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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 | |||
8 | |||
9 | iglobal |
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2219 | Serge | 10 | IRQ_COUNT dd 24 |
1638 | serge | 11 | endg |
12 | |||
13 | uglobal |
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2219 | Serge | 14 | irq_mode rd 1 |
2212 | Serge | 15 | IOAPIC_base rd 1 |
16 | LAPIC_BASE rd 1 |
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1638 | serge | 17 | endg |
18 | |||
2217 | Serge | 19 | APIC_ID equ 0x20 |
20 | APIC_TPR equ 0x80 |
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21 | APIC_EOI equ 0xb0 |
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22 | APIC_LDR equ 0xd0 |
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23 | APIC_DFR equ 0xe0 |
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24 | APIC_SVR equ 0xf0 |
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25 | APIC_ISR equ 0x100 |
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26 | APIC_ESR equ 0x280 |
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27 | APIC_ICRL equ 0x300 |
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28 | APIC_ICRH equ 0x310 |
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1638 | serge | 29 | APIC_LVT_LINT0 equ 0x350 |
30 | APIC_LVT_LINT1 equ 0x360 |
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2217 | Serge | 31 | APIC_LVT_err equ 0x370 |
1638 | serge | 32 | |
33 | ; APIC timer |
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34 | APIC_LVT_timer equ 0x320 |
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35 | APIC_timer_div equ 0x3e0 |
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36 | APIC_timer_init equ 0x380 |
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37 | APIC_timer_cur equ 0x390 |
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38 | ; IOAPIC |
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2437 | Serge | 39 | IOAPIC_ID equ 0x0 |
40 | IOAPIC_VER equ 0x1 |
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41 | IOAPIC_ARB equ 0x2 |
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42 | IOAPIC_REDTBL equ 0x10 |
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1638 | serge | 43 | |
2437 | Serge | 44 | IPI_INIT equ (0x6 shl 8) |
45 | IPI_LEVEL_ASSERT equ (0x1 shl 14) |
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46 | SHORTHAND_ALL_EXCL equ (0x3 shl 18) |
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47 | |||
48 | CMD_IPI_INIT equ (IPI_INIT+SHORTHAND_ALL_EXCL) |
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49 | |||
50 | |||
51 | |||
2217 | Serge | 52 | align 4 |
1638 | serge | 53 | APIC_init: |
2437 | Serge | 54 | mov [irq_mode], IRQ_PIC |
2010 | serge | 55 | |
2437 | Serge | 56 | cmp [acpi_ioapic_base], 0 |
57 | jz .no_apic |
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2219 | Serge | 58 | |
2437 | Serge | 59 | cmp [acpi_lapic_base], 0 |
60 | jz .no_apic |
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2219 | Serge | 61 | |
62 | stdcall load_file, dev_data_path |
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2437 | Serge | 63 | test eax, eax |
64 | jz .no_apic |
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2212 | Serge | 65 | |
2437 | Serge | 66 | mov [acpi_dev_data], eax |
67 | mov [acpi_dev_size], ebx |
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2229 | Serge | 68 | |
2437 | Serge | 69 | call IRQ_mask_all |
2010 | serge | 70 | |
2219 | Serge | 71 | ; IOAPIC init |
2217 | Serge | 72 | stdcall map_io_mem, [acpi_ioapic_base], 0x20, PG_SW |
2437 | Serge | 73 | mov [IOAPIC_base], eax |
2010 | serge | 74 | |
2217 | Serge | 75 | mov eax, IOAPIC_VER |
2437 | Serge | 76 | call IOAPIC_read |
77 | shr eax, 16 |
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78 | inc al |
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2217 | Serge | 79 | movzx eax, al |
2437 | Serge | 80 | cmp al, IRQ_RESERVED |
81 | jbe @f |
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2217 | Serge | 82 | |
2437 | Serge | 83 | mov al, IRQ_RESERVED |
2130 | serge | 84 | @@: |
2437 | Serge | 85 | mov [IRQ_COUNT], eax |
1638 | serge | 86 | |
87 | ; Reroute IOAPIC & mask all interrupts |
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2437 | Serge | 88 | xor ecx, ecx |
89 | mov eax, IOAPIC_REDTBL |
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2217 | Serge | 90 | @@: |
2437 | Serge | 91 | mov ebx, eax |
92 | call IOAPIC_read |
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2434 | Serge | 93 | mov ah, 0x09; Delivery Mode: Lowest Priority, Destination Mode: Logical |
2437 | Serge | 94 | mov al, cl |
2434 | Serge | 95 | add al, 0x20; vector |
96 | or eax, 0x10000; Mask Interrupt |
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2437 | Serge | 97 | cmp ecx, 16 |
98 | jb .set |
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2217 | Serge | 99 | |
2434 | Serge | 100 | or eax, 0xa000;<<< level-triggered active-low for IRQ16+ |
1638 | serge | 101 | .set: |
2437 | Serge | 102 | xchg eax, ebx |
103 | call IOAPIC_write |
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104 | inc eax |
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105 | mov ebx, eax |
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106 | call IOAPIC_read |
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2434 | Serge | 107 | or eax, 0xff000000; Destination Field |
2437 | Serge | 108 | xchg eax, ebx |
109 | call IOAPIC_write |
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110 | inc eax |
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111 | inc ecx |
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112 | cmp ecx, [IRQ_COUNT] |
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113 | jb @b |
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1638 | serge | 114 | |
2437 | Serge | 115 | call LAPIC_init |
2010 | serge | 116 | |
2437 | Serge | 117 | mov [irq_mode], IRQ_APIC |
2010 | serge | 118 | |
2437 | Serge | 119 | mov al, 0x70 |
120 | out 0x22, al |
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121 | mov al, 1 |
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122 | out 0x23, al |
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2010 | serge | 123 | |
2437 | Serge | 124 | call pci_irq_fixup |
2217 | Serge | 125 | .no_apic: |
126 | |||
127 | ret |
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2010 | serge | 128 | |
1638 | serge | 129 | ;=========================================================== |
130 | align 4 |
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131 | LAPIC_init: |
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132 | ; Check MSR support |
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133 | ;.... |
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134 | ; Get LAPIC base address |
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2437 | Serge | 135 | ;mov ecx, 0x1b |
136 | ;rdmsr ; it may be replaced to |
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137 | ;and ax, 0xf000 ; mov eax, 0xfee00000 |
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2010 | serge | 138 | |
2437 | Serge | 139 | mov [acpi_lapic_base], 0xfee00000 |
140 | ; xchg bx, bx |
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141 | |||
2217 | Serge | 142 | stdcall map_io_mem, [acpi_lapic_base], 0x1000, PG_SW |
2437 | Serge | 143 | mov [LAPIC_BASE], eax |
144 | mov esi, eax |
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2010 | serge | 145 | |
1638 | serge | 146 | ; Program Destination Format Register for Flat mode. |
2437 | Serge | 147 | mov eax, [esi + APIC_DFR] |
148 | or eax, 0xf0000000 |
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149 | mov [esi + APIC_DFR], eax |
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2010 | serge | 150 | |
1638 | serge | 151 | ; Program Logical Destination Register. |
2437 | Serge | 152 | mov eax, [esi + APIC_LDR] |
2217 | Serge | 153 | ;and eax, 0xff000000 |
2437 | Serge | 154 | and eax, 0x00ffffff |
2434 | Serge | 155 | or eax, 0x01000000;!!!!!!!!!!!! |
2437 | Serge | 156 | mov [esi + APIC_LDR], eax |
2010 | serge | 157 | |
1638 | serge | 158 | ; Task Priority Register initialization. |
2437 | Serge | 159 | mov eax, [esi + APIC_TPR] |
160 | and eax, 0xffffff00 |
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161 | mov [esi + APIC_TPR], eax |
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1638 | serge | 162 | |
163 | ; Flush the queue |
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2437 | Serge | 164 | mov edx, 0 |
2217 | Serge | 165 | .nxt2: |
2437 | Serge | 166 | mov ecx, 32 |
167 | mov eax, [esi + APIC_ISR + edx] |
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2217 | Serge | 168 | .nxt: |
2437 | Serge | 169 | shr eax, 1 |
170 | jnc @f |
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2434 | Serge | 171 | mov dword [esi + APIC_EOI], 0; EOI |
2217 | Serge | 172 | @@: |
2437 | Serge | 173 | loop .nxt |
1638 | serge | 174 | |
2437 | Serge | 175 | add edx, 0x10 |
176 | cmp edx, 0x170 |
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177 | jbe .nxt2 |
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2217 | Serge | 178 | |
1638 | serge | 179 | ; Spurious-Interrupt Vector Register initialization. |
2437 | Serge | 180 | mov eax, [esi + APIC_SVR] |
181 | or eax, 0x1ff |
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182 | and eax, 0xfffffdff |
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183 | mov [esi + APIC_SVR], eax |
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1638 | serge | 184 | |
185 | ; Initialize LVT LINT0 register. (INTR) |
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2437 | Serge | 186 | mov eax, 0x00700 |
2217 | Serge | 187 | ; mov eax, 0x10700 |
2437 | Serge | 188 | mov [esi + APIC_LVT_LINT0], eax |
1638 | serge | 189 | |
190 | ; Initialize LVT LINT1 register. (NMI) |
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2437 | Serge | 191 | mov eax, 0x00400 |
192 | mov [esi + APIC_LVT_LINT1], eax |
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1638 | serge | 193 | |
194 | ; Initialize LVT Error register. |
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2437 | Serge | 195 | mov eax, [esi + APIC_LVT_err] |
2434 | Serge | 196 | or eax, 0x10000; bit 16 |
2437 | Serge | 197 | mov [esi + APIC_LVT_err], eax |
2010 | serge | 198 | |
1638 | serge | 199 | ; LAPIC timer |
200 | ; pre init |
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2437 | Serge | 201 | ; mov dword[esi + APIC_timer_div], 1011b; 1 |
202 | ; mov dword[esi + APIC_timer_init], 0xffffffff; max val |
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203 | ; push esi |
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204 | ; mov esi, 640 ; wait 0.64 sec |
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205 | ; call delay_ms |
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206 | ; pop esi |
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207 | ; mov eax, [esi + APIC_timer_cur]; read current tick couner |
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208 | ; xor eax, 0xffffffff ; eax = 0xffffffff - eax |
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209 | ; shr eax, 6 ; eax /= 64; APIC ticks per 0.01 sec |
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2010 | serge | 210 | |
1638 | serge | 211 | ; Start (every 0.01 sec) |
2437 | Serge | 212 | ; mov dword[esi + APIC_LVT_timer], 0x30020; periodic int 0x20 |
213 | ; mov dword[esi + APIC_timer_init], eax |
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214 | xchg bx, bx |
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215 | |||
216 | ; mov al, 0x0F |
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217 | ; out 0x70, al |
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218 | ; mov al, 0x0A |
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219 | ; out 0x71, al |
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220 | |||
221 | ; mov [OS_BASE+0x469], word (__ap_start_16) shr 4 |
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222 | ; mov [OS_BASE+0x469], word 0 |
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223 | |||
224 | mov [esi+APIC_ICRH], dword 0 |
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225 | mov [esi+APIC_ICRL], dword 0xc4500 |
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226 | |||
227 | mov ecx, 1000 |
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228 | @@: |
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229 | loop @B |
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230 | |||
231 | mov [esi+APIC_ICRH], dword 0 |
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232 | mov [esi+APIC_ICRL], dword 0xC4600+((0x10000+__ap_start_16) shr 12) |
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233 | ; mov [esi+APIC_ICRL], dword 0xC4612 |
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234 | |||
235 | ; mov [esi+APIC_ICRH], dword 0 |
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236 | ; mov [esi+APIC_ICRL], dword CMD_IPI_INIT+IPI_LEVEL_ASSERT+16 |
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237 | |||
238 | |||
239 | |||
2217 | Serge | 240 | ret |
2010 | serge | 241 | |
1638 | serge | 242 | ;=========================================================== |
243 | ; IOAPIC implementation |
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244 | align 4 |
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245 | IOAPIC_read: |
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246 | ; in : EAX - IOAPIC register |
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247 | ; out: EAX - readed value |
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2217 | Serge | 248 | push esi |
249 | mov esi, [IOAPIC_base] |
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250 | mov [esi], eax |
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251 | mov eax, [esi + 0x10] |
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252 | pop esi |
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253 | ret |
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254 | |||
1638 | serge | 255 | align 4 |
256 | IOAPIC_write: |
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257 | ; in : EAX - IOAPIC register |
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258 | ; EBX - value |
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259 | ; out: none |
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2217 | Serge | 260 | push esi |
261 | mov esi, [IOAPIC_base] |
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262 | mov [esi], eax |
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263 | mov [esi + 0x10], ebx |
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264 | pop esi |
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265 | ret |
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1638 | serge | 266 | ;=========================================================== |
267 | ; Remap all IRQ to 0x20+ Vectors |
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268 | ; IRQ0 to vector 0x20, IRQ1 to vector 0x21.... |
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2219 | Serge | 269 | align 4 |
1638 | serge | 270 | PIC_init: |
2217 | Serge | 271 | cli |
2434 | Serge | 272 | mov al, 0x11 ; icw4, edge triggered |
273 | out 0x20, al |
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274 | out 0xA0, al |
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1638 | serge | 275 | |
2434 | Serge | 276 | mov al, 0x20 ; generate 0x20 + |
277 | out 0x21, al |
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278 | mov al, 0x28 ; generate 0x28 + |
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279 | out 0xA1, al |
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1638 | serge | 280 | |
2434 | Serge | 281 | mov al, 0x04 ; slave at irq2 |
282 | out 0x21, al |
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283 | mov al, 0x02 ; at irq9 |
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284 | out 0xA1, al |
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1638 | serge | 285 | |
2434 | Serge | 286 | mov al, 0x01 ; 8086 mode |
287 | out 0x21, al |
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288 | out 0xA1, al |
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1638 | serge | 289 | |
2217 | Serge | 290 | call IRQ_mask_all |
1638 | serge | 291 | ; mov dword[irq_type_to_set], IRQ_TYPE_PIC |
2217 | Serge | 292 | ret |
1638 | serge | 293 | |
294 | ; ----------------------------------------- |
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295 | ; TIMER SET TO 1/100 S |
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2219 | Serge | 296 | align 4 |
1638 | serge | 297 | PIT_init: |
2434 | Serge | 298 | mov al, 0x34 ; set to 100Hz |
299 | out 0x43, al |
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300 | mov al, 0x9b ; lsb 1193180 / 1193 |
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301 | out 0x40, al |
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302 | mov al, 0x2e ; msb |
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303 | out 0x40, al |
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2217 | Serge | 304 | ret |
1638 | serge | 305 | |
306 | ; ----------------------------------------- |
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2219 | Serge | 307 | align 4 |
1638 | serge | 308 | unmask_timer: |
2219 | Serge | 309 | cmp [irq_mode], IRQ_APIC |
310 | je @f |
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311 | |||
2217 | Serge | 312 | stdcall enable_irq, 0 |
313 | ret |
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2049 | serge | 314 | @@: |
1638 | serge | 315 | ; use PIT |
316 | ; in some systems PIT no connected to IOAPIC |
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317 | ; mov eax, 0x14 |
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318 | ; call IOAPIC_read |
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319 | ; mov ah, 0x09 ; Delivery Mode: Lowest Priority, Destination Mode: Logical |
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320 | ; mov al, 0x20 |
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321 | ; or eax, 0x10000 ; Mask Interrupt |
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322 | ; mov ebx, eax |
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323 | ; mov eax, 0x14 |
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324 | ; call IOAPIC_write |
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325 | ; stdcall enable_irq, 2 |
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326 | ; ret |
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2049 | serge | 327 | |
1638 | serge | 328 | ; use LAPIC timer |
2217 | Serge | 329 | mov esi, [LAPIC_BASE] |
330 | mov eax, [esi + APIC_LVT_timer] |
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331 | and eax, 0xfffeffff |
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332 | mov [esi + APIC_LVT_timer], eax |
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333 | ret |
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1638 | serge | 334 | |
335 | ; ----------------------------------------- |
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336 | ; Disable all IRQ |
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2219 | Serge | 337 | align 4 |
1638 | serge | 338 | IRQ_mask_all: |
2219 | Serge | 339 | cmp [irq_mode], IRQ_APIC |
340 | je .APIC |
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341 | |||
2217 | Serge | 342 | mov al, 0xFF |
343 | out 0x21, al |
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344 | out 0xA1, al |
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2434 | Serge | 345 | mov ecx, 0x1000 |
2217 | Serge | 346 | ret |
1638 | serge | 347 | .APIC: |
2217 | Serge | 348 | mov ecx, [IRQ_COUNT] |
349 | mov eax, 0x10 |
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350 | @@: |
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351 | mov ebx, eax |
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352 | call IOAPIC_read |
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2434 | Serge | 353 | or eax, 0x10000; bit 16 |
2217 | Serge | 354 | xchg eax, ebx |
355 | call IOAPIC_write |
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356 | inc eax |
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357 | inc eax |
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358 | loop @b |
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359 | ret |
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360 | |||
1638 | serge | 361 | ; ----------------------------------------- |
362 | ; End Of Interrupt |
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2166 | serge | 363 | ; cl - IRQ number |
2219 | Serge | 364 | align 4 |
2166 | serge | 365 | irq_eoi: ; __fastcall |
2219 | Serge | 366 | cmp [irq_mode], IRQ_APIC |
367 | je .APIC |
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2217 | Serge | 368 | |
369 | cmp cl, 8 |
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370 | mov al, 0x20 |
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371 | jb @f |
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372 | out 0xa0, al |
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2166 | serge | 373 | @@: |
2217 | Serge | 374 | out 0x20, al |
375 | ret |
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2166 | serge | 376 | |
2049 | serge | 377 | .APIC: |
2217 | Serge | 378 | mov eax, [LAPIC_BASE] |
2434 | Serge | 379 | mov dword [eax + APIC_EOI], 0; EOI |
2217 | Serge | 380 | ret |
2049 | serge | 381 | |
1638 | serge | 382 | ; ----------------------------------------- |
383 | ; from dll.inc |
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384 | align 4 |
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385 | proc enable_irq stdcall, irq_line:dword |
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2217 | Serge | 386 | mov ebx, [irq_line] |
2219 | Serge | 387 | cmp [irq_mode], IRQ_APIC |
388 | je .APIC |
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2217 | Serge | 389 | |
390 | mov edx, 0x21 |
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391 | cmp ebx, 8 |
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392 | jb @F |
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393 | |||
394 | mov edx, 0xA1 |
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2434 | Serge | 395 | sub ebx, 8 |
1638 | serge | 396 | @@: |
2434 | Serge | 397 | in al, dx |
2217 | Serge | 398 | btr eax, ebx |
399 | out dx, al |
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400 | ret |
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1638 | serge | 401 | .APIC: |
2217 | Serge | 402 | shl ebx, 1 |
403 | add ebx, 0x10 |
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404 | mov eax, ebx |
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405 | call IOAPIC_read |
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2434 | Serge | 406 | and eax, 0xfffeffff; bit 16 |
2217 | Serge | 407 | xchg eax, ebx |
408 | call IOAPIC_write |
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409 | ret |
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1638 | serge | 410 | endp |
411 | |||
2219 | Serge | 412 | align 4 |
413 | pci_irq_fixup: |
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1638 | serge | 414 | |
2219 | Serge | 415 | push ebp |
1638 | serge | 416 | |
2219 | Serge | 417 | mov esi, [acpi_dev_data] |
418 | mov ebx, [acpi_dev_size] |
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419 | |||
420 | lea edi, [esi+ebx] |
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421 | |||
422 | .iterate: |
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423 | |||
424 | cmp esi, edi |
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425 | jae .done |
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426 | |||
427 | mov eax, [esi] |
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428 | |||
429 | cmp eax, -1 |
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430 | je .done |
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431 | |||
432 | movzx ebx, al |
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433 | movzx ebp, ah |
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434 | |||
435 | stdcall pci_read32, ebp, ebx, 0 |
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436 | |||
437 | cmp eax, [esi+4] |
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438 | jne .skip |
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439 | |||
440 | mov eax, [esi+8] |
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441 | stdcall pci_write8, ebp, ebx, 0x3C, eax |
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442 | .skip: |
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443 | add esi, 16 |
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444 | jmp .iterate |
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445 | |||
446 | .done: |
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447 | .fail: |
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448 | pop ebp |
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449 | ret><><<> |
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450 |