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move idt.S and idt.h out of boot component

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based on previous patch, we can move idt.S and idt.h out of boot component

Tracked-On: #1842
Signed-off-by: Jason Chen CJ <jason.cj.chen@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Jason Chen CJ
2018-12-06 13:55:14 +08:00
committed by wenlingz
parent 27938c3300
commit c2be20d2a0
4 changed files with 1 additions and 3 deletions
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79
hypervisor/include/arch/x86/boot/idt.h
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@@ -1,79 +0,0 @@
/*
* Copyright (C) 2018 Intel Corporation. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef IDT_H
#define IDT_H
/*
* IDT is defined in assembly so we handle exceptions as early as possible.
*/
/* Interrupt Descriptor Table (LDT) selectors are 16 bytes on x86-64 instead of
* 8 bytes.
*/
#define X64_IDT_DESC_SIZE (0x10)
/* Number of the HOST IDT entries */
#define HOST_IDT_ENTRIES (0x100)
/* Size of the IDT */
#define HOST_IDT_SIZE (HOST_IDT_ENTRIES * X64_IDT_DESC_SIZE)
#ifndef ASSEMBLER
/*
* Definition of an 16 byte IDT selector.
*/
union idt_64_descriptor {
uint64_t value;
struct {
union {
uint32_t value;
struct {
uint32_t offset_15_0:16;
uint32_t segment_sel:16;
} bits;
} low32;
union {
uint32_t value;
struct {
uint32_t ist:3;
uint32_t bit_3_clr:1;
uint32_t bit_4_clr:1;
uint32_t bits_5_7_clr:3;
uint32_t type:4;
uint32_t bit_12_clr:1;
uint32_t dpl:2;
uint32_t present:1;
uint32_t offset_31_16:16;
} bits;
} high32;
uint32_t offset_63_32;
uint32_t rsvd;
} fields;
} __aligned(8);
/*****************************************************************************
*
* Definition of the IDT.
*
*****************************************************************************/
struct host_idt {
union idt_64_descriptor host_idt_descriptors[HOST_IDT_ENTRIES];
} __aligned(8);
/*
* Definition of the IDT descriptor.
*/
struct host_idt_descriptor {
uint16_t len;
struct host_idt *idt;
} __packed;
extern struct host_idt HOST_IDT;
extern struct host_idt_descriptor HOST_IDTR;
#endif /* end #ifndef ASSEMBLER */
#endif /* IDT_H */