RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-31 05:48:12 +00:00
Code Issues Activity Actions

Kernel: Only unmap prekernel on x86_64

Browse source 
Other arches don't use the prekernel, so don't try to unmap it on
non-x86 platforms.
For some reason, this didn't cause aarch64 to crash, but on riscv64 this
would cause a panic.
This commit is contained in:
Sönke Holz 2023-11-30 18:09:26 +01:00 • committed by Andrew Kaster
parent 3852f4f136
commit 173a085e48
1 changed files with 1 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

2
Kernel/Arch/init.cpp
View file

@ -267,9 +267,9 @@ extern "C" [[noreturn]] UNMAP_AFTER_INIT void init([[maybe_unused]] BootInfo con
}
dmesgln("Starting SerenityOS...");
#if ARCH(X86_64)
MM.unmap_prekernel();
#if ARCH(X86_64)
// Ensure that the safemem sections are not empty. This could happen if the linker accidentally discards the sections.
VERIFY(+start_of_safemem_text != +end_of_safemem_text);
VERIFY(+start_of_safemem_atomic_text != +end_of_safemem_atomic_text);