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| author | Amlal El Mahrouss <amlal.elmahrouss@icloud.com> | 2025-03-23 19:13:48 +0100 |
|---|---|---|
| committer | Amlal El Mahrouss <amlal.elmahrouss@icloud.com> | 2025-03-23 19:15:17 +0100 |
| commit | a13e1c0911c0627184bc38f18c7fdda64447b3ad (patch) | |
| tree | 073a62c09bf216e85a3f310376640fa1805147f9 /dev/Kernel/HALKit/AMD64/HalInterruptAPI.asm | |
| parent | 149fa096eb306d03686b3b67e813cf1a78e08cd0 (diff) | |
meta(kernel): Reworked repository's filesystem structure.
Removing useless parts of the project too.
Signed-off-by: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>
Diffstat (limited to 'dev/Kernel/HALKit/AMD64/HalInterruptAPI.asm')
| -rw-r--r-- | dev/Kernel/HALKit/AMD64/HalInterruptAPI.asm | 402 |
1 files changed, 0 insertions, 402 deletions
diff --git a/dev/Kernel/HALKit/AMD64/HalInterruptAPI.asm b/dev/Kernel/HALKit/AMD64/HalInterruptAPI.asm deleted file mode 100644 index ffea6707..00000000 --- a/dev/Kernel/HALKit/AMD64/HalInterruptAPI.asm +++ /dev/null @@ -1,402 +0,0 @@ -;; /* -;; * --------------------------------------------------- -;; * -;; * Copyright (C) 2024-2025, Amlal EL Mahrouss, all rights reserved. -;; * -;; * File: HalInterruptAPI.asm -;; * Purpose: Interrupt API, redirect raw interrupts into their handlers. -;; * -;; * --------------------------------------------------- -;; */ - -[bits 64] - -%define kInterruptId 50 - -%macro IntExp 1 -global __NE_INT_%1 -__NE_INT_%1: - cld - - std - - o64 iret -%endmacro - -%macro IntNormal 1 -global __NE_INT_%1 -__NE_INT_%1: - cld - - std - - o64 iret -%endmacro - -; This file handles the core interrupt table -; Last edited 31/01/24 - -global ke_handle_irq -global kInterruptVectorTable - -extern idt_handle_gpf -extern idt_handle_pf -extern ke_io_write -extern idt_handle_ud -extern idt_handle_generic -extern idt_handle_breakpoint - -section .text - -__NE_INT_0: - cld - - mov al, 0x20 - out 0x20, al - - push rcx - call idt_handle_generic - pop rcx - - std - - o64 iret - -__NE_INT_1: - cld - - mov al, 0x20 - out 0x20, al - - push rcx - call idt_handle_generic - pop rcx - - std - - o64 iret - -__NE_INT_2: - cld - - mov al, 0x20 - out 0x20, al - - push rcx - call idt_handle_generic - pop rcx - - std - - o64 iret - -;; @brief Triggers a breakpoint and freeze the process. RIP is also fetched. -__NE_INT_3: - cld - - mov al, 0x20 - out 0x20, al - - push rcx - mov rcx, rsp - call idt_handle_generic - pop rcx - - std - - o64 iret - -__NE_INT_4: - cld - - mov al, 0x20 - out 0x20, al - - - push rcx - call idt_handle_generic - pop rcx - - std - - o64 iret - -__NE_INT_5: - cld - - mov al, 0x20 - out 0x20, al - - std - - o64 iret - -;; Invalid opcode interrupt -__NE_INT_6: - cld - - mov al, 0x20 - out 0x20, al - - push rcx - call idt_handle_generic - pop rcx - - std - - o64 iret - -__NE_INT_7: - cld - - mov al, 0x20 - out 0x20, al - - push rcx - call idt_handle_generic - pop rcx - - std - - o64 iret - -;; Invalid opcode interrupt -__NE_INT_8: - cld - - mov al, 0x20 - out 0xA0, al - out 0x20, al - - push rcx - call idt_handle_generic - pop rcx - - std - - o64 iret - -IntNormal 9 -IntExp 10 -IntExp 11 - -IntExp 12 - -__NE_INT_13: - cld - - mov al, 0x20 - out 0xA0, al - out 0x20, al - - push rcx - call idt_handle_gpf - pop rcx - - std - - o64 iret - -__NE_INT_14: - cld - - mov al, 0x20 - out 0xA0, al - out 0x20, al - - push rcx - call idt_handle_pf - pop rcx - - std - - o64 iret - -IntNormal 15 -IntNormal 16 -IntExp 17 -IntNormal 18 -IntNormal 19 -IntNormal 20 -IntNormal 21 - -IntNormal 22 - -IntNormal 23 -IntNormal 24 -IntNormal 25 -IntNormal 26 -IntNormal 27 -IntNormal 28 -IntNormal 29 -IntExp 30 -IntNormal 31 - -[extern idt_handle_scheduler] - -__NE_INT_32: - cld - - mov al, 0x20 - out 0xA0, al - out 0x20, al - - push rax - mov rcx, rsp - call idt_handle_scheduler - pop rax - - std - - o64 iret - -IntNormal 33 - -IntNormal 34 -IntNormal 35 -IntNormal 36 -IntNormal 37 -IntNormal 38 -IntNormal 39 -IntNormal 40 - -IntNormal 41 - -IntNormal 42 -IntNormal 43 -IntNormal 44 -IntNormal 45 -IntNormal 46 -IntNormal 47 -IntNormal 48 -IntNormal 49 - -[extern hal_system_call_enter] -[extern hal_kernel_call_enter] - -__NE_INT_50: - cld - - mov al, 0x20 - out 0xA0, al - out 0x20, al - - push rax - mov rax, hal_system_call_enter - - mov rcx, r8 - mov rdx, r9 - - call rax - pop rax - - std - - o64 iret - -__NE_INT_51: - cld - - mov al, 0x20 - out 0xA0, al - out 0x20, al - - push rax - mov rax, hal_kernel_call_enter - - mov rcx, r8 - mov rdx, r9 - - call rax - pop rax - - std - - o64 iret - -IntNormal 52 - -IntNormal 53 -IntNormal 54 -IntNormal 55 -IntNormal 56 -IntNormal 57 -IntNormal 58 -IntNormal 59 -IntNormal 60 - -%assign i 61 -%rep 195 - IntNormal i -%assign i i+1 -%endrep - -section .text - -[global hal_load_gdt] - -hal_load_gdt: - cld - - lgdt [rcx] - - mov ax, 0x10 - mov ds, ax - mov es, ax - mov fs, ax - mov gs, ax - mov ss, ax - - mov rax, 0x08 - push rax - push hal_reload_segments - - o64 retf - -extern hal_real_init - -hal_reload_segments: - std - jmp hal_real_init - ret - -global hal_load_idt - -hal_load_idt: - lidt [rcx] - - ; Master PIC initialization - mov al, 0x11 ; Start initialization in cascade mode - out 0x20, al ; Send initialization command to Master PIC - out 0xA0, al ; Send initialization command to Slave PIC - - ; Remap the PIC to use vectors 32-39 for Master and 40-47 for Slave - mov al, 0x20 ; Set Master PIC offset to 32 - out 0x21, al ; Send offset to Master PIC - - mov al, 0x28 ; Set Slave PIC offset to 40 - out 0xA1, al ; Send offset to Slave PIC - - ; Configure Master PIC to inform Slave PIC at IRQ2 - mov al, 0x04 ; Tell Master PIC there is a Slave PIC at IRQ2 - out 0x21, al - - ; Configure Slave PIC identity - mov al, 0x02 ; Tell Slave PIC its cascade identity - out 0xA1, al - - ; Set both PICs to 8086 mode - mov al, 0x01 ; 8086 mode - out 0x21, al - out 0xA1, al - - ret - -section .data - -kInterruptVectorTable: - %assign i 0 - %rep 256 - dq __NE_INT_%+i - %assign i i+1 - %endrep |