100 lines
2.7 KiB
C++
100 lines
2.7 KiB
C++
/*
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* Copyright (c) Souldbminer, Lightos and Horizon OC Contributors
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* 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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*/
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#include <switch.h>
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#include "../file/file_utils.hpp"
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Result QueryMemoryMapping(u64 *virtaddr, u64 physaddr, u64 size) {
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if (hosversionAtLeast(10, 0, 0)) {
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u64 out_size;
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return svcQueryMemoryMapping(virtaddr, &out_size, physaddr, size);
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} else {
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return svcLegacyQueryIoMapping(virtaddr, physaddr, size);
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}
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}
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Result MapAddress(u64 &va, const u64 &physAddr, const char *name) {
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Result mapResult = QueryMemoryMapping(&va, physAddr, 0x1000);
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if (R_FAILED(mapResult)) {
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fileUtils::LogLine("Failed to map %s! %u", name, R_DESCRIPTION(mapResult));
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}
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return mapResult;
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}
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Result SmcCopyFromIram(void *dest, uintptr_t src, u32 size) {
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SecmonArgs args;
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args.X[0] = 0xF0000201;
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args.X[1] = (u64)dest;
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args.X[2] = (u64)src;
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args.X[3] = size;
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args.X[4] = 0;
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svcCallSecureMonitor(&args);
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Result rc = 0;
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if (args.X[0] != 0) {
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rc = (26u | ((u32)args.X[0] << 9u));
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}
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return rc;
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}
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Result SmcCopyToIram(uintptr_t dest, const void *src, u32 size) {
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SecmonArgs args;
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args.X[0] = 0xF0000201;
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args.X[1] = (u64)src;
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args.X[2] = (u64)dest;
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args.X[3] = size;
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args.X[4] = 1;
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svcCallSecureMonitor(&args);
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Result rc = 0;
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if (args.X[0] != 0) {
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rc = (26u | ((u32)args.X[0] << 9u));
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}
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return rc;
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}
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bool IsPatchedExosphere() {
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static bool checked = false;
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static bool patched = false;
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if (!checked) {
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constexpr u64 EvpPhysBase = 0x6000F000;
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constexpr u64 EvpCopResetVector = 0x200;
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SecmonArgs args = {};
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args.X[0] = 0xF0000002;
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args.X[1] = EvpPhysBase + EvpCopResetVector;
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args.X[2] = 0;
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args.X[3] = 0;
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svcCallSecureMonitor(&args);
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patched = (args.X[0] == 0);
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checked = true;
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}
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return patched;
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}
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u32 SmcReadWriteRegister(u64 phys_addr, u32 mask, u32 value) {
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SecmonArgs args = {};
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args.X[0] = 0xF0000002;
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args.X[1] = phys_addr;
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args.X[2] = mask;
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args.X[3] = value;
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svcCallSecureMonitor(&args);
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return (u32)args.X[1];
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} |