[mirror_qemu.git] / contrib / elf2dmp / addrspace.h

/*
 * Copyright (c) 2018 Virtuozzo International GmbH
 *
 * This work is licensed under the terms of the GNU GPL, version 2 or later.
 *
 */

#ifndef ADDRSPACE_H
#define ADDRSPACE_H

#include "qemu_elf.h"

#define ELF2DMP_PAGE_BITS 12
#define ELF2DMP_PAGE_SIZE (1ULL << ELF2DMP_PAGE_BITS)
#define ELF2DMP_PAGE_MASK (ELF2DMP_PAGE_SIZE - 1)
#define ELF2DMP_PFN_MASK (~(ELF2DMP_PAGE_SIZE - 1))

#define INVALID_PA  UINT64_MAX

struct pa_block {
    uint8_t *addr;
    uint64_t paddr;
    uint64_t size;
};

struct pa_space {
    size_t block_nr;
    struct pa_block *block;
};

struct va_space {
    uint64_t dtb;
    struct pa_space *ps;
};

int pa_space_create(struct pa_space *ps, QEMU_Elf *qemu_elf);
void pa_space_destroy(struct pa_space *ps);

void va_space_create(struct va_space *vs, struct pa_space *ps, uint64_t dtb);
void va_space_set_dtb(struct va_space *vs, uint64_t dtb);
void *va_space_resolve(struct va_space *vs, uint64_t va);
int va_space_rw(struct va_space *vs, uint64_t addr,
        void *buf, size_t size, int is_write);

#endif /* ADDRSPACE_H */
Commit	Line	Data
3fa2d384 VP	1	/*
	2	* Copyright (c) 2018 Virtuozzo International GmbH
	3	*
	4	* This work is licensed under the terms of the GNU GPL, version 2 or later.
	5	*
	6	*/
	7
	8	#ifndef ADDRSPACE_H
	9	#define ADDRSPACE_H
	10
	11	#include "qemu_elf.h"
	12
2d0fc797 JY	13	#define ELF2DMP_PAGE_BITS 12
2d0fc797 JY	14	#define ELF2DMP_PAGE_SIZE (1ULL << ELF2DMP_PAGE_BITS)
d5c27a53	15	#define ELF2DMP_PAGE_MASK (ELF2DMP_PAGE_SIZE - 1)
2d0fc797	16	#define ELF2DMP_PFN_MASK (~(ELF2DMP_PAGE_SIZE - 1))
3fa2d384 VP	17
	18	#define INVALID_PA UINT64_MAX
	19
	20	struct pa_block {
	21	uint8_t *addr;
	22	uint64_t paddr;
	23	uint64_t size;
	24	};
	25
	26	struct pa_space {
	27	size_t block_nr;
	28	struct pa_block *block;
	29	};
	30
	31	struct va_space {
	32	uint64_t dtb;
	33	struct pa_space *ps;
	34	};
	35
	36	int pa_space_create(struct pa_space ps, QEMU_Elf qemu_elf);
	37	void pa_space_destroy(struct pa_space *ps);
	38
	39	void va_space_create(struct va_space vs, struct pa_space ps, uint64_t dtb);
	40	void va_space_set_dtb(struct va_space *vs, uint64_t dtb);
	41	void va_space_resolve(struct va_space vs, uint64_t va);
	42	int va_space_rw(struct va_space *vs, uint64_t addr,
	43	void *buf, size_t size, int is_write);
	44
	45	#endif /* ADDRSPACE_H */