#pragma once /* * This file is part of open_agb_firm * Copyright (C) 2021 derrek, profi200 * * 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 . */ #ifdef ARM9 /* ITCM */ #define ITCM_BASE (0x00000000) #define ITCM_KERNEL_MIRROR (0x01FF8000) #define ITCM_BOOT9_MIRROR (0x07FF8000) #define ITCM_SIZE (0x00008000) // 32 KiB #endif #ifdef ARM11 /* ARM11 bootrom */ #define BOOT11_BASE (0x00000000) #define BOOT11_MIRROR1 (0x00010000) #define BOOT11_SIZE (0x00010000) // 64 KiB #endif #ifdef ARM9 /* ARM9 RAM */ #define A9_RAM_BASE (0x08000000) #define A9_RAM_N3DS_EXT_BASE (A9_RAM_BASE + 0x100000) #define A9_RAM_SIZE (0x00100000) // 1 MiB #define A9_RAM_N3DS_EXT_SIZE (0x00080000) // 512 KiB #endif /* IO mem */ #define IO_MEM_BASE (0x10000000) #define IO_MEM_ARM9_ONLY (IO_MEM_BASE) #define IO_MEM_ARM9_ARM11 (IO_MEM_BASE + 0x100000) #define IO_MEM_ARM11_ONLY (IO_MEM_BASE + 0x200000) #ifdef ARM11 /* ARM11 MPCore private region */ #define MPCORE_PRIV_REG_BASE (0x17E00000) #define MPCORE_PRIV_REG_SIZE (0x00002000) // 8 KiB /* L2C-310 Level 2 Cache Controller */ #define L2_CACHE_CONTR_BASE (0x17E10000) #define L2_CACHE_CONTR_SIZE (0x00001000) // 4 KiB #endif /* VRAM */ #define VRAM_BASE (0x18000000) #define VRAM_SIZE (0x00600000) #define VRAM_BANK0 (VRAM_BASE) #define VRAM_BANK1 (VRAM_BASE + 0x300000) /* DSP mem */ #define DSP_MEM_BASE (0x1FF00000) #define DSP_MEM_SIZE (0x00080000) // 512 KiB /* AXIWRAM */ #define AXIWRAM_BASE (0x1FF80000) #define AXIWRAM_SIZE (0x00080000) // 512 KiB /* FCRAM */ #define FCRAM_BASE (0x20000000) #define FCRAM_N3DS_EXT_BASE (FCRAM_BASE + 0x8000000) #define FCRAM_SIZE (0x08000000) // 128 MiB #define FCRAM_N3DS_EXT_SIZE (FCRAM_SIZE) #ifdef ARM9 /* OTP */ #define OTP_BASE (0x10012000) #define OTP_SIZE (0x00000100) // 256 bytes /* DTCM */ #define DTCM_BASE (0xFFF00000) #define DTCM_SIZE (0x00004000) // 16 KiB /* ARM9 bootrom */ #define BOOT9_BASE (0xFFFF0000) #define BOOT9_SIZE (0x00010000) // 64 KiB #endif #ifdef ARM11 /* ARM11 bootrom */ #define BOOT11_MIRROR2 (0xFFFF0000) #endif /* Custom mappings */ #ifdef ARM9 #define A9_VECTORS_START (A9_RAM_BASE) #define A9_VECTORS_SIZE (0x40) #define A9_STUB_ENTRY (ITCM_KERNEL_MIRROR + ITCM_SIZE - 0x200) #define A9_STUB_SIZE (0x200) #define A9_HEAP_END (A9_RAM_BASE + A9_RAM_SIZE) #define A9_STACK_START (DTCM_BASE) #define A9_STACK_END (DTCM_BASE + DTCM_SIZE - 0x400) #define A9_IRQ_STACK_START (DTCM_BASE + DTCM_SIZE - 0x400) #define A9_IRQ_STACK_END (DTCM_BASE + DTCM_SIZE) #define A9_EXC_STACK_START (ITCM_KERNEL_MIRROR + (ITCM_SIZE / 2)) #define A9_EXC_STACK_END (ITCM_KERNEL_MIRROR + ITCM_SIZE) #define FIRM_LOAD_ADDR (VRAM_BASE + 0x200000) #define RAM_FIRM_BOOT_ADDR (FCRAM_BASE + 0x1000) #endif #ifdef ARM11 #define A11_C0_STACK_START (AXIWRAM_BASE) // Core 0 stack #define A11_C0_STACK_END (A11_C0_STACK_START + 0x2000) #define A11_C1_STACK_START (A11_C0_STACK_END) // Core 1 stack #define A11_C1_STACK_END (A11_C1_STACK_START + 0x2000) // WARNING: The stacks for core 2/3 are temporary #define A11_C2_STACK_START (FCRAM_BASE - 0x600) // Core 2 stack #define A11_C2_STACK_END (FCRAM_BASE - 0x400) #define A11_C3_STACK_START (FCRAM_BASE - 0x400) // Core 3 stack #define A11_C3_STACK_END (FCRAM_BASE - 0x200) #define A11_EXC_STACK_START (VRAM_BASE + VRAM_SIZE - 0x200000) #define A11_EXC_STACK_END (VRAM_BASE + VRAM_SIZE - 0x100000) #define A11_MMU_TABLES_BASE (A11_C1_STACK_END) #define A11_VECTORS_START (AXIWRAM_BASE + AXIWRAM_SIZE - 0x60) #define A11_VECTORS_SIZE (0x60) #define A11_FALLBACK_ENTRY (AXIWRAM_BASE + AXIWRAM_SIZE - 0x4) #define A11_STUB_ENTRY (AXIWRAM_BASE + AXIWRAM_SIZE - 0x200) #define A11_STUB_SIZE (0x1A0) // Don't overwrite the vectors #define A11_HEAP_END (AXIWRAM_BASE + AXIWRAM_SIZE) #endif