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| author | kaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk> | 2006-04-19 22:23:44 +0100 |
|---|---|---|
| committer | kaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk> | 2006-04-19 22:23:44 +0100 |
| commit | e59000337ffad1b44660a77cd787482f02b228c0 (patch) | |
| tree | fb979cec4372ab8dad6be9f18b72a7cba8eb4fc0 /xen/arch/x86/boot/x86_64.S | |
| parent | 56ff805a1683d3a7190dbfc54e035e9aca60c8aa (diff) | |
| download | xen-e59000337ffad1b44660a77cd787482f02b228c0.tar.gz xen-e59000337ffad1b44660a77cd787482f02b228c0.tar.bz2 xen-e59000337ffad1b44660a77cd787482f02b228c0.zip | |
Increase size of level-2 initial PDE identity map from first 64MB of
physical RAM to first 1GB of physical RAM. This allows x86_64 xen to boot
larger dom0 images. Without this changes large dom0 images fail to
boot with "Unknown interrupt" on xen console and wedge.
Signed-off-by: Todd Clayton <todd.clayton@sun.com>
Diffstat (limited to 'xen/arch/x86/boot/x86_64.S')
| -rw-r--r-- | xen/arch/x86/boot/x86_64.S | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/xen/arch/x86/boot/x86_64.S b/xen/arch/x86/boot/x86_64.S index ffcd144811..a7d0310b31 100644 --- a/xen/arch/x86/boot/x86_64.S +++ b/xen/arch/x86/boot/x86_64.S @@ -252,10 +252,10 @@ ENTRY(idle_pg_table_4) ENTRY(idle_pg_table_l3) .quad idle_pg_table_l2 - __PAGE_OFFSET + 7 -/* Initial PDE -- level-2 page table. Maps first 64MB physical memory. */ +/* Initial PDE -- level-2 page table. Maps first 1GB physical memory. */ .org 0x4000 ENTRY(idle_pg_table_l2) - .macro identmap from=0, count=32 + .macro identmap from=0, count=512 .if \count-1 identmap "(\from+0)","(\count/2)" identmap "(\from+(0x200000*(\count/2)))","(\count/2)" |