diff options
| author | Keir Fraser <keir.fraser@citrix.com> | 2009-03-31 14:04:50 +0100 |
|---|---|---|
| committer | Keir Fraser <keir.fraser@citrix.com> | 2009-03-31 14:04:50 +0100 |
| commit | c2901a5cc44c85a9ceeebd47ff21946bb35ba930 (patch) | |
| tree | 3639d12c513de78e704083e4cc9930fd8d4f3c28 /tools/firmware | |
| parent | 2fa8c71b9f71b6973cce13cd41a45aac4baf17de (diff) | |
| download | xen-c2901a5cc44c85a9ceeebd47ff21946bb35ba930.tar.gz xen-c2901a5cc44c85a9ceeebd47ff21946bb35ba930.tar.bz2 xen-c2901a5cc44c85a9ceeebd47ff21946bb35ba930.zip | |
hvmloader: ROMBIOS must POST in big real mode, since it supports PMM,
and hence Option ROMs can expect noi segment limit checks.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
Diffstat (limited to 'tools/firmware')
| -rw-r--r-- | tools/firmware/hvmloader/hvmloader.c | 4 | ||||
| -rw-r--r-- | tools/firmware/rombios/32bitgateway.c | 4 |
2 files changed, 4 insertions, 4 deletions
diff --git a/tools/firmware/hvmloader/hvmloader.c b/tools/firmware/hvmloader/hvmloader.c index 39aa949e1b..7552122d4a 100644 --- a/tools/firmware/hvmloader/hvmloader.c +++ b/tools/firmware/hvmloader/hvmloader.c @@ -88,8 +88,8 @@ asm ( " .align 8 \n" "gdt: \n" " .quad 0x0000000000000000 \n" - " .quad 0x00009a000000ffff \n" /* Ring 0 code, base 0 limit 0xffff */ - " .quad 0x000092000000ffff \n" /* Ring 0 data, base 0 limit 0xffff */ + " .quad 0x008f9a000000ffff \n" /* Ring 0 16b code, base 0 limit 4G */ + " .quad 0x008f92000000ffff \n" /* Ring 0 16b data, base 0 limit 4G */ "gdt_end: \n" " \n" " .bss \n" diff --git a/tools/firmware/rombios/32bitgateway.c b/tools/firmware/rombios/32bitgateway.c index 8b3dffa591..d76f19400f 100644 --- a/tools/firmware/rombios/32bitgateway.c +++ b/tools/firmware/rombios/32bitgateway.c @@ -56,13 +56,13 @@ gdt_entry_pm_32bit_cs: .byte 0x00, 0x9b, 0xcf, 0x00 gdt_entry_pm_16bit_cs: .word 0xffff, 0x0000 - .byte REAL_MODE_CODE_OFFSET >> 16, 0x9b, 0x0, 0x0 + .byte REAL_MODE_CODE_OFFSET >> 16, 0x9b, 0x8f, 0x0 gdt_entry_pm_32bit_ds: .word 0xffff, 0x0000 .byte 0x0, 0x93, 0xcf, 0x0 gdt_entry_pm_16bit_ds: .word 0xffff, 0x0000 - .byte 0x0, 0x93, 0x0, 0x0 + .byte 0x0, 0x93, 0x8f, 0x0 gdt_entry_end: protmode_gdtdesc: |