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Rev | Author | Line No. | Line |
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1638 | serge | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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2209 | Serge | 3 | ;; Copyright (C) KolibriOS team 2004-2011. All rights reserved. ;; |
1638 | serge | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
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6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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7 | |||
2130 | serge | 8 | IRQ_RESERVED = 24 ; 16 or 24 |
1638 | serge | 9 | |
10 | iglobal |
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2010 | serge | 11 | IRQ_COUNT dd 24 |
1638 | serge | 12 | endg |
13 | |||
14 | uglobal |
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2212 | Serge | 15 | APIC rd 1 |
16 | IOAPIC_base rd 1 |
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17 | LAPIC_BASE rd 1 |
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1638 | serge | 18 | endg |
19 | |||
2217 | Serge | 20 | APIC_ID equ 0x20 |
21 | APIC_TPR equ 0x80 |
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22 | APIC_EOI equ 0xb0 |
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23 | APIC_LDR equ 0xd0 |
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24 | APIC_DFR equ 0xe0 |
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25 | APIC_SVR equ 0xf0 |
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26 | APIC_ISR equ 0x100 |
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27 | APIC_ESR equ 0x280 |
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28 | APIC_ICRL equ 0x300 |
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29 | APIC_ICRH equ 0x310 |
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1638 | serge | 30 | APIC_LVT_LINT0 equ 0x350 |
31 | APIC_LVT_LINT1 equ 0x360 |
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2217 | Serge | 32 | APIC_LVT_err equ 0x370 |
1638 | serge | 33 | |
34 | ; APIC timer |
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35 | APIC_LVT_timer equ 0x320 |
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36 | APIC_timer_div equ 0x3e0 |
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37 | APIC_timer_init equ 0x380 |
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38 | APIC_timer_cur equ 0x390 |
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39 | ; IOAPIC |
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2217 | Serge | 40 | IOAPIC_ID equ 0x0 |
41 | IOAPIC_VER equ 0x1 |
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42 | IOAPIC_ARB equ 0x2 |
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43 | IOAPIC_REDTBL equ 0x10 |
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1638 | serge | 44 | |
2217 | Serge | 45 | align 4 |
1638 | serge | 46 | APIC_init: |
2217 | Serge | 47 | mov dword[APIC], 0 |
2010 | serge | 48 | |
2217 | Serge | 49 | mov eax, [acpi_ioapic_base] |
50 | test eax, eax |
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51 | jz .no_apic |
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2212 | Serge | 52 | |
2217 | Serge | 53 | call IRQ_mask_all |
2010 | serge | 54 | |
1638 | serge | 55 | ; IOAPIC init |
2217 | Serge | 56 | stdcall map_io_mem, [acpi_ioapic_base], 0x20, PG_SW |
57 | mov [IOAPIC_base], eax |
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2010 | serge | 58 | |
2217 | Serge | 59 | mov eax, IOAPIC_VER |
60 | call IOAPIC_read |
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61 | shr eax, 16 |
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62 | inc al |
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63 | movzx eax, al |
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64 | cmp al, IRQ_RESERVED |
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65 | jbe @f |
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66 | |||
67 | mov al, IRQ_RESERVED |
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2130 | serge | 68 | @@: |
2217 | Serge | 69 | mov [IRQ_COUNT], eax |
1638 | serge | 70 | |
71 | ; Reroute IOAPIC & mask all interrupts |
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2217 | Serge | 72 | xor ecx, ecx |
73 | mov eax, IOAPIC_REDTBL |
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74 | @@: |
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75 | mov ebx, eax |
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76 | call IOAPIC_read |
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77 | mov ah, 0x09 ; Delivery Mode: Lowest Priority, Destination Mode: Logical |
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78 | mov al, cl |
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79 | add al, 0x20 ; vector |
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80 | or eax, 0x10000 ; Mask Interrupt |
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81 | cmp ecx, 16 |
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82 | jb .set |
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83 | |||
84 | or eax, 0xa000 ;<<< level-triggered active-low for IRQ16+ |
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1638 | serge | 85 | .set: |
2217 | Serge | 86 | xchg eax, ebx |
87 | call IOAPIC_write |
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88 | inc eax |
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89 | mov ebx, eax |
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90 | call IOAPIC_read |
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91 | or eax, 0xff000000 ; Destination Field |
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92 | xchg eax, ebx |
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93 | call IOAPIC_write |
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94 | inc eax |
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95 | inc ecx |
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96 | cmp ecx, [IRQ_COUNT] |
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97 | jb @b |
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1638 | serge | 98 | |
2217 | Serge | 99 | call LAPIC_init |
2010 | serge | 100 | |
2217 | Serge | 101 | mov dword[APIC], 0xffffffff |
2010 | serge | 102 | |
2217 | Serge | 103 | mov al, 0x70 |
104 | out 0x22, al |
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105 | mov al, 1 |
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106 | out 0x23, al |
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2010 | serge | 107 | |
1638 | serge | 108 | ; mov dword[irq_type_to_set], IRQ_TYPE_APIC |
2049 | serge | 109 | |
2217 | Serge | 110 | .no_apic: |
111 | |||
2049 | serge | 112 | ;init handlers table |
113 | |||
2217 | Serge | 114 | mov ecx, IRQ_RESERVED |
115 | mov edi, irqh_tab |
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2049 | serge | 116 | @@: |
2217 | Serge | 117 | mov eax, edi |
118 | stosd |
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119 | stosd |
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120 | loop @B |
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2049 | serge | 121 | |
2217 | Serge | 122 | mov ecx, 47 |
123 | mov eax, irqh_pool+IRQH.sizeof |
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124 | mov [next_irqh], irqh_pool |
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2049 | serge | 125 | @@: |
2217 | Serge | 126 | mov [eax-IRQH.sizeof], eax |
127 | add eax, IRQH.sizeof |
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128 | loop @B |
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2049 | serge | 129 | |
2217 | Serge | 130 | mov [eax-IRQH.sizeof], dword 0 |
2049 | serge | 131 | |
2217 | Serge | 132 | ret |
2010 | serge | 133 | |
1638 | serge | 134 | ;=========================================================== |
135 | align 4 |
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136 | LAPIC_init: |
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137 | ; Check MSR support |
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138 | ;.... |
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139 | ; Get LAPIC base address |
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2212 | Serge | 140 | ; mov ecx, 0x1b |
141 | ; rdmsr ; it may be replaced to |
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142 | ; and ax, 0xf000 ; mov eax, 0xfee00000 |
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2010 | serge | 143 | |
2217 | Serge | 144 | stdcall map_io_mem, [acpi_lapic_base], 0x1000, PG_SW |
145 | mov [LAPIC_BASE], eax |
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146 | mov esi, eax |
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2010 | serge | 147 | |
1638 | serge | 148 | ; Program Destination Format Register for Flat mode. |
2217 | Serge | 149 | mov eax, [esi + APIC_DFR] |
150 | or eax, 0xf0000000 |
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151 | mov [esi + APIC_DFR], eax |
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2010 | serge | 152 | |
1638 | serge | 153 | ; Program Logical Destination Register. |
2217 | Serge | 154 | mov eax, [esi + APIC_LDR] |
155 | ;and eax, 0xff000000 |
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156 | and eax, 0x00ffffff |
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157 | or eax, 0x01000000 ;!!!!!!!!!!!! |
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158 | mov [esi + APIC_LDR], eax |
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2010 | serge | 159 | |
1638 | serge | 160 | ; Task Priority Register initialization. |
2217 | Serge | 161 | mov eax, [esi + APIC_TPR] |
162 | and eax, 0xffffff00 |
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163 | mov [esi + APIC_TPR], eax |
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1638 | serge | 164 | |
165 | ; Flush the queue |
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2217 | Serge | 166 | mov edx, 0 |
167 | .nxt2: |
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168 | mov ecx, 32 |
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169 | mov eax, [esi + APIC_ISR + edx] |
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170 | .nxt: |
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171 | shr eax, 1 |
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172 | jnc @f |
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173 | mov dword [esi + APIC_EOI], 0 ; EOI |
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174 | @@: |
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175 | loop .nxt |
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1638 | serge | 176 | |
2217 | Serge | 177 | add edx, 0x10 |
178 | cmp edx, 0x170 |
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179 | jbe .nxt2 |
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180 | |||
1638 | serge | 181 | ; Spurious-Interrupt Vector Register initialization. |
2217 | Serge | 182 | mov eax, [esi + APIC_SVR] |
183 | or eax, 0x1ff |
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184 | and eax, 0xfffffdff |
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185 | mov [esi + APIC_SVR], eax |
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1638 | serge | 186 | |
187 | ; Initialize LVT LINT0 register. (INTR) |
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2217 | Serge | 188 | mov eax, 0x00700 |
189 | ; mov eax, 0x10700 |
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190 | mov [esi + APIC_LVT_LINT0], eax |
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1638 | serge | 191 | |
192 | ; Initialize LVT LINT1 register. (NMI) |
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2217 | Serge | 193 | mov eax, 0x00400 |
194 | mov [esi + APIC_LVT_LINT1], eax |
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1638 | serge | 195 | |
196 | ; Initialize LVT Error register. |
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2217 | Serge | 197 | mov eax, [esi + APIC_LVT_err] |
198 | or eax, 0x10000 ; bit 16 |
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199 | mov [esi + APIC_LVT_err], eax |
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2010 | serge | 200 | |
1638 | serge | 201 | ; LAPIC timer |
202 | ; pre init |
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2217 | Serge | 203 | mov dword[esi + APIC_timer_div], 1011b ; 1 |
204 | mov dword[esi + APIC_timer_init], 0xffffffff ; max val |
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205 | push esi |
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206 | mov esi, 640 ; wait 0.64 sec |
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207 | call delay_ms |
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208 | pop esi |
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209 | mov eax, [esi + APIC_timer_cur] ; read current tick couner |
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210 | xor eax, 0xffffffff ; eax = 0xffffffff - eax |
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211 | shr eax, 6 ; eax /= 64; APIC ticks per 0.01 sec |
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2010 | serge | 212 | |
1638 | serge | 213 | ; Start (every 0.01 sec) |
2217 | Serge | 214 | mov dword[esi + APIC_LVT_timer], 0x30020 ; periodic int 0x20 |
215 | mov dword[esi + APIC_timer_init], eax |
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216 | ret |
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2010 | serge | 217 | |
1638 | serge | 218 | ;=========================================================== |
219 | ; IOAPIC implementation |
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220 | align 4 |
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221 | IOAPIC_read: |
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222 | ; in : EAX - IOAPIC register |
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223 | ; out: EAX - readed value |
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2217 | Serge | 224 | push esi |
225 | mov esi, [IOAPIC_base] |
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226 | mov [esi], eax |
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227 | mov eax, [esi + 0x10] |
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228 | pop esi |
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229 | ret |
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230 | |||
1638 | serge | 231 | align 4 |
232 | IOAPIC_write: |
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233 | ; in : EAX - IOAPIC register |
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234 | ; EBX - value |
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235 | ; out: none |
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2217 | Serge | 236 | push esi |
237 | mov esi, [IOAPIC_base] |
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238 | mov [esi], eax |
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239 | mov [esi + 0x10], ebx |
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240 | pop esi |
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241 | ret |
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1638 | serge | 242 | ;=========================================================== |
243 | ; Remap all IRQ to 0x20+ Vectors |
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244 | ; IRQ0 to vector 0x20, IRQ1 to vector 0x21.... |
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245 | PIC_init: |
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2217 | Serge | 246 | cli |
247 | mov al,0x11 ; icw4, edge triggered |
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248 | out 0x20,al |
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249 | out 0xA0,al |
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1638 | serge | 250 | |
2217 | Serge | 251 | mov al,0x20 ; generate 0x20 + |
252 | out 0x21,al |
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253 | mov al,0x28 ; generate 0x28 + |
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254 | out 0xA1,al |
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1638 | serge | 255 | |
2217 | Serge | 256 | mov al,0x04 ; slave at irq2 |
257 | out 0x21,al |
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258 | mov al,0x02 ; at irq9 |
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259 | out 0xA1,al |
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1638 | serge | 260 | |
2217 | Serge | 261 | mov al,0x01 ; 8086 mode |
262 | out 0x21,al |
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263 | out 0xA1,al |
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1638 | serge | 264 | |
2217 | Serge | 265 | call IRQ_mask_all |
1638 | serge | 266 | ; mov dword[irq_type_to_set], IRQ_TYPE_PIC |
2217 | Serge | 267 | ret |
1638 | serge | 268 | |
269 | ; ----------------------------------------- |
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270 | ; TIMER SET TO 1/100 S |
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271 | PIT_init: |
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2217 | Serge | 272 | mov al,0x34 ; set to 100Hz |
273 | out 0x43,al |
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274 | mov al,0x9b ; lsb 1193180 / 1193 |
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275 | out 0x40,al |
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276 | mov al,0x2e ; msb |
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277 | out 0x40,al |
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278 | ret |
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1638 | serge | 279 | |
280 | ; ----------------------------------------- |
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281 | unmask_timer: |
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2217 | Serge | 282 | test dword[APIC], 0xffffffff |
283 | jnz @f |
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284 | stdcall enable_irq, 0 |
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285 | ret |
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2049 | serge | 286 | @@: |
1638 | serge | 287 | ; use PIT |
288 | ; in some systems PIT no connected to IOAPIC |
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289 | ; mov eax, 0x14 |
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290 | ; call IOAPIC_read |
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291 | ; mov ah, 0x09 ; Delivery Mode: Lowest Priority, Destination Mode: Logical |
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292 | ; mov al, 0x20 |
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293 | ; or eax, 0x10000 ; Mask Interrupt |
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294 | ; mov ebx, eax |
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295 | ; mov eax, 0x14 |
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296 | ; call IOAPIC_write |
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297 | ; stdcall enable_irq, 2 |
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298 | ; ret |
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2049 | serge | 299 | |
1638 | serge | 300 | ; use LAPIC timer |
2217 | Serge | 301 | mov esi, [LAPIC_BASE] |
302 | mov eax, [esi + APIC_LVT_timer] |
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303 | and eax, 0xfffeffff |
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304 | mov [esi + APIC_LVT_timer], eax |
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305 | ret |
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1638 | serge | 306 | |
307 | ; ----------------------------------------- |
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308 | ; Disable all IRQ |
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309 | IRQ_mask_all: |
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2217 | Serge | 310 | test dword[APIC], 0xffffffff |
311 | jnz .APIC |
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312 | mov al, 0xFF |
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313 | out 0x21, al |
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314 | out 0xA1, al |
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315 | mov ecx,0x1000 |
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316 | ret |
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1638 | serge | 317 | .APIC: |
2217 | Serge | 318 | mov ecx, [IRQ_COUNT] |
319 | mov eax, 0x10 |
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320 | @@: |
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321 | mov ebx, eax |
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322 | call IOAPIC_read |
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323 | or eax, 0x10000 ; bit 16 |
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324 | xchg eax, ebx |
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325 | call IOAPIC_write |
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326 | inc eax |
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327 | inc eax |
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328 | loop @b |
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329 | ret |
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330 | |||
1638 | serge | 331 | ; ----------------------------------------- |
332 | ; End Of Interrupt |
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2166 | serge | 333 | ; cl - IRQ number |
1638 | serge | 334 | align 16 |
2166 | serge | 335 | irq_eoi: ; __fastcall |
2217 | Serge | 336 | test dword[APIC], 0xffffffff |
337 | jnz .APIC |
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338 | |||
339 | cmp cl, 8 |
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340 | mov al, 0x20 |
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341 | jb @f |
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342 | out 0xa0, al |
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2166 | serge | 343 | @@: |
2217 | Serge | 344 | out 0x20, al |
345 | ret |
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2166 | serge | 346 | |
2049 | serge | 347 | .APIC: |
2217 | Serge | 348 | mov eax, [LAPIC_BASE] |
349 | mov dword [eax + APIC_EOI], 0 ; EOI |
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350 | ret |
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2049 | serge | 351 | |
1638 | serge | 352 | ; ----------------------------------------- |
353 | ; from dll.inc |
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354 | align 4 |
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355 | proc enable_irq stdcall, irq_line:dword |
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2217 | Serge | 356 | mov ebx, [irq_line] |
357 | test dword[APIC], 0xffffffff |
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358 | jnz .APIC |
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359 | |||
360 | mov edx, 0x21 |
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361 | cmp ebx, 8 |
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362 | jb @F |
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363 | |||
364 | mov edx, 0xA1 |
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365 | sub ebx,8 |
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1638 | serge | 366 | @@: |
2217 | Serge | 367 | in al,dx |
368 | btr eax, ebx |
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369 | out dx, al |
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370 | ret |
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1638 | serge | 371 | .APIC: |
2217 | Serge | 372 | shl ebx, 1 |
373 | add ebx, 0x10 |
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374 | mov eax, ebx |
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375 | call IOAPIC_read |
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376 | and eax, 0xfffeffff ; bit 16 |
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377 | xchg eax, ebx |
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378 | call IOAPIC_write |
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379 | ret |
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1638 | serge | 380 | endp |
381 | |||
382 | |||
383 | |||
384 | ; IRQ_TYPE_DISABLE equ 0 |
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385 | ; IRQ_TYPE_PIC equ 1 |
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386 | ; IRQ_TYPE_APIC equ 2 |
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387 | |||
388 | ; uglobal |
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389 | ; irq_type_to_set rd 1 |
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390 | ; irq_types rd IRQ_RESERVE |
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391 | ; endg |
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392 | |||
393 | ; ----------------------------------------- |
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394 | ; End Of Interrupt |
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395 | ; al - IRQ number |
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396 | ; align 16 |
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397 | ; IRQ_EOI: |
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398 | ; movzx eax, al |
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399 | ; cmp dword[irq_types + eax * 4], IRQ_TYPE_APIC |
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400 | ; jne @f |
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401 | ; mov eax, [LAPIC_BASE] |
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402 | ; mov dword [eax + APIC_EOI], 0 ; EOI |
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403 | ; ret |
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404 | ; @@: |
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405 | ; cmp al, 8 |
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406 | ; mov al, 0x20 |
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407 | ; jb @f |
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408 | ; out 0xa0, al |
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409 | ; @@: out 0x20, al |
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410 | ; ret |
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411 | |||
412 | ; align 4 |
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413 | ; proc enable_irq stdcall, irq_line:dword |
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414 | ; cmp dword[irq_type_to_set], IRQ_TYPE_APIC |
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415 | ; jne @f |
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416 | ; stdcall APIC_enable_irq, [irq_line] |
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417 | ; ret |
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418 | ; @@: stdcall PIC_enable_irq, [irq_line] |
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419 | ; ret |
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420 | ; endp |
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421 | |||
422 | ; align 4 |
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423 | ; proc disable_irq stdcall, irq_line:dword |
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424 | ; push eax |
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425 | ; mov eax, [irq_line] |
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426 | ; cmp dword[irq_types + eax * 4], IRQ_TYPE_APIC |
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427 | ; jne @f |
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428 | ; stdcall APIC_disable_irq, eax |
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429 | ; pop eax |
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430 | ; ret |
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431 | ; @@: stdcall PIC_disable_irq, eax |
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432 | ; pop eax |
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433 | ; ret |
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434 | ; endp |
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435 | |||
436 | ; align 4 |
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437 | ; proc PIC_enable_irq stdcall, irq_line:dword |
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438 | ; pusha |
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439 | ; mov ebx, [irq_line] |
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440 | ; mov eax, [irq_types + ebx * 4] |
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441 | ; cmp eax, IRQ_TYPE_DISABLE |
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442 | ; je @f |
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443 | ; cmp eax, IRQ_TYPE_PIC |
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444 | ; je @f |
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445 | ; stdcall disable_irq, ebx |
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446 | ; @@: mov dword[irq_types + ebx * 4], IRQ_TYPE_PIC |
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447 | ; mov edx, 0x21 |
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448 | ; cmp ebx, 8 |
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449 | ; jb @F |
||
450 | ; mov edx, 0xA1 |
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451 | ; sub ebx,8 |
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452 | ; @@: in al,dx |
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453 | ; btr eax, ebx |
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454 | ; out dx, al |
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455 | ; popa |
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456 | ; ret |
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457 | ; endp |
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458 | |||
459 | ; align 4 |
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460 | ; proc PIC_disable_irq stdcall, irq_line:dword |
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461 | ; pusha |
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462 | ; mov ebx, [irq_line] |
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463 | ; mov dword[irq_types + ebx * 4], IRQ_TYPE_DISABLE |
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464 | ; mov edx, 0x21 |
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465 | ; cmp ebx, 8 |
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466 | ; jb @F |
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467 | ; mov edx, 0xA1 |
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468 | ; sub ebx,8 |
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469 | ; @@: in al,dx |
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470 | ; bts eax, ebx |
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471 | ; out dx, al |
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472 | ; popa |
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473 | ; ret |
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474 | ; endp |
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475 | |||
476 | ; align 4 |
||
477 | ; proc APIC_enable_irq stdcall, irq_line:dword |
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478 | ; pusha |
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479 | ; mov ebx, [irq_line] |
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480 | ; mov eax, [irq_types + ebx * 4] |
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481 | ; cmp eax, IRQ_TYPE_DISABLE |
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482 | ; je @f |
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483 | ; cmp eax, IRQ_TYPE_APIC |
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484 | ; je @f |
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485 | ; stdcall disable_irq, ebx |
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486 | ; @@: mov dword[irq_types + ebx * 4], IRQ_TYPE_APIC |
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487 | ; shl ebx, 1 |
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488 | ; add ebx, 0x10 |
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489 | ; mov eax, ebx |
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490 | ; call IOAPIC_read |
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491 | ; and eax, 0xfffeffff ; bit 16 |
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492 | ; xchg eax, ebx |
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493 | ; call IOAPIC_write |
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494 | ; popa |
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495 | ; ret |
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496 | ; endp |
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497 | |||
498 | ; align 4 |
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499 | ; proc APIC_disable_irq stdcall, irq_line:dword |
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500 | ; pusha |
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501 | ; mov ebx, [irq_line] |
||
502 | ; mov dword[irq_types + ebx * 4], IRQ_TYPE_DISABLE |
||
503 | ; shl ebx, 1 |
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504 | ; add ebx, 0x10 |
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505 | ; mov eax, ebx |
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506 | ; call IOAPIC_read |
||
507 | ; or eax, 0x10000 |
||
508 | ; xchg eax, ebx |
||
509 | ; call IOAPIC_write |
||
510 | ; popa |
||
511 | ; ret |
||
512 | ; endp><><<> |
||
2049 | serge | 513 |