Commit Graph

6 Commits

Author SHA1 Message Date
Mingqiang Chi
db93d80358 mmu: Rename several variables related to page table type
rename 'PT_HOST' to 'PTT_HOST'
rename 'PT_EPT' to 'PTT_EPT'
rename 'ept_type' to 'table_type'

Signed-off-by: Mingqiang Chi <mingqiang.chi@intel.com>
2018-03-20 16:44:53 +08:00
Mingqiang Chi
2a298fad3f Remove unnecessary variable in map_mem
the variable 'table_present' is redundant
in function(map_mem_region)

Signed-off-by: Mingqiang Chi <mingqiang.chi@intel.com>
2018-03-20 14:36:13 +08:00
Mingqiang Chi
67871c42ea Add page mask MACRO
Add 'CPU_PAGE_MASK' used for calculate address,
Change IA32E_REF_MASK from 0x7ffffffffffff000 to 0x000ffffffffff000
for MMU/EPT entry, bit62:52(ignore) bit63(VE/XD)
if we want to obtain the address from the MMU/EPT entry,need to clear
bit63:52 by IA32E_REF_MASK

Signed-off-by: Mingqiang Chi <mingqiang.chi@intel.com>
2018-03-20 14:19:41 +08:00
Mingqiang Chi
bf8714b7e0 add create secure world ept API
This patch is prepared for enabling secure world feature.
this api will create new eptp for secure world, whose PDPT
entries are copied form normal world,the PML4/PDPT for secure
world are separated from Normal World, PD/PT are shared in the
Secure World's EPT and Normal World's EPT.Secure world can
access Normal World's memory, but Normal World can not access
Secure World's memory
This function implemented:
-- Unmap specific memory from guest ept mapping
-- Copy PDPT from Normal world to Secure world
-- Map specific memory for Secure world
-- Unmap specific memory from SOS ept mapping

Signed-off-by: Mingqiang Chi <mingqiang.chi@intel.com>
2018-03-16 21:52:15 +08:00
Mingqiang Chi
78649c4a52 add data structure in vm for enable trusty feature
add key info structure
add sworld_eptp in vm structure, and rename ept->nworld_eptp
add secure world control structure

Change-Id:
Tracked-On:220921
Signed-off-by: Mingqiang Chi <mingqiang.chi@intel.com>
2018-03-15 16:26:55 +08:00
Eddie Dong
f4cd4338fd initial import
internal commit: 14ac2bc2299032fa6714d1fefa7cf0987b3e3085

Signed-off-by: Eddie Dong <eddie.dong@intel.com>
2018-03-07 21:05:38 +08:00