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| author | dzwdz | 2024-07-25 20:15:40 +0200 |
|---|---|---|
| committer | dzwdz | 2024-07-25 20:15:40 +0200 |
| commit | 24934406d5d39e013e22a9e6f4138c4169460d71 (patch) | |
| tree | 358f6c1dc386c50b85900a557321a256048737cd /src/kernel/arch/amd64/boot64.s | |
| parent | a6fabfb78e70b8096a8bf336aa64a3358a2f5eca (diff) | |
kernel: set up the GDT in assembly
This is just for simplicity's sake.
I think I could even omit the `movw $TSS, (GdtTss + 2)` and have the linker
fill that out as a relocation, but that would probably be more complex overall.
Diffstat (limited to 'src/kernel/arch/amd64/boot64.s')
| -rw-r--r-- | src/kernel/arch/amd64/boot64.s | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/src/kernel/arch/amd64/boot64.s b/src/kernel/arch/amd64/boot64.s deleted file mode 100644 index 9bd9f0c..0000000 --- a/src/kernel/arch/amd64/boot64.s +++ /dev/null @@ -1,12 +0,0 @@ -.global boot64 -boot64: - lgdt (lgdt_arg) // try reloading gdt again - mov $(6 << 3 | 3), %ax // SEG_TSS - ltr %ax - - push %rdi // preserve multiboot struct - call sysenter_setup - pop %rdi - - // multiboot struct in %rdi - jmp kmain_early |