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kernel: Support more than one I/O APIC and 24 interrupts.

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git-svn-id: svn://kolibrios.org@7733 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Ivan B
2020-03-02 04:25:30 +00:00
parent 57b2e6af66
commit cbceb320e8
5 changed files with 154 additions and 70 deletions
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39
kernel/trunk/core/irq.inc
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@@ -1,6 +1,6 @@
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;;
;; Copyright (C) KolibriOS team 2004-2020. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License ;;
;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -8,7 +8,7 @@
$Revision$
IRQ_RESERVED = 24
IRQ_RESERVED = 56
IRQ_POOL_SIZE = 48
@@ -20,11 +20,27 @@ irqh_tab rd sizeof.LHEAD * IRQ_RESERVED / 4
irqh_pool rd sizeof.IRQH * IRQ_POOL_SIZE /4
next_irqh rd 1
irq_active_set rd 1
irq_active_set rd (IRQ_RESERVED+31)/32
irq_failed rd IRQ_RESERVED
endg
set_irq_active:
mov eax, ebp
mov ecx, ebp
shr ecx, 5
and eax, 31
bts [irq_active_set+ecx*4], eax
ret
reset_irq_active:
mov eax, ebp
mov ecx, ebp
shr ecx, 5
and eax, 31
btr [irq_active_set+ecx*4], eax
ret
align 4
init_irqs:
@@ -137,20 +153,15 @@ align 4
align 16
irq_serv:
; .irq_1:
; push 1
; jmp .main
; etc...
irq_serv_h 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15
irq_serv_h 16, 17, 18, 19, 20, 21, 22, 23
rept 12 irqn:1 {irq_serv_h irqn} ; 1--12
rept 18 irqn:14 {irq_serv_h irqn} ; 14--31 (irq32 is vector 0x40)
rept 23 irqn:33 {irq_serv_h irqn} ; 33--55
purge irq_serv_h
align 16
.main:
save_ring3_context
mov ebp, [esp + 32]
mov bx, app_data;os_data
mov ds, bx
@@ -159,7 +170,7 @@ align 16
cmp [v86_irqhooks+ebp*8], 0
jnz v86_irq
bts [irq_active_set], ebp
call set_irq_active
lea esi, [irqh_tab+ebp*8] ; esi= list head
mov ebx, esi
@@ -184,11 +195,11 @@ align 16
jz .next
inc [ebx+IRQH.num_ints]
btr [irq_active_set], ebp
call reset_irq_active
jmp .next
.done:
btr [irq_active_set], ebp
call reset_irq_active
jnc .exit
; There is at least one configuration with one device which generates IRQ