#ifndef SOCKS_VM_H_
#define SOCKS_VM_H_

#include <socks/types.h>

/*******************************************
 * Beginning of machine-specific definitions
 *******************************************/
typedef enum vm_zone_id {
	VM_ZONE_DMA		= 0x01u,
	VM_ZONE_NORMAL		= 0x02u,
	VM_ZONE_HIGHMEM		= 0x03u,
} vm_zone_id_t;
/*******************************************
 * End of machine-specific definitions.
 *******************************************/

typedef enum vm_memory_region_status {
	VM_REGION_FREE		= 0x01u,
	VM_REGION_RESERVED	= 0x02u,
} vm_memory_region_status_t;

typedef struct vm_zone_descriptor {
	vm_zone_id_t zd_id;
	phys_addr_t zd_base;
	phys_addr_t zd_limit;
} vm_zone_descriptor_t;

typedef struct vm_zone {
	unsigned z_reserved[32];
} vm_zone_t;

typedef struct vm_region {
	vm_memory_region_status_t r_status;
	phys_addr_t r_base;
	phys_addr_t r_limit;
} vm_region_t;

typedef enum vm_page_flags {
	VM_PAGE_RESERVED = 0x01u,
} vm_page_flags_t;

typedef struct vm_page {
	uint32_t p_flags; /* vm_page_flags_t bitfield */
} __attribute__((packed)) vm_page_t;

extern void vm_bootstrap(void);

extern void vm_page_init(vm_page_t *pg);

#endif