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Implement fast syscall/sysret for sytem calls

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Justin C. Miller
2019-03-13 23:51:29 -07:00
parent 97e8f2c69a
commit f7558e3d18
9 changed files with 77 additions and 21 deletions
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9
src/kernel/loader.s
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@@ -18,6 +18,15 @@ ramdisk_process_loader:
mov rdx, rcx
call load_process
swapgs
xor rax, rax
mov ax, ss
mov ds, ax
mov es, ax
mov fs, ax
mov gs, ax
pop_all_and_segments
add rsp, 16 ; because the ISRs add err/num
iretq