Damien Zammit via Bug reports for the GNU Hurd, le lun. 09 déc. 2024 12:17:23 +0000, a ecrit: > The current segmentation already adds -KERNELBASE. > But only when accessing the memory.
I have applied this part, thanks! > Don't forget to reload gdt. > > --- > i386/i386/cpuboot.S | 10 ++++++++-- > 1 file changed, 8 insertions(+), 2 deletions(-) > > diff --git a/i386/i386/cpuboot.S b/i386/i386/cpuboot.S > index 7e6c4770..9ac86845 100644 > --- a/i386/i386/cpuboot.S > +++ b/i386/i386/cpuboot.S > @@ -184,6 +185,11 @@ apboot_jmp_offset: > movw $PERCPU_DS, %ax > movw %ax, %gs > > + /* Reload the gdt because we changed it */ > + lgdtl apboot_gdt_descr Ah, no, you don't need to reload gdt itself when the content of the table has changed (and you would have to do that *before* setting %gs above anyway). > + ljmpl $KERNEL_CS, $2f And the cs segment hasn't changed anyway. Samuel
