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Rev | Author | Line No. | Line |
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2288 | clevermous | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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5363 | yogev_ezra | 3 | ;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;; |
2288 | clevermous | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
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6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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7 | |||
4850 | mario79 | 8 | $Revision: 6590 $ |
2288 | clevermous | 9 | |
4850 | mario79 | 10 | |
2288 | clevermous | 11 | iglobal |
12 | IRQ_COUNT dd 24 |
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13 | endg |
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14 | |||
15 | uglobal |
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16 | irq_mode rd 1 |
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17 | IOAPIC_base rd 1 |
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18 | LAPIC_BASE rd 1 |
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19 | endg |
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20 | |||
21 | APIC_ID equ 0x20 |
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22 | APIC_TPR equ 0x80 |
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23 | APIC_EOI equ 0xb0 |
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24 | APIC_LDR equ 0xd0 |
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25 | APIC_DFR equ 0xe0 |
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26 | APIC_SVR equ 0xf0 |
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27 | APIC_ISR equ 0x100 |
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28 | APIC_ESR equ 0x280 |
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29 | APIC_ICRL equ 0x300 |
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30 | APIC_ICRH equ 0x310 |
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5787 | serge | 31 | APIC_LVT_LINT0 equ 0x350 |
32 | APIC_LVT_LINT1 equ 0x360 |
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2288 | clevermous | 33 | APIC_LVT_err equ 0x370 |
34 | |||
35 | ; APIC timer |
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5787 | serge | 36 | APIC_LVT_timer equ 0x320 |
37 | APIC_timer_div equ 0x3e0 |
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38 | APIC_timer_init equ 0x380 |
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39 | APIC_timer_cur equ 0x390 |
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2288 | clevermous | 40 | ; IOAPIC |
41 | IOAPIC_ID equ 0x0 |
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42 | IOAPIC_VER equ 0x1 |
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43 | IOAPIC_ARB equ 0x2 |
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44 | IOAPIC_REDTBL equ 0x10 |
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45 | |||
46 | align 4 |
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47 | APIC_init: |
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48 | mov [irq_mode], IRQ_PIC |
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49 | |||
50 | cmp [acpi_ioapic_base], 0 |
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51 | jz .no_apic |
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52 | |||
53 | cmp [acpi_lapic_base], 0 |
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54 | jz .no_apic |
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55 | |||
56 | stdcall load_file, dev_data_path |
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57 | test eax, eax |
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58 | jz .no_apic |
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59 | |||
60 | mov [acpi_dev_data], eax |
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61 | mov [acpi_dev_size], ebx |
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62 | |||
63 | call IRQ_mask_all |
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64 | |||
65 | ; IOAPIC init |
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5359 | serge | 66 | stdcall map_io_mem, [acpi_ioapic_base], 0x20, PG_GLOBAL+PG_NOCACHE+PG_SWR |
2288 | clevermous | 67 | mov [IOAPIC_base], eax |
68 | |||
69 | mov eax, IOAPIC_VER |
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70 | call IOAPIC_read |
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71 | shr eax, 16 |
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72 | inc al |
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73 | movzx eax, al |
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74 | cmp al, IRQ_RESERVED |
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75 | jbe @f |
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76 | |||
77 | mov al, IRQ_RESERVED |
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78 | @@: |
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79 | mov [IRQ_COUNT], eax |
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80 | |||
81 | ; Reroute IOAPIC & mask all interrupts |
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82 | xor ecx, ecx |
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83 | mov eax, IOAPIC_REDTBL |
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84 | @@: |
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85 | mov ebx, eax |
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86 | call IOAPIC_read |
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3751 | Serge | 87 | mov ah, 0x08; Delivery Mode: Fixed, Destination Mode: Logical |
2288 | clevermous | 88 | mov al, cl |
89 | add al, 0x20; vector |
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90 | or eax, 0x10000; Mask Interrupt |
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91 | cmp ecx, 16 |
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92 | jb .set |
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93 | |||
94 | or eax, 0xa000;<<< level-triggered active-low for IRQ16+ |
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95 | .set: |
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96 | xchg eax, ebx |
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97 | call IOAPIC_write |
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98 | inc eax |
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99 | mov ebx, eax |
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100 | call IOAPIC_read |
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101 | or eax, 0xff000000; Destination Field |
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102 | xchg eax, ebx |
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103 | call IOAPIC_write |
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104 | inc eax |
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105 | inc ecx |
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106 | cmp ecx, [IRQ_COUNT] |
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107 | jb @b |
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108 | |||
109 | call LAPIC_init |
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110 | |||
111 | mov [irq_mode], IRQ_APIC |
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112 | |||
113 | mov al, 0x70 |
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114 | out 0x22, al |
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115 | mov al, 1 |
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116 | out 0x23, al |
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117 | |||
118 | call pci_irq_fixup |
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119 | .no_apic: |
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120 | |||
121 | ret |
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122 | |||
123 | ;=========================================================== |
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124 | align 4 |
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125 | LAPIC_init: |
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126 | |||
2443 | Serge | 127 | cmp [LAPIC_BASE], 0 |
128 | jne .done |
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129 | |||
5359 | serge | 130 | stdcall map_io_mem, [acpi_lapic_base], 0x1000, PG_GLOBAL+PG_NOCACHE+PG_SWR |
2288 | clevermous | 131 | mov [LAPIC_BASE], eax |
132 | mov esi, eax |
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133 | |||
134 | ; Program Destination Format Register for Flat mode. |
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135 | mov eax, [esi + APIC_DFR] |
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136 | or eax, 0xf0000000 |
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137 | mov [esi + APIC_DFR], eax |
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138 | |||
139 | ; Program Logical Destination Register. |
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140 | mov eax, [esi + APIC_LDR] |
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141 | ;and eax, 0xff000000 |
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142 | and eax, 0x00ffffff |
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143 | or eax, 0x01000000;!!!!!!!!!!!! |
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144 | mov [esi + APIC_LDR], eax |
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145 | |||
146 | ; Task Priority Register initialization. |
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147 | mov eax, [esi + APIC_TPR] |
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148 | and eax, 0xffffff00 |
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149 | mov [esi + APIC_TPR], eax |
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150 | |||
151 | ; Flush the queue |
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152 | mov edx, 0 |
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153 | .nxt2: |
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154 | mov ecx, 32 |
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155 | mov eax, [esi + APIC_ISR + edx] |
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156 | .nxt: |
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157 | shr eax, 1 |
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158 | jnc @f |
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159 | mov dword [esi + APIC_EOI], 0; EOI |
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160 | @@: |
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161 | loop .nxt |
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162 | |||
163 | add edx, 0x10 |
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164 | cmp edx, 0x170 |
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165 | jbe .nxt2 |
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166 | |||
167 | ; Spurious-Interrupt Vector Register initialization. |
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168 | mov eax, [esi + APIC_SVR] |
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169 | or eax, 0x1ff |
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170 | and eax, 0xfffffdff |
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171 | mov [esi + APIC_SVR], eax |
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172 | |||
173 | ; Initialize LVT LINT0 register. (INTR) |
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174 | mov eax, 0x00700 |
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175 | ; mov eax, 0x10700 |
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176 | mov [esi + APIC_LVT_LINT0], eax |
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177 | |||
178 | ; Initialize LVT LINT1 register. (NMI) |
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179 | mov eax, 0x00400 |
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180 | mov [esi + APIC_LVT_LINT1], eax |
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181 | |||
182 | ; Initialize LVT Error register. |
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183 | mov eax, [esi + APIC_LVT_err] |
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184 | or eax, 0x10000; bit 16 |
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185 | mov [esi + APIC_LVT_err], eax |
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186 | |||
187 | ; LAPIC timer |
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188 | ; pre init |
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189 | mov dword[esi + APIC_timer_div], 1011b; 1 |
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190 | mov dword[esi + APIC_timer_init], 0xffffffff; max val |
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191 | push esi |
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192 | mov esi, 640 ; wait 0.64 sec |
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193 | call delay_ms |
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194 | pop esi |
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195 | mov eax, [esi + APIC_timer_cur]; read current tick couner |
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196 | xor eax, 0xffffffff ; eax = 0xffffffff - eax |
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197 | shr eax, 6 ; eax /= 64; APIC ticks per 0.01 sec |
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198 | |||
199 | ; Start (every 0.01 sec) |
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200 | mov dword[esi + APIC_LVT_timer], 0x30020; periodic int 0x20 |
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201 | mov dword[esi + APIC_timer_init], eax |
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2443 | Serge | 202 | |
203 | .done: |
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2288 | clevermous | 204 | ret |
205 | |||
206 | ;=========================================================== |
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207 | ; IOAPIC implementation |
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208 | align 4 |
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209 | IOAPIC_read: |
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210 | ; in : EAX - IOAPIC register |
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211 | ; out: EAX - readed value |
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212 | push esi |
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213 | mov esi, [IOAPIC_base] |
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214 | mov [esi], eax |
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215 | mov eax, [esi + 0x10] |
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216 | pop esi |
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217 | ret |
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218 | |||
219 | align 4 |
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220 | IOAPIC_write: |
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221 | ; in : EAX - IOAPIC register |
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222 | ; EBX - value |
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223 | ; out: none |
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224 | push esi |
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225 | mov esi, [IOAPIC_base] |
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226 | mov [esi], eax |
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227 | mov [esi + 0x10], ebx |
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228 | pop esi |
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229 | ret |
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230 | ;=========================================================== |
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231 | ; Remap all IRQ to 0x20+ Vectors |
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232 | ; IRQ0 to vector 0x20, IRQ1 to vector 0x21.... |
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233 | align 4 |
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234 | PIC_init: |
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235 | cli |
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236 | mov al, 0x11 ; icw4, edge triggered |
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237 | out 0x20, al |
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238 | out 0xA0, al |
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239 | |||
240 | mov al, 0x20 ; generate 0x20 + |
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241 | out 0x21, al |
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242 | mov al, 0x28 ; generate 0x28 + |
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243 | out 0xA1, al |
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244 | |||
245 | mov al, 0x04 ; slave at irq2 |
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246 | out 0x21, al |
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247 | mov al, 0x02 ; at irq9 |
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248 | out 0xA1, al |
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249 | |||
250 | mov al, 0x01 ; 8086 mode |
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251 | out 0x21, al |
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252 | out 0xA1, al |
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253 | |||
254 | call IRQ_mask_all |
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255 | ; mov dword[irq_type_to_set], IRQ_TYPE_PIC |
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256 | ret |
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257 | |||
258 | ; ----------------------------------------- |
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259 | ; TIMER SET TO 1/100 S |
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260 | align 4 |
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261 | PIT_init: |
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262 | mov al, 0x34 ; set to 100Hz |
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263 | out 0x43, al |
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264 | mov al, 0x9b ; lsb 1193180 / 1193 |
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265 | out 0x40, al |
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266 | mov al, 0x2e ; msb |
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267 | out 0x40, al |
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268 | ret |
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269 | |||
270 | ; ----------------------------------------- |
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271 | align 4 |
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272 | unmask_timer: |
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273 | cmp [irq_mode], IRQ_APIC |
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274 | je @f |
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275 | |||
276 | stdcall enable_irq, 0 |
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277 | ret |
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278 | @@: |
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279 | ; use PIT |
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280 | ; in some systems PIT no connected to IOAPIC |
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281 | ; mov eax, 0x14 |
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282 | ; call IOAPIC_read |
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283 | ; mov ah, 0x09 ; Delivery Mode: Lowest Priority, Destination Mode: Logical |
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284 | ; mov al, 0x20 |
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285 | ; or eax, 0x10000 ; Mask Interrupt |
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286 | ; mov ebx, eax |
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287 | ; mov eax, 0x14 |
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288 | ; call IOAPIC_write |
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289 | ; stdcall enable_irq, 2 |
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290 | ; ret |
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291 | |||
292 | ; use LAPIC timer |
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293 | mov esi, [LAPIC_BASE] |
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294 | mov eax, [esi + APIC_LVT_timer] |
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295 | and eax, 0xfffeffff |
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296 | mov [esi + APIC_LVT_timer], eax |
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297 | ret |
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298 | |||
299 | ; ----------------------------------------- |
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300 | ; Disable all IRQ |
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301 | align 4 |
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302 | IRQ_mask_all: |
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303 | cmp [irq_mode], IRQ_APIC |
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304 | je .APIC |
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305 | |||
306 | mov al, 0xFF |
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307 | out 0x21, al |
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308 | out 0xA1, al |
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309 | mov ecx, 0x1000 |
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310 | ret |
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311 | .APIC: |
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312 | mov ecx, [IRQ_COUNT] |
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313 | mov eax, 0x10 |
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314 | @@: |
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315 | mov ebx, eax |
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316 | call IOAPIC_read |
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317 | or eax, 0x10000; bit 16 |
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318 | xchg eax, ebx |
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319 | call IOAPIC_write |
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320 | inc eax |
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321 | inc eax |
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322 | loop @b |
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323 | ret |
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324 | |||
325 | ; ----------------------------------------- |
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326 | ; End Of Interrupt |
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327 | ; cl - IRQ number |
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328 | align 4 |
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329 | irq_eoi: ; __fastcall |
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330 | cmp [irq_mode], IRQ_APIC |
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331 | je .APIC |
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332 | |||
333 | cmp cl, 8 |
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334 | mov al, 0x20 |
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335 | jb @f |
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336 | out 0xa0, al |
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337 | @@: |
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338 | out 0x20, al |
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339 | ret |
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340 | |||
341 | .APIC: |
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342 | mov eax, [LAPIC_BASE] |
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343 | mov dword [eax + APIC_EOI], 0; EOI |
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344 | ret |
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345 | |||
346 | ; ----------------------------------------- |
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347 | ; from dll.inc |
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348 | align 4 |
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349 | proc enable_irq stdcall, irq_line:dword |
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350 | mov ebx, [irq_line] |
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351 | cmp [irq_mode], IRQ_APIC |
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352 | je .APIC |
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353 | |||
354 | mov edx, 0x21 |
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355 | cmp ebx, 8 |
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356 | jb @F |
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357 | |||
358 | mov edx, 0xA1 |
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359 | sub ebx, 8 |
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360 | @@: |
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361 | in al, dx |
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362 | btr eax, ebx |
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363 | out dx, al |
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364 | ret |
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365 | .APIC: |
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366 | shl ebx, 1 |
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367 | add ebx, 0x10 |
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368 | mov eax, ebx |
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369 | call IOAPIC_read |
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370 | and eax, 0xfffeffff; bit 16 |
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371 | xchg eax, ebx |
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372 | call IOAPIC_write |
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373 | ret |
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374 | endp |
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375 | |||
3320 | clevermous | 376 | proc disable_irq stdcall, irq_line:dword |
377 | mov ebx, [irq_line] |
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378 | cmp [irq_mode], IRQ_APIC |
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379 | je .APIC |
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380 | |||
381 | mov edx, 0x21 |
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382 | cmp ebx, 8 |
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383 | jb @F |
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384 | |||
385 | mov edx, 0xA1 |
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386 | sub ebx, 8 |
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387 | @@: |
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388 | in al, dx |
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389 | bts eax, ebx |
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390 | out dx, al |
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391 | ret |
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392 | .APIC: |
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393 | shl ebx, 1 |
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394 | add ebx, 0x10 |
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395 | mov eax, ebx |
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396 | call IOAPIC_read |
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397 | or eax, 0x10000; bit 16 |
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398 | xchg eax, ebx |
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399 | call IOAPIC_write |
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400 | ret |
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401 | endp |
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402 | |||
2288 | clevermous | 403 | align 4 |
404 | pci_irq_fixup: |
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405 | |||
406 | push ebp |
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407 | |||
408 | mov esi, [acpi_dev_data] |
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409 | mov ebx, [acpi_dev_size] |
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410 | |||
411 | lea edi, [esi+ebx] |
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412 | |||
413 | .iterate: |
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414 | |||
415 | cmp esi, edi |
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416 | jae .done |
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417 | |||
418 | mov eax, [esi] |
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419 | |||
420 | cmp eax, -1 |
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421 | je .done |
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422 | |||
423 | movzx ebx, al |
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424 | movzx ebp, ah |
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425 | |||
426 | stdcall pci_read32, ebp, ebx, 0 |
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427 | |||
428 | cmp eax, [esi+4] |
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429 | jne .skip |
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430 | |||
431 | mov eax, [esi+8] |
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432 | stdcall pci_write8, ebp, ebx, 0x3C, eax |
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433 | .skip: |
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434 | add esi, 16 |
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435 | jmp .iterate |
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436 | |||
437 | .done: |
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438 | .fail: |
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439 | pop ebp |
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440 | ret |
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441 | |||
5787 | serge | 442 | align 4 |
443 | get_clock_ns: |
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2288 | clevermous | 444 | |
5787 | serge | 445 | mov eax, [hpet_base] |
446 | test eax, eax |
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447 | jz .old_tics |
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2288 | clevermous | 448 | |
5787 | serge | 449 | push ebx |
5791 | serge | 450 | push esi |
5787 | serge | 451 | pushfd |
452 | cli |
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2288 | clevermous | 453 | |
5787 | serge | 454 | mov ebx, eax |
455 | @@: |
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456 | mov edx, [ebx+0xF4] |
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457 | mov eax, [ebx+0xF0] |
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458 | mov ecx, [ebx+0xF4] |
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459 | cmp ecx, edx |
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5791 | serge | 460 | jne @B |
2288 | clevermous | 461 | |
5791 | serge | 462 | mul [hpet_period] |
463 | shrd eax, edx, 10 |
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464 | shr edx, 10 |
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5787 | serge | 465 | |
5791 | serge | 466 | mov ebx, eax |
467 | mov esi, edx |
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468 | |||
469 | mov eax, ecx |
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470 | mul [hpet_period] |
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471 | shld edx, eax, 22 |
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472 | shl eax, 22 |
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473 | add eax, ebx |
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474 | adc edx, esi |
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475 | |||
5787 | serge | 476 | popfd |
5791 | serge | 477 | pop esi |
5787 | serge | 478 | pop ebx |
479 | ret |
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480 | |||
481 | .old_tics: |
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482 | mov eax, [timer_ticks] |
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483 | mov edx, 10000000 |
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484 | mul edx |
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485 | ret |
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486 | |||
6590 | serge | 487 | align 4 |
488 | acpi_get_root_ptr: |
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489 | mov eax, [acpi_rsdp] |
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490 | ret><><<> |