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HV: Removed the unused parameters and union from gdt

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In the gdt.h, it defines unions and parameters which is not used
in hypervisor. Removed them to keep the gdt definition simple.

Signed-off-by: Yang, Yu-chu <yu-chu.yang@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>
This commit is contained in:
Yang, Yu-chu
2018-08-15 14:13:36 -07:00
committed by lijinxia
parent 8d35f4e0e8
commit de53964c05
2 changed files with 13 additions and 146 deletions
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147
hypervisor/include/arch/x86/gdt.h
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@@ -78,147 +78,14 @@
#define TSS_AVAIL (9U)
/*
* Definition of an 8 byte code segment descriptor.
*/
union code_segment_descriptor {
uint64_t value;
struct {
union {
uint32_t value;
struct {
uint32_t limit_15_0:16;
uint32_t base_15_0:16;
} bits;
} low32;
union {
uint32_t value;
struct {
uint32_t base_23_16:8;
uint32_t accessed:1;
uint32_t readeable:1;
uint32_t conforming:1;
uint32_t bit11_set:1;
uint32_t bit12_set:1;
uint32_t dpl:2;
uint32_t present:1;
uint32_t limit_19_16:4;
uint32_t avl:1;
uint32_t x64flag:1;
uint32_t dflt:1;
uint32_t granularity:1;
uint32_t base_31_24:8;
} bits;
} high32;
} fields;
} __aligned(8);
/*
* Definition of an 8 byte data segment descriptor.
*/
union data_segment_descriptor {
uint64_t value;
struct {
union {
uint32_t value;
struct {
uint32_t limit_15_0:16;
uint32_t base_15_0:16;
} bits;
} low32;
union {
uint32_t value;
struct {
uint32_t base_23_16:8;
uint32_t accessed:1;
uint32_t writeable:1;
uint32_t expansion:1;
uint32_t bit11_clr:1;
uint32_t bit12_set:1;
uint32_t dpl:2;
uint32_t present:1;
uint32_t limit_19_16:4;
uint32_t avl:1;
uint32_t rsvd_clr:1;
uint32_t big:1;
uint32_t granularity:1;
uint32_t base_31_24:8;
} bits;
} high32;
} fields;
} __aligned(8);
/*
* Definition of an 8 byte system segment descriptor.
*/
union system_segment_descriptor {
uint64_t value;
struct {
union {
uint32_t value;
struct {
uint32_t limit_15_0:16;
uint32_t base_15_0:16;
} bits;
} low32;
union {
uint32_t value;
struct {
uint32_t base_23_16:8;
uint32_t type:4;
uint32_t bit12_clr:1;
uint32_t dpl:2;
uint32_t present:1;
uint32_t limit_19_16:4;
uint32_t rsvd_1:1;
uint32_t rsvd_2_clr:1;
uint32_t rsvd_3:1;
uint32_t granularity:1;
uint32_t base_31_24:8;
} bits;
} high32;
} fields;
} __aligned(8);
/*
* Definition of 16 byte TSS and LDT selectors.
*/
union tss_64_descriptor {
uint64_t value;
struct {
union {
uint32_t value;
struct {
uint32_t limit_15_0:16;
uint32_t base_15_0:16;
} bits;
} low32;
union {
uint32_t value;
struct {
uint32_t base_23_16:8;
uint32_t type:4;
uint32_t bit12_clr:1;
uint32_t dpl:2;
uint32_t present:1;
uint32_t limit_19_16:4;
uint32_t rsvd_1:1;
uint32_t rsvd_2_clr:1;
uint32_t rsvd_3:1;
uint32_t granularity:1;
uint32_t base_31_24:8;
} bits;
} high32;
struct tss_64_descriptor {
uint32_t low32_value;
uint32_t high32_value;
uint32_t base_addr_63_32;
union {
uint32_t value;
struct {
uint32_t rsvd_7_0:8;
uint32_t bits_12_8_clr:4;
uint32_t rsvd_31_13:20;
} bits;
} offset_12;
} fields;
uint32_t offset_12;
} __aligned(8);
/*****************************************************************************
@@ -233,9 +100,9 @@ union tss_64_descriptor {
struct host_gdt {
uint64_t rsvd;
union code_segment_descriptor host_gdt_code_descriptor;
union data_segment_descriptor host_gdt_data_descriptor;
union tss_64_descriptor host_gdt_tss_descriptors;
uint64_t code_segment_descriptor;
uint64_t data_segment_descriptor;
struct tss_64_descriptor host_gdt_tss_descriptors;
} __aligned(8);
/*****************************************************************************