413 lines
14 KiB
C
413 lines
14 KiB
C
/*
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* This file is part of Luma3DS
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* Copyright (C) 2016-2020 Aurora Wright, TuxSH
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* Additional Terms 7.b and 7.c of GPLv3 apply to this file:
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* * Requiring preservation of specified reasonable legal notices or
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* author attributions in that material or in the Appropriate Legal
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* Notices displayed by works containing it.
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* * Prohibiting misrepresentation of the origin of that material,
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* or requiring that modified versions of such material be marked in
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* reasonable ways as different from the original version.
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*/
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/* This file was mostly written by fincs */
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#include <3ds.h>
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#include "hbloader.h"
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#include "3dsx.h"
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#include "menu.h"
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#include "csvc.h"
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#include "memory.h"
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#include "gdb/server.h"
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#include "pmdbgext.h"
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extern GDBContext *nextApplicationGdbCtx;
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extern GDBServer gdbServer;
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static const char serviceList[32][8] =
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{
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"APT:U",
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"ac:u",
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"am:net",
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"boss:P",
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"cam:u",
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"cfg:nor",
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"cfg:u",
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"csnd:SND",
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"dsp::DSP",
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"fs:USER",
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"gsp::Lcd",
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"gsp::Gpu",
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"hid:USER",
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"http:C",
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"ir:USER",
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"ir:rst",
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"ir:u",
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"ldr:ro",
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"mic:u",
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"ndm:u",
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"news:s",
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"nim:s",
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"ns:s",
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"nwm::UDS",
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"nwm::EXT",
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"ptm:u",
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"ptm:sysm",
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"pxi:dev",
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"qtm:u",
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"soc:U",
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"ssl:C",
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"y2r:u",
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};
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static const u64 dependencyListNativeFirm[] =
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{
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0x0004013000002402LL, //ac
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0x0004013000001502LL, //am
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0x0004013000001702LL, //cfg
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0x0004013000001802LL, //codec
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0x0004013000002702LL, //csnd
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0x0004013000001A02LL, //dsp
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0x0004013000001B02LL, //gpio
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0x0004013000001C02LL, //gsp
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0x0004013000001D02LL, //hid
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0x0004013000002902LL, //http
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0x0004013000001E02LL, //i2c
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0x0004013000003302LL, //ir
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0x0004013000001F02LL, //mcu
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0x0004013000002C02LL, //nim
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0x0004013000002D02LL, //nwm
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0x0004013000002102LL, //pdn
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0x0004013000003102LL, //ps
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0x0004013000002202LL, //ptm
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0x0004013000002E02LL, //socket
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0x0004013000002302LL, //spi
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0x0004013000002F02LL, //ssl
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// Not present on SAFE_FIRM:
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0x0004013000003402LL, //boss
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0x0004013000001602LL, //camera
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0x0004013000002802LL, //dlp
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0x0004013000002002LL, //mic
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0x0004013000002B02LL, //ndm
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0x0004013000003502LL, //news
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0x0004013000003702LL, //ro
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};
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static const u64 dependencyListSafeFirm[] =
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{
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0x0004013000002403LL, //ac
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0x0004013000001503LL, //am
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0x0004013000001703LL, //cfg
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0x0004013000001803LL, //codec
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0x0004013000002703LL, //csnd
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0x0004013000001A03LL, //dsp
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0x0004013000001B03LL, //gpio
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0x0004013000001C03LL, //gsp
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0x0004013000001D03LL, //hid
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0x0004013000002903LL, //http
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0x0004013000001E03LL, //i2c
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0x0004013000003303LL, //ir
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0x0004013000001F03LL, //mcu
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0x0004013000002C03LL, //nim
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0x0004013000002D03LL, //nwm
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0x0004013000002103LL, //pdn
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0x0004013000003103LL, //ps
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0x0004013000002203LL, //ptm
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0x0004013000002E03LL, //socket
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0x0004013000002303LL, //spi
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0x0004013000002F03LL, //ssl
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0x0004013000003203LL, //friends (wouldn't be launched otherwise)
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};
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static const u32 kernelCaps[] =
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{
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0xFC00022C, // Kernel release version 8.0 is necessary for using the new linear mapping. Modified below.
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0xFF81FF50, // RW static mapping: 0x1FF50000
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0xFF81FF58, // RW static mapping: 0x1FF58000
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0xFF81FF70, // RW static mapping: 0x1FF70000
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0xFF81FF78, // RW static mapping: 0x1FF78000
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0xFF91F000, // RO static mapping: 0x1F000000
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0xFF91F600, // RO static mapping: 0x1F600000
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0xFF002109, // Exflags: APPLICATION memtype + "Shared page writing" + "Allow debug" + "Access core2"
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0xFE000200, // Handle table size: 0x200
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};
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static u16 hbldrTarget[PATH_MAX+1];
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static u16 *u16_strncpy(u16 *dest, const u16 *src, u32 size)
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{
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u32 i;
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for (i = 0; i < size && src[i] != 0; i++)
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dest[i] = src[i];
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while (i < size)
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dest[i++] = 0;
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return dest;
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}
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void HBLDR_RestartHbApplication(void *p)
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{
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(void)p;
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// Don't crash if we fail
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FS_ProgramInfo programInfo;
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u32 pid;
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u32 launchFlags;
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Result res = PMDBG_GetCurrentAppInfo(&programInfo, &pid, &launchFlags);
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if (R_FAILED(res)) return;
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res = PMDBG_PrepareToChainloadHomebrew(programInfo.programId);
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if (R_FAILED(res)) return;
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res = PMAPP_TerminateCurrentApplication(3 * 1000 * 1000 *1000LL); // 3s, like what NS uses
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if (R_FAILED(res)) return;
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if (R_SUCCEEDED(res))
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{
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do
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{
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svcSleepThread(100 * 1000 * 1000LL);
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res = PMAPP_LaunchTitle(&programInfo, PMLAUNCHFLAGEXT_FAKE_DEPENDENCY_LOADING | launchFlags);
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} while (res == (Result)0xC8A05BF0);
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}
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}
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void HBLDR_HandleCommands(void *ctx)
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{
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(void)ctx;
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Result res = 0;
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IFile file;
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u32 *cmdbuf = getThreadCommandBuffer();
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switch (cmdbuf[0] >> 16)
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{
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case 1: // LoadProcess
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{
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if (cmdbuf[0] != IPC_MakeHeader(1, 6, 0))
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{
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error(cmdbuf, 0xD9001830);
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break;
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}
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u32 baseAddr = cmdbuf[1];
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u32 flags = cmdbuf[2] & 0xF00;
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u64 tid = (u64)cmdbuf[3] | ((u64)cmdbuf[4]<<32);
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char name[8];
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memcpy(name, &cmdbuf[5], sizeof(name));
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if (hbldrTarget[0] == 0)
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{
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u16_strncpy(hbldrTarget, u"/boot.3dsx", PATH_MAX);
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ldrArgvBuf[0] = 1;
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strncpy((char*)&ldrArgvBuf[1], "sdmc:/boot.3dsx", sizeof(ldrArgvBuf)-4);
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}
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res = IFile_Open(&file, ARCHIVE_SDMC, fsMakePath(PATH_EMPTY, ""), fsMakePath(PATH_UTF16, hbldrTarget), FS_OPEN_READ);
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hbldrTarget[0] = 0;
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if (R_FAILED(res))
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{
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error(cmdbuf, res);
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break;
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}
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u32 totalSize = 0;
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res = Ldr_Get3dsxSize(&totalSize, &file);
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if (R_FAILED(res))
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{
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IFile_Close(&file);
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error(cmdbuf, res);
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break;
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}
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// note: mappableFree doesn't do anything
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u32 tmp = 0;
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u32 *addr = mappableAlloc(totalSize);
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res = svcControlMemoryEx(&tmp, (u32)addr, 0, totalSize, MEMOP_ALLOC | flags, MEMPERM_READ | MEMPERM_WRITE, true);
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if (R_FAILED(res))
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{
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IFile_Close(&file);
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error(cmdbuf, res);
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break;
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}
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Handle hCodeset = Ldr_CodesetFrom3dsx(name, addr, baseAddr, &file, tid);
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IFile_Close(&file);
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if (!hCodeset)
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{
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svcControlMemory(&tmp, (u32)addr, 0, totalSize, MEMOP_FREE, 0);
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error(cmdbuf, MAKERESULT(RL_PERMANENT, RS_INTERNAL, RM_LDR, RD_NOT_FOUND));
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break;
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}
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cmdbuf[0] = IPC_MakeHeader(1, 1, 2);
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cmdbuf[1] = 0;
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cmdbuf[2] = IPC_Desc_MoveHandles(1);
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cmdbuf[3] = hCodeset;
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break;
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}
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case 2: // SetTarget
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{
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if (cmdbuf[0] != IPC_MakeHeader(2, 0, 2) || (cmdbuf[1] & 0x3FFF) != 0x0002)
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{
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error(cmdbuf, 0xD9001830);
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break;
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}
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ssize_t units = utf8_to_utf16(hbldrTarget, (const uint8_t*)cmdbuf[2], PATH_MAX);
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if (units < 0 || units > PATH_MAX)
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{
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hbldrTarget[0] = 0;
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error(cmdbuf, 0xD9001830);
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break;
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}
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hbldrTarget[units] = 0;
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cmdbuf[0] = IPC_MakeHeader(2, 1, 0);
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cmdbuf[1] = 0;
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break;
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}
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case 3: // SetArgv
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{
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if (cmdbuf[0] != IPC_MakeHeader(3, 0, 2) || (cmdbuf[1] & 0x3FFF) != (0x2 | (1<<10)))
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{
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error(cmdbuf, 0xD9001830);
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break;
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}
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// No need to do anything - the kernel already copied the data to our buffer
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cmdbuf[0] = IPC_MakeHeader(3, 1, 0);
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cmdbuf[1] = 0;
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break;
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}
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case 4: // PatchExHeaderInfo
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{
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if (cmdbuf[0] != IPC_MakeHeader(4, 0, 2) || cmdbuf[1] != IPC_Desc_Buffer(sizeof(ExHeader_Info), IPC_BUFFER_RW))
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{
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error(cmdbuf, 0xD9001830);
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break;
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}
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// Perform ExHeader patches
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ExHeader_Info* exhi = (ExHeader_Info*)cmdbuf[2];
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u32 stacksize = 4096; // 3dsx/libctru don't require anymore than this
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memcpy(exhi->sci.codeset_info.name, "3dsx_app", 8);
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memcpy(&exhi->sci.codeset_info.stack_size, &stacksize, 4);
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memset(&exhi->sci.dependencies, 0, sizeof(exhi->sci.dependencies));
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u32 coreVer = OS_KernelConfig->kernel_syscore_ver;
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if (coreVer == 2)
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memcpy(exhi->sci.dependencies, dependencyListNativeFirm, sizeof(dependencyListNativeFirm));
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else if (coreVer == 3)
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memcpy(exhi->sci.dependencies, dependencyListSafeFirm, sizeof(dependencyListSafeFirm));
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ExHeader_Arm11SystemLocalCapabilities* localcaps0 = &exhi->aci.local_caps;
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localcaps0->core_info.core_version = coreVer;
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localcaps0->core_info.use_cpu_clockrate_804MHz = false;
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localcaps0->core_info.enable_l2c = false;
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localcaps0->core_info.ideal_processor = 0;
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localcaps0->core_info.affinity_mask = BIT(0);
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localcaps0->core_info.priority = 0x30;
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u32 appmemtype = OS_KernelConfig->app_memtype;
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localcaps0->core_info.o3ds_system_mode = appmemtype < 6 ? (SystemMode)appmemtype : SYSMODE_O3DS_PROD;
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localcaps0->core_info.n3ds_system_mode = appmemtype >= 6 ? (SystemMode)(appmemtype - 6 + 1) : SYSMODE_N3DS_PROD;
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memset(localcaps0->reslimits, 0, sizeof(localcaps0->reslimits));
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// Set mode1 preemption mode for core1, max. 89% of CPU time (default 0, requires a APT_SetAppCpuTimeLimit call)
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// See the big comment in sysmodules/pm/source/reslimit.c for technical details.
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localcaps0->reslimits[0] = BIT(7) | 89;
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localcaps0->storage_info.fs_access_info = 0xFFFFFFFF; // Give access to everything
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localcaps0->storage_info.no_romfs = true;
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localcaps0->storage_info.use_extended_savedata_access = true; // Whatever
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// We have a patched SM, so whatever...
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memset(localcaps0->service_access, 0, sizeof(localcaps0->service_access));
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memcpy(localcaps0->service_access, serviceList, sizeof(serviceList));
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localcaps0->reslimit_category = RESLIMIT_CATEGORY_APPLICATION;
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ExHeader_Arm11KernelCapabilities* kcaps0 = &exhi->aci.kernel_caps;
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memset(kcaps0->descriptors, 0xFF, sizeof(kcaps0->descriptors));
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memcpy(kcaps0->descriptors, kernelCaps, sizeof(kernelCaps));
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// Set kernel release version to the current kernel version
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kcaps0->descriptors[0] = 0xFC000000 | (osGetKernelVersion() >> 16);
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if (GET_VERSION_MINOR(osGetKernelVersion()) >= 50 && coreVer == 2) // 9.6+ NFIRM
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{
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u64 lastdep = sizeof(dependencyListNativeFirm)/8;
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exhi->sci.dependencies[lastdep++] = 0x0004013000004002ULL; // nfc
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strncpy((char*)&localcaps0->service_access[0x20], "nfc:u", 8);
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s64 dummy = 0;
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bool isN3DS = svcGetSystemInfo(&dummy, 0x10001, 0) == 0;
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if (isN3DS)
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{
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exhi->sci.dependencies[lastdep++] = 0x0004013020004102ULL; // mvd
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strncpy((char*)&localcaps0->service_access[0x21], "mvd:STD", 8);
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}
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}
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cmdbuf[0] = IPC_MakeHeader(4, 1, 2);
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cmdbuf[1] = 0;
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cmdbuf[2] = IPC_Desc_Buffer(sizeof(ExHeader_Info), IPC_BUFFER_RW);
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cmdbuf[3] = (u32)exhi;
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break;
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}
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case 5: // DebugNextApplicationByForce
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{
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res = 0;
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if (gdbServer.referenceCount == 0)
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res = MAKERESULT(RL_PERMANENT, RS_INVALIDSTATE, RM_LDR, RD_NOT_INITIALIZED);
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else if (cmdbuf[1] == 0)
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{
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GDB_LockAllContexts(&gdbServer);
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if (nextApplicationGdbCtx != NULL)
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res = MAKERESULT(RL_PERMANENT, RS_NOP, RM_LDR, RD_ALREADY_DONE);
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else
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{
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nextApplicationGdbCtx = GDB_SelectAvailableContext(&gdbServer, GDB_PORT_BASE + 3, GDB_PORT_BASE + 4);
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if (nextApplicationGdbCtx != NULL)
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{
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nextApplicationGdbCtx->debug = 0;
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nextApplicationGdbCtx->pid = 0xFFFFFFFF;
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res = PMDBG_DebugNextApplicationByForce(true);
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if (R_FAILED(res))
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{
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nextApplicationGdbCtx->flags = 0;
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nextApplicationGdbCtx->localPort = 0;
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nextApplicationGdbCtx = NULL;
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}
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}
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else
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res = MAKERESULT(RL_PERMANENT, RS_OUTOFRESOURCE, RM_LDR, RD_OUT_OF_RANGE);
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}
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GDB_UnlockAllContexts(&gdbServer);
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}
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cmdbuf[1] = res;
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cmdbuf[0] = IPC_MakeHeader(5, 1, 0);
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break;
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}
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default:
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{
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error(cmdbuf, 0xD900182F);
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break;
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}
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}
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}
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