From c2901a5cc44c85a9ceeebd47ff21946bb35ba930 Mon Sep 17 00:00:00 2001 From: Keir Fraser Date: Tue, 31 Mar 2009 14:04:50 +0100 Subject: 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 --- tools/firmware/hvmloader/hvmloader.c | 4 ++-- tools/firmware/rombios/32bitgateway.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) (limited to 'tools/firmware') 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: -- cgit v1.2.3