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hv: move save_segment/load_segment to a header file

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save_segment/load_segment is common code and can be used outside of trusty,
move to a header file.

Signed-off-by: Binbin Wu <binbin.wu@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Binbin Wu 2018-08-07 18:56:07 +08:00 committed by lijinxia
parent 43db87cfed
commit 4acce9338a
2 changed files with 16 additions and 15 deletions
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15
hypervisor/arch/x86/trusty.c
View File

@ -35,21 +35,6 @@ static struct trusty_key_info g_key_info = {
.platform = 3U, .platform = 3U,
.num_seeds = 1U .num_seeds = 1U
}; };
#define save_segment(seg, SEG_NAME) \
{ \
seg.selector = exec_vmread16(SEG_NAME##_SEL); \
seg.base = exec_vmread(SEG_NAME##_BASE); \
seg.limit = exec_vmread32(SEG_NAME##_LIMIT); \
seg.attr = exec_vmread32(SEG_NAME##_ATTR); \
}
#define load_segment(seg, SEG_NAME) \
{ \
exec_vmwrite16(SEG_NAME##_SEL, seg.selector); \
exec_vmwrite(SEG_NAME##_BASE, seg.base); \
exec_vmwrite32(SEG_NAME##_LIMIT, seg.limit); \
exec_vmwrite32(SEG_NAME##_ATTR, seg.attr); \
}
/** /**
* @defgroup trusty_apis Trusty APIs * @defgroup trusty_apis Trusty APIs

16
hypervisor/include/arch/x86/guest/guest.h
View File

@ -46,6 +46,22 @@
#define E820_MAX_ENTRIES 32U #define E820_MAX_ENTRIES 32U
#define save_segment(seg, SEG_NAME) \
{ \
seg.selector = exec_vmread16(SEG_NAME##_SEL); \
seg.base = exec_vmread(SEG_NAME##_BASE); \
seg.limit = exec_vmread32(SEG_NAME##_LIMIT); \
seg.attr = exec_vmread32(SEG_NAME##_ATTR); \
}
#define load_segment(seg, SEG_NAME) \
{ \
exec_vmwrite16(SEG_NAME##_SEL, seg.selector); \
exec_vmwrite(SEG_NAME##_BASE, seg.base); \
exec_vmwrite32(SEG_NAME##_LIMIT, seg.limit); \
exec_vmwrite32(SEG_NAME##_ATTR, seg.attr); \
}
struct e820_mem_params { struct e820_mem_params {
uint64_t mem_bottom; uint64_t mem_bottom;
uint64_t mem_top; uint64_t mem_top;