Bananymous/banan-os
1
1
Fork 1
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Kernel: Add ubsan

Browse Source 
My brain has been melting since I'm getting very random bugs.
I hope I can debug them better with ubsan :)
This commit is contained in:
Bananymous
2023-03-06 23:38:05 +02:00
parent e480f9c195
commit 06db890d49
8 changed files with 128 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
kernel/arch/x86_64/boot.S
View File

@@ -41,9 +41,9 @@
# we will identity map first 4 MiB
# 0 MiB -> 1 MiB: bootloader stuff
# 1 MiB -> 2 MiB: kernel
# 2 MiB -> 3 MiB: kmalloc
# 3 MiB -> 4 MiB: kmalloc_fixed
# 1 MiB -> 4 MiB: kernel
# 4 MiB -> 5 MiB: kmalloc
# 5 MiB -> 6 MiB: kmalloc_fixed
.align 4096
boot_pml4:
.skip 512 * 8
@@ -127,9 +127,10 @@ enable_sse:
ret
initialize_paging:
# identity map first 4 MiB
# identity map first 6 MiB
movl $(0x00000000 + PG_PAGE_SIZE + PG_READ_WRITE + PG_PRESENT), boot_pd1 + 0
movl $(0x00200000 + PG_PAGE_SIZE + PG_READ_WRITE + PG_PRESENT), boot_pd1 + 8
movl $(0x00400000 + PG_PAGE_SIZE + PG_READ_WRITE + PG_PRESENT), boot_pd1 + 16
# set pdpte1 and pml4e1
movl $(boot_pd1 + PG_READ_WRITE + PG_PRESENT), boot_pdpt1