From 3f0ec95261c6723ae4ee930ce6299a7562f93906 Mon Sep 17 00:00:00 2001 From: Samuel Thibault Date: Sun, 22 Nov 2009 19:50:25 +0100 Subject: Do not assume that VM_MIN_KERNEL_ADDRESS is 0 * i386/i386/gdt.c (gdt_init): Subtract VM_MIN_KERNEL_ADDRESS from LINEAR_MIN_KERNEL_ADDRESS to avoid assuming the former being 0. --- i386/i386/gdt.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/i386/i386/gdt.c b/i386/i386/gdt.c index 8484073..845e7c6 100644 --- a/i386/i386/gdt.c +++ b/i386/i386/gdt.c @@ -43,12 +43,12 @@ gdt_init() { /* Initialize the kernel code and data segment descriptors. */ fill_gdt_descriptor(KERNEL_CS, - LINEAR_MIN_KERNEL_ADDRESS, - LINEAR_MAX_KERNEL_ADDRESS - LINEAR_MIN_KERNEL_ADDRESS - 1, + LINEAR_MIN_KERNEL_ADDRESS - VM_MIN_KERNEL_ADDRESS, + LINEAR_MAX_KERNEL_ADDRESS - (LINEAR_MIN_KERNEL_ADDRESS - VM_MIN_KERNEL_ADDRESS) - 1, ACC_PL_K|ACC_CODE_R, SZ_32); fill_gdt_descriptor(KERNEL_DS, - LINEAR_MIN_KERNEL_ADDRESS, - LINEAR_MAX_KERNEL_ADDRESS - LINEAR_MIN_KERNEL_ADDRESS - 1, + LINEAR_MIN_KERNEL_ADDRESS - VM_MIN_KERNEL_ADDRESS, + LINEAR_MAX_KERNEL_ADDRESS - (LINEAR_MIN_KERNEL_ADDRESS - VM_MIN_KERNEL_ADDRESS) - 1, ACC_PL_K|ACC_DATA_W, SZ_32); fill_gdt_descriptor(LINEAR_DS, 0, -- cgit v1.2.3