arch/riscv64/include/vmem.h


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#ifndef APOS_RISCV_VMAP_H
#define APOS_RISCV_VMAP_H

#include <apos/types.h>
#include <apos/attrs.h>

#define RISCV_NUM_LEAVES (4096 / sizeof(void *))

#define VM_V             (1 << 0)
#define VM_R             (1 << 1)
#define VM_W             (1 << 2)
#define VM_X             (1 << 3)
#define VM_U             (1 << 4)
#define VM_G             (1 << 5)
#define VM_A             (1 << 6)
#define VM_D             (1 << 7)

enum mm_mode {
	Sv48,
	Sv39,
	Sv32,
};

struct vm_branch {
	struct vm_branch *leaf[RISCV_NUM_LEAVES];
};

#endif /* APOS_RISCV_VMAP_H */