Split the core project into core/kernel/services as it's become a behemoth.

2023-11-14 20:44:10 +00:00
parent a134e924ff
commit b3bb5243e8
743 changed files with 2844 additions and 2742 deletions
@@ -0,0 +1,60 @@
+// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <array>
+
+#include "common/assert.h"
+#include "common/literals.h"
+#include "kernel/k_address_space_info.h"
+
+namespace Kernel {
+
+namespace {
+
+using namespace Common::Literals;
+
+constexpr u64 Size_Invalid = UINT64_MAX;
+
+// clang-format off
+constexpr std::array<KAddressSpaceInfo, 13> AddressSpaceInfos{{
+   { .bit_width = 32, .address = 2_MiB       , .size = 1_GiB   - 2_MiB  , .type = KAddressSpaceInfo::Type::MapSmall, },
+   { .bit_width = 32, .address = 1_GiB       , .size = 4_GiB   - 1_GiB  , .type = KAddressSpaceInfo::Type::MapLarge, },
+   { .bit_width = 32, .address = Size_Invalid, .size = 1_GiB            , .type = KAddressSpaceInfo::Type::Alias,    },
+   { .bit_width = 32, .address = Size_Invalid, .size = 1_GiB            , .type = KAddressSpaceInfo::Type::Heap,     },
+   { .bit_width = 36, .address = 128_MiB     , .size = 2_GiB   - 128_MiB, .type = KAddressSpaceInfo::Type::MapSmall, },
+   { .bit_width = 36, .address = 2_GiB       , .size = 64_GiB  - 2_GiB  , .type = KAddressSpaceInfo::Type::MapLarge, },
+   { .bit_width = 36, .address = Size_Invalid, .size = 8_GiB            , .type = KAddressSpaceInfo::Type::Heap,     },
+   { .bit_width = 36, .address = Size_Invalid, .size = 6_GiB            , .type = KAddressSpaceInfo::Type::Alias,    },
+#ifdef ANDROID
+   // With Android, we use a 38-bit address space due to memory limitations. This should (safely) truncate ASLR region.
+   { .bit_width = 39, .address = 128_MiB     , .size = 256_GiB - 128_MiB, .type = KAddressSpaceInfo::Type::Map39Bit, },
+#else
+   { .bit_width = 39, .address = 128_MiB     , .size = 512_GiB - 128_MiB, .type = KAddressSpaceInfo::Type::Map39Bit, },
+#endif
+   { .bit_width = 39, .address = Size_Invalid, .size = 64_GiB           , .type = KAddressSpaceInfo::Type::MapSmall  },
+   { .bit_width = 39, .address = Size_Invalid, .size = 8_GiB            , .type = KAddressSpaceInfo::Type::Heap,     },
+   { .bit_width = 39, .address = Size_Invalid, .size = 64_GiB           , .type = KAddressSpaceInfo::Type::Alias,    },
+   { .bit_width = 39, .address = Size_Invalid, .size = 2_GiB            , .type = KAddressSpaceInfo::Type::Stack,    },
+}};
+// clang-format on
+
+const KAddressSpaceInfo& GetAddressSpaceInfo(size_t width, KAddressSpaceInfo::Type type) {
+    for (auto& info : AddressSpaceInfos) {
+        if (info.bit_width == width && info.type == type) {
+            return info;
+        }
+    }
+    UNREACHABLE_MSG("Could not find AddressSpaceInfo");
+}
+
+} // namespace
+
+std::size_t KAddressSpaceInfo::GetAddressSpaceStart(size_t width, KAddressSpaceInfo::Type type) {
+    return GetAddressSpaceInfo(width, type).address;
+}
+
+std::size_t KAddressSpaceInfo::GetAddressSpaceSize(size_t width, KAddressSpaceInfo::Type type) {
+    return GetAddressSpaceInfo(width, type).size;
+}
+
+} // namespace Kernel