1 /* 2 * QEMU AVR CPU 3 * 4 * Copyright (c) 2016-2020 Michael Rolnik 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with this library; if not, see 18 * <http://www.gnu.org/licenses/lgpl-2.1.html> 19 */ 20 21 #ifndef AVR_CPU_PARAM_H 22 #define AVR_CPU_PARAM_H 23 24 #define TARGET_LONG_BITS 32 25 /* 26 * TARGET_PAGE_BITS cannot be more than 8 bits because 27 * 1. all IO registers occupy [0x0000 .. 0x00ff] address range, and they 28 * should be implemented as a device and not memory 29 * 2. SRAM starts at the address 0x0100 30 */ 31 #define TARGET_PAGE_BITS 8 32 #define TARGET_PHYS_ADDR_SPACE_BITS 24 33 #define TARGET_VIRT_ADDR_SPACE_BITS 24 34 #define NB_MMU_MODES 2 35 36 #endif 37