ReactOS 0.4.15-dev-5666-gc548b97
madt.c
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1/*
2 * PROJECT: ReactOS Kernel
3 * LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
4 * PURPOSE: Source File for MADT Table parsing
5 * COPYRIGHT: Copyright 2021 Justin Miller <justinmiller100@gmail.com>
6 */
7
8/* INCLUDES *******************************************************************/
9
10#include <hal.h>
11#include <acpi.h>
12/* ACPI_BIOS_ERROR defined in acoutput.h and bugcodes.h */
13#undef ACPI_BIOS_ERROR
14#include <smp.h>
15#define NDEBUG
16#include <debug.h>
17
18/* GLOBALS ********************************************************************/
19
26
27/* FUNCTIONS ******************************************************************/
28
29VOID
31 _In_ PLOADER_PARAMETER_BLOCK LoaderBlock)
32{
33 ULONG_PTR TableEnd;
34 ULONG ValidProcessorCount;
35
36 /* We only support legacy APIC for now, this will be updated in the future */
38 MadtTable = HalAcpiGetTable(LoaderBlock, 'CIPA');
39
43
46
50
51 while ((ULONG_PTR)AcpiHeader <= TableEnd)
52 {
54
57 {
58 ValidProcessorCount = HalpApicInfoTable.ProcessorCount;
59
60 HalpProcessorIdentity[ValidProcessorCount].LapicId = LocalApic->Id;
62
64
66 }
67 else
68 {
69 /* End the parsing early if we don't use the currently selected table */
71 }
72 }
73}
74
75VOID
77{
78 UINT32 i;
79
80 DPRINT1("HAL has detected a physical processor count of: %d\n", HalpApicInfoTable.ProcessorCount);
81 for (i = 0; i < HalpApicInfoTable.ProcessorCount; i++)
82 {
83 DPRINT1("Information about the following processor is for processors number: %d\n"
84 " The BSPCheck is set to: %X\n"
85 " The LapicID is set to: %X\n",
86 i, HalpProcessorIdentity[i].BSPCheck, HalpProcessorIdentity[i].LapicId);
87 }
88}
unsigned int UINT32
@ ACPI_MADT_TYPE_LOCAL_APIC
Definition: actbl2.h:1005
struct acpi_table_madt ACPI_TABLE_MADT
#define DPRINT1
Definition: precomp.h:8
while(CdLookupNextInitialFileDirent(IrpContext, Fcb, FileContext))
#define NULL
Definition: types.h:112
#define ULONG_PTR
Definition: config.h:101
#define MAXIMUM_PROCESSORS
Definition: rwlock.h:5
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
PVOID NTAPI HalAcpiGetTable(IN PLOADER_PARAMETER_BLOCK LoaderBlock, IN ULONG Signature)
Definition: halacpi.c:446
unsigned int ULONG
Definition: retypes.h:1
ACPI_MADT_LOCAL_APIC * LocalApic
Definition: madt.c:25
ACPI_TABLE_MADT * MadtTable
Definition: madt.c:23
VOID HalpParseApicTables(_In_ PLOADER_PARAMETER_BLOCK LoaderBlock)
Definition: madt.c:30
VOID HalpPrintApicTables(VOID)
Definition: madt.c:76
HALP_APIC_INFO_TABLE HalpApicInfoTable
Definition: madt.c:22
PROCESSOR_IDENTITY HalpStaticProcessorIdentity[MAXIMUM_PROCESSORS]
Definition: madt.c:20
PPROCESSOR_IDENTITY HalpProcessorIdentity
Definition: madt.c:21
ACPI_SUBTABLE_HEADER * AcpiHeader
Definition: madt.c:24
#define _In_
Definition: ms_sal.h:308
ULONG ProcessorCount
Definition: smp.h:25
ULONG ApicMode
Definition: smp.h:24
UCHAR ProcessorId
Definition: smp.h:13
UCHAR LapicId
Definition: smp.h:14
ACPI_SUBTABLE_HEADER Header
Definition: actbl2.h:1042
UINT32 Length
Definition: actbl.h:109
ACPI_TABLE_HEADER Header
Definition: actbl2.h:985
uint32_t ULONG_PTR
Definition: typedefs.h:65