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Reactos
1/*
2 * PROJECT: ReactOS Hardware Abstraction Layer
3 * LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
4 * PURPOSE: Initialize the APIC HAL
5 * COPYRIGHT: Copyright 2011 Timo Kreuzer <timo.kreuzer@reactos.org>
6 */
7
8/* INCLUDES *****************************************************************/
9
10#include <hal.h>
11#include "apicp.h"
12#include <smp.h>
13#define NDEBUG
14#include <debug.h>
15
16VOID
17NTAPI
18ApicInitializeLocalApic(ULONG Cpu);
19
20/* FUNCTIONS ****************************************************************/
21
22VOID
23NTAPI
24HalpInitProcessor(
25 IN ULONG ProcessorNumber,
26 IN PLOADER_PARAMETER_BLOCK LoaderBlock)
27{
28 if (ProcessorNumber == 0)
29 {
30 HalpParseApicTables(LoaderBlock);
31 }
32
33 HalpSetupProcessorsTable(ProcessorNumber);
34
35 /* Initialize the local APIC for this cpu */
36 ApicInitializeLocalApic(ProcessorNumber);
37
38 /* Initialize profiling data (but don't start it) */
39 HalInitializeProfiling();
40
41 /* Initialize the timer */
42 //ApicInitializeTimer(ProcessorNumber);
43}
44
45VOID
46HalpInitPhase0(IN PLOADER_PARAMETER_BLOCK LoaderBlock)
47{
48 DPRINT1("Using HAL: APIC %s %s\n",
49 (HalpBuildType & PRCB_BUILD_UNIPROCESSOR) ? "UP" : "SMP",
50 (HalpBuildType & PRCB_BUILD_DEBUG) ? "DBG" : "REL");
51
52 HalpPrintApicTables();
53
54 /* Enable clock interrupt handler */
55 HalpEnableInterruptHandler(IDT_INTERNAL,
56 0,
57 APIC_CLOCK_VECTOR,
58 CLOCK2_LEVEL,
59 HalpClockInterrupt,
60 Latched);
61
62 /* Enable profile interrupt handler */
63 HalpEnableInterruptHandler(IDT_DEVICE,
64 0,
65 APIC_PROFILE_VECTOR,
66 APIC_PROFILE_LEVEL,
67 HalpProfileInterrupt,
68 Latched);
69}
70
71VOID
72HalpInitPhase1(VOID)
73{
74 /* Initialize DMA. NT does this in Phase 0 */
75 HalpInitDma();
76}
77
78/* EOF */