+
+
+
+
/* We generate a page table to correspond to a given memory layout
* pulling pages from the mem_list when necessary
* If there are any gaps in the layout, we add them as unmapped pages
}
+int v3_walk_guest_pt_32(struct guest_info * info, v3_reg_t guest_cr3,
+ int (*callback)(int level, addr_t page_va, addr_t page_pa, void private_data),
+ void * private_data) {
+
+
+}
+
+
+int v3_walk_host_pt_32(v3_reg_t host_cr3,
+ int (*callback)(int level, addr_t page_va, addr_t page_pa, void private_data),
+ void * private_data) {
+ pde32_t * host_pde = (pde32_t *)CR3_TO_PDE32_VA(host_cr3);
+ addr_t pde_pa = CR3_TO_PDE32_PA(host_cr3);
+ int i, j;
+
+ if (!callback) {
+ PrintError("Call back was not specified\n");
+ return -1;
+ }
+
+ callback(PAGE_PD32, host_pde, pde_pa, private_data);
+
+ for (i = 0; i < MAX_PDE32_ENTRIES; i++) {
+ if (host_pde[i].present) {
+ if (host_pde[i].lage_page) {
+ pde32_4MB_t * large_pde = (pde32_4MB_t *)&(host_pde[i]);
+ addr_t large_page_pa = BASE_TO_PAGE_ADDR_4MB(large_pde->page_base_addr);
+
+ callback(PAGE_4MB, V3_VAddr(large_page_pa), large_page_pa, private_data);
+ } else {
+ addr_t pte_pa = BASE_TO_PAGE_ADDR(host_pde[i].pt_base_addr);
+ pte32_t * tmp_pte = (pte32_t *)V3_VAddr(pte_pa);
+
+ callback(PAGE_PT32, tmp_pte, pte_pa, private_data);
+
+ for (j = 0; j < MAX_PTE32_ENTRIES; j++) {
+ if (tmp_pte[j].present) {
+ addr_t page_pa = BASE_TO_PAGE_ADDR(tmp_pte[j].page_base_addr);
+ callback(PAGE_4KB, V3_VAddr(page_pa), page_pa, private_data);
+ }
+ }
+ }
+ }
+ }
+ return 0;
+}
+
+
+
+
+
+int v3_walk_host_pt_32pae(v3_reg_t host_cr3,
+ void (*callback)(page_type_t type, addr_t page_va, addr_t page_pa, void * private_data),
+ void * private_data) {
+ pdpe32pae_t * host_pdpe = (pdpe32pae_t *)CR3_TO_PDPE32PAE_VA(host_cr3);
+ addr_t pdpe_pa = CR3_TO_PDPE32PAE_PA(host_cr3);
+ int i, j, k;
+
+ if (!callback) {
+ PrintError("Callback was not specified\n");
+ return -1;
+ }
+
+ callback(PAGE_PDP32PAE, host_pdpe, pdpe_pa, private_data);
+
+ for (i = 0; i < MAX_PDPE32PAE_ENTRIES; i++) {
+ if (host_pdpe[i].present) {
+ addr_t pde_pa = BASE_TO_PAGE_ADDR(host_pdpe[i].pd_base_addr);
+ pde32pae_t * tmp_pde = (pde32pae_t *)V3_VAddr(pde_pa);
+
+ callback(PAGE_PD32PAE, tmp_pde, pde_pa, private_data);
+
+ for (j = 0; j < MAX_PDE32PAE_ENTRIES; j++) {
+ if (tmp_pde[j].present) {
+
+ if (tmp_pde[j].large_page) {
+ pde32pae_2MB_t * large_pde = (pde32pae_2MB_t *)&(tmp_pde[j]);
+ addr_t large_page_pa = BASE_TO_PAGE_ADDR_2MB(large_pde->page_base_addr);
+
+ callback(PAGE_2MB, V3_VAddr(lage_page_pa), lage_page_pa, private_data);
+ } else {
+ addr_t pte_pa = BASE_TO_PAGE_ADDR(tmp_pde[j].pt_base_addr);
+ pte32pae_t * tmp_pte = (pte32pae_t *)V3_VAddr(pte_pa);
+
+ callback(PAGE_PT32PAE, tmp_pte, pte_pa, private_data);
+
+ for (k = 0; k < MAX_PTE32PAE_ENTRIES; k++) {
+ if (tmp_pte[k].present) {
+ addr_t page_pa = BASE_TO_PAGE_ADDR(tmp_pte[k].page_base_addr);
+ callback(PAGE_4KB, V3_VAddr(page_pa), page_pa, private_data);
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ return 0;
+}
+
+
+int v3_walk_host_pt_64(v3_reg_t host_cr3,
+ void (*callback)(page_type_t type, addr_t page_va, addr_t page_pa, void * private_data),
+ void * private_data) {
+ pml4e64_t * host_pml = (pml3e64_t *)CR3_TO_PML4E64_VA(host_cr3);
+ addr_t pml_pa = CR3_TO_PML4E64_PA(host_cr3);
+ int i, j, k, m;
+
+ if (!callback) {
+ PrintError("Callback was not specified\n");
+ return -1;
+ }
+
+ callback(PAGE_PML464, host_pml, pml_pa, private_data);
+
+ for (i = 0; i < MAX_PML4E64_ENTRIES; i++) {
+ if (host_pml[i].present) {
+ addr_t pdpe_pa = BASE_TO_PAGE_ADDR(host_pml[i].pdp_base_addr);
+ pdpe64_t * tmp_pdpe = (pdpe64_t *)V3_VAddr(pdpe_pa);
+
+ callback(PAGE_PDP64, tmp_pdpe, pdpe_pa, private_data);
+
+ for (j = 0; j < MAX_PDPE64_ENTRIES; j++) {
+ if (tmp_pdpe[j].present) {
+ if (tmp_pdpe[j].large_page) {
+ pdpe64_1GB_t * large_pdp = (pdpe64_t *)&(tmp_pdpe[j]);
+ addr_t large_page_pa = BASE_TO_PAGE_ADDR_1GB(large_pdp->page_addr);
+
+ callback(PAGE_1GB, V3_VAddr(large_page_pa), large_page_pa, private_data);
+ } else {
+ addr_t pde_pa = BASE_TO_PAGE_ADDR(tmp_pdpe[j].pd_base_addr);
+ pde64_t * tmp_pde = (pde64_t *)V3_VAddr(pde_pa);
+
+ callback(PAGE_PD64, tmp_pde, pde_pa, private_data);
+
+ for (k = 0; k < MAX_PDE64_ENRIES; k++) {
+ if (tmp_pde[k].present) {
+ if (tmp_pde[k].large_page) {
+ pde64_2MB_t * large_pde = (pde64_2MB_t *)&(tmp_pde[k]);
+ addr_t large_page_pa = BASE_TO_PAGE_ADDR_2MB(large_pde->page_addr);
+
+ callback(PAGE_2MB, V3_VAddr(large_page_pa), large_page_pa, private_data);
+ } else {
+ addr_t pte_pa = BASE_TO_PAGE_ADDR(tmp_pde[k].pt_base_addr);
+ pte64_t * tmp_pte = (pte64_t *)V3_VAddr(pte_pa);
+
+ callback(PAGE_PT64, tmp_pte, pte_pa, private_data);
+
+ for (m = 0; m < MAX_PTE64_ENTRIES; m++) {
+ if (tmp_pte[m].present) {
+ addr_t page_pa = BASE_TO_PAGE_ADDR(tmp_pte[m].page_base_addr);
+ callback(PAGE_4KB, V3_VAddr(page_pa), page_pa, private_data);
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ return 0;
+}
