)-- need to"
+       fprintf(stderr, "Dom_mmuext operation failed (rc=%ld errno=%d)-- need 
to"
                     " rebuild the user-space tool set?\n",ret,errno);
     }
 
@@ -172,7 +172,7 @@
 }
 
 int xc_add_mmu_update(int xc_handle, xc_mmu_t *mmu, 
-                     unsigned long ptr, unsigned long val)
+                     unsigned long long ptr, unsigned long long val)
 {
     mmu->updates[mmu->idx].ptr = ptr;
     mmu->updates[mmu->idx].val = val;
@@ -229,7 +229,7 @@
 
     if ( (ret = do_xen_hypercall(xc_handle, &hypercall)) < 0 )
     {
-       fprintf(stderr, "Dom_mem operation failed (rc=%ld errno=%d)-- need to"
+       fprintf(stderr, "hypercall failed (rc=%ld errno=%d)-- need to"
                 " rebuild the user-space tool set?\n",ret,errno);
     }
 
diff -r a9a78ca76cd2 -r f0d728001aaa tools/libxc/xenctrl.h
--- a/tools/libxc/xenctrl.h     Wed Sep  7 23:10:49 2005
+++ b/tools/libxc/xenctrl.h     Wed Sep  7 23:11:44 2005
@@ -521,7 +521,7 @@
 typedef struct xc_mmu xc_mmu_t;
 xc_mmu_t *xc_init_mmu_updates(int xc_handle, domid_t dom);
 int xc_add_mmu_update(int xc_handle, xc_mmu_t *mmu, 
-                   unsigned long ptr, unsigned long val);
+                   unsigned long long ptr, unsigned long long val);
 int xc_finish_mmu_updates(int xc_handle, xc_mmu_t *mmu);
 
 #endif

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