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| author | Keir Fraser <keir.fraser@citrix.com> | 2009-09-22 08:14:48 +0100 |
|---|---|---|
| committer | Keir Fraser <keir.fraser@citrix.com> | 2009-09-22 08:14:48 +0100 |
| commit | 615588563e99a23aaf37037c3fee0c413b051f4d (patch) | |
| tree | 392aac04e69362a6cd1cf0aaaf966a47a79b835a /xen/arch/x86/boot/head.S | |
| parent | d189c54b3d4dbeb3562230d664b006908b4dfba0 (diff) | |
| download | xen-615588563e99a23aaf37037c3fee0c413b051f4d.tar.gz xen-615588563e99a23aaf37037c3fee0c413b051f4d.tar.bz2 xen-615588563e99a23aaf37037c3fee0c413b051f4d.zip | |
x86-64: extend manageable memory range to 5Tb
Extend the virtual range reserved for the 1:1 mapping to cover 5Tb,
and make the virtual size of the frame table gets match whatever the
1:1 table can cover.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Diffstat (limited to 'xen/arch/x86/boot/head.S')
| -rw-r--r-- | xen/arch/x86/boot/head.S | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/xen/arch/x86/boot/head.S b/xen/arch/x86/boot/head.S index 3360107aac..139797c799 100644 --- a/xen/arch/x86/boot/head.S +++ b/xen/arch/x86/boot/head.S @@ -33,7 +33,7 @@ ENTRY(start) /* Checksum: must be the negated sum of the first two fields. */ .long -(MULTIBOOT_HEADER_MAGIC + MULTIBOOT_HEADER_FLAGS) - .section .init.text + .section .init.text, "ax" .Lbad_cpu_msg: .asciz "ERR: Not a 64-bit CPU!" .Lbad_ldr_msg: .asciz "ERR: Not a Multiboot bootloader!" @@ -128,13 +128,13 @@ __start: loop 1b /* Initialise L3 xen-map page directory entry. */ mov $(sym_phys(l2_xenmap)+7),%eax - mov %eax,sym_phys(l3_xenmap) + (50*8) + mov %eax,sym_phys(l3_xenmap) + l3_table_offset(XEN_VIRT_START)*8 /* Hook identity-map and xen-map L3 tables into PML4. */ mov $(sym_phys(l3_identmap)+7),%eax mov %eax,sym_phys(idle_pg_table) + ( 0*8) /* PML4[ 0]: 1:1 map */ - mov %eax,sym_phys(idle_pg_table) + (262*8) /* PML4[262]: 1:1 map */ + mov %eax,sym_phys(idle_pg_table) + l4_table_offset(DIRECTMAP_VIRT_START)*8 mov $(sym_phys(l3_xenmap)+7),%eax - mov %eax,sym_phys(idle_pg_table) + (261*8) /* PML4[261]: xen map */ + mov %eax,sym_phys(idle_pg_table) + l4_table_offset(XEN_VIRT_START)*8 #else /* Initialize low and high mappings of memory with 2MB pages */ mov $sym_phys(idle_pg_table_l2),%edi |