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3 Commits

Author SHA1 Message Date
Li, Fei1
0391f84c83 hv: mmu: replace dynamic memory allocation in memory 
Replace dynamic memory allocation in memory management with static memory allocation.
Since the static memory allocation can guarantee the allocation never failed, so
split_large_page and construct_pgentry don't need to return a errno any more.
Besides, the destroy_ept don't need to free page any more. Instead, it would memset
the eptp to 0 to make sure we can't walk this paging table again.

Tracked-On: #861
Signed-off-by: Li, Fei1 <fei1.li@intel.com>
 2018-11-02 13:15:48 +08:00
Li, Fei1
9c7c0de08f hv: mmu: add static paging table allocation for EPT 
Add static paging table allocation API for EPT.
Note: must configure SOS/UOS_REAM_SIZE exactly as the platform.

Tracked-On: #861
Signed-off-by: Li, Fei1 <fei1.li@intel.com>
 2018-11-02 13:15:48 +08:00
Li, Fei1
dc9d18a868 hv: mmu: add static paging table allocation for hypervisor 
Add static paging table allocation API for hypervisor.
Note: must configure PLATFORM_RAM_SIZE and PLATFORM_MMIO_SIZE exactly as the platform.

Rename RAM_START/RAM_SIZE to HV_RAM_START/HV_RAM_SIZE for HV.

Tracked-On: #861
Signed-off-by: Li, Fei1 <fei1.li@intel.com>
 2018-11-02 13:15:48 +08:00