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Atmosphere/libraries/libstratosphere/source/spl/smc/spl_smc.cpp
Michael Scire 0105455086 git subrepo clone https://github.com/Atmosphere-NX/Atmosphere-libs libraries 
subrepo:
  subdir:   "libraries"
  merged:   "07af583b"
upstream:
  origin:   "https://github.com/Atmosphere-NX/Atmosphere-libs"
  branch:   "master"
  commit:   "07af583b"
git-subrepo:
  version:  "0.4.0"
  origin:   "https://github.com/ingydotnet/git-subrepo"
  commit:   "5d6aba9"
2019-12-09 18:54:29 -08:00

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/*
* Copyright (c) 2018-2019 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/>.
*/
#include <stratosphere.hpp>
namespace ams::spl::smc {
Result SetConfig(SplConfigItem which, const u64 *value, size_t num_qwords) {
SecmonArgs args;
args.X[0] = static_cast<u64>(FunctionId::SetConfig);
args.X[1] = which;
args.X[2] = 0;
for (size_t i = 0; i < std::min(size_t(4), num_qwords); i++) {
args.X[3 + i] = value[i];
}
svcCallSecureMonitor(&args);
return static_cast<Result>(args.X[0]);
}
Result GetConfig(u64 *out, size_t num_qwords, SplConfigItem which) {
SecmonArgs args;
args.X[0] = static_cast<u64>(FunctionId::GetConfig);
args.X[1] = which;
svcCallSecureMonitor(&args);
for (size_t i = 0; i < std::min(size_t(4), num_qwords); i++) {
out[i] = args.X[1 + i];
}
return static_cast<Result>(args.X[0]);
}
Result CheckStatus(Result *out, AsyncOperationKey op) {
SecmonArgs args;
args.X[0] = static_cast<u64>(FunctionId::CheckStatus);
args.X[1] = op.value;
svcCallSecureMonitor(&args);
*out = static_cast<Result>(args.X[1]);
return static_cast<Result>(args.X[0]);
}
Result GetResult(Result *out, void *out_buf, size_t out_buf_size, AsyncOperationKey op) {
SecmonArgs args;
args.X[0] = static_cast<u64>(FunctionId::GetResult);
args.X[1] = op.value;
args.X[2] = reinterpret_cast<u64>(out_buf);
args.X[3] = out_buf_size;
svcCallSecureMonitor(&args);
*out = static_cast<Result>(args.X[1]);
return static_cast<Result>(args.X[0]);
}
Result ExpMod(AsyncOperationKey *out_op, const void *base, const void *exp, size_t exp_size, const void *mod) {
SecmonArgs args;
args.X[0] = static_cast<u64>(FunctionId::ExpMod);
args.X[1] = reinterpret_cast<u64>(base);
args.X[2] = reinterpret_cast<u64>(exp);
args.X[3] = reinterpret_cast<u64>(mod);
args.X[4] = exp_size;
svcCallSecureMonitor(&args);
out_op->value = args.X[1];
return static_cast<Result>(args.X[0]);
}
Result GenerateRandomBytes(void *out, size_t size) {
SecmonArgs args;
args.X[0] = static_cast<u64>(FunctionId::GenerateRandomBytes);
args.X[1] = size;
svcCallSecureMonitor(&args);
if (args.X[0] == static_cast<u64>(Result::Success) && (size <= sizeof(args) - sizeof(args.X[0]))) {
std::memcpy(out, &args.X[1], size);
}
return static_cast<Result>(args.X[0]);
}
Result GenerateAesKek(AccessKey *out, const KeySource &source, u32 generation, u32 option) {
SecmonArgs args;
args.X[0] = static_cast<u64>(FunctionId::GenerateAesKek);
args.X[1] = source.data64[0];
args.X[2] = source.data64[1];
args.X[3] = generation;
args.X[4] = option;
svcCallSecureMonitor(&args);
out->data64[0] = args.X[1];
out->data64[1] = args.X[2];
return static_cast<Result>(args.X[0]);
}
Result LoadAesKey(u32 keyslot, const AccessKey &access_key, const KeySource &source) {
SecmonArgs args;
args.X[0] = static_cast<u64>(FunctionId::LoadAesKey);
args.X[1] = keyslot;
args.X[2] = access_key.data64[0];
args.X[3] = access_key.data64[1];
args.X[4] = source.data64[0];
args.X[5] = source.data64[1];
svcCallSecureMonitor(&args);
return static_cast<Result>(args.X[0]);
}
Result CryptAes(AsyncOperationKey *out_op, u32 mode, const IvCtr &iv_ctr, u32 dst_addr, u32 src_addr, size_t size) {
SecmonArgs args;
args.X[0] = static_cast<u64>(FunctionId::CryptAes);
args.X[1] = mode;
args.X[2] = iv_ctr.data64[0];
args.X[3] = iv_ctr.data64[1];
args.X[4] = src_addr;
args.X[5] = dst_addr;
args.X[6] = size;
svcCallSecureMonitor(&args);
out_op->value = args.X[1];
return static_cast<Result>(args.X[0]);
}
Result GenerateSpecificAesKey(AesKey *out_key, const KeySource &source, u32 generation, u32 which) {
SecmonArgs args;
args.X[0] = static_cast<u64>(FunctionId::GenerateSpecificAesKey);
args.X[1] = source.data64[0];
args.X[2] = source.data64[1];
args.X[3] = generation;
args.X[4] = which;
svcCallSecureMonitor(&args);
out_key->data64[0] = args.X[1];
out_key->data64[1] = args.X[2];
return static_cast<Result>(args.X[0]);
}
Result ComputeCmac(Cmac *out_mac, u32 keyslot, const void *data, size_t size) {
SecmonArgs args;
args.X[0] = static_cast<u64>(FunctionId::ComputeCmac);
args.X[1] = keyslot;
args.X[2] = reinterpret_cast<u64>(data);
args.X[3] = size;
svcCallSecureMonitor(&args);
out_mac->data64[0] = args.X[1];
out_mac->data64[1] = args.X[2];
return static_cast<Result>(args.X[0]);
}
Result ReEncryptRsaPrivateKey(void *data, size_t size, const AccessKey &access_key_dec, const KeySource &source_dec, const AccessKey &access_key_enc, const KeySource &source_enc, u32 option) {
SecmonArgs args;
args.X[0] = static_cast<u64>(FunctionId::ReEncryptRsaPrivateKey);
args.X[1] = reinterpret_cast<u64>(&access_key_dec);
args.X[2] = reinterpret_cast<u64>(&access_key_enc);
args.X[3] = option;
args.X[4] = reinterpret_cast<u64>(data);
args.X[5] = size;
args.X[6] = reinterpret_cast<u64>(&source_dec);
args.X[7] = reinterpret_cast<u64>(&source_enc);
svcCallSecureMonitor(&args);
return static_cast<Result>(args.X[0]);
}
Result DecryptOrImportRsaPrivateKey(void *data, size_t size, const AccessKey &access_key, const KeySource &source, DecryptOrImportMode mode) {
SecmonArgs args;
args.X[0] = static_cast<u64>(FunctionId::DecryptOrImportRsaPrivateKey);
args.X[1] = access_key.data64[0];
args.X[2] = access_key.data64[1];
args.X[3] = static_cast<u32>(mode);
args.X[4] = reinterpret_cast<u64>(data);
args.X[5] = size;
args.X[6] = source.data64[0];
args.X[7] = source.data64[1];
svcCallSecureMonitor(&args);
return static_cast<Result>(args.X[0]);
}
Result SecureExpMod(AsyncOperationKey *out_op, const void *base, const void *mod, SecureExpModMode mode) {
SecmonArgs args;
args.X[0] = static_cast<u64>(FunctionId::SecureExpMod);
args.X[1] = reinterpret_cast<u64>(base);
args.X[2] = reinterpret_cast<u64>(mod);
args.X[3] = static_cast<u32>(mode);
svcCallSecureMonitor(&args);
out_op->value = args.X[1];
return static_cast<Result>(args.X[0]);
}
Result UnwrapTitleKey(AsyncOperationKey *out_op, const void *base, const void *mod, const void *label_digest, size_t label_digest_size, u32 option) {
SecmonArgs args;
args.X[0] = static_cast<u64>(FunctionId::UnwrapTitleKey);
args.X[1] = reinterpret_cast<u64>(base);
args.X[2] = reinterpret_cast<u64>(mod);
std::memset(&args.X[3], 0, 4 * sizeof(args.X[3]));
std::memcpy(&args.X[3], label_digest, std::min(size_t(4 * sizeof(args.X[3])), label_digest_size));
args.X[7] = option;
svcCallSecureMonitor(&args);
out_op->value = args.X[1];
return static_cast<Result>(args.X[0]);
}
Result LoadTitleKey(u32 keyslot, const AccessKey &access_key) {
SecmonArgs args;
args.X[0] = static_cast<u64>(FunctionId::LoadTitleKey);
args.X[1] = keyslot;
args.X[2] = access_key.data64[0];
args.X[3] = access_key.data64[1];
svcCallSecureMonitor(&args);
return static_cast<Result>(args.X[0]);
}
Result UnwrapCommonTitleKey(AccessKey *out, const KeySource &source, u32 generation) {
SecmonArgs args;
args.X[0] = static_cast<u64>(FunctionId::UnwrapCommonTitleKey);
args.X[1] = source.data64[0];
args.X[2] = source.data64[1];
args.X[3] = generation;
svcCallSecureMonitor(&args);
out->data64[0] = args.X[1];
out->data64[1] = args.X[2];
return static_cast<Result>(args.X[0]);
}
/* Deprecated functions. */
Result ImportEsKey(const void *data, size_t size, const AccessKey &access_key, const KeySource &source, u32 option) {
SecmonArgs args;
args.X[0] = static_cast<u64>(FunctionId::ImportEsKey);
args.X[1] = access_key.data64[0];
args.X[2] = access_key.data64[1];
args.X[3] = option;
args.X[4] = reinterpret_cast<u64>(data);
args.X[5] = size;
args.X[6] = source.data64[0];
args.X[7] = source.data64[1];
svcCallSecureMonitor(&args);
return static_cast<Result>(args.X[0]);
}
Result DecryptRsaPrivateKey(size_t *out_size, void *data, size_t size, const AccessKey &access_key, const KeySource &source, u32 option) {
SecmonArgs args;
args.X[0] = static_cast<u64>(FunctionId::DecryptRsaPrivateKey);
args.X[1] = access_key.data64[0];
args.X[2] = access_key.data64[1];
args.X[3] = option;
args.X[4] = reinterpret_cast<u64>(data);
args.X[5] = size;
args.X[6] = source.data64[0];
args.X[7] = source.data64[1];
svcCallSecureMonitor(&args);
*out_size = static_cast<size_t>(args.X[1]);
return static_cast<Result>(args.X[0]);
}
Result ImportSecureExpModKey(const void *data, size_t size, const AccessKey &access_key, const KeySource &source, u32 option) {
SecmonArgs args;
args.X[0] = static_cast<u64>(FunctionId::ImportSecureExpModKey);
args.X[1] = access_key.data64[0];
args.X[2] = access_key.data64[1];
args.X[3] = option;
args.X[4] = reinterpret_cast<u64>(data);
args.X[5] = size;
args.X[6] = source.data64[0];
args.X[7] = source.data64[1];
svcCallSecureMonitor(&args);
return static_cast<Result>(args.X[0]);
}
/* Atmosphere functions. */
namespace {
enum class IramCopyDirection {
FromIram = 0,
ToIram = 1,
};
inline Result AtmosphereIramCopy(uintptr_t dram_address, uintptr_t iram_address, size_t size, IramCopyDirection direction) {
SecmonArgs args;
args.X[0] = static_cast<u64>(FunctionId::AtmosphereIramCopy);
args.X[1] = dram_address;
args.X[2] = iram_address;
args.X[3] = size;
args.X[4] = static_cast<u64>(direction);
svcCallSecureMonitor(&args);
return static_cast<Result>(args.X[0]);
}
}
Result AtmosphereCopyToIram(uintptr_t iram_dst, const void *dram_src, size_t size) {
return AtmosphereIramCopy(reinterpret_cast<uintptr_t>(dram_src), iram_dst, size, IramCopyDirection::ToIram);
}
Result AtmosphereCopyFromIram(void *dram_dst, uintptr_t iram_src, size_t size) {
return AtmosphereIramCopy(reinterpret_cast<uintptr_t>(dram_dst), iram_src, size, IramCopyDirection::FromIram);
}
Result AtmosphereReadWriteRegister(uint64_t address, uint32_t mask, uint32_t value, uint32_t *out_value) {
SecmonArgs args;
args.X[0] = static_cast<u64>(FunctionId::AtmosphereReadWriteRegister);
args.X[1] = address;
args.X[2] = mask;
args.X[3] = value;
svcCallSecureMonitor(&args);
*out_value = static_cast<uint32_t>(args.X[1]);
return static_cast<Result>(args.X[0]);
}
Result AtmosphereWriteAddress(void *dst, const void *src, size_t size) {
AMS_ASSERT(size <= sizeof(u64));
SecmonArgs args;
args.X[0] = static_cast<u64>(FunctionId::AtmosphereWriteAddress);
args.X[1] = reinterpret_cast<uintptr_t>(dst);
__builtin_memcpy(&args.X[1], src, size);
args.X[3] = size;
svcCallSecureMonitor(&args);
return static_cast<Result>(args.X[0]);
}
Result AtmosphereGetEmummcConfig(void *out_config, void *out_paths, u32 storage_id) {
const u64 paths = reinterpret_cast<u64>(out_paths);
AMS_ASSERT(util::IsAligned(paths, os::MemoryPageSize));
SecmonArgs args = {};
args.X[0] = static_cast<u64>(FunctionId::AtmosphereGetEmummcConfig);
args.X[1] = storage_id;
args.X[2] = paths;
svcCallSecureMonitor(&args);
std::memcpy(out_config, &args.X[1], sizeof(args) - sizeof(args.X[0]));
return static_cast<Result>(args.X[0]);
}
}
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