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hv: mmu: use get/set_pgentry to get/set page table entry

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And remove mem_read/write_xx API.

Tracked-On: #1124

Signed-off-by: Li, Fei1 <fei1.li@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>
This commit is contained in:
Li, Fei1
2018-08-24 10:37:31 +08:00
committed by lijinxia
parent 7f9befb643
commit d67eefb012
2 changed files with 7 additions and 53 deletions
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14
hypervisor/arch/x86/trusty.c
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@@ -106,21 +106,21 @@ static void create_secure_world_ept(struct vm *vm, uint64_t gpa_orig,
*/
sub_table_addr = alloc_paging_struct();
sworld_pml4e = HVA2HPA(sub_table_addr) | table_present;
mem_write64(pml4_base, sworld_pml4e);
set_pgentry((uint64_t *)pml4_base, sworld_pml4e);
nworld_pml4e = mem_read64(vm->arch_vm.nworld_eptp);
nworld_pml4e = get_pgentry((uint64_t *)vm->arch_vm.nworld_eptp);
/*
* copy PTPDEs from normal world EPT to secure world EPT,
* and remove execute access attribute in these entries
*/
dest_pdpte_p = HPA2HVA(sworld_pml4e & IA32E_REF_MASK);
src_pdpte_p = HPA2HVA(nworld_pml4e & IA32E_REF_MASK);
for (i = 0U; i < IA32E_NUM_ENTRIES - 1; i++) {
pdpte = mem_read64(src_pdpte_p);
dest_pdpte_p = pml4e_page_vaddr(sworld_pml4e);
src_pdpte_p = pml4e_page_vaddr(nworld_pml4e);
for (i = 0U; i < PTRS_PER_PDPTE - 1; i++) {
pdpte = get_pgentry(src_pdpte_p);
if ((pdpte & table_present) != 0UL) {
pdpte &= ~EPT_EXE;
mem_write64(dest_pdpte_p, pdpte);
set_pgentry(dest_pdpte_p, pdpte);
}
src_pdpte_p++;
dest_pdpte_p++;