xref: /reactos/hal/halx86/include/smp.h (revision 98e8827a)
1 /*
2  * PROJECT:     ReactOS Kernel
3  * LICENSE:     GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
4  * PURPOSE:     Header File for SMP support
5  * COPYRIGHT:   Copyright 2021 Justin Miller <justinmiller100@gmail.com>
6  */
7 
8 #pragma once
9 
10 /* This table is filled for each physical processor on system */
11 typedef struct _PROCESSOR_IDENTITY
12 {
13     UCHAR ProcessorId;
14     UCHAR LapicId;
15     BOOLEAN ProcessorStarted;
16     BOOLEAN BSPCheck;
17     PKPRCB ProcessorPrcb;
18 
19 } PROCESSOR_IDENTITY, *PPROCESSOR_IDENTITY;
20 
21 /* This table is counter of the overall APIC constants acquired from madt */
22 typedef struct _HALP_APIC_INFO_TABLE
23 {
24     ULONG ApicMode;
25     ULONG ProcessorCount; /* Count of all physical cores, This includes BSP */
26     ULONG IOAPICCount;
27     ULONG LocalApicPA;                // The 32-bit physical address at which each processor can access its local interrupt controller
28     ULONG IoApicVA[256];
29     ULONG IoApicPA[256];
30     ULONG IoApicIrqBase[256]; // Global system interrupt base
31 
32 } HALP_APIC_INFO_TABLE, *PHALP_APIC_INFO_TABLE;
33 
34 VOID
35 HalpParseApicTables(
36     _In_ PLOADER_PARAMETER_BLOCK LoaderBlock);
37 
38 VOID
39 HalpSetupProcessorsTable(
40     _In_ UINT32 NTProcessorNumber);
41 
42 VOID
43 HalpPrintApicTables(VOID);
44