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/*
* Copyright (c) 2017 Richard Braun.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _ARM_PMAP_H
#define _ARM_PMAP_H
#include <stddef.h>
#include <stdint.h>
#include <kern/cpumap.h>
#include <kern/macros.h>
#include <machine/types.h>
#define PMAP_START_ADDRESS DECL_CONST(0, UL)
#define PMAP_END_ADDRESS DECL_CONST(0xc0000000, UL)
#define PMAP_START_KERNEL_ADDRESS PMAP_END_ADDRESS
#define PMAP_END_KERNEL_ADDRESS DECL_CONST(0xfffff000, UL)
#define PMAP_START_DIRECTMAP_ADDRESS PMAP_END_ADDRESS
#define PMAP_END_DIRECTMAP_ADDRESS DECL_CONST(0xf8000000, UL)
#define PMAP_START_KMEM_ADDRESS PMAP_END_DIRECTMAP_ADDRESS
#define PMAP_END_KMEM_ADDRESS PMAP_END_KERNEL_ADDRESS
/*
* Mapping creation flags.
*/
#define PMAP_PEF_GLOBAL 0x1 /* Create a mapping on all processors */
struct pmap;
static inline struct pmap *
pmap_get_kernel_pmap(void)
{
return NULL;
}
int pmap_kextract(uintptr_t va, phys_addr_t *pap);
int pmap_create(struct pmap **pmapp);
int pmap_enter(struct pmap *pmap, uintptr_t va, phys_addr_t pa,
int prot, int flags);
int pmap_remove(struct pmap *pmap, uintptr_t va,
const struct cpumap *cpumap);
int pmap_update(struct pmap *pmap);
void pmap_load(struct pmap *pmap);
/*
* This init operation provides :
* - kernel pmap operations
*/
INIT_OP_DECLARE(pmap_bootstrap);
/*
* This init operation provides :
* - user pmap creation
* - module fully initialized
*/
INIT_OP_DECLARE(pmap_setup);
#endif /* _ARM_PMAP_H */
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