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#ifndef __X86_32_PAGE_2LEVEL_H__
#define __X86_32_PAGE_2LEVEL_H__
#define L1_PAGETABLE_SHIFT 12
#define L2_PAGETABLE_SHIFT 22
#define PAGE_SHIFT L1_PAGETABLE_SHIFT
#define ROOT_PAGETABLE_SHIFT L2_PAGETABLE_SHIFT
#define PAGETABLE_ORDER 10
#define L1_PAGETABLE_ENTRIES (1<<PAGETABLE_ORDER)
#define L2_PAGETABLE_ENTRIES (1<<PAGETABLE_ORDER)
#define ROOT_PAGETABLE_ENTRIES L2_PAGETABLE_ENTRIES
#define PADDR_BITS 32
#define PADDR_MASK (~0UL)
#ifndef __ASSEMBLY__
#include <asm/types.h>
/* read access (should only be used for debug printk's) */
typedef u32 intpte_t;
#define PRIpte "08x"
typedef struct { intpte_t l1; } l1_pgentry_t;
typedef struct { intpte_t l2; } l2_pgentry_t;
typedef l2_pgentry_t root_pgentry_t;
#endif /* !__ASSEMBLY__ */
/* root table */
#define root_get_pfn l2e_get_pfn
#define root_get_flags l2e_get_flags
#define root_get_intpte l2e_get_intpte
#define root_empty l2e_empty
#define root_from_paddr l2e_from_paddr
#define PGT_root_page_table PGT_l2_page_table
/* misc */
#define is_guest_l1_slot(_s) (1)
#define is_guest_l2_slot(_t,_s) ((_s) < L2_PAGETABLE_FIRST_XEN_SLOT)
/*
* PTE pfn and flags:
* 20-bit pfn = (pte[31:12])
* 12-bit flags = (pte[11:0])
*/
#define _PAGE_NX 0U
/* Extract flags into 12-bit integer, or turn 12-bit flags into a pte mask. */
#define get_pte_flags(x) ((int)(x) & 0xFFF)
#define put_pte_flags(x) ((intpte_t)((x) & 0xFFF))
#define L1_DISALLOW_MASK BASE_DISALLOW_MASK
#define L2_DISALLOW_MASK BASE_DISALLOW_MASK
#endif /* __X86_32_PAGE_2LEVEL_H__ */
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