Atmosphere/exosphere/src/userpage.h

39 lines
1.3 KiB
C

/*
* Copyright (c) 2018 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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 EXOSPHERE_USERPAGE_H
#define EXOSPHERE_USERPAGE_H
#include "utils.h"
#include "memory_map.h"
static inline uintptr_t get_user_page_secure_monitor_addr(void) {
return TZRAM_GET_SEGMENT_ADDRESS(TZRAM_SEGMENT_ID_USERPAGE);
}
#define USER_PAGE_SECURE_MONITOR_ADDR (get_user_page_secure_monitor_addr())
typedef struct {
uintptr_t user_address;
uintptr_t secure_monitor_address;
} upage_ref_t;
bool upage_init(upage_ref_t *user_page, void *user_address);
bool user_copy_to_secure(upage_ref_t *user_page, void *secure_dst, void *user_src, size_t size);
bool secure_copy_to_user(upage_ref_t *user_page, void *user_dst, void *secure_src, size_t size);
#endif