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Add Local APIC Library class defining APIs for common Local APIC operations. Add...
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bf73cc4b 1/** @file\r
2 IA32 Local APIC Definitions.\r
3\r
4 Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>\r
5 This program and the accompanying materials\r
6 are licensed and made available under the terms and conditions of the BSD License\r
7 which accompanies this distribution. The full text of the license may be found at\r
8 http://opensource.org/licenses/bsd-license.php\r
9\r
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
12\r
13**/\r
14\r
15#ifndef __LOCAL_APIC_H__\r
16#define __LOCAL_APIC_H__\r
17\r
18//\r
19// Definitions for IA32 architectural MSRs\r
20//\r
21#define MSR_IA32_APIC_BASE_ADDRESS 0x1B\r
22\r
23//\r
24// Definitions for CPUID instruction\r
25//\r
26#define CPUID_VERSION_INFO 0x1\r
27#define CPUID_EXTENDED_FUNCTION 0x80000000\r
28#define CPUID_VIR_PHY_ADDRESS_SIZE 0x80000008\r
29\r
30//\r
31// Definition for Local APIC registers and related values\r
32//\r
33#define XAPIC_ID_OFFSET 0x0\r
34#define XAPIC_EOI_OFFSET 0x0b0\r
35#define XAPIC_ICR_DFR_OFFSET 0x0e0\r
36#define XAPIC_SPURIOUS_VECTOR_OFFSET 0x0f0\r
37#define XAPIC_ICR_LOW_OFFSET 0x300\r
38#define XAPIC_ICR_HIGH_OFFSET 0x310\r
39#define XAPIC_LVT_TIMER_OFFSET 0x320\r
40#define XAPIC_LINT0_VECTOR_OFFSET 0x350\r
41#define XAPIC_LINT1_VECTOR_OFFSET 0x360\r
42#define XAPIC_TIMER_INIT_COUNT_OFFSET 0x380\r
43#define XAPIC_TIMER_CURRENT_COUNT_OFFSET 0x390\r
44#define XAPIC_TIMER_DIVIDE_CONFIGURATION_OFFSET 0x3E0\r
45\r
46#define X2APIC_MSR_BASE_ADDRESS 0x800\r
47#define X2APIC_MSR_ICR_ADDRESS 0x830\r
48\r
49#define LOCAL_APIC_DELIVERY_MODE_FIXED 0\r
50#define LOCAL_APIC_DELIVERY_MODE_LOWEST_PRIORITY 1\r
51#define LOCAL_APIC_DELIVERY_MODE_SMI 2\r
52#define LOCAL_APIC_DELIVERY_MODE_NMI 4\r
53#define LOCAL_APIC_DELIVERY_MODE_INIT 5\r
54#define LOCAL_APIC_DELIVERY_MODE_STARTUP 6\r
55#define LOCAL_APIC_DELIVERY_MODE_EXTINT 7\r
56\r
57#define LOCAL_APIC_DESTINATION_SHORTHAND_NO_SHORTHAND 0\r
58#define LOCAL_APIC_DESTINATION_SHORTHAND_SELF 1\r
59#define LOCAL_APIC_DESTINATION_SHORTHAND_ALL_INCLUDING_SELF 2\r
60#define LOCAL_APIC_DESTINATION_SHORTHAND_ALL_EXCLUDING_SELF 3\r
61\r
62typedef union {\r
63 struct {\r
64 UINT64 Reserved0:8; ///< Reserved.\r
65 UINT64 Bsp:1; ///< Processor is BSP.\r
66 UINT64 Reserved1:1; ///< Reserved.\r
67 UINT64 Extd:1; ///< Enable x2APIC mode.\r
68 UINT64 En:1; ///< xAPIC global enable/disable.\r
69 UINT64 ApicBase:52; ///< APIC Base physical address. The actual field width depends on physical address width.\r
70 } Bits;\r
71 UINT64 Uint64;\r
72} MSR_IA32_APIC_BASE;\r
73\r
74//\r
75// Low half of Interrupt Command Register (ICR).\r
76//\r
77typedef union {\r
78 struct {\r
79 UINT32 Vector:8; ///< The vector number of the interrupt being sent.\r
80 UINT32 DeliveryMode:3; ///< Specifies the type of IPI to be sent.\r
81 UINT32 DestinationMode:1; ///< 0: physical destination mode, 1: logical destination mode.\r
82 UINT32 DeliveryStatus:1; ///< Indicates the IPI delivery status. This field is reserved in x2APIC mode.\r
83 UINT32 Reserved0:1; ///< Reserved.\r
84 UINT32 Level:1; ///< 0 for the INIT level de-assert delivery mode. Otherwise 1.\r
85 UINT32 TriggerMode:1; ///< 0: edge, 1: level when using the INIT level de-assert delivery mode.\r
86 UINT32 Reserved1:2; ///< Reserved.\r
87 UINT32 DestinationShorthand:2; ///< A shorthand notation to specify the destination of the interrupt.\r
88 UINT32 Reserved2:12; ///< Reserved.\r
89 } Bits;\r
90 UINT32 Uint32;\r
91} LOCAL_APIC_ICR_LOW;\r
92\r
93//\r
94// High half of Interrupt Command Register (ICR)\r
95//\r
96typedef union {\r
97 struct {\r
98 UINT32 Reserved0:24; ///< Reserved.\r
99 UINT32 Destination:8; ///< Specifies the target processor or processors in xAPIC mode.\r
100 } Bits;\r
101 UINT32 Uint32; ///< Destination field expanded to 32-bit in x2APIC mode.\r
102} LOCAL_APIC_ICR_HIGH;\r
103\r
104//\r
105// Spurious-Interrupt Vector Register (SVR)\r
106//\r
107typedef union {\r
108 struct {\r
109 UINT32 SpuriousVector:8; ///< Spurious Vector.\r
110 UINT32 SoftwareEnable:1; ///< APIC Software Enable/Disable.\r
111 UINT32 FocusProcessorChecking:1; ///< Focus Processor Checking.\r
112 UINT32 Reserved0:2; ///< Reserved.\r
113 UINT32 EoiBroadcastSuppression:1; ///< EOI-Broadcast Suppression.\r
114 UINT32 Reserved1:19; ///< Reserved.\r
115 } Bits;\r
116 UINT32 Uint32;\r
117} LOCAL_APIC_SVR;\r
118\r
119//\r
120// Divide Configuration Register (DCR)\r
121//\r
122typedef union {\r
123 struct {\r
124 UINT32 DivideValue1:2; ///< Low 2 bits of the divide value.\r
125 UINT32 Reserved0:1; ///< Always 0.\r
126 UINT32 DivideValue2:1; ///< Highest 1 bit of the divide value.\r
127 UINT32 Reserved1:28; ///< Reserved.\r
128 } Bits;\r
129 UINT32 Uint32;\r
130} LOCAL_APIC_DCR;\r
131\r
132//\r
133// LVT Timer Register\r
134//\r
135typedef union {\r
136 struct {\r
137 UINT32 Vector:8; ///< The vector number of the interrupt being sent.\r
138 UINT32 Reserved0:4; ///< Reserved.\r
139 UINT32 DeliveryStatus:1; ///< 0: Idle, 1: send pending.\r
140 UINT32 Reserved1:3; ///< Reserved.\r
141 UINT32 Mask:1; ///< 0: Not masked, 1: Masked.\r
142 UINT32 TimerMode:1; ///< 0: One-shot, 1: Periodic.\r
143 UINT32 Reserved2:14; ///< Reserved.\r
144 } Bits;\r
145 UINT32 Uint32;\r
146} LOCAL_APIC_LVT_TIMER;\r
147\r
148//\r
149// LVT LINT0/LINT1 Register\r
150//\r
151typedef union {\r
152 struct {\r
153 UINT32 Vector:8; ///< The vector number of the interrupt being sent.\r
154 UINT32 DeliveryMode:3; ///< Specifies the type of interrupt to be sent.\r
155 UINT32 Reserved0:1; ///< Reserved.\r
156 UINT32 DeliveryStatus:1; ///< 0: Idle, 1: send pending.\r
157 UINT32 InputPinPolarity:1; ///< Interrupt Input Pin Polarity.\r
158 UINT32 RemoteIrr:1; ///< RO. Set when the local APIC accepts the interrupt and reset when an EOI is received.\r
159 UINT32 TriggerMode:1; ///< 0:edge, 1:level.\r
160 UINT32 Mask:1; ///< 0: Not masked, 1: Masked.\r
161 UINT32 Reserved1:15; ///< Reserved.\r
162 } Bits;\r
163 UINT32 Uint32;\r
164} LOCAL_APIC_LVT_LINT;\r
165\r
166#endif\r
167\r