Bananymous/banan-os
1
1
Fork 1
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Kernel: Rewrite whole scheduler

Browse Source 
Current context saving was very hacky and dependant on compiler
behaviour that was not consistent. Now we always use iret for
context saving. This makes everything more clean.
This commit is contained in:
Bananymous
2024-03-29 18:02:12 +02:00
parent 1b65f850ee
commit 5050047cef
18 changed files with 364 additions and 364 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
kernel/arch/x86_64/interrupts.S
View File

@@ -72,9 +72,7 @@ isr_stub:
irq_stub:
pushaq
movq 0x78(%rsp), %rdi # irq number
movq %rsp, %rsi
addq $136, %rsi
movq 120(%rsp), %rdi # irq number
call cpp_irq_handler
popaq
addq $16, %rsp
@@ -168,7 +166,15 @@ irq 28
irq 29
irq 30
irq 31
irq 32
.global asm_reschedule_handler
asm_reschedule_handler:
pushaq
leaq 120(%rsp), %rdi # interrupt stack ptr
movq %rsp, %rsi # interrupt register ptr
call cpp_reschedule_handler
popaq
iretq
// arguments in RAX, RBX, RCX, RDX, RSI, RDI
// System V ABI: RDI, RSI, RDX, RCX, R8, R9