305 lines
7.5 KiB
PHP
305 lines
7.5 KiB
PHP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2020. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision$
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; ACPI Generic Address Structure
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struct GAS
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ASID db ? ; address space id
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BitWidth db ?
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BitOffset db ?
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AccessSize db ?
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Address DQ ?
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ends
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ASID.SYSTEM_MEMORY = 0
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ASID.SYSTEM_IO = 1
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ASID.PCI_CONFIG = 2
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ASID.PCI_EC = 3
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ASID.PCI_SMBUS = 4
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ACCESS_SIZE.UNDEFINED = 0
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ACCESS_SIZE.BYTE = 1
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ACCESS_SIZE.WORD = 2
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ACCESS_SIZE.DWORD = 3
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ACCESS_SIZE.QWORD = 4
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struct ACPI_RSDP
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Signature DQ ?
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Checksum db ?
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OEMID rb 6
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Revision db ?
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RsdtAddress dd ?
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; for Revision >= 2
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Length dd ?
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XsdtAddress DQ ?
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ExtChecksum db ?
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Reserved rb 3
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ends
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struct ACPI_TABLE ; DESCRIPTION_HEADER
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Signature dd ?
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Length dd ?
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Revision db ?
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Checksum db ?
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OEMID rb 6
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OEMTableID rb 8
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OEMRevision rb 4
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CreatorID rb 4
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CreatorRevision rb 4
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ends
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struct ACPI_RSDT ACPI_TABLE
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Entry rd (0x1000-sizeof.ACPI_TABLE)/4
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ends
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struct ACPI_HPET ACPI_TABLE
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ID dd ?
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Base GAS
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SeqNumber db ?
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MainCounterMinimum dw ?
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PageProtectionOEM db ?
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ends
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struct ACPI_MADT ACPI_TABLE
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Local_IC_Addr dd ?
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Flags dd ?
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IntController rb 0x1000-sizeof.ACPI_TABLE-ACPI_MADT.IntController
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ends
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struct ACPI_FADT ACPI_TABLE
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FirmwareCtrl dd ?
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DSDT dd ?
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db ?
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PreferredPMProfile db ?
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SCI_INT dw ?
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SMI_CMD dd ?
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ACPI_ENABLE db ?
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ACPI_DISABLE db ?
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S4BIOS_REQ db ?
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PSTATE_CNT db ?
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PM1a_EVT_BLK dd ?
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PM1b_EVT_BLK dd ?
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PM1a_CNT_BLK dd ?
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PM1b_CNT_BLK dd ?
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PM2_CNT_BLK dd ?
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PM_TMR_BLK dd ?
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GPE0_BLK dd ?
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GPE1_BLK dd ?
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PM1_EVT_LEN db ?
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PM1_CNT_LEN db ?
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PM2_CNT_LEN db ?
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PM_TMR_LEN db ?
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GPE0_BLK_LEN db ?
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GPE1_BLK_LEN db ?
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GPE1_BASE db ?
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CST_CNT db ?
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P_LVL2_LAT dw ?
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P_LVL3_LAT dw ?
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FLUSH_SIZE dw ?
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FLUSH_STRIDE dw ?
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DUTY_OFFSET db ?
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DUTY_WIDTH db ?
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DAY_ALRM db ?
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MON_ALRM db ?
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CENTURY db ?
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IAPC_BOOT_ARCH dw ?
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db ?
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Flags dd ?
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RESET_REG GAS
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RESET_VALUE db ?
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ARM_BOOT_ARCH dw ?
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FADT_Minor_Version db ?
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X_FIRMWARE_CTRL DQ ?
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X_DSDT DQ ?
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X_PM1a_EVT_BLK GAS
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X_PM1b_EVT_BLK GAS
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X_PM1a_CNT_BLK GAS
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X_PM1b_CNT_BLK GAS
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X_PM2_CNT_BLK GAS
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X_PM_TMR_BLK GAS
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X_GPE0_BLK GAS
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X_GPE1_BLK GAS
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SLEEP_CONTROL_REG GAS
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SLEEP_STATUS_REG GAS
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HypervisorVendorID rb 8
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ends
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MAX_SSDTS = 32
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iglobal
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align 4
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acpi_lapic_base dd 0xfee00000 ; default local apic base
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endg
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uglobal
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align 4
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acpi_dev_data rd 1
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acpi_dev_size rd 1
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acpi_rsdp_base rd 1
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acpi_rsdt_base rd 1
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acpi_rsdt_size rd 1
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acpi_fadt_base rd 1
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acpi_fadt_size rd 1
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acpi_ssdt_base rd MAX_SSDTS
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acpi_ssdt_size rd MAX_SSDTS
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acpi_ssdt_cnt rd 1
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acpi_madt_base rd 1
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acpi_madt_size rd 1
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acpi_ioapic_base rd MAX_IOAPICS
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acpi_hpet_base rd 1
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acpi_hpet_size rd 1
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cpu_count rd 1
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smpt rd 16
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endg
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align 4
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; @returns ACPI Root System Description Pointer
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acpi_get_root_ptr:
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mov eax, [acpi_rsdp_base]
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ret
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align 4
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rsdt_find: ;ecx= rsdt edx= SIG
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push ebx
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push esi
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lea ebx, [ecx+ACPI_RSDT.Entry]
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mov esi, [ecx+ACPI_RSDT.Length]
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add esi, ecx
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align 4
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.next:
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mov eax, [ebx]
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cmp [eax], edx
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je .done
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add ebx, 4
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cmp ebx, esi
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jb .next
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xor eax, eax
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pop esi
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pop ebx
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ret
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.done:
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mov eax, [ebx]
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pop esi
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pop ebx
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ret
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align 4
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check_acpi:
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cmp [acpi_rsdp_base], 0
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jz .done
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stdcall map_io_mem, [acpi_rsdp_base], sizeof.ACPI_RSDP, \
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PG_GLOBAL+PAT_WB+PG_READ
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mov [acpi_rsdp_base], eax
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.rsdp_done:
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cmp [acpi_rsdt_base], 0
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jz .rsdt_done
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stdcall map_io_mem, [acpi_rsdt_base], [acpi_rsdt_size], \
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PG_GLOBAL+PAT_WB+PG_READ
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mov [acpi_rsdt_base], eax
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.rsdt_done:
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cmp [acpi_fadt_base], 0
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jz .fadt_done
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stdcall map_io_mem, [acpi_fadt_base], [acpi_fadt_size], \
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PG_GLOBAL+PAT_WB+PG_READ
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mov [acpi_fadt_base], eax
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.fadt_done:
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cmp [acpi_hpet_base], 0
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jz .hpet_done
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stdcall map_io_mem, [acpi_hpet_base], [acpi_hpet_size], \
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PG_GLOBAL+PAT_WB+PG_READ
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mov [acpi_hpet_base], eax
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mov eax, [eax+ACPI_HPET.Base.Address.lo]
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mov [hpet_base], eax
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.hpet_done:
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cmp [acpi_madt_base], 0
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jz .madt_done
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stdcall map_io_mem, [acpi_madt_base], [acpi_madt_size], \
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PG_GLOBAL+PAT_WB+PG_READ
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mov [acpi_madt_base], eax
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mov ecx, [eax+ACPI_MADT.Local_IC_Addr]
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mov [acpi_lapic_base], ecx
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push eax
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stdcall map_io_mem, ecx, 0x1000, PG_GLOBAL+PG_NOCACHE+PG_SWR
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mov [LAPIC_BASE], eax
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mov ecx, eax
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pop eax
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mov edi, smpt
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mov ebx, [ecx+APIC_ID]
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shr ebx, 24 ; read APIC ID
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mov [edi], ebx ; bootstrap always first
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inc [cpu_count]
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add edi, 4
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mov [ioapic_cnt], 0
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lea edx, [eax+ACPI_MADT.IntController]
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mov ecx, [eax+ACPI_MADT.Length]
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add ecx, eax
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.check:
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mov eax, [edx]
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cmp al, 0
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je .lapic
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cmp al, 1
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je .io_apic
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jmp .next
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.lapic:
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shr eax, 24 ; get APIC ID
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cmp eax, ebx ; skip self
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je .next
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test [edx+4], byte 1 ; is enabled ?
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jz .next
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cmp [cpu_count], 16
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jae .next
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stosd ; store APIC ID
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inc [cpu_count]
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jmp .next
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.io_apic:
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mov eax, [ioapic_cnt]
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push dword[edx+4]
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pop [acpi_ioapic_base+eax*4]
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push dword[edx+8]
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pop [ioapic_gsi_base+eax*4]
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inc [ioapic_cnt]
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jmp .next
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.next:
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mov eax, [edx]
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movzx eax, ah
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add edx, eax
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cmp edx, ecx
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jb .check
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.madt_done:
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xor ecx, ecx
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.next_ssdt:
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cmp ecx, [acpi_ssdt_cnt]
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jz .ssdt_done
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push ecx
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stdcall map_io_mem, [acpi_ssdt_base+ecx*4], [acpi_ssdt_size+ecx*4], \
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PG_GLOBAL+PAT_WB+PG_READ
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pop ecx
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mov [acpi_ssdt_base+ecx*4], eax
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inc ecx
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jmp .next_ssdt
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.ssdt_done:
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.done:
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ret
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