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Kernel: Fix multiprocessing on x86_64

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I did not even start APs after initializing them... :D
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Bananymous
2024-04-03 14:21:55 +03:00
parent 731330c6b5
commit f8c01418b1
8 changed files with 88 additions and 74 deletions
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46
kernel/arch/x86_64/Syscall.S
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@@ -1,3 +1,49 @@
// arguments in RAX, RBX, RCX, RDX, RSI, RDI
// System V ABI: RDI, RSI, RDX, RCX, R8, R9
.global asm_syscall_handler
asm_syscall_handler:
pushq %rbx
pushq %rcx
pushq %rdx
pushq %rdi
pushq %rsi
pushq %rbp
pushq %r8
pushq %r9
pushq %r10
pushq %r11
pushq %r12
pushq %r13
pushq %r14
pushq %r15
movq %rsi, %r8
movq %rdi, %r9
movq %rax, %rdi
movq %rbx, %rsi
xchgq %rcx, %rdx
leaq 112(%rsp), %rbx
pushq %rbx
call cpp_syscall_handler
addq $8, %rsp
popq %r15
popq %r14
popq %r13
popq %r12
popq %r11
popq %r10
popq %r9
popq %r8
popq %rbp
popq %rsi
popq %rdi
popq %rdx
popq %rcx
popq %rbx
iretq
.global sys_fork_trampoline
sys_fork_trampoline:
pushq %rbx