mirror of
https://github.com/Atmosphere-NX/Atmosphere
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105 lines
4 KiB
C++
105 lines
4 KiB
C++
/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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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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#include <mesosphere.hpp>
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namespace ams::kern::svc {
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/* ============================= Common ============================= */
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namespace {
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Result SetHeapSize(uintptr_t *out_address, size_t size) {
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/* Validate size. */
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R_UNLESS(util::IsAligned(size, ams::svc::HeapSizeAlignment), svc::ResultInvalidSize());
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R_UNLESS(size < ams::kern::MainMemorySize, svc::ResultInvalidSize());
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/* Set the heap size. */
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KProcessAddress address;
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R_TRY(GetCurrentProcess().GetPageTable().SetHeapSize(std::addressof(address), size));
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/* Set the output. */
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*out_address = GetInteger(address);
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return ResultSuccess();
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}
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Result SetUnsafeLimit(size_t limit) {
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/* Ensure the size is aligned. */
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R_UNLESS(util::IsAligned(limit, PageSize), svc::ResultInvalidSize());
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/* Ensure that the size is not bigger than we can accommodate. */
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R_UNLESS(limit <= Kernel::GetMemoryManager().GetSize(KMemoryManager::Pool_Unsafe), svc::ResultOutOfRange());
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/* Set the size. */
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return Kernel::GetUnsafeMemory().SetLimitSize(limit);
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}
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}
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/* ============================= 64 ABI ============================= */
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Result SetHeapSize64(ams::svc::Address *out_address, ams::svc::Size size) {
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static_assert(sizeof(*out_address) == sizeof(uintptr_t));
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return SetHeapSize(reinterpret_cast<uintptr_t *>(out_address), size);
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}
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Result MapPhysicalMemory64(ams::svc::Address address, ams::svc::Size size) {
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MESOSPHERE_PANIC("Stubbed SvcMapPhysicalMemory64 was called.");
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}
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Result UnmapPhysicalMemory64(ams::svc::Address address, ams::svc::Size size) {
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MESOSPHERE_PANIC("Stubbed SvcUnmapPhysicalMemory64 was called.");
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}
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Result MapPhysicalMemoryUnsafe64(ams::svc::Address address, ams::svc::Size size) {
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MESOSPHERE_PANIC("Stubbed SvcMapPhysicalMemoryUnsafe64 was called.");
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}
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Result UnmapPhysicalMemoryUnsafe64(ams::svc::Address address, ams::svc::Size size) {
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MESOSPHERE_PANIC("Stubbed SvcUnmapPhysicalMemoryUnsafe64 was called.");
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}
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Result SetUnsafeLimit64(ams::svc::Size limit) {
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return SetUnsafeLimit(limit);
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}
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/* ============================= 64From32 ABI ============================= */
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Result SetHeapSize64From32(ams::svc::Address *out_address, ams::svc::Size size) {
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static_assert(sizeof(*out_address) == sizeof(uintptr_t));
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return SetHeapSize(reinterpret_cast<uintptr_t *>(out_address), size);
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}
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Result MapPhysicalMemory64From32(ams::svc::Address address, ams::svc::Size size) {
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MESOSPHERE_PANIC("Stubbed SvcMapPhysicalMemory64From32 was called.");
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}
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Result UnmapPhysicalMemory64From32(ams::svc::Address address, ams::svc::Size size) {
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MESOSPHERE_PANIC("Stubbed SvcUnmapPhysicalMemory64From32 was called.");
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}
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Result MapPhysicalMemoryUnsafe64From32(ams::svc::Address address, ams::svc::Size size) {
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MESOSPHERE_PANIC("Stubbed SvcMapPhysicalMemoryUnsafe64From32 was called.");
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}
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Result UnmapPhysicalMemoryUnsafe64From32(ams::svc::Address address, ams::svc::Size size) {
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MESOSPHERE_PANIC("Stubbed SvcUnmapPhysicalMemoryUnsafe64From32 was called.");
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}
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Result SetUnsafeLimit64From32(ams::svc::Size limit) {
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return SetUnsafeLimit(limit);
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}
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}
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