Simplify task switches

No longer using the rsp from the entry to the kernel, but instead
switching rsp at task-switching time in assembly.

This currently breaks fork()
This commit is contained in:
Justin C. Miller
2019-03-31 22:49:24 -07:00
parent 5cdbedd4d1
commit ca2362f858
21 changed files with 311 additions and 178 deletions

View File

@@ -28,7 +28,6 @@ syscall_handler_prelude:
mov rdi, rsp
call syscall_handler
mov rsp, rax
mov rax, [rsp + 0x90]
and rax, 0x3