kernel/interrupt.asm

[bits 32]
extern isr_handler
extern irq_handler

%macro ISR_NOERRCODE 1
  global isr%1
  isr%1:
    cli
    push byte 0
    push byte %1
    jmp isr_common_stub
%endmacro

%macro ISR_ERRCODE 1
  global isr%1
  isr%1:
    cli
    push byte %1
    jmp isr_common_stub
%endmacro

%macro IRQ 2
  global irq%1
  irq%1:
    cli
    push byte 0
    push byte %2
    jmp irq_common_stub
%endmacro

ISR_NOERRCODE  0
ISR_NOERRCODE  1
ISR_NOERRCODE  2
ISR_NOERRCODE  3
ISR_NOERRCODE  4
ISR_NOERRCODE  5
ISR_NOERRCODE  6
ISR_NOERRCODE  7
ISR_ERRCODE  8
ISR_NOERRCODE  9
ISR_ERRCODE 10
ISR_ERRCODE 11
ISR_ERRCODE 12
ISR_ERRCODE 13
ISR_ERRCODE 14
ISR_NOERRCODE 15
ISR_NOERRCODE 16
ISR_NOERRCODE 17
ISR_NOERRCODE 18
ISR_NOERRCODE 19
ISR_NOERRCODE 20
ISR_NOERRCODE 21
ISR_NOERRCODE 22
ISR_NOERRCODE 23
ISR_NOERRCODE 24
ISR_NOERRCODE 25
ISR_NOERRCODE 26
ISR_NOERRCODE 27
ISR_NOERRCODE 28
ISR_NOERRCODE 29
ISR_NOERRCODE 30
ISR_NOERRCODE 31

IRQ  0, 32
IRQ  1, 33
IRQ  2, 34
IRQ  3, 35
IRQ  4, 36
IRQ  5, 37
IRQ  6, 38
IRQ  7, 39
IRQ  8, 40
IRQ  9, 41
IRQ 10, 42
IRQ 11, 43
IRQ 12, 44
IRQ 13, 45
IRQ 14, 46
IRQ 15, 47

isr_common_stub:
   pusha ; push edi, esi, ebp, esp, ebx, edx, ecx, eax

   ; push mxcsr
   sub esp, 4
   stmxcsr [esp]

   ; push cr2
   mov eax, cr2
   push eax

   call isr_handler

   ; discard cr2
   add esp, 4

   ; restore mxcsr
   ldmxcsr [esp]
   add esp, 4

   popa       ; pop edi, esi, ebp, esp, ebx, edx, ecx, eax
   add esp, 8 ; discard error code and ISR number
   sti        ; re-enable interrupts
   iret       ; restore cs, eip, eflags, ss, esp

irq_common_stub:
   pusha ; push edi, esi, ebp, esp, ebx, edx, ecx, eax

   ; push mxcsr
   sub     esp,    4
   stmxcsr [esp]

   ; push cr2
   mov eax, cr2
   push eax

   call irq_handler

   ; discard cr2
   add esp, 4

   ; restore mxcsr
   ldmxcsr [esp]
   add     esp,    4

   popa           ; pop edi, esi, ebp, esp, ebx, edx, ecx, eax
   add esp, 8     ; discard error code and IRQ number
   sti            ; re-enable interrupts
   iret           ; restore cs, eip, eflags, ss, esp
Populate IDT and test interrupts 2018-09-07 00:32:45 -04:00			`[bits 32]`
Add fatfs; copy a bunch of sample ahci code 2018-09-27 17:31:08 -04:00			`extern isr_handler`
			`extern irq_handler`
Populate IDT and test interrupts 2018-09-07 00:32:45 -04:00
Initial work on handling memory pages w/in kmalloc 2018-10-09 01:42:28 -04:00			`%macro ISR_NOERRCODE 1`
			`global isr%1`
Populate IDT and test interrupts 2018-09-07 00:32:45 -04:00			`isr%1:`
			`cli`
			`push byte 0`
			`push byte %1`
			`jmp isr_common_stub`
			`%endmacro`

			`%macro ISR_ERRCODE 1`
Add fatfs; copy a bunch of sample ahci code 2018-09-27 17:31:08 -04:00			`global isr%1`
Populate IDT and test interrupts 2018-09-07 00:32:45 -04:00			`isr%1:`
			`cli`
			`push byte %1`
			`jmp isr_common_stub`
			`%endmacro`

IRQs & experimental PTI timer support 2018-09-07 13:49:25 -04:00			`%macro IRQ 2`
			`global irq%1`
			`irq%1:`
			`cli`
			`push byte 0`
			`push byte %2`
			`jmp irq_common_stub`
			`%endmacro`

			`ISR_NOERRCODE 0`
			`ISR_NOERRCODE 1`
			`ISR_NOERRCODE 2`
			`ISR_NOERRCODE 3`
			`ISR_NOERRCODE 4`
			`ISR_NOERRCODE 5`
			`ISR_NOERRCODE 6`
			`ISR_NOERRCODE 7`
Fix FPU instructions; initial work on ELF parsing & DWARF info 2018-09-29 19:38:42 -04:00			`ISR_ERRCODE 8`
IRQs & experimental PTI timer support 2018-09-07 13:49:25 -04:00			`ISR_NOERRCODE 9`
Fix FPU instructions; initial work on ELF parsing & DWARF info 2018-09-29 19:38:42 -04:00			`ISR_ERRCODE 10`
			`ISR_ERRCODE 11`
			`ISR_ERRCODE 12`
			`ISR_ERRCODE 13`
			`ISR_ERRCODE 14`
Populate IDT and test interrupts 2018-09-07 00:32:45 -04:00			`ISR_NOERRCODE 15`
			`ISR_NOERRCODE 16`
			`ISR_NOERRCODE 17`
			`ISR_NOERRCODE 18`
			`ISR_NOERRCODE 19`
			`ISR_NOERRCODE 20`
			`ISR_NOERRCODE 21`
			`ISR_NOERRCODE 22`
			`ISR_NOERRCODE 23`
			`ISR_NOERRCODE 24`
			`ISR_NOERRCODE 25`
			`ISR_NOERRCODE 26`
			`ISR_NOERRCODE 27`
			`ISR_NOERRCODE 28`
			`ISR_NOERRCODE 29`
			`ISR_NOERRCODE 30`
			`ISR_NOERRCODE 31`

IRQs & experimental PTI timer support 2018-09-07 13:49:25 -04:00			`IRQ 0, 32`
			`IRQ 1, 33`
			`IRQ 2, 34`
			`IRQ 3, 35`
			`IRQ 4, 36`
			`IRQ 5, 37`
			`IRQ 6, 38`
			`IRQ 7, 39`
			`IRQ 8, 40`
			`IRQ 9, 41`
			`IRQ 10, 42`
			`IRQ 11, 43`
			`IRQ 12, 44`
			`IRQ 13, 45`
			`IRQ 14, 46`
			`IRQ 15, 47`

Populate IDT and test interrupts 2018-09-07 00:32:45 -04:00			`isr_common_stub:`
Initial work on handling memory pages w/in kmalloc 2018-10-09 01:42:28 -04:00			`pusha ; push edi, esi, ebp, esp, ebx, edx, ecx, eax`
Populate IDT and test interrupts 2018-09-07 00:32:45 -04:00
Initial work on handling memory pages w/in kmalloc 2018-10-09 01:42:28 -04:00			`; push mxcsr`
			`sub esp, 4`
Fix ISR/IRQ issues 2018-10-01 20:51:57 -04:00			`stmxcsr [esp]`

Initial work on handling memory pages w/in kmalloc 2018-10-09 01:42:28 -04:00			`; push cr2`
Attempt to display ABGR bitmap images 2018-10-07 00:34:59 -04:00			`mov eax, cr2`
Initial work on handling memory pages w/in kmalloc 2018-10-09 01:42:28 -04:00			`push eax`
Populate IDT and test interrupts 2018-09-07 00:32:45 -04:00
			`call isr_handler`

Initial work on handling memory pages w/in kmalloc 2018-10-09 01:42:28 -04:00			`; discard cr2`
			`add esp, 4`
Populate IDT and test interrupts 2018-09-07 00:32:45 -04:00
Initial work on handling memory pages w/in kmalloc 2018-10-09 01:42:28 -04:00			`; restore mxcsr`
Fix ISR/IRQ issues 2018-10-01 20:51:57 -04:00			`ldmxcsr [esp]`
Initial work on handling memory pages w/in kmalloc 2018-10-09 01:42:28 -04:00			`add esp, 4`
Fix ISR/IRQ issues 2018-10-01 20:51:57 -04:00
Initial work on handling memory pages w/in kmalloc 2018-10-09 01:42:28 -04:00			`popa ; pop edi, esi, ebp, esp, ebx, edx, ecx, eax`
			`add esp, 8 ; discard error code and ISR number`
			`sti ; re-enable interrupts`
			`iret ; restore cs, eip, eflags, ss, esp`
IRQs & experimental PTI timer support 2018-09-07 13:49:25 -04:00
			`irq_common_stub:`
Initial work on handling memory pages w/in kmalloc 2018-10-09 01:42:28 -04:00			`pusha ; push edi, esi, ebp, esp, ebx, edx, ecx, eax`
IRQs & experimental PTI timer support 2018-09-07 13:49:25 -04:00
Initial work on handling memory pages w/in kmalloc 2018-10-09 01:42:28 -04:00			`; push mxcsr`
Fix ISR/IRQ issues 2018-10-01 20:51:57 -04:00			`sub esp, 4`
			`stmxcsr [esp]`

Initial work on handling memory pages w/in kmalloc 2018-10-09 01:42:28 -04:00			`; push cr2`
Attempt to display ABGR bitmap images 2018-10-07 00:34:59 -04:00			`mov eax, cr2`
Initial work on handling memory pages w/in kmalloc 2018-10-09 01:42:28 -04:00			`push eax`
IRQs & experimental PTI timer support 2018-09-07 13:49:25 -04:00
			`call irq_handler`

Initial work on handling memory pages w/in kmalloc 2018-10-09 01:42:28 -04:00			`; discard cr2`
			`add esp, 4`
IRQs & experimental PTI timer support 2018-09-07 13:49:25 -04:00
Initial work on handling memory pages w/in kmalloc 2018-10-09 01:42:28 -04:00			`; restore mxcsr`
Fix ISR/IRQ issues 2018-10-01 20:51:57 -04:00			`ldmxcsr [esp]`
			`add esp, 4`

Initial work on handling memory pages w/in kmalloc 2018-10-09 01:42:28 -04:00			`popa ; pop edi, esi, ebp, esp, ebx, edx, ecx, eax`
			`add esp, 8 ; discard error code and IRQ number`
			`sti ; re-enable interrupts`
			`iret ; restore cs, eip, eflags, ss, esp`