#include <palacios/vm_guest_mem.h>
+static pt_entry_type_t pde32_lookup(pde32_t * pd, addr_t addr, addr_t * entry);
+static pt_entry_type_t pte32_lookup(pte32_t * pt, addr_t addr, addr_t * entry);
+
+static pt_entry_type_t pdpe32pae_lookup(pdpe32pae_t * pdp, addr_t addr, addr_t * entry);
+static pt_entry_type_t pde32pae_lookup(pde32pae_t * pd, addr_t addr, addr_t * entry);
+static pt_entry_type_t pte32pae_lookup(pte32pae_t * pt, addr_t addr, addr_t * entry);
+
+static pt_entry_type_t pml4e64_lookup(pml4e64_t * pml, addr_t addr, addr_t * entry);
+static pt_entry_type_t pdpe64_lookup(pdpe64_t * pdp, addr_t addr, addr_t * entry);
+static pt_entry_type_t pde64_lookup(pde64_t * pd, addr_t addr, addr_t * entry);
+static pt_entry_type_t pte64_lookup(pte64_t * pt, addr_t addr, addr_t * entry);
+
+
+
#define USE_VMM_PAGING_DEBUG
// All of the debug functions defined in vmm_paging.h are implemented in this file
#undef USE_VMM_PAGING_DEBUG
+
+
+
void delete_page_tables_32(pde32_t * pde) {
int i;
}
-int v3_translate_guest_pt_32(struct guest_info * info, v3_reg_t guest_cr3, addr_t vaddr, addr_t * paddr) {
- addr_t guest_pde_pa = CR3_TO_PDE32_PA(guest_cr3);
- pde32_t * guest_pde = 0;
- addr_t guest_pte_pa = 0;
- if (guest_pa_to_host_va(info, guest_pde_pa, (addr_t*)&guest_pde) == -1) {
- PrintError("Could not get virtual address of Guest PDE32 (PA=%p)\n",
- (void *)guest_pde_pa);
+
+static int translate_pt_32_cb(page_type_t type, addr_t vaddr, addr_t page_ptr, addr_t page_pa, void * private_data) {
+ addr_t * paddr = (addr_t *)private_data;
+
+ switch (type) {
+ case PAGE_PD32:
+ case PAGE_PT32:
+ return 0;
+ case PAGE_4MB:
+ *paddr = page_pa + PAGE_OFFSET_4MB(vaddr);
+ return 0;
+ case PAGE_4KB:
+ *paddr = page_pa + PAGE_OFFSET_4KB(vaddr);
+ return 0;
+ default:
+ PrintError("Inavlid page type (%s) in tranlate pt 32 callback\n", v3_page_type_to_str(type));
return -1;
}
+}
+
+static int translate_pt_32pae_cb(page_type_t type, addr_t vaddr, addr_t page_ptr, addr_t page_pa, void * private_data) {
+ addr_t * paddr = (addr_t *)private_data;
- switch (pde32_lookup(guest_pde, vaddr, &guest_pte_pa)) {
- case PT_ENTRY_NOT_PRESENT:
- *paddr = 0;
- return -1;
- case PT_ENTRY_LARGE_PAGE:
- *paddr = guest_pte_pa;
+ switch (type) {
+ case PAGE_PDP32PAE:
+ case PAGE_PD32PAE:
+ case PAGE_PT32PAE:
return 0;
- case PT_ENTRY_PAGE:
- {
- pte32_t * guest_pte = NULL;
-
- if (guest_pa_to_host_va(info, guest_pte_pa, (addr_t*)&guest_pte) == -1) {
- PrintError("Could not get virtual address of Guest PTE32 (PA=%p)\n",
- (void *)guest_pte_pa);
- return -1;
- }
+ case PAGE_2MB:
+ *paddr = page_pa + PAGE_OFFSET_2MB(vaddr);
+ return 0;
+ case PAGE_4KB:
+ *paddr = page_pa + PAGE_OFFSET_4KB(vaddr);
+ return 0;
+ default:
+ PrintError("Inavlid page type (%s) in translate pt 32pae callback\n", v3_page_type_to_str(type));
+ return -1;
+ }
+}
- if (pte32_lookup(guest_pte, vaddr, paddr) == PT_ENTRY_NOT_PRESENT) {
- return -1;
- }
+static int translate_pt_64_cb(page_type_t type, addr_t vaddr, addr_t page_ptr, addr_t page_pa, void * private_data) {
+ addr_t * paddr = (addr_t *)private_data;
- return 0;
- }
+ switch (type) {
+ case PAGE_PML464:
+ case PAGE_PDP64:
+ case PAGE_PD64:
+ case PAGE_PT64:
+ return 0;
+ case PAGE_1GB:
+ *paddr = page_pa + PAGE_OFFSET_1GB(vaddr);
+ return 0;
+ case PAGE_2MB:
+ *paddr = page_pa + PAGE_OFFSET_2MB(vaddr);
+ return 0;
+ case PAGE_4KB:
+ *paddr = page_pa + PAGE_OFFSET_4KB(vaddr);
+ return 0;
+ default:
+ PrintError("Inavlid page type (%s) in translate pt 64 callback\n", v3_page_type_to_str(type));
+ return -1;
}
+}
- // should never get here
- return -1;
+
+int v3_translate_host_pt_32(v3_reg_t host_cr3, addr_t vaddr, addr_t * paddr) {
+ return v3_drill_host_pt_32(host_cr3, vaddr, translate_pt_32_cb, paddr);
+}
+int v3_translate_guest_pt_32(struct guest_info * info, v3_reg_t guest_cr3, addr_t vaddr, addr_t * paddr) {
+ return v3_drill_guest_pt_32(info, guest_cr3, vaddr, translate_pt_32_cb, paddr);
}
+int v3_translate_host_pt_32pae(v3_reg_t host_cr3, addr_t vaddr, addr_t * paddr) {
+ return v3_drill_host_pt_32pae(host_cr3, vaddr, translate_pt_32pae_cb, paddr);
+}
int v3_translate_guest_pt_32pae(struct guest_info * info, v3_reg_t guest_cr3, addr_t vaddr, addr_t * paddr) {
- addr_t guest_pdpe_pa = CR3_TO_PDPE32PAE_PA(guest_cr3);
- pdpe32pae_t * guest_pdpe = 0;
- addr_t guest_pde_pa = 0;
+ return v3_drill_guest_pt_32pae(info, guest_cr3, vaddr, translate_pt_32pae_cb, paddr);
+}
- if (guest_pa_to_host_va(info, guest_pdpe_pa, (addr_t*)&guest_pdpe) == -1) {
- PrintError("Could not get virtual address of Guest PDPE32PAE (PA=%p)\n",
- (void *)guest_pdpe_pa);
- return -1;
+
+int v3_translate_host_pt_64(v3_reg_t host_cr3, addr_t vaddr, addr_t * paddr) {
+ return v3_drill_host_pt_64(host_cr3, vaddr, translate_pt_64_cb, paddr);
+}
+int v3_translate_guest_pt_64(struct guest_info * info, v3_reg_t guest_cr3, addr_t vaddr, addr_t * paddr) {
+ return v3_drill_guest_pt_64(info, guest_cr3, vaddr, translate_pt_64_cb, paddr);
+}
+
+
+
+struct pt_find_data {
+ page_type_t type;
+ addr_t * pt_page_addr;
+};
+
+static int find_pt_cb(page_type_t type, addr_t vaddr, addr_t page_ptr, addr_t page_pa, void * private_data) {
+ struct pt_find_data * pt_data = (struct pt_find_data *)private_data;
+
+ if (type == pt_data->type) {
+ *(pt_data->pt_page_addr) = page_ptr;
+ return 1;
}
- switch (pdpe32pae_lookup(guest_pdpe, vaddr, &guest_pde_pa))
- {
- case PT_ENTRY_NOT_PRESENT:
- *paddr = 0;
- return -1;
- case PT_ENTRY_PAGE:
- {
- pde32pae_t * guest_pde = NULL;
- addr_t guest_pte_pa = 0;
-
- if (guest_pa_to_host_va(info, guest_pde_pa, (addr_t *)&guest_pde) == -1) {
- PrintError("Could not get virtual Address of Guest PDE32PAE (PA=%p)\n",
- (void *)guest_pde_pa);
- return -1;
- }
-
- switch (pde32pae_lookup(guest_pde, vaddr, &guest_pte_pa))
- {
- case PT_ENTRY_NOT_PRESENT:
- *paddr = 0;
- return -1;
- case PT_ENTRY_LARGE_PAGE:
- *paddr = guest_pte_pa;
- return 0;
- case PT_ENTRY_PAGE:
- {
- pte32pae_t * guest_pte = NULL;
-
- if (guest_pa_to_host_va(info, guest_pte_pa, (addr_t *)&guest_pte) == -1) {
- PrintError("Could not get virtual Address of Guest PTE32PAE (PA=%p)\n",
- (void *)guest_pte_pa);
- return -1;
- }
+ return 0;
+}
- if (pte32pae_lookup(guest_pte, vaddr, paddr) == PT_ENTRY_NOT_PRESENT) {
- return -1;
- }
- return 0;
- }
- }
- }
- default:
- return -1;
- }
+int v3_find_host_pt_32_page(v3_reg_t host_cr3, page_type_t type, addr_t vaddr, addr_t * page_addr) {
+ struct pt_find_data data;
- // should never get here
- return -1;
+ data.type = type;
+ data.pt_page_addr = page_addr;
+
+ return v3_drill_host_pt_32(host_cr3, vaddr, find_pt_cb, &data);
}
-int v3_translate_guest_pt_64(struct guest_info * info, v3_reg_t guest_cr3, addr_t vaddr, addr_t * paddr) {
- addr_t guest_pml4_pa = CR3_TO_PML4E64_PA(guest_cr3);
- pml4e64_t * guest_pmle = 0;
- addr_t guest_pdpe_pa = 0;
+int v3_find_host_pt_32pae_page(v3_reg_t host_cr3, page_type_t type, addr_t vaddr, addr_t * page_addr) {
+ struct pt_find_data data;
- if (guest_pa_to_host_va(info, guest_pml4_pa, (addr_t*)&guest_pmle) == -1) {
- PrintError("Could not get virtual address of Guest PML4E64 (PA=%p)\n",
- (void *)guest_pml4_pa);
- return -1;
- }
+ data.type = type;
+ data.pt_page_addr = page_addr;
- switch (pml4e64_lookup(guest_pmle, vaddr, &guest_pdpe_pa)) {
- case PT_ENTRY_NOT_PRESENT:
- *paddr = 0;
- return -1;
- case PT_ENTRY_PAGE:
- {
- pdpe64_t * guest_pdp = NULL;
- addr_t guest_pde_pa = 0;
+ return v3_drill_host_pt_32pae(host_cr3, vaddr, find_pt_cb, &data);
+}
- if (guest_pa_to_host_va(info, guest_pdpe_pa, (addr_t *)&guest_pdp) == -1) {
- PrintError("Could not get virtual address of Guest PDPE64 (PA=%p)\n",
- (void *)guest_pdpe_pa);
- return -1;
- }
+int v3_find_host_pt_64_page(v3_reg_t host_cr3, page_type_t type, addr_t vaddr, addr_t * page_addr) {
+ struct pt_find_data data;
- switch (pdpe64_lookup(guest_pdp, vaddr, &guest_pde_pa)) {
- case PT_ENTRY_NOT_PRESENT:
- *paddr = 0;
- return -1;
- case PT_ENTRY_LARGE_PAGE:
- *paddr = 0;
- PrintError("1 Gigabyte Pages not supported\n");
- return -1;
- case PT_ENTRY_PAGE:
- {
- pde64_t * guest_pde = NULL;
- addr_t guest_pte_pa = 0;
+ data.type = type;
+ data.pt_page_addr = page_addr;
+
+ return v3_drill_host_pt_64(host_cr3, vaddr, find_pt_cb, &data);
+}
+int v3_find_guest_pt_32_page(struct guest_info * info, v3_reg_t guest_cr3, page_type_t type, addr_t vaddr, addr_t * page_addr) {
+ struct pt_find_data data;
- if (guest_pa_to_host_va(info, guest_pde_pa, (addr_t *)&guest_pde) == -1) {
- PrintError("Could not get virtual address of guest PDE64 (PA=%p)\n",
- (void *)guest_pde_pa);
- return -1;
- }
+ data.type = type;
+ data.pt_page_addr = page_addr;
+
+ return v3_drill_guest_pt_32(info, guest_cr3, vaddr, find_pt_cb, &data);
+}
- switch (pde64_lookup(guest_pde, vaddr, &guest_pte_pa)) {
- case PT_ENTRY_NOT_PRESENT:
- *paddr = 0;
- return -1;
- case PT_ENTRY_LARGE_PAGE:
- *paddr = guest_pte_pa;
- return 0;
- case PT_ENTRY_PAGE:
- {
- pte64_t * guest_pte = NULL;
-
- if (guest_pa_to_host_va(info, guest_pte_pa, (addr_t *)&guest_pte) == -1) {
- PrintError("Could not get virtual address of guest PTE64 (PA=%p)\n",
- (void *)guest_pte_pa);
- return -1;
- }
-
- if (pte64_lookup(guest_pte, vaddr, paddr) == PT_ENTRY_NOT_PRESENT) {
- return -1;
- }
+int v3_find_guest_pt_32pae_page(struct guest_info * info, v3_reg_t guest_cr3, page_type_t type, addr_t vaddr, addr_t * page_addr) {
+ struct pt_find_data data;
- return 0;
- }
- }
- }
- }
- }
- default:
- return -1;
- }
+ data.type = type;
+ data.pt_page_addr = page_addr;
+
+ return v3_drill_guest_pt_32pae(info, guest_cr3, vaddr, find_pt_cb, &data);
+}
- // should never get here
- return -1;
+int v3_find_guest_pt_64_page(struct guest_info * info, v3_reg_t guest_cr3, page_type_t type, addr_t vaddr, addr_t * page_addr) {
+ struct pt_find_data data;
+
+ data.type = type;
+ data.pt_page_addr = page_addr;
+
+ return v3_drill_guest_pt_64(info, guest_cr3, vaddr, find_pt_cb, &data);
}
+/*
+ *
+ * Page Table Access Checks
+ *
+ */
-int v3_translate_host_pt_32(v3_reg_t host_cr3, addr_t vaddr, addr_t * paddr) {
- pde32_t * host_pde = (pde32_t *)CR3_TO_PDE32_VA(host_cr3);
- pte32_t * host_pte = 0;
-
- switch (pde32_lookup(host_pde, vaddr, (addr_t *)&host_pte)) {
- case PT_ENTRY_NOT_PRESENT:
- *paddr = 0;
- return -1;
- case PT_ENTRY_LARGE_PAGE:
- *paddr = (addr_t)host_pte;
- return 0;
- case PT_ENTRY_PAGE:
- if (pte32_lookup(V3_VAddr(host_pte), vaddr, paddr) == PT_ENTRY_NOT_PRESENT) {
- return -1;
- }
+
+struct pt_check_data {
+ pf_error_t access_type;
+ pt_access_status_t * access_status;
+};
+
+static int check_pt_32_cb(page_type_t type, addr_t vaddr, addr_t page_ptr, addr_t page_pa, void * private_data) {
+ struct pt_check_data * chk_data = (struct pt_check_data *)private_data;
+
+ switch (type) {
+ case PAGE_PD32:
+ *(chk_data->access_status) = v3_can_access_pde32((pde32_t *)page_ptr, vaddr, chk_data->access_type);
+ break;
+ case PAGE_PT32:
+ *(chk_data->access_status) = v3_can_access_pte32((pte32_t *)page_ptr, vaddr, chk_data->access_type);
+ break;
+ case PAGE_4MB:
+ case PAGE_4KB:
return 0;
+ default:
+ PrintError("Inavlid page type (%s) in check pt 32 callback\n", v3_page_type_to_str(type));
+ return -1;
}
-
- // should never get here
- return -1;
+
+ if (chk_data->access_status != PT_ACCESS_OK) {
+ return 1;
+ }
+
+ return 0;
}
-int v3_translate_host_pt_32pae(v3_reg_t host_cr3, addr_t vaddr, addr_t * paddr) {
- pdpe32pae_t * host_pdpe = (pdpe32pae_t *)CR3_TO_PDPE32PAE_VA(host_cr3);
- pde32pae_t * host_pde = NULL;
- pte32pae_t * host_pte = NULL;
+static int check_pt_32pae_cb(page_type_t type, addr_t vaddr, addr_t page_ptr, addr_t page_pa, void * private_data) {
+ struct pt_check_data * chk_data = (struct pt_check_data *)private_data;
- switch (pdpe32pae_lookup(host_pdpe, vaddr, (addr_t *)&host_pde)) {
- case PT_ENTRY_NOT_PRESENT:
- *paddr = 0;
- return -1;
- case PT_ENTRY_PAGE:
- switch (pde32pae_lookup(V3_VAddr(host_pde), vaddr, (addr_t *)&host_pte)) {
- case PT_ENTRY_NOT_PRESENT:
- *paddr = 0;
- return -1;
- case PT_ENTRY_LARGE_PAGE:
- *paddr = (addr_t)host_pte;
- return 0;
- case PT_ENTRY_PAGE:
- if (pte32pae_lookup(V3_VAddr(host_pte), vaddr, paddr) == PT_ENTRY_NOT_PRESENT) {
- return -1;
- }
- return 0;
- }
- default:
+ switch (type) {
+ case PAGE_PDP32PAE:
+ *(chk_data->access_status) = v3_can_access_pdpe32pae((pdpe32pae_t *)page_ptr, vaddr, chk_data->access_type);
+ break;
+ case PAGE_PD32PAE:
+ *(chk_data->access_status) = v3_can_access_pde32pae((pde32pae_t *)page_ptr, vaddr, chk_data->access_type);
+ break;
+ case PAGE_PT32PAE:
+ *(chk_data->access_status) = v3_can_access_pte32pae((pte32pae_t *)page_ptr, vaddr, chk_data->access_type);
+ break;
+ case PAGE_2MB:
+ case PAGE_4KB:
+ return 0;
+ default:
+ PrintError("Inavlid page type (%s) in check pt 32pae callback\n", v3_page_type_to_str(type));
return -1;
}
- // should never get here
- return -1;
+ if (chk_data->access_status != PT_ACCESS_OK) {
+ return 1;
+ }
+
+ return 0;
}
-int v3_translate_host_pt_64(v3_reg_t host_cr3, addr_t vaddr, addr_t * paddr) {
- pml4e64_t * host_pmle = (pml4e64_t *)CR3_TO_PML4E64_VA(host_cr3);
- pdpe64_t * host_pdpe = NULL;
- pde64_t * host_pde = NULL;
- pte64_t * host_pte = NULL;
+static int check_pt_64_cb(page_type_t type, addr_t vaddr, addr_t page_ptr, addr_t page_pa, void * private_data) {
+ struct pt_check_data * chk_data = (struct pt_check_data *)private_data;
- switch(pml4e64_lookup(host_pmle, vaddr, (addr_t *)&host_pdpe)) {
- case PT_ENTRY_NOT_PRESENT:
- *paddr = 0;
- return -1;
- case PT_ENTRY_PAGE:
- switch(pdpe64_lookup(V3_VAddr(host_pdpe), vaddr, (addr_t *)&host_pde)) {
- case PT_ENTRY_NOT_PRESENT:
- *paddr = 0;
- return -1;
- case PT_ENTRY_LARGE_PAGE:
- *paddr = 0;
- PrintError("1 Gigabyte Pages not supported\n");
- return -1;
- case PT_ENTRY_PAGE:
- switch (pde64_lookup(V3_VAddr(host_pde), vaddr, (addr_t *)&host_pte)) {
- case PT_ENTRY_NOT_PRESENT:
- *paddr = 0;
- return -1;
- case PT_ENTRY_LARGE_PAGE:
- *paddr = (addr_t)host_pte;
- return 0;
- case PT_ENTRY_PAGE:
- if (pte64_lookup(V3_VAddr(host_pte), vaddr, paddr) == PT_ENTRY_NOT_PRESENT) {
- return -1;
- }
- return 0;
- }
- }
- default:
+ switch (type) {
+ case PAGE_PML464:
+ *(chk_data->access_status) = v3_can_access_pml4e64((pml4e64_t *)page_ptr, vaddr, chk_data->access_type);
+ break;
+ case PAGE_PDP64:
+ *(chk_data->access_status) = v3_can_access_pdpe64((pdpe64_t *)page_ptr, vaddr, chk_data->access_type);
+ break;
+ case PAGE_PD64:
+ *(chk_data->access_status) = v3_can_access_pde64((pde64_t *)page_ptr, vaddr, chk_data->access_type);
+ break;
+ case PAGE_PT64:
+ *(chk_data->access_status) = v3_can_access_pte64((pte64_t *)page_ptr, vaddr, chk_data->access_type);
+ break;
+ case PAGE_1GB:
+ case PAGE_2MB:
+ case PAGE_4KB:
+ return 0;
+ default:
+ PrintError("Inavlid page type (%s) in check pt 64 callback\n", v3_page_type_to_str(type));
return -1;
}
- // should never get here
- return -1;
+ if (chk_data->access_status != PT_ACCESS_OK) {
+ return 1;
+ }
+
+ return 0;
+}
+
+
+
+int v3_check_host_pt_32(v3_reg_t host_cr3, addr_t vaddr, pf_error_t access_type, pt_access_status_t * access_status) {
+ struct pt_check_data access_data;
+
+ access_data.access_type = access_type;
+ access_data.access_status = access_status;
+
+ return v3_drill_host_pt_32(host_cr3, vaddr, check_pt_32_cb, &access_data);
+}
+
+int v3_check_host_pt_32pae(v3_reg_t host_cr3, addr_t vaddr, pf_error_t access_type, pt_access_status_t * access_status) {
+ struct pt_check_data access_data;
+
+ access_data.access_type = access_type;
+ access_data.access_status = access_status;
+
+ return v3_drill_host_pt_32pae(host_cr3, vaddr, check_pt_32pae_cb, &access_data);
+}
+
+
+
+int v3_check_host_pt_64(v3_reg_t host_cr3, addr_t vaddr, pf_error_t access_type, pt_access_status_t * access_status) {
+ struct pt_check_data access_data;
+
+ access_data.access_type = access_type;
+ access_data.access_status = access_status;
+
+ return v3_drill_host_pt_64(host_cr3, vaddr, check_pt_64_cb, &access_data);
+}
+
+
+
+int v3_check_guest_pt_32(struct guest_info * info, v3_reg_t guest_cr3, addr_t vaddr,
+ pf_error_t access_type, pt_access_status_t * access_status) {
+ struct pt_check_data access_data;
+
+ access_data.access_type = access_type;
+ access_data.access_status = access_status;
+
+ return v3_drill_guest_pt_32(info, guest_cr3, vaddr, check_pt_32_cb, &access_data);
+}
+
+
+
+
+
+int v3_check_guest_pt_32pae(struct guest_info * info, v3_reg_t guest_cr3, addr_t vaddr,
+ pf_error_t access_type, pt_access_status_t * access_status) {
+ struct pt_check_data access_data;
+
+ access_data.access_type = access_type;
+ access_data.access_status = access_status;
+
+ return v3_drill_guest_pt_32pae(info, guest_cr3, vaddr, check_pt_32pae_cb, &access_data);
}
+int v3_check_guest_pt_64(struct guest_info * info, v3_reg_t guest_cr3, addr_t vaddr,
+ pf_error_t access_type, pt_access_status_t * access_status) {
+ struct pt_check_data access_data;
+
+ access_data.access_type = access_type;
+ access_data.access_status = access_status;
+
+ return v3_drill_guest_pt_64(info, guest_cr3, vaddr, check_pt_64_cb, &access_data);
+}
+
/*
*
**/
-pt_entry_type_t pde32_lookup(pde32_t * pd, addr_t addr, addr_t * entry) {
+static pt_entry_type_t pde32_lookup(pde32_t * pd, addr_t addr, addr_t * entry) {
pde32_t * pde_entry = &(pd[PDE32_INDEX(addr)]);
if (!pde_entry->present) {
pde32_4MB_t * large_pde = (pde32_4MB_t *)pde_entry;
*entry = BASE_TO_PAGE_ADDR_4MB(large_pde->page_base_addr);
- *entry += PAGE_OFFSET_4MB(addr);
return PT_ENTRY_LARGE_PAGE;
} else {
/* Takes a virtual addr (addr) and returns the physical addr (entry) as defined in the page table
*/
-pt_entry_type_t pte32_lookup(pte32_t * pt, addr_t addr, addr_t * entry) {
+static pt_entry_type_t pte32_lookup(pte32_t * pt, addr_t addr, addr_t * entry) {
pte32_t * pte_entry = &(pt[PTE32_INDEX(addr)]);
if (!pte_entry->present) {
// PrintDebug("Lookup at non present page (index=%d)\n", PTE32_INDEX(addr));
return PT_ENTRY_NOT_PRESENT;
} else {
- *entry = BASE_TO_PAGE_ADDR(pte_entry->page_base_addr) + PAGE_OFFSET(addr);
+ *entry = BASE_TO_PAGE_ADDR(pte_entry->page_base_addr);
+
return PT_ENTRY_PAGE;
}
* 32 bit PAE Page Table lookup functions
*
**/
-pt_entry_type_t pdpe32pae_lookup(pdpe32pae_t * pdp, addr_t addr, addr_t * entry) {
+static pt_entry_type_t pdpe32pae_lookup(pdpe32pae_t * pdp, addr_t addr, addr_t * entry) {
pdpe32pae_t * pdpe_entry = &(pdp[PDPE32PAE_INDEX(addr)]);
if (!pdpe_entry->present) {
}
}
-pt_entry_type_t pde32pae_lookup(pde32pae_t * pd, addr_t addr, addr_t * entry) {
+static pt_entry_type_t pde32pae_lookup(pde32pae_t * pd, addr_t addr, addr_t * entry) {
pde32pae_t * pde_entry = &(pd[PDE32PAE_INDEX(addr)]);
if (!pde_entry->present) {
pde32pae_2MB_t * large_pde = (pde32pae_2MB_t *)pde_entry;
*entry = BASE_TO_PAGE_ADDR_2MB(large_pde->page_base_addr);
- *entry += PAGE_OFFSET_2MB(addr);
return PT_ENTRY_LARGE_PAGE;
} else {
}
}
-pt_entry_type_t pte32pae_lookup(pte32pae_t * pt, addr_t addr, addr_t * entry) {
+static pt_entry_type_t pte32pae_lookup(pte32pae_t * pt, addr_t addr, addr_t * entry) {
pte32pae_t * pte_entry = &(pt[PTE32PAE_INDEX(addr)]);
if (!pte_entry->present) {
*entry = 0;
return PT_ENTRY_NOT_PRESENT;
} else {
- *entry = BASE_TO_PAGE_ADDR(pte_entry->page_base_addr) + PAGE_OFFSET(addr);
+ *entry = BASE_TO_PAGE_ADDR(pte_entry->page_base_addr);
return PT_ENTRY_PAGE;
}
}
* 64 bit Page Table lookup functions
*
**/
-pt_entry_type_t pml4e64_lookup(pml4e64_t * pml, addr_t addr, addr_t * entry) {
+static pt_entry_type_t pml4e64_lookup(pml4e64_t * pml, addr_t addr, addr_t * entry) {
pml4e64_t * pml_entry = &(pml[PML4E64_INDEX(addr)]);
if (!pml_entry->present) {
}
}
-pt_entry_type_t pdpe64_lookup(pdpe64_t * pdp, addr_t addr, addr_t * entry) {
+static pt_entry_type_t pdpe64_lookup(pdpe64_t * pdp, addr_t addr, addr_t * entry) {
pdpe64_t * pdpe_entry = &(pdp[PDPE64_INDEX(addr)]);
if (!pdpe_entry->present) {
}
}
-pt_entry_type_t pde64_lookup(pde64_t * pd, addr_t addr, addr_t * entry) {
+static pt_entry_type_t pde64_lookup(pde64_t * pd, addr_t addr, addr_t * entry) {
pde64_t * pde_entry = &(pd[PDE64_INDEX(addr)]);
if (!pde_entry->present) {
pde64_2MB_t * large_pde = (pde64_2MB_t *)pde_entry;
*entry = BASE_TO_PAGE_ADDR_2MB(large_pde->page_base_addr);
- *entry += PAGE_OFFSET_2MB(addr);
return PT_ENTRY_LARGE_PAGE;
} else {
}
}
-pt_entry_type_t pte64_lookup(pte64_t * pt, addr_t addr, addr_t * entry) {
+static pt_entry_type_t pte64_lookup(pte64_t * pt, addr_t addr, addr_t * entry) {
pte64_t * pte_entry = &(pt[PTE64_INDEX(addr)]);
if (!pte_entry->present) {
*entry = 0;
return PT_ENTRY_NOT_PRESENT;
} else {
- *entry = BASE_TO_PAGE_ADDR(pte_entry->page_base_addr) + PAGE_OFFSET(addr);
+ *entry = BASE_TO_PAGE_ADDR(pte_entry->page_base_addr);
return PT_ENTRY_PAGE;
}
}
-
-
-
-
-/*
- *
- * Page Table Access Checks
- *
- */
-
-
-
-
-
-
-int v3_check_host_pt_32(v3_reg_t host_cr3, addr_t vaddr, pf_error_t access_type, pt_access_status_t * access_status) {
- pde32_t * host_pde = (pde32_t *)CR3_TO_PDE32_VA(host_cr3);
- pte32_t * host_pte = 0;
-
- int pt_level = 2;
-
- // Check accessibility of PDE
- *access_status = v3_can_access_pde32(host_pde, vaddr, access_type);
-
- if (*access_status != PT_ACCESS_OK) {
- return pt_level;
- }
-
- pt_level--;
-
- switch (pde32_lookup(host_pde, vaddr, (addr_t *)&host_pte)) {
- case PT_ENTRY_LARGE_PAGE:
- return 0;
- case PT_ENTRY_PAGE:
- *access_status = v3_can_access_pte32(V3_VAddr(host_pte), vaddr, access_type);
-
- if (*access_status != PT_ACCESS_OK) {
- return pt_level;
- }
-
- return 0;
- default:
- return -1;
- }
-
- // should never get here
- return -1;
-}
-
-int v3_check_host_pt_32pae(v3_reg_t host_cr3, addr_t vaddr, pf_error_t access_type, pt_access_status_t * access_status) {
- pdpe32pae_t * host_pdpe = (pdpe32pae_t *)CR3_TO_PDPE32PAE_VA(host_cr3);
- pde32pae_t * host_pde = NULL;
- pte32pae_t * host_pte = NULL;
- int pt_level = 3;
-
- *access_status = v3_can_access_pdpe32pae(host_pdpe, vaddr, access_type);
-
- if (*access_status != PT_ACCESS_OK) {
- return pt_level;
- }
-
- pt_level--;
-
- switch (pdpe32pae_lookup(host_pdpe, vaddr, (addr_t *)&host_pde)) {
- case PT_ENTRY_PAGE:
- *access_status = v3_can_access_pde32pae(V3_VAddr(host_pde), vaddr, access_type);
-
- if (*access_status != PT_ACCESS_OK) {
- return pt_level;
- }
-
- pt_level--;
-
- switch (pde32pae_lookup(V3_VAddr(host_pde), vaddr, (addr_t *)&host_pte)) {
- case PT_ENTRY_LARGE_PAGE:
- return 0;
- case PT_ENTRY_PAGE:
- *access_status = v3_can_access_pte32pae(V3_VAddr(host_pte), vaddr, access_type);
-
- if (*access_status != PT_ACCESS_OK) {
- return pt_level;
- }
-
- return 0;
- default:
- return -1;
- }
- default:
- return -1;
- }
-
- // should never get here
- return -1;
-}
-
-
-
-int v3_check_host_pt_64(v3_reg_t host_cr3, addr_t vaddr, pf_error_t access_type, pt_access_status_t * access_status) {
- pml4e64_t * host_pmle = (pml4e64_t *)CR3_TO_PML4E64_VA(host_cr3);
- pdpe64_t * host_pdpe = NULL;
- pde64_t * host_pde = NULL;
- pte64_t * host_pte = NULL;
- int pt_level = 4;
-
-
- *access_status = v3_can_access_pml4e64(host_pmle, vaddr, access_type);
-
- if (*access_status != PT_ACCESS_OK) {
- return pt_level;
- }
-
- pt_level--;
-
- switch(pml4e64_lookup(host_pmle, vaddr, (addr_t *)&host_pdpe)) {
- case PT_ENTRY_PAGE:
- *access_status = v3_can_access_pdpe64(V3_VAddr(host_pdpe), vaddr, access_type);
-
- if (*access_status != PT_ACCESS_OK) {
- return pt_level;
- }
-
- pt_level--;
-
- switch(pdpe64_lookup(V3_VAddr(host_pdpe), vaddr, (addr_t *)&host_pde)) {
- case PT_ENTRY_LARGE_PAGE:
- return 0;
- case PT_ENTRY_PAGE:
- *access_status = v3_can_access_pde64(V3_VAddr(host_pde), vaddr, access_type);
-
- if (*access_status != PT_ACCESS_OK) {
- return pt_level;
- }
-
- pt_level--;
-
- switch (pde64_lookup(V3_VAddr(host_pde), vaddr, (addr_t *)&host_pte)) {
- case PT_ENTRY_LARGE_PAGE:
- return 0;
- case PT_ENTRY_PAGE:
- *access_status = v3_can_access_pte64(V3_VAddr(host_pte), vaddr, access_type);
-
- if (*access_status != PT_ACCESS_OK) {
- return pt_level;
- }
-
- return 0;
- default:
- return -1;
- }
- default:
- return -1;
- }
- default:
- return -1;
- }
-
- // should never get here
- return -1;
-}
-
-
-
-
-
-int v3_check_guest_pt_32(struct guest_info * info, v3_reg_t guest_cr3, addr_t vaddr,
- pf_error_t access_type, pt_access_status_t * access_status) {
- addr_t guest_pde_pa = CR3_TO_PDE32_PA(guest_cr3);
- pde32_t * guest_pde = NULL;
- addr_t guest_pte_pa = 0;
- int pt_level = 2;
-
- if (guest_pa_to_host_va(info, guest_pde_pa, (addr_t*)&guest_pde) == -1) {
- PrintError("Could not get virtual address of Guest PDE32 (PA=%p)\n",
- (void *)guest_pde_pa);
- return -1;
- }
-
-
- // Check accessibility of PDE
- *access_status = v3_can_access_pde32(guest_pde, vaddr, access_type);
-
- if (*access_status != PT_ACCESS_OK) {
- return pt_level;
- }
-
- pt_level--;
-
- switch (pde32_lookup(guest_pde, vaddr, &guest_pte_pa)) {
- case PT_ENTRY_LARGE_PAGE:
- return 0;
- case PT_ENTRY_PAGE:
- {
- pte32_t * guest_pte = NULL;
-
- if (guest_pa_to_host_va(info, guest_pte_pa, (addr_t*)&guest_pte) == -1) {
- PrintError("Could not get virtual address of Guest PTE32 (PA=%p)\n",
- (void *)guest_pte_pa);
- return -1;
- }
-
- *access_status = v3_can_access_pte32(guest_pte, vaddr, access_type);
-
- if (*access_status != PT_ACCESS_OK) {
- return pt_level;
- }
- return 0;
- }
- default:
- return -1;
- }
-
- // should never get here
- return -1;
-}
-
-
-
-
-
-int v3_check_guest_pt_32pae(struct guest_info * info, v3_reg_t guest_cr3, addr_t vaddr,
- pf_error_t access_type, pt_access_status_t * access_status) {
- addr_t guest_pdpe_pa = CR3_TO_PDPE32PAE_PA(guest_cr3);
- pdpe32pae_t * guest_pdpe = NULL;
- addr_t guest_pde_pa = 0;
- int pt_level = 3;
-
- if (guest_pa_to_host_va(info, guest_pdpe_pa, (addr_t*)&guest_pdpe) == -1) {
- PrintError("Could not get virtual address of Guest PDPE32PAE (PA=%p)\n",
- (void *)guest_pdpe_pa);
- return -1;
- }
-
- *access_status = v3_can_access_pdpe32pae(guest_pdpe, vaddr, access_type);
-
- if (*access_status != PT_ACCESS_OK) {
- return pt_level;
- }
-
- pt_level--;
-
- switch (pdpe32pae_lookup(guest_pdpe, vaddr, &guest_pde_pa)) {
- case PT_ENTRY_PAGE:
- {
- pde32pae_t * guest_pde = NULL;
- addr_t guest_pte_pa = 0;
-
- if (guest_pa_to_host_va(info, guest_pde_pa, (addr_t *)&guest_pde) == -1) {
- PrintError("Could not get virtual Address of Guest PDE32PAE (PA=%p)\n",
- (void *)guest_pde_pa);
- return -1;
- }
-
- *access_status = v3_can_access_pde32pae(guest_pde, vaddr, access_type);
-
- if (*access_status != PT_ACCESS_OK) {
- return pt_level;
- }
-
- pt_level--;
-
- switch (pde32pae_lookup(guest_pde, vaddr, &guest_pte_pa)) {
- case PT_ENTRY_LARGE_PAGE:
- return 0;
- case PT_ENTRY_PAGE:
- {
- pte32pae_t * guest_pte = NULL;
-
- if (guest_pa_to_host_va(info, guest_pte_pa, (addr_t *)&guest_pte) == -1) {
- PrintError("Could not get virtual Address of Guest PTE32PAE (PA=%p)\n",
- (void *)guest_pte_pa);
- return -1;
- }
-
- *access_status = v3_can_access_pte32pae(guest_pte, vaddr, access_type);
-
- if (*access_status != PT_ACCESS_OK) {
- return pt_level;
- }
-
- return 0;
- }
- default:
- return -1;
- }
- }
- default:
- return -1;
- }
-
- // should never get here
- return -1;
-}
-
-
- pte64_t * guest_pte = NULL;
-
-int v3_check_guest_pt_64(struct guest_info * info, v3_reg_t guest_cr3, addr_t vaddr,
- pf_error_t access_type, pt_access_status_t * access_status) {
- addr_t guest_pml4_pa = CR3_TO_PML4E64_PA(guest_cr3);
- pml4e64_t * guest_pmle = NULL;
- addr_t guest_pdpe_pa = 0;
- int pt_level = 4;
-
- if (guest_pa_to_host_va(info, guest_pml4_pa, (addr_t*)&guest_pmle) == -1) {
- PrintError("Could not get virtual address of Guest PML4E64 (PA=%p)\n",
- (void *)guest_pml4_pa);
- return -1;
- }
-
- *access_status = v3_can_access_pml4e64(guest_pmle, vaddr, access_type);
-
- if (*access_status != PT_ACCESS_OK) {
- return pt_level;
- }
-
- pt_level--;
-
- switch(pml4e64_lookup(guest_pmle, vaddr, &guest_pdpe_pa)) {
- case PT_ENTRY_PAGE:
- {
- pdpe64_t * guest_pdp = NULL;
- addr_t guest_pde_pa = 0;
-
- if (guest_pa_to_host_va(info, guest_pdpe_pa, (addr_t *)&guest_pdp) == -1) {
- PrintError("Could not get virtual address of Guest PDPE64 (PA=%p)\n",
- (void *)guest_pdpe_pa);
- return -1;
- }
-
- *access_status = v3_can_access_pdpe64(guest_pdp, vaddr, access_type);
-
- if (*access_status != PT_ACCESS_OK) {
- return pt_level;
- }
-
- pt_level--;
-
- switch(pdpe64_lookup(guest_pdp, vaddr, &guest_pde_pa)) {
- case PT_ENTRY_LARGE_PAGE:
- return 0;
- case PT_ENTRY_PAGE:
- {
- pde64_t * guest_pde = NULL;
- addr_t guest_pte_pa = 0;
-
- if (guest_pa_to_host_va(info, guest_pde_pa, (addr_t *)&guest_pde) == -1) {
- PrintError("Could not get virtual address of guest PDE64 (PA=%p)\n",
- (void *)guest_pde_pa);
- return -1;
- }
-
- *access_status = v3_can_access_pde64(guest_pde, vaddr, access_type);
-
- if (*access_status != PT_ACCESS_OK) {
- return pt_level;
- }
-
- pt_level--;
-
- switch (pde64_lookup(guest_pde, vaddr, &guest_pte_pa)) {
- case PT_ENTRY_LARGE_PAGE:
- return 0;
- case PT_ENTRY_PAGE:
- {
- pte64_t * guest_pte = NULL;
-
- if (guest_pa_to_host_va(info, guest_pte_pa, (addr_t *)&guest_pte) == -1) {
- PrintError("Could not get virtual address of guest PTE64 (PA=%p)\n",
- (void *)guest_pte_pa);
- return -1;
- }
-
- *access_status = v3_can_access_pte64(guest_pte, vaddr, access_type);
-
- if (*access_status != PT_ACCESS_OK) {
- return pt_level;
- }
-
- return 0;
- }
- default:
- return -1;
- }
- }
- default:
- return -1;
- }
- }
- default:
- return -1;
- }
-
- // should never get here
- return -1;
-}
-
-
-
-
-
static pt_access_status_t can_access_pt_entry(gen_pt_t * pt, pf_error_t access_type) {
if (pt->present == 0) {
return PT_ACCESS_NOT_PRESENT;
}
+int v3_drill_host_pt_32(v3_reg_t host_cr3, addr_t vaddr,
+ int (*callback)(page_type_t type, addr_t vaddr, addr_t page_ptr, addr_t page_pa, void * private_data),
+ void * private_data) {
+ pde32_t * host_pde = (pde32_t *)CR3_TO_PDE32_VA(host_cr3);
+ addr_t host_pde_pa = CR3_TO_PDE32_PA(host_cr3);
+ addr_t host_pte_pa = 0;
+ addr_t page_pa = 0;
+ int ret;
+
+ if ((ret = callback(PAGE_PD32, vaddr, (addr_t)host_pde, host_pde_pa, private_data)) != 0) {
+ return (ret == -1) ? -1 : PAGE_PD32;
+ }
+
+ switch (pde32_lookup(host_pde, vaddr, &host_pte_pa)) {
+ case PT_ENTRY_NOT_PRESENT:
+ return -1;
+ case PT_ENTRY_LARGE_PAGE:
+ if ((ret == callback(PAGE_4MB, vaddr, (addr_t)V3_VAddr((void *)host_pte_pa), host_pte_pa, private_data)) != 0) {
+ return (ret == -1) ? -1 : PAGE_4MB;
+ }
+ return 0;
+ case PT_ENTRY_PAGE:
+ if ((ret = callback(PAGE_PT32, vaddr, (addr_t)V3_VAddr((void *)host_pte_pa), host_pte_pa, private_data) != 0)) {
+ return (ret == -1) ? -1 : PAGE_PT32;
+ }
+
+ if (pte32_lookup(V3_VAddr((void *)host_pte_pa), vaddr, &page_pa) == PT_ENTRY_NOT_PRESENT) {
+ return -1;
+ } else {
+ if ((ret = callback(PAGE_4KB, vaddr, (addr_t)V3_VAddr((void *)PAGE_BASE_ADDR(page_pa)), page_pa, private_data)) != 0) {
+ return (ret == -1) ? -1 : PAGE_4KB;
+ }
+ return 0;
+ }
+ }
+ return -1;
+}
+
+
+
+int v3_drill_host_pt_32pae(v3_reg_t host_cr3, addr_t vaddr,
+ int (*callback)(page_type_t type, addr_t vaddr, addr_t page_ptr, addr_t page_pa, void * private_data),
+ void * private_data) {
+ pdpe32pae_t * host_pdpe = (pdpe32pae_t *)CR3_TO_PDPE32PAE_VA(host_cr3);
+ addr_t host_pdpe_pa = CR3_TO_PDPE32PAE_PA(host_cr3);
+ addr_t host_pde_pa = 0;
+ addr_t host_pte_pa = 0;
+ addr_t page_pa = 0;
+ int ret;
+
+ if ((ret = callback(PAGE_PDP32PAE, vaddr, (addr_t)host_pdpe, host_pdpe_pa, private_data)) != 0) {
+ return (ret == -1) ? -1 : PAGE_PDP32PAE;
+ }
+
+ switch (pdpe32pae_lookup(host_pdpe, vaddr, &host_pde_pa)) {
+ case PT_ENTRY_NOT_PRESENT:
+ return -1;
+ case PT_ENTRY_PAGE:
+
+ if ((ret = callback(PAGE_PD32PAE, vaddr, (addr_t)V3_VAddr((void *)host_pde_pa), host_pde_pa, private_data) != 0)) {
+ return (ret == -1) ? -1 : PAGE_PD32PAE;
+ }
+
+ switch (pde32pae_lookup(V3_VAddr((void *)host_pde_pa), vaddr, &host_pte_pa)) {
+ case PT_ENTRY_NOT_PRESENT:
+ return -1;
+ case PT_ENTRY_LARGE_PAGE:
+ if ((ret == callback(PAGE_2MB, vaddr, (addr_t)V3_VAddr((void *)host_pte_pa), host_pte_pa, private_data)) != 0) {
+ return (ret == -1) ? -1 : PAGE_2MB;
+ }
+ return 0;
+ case PT_ENTRY_PAGE:
+ if ((ret = callback(PAGE_PT32PAE, vaddr, (addr_t)V3_VAddr((void *)host_pte_pa), host_pte_pa, private_data) != 0)) {
+ return (ret == -1) ? -1 : PAGE_PT32PAE;
+ }
+
+ if (pte32pae_lookup(V3_VAddr((void *)host_pte_pa), vaddr, &page_pa) == PT_ENTRY_NOT_PRESENT) {
+ return -1;
+ } else {
+ if ((ret = callback(PAGE_4KB, vaddr, (addr_t)V3_VAddr((void *)PAGE_BASE_ADDR(page_pa)), page_pa, private_data)) != 0) {
+ return (ret == -1) ? -1 : PAGE_4KB;
+ }
+ return 0;
+ }
+ }
+ default:
+ return -1;
+ }
+
+ // should never get here
+ return -1;
+}
+
+
+int v3_drill_host_pt_64(v3_reg_t host_cr3, addr_t vaddr,
+ int (*callback)(page_type_t type, addr_t vaddr, addr_t page_ptr, addr_t page_pa, void * private_data),
+ void * private_data) {
+ pml4e64_t * host_pmle = (pml4e64_t *)CR3_TO_PML4E64_VA(host_cr3);
+ addr_t host_pmle_pa = CR3_TO_PML4E64_PA(host_cr3);
+ addr_t host_pdpe_pa = 0;
+ addr_t host_pde_pa = 0;
+ addr_t host_pte_pa = 0;
+ addr_t page_pa = 0;
+ int ret;
+
+ if ((ret = callback(PAGE_PML464, vaddr, (addr_t)host_pmle, host_pmle_pa, private_data)) != 0) {
+ return (ret == -1) ? -1 : PAGE_PML464;
+ }
+
+ switch(pml4e64_lookup(host_pmle, vaddr, &host_pdpe_pa)) {
+ case PT_ENTRY_NOT_PRESENT:
+ return -1;
+ case PT_ENTRY_PAGE:
+
+ if ((ret = callback(PAGE_PDP64, vaddr, (addr_t)V3_VAddr((void *)host_pdpe_pa), host_pdpe_pa, private_data)) != 0) {
+ return (ret == -1) ? -1 : PAGE_PDP64;
+ }
+
+ switch(pdpe64_lookup(V3_VAddr((void *)host_pdpe_pa), vaddr, &host_pde_pa)) {
+ case PT_ENTRY_NOT_PRESENT:
+ return -1;
+ case PT_ENTRY_LARGE_PAGE:
+ if ((ret == callback(PAGE_1GB, vaddr, (addr_t)V3_VAddr((void *)host_pde_pa), host_pde_pa, private_data)) != 0) {
+ return (ret == -1) ? -1 : PAGE_1GB;
+ }
+ PrintError("1 Gigabyte Pages not supported\n");
+ return 0;
+ case PT_ENTRY_PAGE:
+
+ if ((ret = callback(PAGE_PD64, vaddr, (addr_t)V3_VAddr((void *)host_pde_pa), host_pde_pa, private_data) != 0)) {
+ return (ret == -1) ? -1 : PAGE_PD64;
+ }
+
+ switch (pde64_lookup(V3_VAddr((void *)host_pde_pa), vaddr, &host_pte_pa)) {
+ case PT_ENTRY_NOT_PRESENT:
+ return -1;
+ case PT_ENTRY_LARGE_PAGE:
+ if ((ret == callback(PAGE_2MB, vaddr, (addr_t)V3_VAddr((void *)host_pte_pa), host_pte_pa, private_data)) != 0) {
+ return (ret == -1) ? -1 : PAGE_2MB;
+ }
+ return 0;
+ case PT_ENTRY_PAGE:
+
+ if ((ret = callback(PAGE_PT64, vaddr, (addr_t)V3_VAddr((void *)host_pte_pa), host_pte_pa, private_data) != 0)) {
+ return (ret == -1) ? -1 : PAGE_PT64;
+ }
+
+ if (pte64_lookup(V3_VAddr((void *)host_pte_pa), vaddr, &page_pa) == PT_ENTRY_NOT_PRESENT) {
+ return -1;
+ } else {
+ if ((ret = callback(PAGE_4KB, vaddr, (addr_t)V3_VAddr((void *)PAGE_BASE_ADDR(page_pa)), page_pa, private_data)) != 0) {
+ return (ret == -1) ? -1 : PAGE_4KB;
+ }
+ return 0;
+ }
+ }
+ }
+ default:
+ return -1;
+ }
+ // should never get here
+ return -1;
+}
+
+
+
+
+
+
+
+int v3_drill_guest_pt_32(struct guest_info * info, v3_reg_t guest_cr3, addr_t vaddr,
+ int (*callback)(page_type_t type, addr_t vaddr, addr_t page_ptr, addr_t page_pa, void * private_data),
+ void * private_data) {
+ addr_t guest_pde_pa = CR3_TO_PDE32_PA(guest_cr3);
+ pde32_t * guest_pde = NULL;
+ addr_t guest_pte_pa = 0;
+ int ret;
+
+
+ if (guest_pa_to_host_va(info, guest_pde_pa, (addr_t*)&guest_pde) == -1) {
+ PrintError("Could not get virtual address of Guest PDE32 (PA=%p)\n",
+ (void *)guest_pde_pa);
+ return -1;
+ }
+
+ if ((ret = callback(PAGE_PD32, vaddr, (addr_t)guest_pde, guest_pde_pa, private_data)) != 0) {
+ return (ret == -1) ? -1 : PAGE_PD32;
+ }
+
+ switch (pde32_lookup(guest_pde, vaddr, &guest_pte_pa)) {
+ case PT_ENTRY_NOT_PRESENT:
+ return -1;
+ case PT_ENTRY_LARGE_PAGE:
+ {
+ addr_t large_page_pa = (addr_t)guest_pte_pa;
+ addr_t large_page_va = 0;
+
+ if (guest_pa_to_host_va(info, large_page_pa, &large_page_va) == -1) {
+ PrintError("Could not get virtual address of Guest Page 4MB (PA=%p)\n",
+ (void *)large_page_va);
+ return -1;
+ }
+
+
+ if ((ret == callback(PAGE_4MB, vaddr, large_page_va, large_page_pa, private_data)) != 0) {
+ return (ret == -1) ? -1 : PAGE_4MB;
+ }
+ return 0;
+ }
+ case PT_ENTRY_PAGE:
+ {
+ pte32_t * guest_pte = NULL;
+ addr_t page_pa;
+
+ if (guest_pa_to_host_va(info, guest_pte_pa, (addr_t*)&guest_pte) == -1) {
+ PrintError("Could not get virtual address of Guest PTE32 (PA=%p)\n",
+ (void *)guest_pte_pa);
+ return -1;
+ }
+
+ if ((ret = callback(PAGE_PT32, vaddr, (addr_t)guest_pte, guest_pte_pa, private_data) != 0)) {
+ return (ret == -1) ? -1 : PAGE_PT32;
+ }
+
+ if (pte32_lookup(guest_pte, vaddr, &page_pa) == PT_ENTRY_NOT_PRESENT) {
+ return -1;
+ } else {
+ addr_t page_va;
+
+ if (guest_pa_to_host_va(info, page_pa, &page_va) == -1) {
+ PrintError("Could not get virtual address of Guest Page 4KB (PA=%p)\n",
+ (void *)page_pa);
+ return -1;
+ }
+
+ if ((ret = callback(PAGE_4KB, vaddr, page_va, page_pa, private_data)) != 0) {
+ return (ret == -1) ? -1 : PAGE_4KB;
+ }
+ return 0;
+ }
+ }
+ }
+
+ // should never get here
+ PrintError("End of drill function (guest 32)... Should never have gotten here...\n");
+ return -1;
+}
+
+
+
+int v3_drill_guest_pt_32pae(struct guest_info * info, v3_reg_t guest_cr3, addr_t vaddr,
+ int (*callback)(page_type_t type, addr_t vaddr, addr_t page_ptr, addr_t page_pa, void * private_data),
+ void * private_data) {
+ addr_t guest_pdpe_pa = CR3_TO_PDPE32PAE_PA(guest_cr3);
+ pdpe32pae_t * guest_pdpe = 0;
+ addr_t guest_pde_pa = 0;
+ int ret = 0;
+
+ if (guest_pa_to_host_va(info, guest_pdpe_pa, (addr_t*)&guest_pdpe) == -1) {
+ PrintError("Could not get virtual address of Guest PDPE32PAE (PA=%p)\n",
+ (void *)guest_pdpe_pa);
+ return -1;
+ }
+
+ if ((ret = callback(PAGE_PDP32PAE, vaddr, (addr_t)guest_pdpe, guest_pdpe_pa, private_data)) != 0) {
+ return (ret == -1) ? -1 : PAGE_PDP32PAE;
+ }
+
+ switch (pdpe32pae_lookup(guest_pdpe, vaddr, &guest_pde_pa))
+ {
+ case PT_ENTRY_NOT_PRESENT:
+ return -1;
+ case PT_ENTRY_PAGE:
+ {
+ pde32pae_t * guest_pde = NULL;
+ addr_t guest_pte_pa = 0;
+
+ if (guest_pa_to_host_va(info, guest_pde_pa, (addr_t *)&guest_pde) == -1) {
+ PrintError("Could not get virtual Address of Guest PDE32PAE (PA=%p)\n",
+ (void *)guest_pde_pa);
+ return -1;
+ }
+
+ if ((ret = callback(PAGE_PD32PAE, vaddr, (addr_t)guest_pde, guest_pde_pa, private_data)) != 0) {
+ return (ret == -1) ? -1 : PAGE_PD32PAE;
+ }
+
+ switch (pde32pae_lookup(guest_pde, vaddr, &guest_pte_pa))
+ {
+ case PT_ENTRY_NOT_PRESENT:
+ return -1;
+ case PT_ENTRY_LARGE_PAGE:
+ {
+ addr_t large_page_pa = (addr_t)guest_pte_pa;
+ addr_t large_page_va = 0;
+
+ if (guest_pa_to_host_va(info, large_page_pa, &large_page_va) == -1) {
+ PrintDebug("Could not get virtual address of Guest Page 2MB (PA=%p)\n",
+ (void *)large_page_va);
+
+ }
+
+ if ((ret == callback(PAGE_2MB, vaddr, large_page_va, large_page_pa, private_data)) != 0) {
+ return (ret == -1) ? -1 : PAGE_2MB;
+ }
+ return 0;
+ }
+ case PT_ENTRY_PAGE:
+ {
+ pte32pae_t * guest_pte = NULL;
+ addr_t page_pa;
+
+ if (guest_pa_to_host_va(info, guest_pte_pa, (addr_t *)&guest_pte) == -1) {
+ PrintError("Could not get virtual Address of Guest PTE32PAE (PA=%p)\n",
+ (void *)guest_pte_pa);
+ return -1;
+ }
+
+ if ((ret = callback(PAGE_PT32PAE, vaddr, (addr_t)guest_pte, guest_pte_pa, private_data) != 0)) {
+ return (ret == -1) ? -1 : PAGE_PT32PAE;
+ }
+
+ if (pte32pae_lookup(guest_pte, vaddr, &page_pa) == PT_ENTRY_NOT_PRESENT) {
+ return -1;
+ } else {
+ addr_t page_va;
+
+ if (guest_pa_to_host_va(info, page_pa, &page_va) == -1) {
+ PrintError("Could not get virtual address of Guest Page 4KB (PA=%p)\n",
+ (void *)page_pa);
+ return -1;
+ }
+
+ if ((ret = callback(PAGE_4KB, vaddr, page_va, page_pa, private_data)) != 0) {
+ return (ret == -1) ? -1 : PAGE_4KB;
+ }
+ return 0;
+ }
+ }
+ }
+ }
+ default:
+ PrintError("Invalid page type for PD32PAE\n");
+ return -1;
+ }
+
+ // should never get here
+ PrintError("End of drill function (guest 32pae)... Should never have gotten here...\n");
+ return -1;
+}
+
+int v3_drill_guest_pt_64(struct guest_info * info, v3_reg_t guest_cr3, addr_t vaddr,
+ int (*callback)(page_type_t type, addr_t vaddr, addr_t page_ptr, addr_t page_pa, void * private_data),
+ void * private_data) {
+ addr_t guest_pml4_pa = CR3_TO_PML4E64_PA(guest_cr3);
+ pml4e64_t * guest_pmle = 0;
+ addr_t guest_pdpe_pa = 0;
+ int ret = 0;
+
+ if (guest_pa_to_host_va(info, guest_pml4_pa, (addr_t*)&guest_pmle) == -1) {
+ PrintError("Could not get virtual address of Guest PML4E64 (PA=%p)\n",
+ (void *)guest_pml4_pa);
+ return -1;
+ }
+
+ if ((ret = callback(PAGE_PML464, vaddr, (addr_t)guest_pmle, guest_pml4_pa, private_data)) != 0) {
+ return (ret == -1) ? -1 : PAGE_PML464;
+ }
+
+ switch (pml4e64_lookup(guest_pmle, vaddr, &guest_pdpe_pa)) {
+ case PT_ENTRY_NOT_PRESENT:
+ return -1;
+ case PT_ENTRY_PAGE:
+ {
+ pdpe64_t * guest_pdp = NULL;
+ addr_t guest_pde_pa = 0;
+
+ if (guest_pa_to_host_va(info, guest_pdpe_pa, (addr_t *)&guest_pdp) == -1) {
+ PrintError("Could not get virtual address of Guest PDPE64 (PA=%p)\n",
+ (void *)guest_pdpe_pa);
+ return -1;
+ }
+
+ if ((ret = callback(PAGE_PDP64, vaddr, (addr_t)guest_pdp, guest_pdpe_pa, private_data)) != 0) {
+ return (ret == -1) ? -1 : PAGE_PDP64;
+ }
+
+ switch (pdpe64_lookup(guest_pdp, vaddr, &guest_pde_pa)) {
+ case PT_ENTRY_NOT_PRESENT:
+ return -1;
+ case PT_ENTRY_LARGE_PAGE:
+ {
+ addr_t large_page_pa = (addr_t)guest_pde_pa;
+ addr_t large_page_va = 0;
+
+ if (guest_pa_to_host_va(info, large_page_pa, &large_page_va) == -1) {
+ PrintDebug("Could not get virtual address of Guest Page 1GB (PA=%p)\n",
+ (void *)large_page_va);
+
+ }
+
+ if ((ret == callback(PAGE_1GB, vaddr, large_page_va, large_page_pa, private_data)) != 0) {
+ return (ret == -1) ? -1 : PAGE_1GB;
+ }
+ PrintError("1 Gigabyte Pages not supported\n");
+ return 0;
+ }
+ case PT_ENTRY_PAGE:
+ {
+ pde64_t * guest_pde = NULL;
+ addr_t guest_pte_pa = 0;
+
+ if (guest_pa_to_host_va(info, guest_pde_pa, (addr_t *)&guest_pde) == -1) {
+ PrintError("Could not get virtual address of guest PDE64 (PA=%p)\n",
+ (void *)guest_pde_pa);
+ return -1;
+ }
+
+ if ((ret = callback(PAGE_PD64, vaddr, (addr_t)guest_pde, guest_pde_pa, private_data)) != 0) {
+ return (ret == -1) ? -1 : PAGE_PD64;
+ }
+
+ switch (pde64_lookup(guest_pde, vaddr, &guest_pte_pa)) {
+ case PT_ENTRY_NOT_PRESENT:
+ return -1;
+ case PT_ENTRY_LARGE_PAGE:
+ {
+ addr_t large_page_pa = (addr_t)guest_pte_pa;
+ addr_t large_page_va = 0;
+
+ if (guest_pa_to_host_va(info, large_page_pa, &large_page_va) == -1) {
+ PrintDebug("Could not get virtual address of Guest Page 2MB (PA=%p)\n",
+ (void *)large_page_va);
+
+ }
+
+ if ((ret == callback(PAGE_2MB, vaddr, large_page_va, large_page_pa, private_data)) != 0) {
+ return (ret == -1) ? -1 : PAGE_2MB;
+ }
+ return 0;
+ }
+ case PT_ENTRY_PAGE:
+ {
+ pte64_t * guest_pte = NULL;
+ addr_t page_pa;
+
+ if (guest_pa_to_host_va(info, guest_pte_pa, (addr_t *)&guest_pte) == -1) {
+ PrintError("Could not get virtual address of guest PTE64 (PA=%p)\n",
+ (void *)guest_pte_pa);
+ return -1;
+ }
+
+ if ((ret = callback(PAGE_PT64, vaddr, (addr_t)guest_pte, guest_pte_pa, private_data) != 0)) {
+ return (ret == -1) ? -1 : PAGE_PT64;
+ }
+
+ if (pte64_lookup(guest_pte, vaddr, &page_pa) == PT_ENTRY_NOT_PRESENT) {
+ return -1;
+ } else {
+ addr_t page_va;
+
+ if (guest_pa_to_host_va(info, page_pa, &page_va) == -1) {
+ PrintError("Could not get virtual address of Guest Page 4KB (PA=%p)\n",
+ (void *)page_pa);
+ return -1;
+ }
+
+ if ((ret = callback(PAGE_4KB, vaddr, page_va, page_pa, private_data)) != 0) {
+ return (ret == -1) ? -1 : PAGE_4KB;
+ }
+
+ return 0;
+ }
+ }
+ }
+ }
+ }
+ }
+ default:
+ return -1;
+ }
+
+ // should never get here
+ PrintError("End of drill function (guest 64)... Should never have gotten here...\n");
+ return -1;
+}
+
+
+
+
int v3_walk_guest_pt_32(struct guest_info * info, v3_reg_t guest_cr3,
- void (*callback)(page_type_t type, addr_t page_ptr, addr_t page_pa, void * private_data),
+ void (*callback)(page_type_t type, addr_t vaddr, addr_t page_ptr, addr_t page_pa, void * private_data),
void * private_data) {
addr_t guest_pde_pa = CR3_TO_PDE32_PA(guest_cr3);
pde32_t * guest_pde = NULL;
int i, j;
+ addr_t vaddr = 0;
if (!callback) {
PrintError("Call back was not specified\n");
return -1;
}
- callback(PAGE_PD32, (addr_t)guest_pde, guest_pde_pa, private_data);
+ callback(PAGE_PD32, vaddr, (addr_t)guest_pde, guest_pde_pa, private_data);
for (i = 0; i < MAX_PDE32_ENTRIES; i++) {
if (guest_pde[i].present) {
addr_t large_page_va = 0;
if (guest_pa_to_host_va(info, large_page_pa, &large_page_va) == -1) {
- PrintError("Could not get virtual address of Guest 4MB Page (PA=%p)\n",
- (void *)large_page_pa);
- return -1;
+ PrintDebug("Could not get virtual address of Guest 4MB Page (PA=%p)\n",
+ (void *)large_page_pa);
+ // We'll let it through for data pages because they may be unmapped or hooked
+ large_page_va = 0;
}
- callback(PAGE_4MB, large_page_va, large_page_pa, private_data);
+ callback(PAGE_4MB, vaddr, large_page_va, large_page_pa, private_data);
+
+ vaddr += PAGE_SIZE_4MB;
} else {
addr_t pte_pa = BASE_TO_PAGE_ADDR(guest_pde[i].pt_base_addr);
pte32_t * tmp_pte = NULL;
return -1;
}
- callback(PAGE_PT32, (addr_t)tmp_pte, pte_pa, private_data);
+ callback(PAGE_PT32, vaddr, (addr_t)tmp_pte, pte_pa, private_data);
for (j = 0; j < MAX_PTE32_ENTRIES; j++) {
if (tmp_pte[j].present) {
addr_t page_va = 0;
if (guest_pa_to_host_va(info, page_pa, &page_va) == -1) {
- PrintError("Could not get virtual address of Guest 4KB Page (PA=%p)\n",
- (void *)page_pa);
- return -1;
+ PrintDebug("Could not get virtual address of Guest 4KB Page (PA=%p)\n",
+ (void *)page_pa);
+ // We'll let it through for data pages because they may be unmapped or hooked
+ page_va = 0;
}
- callback(PAGE_4KB, page_va, page_pa, private_data);
+ callback(PAGE_4KB, vaddr, page_va, page_pa, private_data);
}
+
+ vaddr += PAGE_SIZE_4KB;
}
}
+ } else {
+ vaddr += PAGE_SIZE_4MB;
}
}
return 0;
int v3_walk_guest_pt_32pae(struct guest_info * info, v3_reg_t guest_cr3,
- void (*callback)(page_type_t type, addr_t page_ptr, addr_t page_pa, void * private_data),
+ void (*callback)(page_type_t type, addr_t vaddr, addr_t page_ptr, addr_t page_pa, void * private_data),
void * private_data) {
addr_t guest_pdpe_pa = CR3_TO_PDPE32PAE_PA(guest_cr3);
pdpe32pae_t * guest_pdpe = NULL;
int i, j, k;
+ addr_t vaddr = 0;
if (!callback) {
PrintError("Call back was not specified\n");
- callback(PAGE_PDP32PAE, (addr_t)guest_pdpe, guest_pdpe_pa, private_data);
+ callback(PAGE_PDP32PAE, vaddr, (addr_t)guest_pdpe, guest_pdpe_pa, private_data);
for (i = 0; i < MAX_PDPE32PAE_ENTRIES; i++) {
if (guest_pdpe[i].present) {
return -1;
}
- callback(PAGE_PD32PAE, (addr_t)tmp_pde, pde_pa, private_data);
+ callback(PAGE_PD32PAE, vaddr, (addr_t)tmp_pde, pde_pa, private_data);
for (j = 0; j < MAX_PDE32PAE_ENTRIES; j++) {
if (tmp_pde[j].present) {
addr_t large_page_va = 0;
if (guest_pa_to_host_va(info, large_page_pa, &large_page_va) == -1) {
- PrintError("Could not get virtual address of Guest 2MB Page (PA=%p)\n",
- (void *)large_page_pa);
- return -1;
+ PrintDebug("Could not get virtual address of Guest 2MB Page (PA=%p)\n",
+ (void *)large_page_pa);
+ // We'll let it through for data pages because they may be unmapped or hooked
+ large_page_va = 0;
}
- callback(PAGE_2MB, large_page_va, large_page_pa, private_data);
+ callback(PAGE_2MB, vaddr, large_page_va, large_page_pa, private_data);
+
+ vaddr += PAGE_SIZE_2MB;
} else {
addr_t pte_pa = BASE_TO_PAGE_ADDR(tmp_pde[j].pt_base_addr);
pte32pae_t * tmp_pte = NULL;
return -1;
}
- callback(PAGE_PT32PAE, (addr_t)tmp_pte, pte_pa, private_data);
+ callback(PAGE_PT32PAE, vaddr, (addr_t)tmp_pte, pte_pa, private_data);
for (k = 0; k < MAX_PTE32PAE_ENTRIES; k++) {
if (tmp_pte[k].present) {
addr_t page_va = 0;
if (guest_pa_to_host_va(info, page_pa, &page_va) == -1) {
- PrintError("Could not get virtual address of Guest 4KB Page (PA=%p)\n",
- (void *)page_pa);
- return -1;
+ PrintDebug("Could not get virtual address of Guest 4KB Page (PA=%p)\n",
+ (void *)page_pa);
+ // We'll let it through for data pages because they may be unmapped or hooked
+ page_va = 0;
}
- callback(PAGE_4KB, page_va, page_pa, private_data);
+ callback(PAGE_4KB, vaddr, page_va, page_pa, private_data);
}
+
+ vaddr += PAGE_SIZE_4KB;
}
}
+ } else {
+ vaddr += PAGE_SIZE_2MB;
}
}
+ } else {
+ vaddr += PAGE_SIZE_2MB * MAX_PDE32PAE_ENTRIES;
}
}
return 0;
int v3_walk_guest_pt_64(struct guest_info * info, v3_reg_t guest_cr3,
- void (*callback)(page_type_t type, addr_t page_ptr, addr_t page_pa, void * private_data),
+ void (*callback)(page_type_t type, addr_t vaddr, addr_t page_ptr, addr_t page_pa, void * private_data),
void * private_data) {
addr_t guest_pml_pa = CR3_TO_PML4E64_PA(guest_cr3);
pml4e64_t * guest_pml = NULL;
int i, j, k, m;
+ addr_t vaddr = 0;
if (!callback) {
PrintError("Call back was not specified\n");
}
- callback(PAGE_PML464, (addr_t)guest_pml, guest_pml_pa, private_data);
+ callback(PAGE_PML464, vaddr, (addr_t)guest_pml, guest_pml_pa, private_data);
for (i = 0; i < MAX_PML4E64_ENTRIES; i++) {
if (guest_pml[i].present) {
return -1;
}
- callback(PAGE_PDP64, (addr_t)tmp_pdpe, pdpe_pa, private_data);
+ callback(PAGE_PDP64, vaddr, (addr_t)tmp_pdpe, pdpe_pa, private_data);
for (j = 0; j < MAX_PDPE64_ENTRIES; j++) {
if (tmp_pdpe[j].present) {
addr_t large_page_va = 0;
if (guest_pa_to_host_va(info, large_page_pa, &large_page_va) == -1) {
- PrintError("Could not get virtual address of Guest 1GB page (PA=%p)\n",
- (void *)large_page_pa);
- return -1;
+ PrintDebug("Could not get virtual address of Guest 1GB page (PA=%p)\n",
+ (void *)large_page_pa);
+ // We'll let it through for data pages because they may be unmapped or hooked
+ large_page_va = 0;
}
- callback(PAGE_1GB, (addr_t)large_page_va, large_page_pa, private_data);
+ callback(PAGE_1GB, vaddr, (addr_t)large_page_va, large_page_pa, private_data);
+ vaddr += PAGE_SIZE_1GB;
} else {
addr_t pde_pa = BASE_TO_PAGE_ADDR(tmp_pdpe[j].pd_base_addr);
pde64_t * tmp_pde = NULL;
return -1;
}
- callback(PAGE_PD64, (addr_t)tmp_pde, pde_pa, private_data);
+ callback(PAGE_PD64, vaddr, (addr_t)tmp_pde, pde_pa, private_data);
for (k = 0; k < MAX_PDE64_ENTRIES; k++) {
if (tmp_pde[k].present) {
addr_t large_page_va = 0;
if (guest_pa_to_host_va(info, large_page_pa, &large_page_va) == -1) {
- PrintError("Could not get virtual address of Guest 2MB page (PA=%p)\n",
- (void *)large_page_pa);
- return -1;
+ PrintDebug("Could not get virtual address of Guest 2MB page (PA=%p)\n",
+ (void *)large_page_pa);
+ // We'll let it through for data pages because they may be unmapped or hooked
+ large_page_va = 0;
}
- callback(PAGE_2MB, large_page_va, large_page_pa, private_data);
+ callback(PAGE_2MB, vaddr, large_page_va, large_page_pa, private_data);
+
+ vaddr += PAGE_SIZE_2MB;
} else {
addr_t pte_pa = BASE_TO_PAGE_ADDR(tmp_pde[k].pt_base_addr);
pte64_t * tmp_pte = NULL;
return -1;
}
- callback(PAGE_PT64, (addr_t)tmp_pte, pte_pa, private_data);
+ callback(PAGE_PT64, vaddr, (addr_t)tmp_pte, pte_pa, private_data);
for (m = 0; m < MAX_PTE64_ENTRIES; m++) {
if (tmp_pte[m].present) {
addr_t page_va = 0;
if (guest_pa_to_host_va(info, page_pa, &page_va) == -1) {
- PrintError("Could not get virtual address of Guest 4KB Page (PA=%p)\n",
+ PrintDebug("Could not get virtual address of Guest 4KB Page (PA=%p)\n",
(void *)page_pa);
- return -1;
+ // We'll let it through for data pages because they may be unmapped or hooked
+ page_va = 0;
}
- callback(PAGE_4KB, page_va, page_pa, private_data);
+ callback(PAGE_4KB, vaddr, page_va, page_pa, private_data);
}
+
+ vaddr += PAGE_SIZE_4KB;
}
}
+ } else {
+ vaddr += PAGE_SIZE_2MB;
}
}
}
+ } else {
+ vaddr += PAGE_SIZE_1GB;
}
}
+ } else {
+ vaddr += ((ullong_t)PAGE_SIZE_1GB * (ullong_t)MAX_PDPE64_ENTRIES);
}
}
return 0;
}
int v3_walk_host_pt_32(v3_reg_t host_cr3,
- void (*callback)(page_type_t type, addr_t page_ptr, addr_t page_pa, void * private_data),
+ void (*callback)(page_type_t type, addr_t vaddr, addr_t page_ptr, 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;
+ addr_t vaddr = 0;
if (!callback) {
PrintError("Call back was not specified\n");
return -1;
}
- callback(PAGE_PD32, (addr_t)host_pde, pde_pa, private_data);
+ callback(PAGE_PD32, vaddr, (addr_t)host_pde, pde_pa, private_data);
for (i = 0; i < MAX_PDE32_ENTRIES; i++) {
if (host_pde[i].present) {
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, (addr_t)V3_VAddr((void *)large_page_pa), large_page_pa, private_data);
+ callback(PAGE_4MB, vaddr, (addr_t)V3_VAddr((void *)large_page_pa), large_page_pa, private_data);
+
+ vaddr += PAGE_SIZE_4MB;
} else {
addr_t pte_pa = BASE_TO_PAGE_ADDR(host_pde[i].pt_base_addr);
pte32_t * tmp_pte = (pte32_t *)V3_VAddr((void *)pte_pa);
- callback(PAGE_PT32, (addr_t)tmp_pte, pte_pa, private_data);
+ callback(PAGE_PT32, vaddr, (addr_t)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, (addr_t)V3_VAddr((void *)page_pa), page_pa, private_data);
+ callback(PAGE_4KB, vaddr, (addr_t)V3_VAddr((void *)page_pa), page_pa, private_data);
}
+
+ vaddr += PAGE_SIZE_4KB;
}
}
+ } else {
+ vaddr += PAGE_SIZE_4MB;
}
}
return 0;
}
-
+
int v3_walk_host_pt_32pae(v3_reg_t host_cr3,
- void (*callback)(page_type_t type, addr_t page_ptr, addr_t page_pa, void * private_data),
+ void (*callback)(page_type_t type, addr_t vaddr, addr_t page_ptr, 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;
-
+ addr_t vaddr = 0;
+
if (!callback) {
PrintError("Callback was not specified\n");
return -1;
}
- callback(PAGE_PDP32PAE, (addr_t)host_pdpe, pdpe_pa, private_data);
+ callback(PAGE_PDP32PAE, vaddr, (addr_t)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((void *)pde_pa);
- callback(PAGE_PD32PAE, (addr_t)tmp_pde, pde_pa, private_data);
+ callback(PAGE_PD32PAE, vaddr, (addr_t)tmp_pde, pde_pa, private_data);
for (j = 0; j < MAX_PDE32PAE_ENTRIES; j++) {
if (tmp_pde[j].present) {
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, (addr_t)V3_VAddr((void *)large_page_pa), large_page_pa, private_data);
+ callback(PAGE_2MB, vaddr, (addr_t)V3_VAddr((void *)large_page_pa), large_page_pa, private_data);
+
+ vaddr += PAGE_SIZE_2MB;
} else {
addr_t pte_pa = BASE_TO_PAGE_ADDR(tmp_pde[j].pt_base_addr);
pte32pae_t * tmp_pte = (pte32pae_t *)V3_VAddr((void *)pte_pa);
- callback(PAGE_PT32PAE, (addr_t)tmp_pte, pte_pa, private_data);
+ callback(PAGE_PT32PAE, vaddr, (addr_t)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, (addr_t)V3_VAddr((void *)page_pa), page_pa, private_data);
+ callback(PAGE_4KB, vaddr, (addr_t)V3_VAddr((void *)page_pa), page_pa, private_data);
}
+
+ vaddr += PAGE_SIZE_4KB;
}
- }
+ }
+ } else {
+ vaddr += PAGE_SIZE_2MB;
}
}
+ } else {
+ vaddr += PAGE_SIZE_2MB * MAX_PDE32PAE_ENTRIES;
}
}
return 0;
int v3_walk_host_pt_64(v3_reg_t host_cr3,
- void (*callback)(page_type_t type, addr_t page_ptr, addr_t page_pa, void * private_data),
+ void (*callback)(page_type_t type, addr_t vaddr, addr_t page_ptr, addr_t page_pa, void * private_data),
void * private_data) {
pml4e64_t * host_pml = (pml4e64_t *)CR3_TO_PML4E64_VA(host_cr3);
addr_t pml_pa = CR3_TO_PML4E64_PA(host_cr3);
int i, j, k, m;
+ addr_t vaddr = 0;
if (!callback) {
PrintError("Callback was not specified\n");
return -1;
}
- callback(PAGE_PML464, (addr_t)host_pml, pml_pa, private_data);
+ callback(PAGE_PML464, vaddr, (addr_t)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((void *)pdpe_pa);
- callback(PAGE_PDP64, (addr_t)tmp_pdpe, pdpe_pa, private_data);
+ callback(PAGE_PDP64, vaddr, (addr_t)tmp_pdpe, pdpe_pa, private_data);
for (j = 0; j < MAX_PDPE64_ENTRIES; j++) {
if (tmp_pdpe[j].present) {
pdpe64_1GB_t * large_pdp = (pdpe64_1GB_t *)&(tmp_pdpe[j]);
addr_t large_page_pa = BASE_TO_PAGE_ADDR_1GB(large_pdp->page_base_addr);
- callback(PAGE_1GB, (addr_t)V3_VAddr((void *)large_page_pa), large_page_pa, private_data);
+ callback(PAGE_1GB, vaddr, (addr_t)V3_VAddr((void *)large_page_pa), large_page_pa, private_data);
+
+ vaddr += PAGE_SIZE_1GB;
} else {
addr_t pde_pa = BASE_TO_PAGE_ADDR(tmp_pdpe[j].pd_base_addr);
pde64_t * tmp_pde = (pde64_t *)V3_VAddr((void *)pde_pa);
- callback(PAGE_PD64, (addr_t)tmp_pde, pde_pa, private_data);
+ callback(PAGE_PD64, vaddr, (addr_t)tmp_pde, pde_pa, private_data);
for (k = 0; k < MAX_PDE64_ENTRIES; k++) {
if (tmp_pde[k].present) {
pde64_2MB_t * large_pde = (pde64_2MB_t *)&(tmp_pde[k]);
addr_t large_page_pa = BASE_TO_PAGE_ADDR_2MB(large_pde->page_base_addr);
- callback(PAGE_2MB, (addr_t)V3_VAddr((void *)large_page_pa), large_page_pa, private_data);
+ callback(PAGE_2MB, vaddr, (addr_t)V3_VAddr((void *)large_page_pa), large_page_pa, private_data);
+
+ vaddr += PAGE_SIZE_2MB;
} else {
addr_t pte_pa = BASE_TO_PAGE_ADDR(tmp_pde[k].pt_base_addr);
pte64_t * tmp_pte = (pte64_t *)V3_VAddr((void *)pte_pa);
- callback(PAGE_PT64, (addr_t)tmp_pte, pte_pa, private_data);
+ callback(PAGE_PT64, vaddr, (addr_t)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, (addr_t)V3_VAddr((void *)page_pa), page_pa, private_data);
+ callback(PAGE_4KB, vaddr, (addr_t)V3_VAddr((void *)page_pa), page_pa, private_data);
}
+ vaddr += PAGE_SIZE_4KB;
}
}
+ } else {
+ vaddr += PAGE_SIZE_2MB;
}
}
}
+ } else {
+ vaddr += PAGE_SIZE_1GB;
}
}
+ } else {
+ vaddr += (ullong_t)PAGE_SIZE_1GB * (ullong_t)MAX_PDPE64_ENTRIES;
}
}
return 0;
