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Rev | Author | Line No. | Line |
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2288 | clevermous | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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7733 | dunkaist | 3 | ;; Copyright (C) KolibriOS team 2004-2020. 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: 7733 $ |
2288 | clevermous | 9 | |
7733 | dunkaist | 10 | MAX_IOAPICS = 2 |
4850 | mario79 | 11 | |
2288 | clevermous | 12 | uglobal |
7733 | dunkaist | 13 | IRQ_COUNT rd MAX_IOAPICS |
14 | irq_mode rd 1 ; PIC/(IO)APIC |
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15 | IOAPIC_base rd MAX_IOAPICS |
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16 | ioapic_gsi_base rd MAX_IOAPICS ; zero-based, i.e. not vector |
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17 | ioapic_cnt dd ? ; from MADT aka APIC table |
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18 | ioapic_cur dd ? |
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2288 | clevermous | 19 | LAPIC_BASE rd 1 |
20 | endg |
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21 | |||
7136 | dunkaist | 22 | APIC_ID = 0x20 |
23 | APIC_TPR = 0x80 |
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24 | APIC_EOI = 0xb0 |
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25 | APIC_LDR = 0xd0 |
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26 | APIC_DFR = 0xe0 |
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27 | APIC_SVR = 0xf0 |
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28 | APIC_ISR = 0x100 |
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29 | APIC_ESR = 0x280 |
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30 | APIC_ICRL = 0x300 |
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31 | APIC_ICRH = 0x310 |
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32 | APIC_LVT_LINT0 = 0x350 |
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33 | APIC_LVT_LINT1 = 0x360 |
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34 | APIC_LVT_err = 0x370 |
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2288 | clevermous | 35 | |
36 | ; APIC timer |
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7136 | dunkaist | 37 | APIC_LVT_timer = 0x320 |
38 | APIC_timer_div = 0x3e0 |
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39 | APIC_timer_init = 0x380 |
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40 | APIC_timer_cur = 0x390 |
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2288 | clevermous | 41 | ; IOAPIC |
7136 | dunkaist | 42 | IOAPIC_ID = 0x0 |
43 | IOAPIC_VER = 0x1 |
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44 | IOAPIC_ARB = 0x2 |
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45 | IOAPIC_REDTBL = 0x10 |
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2288 | clevermous | 46 | |
47 | align 4 |
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48 | APIC_init: |
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7733 | dunkaist | 49 | push ebx |
2288 | clevermous | 50 | mov [irq_mode], IRQ_PIC |
51 | |||
52 | cmp [acpi_ioapic_base], 0 |
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53 | jz .no_apic |
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54 | |||
55 | cmp [acpi_lapic_base], 0 |
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56 | jz .no_apic |
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57 | |||
58 | stdcall load_file, dev_data_path |
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59 | test eax, eax |
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60 | jz .no_apic |
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61 | |||
62 | mov [acpi_dev_data], eax |
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63 | mov [acpi_dev_size], ebx |
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64 | |||
65 | ; IOAPIC init |
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7733 | dunkaist | 66 | xor ebx, ebx |
67 | @@: |
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68 | stdcall map_io_mem, [acpi_ioapic_base+ebx*4], 0x20, PG_GLOBAL+PG_NOCACHE+PG_SWR |
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69 | mov [IOAPIC_base+ebx*4], eax |
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70 | inc ebx |
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71 | cmp ebx, [ioapic_cnt] |
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72 | jnz @b |
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2288 | clevermous | 73 | |
7733 | dunkaist | 74 | call IRQ_mask_all |
75 | mov [ioapic_cur], 0 |
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76 | .next_ioapic: |
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77 | mov edx, [ioapic_cur] |
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2288 | clevermous | 78 | mov eax, IOAPIC_VER |
79 | call IOAPIC_read |
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80 | shr eax, 16 |
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81 | inc al |
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82 | movzx eax, al |
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7733 | dunkaist | 83 | mov ecx, [ioapic_gsi_base+edx*4] |
84 | cmp ecx, IRQ_RESERVED |
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85 | jae .lapic_init |
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86 | add ecx, eax |
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87 | sub ecx, IRQ_RESERVED |
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2288 | clevermous | 88 | jbe @f |
7733 | dunkaist | 89 | sub eax, ecx |
2288 | clevermous | 90 | @@: |
7733 | dunkaist | 91 | mov [IRQ_COUNT+edx*4], eax |
2288 | clevermous | 92 | |
93 | ; Reroute IOAPIC & mask all interrupts |
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94 | xor ecx, ecx |
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95 | mov eax, IOAPIC_REDTBL |
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7733 | dunkaist | 96 | .next_irq: |
2288 | clevermous | 97 | mov ebx, eax |
98 | call IOAPIC_read |
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3751 | Serge | 99 | mov ah, 0x08; Delivery Mode: Fixed, Destination Mode: Logical |
2288 | clevermous | 100 | mov al, cl |
101 | add al, 0x20; vector |
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7733 | dunkaist | 102 | add eax, [ioapic_gsi_base+edx*4] |
103 | or eax, 0x1a000; Mask Interrupt, level-triggered active-low |
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104 | cmp [ioapic_cur], 0 |
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105 | jnz @f |
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2288 | clevermous | 106 | cmp ecx, 16 |
7733 | dunkaist | 107 | jae @f |
108 | and eax, NOT 0xa000 ; edge-triggered active-high for IRQ0-15 |
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109 | @@: |
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2288 | clevermous | 110 | xchg eax, ebx |
111 | call IOAPIC_write |
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112 | inc eax |
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113 | mov ebx, eax |
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114 | call IOAPIC_read |
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115 | or eax, 0xff000000; Destination Field |
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116 | xchg eax, ebx |
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117 | call IOAPIC_write |
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118 | inc eax |
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119 | inc ecx |
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7733 | dunkaist | 120 | cmp ecx, [IRQ_COUNT+edx*4] |
121 | jb .next_irq |
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2288 | clevermous | 122 | |
7733 | dunkaist | 123 | inc [ioapic_cur] |
124 | inc edx |
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125 | cmp edx, [ioapic_cnt] |
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126 | jnz .next_ioapic |
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127 | |||
128 | .lapic_init: |
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2288 | clevermous | 129 | call LAPIC_init |
130 | |||
131 | mov [irq_mode], IRQ_APIC |
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132 | |||
133 | mov al, 0x70 |
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134 | out 0x22, al |
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135 | mov al, 1 |
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136 | out 0x23, al |
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137 | |||
138 | call pci_irq_fixup |
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139 | .no_apic: |
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7733 | dunkaist | 140 | pop ebx |
2288 | clevermous | 141 | ret |
142 | |||
143 | ;=========================================================== |
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144 | align 4 |
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145 | LAPIC_init: |
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146 | |||
2443 | Serge | 147 | cmp [LAPIC_BASE], 0 |
148 | jne .done |
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149 | |||
5359 | serge | 150 | stdcall map_io_mem, [acpi_lapic_base], 0x1000, PG_GLOBAL+PG_NOCACHE+PG_SWR |
2288 | clevermous | 151 | mov [LAPIC_BASE], eax |
152 | mov esi, eax |
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153 | |||
154 | ; Program Destination Format Register for Flat mode. |
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155 | mov eax, [esi + APIC_DFR] |
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156 | or eax, 0xf0000000 |
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157 | mov [esi + APIC_DFR], eax |
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158 | |||
159 | ; Program Logical Destination Register. |
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160 | mov eax, [esi + APIC_LDR] |
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161 | ;and eax, 0xff000000 |
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162 | and eax, 0x00ffffff |
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163 | or eax, 0x01000000;!!!!!!!!!!!! |
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164 | mov [esi + APIC_LDR], eax |
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165 | |||
166 | ; Task Priority Register initialization. |
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167 | mov eax, [esi + APIC_TPR] |
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168 | and eax, 0xffffff00 |
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169 | mov [esi + APIC_TPR], eax |
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170 | |||
171 | ; Flush the queue |
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172 | mov edx, 0 |
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173 | .nxt2: |
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174 | mov ecx, 32 |
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175 | mov eax, [esi + APIC_ISR + edx] |
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176 | .nxt: |
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177 | shr eax, 1 |
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178 | jnc @f |
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179 | mov dword [esi + APIC_EOI], 0; EOI |
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180 | @@: |
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181 | loop .nxt |
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182 | |||
183 | add edx, 0x10 |
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184 | cmp edx, 0x170 |
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185 | jbe .nxt2 |
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186 | |||
187 | ; Spurious-Interrupt Vector Register initialization. |
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188 | mov eax, [esi + APIC_SVR] |
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189 | or eax, 0x1ff |
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190 | and eax, 0xfffffdff |
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191 | mov [esi + APIC_SVR], eax |
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192 | |||
193 | ; Initialize LVT LINT0 register. (INTR) |
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194 | mov eax, 0x00700 |
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195 | ; mov eax, 0x10700 |
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196 | mov [esi + APIC_LVT_LINT0], eax |
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197 | |||
198 | ; Initialize LVT LINT1 register. (NMI) |
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199 | mov eax, 0x00400 |
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200 | mov [esi + APIC_LVT_LINT1], eax |
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201 | |||
202 | ; Initialize LVT Error register. |
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203 | mov eax, [esi + APIC_LVT_err] |
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204 | or eax, 0x10000; bit 16 |
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205 | mov [esi + APIC_LVT_err], eax |
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206 | |||
207 | ; LAPIC timer |
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208 | ; pre init |
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209 | mov dword[esi + APIC_timer_div], 1011b; 1 |
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210 | mov dword[esi + APIC_timer_init], 0xffffffff; max val |
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211 | push esi |
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212 | mov esi, 640 ; wait 0.64 sec |
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213 | call delay_ms |
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214 | pop esi |
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215 | mov eax, [esi + APIC_timer_cur]; read current tick couner |
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216 | xor eax, 0xffffffff ; eax = 0xffffffff - eax |
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217 | shr eax, 6 ; eax /= 64; APIC ticks per 0.01 sec |
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218 | |||
219 | ; Start (every 0.01 sec) |
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220 | mov dword[esi + APIC_LVT_timer], 0x30020; periodic int 0x20 |
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221 | mov dword[esi + APIC_timer_init], eax |
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2443 | Serge | 222 | |
223 | .done: |
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2288 | clevermous | 224 | ret |
225 | |||
226 | ;=========================================================== |
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227 | ; IOAPIC implementation |
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228 | align 4 |
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229 | IOAPIC_read: |
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230 | ; in : EAX - IOAPIC register |
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231 | ; out: EAX - readed value |
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232 | push esi |
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7733 | dunkaist | 233 | mov esi, [ioapic_cur] |
234 | mov esi, [IOAPIC_base+esi*4] |
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2288 | clevermous | 235 | mov [esi], eax |
236 | mov eax, [esi + 0x10] |
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237 | pop esi |
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238 | ret |
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239 | |||
240 | align 4 |
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241 | IOAPIC_write: |
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242 | ; in : EAX - IOAPIC register |
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243 | ; EBX - value |
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244 | ; out: none |
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245 | push esi |
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7733 | dunkaist | 246 | mov esi, [ioapic_cur] |
247 | mov esi, [IOAPIC_base+esi*4] |
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2288 | clevermous | 248 | mov [esi], eax |
249 | mov [esi + 0x10], ebx |
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250 | pop esi |
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251 | ret |
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252 | ;=========================================================== |
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253 | ; Remap all IRQ to 0x20+ Vectors |
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254 | ; IRQ0 to vector 0x20, IRQ1 to vector 0x21.... |
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255 | align 4 |
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256 | PIC_init: |
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7733 | dunkaist | 257 | mov [IRQ_COUNT], 16 |
2288 | clevermous | 258 | cli |
259 | mov al, 0x11 ; icw4, edge triggered |
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260 | out 0x20, al |
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261 | out 0xA0, al |
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262 | |||
263 | mov al, 0x20 ; generate 0x20 + |
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264 | out 0x21, al |
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265 | mov al, 0x28 ; generate 0x28 + |
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266 | out 0xA1, al |
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267 | |||
268 | mov al, 0x04 ; slave at irq2 |
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269 | out 0x21, al |
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270 | mov al, 0x02 ; at irq9 |
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271 | out 0xA1, al |
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272 | |||
273 | mov al, 0x01 ; 8086 mode |
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274 | out 0x21, al |
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275 | out 0xA1, al |
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276 | |||
277 | call IRQ_mask_all |
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278 | ret |
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279 | |||
280 | ; ----------------------------------------- |
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281 | ; TIMER SET TO 1/100 S |
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282 | align 4 |
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283 | PIT_init: |
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284 | mov al, 0x34 ; set to 100Hz |
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285 | out 0x43, al |
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286 | mov al, 0x9b ; lsb 1193180 / 1193 |
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287 | out 0x40, al |
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288 | mov al, 0x2e ; msb |
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289 | out 0x40, al |
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290 | ret |
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291 | |||
292 | ; ----------------------------------------- |
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293 | align 4 |
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294 | unmask_timer: |
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295 | cmp [irq_mode], IRQ_APIC |
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296 | je @f |
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297 | |||
298 | stdcall enable_irq, 0 |
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299 | ret |
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300 | @@: |
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301 | ; use PIT |
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302 | ; in some systems PIT no connected to IOAPIC |
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303 | ; mov eax, 0x14 |
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304 | ; call IOAPIC_read |
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305 | ; mov ah, 0x09 ; Delivery Mode: Lowest Priority, Destination Mode: Logical |
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306 | ; mov al, 0x20 |
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307 | ; or eax, 0x10000 ; Mask Interrupt |
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308 | ; mov ebx, eax |
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309 | ; mov eax, 0x14 |
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310 | ; call IOAPIC_write |
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311 | ; stdcall enable_irq, 2 |
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312 | ; ret |
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313 | |||
314 | ; use LAPIC timer |
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315 | mov esi, [LAPIC_BASE] |
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316 | mov eax, [esi + APIC_LVT_timer] |
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317 | and eax, 0xfffeffff |
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318 | mov [esi + APIC_LVT_timer], eax |
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319 | ret |
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320 | |||
321 | ; ----------------------------------------- |
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322 | ; Disable all IRQ |
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323 | align 4 |
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324 | IRQ_mask_all: |
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325 | cmp [irq_mode], IRQ_APIC |
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326 | je .APIC |
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327 | |||
328 | mov al, 0xFF |
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329 | out 0x21, al |
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330 | out 0xA1, al |
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331 | mov ecx, 0x1000 |
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332 | ret |
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333 | .APIC: |
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7733 | dunkaist | 334 | cmp [IOAPIC_base], 0 |
335 | jz .done |
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336 | mov [ioapic_cur], 0 |
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337 | .next_ioapic: |
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338 | mov edx, [ioapic_cur] |
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339 | mov ecx, [IRQ_COUNT+edx*4] |
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2288 | clevermous | 340 | mov eax, 0x10 |
341 | @@: |
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342 | mov ebx, eax |
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343 | call IOAPIC_read |
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344 | or eax, 0x10000; bit 16 |
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345 | xchg eax, ebx |
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346 | call IOAPIC_write |
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347 | inc eax |
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348 | inc eax |
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349 | loop @b |
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7733 | dunkaist | 350 | |
351 | inc [ioapic_cur] |
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352 | inc edx |
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353 | cmp edx, [ioapic_cnt] |
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354 | jnz .next_ioapic |
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355 | .done: |
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2288 | clevermous | 356 | ret |
357 | |||
358 | ; ----------------------------------------- |
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359 | ; End Of Interrupt |
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360 | ; cl - IRQ number |
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361 | align 4 |
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362 | irq_eoi: ; __fastcall |
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363 | cmp [irq_mode], IRQ_APIC |
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364 | je .APIC |
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365 | |||
366 | cmp cl, 8 |
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367 | mov al, 0x20 |
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368 | jb @f |
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369 | out 0xa0, al |
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370 | @@: |
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371 | out 0x20, al |
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372 | ret |
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373 | |||
374 | .APIC: |
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375 | mov eax, [LAPIC_BASE] |
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376 | mov dword [eax + APIC_EOI], 0; EOI |
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377 | ret |
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378 | |||
379 | ; ----------------------------------------- |
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380 | ; from dll.inc |
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381 | align 4 |
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382 | proc enable_irq stdcall, irq_line:dword |
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383 | mov ebx, [irq_line] |
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384 | cmp [irq_mode], IRQ_APIC |
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385 | je .APIC |
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386 | |||
387 | mov edx, 0x21 |
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388 | cmp ebx, 8 |
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389 | jb @F |
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390 | |||
391 | mov edx, 0xA1 |
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392 | sub ebx, 8 |
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393 | @@: |
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394 | in al, dx |
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395 | btr eax, ebx |
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396 | out dx, al |
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397 | ret |
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398 | .APIC: |
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7733 | dunkaist | 399 | push [ioapic_cur] |
400 | xor eax, eax |
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401 | .next_ioapic: |
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402 | mov ecx, [ioapic_gsi_base+eax*4] |
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403 | add ecx, [IRQ_COUNT+eax*4] |
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404 | cmp ebx, ecx |
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405 | jb .found |
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406 | inc eax |
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407 | cmp eax, [ioapic_cnt] |
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408 | jnz .next_ioapic |
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409 | jmp .done |
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410 | .found: |
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411 | mov [ioapic_cur], eax |
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412 | sub ebx, [ioapic_gsi_base+eax*4] |
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2288 | clevermous | 413 | shl ebx, 1 |
414 | add ebx, 0x10 |
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415 | mov eax, ebx |
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416 | call IOAPIC_read |
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417 | and eax, 0xfffeffff; bit 16 |
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418 | xchg eax, ebx |
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419 | call IOAPIC_write |
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7733 | dunkaist | 420 | .done: |
421 | pop [ioapic_cur] |
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2288 | clevermous | 422 | ret |
423 | endp |
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424 | |||
3320 | clevermous | 425 | proc disable_irq stdcall, irq_line:dword |
426 | mov ebx, [irq_line] |
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427 | cmp [irq_mode], IRQ_APIC |
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428 | je .APIC |
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429 | |||
430 | mov edx, 0x21 |
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431 | cmp ebx, 8 |
||
432 | jb @F |
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433 | |||
434 | mov edx, 0xA1 |
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435 | sub ebx, 8 |
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436 | @@: |
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437 | in al, dx |
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438 | bts eax, ebx |
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439 | out dx, al |
||
440 | ret |
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441 | .APIC: |
||
7733 | dunkaist | 442 | push [ioapic_cur] |
443 | xor eax, eax |
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444 | .next_ioapic: |
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445 | mov ecx, [ioapic_gsi_base+eax*4] |
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446 | add ecx, [IRQ_COUNT+eax*4] |
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447 | cmp ebx, ecx |
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448 | jae .found |
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449 | inc eax |
||
450 | cmp eax, [ioapic_cnt] |
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451 | jnz .next_ioapic |
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452 | jmp .done |
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453 | .found: |
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454 | mov [ioapic_cur], eax |
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455 | sub ebx, [ioapic_gsi_base+eax*4] |
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3320 | clevermous | 456 | shl ebx, 1 |
457 | add ebx, 0x10 |
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458 | mov eax, ebx |
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459 | call IOAPIC_read |
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460 | or eax, 0x10000; bit 16 |
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461 | xchg eax, ebx |
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462 | call IOAPIC_write |
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7733 | dunkaist | 463 | .done: |
464 | pop [ioapic_cur] |
||
3320 | clevermous | 465 | ret |
466 | endp |
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467 | |||
2288 | clevermous | 468 | align 4 |
469 | pci_irq_fixup: |
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470 | |||
471 | push ebp |
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472 | |||
473 | mov esi, [acpi_dev_data] |
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474 | mov ebx, [acpi_dev_size] |
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475 | |||
476 | lea edi, [esi+ebx] |
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477 | |||
478 | .iterate: |
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479 | |||
480 | cmp esi, edi |
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481 | jae .done |
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482 | |||
483 | mov eax, [esi] |
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484 | |||
485 | cmp eax, -1 |
||
486 | je .done |
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487 | |||
488 | movzx ebx, al |
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489 | movzx ebp, ah |
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490 | |||
491 | stdcall pci_read32, ebp, ebx, 0 |
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492 | |||
493 | cmp eax, [esi+4] |
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494 | jne .skip |
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495 | |||
496 | mov eax, [esi+8] |
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497 | stdcall pci_write8, ebp, ebx, 0x3C, eax |
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498 | .skip: |
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499 | add esi, 16 |
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500 | jmp .iterate |
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501 | |||
502 | .done: |
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503 | .fail: |
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504 | pop ebp |
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505 | ret |
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506 | |||
5787 | serge | 507 | align 4 |
508 | get_clock_ns: |
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2288 | clevermous | 509 | |
5787 | serge | 510 | mov eax, [hpet_base] |
511 | test eax, eax |
||
512 | jz .old_tics |
||
2288 | clevermous | 513 | |
5787 | serge | 514 | push ebx |
5791 | serge | 515 | push esi |
5787 | serge | 516 | pushfd |
517 | cli |
||
2288 | clevermous | 518 | |
5787 | serge | 519 | mov ebx, eax |
520 | @@: |
||
521 | mov edx, [ebx+0xF4] |
||
522 | mov eax, [ebx+0xF0] |
||
523 | mov ecx, [ebx+0xF4] |
||
524 | cmp ecx, edx |
||
5791 | serge | 525 | jne @B |
6941 | serge | 526 | popfd |
2288 | clevermous | 527 | |
6942 | serge | 528 | ;96-bit arithmetic |
529 | ;ebx - low dword |
||
530 | ;esi - medium dword |
||
531 | ;edx - high dword |
||
532 | |||
5791 | serge | 533 | mul [hpet_period] |
534 | mov ebx, eax |
||
535 | mov esi, edx |
||
536 | |||
537 | mov eax, ecx |
||
538 | mul [hpet_period] |
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6942 | serge | 539 | add esi, eax |
540 | adc edx, 0 |
||
6941 | serge | 541 | mov eax, ebx |
6942 | serge | 542 | mov ebx, esi |
543 | shrd eax, ebx, 10 |
||
544 | shrd esi, edx, 10 |
||
545 | mov edx, esi |
||
5791 | serge | 546 | |
547 | pop esi |
||
5787 | serge | 548 | pop ebx |
549 | ret |
||
550 | |||
551 | .old_tics: |
||
552 | mov eax, [timer_ticks] |
||
553 | mov edx, 10000000 |
||
554 | mul edx |
||
555 | ret |
||
556 | |||
6590 | serge | 557 | align 4 |
558 | acpi_get_root_ptr: |
||
559 | mov eax, [acpi_rsdp] |
||
560 | ret |