-/* (c) 2008, Jack Lange <jarusl@cs.northwestern.edu> */
-/* (c) 2008, The V3VEE Project <http://www.v3vee.org> */
+/*
+ * This file is part of the Palacios Virtual Machine Monitor developed
+ * by the V3VEE Project with funding from the United States National
+ * Science Foundation and the Department of Energy.
+ *
+ * The V3VEE Project is a joint project between Northwestern University
+ * and the University of New Mexico. You can find out more at
+ * http://www.v3vee.org
+ *
+ * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu>
+ * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
+ * All rights reserved.
+ *
+ * Author: Jack Lange <jarusl@cs.northwestern.edu>
+ *
+ * This is free software. You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
+
+
+#ifndef __VMM_PAGING_H__
+#define __VMM_PAGING_H__
-#ifndef __VMM_PAGING_H
-#define __VMM_PAGING_H
+#ifdef __V3VEE__
#include <palacios/vmm_types.h>
#include <palacios/vmm_util.h>
*/
-#ifdef __V3VEE__
+
#define MAX_PTE32_ENTRIES 1024
#define MAX_PDE32_ENTRIES 1024
+#define MAX_PTE32PAE_ENTRIES 512
+#define MAX_PDE32PAE_ENTRIES 512
+#define MAX_PDPE32PAE_ENTRIES 4
+
#define MAX_PTE64_ENTRIES 512
#define MAX_PDE64_ENTRIES 512
#define MAX_PDPE64_ENTRIES 512
#define PDE32_INDEX(x) ((((uint_t)x) >> 22) & 0x3ff)
#define PTE32_INDEX(x) ((((uint_t)x) >> 12) & 0x3ff)
+
/* Gets the base address needed for a Page Table entry */
+/* Deprecate these :*/
#define PD32_BASE_ADDR(x) (((uint_t)x) >> 12)
#define PT32_BASE_ADDR(x) (((uint_t)x) >> 12)
#define PD32_4MB_BASE_ADDR(x) (((uint_t)x) >> 22)
+#define PML4E64_BASE_ADDR(x) (((ullong_t)x) >> 12)
+#define PDPE64_BASE_ADDR(x) (((ullong_t)x) >> 12)
+#define PDE64_BASE_ADDR(x) (((ullong_t)x) >> 12)
+#define PTE64_BASE_ADDR(x) (((ullong_t)x) >> 12)
+/* Accessor functions for the page table structures */
+#define PDE32_T_ADDR(x) (((x).pt_base_addr) << 12)
+#define PTE32_T_ADDR(x) (((x).page_base_addr) << 12)
+#define PDE32_4MB_T_ADDR(x) (((x).page_base_addr) << 22)
+
+/* Replace The above with these... */
+#define PAGE_BASE_ADDR(x) (((uint_t)x) >> 12)
+#define LARGE_PAGE_BASE_ADDR(x) (((uint_t)x) >> 22)
+#define BASE_TO_PAGE_ADDR(x) (((uint_t)x) << 12)
+#define LARGE_BASE_TO_PAGE_ADDR(x) (((uint_t)x) << 22)
+
+
+
#define PT32_PAGE_ADDR(x) (((uint_t)x) & 0xfffff000)
#define PT32_PAGE_OFFSET(x) (((uint_t)x) & 0xfff)
#define PT32_PAGE_POWER 12
-#define CR3_TO_PDE32(cr3) (((ulong_t)cr3) & 0xfffff000)
-#define CR3_TO_PDPTRE(cr3) (((ulong_t)cr3) & 0xffffffe0)
-#define CR3_TO_PML4E64(cr3) (((ullong_t)cr3) & 0x000ffffffffff000LL)
+#define CR3_TO_PDE32(cr3) (V3_VAddr((void *)(((ulong_t)cr3) & 0xfffff000)))
+#define CR3_TO_PDPTRE(cr3) (V3_VAddr((void *)(((ulong_t)cr3) & 0xffffffe0)))
+#define CR3_TO_PML4E64(cr3) (V3_VAddr((void *)(((ullong_t)cr3) & 0x000ffffffffff000LL)))
+
-/* Accessor functions for the page table structures */
-#define PDE32_T_ADDR(x) (((x).pt_base_addr) << 12)
-#define PTE32_T_ADDR(x) (((x).page_base_addr) << 12)
-#define PDE32_4MB_T_ADDR(x) (((x).page_base_addr) << 22)
/* Page Table Flag Values */
#define PT32_HOOK 0x1
#define PT32_GUEST_PT 0x2
-#endif
+
/* PDE 32 bit PAGE STRUCTURES */
typedef enum {PDE32_ENTRY_NOT_PRESENT, PDE32_ENTRY_PTE32, PDE32_ENTRY_LARGE_PAGE} pde32_entry_type_t;
uint_t global_page : 1;
uint_t vmm_info : 3;
uint_t pt_base_addr : 20;
-} pde32_t;
+} __attribute__((packed)) pde32_t;
typedef struct pde32_4MB {
uint_t present : 1;
uint_t rsvd : 9;
uint_t page_base_addr : 10;
-} pde32_4MB_t;
+} __attribute__((packed)) pde32_4MB_t;
typedef struct pte32 {
uint_t present : 1;
uint_t global_page : 1;
uint_t vmm_info : 3;
uint_t page_base_addr : 20;
-} pte32_t;
+} __attribute__((packed)) pte32_t;
/* ***** */
/* 32 bit PAE PAGE STRUCTURES */
+typedef struct pdpe32pae {
+ uint_t present : 1;
+ uint_t rsvd : 2; // MBZ
+ uint_t write_through : 1;
+ uint_t cache_disable : 1;
+ uint_t accessed : 1;
+ uint_t avail : 1;
+ uint_t rsvd2 : 2; // MBZ
+ uint_t vmm_info : 3;
+ uint_t pd_base_addr : 24;
+ uint_t rsvd3 : 28; // MBZ
+} __attribute__((packed)) pdpe32pae_t;
+
+
+
+typedef struct pde32pae {
+ uint_t present : 1;
+ uint_t writable : 1;
+ uint_t user_page : 1;
+ uint_t write_through : 1;
+ uint_t cache_disable : 1;
+ uint_t accessed : 1;
+ uint_t avail : 1;
+ uint_t large_page : 1;
+ uint_t global_page : 1;
+ uint_t vmm_info : 3;
+ uint_t pt_base_addr : 24;
+ uint_t rsvd : 28;
+} __attribute__((packed)) pde32pae_t;
+
+typedef struct pde32pae_4MB {
+ uint_t present : 1;
+ uint_t writable : 1;
+ uint_t user_page : 1;
+ uint_t write_through : 1;
+ uint_t cache_disable : 1;
+ uint_t accessed : 1;
+ uint_t dirty : 1;
+ uint_t one : 1;
+ uint_t global_page : 1;
+ uint_t vmm_info : 3;
+ uint_t pat : 1;
+ uint_t rsvd : 9;
+ uint_t page_base_addr : 14;
+ uint_t rsvd2 : 28;
+
+} __attribute__((packed)) pde32pae_4MB_t;
+
+typedef struct pte32pae {
+ uint_t present : 1;
+ uint_t writable : 1;
+ uint_t user_page : 1;
+ uint_t write_through : 1;
+ uint_t cache_disable : 1;
+ uint_t accessed : 1;
+ uint_t dirty : 1;
+ uint_t pte_attr : 1;
+ uint_t global_page : 1;
+ uint_t vmm_info : 3;
+ uint_t page_base_addr : 24;
+ uint_t rsvd : 28;
+} __attribute__((packed)) pte32pae_t;
+
+
+
-//
-// Fill in
-//
/* ********** */
typedef struct pml4e64 {
uint_t present : 1;
uint_t writable : 1;
- uint_t user : 1;
- uint_t pwt : 1;
- uint_t pcd : 1;
+ uint_t user_page : 1;
+ uint_t write_through : 1;
+ uint_t cache_disable : 1;
uint_t accessed : 1;
uint_t reserved : 1;
uint_t zero : 2;
uint_t vmm_info : 3;
- uint_t pdp_base_addr_lo : 20;
- uint_t pdp_base_addr_hi : 20;
+ ullong_t pdp_base_addr : 40;
uint_t available : 11;
uint_t no_execute : 1;
-} pml4e64_t;
+} __attribute__((packed)) pml4e64_t;
typedef struct pdpe64 {
uint_t present : 1;
uint_t writable : 1;
- uint_t user : 1;
- uint_t pwt : 1;
- uint_t pcd : 1;
+ uint_t user_page : 1;
+ uint_t write_through : 1;
+ uint_t cache_disable : 1;
uint_t accessed : 1;
uint_t reserved : 1;
- uint_t large_pages : 1;
+ uint_t large_page : 1;
uint_t zero : 1;
uint_t vmm_info : 3;
- uint_t pd_base_addr_lo : 20;
- uint_t pd_base_addr_hi : 20;
+ ullong_t pd_base_addr : 40;
uint_t available : 11;
uint_t no_execute : 1;
-} pdpe64_t;
+} __attribute__((packed)) pdpe64_t;
typedef struct pde64 {
uint_t present : 1;
- uint_t flags : 4;
+ uint_t writable : 1;
+ uint_t user_page : 1;
+ uint_t write_through : 1;
+ uint_t cache_disable : 1;
uint_t accessed : 1;
uint_t reserved : 1;
- uint_t large_pages : 1;
+ uint_t large_page : 1;
uint_t reserved2 : 1;
uint_t vmm_info : 3;
- uint_t pt_base_addr_lo : 20;
- uint_t pt_base_addr_hi : 20;
+ ullong_t pt_base_addr : 40;
uint_t available : 11;
uint_t no_execute : 1;
-} pde64_t;
+} __attribute__((packed)) pde64_t;
typedef struct pte64 {
uint_t present : 1;
- uint_t flags : 4;
+ uint_t writable : 1;
+ uint_t user_page : 1;
+ uint_t write_through : 1;
+ uint_t cache_disable : 1;
uint_t accessed : 1;
uint_t dirty : 1;
uint_t pte_attr : 1;
uint_t global_page : 1;
uint_t vmm_info : 3;
- uint_t page_base_addr_lo : 20;
- uint_t page_base_addr_hi : 20;
+ ullong_t page_base_addr : 40;
uint_t available : 11;
uint_t no_execute : 1;
-} pte64_t;
+} __attribute__((packed)) pte64_t;
/* *************** */
uint_t rsvd_access : 1; // if 1, fault from reading a 1 from a reserved field (?)
uint_t ifetch : 1; // if 1, faulting access was an instr fetch (only with NX)
uint_t rsvd : 27;
-} pf_error_t;
-
-typedef enum { PDE32 } paging_mode_t;
+} __attribute__((packed)) pf_error_t;
struct guest_info;
-pde32_t * create_passthrough_pde32_pts(struct guest_info * guest_info);
-
+pde32_t * create_passthrough_pts_32(struct guest_info * guest_info);
+pdpe32pae_t * create_passthrough_pts_PAE32(struct guest_info * guest_info);
+pml4e64_t * create_passthrough_pts_64(struct guest_info * info);
void PrintDebugPageTables(pde32_t * pde);
-#ifdef __V3VEE__
void PrintPT32(addr_t starting_address, pte32_t * pte);
void PrintPD32(pde32_t * pde);
void PrintPTE32(addr_t virtual_address, pte32_t * pte);
void PrintPDE32(addr_t virtual_address, pde32_t * pde);
+
+void PrintDebugPageTables32PAE(pdpe32pae_t * pde);
+void PrintPTE32PAE(addr_t virtual_address, pte32pae_t * pte);
+void PrintPDE32PAE(addr_t virtual_address, pde32pae_t * pde);
+void PrintPTE64(addr_t virtual_address, pte64_t * pte);
#endif // !__V3VEE__
