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scheduler + thread_start rework

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Christoph Urlacher
2022-07-22 02:33:45 +02:00
parent 9ad0d81d07
commit 7e86f961fe
3 changed files with 116 additions and 67 deletions
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19
c_os/kernel/threads/Thread.asm
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@ -56,7 +56,21 @@ Thread_start:
;; };
;; Load the contents of CoroutineState to the registers
;; NOTE: I added all the registers saved in thread_state as I use it to switch to a new thread when the old thread
;; was killed/exited before (so thread_state not available)
mov ebx, [eax + efl_offset] ; restore eflags before restoring ebx
push ebx ; could be pushed directly from address but i didn't want to specify wordsize
popf
mov ebx, [eax + ebx_offset] ; restore other regs
mov esi, [eax + esi_offset]
mov edi, [eax + edi_offset]
mov ebp, [eax + ebp_offset]
mov esp, [eax + esp_offset]
mov ecx, [eax + ecx_offset]
mov edx, [eax + edx_offset]
mov eax, [eax + eax_offset] ; restore eax
;; The stackpointer now points to the coroutine stack
;; struct CoroutineState {
@ -67,6 +81,11 @@ Thread_start:
;; == Low address ==
;; };
;; Reenable interrupts
;; NOTE: I added this also to Thread_start as I use it to switch to a new thread when the old thread
;; was killed/exited before (so thread_state not available)
sti
;; Return to kickoff
ret