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Rev | Author | Line No. | Line |
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1638 | serge | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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2465 | Serge | 3 | ;; Copyright (C) KolibriOS team 2004-2012. 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 | |
2439 | Serge | 44 | IPI_INIT equ (0x5 shl 8) |
45 | IPI_START equ (0x6 shl 8) |
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2437 | Serge | 46 | IPI_LEVEL_ASSERT equ (0x1 shl 14) |
47 | SHORTHAND_ALL_EXCL equ (0x3 shl 18) |
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48 | |||
49 | CMD_IPI_INIT equ (IPI_INIT+SHORTHAND_ALL_EXCL) |
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50 | |||
51 | |||
52 | |||
2217 | Serge | 53 | align 4 |
1638 | serge | 54 | APIC_init: |
2437 | Serge | 55 | mov [irq_mode], IRQ_PIC |
2010 | serge | 56 | |
2437 | Serge | 57 | cmp [acpi_ioapic_base], 0 |
58 | jz .no_apic |
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2219 | Serge | 59 | |
2437 | Serge | 60 | cmp [acpi_lapic_base], 0 |
61 | jz .no_apic |
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2219 | Serge | 62 | |
63 | stdcall load_file, dev_data_path |
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2437 | Serge | 64 | test eax, eax |
65 | jz .no_apic |
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2212 | Serge | 66 | |
2437 | Serge | 67 | mov [acpi_dev_data], eax |
68 | mov [acpi_dev_size], ebx |
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2229 | Serge | 69 | |
2437 | Serge | 70 | call IRQ_mask_all |
2010 | serge | 71 | |
2219 | Serge | 72 | ; IOAPIC init |
2441 | Serge | 73 | stdcall map_io_mem, [acpi_ioapic_base], 0x20, PG_SW+PG_NOCACHE |
2437 | Serge | 74 | mov [IOAPIC_base], eax |
2010 | serge | 75 | |
2439 | Serge | 76 | mov eax, IOAPIC_VER |
2437 | Serge | 77 | call IOAPIC_read |
78 | shr eax, 16 |
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79 | inc al |
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2439 | Serge | 80 | movzx eax, al |
2437 | Serge | 81 | cmp al, IRQ_RESERVED |
82 | jbe @f |
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2217 | Serge | 83 | |
2437 | Serge | 84 | mov al, IRQ_RESERVED |
2130 | serge | 85 | @@: |
2437 | Serge | 86 | mov [IRQ_COUNT], eax |
1638 | serge | 87 | |
88 | ; Reroute IOAPIC & mask all interrupts |
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2437 | Serge | 89 | xor ecx, ecx |
90 | mov eax, IOAPIC_REDTBL |
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2217 | Serge | 91 | @@: |
2437 | Serge | 92 | mov ebx, eax |
93 | call IOAPIC_read |
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2434 | Serge | 94 | mov ah, 0x09; Delivery Mode: Lowest Priority, Destination Mode: Logical |
2437 | Serge | 95 | mov al, cl |
2434 | Serge | 96 | add al, 0x20; vector |
97 | or eax, 0x10000; Mask Interrupt |
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2437 | Serge | 98 | cmp ecx, 16 |
99 | jb .set |
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2217 | Serge | 100 | |
2434 | Serge | 101 | or eax, 0xa000;<<< level-triggered active-low for IRQ16+ |
1638 | serge | 102 | .set: |
2437 | Serge | 103 | xchg eax, ebx |
104 | call IOAPIC_write |
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105 | inc eax |
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106 | mov ebx, eax |
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107 | call IOAPIC_read |
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2434 | Serge | 108 | or eax, 0xff000000; Destination Field |
2437 | Serge | 109 | xchg eax, ebx |
110 | call IOAPIC_write |
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111 | inc eax |
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112 | inc ecx |
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113 | cmp ecx, [IRQ_COUNT] |
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114 | jb @b |
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1638 | serge | 115 | |
2437 | Serge | 116 | call LAPIC_init |
2010 | serge | 117 | |
2437 | Serge | 118 | mov [irq_mode], IRQ_APIC |
2010 | serge | 119 | |
2437 | Serge | 120 | mov al, 0x70 |
121 | out 0x22, al |
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122 | mov al, 1 |
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123 | out 0x23, al |
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2010 | serge | 124 | |
2437 | Serge | 125 | call pci_irq_fixup |
2217 | Serge | 126 | .no_apic: |
127 | |||
128 | ret |
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2010 | serge | 129 | |
1638 | serge | 130 | ;=========================================================== |
131 | align 4 |
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132 | LAPIC_init: |
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2010 | serge | 133 | |
2439 | Serge | 134 | cmp [LAPIC_BASE], 0 |
135 | jne .done |
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2437 | Serge | 136 | |
2441 | Serge | 137 | stdcall map_io_mem, [acpi_lapic_base], 0x1000, PG_SW+PG_NOCACHE |
2437 | Serge | 138 | mov [LAPIC_BASE], eax |
139 | mov esi, eax |
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2010 | serge | 140 | |
1638 | serge | 141 | ; Program Destination Format Register for Flat mode. |
2437 | Serge | 142 | mov eax, [esi + APIC_DFR] |
143 | or eax, 0xf0000000 |
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144 | mov [esi + APIC_DFR], eax |
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2010 | serge | 145 | |
1638 | serge | 146 | ; Program Logical Destination Register. |
2437 | Serge | 147 | mov eax, [esi + APIC_LDR] |
2217 | Serge | 148 | ;and eax, 0xff000000 |
2437 | Serge | 149 | and eax, 0x00ffffff |
2434 | Serge | 150 | or eax, 0x01000000;!!!!!!!!!!!! |
2437 | Serge | 151 | mov [esi + APIC_LDR], eax |
2010 | serge | 152 | |
1638 | serge | 153 | ; Task Priority Register initialization. |
2437 | Serge | 154 | mov eax, [esi + APIC_TPR] |
155 | and eax, 0xffffff00 |
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156 | mov [esi + APIC_TPR], eax |
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1638 | serge | 157 | |
158 | ; Flush the queue |
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2437 | Serge | 159 | mov edx, 0 |
2217 | Serge | 160 | .nxt2: |
2437 | Serge | 161 | mov ecx, 32 |
162 | mov eax, [esi + APIC_ISR + edx] |
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2217 | Serge | 163 | .nxt: |
2437 | Serge | 164 | shr eax, 1 |
165 | jnc @f |
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2434 | Serge | 166 | mov dword [esi + APIC_EOI], 0; EOI |
2217 | Serge | 167 | @@: |
2437 | Serge | 168 | loop .nxt |
1638 | serge | 169 | |
2437 | Serge | 170 | add edx, 0x10 |
171 | cmp edx, 0x170 |
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172 | jbe .nxt2 |
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2217 | Serge | 173 | |
1638 | serge | 174 | ; Spurious-Interrupt Vector Register initialization. |
2437 | Serge | 175 | mov eax, [esi + APIC_SVR] |
176 | or eax, 0x1ff |
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177 | and eax, 0xfffffdff |
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178 | mov [esi + APIC_SVR], eax |
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1638 | serge | 179 | |
180 | ; Initialize LVT LINT0 register. (INTR) |
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2437 | Serge | 181 | mov eax, 0x00700 |
2217 | Serge | 182 | ; mov eax, 0x10700 |
2437 | Serge | 183 | mov [esi + APIC_LVT_LINT0], eax |
1638 | serge | 184 | |
185 | ; Initialize LVT LINT1 register. (NMI) |
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2437 | Serge | 186 | mov eax, 0x00400 |
187 | mov [esi + APIC_LVT_LINT1], eax |
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1638 | serge | 188 | |
189 | ; Initialize LVT Error register. |
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2437 | Serge | 190 | mov eax, [esi + APIC_LVT_err] |
2434 | Serge | 191 | or eax, 0x10000; bit 16 |
2437 | Serge | 192 | mov [esi + APIC_LVT_err], eax |
2010 | serge | 193 | |
1638 | serge | 194 | ; LAPIC timer |
195 | ; pre init |
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2437 | Serge | 196 | ; mov dword[esi + APIC_timer_div], 1011b; 1 |
197 | ; mov dword[esi + APIC_timer_init], 0xffffffff; max val |
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198 | ; push esi |
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199 | ; mov esi, 640 ; wait 0.64 sec |
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200 | ; call delay_ms |
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201 | ; pop esi |
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202 | ; mov eax, [esi + APIC_timer_cur]; read current tick couner |
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203 | ; xor eax, 0xffffffff ; eax = 0xffffffff - eax |
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204 | ; shr eax, 6 ; eax /= 64; APIC ticks per 0.01 sec |
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2010 | serge | 205 | |
1638 | serge | 206 | ; Start (every 0.01 sec) |
2437 | Serge | 207 | ; mov dword[esi + APIC_LVT_timer], 0x30020; periodic int 0x20 |
208 | ; mov dword[esi + APIC_timer_init], eax |
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209 | |||
2439 | Serge | 210 | .done: |
2217 | Serge | 211 | ret |
2010 | serge | 212 | |
1638 | serge | 213 | ;=========================================================== |
214 | ; IOAPIC implementation |
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215 | align 4 |
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216 | IOAPIC_read: |
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217 | ; in : EAX - IOAPIC register |
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218 | ; out: EAX - readed value |
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2439 | Serge | 219 | push esi |
220 | mov esi, [IOAPIC_base] |
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221 | mov [esi], eax |
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222 | mov eax, [esi + 0x10] |
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223 | pop esi |
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2217 | Serge | 224 | ret |
225 | |||
1638 | serge | 226 | align 4 |
227 | IOAPIC_write: |
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228 | ; in : EAX - IOAPIC register |
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229 | ; EBX - value |
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230 | ; out: none |
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2439 | Serge | 231 | push esi |
232 | mov esi, [IOAPIC_base] |
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233 | mov [esi], eax |
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234 | mov [esi + 0x10], ebx |
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235 | pop esi |
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2217 | Serge | 236 | ret |
1638 | serge | 237 | ;=========================================================== |
238 | ; Remap all IRQ to 0x20+ Vectors |
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239 | ; IRQ0 to vector 0x20, IRQ1 to vector 0x21.... |
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2219 | Serge | 240 | align 4 |
1638 | serge | 241 | PIC_init: |
2217 | Serge | 242 | cli |
2434 | Serge | 243 | mov al, 0x11 ; icw4, edge triggered |
244 | out 0x20, al |
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245 | out 0xA0, al |
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1638 | serge | 246 | |
2434 | Serge | 247 | mov al, 0x20 ; generate 0x20 + |
248 | out 0x21, al |
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249 | mov al, 0x28 ; generate 0x28 + |
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250 | out 0xA1, al |
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1638 | serge | 251 | |
2434 | Serge | 252 | mov al, 0x04 ; slave at irq2 |
253 | out 0x21, al |
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254 | mov al, 0x02 ; at irq9 |
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255 | out 0xA1, al |
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1638 | serge | 256 | |
2434 | Serge | 257 | mov al, 0x01 ; 8086 mode |
258 | out 0x21, al |
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259 | out 0xA1, al |
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1638 | serge | 260 | |
2439 | Serge | 261 | call IRQ_mask_all |
1638 | serge | 262 | ; mov dword[irq_type_to_set], IRQ_TYPE_PIC |
2217 | Serge | 263 | ret |
1638 | serge | 264 | |
265 | ; ----------------------------------------- |
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266 | ; TIMER SET TO 1/100 S |
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2219 | Serge | 267 | align 4 |
1638 | serge | 268 | PIT_init: |
2434 | Serge | 269 | mov al, 0x34 ; set to 100Hz |
270 | out 0x43, al |
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271 | mov al, 0x9b ; lsb 1193180 / 1193 |
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272 | out 0x40, al |
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273 | mov al, 0x2e ; msb |
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274 | out 0x40, al |
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2217 | Serge | 275 | ret |
1638 | serge | 276 | |
277 | ; ----------------------------------------- |
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2219 | Serge | 278 | align 4 |
1638 | serge | 279 | unmask_timer: |
2439 | Serge | 280 | cmp [irq_mode], IRQ_APIC |
281 | je @f |
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2219 | Serge | 282 | |
2217 | Serge | 283 | stdcall enable_irq, 0 |
284 | ret |
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2049 | serge | 285 | @@: |
1638 | serge | 286 | ; use PIT |
287 | ; in some systems PIT no connected to IOAPIC |
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288 | ; mov eax, 0x14 |
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289 | ; call IOAPIC_read |
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290 | ; mov ah, 0x09 ; Delivery Mode: Lowest Priority, Destination Mode: Logical |
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291 | ; mov al, 0x20 |
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292 | ; or eax, 0x10000 ; Mask Interrupt |
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293 | ; mov ebx, eax |
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294 | ; mov eax, 0x14 |
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295 | ; call IOAPIC_write |
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296 | ; stdcall enable_irq, 2 |
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297 | ; ret |
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2049 | serge | 298 | |
1638 | serge | 299 | ; use LAPIC timer |
2439 | Serge | 300 | mov esi, [LAPIC_BASE] |
301 | mov eax, [esi + APIC_LVT_timer] |
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302 | and eax, 0xfffeffff |
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303 | mov [esi + APIC_LVT_timer], eax |
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2217 | Serge | 304 | ret |
1638 | serge | 305 | |
306 | ; ----------------------------------------- |
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307 | ; Disable all IRQ |
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2219 | Serge | 308 | align 4 |
1638 | serge | 309 | IRQ_mask_all: |
2439 | Serge | 310 | cmp [irq_mode], IRQ_APIC |
311 | je .APIC |
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2219 | Serge | 312 | |
2439 | Serge | 313 | mov al, 0xFF |
314 | out 0x21, al |
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315 | out 0xA1, al |
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2434 | Serge | 316 | mov ecx, 0x1000 |
2217 | Serge | 317 | ret |
1638 | serge | 318 | .APIC: |
2439 | Serge | 319 | mov ecx, [IRQ_COUNT] |
320 | mov eax, 0x10 |
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2217 | Serge | 321 | @@: |
2439 | Serge | 322 | mov ebx, eax |
323 | call IOAPIC_read |
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2434 | Serge | 324 | or eax, 0x10000; bit 16 |
2439 | Serge | 325 | xchg eax, ebx |
326 | call IOAPIC_write |
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327 | inc eax |
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328 | inc eax |
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329 | loop @b |
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2217 | Serge | 330 | ret |
331 | |||
1638 | serge | 332 | ; ----------------------------------------- |
333 | ; End Of Interrupt |
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2166 | serge | 334 | ; cl - IRQ number |
2219 | Serge | 335 | align 4 |
2166 | serge | 336 | irq_eoi: ; __fastcall |
2439 | Serge | 337 | cmp [irq_mode], IRQ_APIC |
338 | je .APIC |
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2217 | Serge | 339 | |
2439 | Serge | 340 | cmp cl, 8 |
341 | mov al, 0x20 |
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342 | jb @f |
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343 | out 0xa0, al |
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2166 | serge | 344 | @@: |
2439 | Serge | 345 | out 0x20, al |
2217 | Serge | 346 | ret |
2166 | serge | 347 | |
2049 | serge | 348 | .APIC: |
2439 | Serge | 349 | mov eax, [LAPIC_BASE] |
2434 | Serge | 350 | mov dword [eax + APIC_EOI], 0; EOI |
2217 | Serge | 351 | ret |
2049 | serge | 352 | |
1638 | serge | 353 | ; ----------------------------------------- |
354 | ; from dll.inc |
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355 | align 4 |
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356 | proc enable_irq stdcall, irq_line:dword |
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2439 | Serge | 357 | mov ebx, [irq_line] |
358 | cmp [irq_mode], IRQ_APIC |
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359 | je .APIC |
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2217 | Serge | 360 | |
2439 | Serge | 361 | mov edx, 0x21 |
362 | cmp ebx, 8 |
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363 | jb @F |
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2217 | Serge | 364 | |
2439 | Serge | 365 | mov edx, 0xA1 |
2434 | Serge | 366 | sub ebx, 8 |
1638 | serge | 367 | @@: |
2434 | Serge | 368 | in al, dx |
2439 | Serge | 369 | btr eax, ebx |
370 | out dx, al |
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2217 | Serge | 371 | ret |
1638 | serge | 372 | .APIC: |
2439 | Serge | 373 | shl ebx, 1 |
374 | add ebx, 0x10 |
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375 | mov eax, ebx |
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376 | call IOAPIC_read |
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2434 | Serge | 377 | and eax, 0xfffeffff; bit 16 |
2439 | Serge | 378 | xchg eax, ebx |
379 | call IOAPIC_write |
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2217 | Serge | 380 | ret |
1638 | serge | 381 | endp |
382 | |||
2219 | Serge | 383 | align 4 |
384 | pci_irq_fixup: |
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1638 | serge | 385 | |
2439 | Serge | 386 | push ebp |
1638 | serge | 387 | |
2439 | Serge | 388 | mov esi, [acpi_dev_data] |
389 | mov ebx, [acpi_dev_size] |
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2219 | Serge | 390 | |
2439 | Serge | 391 | lea edi, [esi+ebx] |
2219 | Serge | 392 | |
393 | .iterate: |
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394 | |||
2439 | Serge | 395 | cmp esi, edi |
396 | jae .done |
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2219 | Serge | 397 | |
2439 | Serge | 398 | mov eax, [esi] |
2219 | Serge | 399 | |
2439 | Serge | 400 | cmp eax, -1 |
401 | je .done |
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2219 | Serge | 402 | |
2439 | Serge | 403 | movzx ebx, al |
404 | movzx ebp, ah |
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2219 | Serge | 405 | |
406 | stdcall pci_read32, ebp, ebx, 0 |
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407 | |||
2439 | Serge | 408 | cmp eax, [esi+4] |
409 | jne .skip |
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2219 | Serge | 410 | |
2439 | Serge | 411 | mov eax, [esi+8] |
2219 | Serge | 412 | stdcall pci_write8, ebp, ebx, 0x3C, eax |
413 | .skip: |
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2439 | Serge | 414 | add esi, 16 |
415 | jmp .iterate |
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2219 | Serge | 416 | |
417 | .done: |
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418 | .fail: |
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419 | pop ebp |
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420 | ret |
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421 | |||
2439 | Serge | 422 | align 4 |
423 | start_ap: |
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424 | ;eax= cpu id |
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2219 | Serge | 425 | |
2439 | Serge | 426 | ; xchg bx, bx |
1638 | serge | 427 | |
2439 | Serge | 428 | test eax, eax ;do not start self |
429 | jz .exit |
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1638 | serge | 430 | |
2439 | Serge | 431 | cmp eax, [cpu_count] |
2442 | Serge | 432 | jae .exit |
1638 | serge | 433 | |
2439 | Serge | 434 | mov eax, [smpt+eax*4] |
435 | shl eax, 24 |
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436 | |||
437 | mov [esi+APIC_ICRH], eax |
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438 | mov [esi+APIC_ICRL], dword (IPI_INIT+IPI_LEVEL_ASSERT) |
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439 | |||
440 | mov ecx, 10000 |
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441 | @@: |
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442 | loop @B |
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443 | |||
444 | CMD_IPI_START equ (IPI_START+IPI_LEVEL_ASSERT)+((0x10000+__ap_start_16) shr 12) |
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445 | |||
446 | mov [esi+APIC_ICRH], eax |
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447 | mov [esi+APIC_ICRL], dword CMD_IPI_START |
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448 | .exit: |
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449 | ret><><<> |
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450 |