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kernel: add some basic features

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+ feat list:
+ * gdt/idt
+ * brokie pmm
This commit is contained in:
RaphProductions 2025-05-18 15:54:12 +02:00
parent a1e27c2730
commit 89bb8c8a4b
31 changed files with 854 additions and 23 deletions
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111
kernel/src/arch/x86_64/idt.asm Normal file
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@ -0,0 +1,111 @@
%macro pushall 0
push rax
push rcx
push rdx
push rbx
push rbp
push rsi
push rdi
push r8
push r9
push r10
push r11
push r12
push r13
push r14
push r15
%endmacro
%macro popall 0
pop r15
pop r14
pop r13
pop r12
pop r11
pop r10
pop r9
pop r8
pop rdi
pop rsi
pop rbp
pop rbx
pop rdx
pop rcx
pop rax
%endmacro
%macro isr_err_stub 1
isr_stub_%+%1:
push %1 ; push intno into the stack
pushall
mov rdi, rsp ; put the stack as the first arg.
call idt_interrupt_handler
popall
add rsp, 16
iretq
%endmacro
%macro isr_no_err_stub 1
isr_stub_%+%1:
push 0 ; push the error code (0) into the stack
push %1 ; push intno into the stack
pushall
mov rdi, rsp ; put the stack as the first arg.
call idt_interrupt_handler
popall
add rsp, 16
iretq
%endmacro
extern idt_interrupt_handler
isr_no_err_stub 0
isr_no_err_stub 1
isr_no_err_stub 2
isr_no_err_stub 3
isr_no_err_stub 4
isr_no_err_stub 5
isr_no_err_stub 6
isr_no_err_stub 7
isr_err_stub 8
isr_no_err_stub 9
isr_err_stub 10
isr_err_stub 11
isr_err_stub 12
isr_err_stub 13
isr_err_stub 14
isr_no_err_stub 15
isr_no_err_stub 16
isr_err_stub 17
isr_no_err_stub 18
isr_no_err_stub 19
isr_no_err_stub 20
isr_no_err_stub 21
isr_no_err_stub 22
isr_no_err_stub 23
isr_no_err_stub 24
isr_no_err_stub 25
isr_no_err_stub 26
isr_no_err_stub 27
isr_no_err_stub 28
isr_no_err_stub 29
isr_err_stub 30
isr_no_err_stub 31
global isr_stub_table
isr_stub_table:
%assign i 0
%rep 32
dq isr_stub_%+i
%assign i i+1
%endrep