From 241563d15c8b831a2d2b7c360d570cc721903d14 Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Sun, 3 Mar 2019 23:17:35 -0500
Subject: [PATCH 1/9] gpu: Move GPUVAddr definition to common_types.
---
src/common/common_types.h | 7 +++----
.../hle/service/nvdrv/devices/nvhost_as_gpu.cpp | 4 ++--
src/video_core/memory_manager.h | 3 ---
src/video_core/renderer_opengl/gl_buffer_cache.cpp | 4 ++--
src/video_core/renderer_opengl/gl_buffer_cache.h | 2 +-
src/video_core/renderer_opengl/gl_global_cache.cpp | 2 +-
src/video_core/renderer_opengl/gl_global_cache.h | 2 +-
.../renderer_opengl/gl_primitive_assembler.cpp | 3 +--
.../renderer_opengl/gl_primitive_assembler.h | 2 +-
src/video_core/renderer_opengl/gl_rasterizer.cpp | 8 ++++----
.../renderer_opengl/gl_rasterizer_cache.cpp | 13 ++++++-------
.../renderer_opengl/gl_rasterizer_cache.h | 6 +++---
src/video_core/renderer_opengl/gl_shader_cache.cpp | 4 ++--
src/video_core/renderer_vulkan/vk_buffer_cache.cpp | 3 +--
src/video_core/renderer_vulkan/vk_buffer_cache.h | 3 +--
src/yuzu/debugger/graphics/graphics_surface.cpp | 2 +-
src/yuzu/debugger/graphics/graphics_surface.h | 2 +-
17 files changed, 31 insertions(+), 39 deletions(-)
diff --git a/src/common/common_types.h b/src/common/common_types.h
index 6b1766dca..4cec89fbd 100644
--- a/src/common/common_types.h
+++ b/src/common/common_types.h
@@ -40,10 +40,9 @@ using s64 = std::int64_t; ///< 64-bit signed int
using f32 = float; ///< 32-bit floating point
using f64 = double; ///< 64-bit floating point
-// TODO: It would be nice to eventually replace these with strong types that prevent accidental
-// conversion between each other.
-using VAddr = u64; ///< Represents a pointer in the userspace virtual address space.
-using PAddr = u64; ///< Represents a pointer in the ARM11 physical address space.
+using VAddr = u64; ///< Represents a pointer in the userspace virtual address space.
+using PAddr = u64; ///< Represents a pointer in the ARM11 physical address space.
+using GPUVAddr = u64; ///< Represents a pointer in the GPU virtual address space.
using u128 = std::array<std::uint64_t, 2>;
static_assert(sizeof(u128) == 16, "u128 must be 128 bits wide");
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp b/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp
index b031ebc66..b7964d66e 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp
+++ b/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp
@@ -89,7 +89,7 @@ u32 nvhost_as_gpu::Remap(const std::vector<u8>& input, std::vector<u8>& output)
for (const auto& entry : entries) {
LOG_WARNING(Service_NVDRV, "remap entry, offset=0x{:X} handle=0x{:X} pages=0x{:X}",
entry.offset, entry.nvmap_handle, entry.pages);
- Tegra::GPUVAddr offset = static_cast<Tegra::GPUVAddr>(entry.offset) << 0x10;
+ GPUVAddr offset = static_cast<GPUVAddr>(entry.offset) << 0x10;
auto object = nvmap_dev->GetObject(entry.nvmap_handle);
if (!object) {
LOG_CRITICAL(Service_NVDRV, "nvmap {} is an invalid handle!", entry.nvmap_handle);
@@ -102,7 +102,7 @@ u32 nvhost_as_gpu::Remap(const std::vector<u8>& input, std::vector<u8>& output)
u64 size = static_cast<u64>(entry.pages) << 0x10;
ASSERT(size <= object->size);
- Tegra::GPUVAddr returned = gpu.MemoryManager().MapBufferEx(object->addr, offset, size);
+ GPUVAddr returned = gpu.MemoryManager().MapBufferEx(object->addr, offset, size);
ASSERT(returned == offset);
}
std::memcpy(output.data(), entries.data(), output.size());
diff --git a/src/video_core/memory_manager.h b/src/video_core/memory_manager.h
index 425e2f31c..bb87fa24d 100644
--- a/src/video_core/memory_manager.h
+++ b/src/video_core/memory_manager.h
@@ -13,9 +13,6 @@
namespace Tegra {
-/// Virtual addresses in the GPU's memory map are 64 bit.
-using GPUVAddr = u64;
-
class MemoryManager final {
public:
MemoryManager();
diff --git a/src/video_core/renderer_opengl/gl_buffer_cache.cpp b/src/video_core/renderer_opengl/gl_buffer_cache.cpp
index 5048ed6ce..f75c65825 100644
--- a/src/video_core/renderer_opengl/gl_buffer_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_buffer_cache.cpp
@@ -21,8 +21,8 @@ CachedBufferEntry::CachedBufferEntry(VAddr cpu_addr, std::size_t size, GLintptr
OGLBufferCache::OGLBufferCache(RasterizerOpenGL& rasterizer, std::size_t size)
: RasterizerCache{rasterizer}, stream_buffer(size, true) {}
-GLintptr OGLBufferCache::UploadMemory(Tegra::GPUVAddr gpu_addr, std::size_t size,
- std::size_t alignment, bool cache) {
+GLintptr OGLBufferCache::UploadMemory(GPUVAddr gpu_addr, std::size_t size, std::size_t alignment,
+ bool cache) {
auto& memory_manager = Core::System::GetInstance().GPU().MemoryManager();
// Cache management is a big overhead, so only cache entries with a given size.
diff --git a/src/video_core/renderer_opengl/gl_buffer_cache.h b/src/video_core/renderer_opengl/gl_buffer_cache.h
index 1de1f84ae..fc33aa433 100644
--- a/src/video_core/renderer_opengl/gl_buffer_cache.h
+++ b/src/video_core/renderer_opengl/gl_buffer_cache.h
@@ -58,7 +58,7 @@ public:
/// Uploads data from a guest GPU address. Returns host's buffer offset where it's been
/// allocated.
- GLintptr UploadMemory(Tegra::GPUVAddr gpu_addr, std::size_t size, std::size_t alignment = 4,
+ GLintptr UploadMemory(GPUVAddr gpu_addr, std::size_t size, std::size_t alignment = 4,
bool cache = true);
/// Uploads from a host memory. Returns host's buffer offset where it's been allocated.
diff --git a/src/video_core/renderer_opengl/gl_global_cache.cpp b/src/video_core/renderer_opengl/gl_global_cache.cpp
index c8dbcacbd..ac030cfc9 100644
--- a/src/video_core/renderer_opengl/gl_global_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_global_cache.cpp
@@ -46,7 +46,7 @@ GlobalRegion GlobalRegionCacheOpenGL::TryGetReservedGlobalRegion(CacheAddr addr,
return search->second;
}
-GlobalRegion GlobalRegionCacheOpenGL::GetUncachedGlobalRegion(Tegra::GPUVAddr addr, u32 size,
+GlobalRegion GlobalRegionCacheOpenGL::GetUncachedGlobalRegion(GPUVAddr addr, u32 size,
u8* host_ptr) {
GlobalRegion region{TryGetReservedGlobalRegion(ToCacheAddr(host_ptr), size)};
if (!region) {
diff --git a/src/video_core/renderer_opengl/gl_global_cache.h b/src/video_core/renderer_opengl/gl_global_cache.h
index a840491f7..5a21ab66f 100644
--- a/src/video_core/renderer_opengl/gl_global_cache.h
+++ b/src/video_core/renderer_opengl/gl_global_cache.h
@@ -66,7 +66,7 @@ public:
private:
GlobalRegion TryGetReservedGlobalRegion(CacheAddr addr, u32 size) const;
- GlobalRegion GetUncachedGlobalRegion(Tegra::GPUVAddr addr, u32 size, u8* host_ptr);
+ GlobalRegion GetUncachedGlobalRegion(GPUVAddr addr, u32 size, u8* host_ptr);
void ReserveGlobalRegion(GlobalRegion region);
std::unordered_map<CacheAddr, GlobalRegion> reserve;
diff --git a/src/video_core/renderer_opengl/gl_primitive_assembler.cpp b/src/video_core/renderer_opengl/gl_primitive_assembler.cpp
index 75d816795..2bcbd3da2 100644
--- a/src/video_core/renderer_opengl/gl_primitive_assembler.cpp
+++ b/src/video_core/renderer_opengl/gl_primitive_assembler.cpp
@@ -40,8 +40,7 @@ GLintptr PrimitiveAssembler::MakeQuadArray(u32 first, u32 count) {
return index_offset;
}
-GLintptr PrimitiveAssembler::MakeQuadIndexed(Tegra::GPUVAddr gpu_addr, std::size_t index_size,
- u32 count) {
+GLintptr PrimitiveAssembler::MakeQuadIndexed(GPUVAddr gpu_addr, std::size_t index_size, u32 count) {
const std::size_t map_size{CalculateQuadSize(count)};
auto [dst_pointer, index_offset] = buffer_cache.ReserveMemory(map_size);
diff --git a/src/video_core/renderer_opengl/gl_primitive_assembler.h b/src/video_core/renderer_opengl/gl_primitive_assembler.h
index a8cb88eb5..0e2e7dc36 100644
--- a/src/video_core/renderer_opengl/gl_primitive_assembler.h
+++ b/src/video_core/renderer_opengl/gl_primitive_assembler.h
@@ -24,7 +24,7 @@ public:
GLintptr MakeQuadArray(u32 first, u32 count);
- GLintptr MakeQuadIndexed(Tegra::GPUVAddr gpu_addr, std::size_t index_size, u32 count);
+ GLintptr MakeQuadIndexed(GPUVAddr gpu_addr, std::size_t index_size, u32 count);
private:
OGLBufferCache& buffer_cache;
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index 198c54872..e06dfe43f 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -225,8 +225,8 @@ void RasterizerOpenGL::SetupVertexBuffer(GLuint vao) {
if (!vertex_array.IsEnabled())
continue;
- const Tegra::GPUVAddr start = vertex_array.StartAddress();
- const Tegra::GPUVAddr end = regs.vertex_array_limit[index].LimitAddress();
+ const GPUVAddr start = vertex_array.StartAddress();
+ const GPUVAddr end = regs.vertex_array_limit[index].LimitAddress();
ASSERT(end > start);
const u64 size = end - start + 1;
@@ -421,8 +421,8 @@ std::size_t RasterizerOpenGL::CalculateVertexArraysSize() const {
if (!regs.vertex_array[index].IsEnabled())
continue;
- const Tegra::GPUVAddr start = regs.vertex_array[index].StartAddress();
- const Tegra::GPUVAddr end = regs.vertex_array_limit[index].LimitAddress();
+ const GPUVAddr start = regs.vertex_array[index].StartAddress();
+ const GPUVAddr end = regs.vertex_array_limit[index].LimitAddress();
ASSERT(end > start);
size += end - start + 1;
diff --git a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
index 57329cd61..1133fa1f9 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
@@ -55,7 +55,7 @@ static void ApplyTextureDefaults(GLuint texture, u32 max_mip_level) {
}
}
-void SurfaceParams::InitCacheParameters(Tegra::GPUVAddr gpu_addr_) {
+void SurfaceParams::InitCacheParameters(GPUVAddr gpu_addr_) {
auto& memory_manager{Core::System::GetInstance().GPU().MemoryManager()};
gpu_addr = gpu_addr_;
@@ -222,7 +222,7 @@ std::size_t SurfaceParams::InnerMemorySize(bool force_gl, bool layer_only,
}
/*static*/ SurfaceParams SurfaceParams::CreateForDepthBuffer(
- u32 zeta_width, u32 zeta_height, Tegra::GPUVAddr zeta_address, Tegra::DepthFormat format,
+ u32 zeta_width, u32 zeta_height, GPUVAddr zeta_address, Tegra::DepthFormat format,
u32 block_width, u32 block_height, u32 block_depth,
Tegra::Engines::Maxwell3D::Regs::InvMemoryLayout type) {
SurfaceParams params{};
@@ -980,11 +980,11 @@ void RasterizerCacheOpenGL::FastLayeredCopySurface(const Surface& src_surface,
const auto& init_params{src_surface->GetSurfaceParams()};
const auto& dst_params{dst_surface->GetSurfaceParams()};
auto& memory_manager{Core::System::GetInstance().GPU().MemoryManager()};
- Tegra::GPUVAddr address{init_params.gpu_addr};
+ GPUVAddr address{init_params.gpu_addr};
const std::size_t layer_size{dst_params.LayerMemorySize()};
for (u32 layer = 0; layer < dst_params.depth; layer++) {
for (u32 mipmap = 0; mipmap < dst_params.max_mip_level; mipmap++) {
- const Tegra::GPUVAddr sub_address{address + dst_params.GetMipmapLevelOffset(mipmap)};
+ const GPUVAddr sub_address{address + dst_params.GetMipmapLevelOffset(mipmap)};
const Surface& copy{TryGet(memory_manager.GetPointer(sub_address))};
if (!copy) {
continue;
@@ -1244,10 +1244,9 @@ static std::optional<u32> TryFindBestMipMap(std::size_t memory, const SurfacePar
return {};
}
-static std::optional<u32> TryFindBestLayer(Tegra::GPUVAddr addr, const SurfaceParams params,
- u32 mipmap) {
+static std::optional<u32> TryFindBestLayer(GPUVAddr addr, const SurfaceParams params, u32 mipmap) {
const std::size_t size{params.LayerMemorySize()};
- Tegra::GPUVAddr start{params.gpu_addr + params.GetMipmapLevelOffset(mipmap)};
+ GPUVAddr start{params.gpu_addr + params.GetMipmapLevelOffset(mipmap)};
for (u32 i = 0; i < params.depth; i++) {
if (start == addr) {
return {i};
diff --git a/src/video_core/renderer_opengl/gl_rasterizer_cache.h b/src/video_core/renderer_opengl/gl_rasterizer_cache.h
index 9366f47f2..d76bc0ee7 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer_cache.h
+++ b/src/video_core/renderer_opengl/gl_rasterizer_cache.h
@@ -210,7 +210,7 @@ struct SurfaceParams {
/// Creates SurfaceParams for a depth buffer configuration
static SurfaceParams CreateForDepthBuffer(
- u32 zeta_width, u32 zeta_height, Tegra::GPUVAddr zeta_address, Tegra::DepthFormat format,
+ u32 zeta_width, u32 zeta_height, GPUVAddr zeta_address, Tegra::DepthFormat format,
u32 block_width, u32 block_height, u32 block_depth,
Tegra::Engines::Maxwell3D::Regs::InvMemoryLayout type);
@@ -232,7 +232,7 @@ struct SurfaceParams {
}
/// Initializes parameters for caching, should be called after everything has been initialized
- void InitCacheParameters(Tegra::GPUVAddr gpu_addr);
+ void InitCacheParameters(GPUVAddr gpu_addr);
std::string TargetName() const {
switch (target) {
@@ -297,7 +297,7 @@ struct SurfaceParams {
bool srgb_conversion;
// Parameters used for caching
u8* host_ptr;
- Tegra::GPUVAddr gpu_addr;
+ GPUVAddr gpu_addr;
std::size_t size_in_bytes;
std::size_t size_in_bytes_gl;
diff --git a/src/video_core/renderer_opengl/gl_shader_cache.cpp b/src/video_core/renderer_opengl/gl_shader_cache.cpp
index 1ed740877..1f8eca6f0 100644
--- a/src/video_core/renderer_opengl/gl_shader_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_cache.cpp
@@ -32,7 +32,7 @@ struct UnspecializedShader {
namespace {
/// Gets the address for the specified shader stage program
-Tegra::GPUVAddr GetShaderAddress(Maxwell::ShaderProgram program) {
+GPUVAddr GetShaderAddress(Maxwell::ShaderProgram program) {
const auto& gpu{Core::System::GetInstance().GPU().Maxwell3D()};
const auto& shader_config{gpu.regs.shader_config[static_cast<std::size_t>(program)]};
return gpu.regs.code_address.CodeAddress() + shader_config.offset;
@@ -486,7 +486,7 @@ Shader ShaderCacheOpenGL::GetStageProgram(Maxwell::ShaderProgram program) {
}
auto& memory_manager{Core::System::GetInstance().GPU().MemoryManager()};
- const Tegra::GPUVAddr program_addr{GetShaderAddress(program)};
+ const GPUVAddr program_addr{GetShaderAddress(program)};
// Look up shader in the cache based on address
const auto& host_ptr{memory_manager.GetPointer(program_addr)};
diff --git a/src/video_core/renderer_vulkan/vk_buffer_cache.cpp b/src/video_core/renderer_vulkan/vk_buffer_cache.cpp
index 95eab3fec..eac51ecb3 100644
--- a/src/video_core/renderer_vulkan/vk_buffer_cache.cpp
+++ b/src/video_core/renderer_vulkan/vk_buffer_cache.cpp
@@ -39,8 +39,7 @@ VKBufferCache::VKBufferCache(Tegra::MemoryManager& tegra_memory_manager,
VKBufferCache::~VKBufferCache() = default;
-u64 VKBufferCache::UploadMemory(Tegra::GPUVAddr gpu_addr, std::size_t size, u64 alignment,
- bool cache) {
+u64 VKBufferCache::UploadMemory(GPUVAddr gpu_addr, std::size_t size, u64 alignment, bool cache) {
const auto cpu_addr{tegra_memory_manager.GpuToCpuAddress(gpu_addr)};
ASSERT_MSG(cpu_addr, "Invalid GPU address");
diff --git a/src/video_core/renderer_vulkan/vk_buffer_cache.h b/src/video_core/renderer_vulkan/vk_buffer_cache.h
index 8b415744b..08b786aad 100644
--- a/src/video_core/renderer_vulkan/vk_buffer_cache.h
+++ b/src/video_core/renderer_vulkan/vk_buffer_cache.h
@@ -68,8 +68,7 @@ public:
/// Uploads data from a guest GPU address. Returns host's buffer offset where it's been
/// allocated.
- u64 UploadMemory(Tegra::GPUVAddr gpu_addr, std::size_t size, u64 alignment = 4,
- bool cache = true);
+ u64 UploadMemory(GPUVAddr gpu_addr, std::size_t size, u64 alignment = 4, bool cache = true);
/// Uploads from a host memory. Returns host's buffer offset where it's been allocated.
u64 UploadHostMemory(const u8* raw_pointer, std::size_t size, u64 alignment = 4);
diff --git a/src/yuzu/debugger/graphics/graphics_surface.cpp b/src/yuzu/debugger/graphics/graphics_surface.cpp
index 29f01dfb2..11023ed63 100644
--- a/src/yuzu/debugger/graphics/graphics_surface.cpp
+++ b/src/yuzu/debugger/graphics/graphics_surface.cpp
@@ -261,7 +261,7 @@ void GraphicsSurfaceWidget::OnSurfaceSourceChanged(int new_value) {
void GraphicsSurfaceWidget::OnSurfaceAddressChanged(qint64 new_value) {
if (surface_address != new_value) {
- surface_address = static_cast<Tegra::GPUVAddr>(new_value);
+ surface_address = static_cast<GPUVAddr>(new_value);
surface_source_list->setCurrentIndex(static_cast<int>(Source::Custom));
emit Update();
diff --git a/src/yuzu/debugger/graphics/graphics_surface.h b/src/yuzu/debugger/graphics/graphics_surface.h
index 323e39d94..89445b18f 100644
--- a/src/yuzu/debugger/graphics/graphics_surface.h
+++ b/src/yuzu/debugger/graphics/graphics_surface.h
@@ -87,7 +87,7 @@ private:
QPushButton* save_surface;
Source surface_source;
- Tegra::GPUVAddr surface_address;
+ GPUVAddr surface_address;
unsigned surface_width;
unsigned surface_height;
Tegra::Texture::TextureFormat surface_format;
From 22d3dfbcd4c606d40e5ae36970db4661c302859f Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Sun, 3 Mar 2019 23:54:16 -0500
Subject: [PATCH 2/9] gpu: Rewrite virtual memory manager using PageTable.
---
src/common/page_table.cpp | 2 +
src/common/page_table.h | 6 +-
.../service/nvdrv/devices/nvhost_as_gpu.cpp | 12 +-
src/video_core/dma_pusher.h | 1 -
src/video_core/engines/kepler_memory.cpp | 2 +-
src/video_core/engines/maxwell_3d.cpp | 8 +-
src/video_core/gpu.cpp | 7 +-
src/video_core/gpu.h | 6 +-
src/video_core/memory_manager.cpp | 512 ++++++++++++------
src/video_core/memory_manager.h | 154 ++++--
src/video_core/rasterizer_interface.h | 1 -
.../renderer_opengl/gl_global_cache.cpp | 4 +-
.../renderer_opengl/gl_rasterizer_cache.cpp | 10 +-
13 files changed, 497 insertions(+), 228 deletions(-)
diff --git a/src/common/page_table.cpp b/src/common/page_table.cpp
index 8eba1c3f1..69b7abc54 100644
--- a/src/common/page_table.cpp
+++ b/src/common/page_table.cpp
@@ -16,6 +16,7 @@ void PageTable::Resize(std::size_t address_space_width_in_bits) {
pointers.resize(num_page_table_entries);
attributes.resize(num_page_table_entries);
+ backing_addr.resize(num_page_table_entries);
// The default is a 39-bit address space, which causes an initial 1GB allocation size. If the
// vector size is subsequently decreased (via resize), the vector might not automatically
@@ -24,6 +25,7 @@ void PageTable::Resize(std::size_t address_space_width_in_bits) {
pointers.shrink_to_fit();
attributes.shrink_to_fit();
+ backing_addr.shrink_to_fit();
}
} // namespace Common
diff --git a/src/common/page_table.h b/src/common/page_table.h
index 8339f2890..8b8ff0bb8 100644
--- a/src/common/page_table.h
+++ b/src/common/page_table.h
@@ -21,6 +21,8 @@ enum class PageType : u8 {
RasterizerCachedMemory,
/// Page is mapped to a I/O region. Writing and reading to this page is handled by functions.
Special,
+ /// Page is allocated for use.
+ Allocated,
};
struct SpecialRegion {
@@ -66,7 +68,7 @@ struct PageTable {
* Contains MMIO handlers that back memory regions whose entries in the `attribute` vector is
* of type `Special`.
*/
- boost::icl::interval_map<VAddr, std::set<SpecialRegion>> special_regions;
+ boost::icl::interval_map<u64, std::set<SpecialRegion>> special_regions;
/**
* Vector of fine grained page attributes. If it is set to any value other than `Memory`, then
@@ -74,6 +76,8 @@ struct PageTable {
*/
std::vector<PageType> attributes;
+ std::vector<u64> backing_addr;
+
const std::size_t page_size_in_bits{};
};
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp b/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp
index b7964d66e..af62d33d2 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp
+++ b/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp
@@ -173,16 +173,8 @@ u32 nvhost_as_gpu::UnmapBuffer(const std::vector<u8>& input, std::vector<u8>& ou
return 0;
}
- auto& system_instance = Core::System::GetInstance();
-
- // Remove this memory region from the rasterizer cache.
- auto& gpu = system_instance.GPU();
- auto cpu_addr = gpu.MemoryManager().GpuToCpuAddress(params.offset);
- ASSERT(cpu_addr);
- gpu.FlushAndInvalidateRegion(ToCacheAddr(Memory::GetPointer(*cpu_addr)), itr->second.size);
-
- params.offset = gpu.MemoryManager().UnmapBuffer(params.offset, itr->second.size);
-
+ params.offset = Core::System::GetInstance().GPU().MemoryManager().UnmapBuffer(params.offset,
+ itr->second.size);
buffer_mappings.erase(itr->second.offset);
std::memcpy(output.data(), ¶ms, output.size());
diff --git a/src/video_core/dma_pusher.h b/src/video_core/dma_pusher.h
index 27a36348c..6ab06518f 100644
--- a/src/video_core/dma_pusher.h
+++ b/src/video_core/dma_pusher.h
@@ -9,7 +9,6 @@
#include "common/bit_field.h"
#include "common/common_types.h"
-#include "video_core/memory_manager.h"
namespace Tegra {
diff --git a/src/video_core/engines/kepler_memory.cpp b/src/video_core/engines/kepler_memory.cpp
index 0931b9626..e259bf46b 100644
--- a/src/video_core/engines/kepler_memory.cpp
+++ b/src/video_core/engines/kepler_memory.cpp
@@ -46,7 +46,7 @@ void KeplerMemory::ProcessData(u32 data) {
// contain a dirty surface that will have to be written back to memory.
const GPUVAddr address{regs.dest.Address() + state.write_offset * sizeof(u32)};
rasterizer.InvalidateRegion(ToCacheAddr(memory_manager.GetPointer(address)), sizeof(u32));
- memory_manager.Write32(address, data);
+ memory_manager.Write<u32>(address, data);
system.GPU().Maxwell3D().dirty_flags.OnMemoryWrite();
diff --git a/src/video_core/engines/maxwell_3d.cpp b/src/video_core/engines/maxwell_3d.cpp
index c5d5be4ef..defcfbd3f 100644
--- a/src/video_core/engines/maxwell_3d.cpp
+++ b/src/video_core/engines/maxwell_3d.cpp
@@ -307,7 +307,7 @@ void Maxwell3D::ProcessQueryGet() {
// Write the current query sequence to the sequence address.
// TODO(Subv): Find out what happens if you use a long query type but mark it as a short
// query.
- memory_manager.Write32(sequence_address, sequence);
+ memory_manager.Write<u32>(sequence_address, sequence);
} else {
// Write the 128-bit result structure in long mode. Note: We emulate an infinitely fast
// GPU, this command may actually take a while to complete in real hardware due to GPU
@@ -395,7 +395,7 @@ void Maxwell3D::ProcessCBData(u32 value) {
u8* ptr{memory_manager.GetPointer(address)};
rasterizer.InvalidateRegion(ToCacheAddr(ptr), sizeof(u32));
- memory_manager.Write32(address, value);
+ memory_manager.Write<u32>(address, value);
dirty_flags.OnMemoryWrite();
@@ -447,7 +447,7 @@ std::vector<Texture::FullTextureInfo> Maxwell3D::GetStageTextures(Regs::ShaderSt
for (GPUVAddr current_texture = tex_info_buffer.address + TextureInfoOffset;
current_texture < tex_info_buffer_end; current_texture += sizeof(Texture::TextureHandle)) {
- const Texture::TextureHandle tex_handle{memory_manager.Read32(current_texture)};
+ const Texture::TextureHandle tex_handle{memory_manager.Read<u32>(current_texture)};
Texture::FullTextureInfo tex_info{};
// TODO(Subv): Use the shader to determine which textures are actually accessed.
@@ -482,7 +482,7 @@ Texture::FullTextureInfo Maxwell3D::GetStageTexture(Regs::ShaderStage stage,
ASSERT(tex_info_address < tex_info_buffer.address + tex_info_buffer.size);
- const Texture::TextureHandle tex_handle{memory_manager.Read32(tex_info_address)};
+ const Texture::TextureHandle tex_handle{memory_manager.Read<u32>(tex_info_address)};
Texture::FullTextureInfo tex_info{};
tex_info.index = static_cast<u32>(offset);
diff --git a/src/video_core/gpu.cpp b/src/video_core/gpu.cpp
index 66c690494..267a03f2d 100644
--- a/src/video_core/gpu.cpp
+++ b/src/video_core/gpu.cpp
@@ -12,6 +12,7 @@
#include "video_core/engines/maxwell_3d.h"
#include "video_core/engines/maxwell_dma.h"
#include "video_core/gpu.h"
+#include "video_core/memory_manager.h"
#include "video_core/renderer_base.h"
namespace Tegra {
@@ -287,7 +288,7 @@ void GPU::ProcessSemaphoreTriggerMethod() {
block.timestamp = Core::System::GetInstance().CoreTiming().GetTicks();
memory_manager->WriteBlock(regs.smaphore_address.SmaphoreAddress(), &block, sizeof(block));
} else {
- const u32 word{memory_manager->Read32(regs.smaphore_address.SmaphoreAddress())};
+ const u32 word{memory_manager->Read<u32>(regs.smaphore_address.SmaphoreAddress())};
if ((op == GpuSemaphoreOperation::AcquireEqual && word == regs.semaphore_sequence) ||
(op == GpuSemaphoreOperation::AcquireGequal &&
static_cast<s32>(word - regs.semaphore_sequence) > 0) ||
@@ -314,11 +315,11 @@ void GPU::ProcessSemaphoreTriggerMethod() {
}
void GPU::ProcessSemaphoreRelease() {
- memory_manager->Write32(regs.smaphore_address.SmaphoreAddress(), regs.semaphore_release);
+ memory_manager->Write<u32>(regs.smaphore_address.SmaphoreAddress(), regs.semaphore_release);
}
void GPU::ProcessSemaphoreAcquire() {
- const u32 word = memory_manager->Read32(regs.smaphore_address.SmaphoreAddress());
+ const u32 word = memory_manager->Read<u32>(regs.smaphore_address.SmaphoreAddress());
const auto value = regs.semaphore_acquire;
if (word != value) {
regs.acquire_active = true;
diff --git a/src/video_core/gpu.h b/src/video_core/gpu.h
index a14b95c30..c1830ac8d 100644
--- a/src/video_core/gpu.h
+++ b/src/video_core/gpu.h
@@ -9,7 +9,6 @@
#include "common/common_types.h"
#include "core/hle/service/nvflinger/buffer_queue.h"
#include "video_core/dma_pusher.h"
-#include "video_core/memory_manager.h"
using CacheAddr = std::uintptr_t;
inline CacheAddr ToCacheAddr(const void* host_ptr) {
@@ -124,6 +123,8 @@ enum class EngineID {
MAXWELL_DMA_COPY_A = 0xB0B5,
};
+class MemoryManager;
+
class GPU {
public:
explicit GPU(Core::System& system, VideoCore::RendererBase& renderer);
@@ -244,9 +245,8 @@ protected:
private:
std::unique_ptr<Tegra::MemoryManager> memory_manager;
- /// Mapping of command subchannels to their bound engine ids.
+ /// Mapping of command subchannels to their bound engine ids
std::array<EngineID, 8> bound_engines = {};
-
/// 3D engine
std::unique_ptr<Engines::Maxwell3D> maxwell_3d;
/// 2D engine
diff --git a/src/video_core/memory_manager.cpp b/src/video_core/memory_manager.cpp
index 8e8f36f28..4c7faa067 100644
--- a/src/video_core/memory_manager.cpp
+++ b/src/video_core/memory_manager.cpp
@@ -5,198 +5,164 @@
#include "common/alignment.h"
#include "common/assert.h"
#include "common/logging/log.h"
+#include "core/core.h"
#include "core/memory.h"
+#include "video_core/gpu.h"
#include "video_core/memory_manager.h"
+#include "video_core/rasterizer_interface.h"
+#include "video_core/renderer_base.h"
namespace Tegra {
MemoryManager::MemoryManager() {
- // Mark the first page as reserved, so that 0 is not a valid GPUVAddr. Otherwise, games might
- // try to use 0 as a valid address, which is also used to mean nullptr. This fixes a bug with
- // Undertale using 0 for a render target.
- PageSlot(0) = static_cast<u64>(PageStatus::Reserved);
+ std::fill(page_table.pointers.begin(), page_table.pointers.end(), nullptr);
+ std::fill(page_table.attributes.begin(), page_table.attributes.end(),
+ Common::PageType::Unmapped);
+ page_table.Resize(address_space_width);
+
+ // Initialize the map with a single free region covering the entire managed space.
+ VirtualMemoryArea initial_vma;
+ initial_vma.size = address_space_end;
+ vma_map.emplace(initial_vma.base, initial_vma);
+
+ UpdatePageTableForVMA(initial_vma);
}
GPUVAddr MemoryManager::AllocateSpace(u64 size, u64 align) {
- const std::optional<GPUVAddr> gpu_addr{FindFreeBlock(0, size, align, PageStatus::Unmapped)};
-
- ASSERT_MSG(gpu_addr, "unable to find available GPU memory");
-
- for (u64 offset{}; offset < size; offset += PAGE_SIZE) {
- VAddr& slot{PageSlot(*gpu_addr + offset)};
-
- ASSERT(slot == static_cast<u64>(PageStatus::Unmapped));
-
- slot = static_cast<u64>(PageStatus::Allocated);
- }
-
- return *gpu_addr;
-}
-
-GPUVAddr MemoryManager::AllocateSpace(GPUVAddr gpu_addr, u64 size, u64 align) {
- for (u64 offset{}; offset < size; offset += PAGE_SIZE) {
- VAddr& slot{PageSlot(gpu_addr + offset)};
-
- ASSERT(slot == static_cast<u64>(PageStatus::Unmapped));
-
- slot = static_cast<u64>(PageStatus::Allocated);
- }
-
+ const GPUVAddr gpu_addr{
+ FindFreeRegion(address_space_base, size, align, VirtualMemoryArea::Type::Unmapped)};
+ AllocateMemory(gpu_addr, 0, size);
return gpu_addr;
}
-GPUVAddr MemoryManager::MapBufferEx(VAddr cpu_addr, u64 size) {
- const std::optional<GPUVAddr> gpu_addr{FindFreeBlock(0, size, PAGE_SIZE, PageStatus::Unmapped)};
-
- ASSERT_MSG(gpu_addr, "unable to find available GPU memory");
-
- for (u64 offset{}; offset < size; offset += PAGE_SIZE) {
- VAddr& slot{PageSlot(*gpu_addr + offset)};
-
- ASSERT(slot == static_cast<u64>(PageStatus::Unmapped));
-
- slot = cpu_addr + offset;
- }
-
- const MappedRegion region{cpu_addr, *gpu_addr, size};
- mapped_regions.push_back(region);
-
- return *gpu_addr;
+GPUVAddr MemoryManager::AllocateSpace(GPUVAddr gpu_addr, u64 size, u64 align) {
+ AllocateMemory(gpu_addr, 0, size);
+ return gpu_addr;
}
-GPUVAddr MemoryManager::MapBufferEx(VAddr cpu_addr, GPUVAddr gpu_addr, u64 size) {
- ASSERT((gpu_addr & PAGE_MASK) == 0);
+GPUVAddr MemoryManager::MapBufferEx(GPUVAddr cpu_addr, u64 size) {
+ const GPUVAddr gpu_addr{
+ FindFreeRegion(address_space_base, size, page_size, VirtualMemoryArea::Type::Unmapped)};
+ MapBackingMemory(gpu_addr, Memory::GetPointer(cpu_addr), ((size + page_mask) & ~page_mask),
+ cpu_addr);
+ return gpu_addr;
+}
- if (PageSlot(gpu_addr) != static_cast<u64>(PageStatus::Allocated)) {
- // Page has been already mapped. In this case, we must find a new area of memory to use that
- // is different than the specified one. Super Mario Odyssey hits this scenario when changing
- // areas, but we do not want to overwrite the old pages.
- // TODO(bunnei): We need to write a hardware test to confirm this behavior.
+GPUVAddr MemoryManager::MapBufferEx(GPUVAddr cpu_addr, GPUVAddr gpu_addr, u64 size) {
+ ASSERT((gpu_addr & page_mask) == 0);
- LOG_ERROR(HW_GPU, "attempting to map addr 0x{:016X}, which is not available!", gpu_addr);
-
- const std::optional<GPUVAddr> new_gpu_addr{
- FindFreeBlock(gpu_addr, size, PAGE_SIZE, PageStatus::Allocated)};
-
- ASSERT_MSG(new_gpu_addr, "unable to find available GPU memory");
-
- gpu_addr = *new_gpu_addr;
- }
-
- for (u64 offset{}; offset < size; offset += PAGE_SIZE) {
- VAddr& slot{PageSlot(gpu_addr + offset)};
-
- ASSERT(slot == static_cast<u64>(PageStatus::Allocated));
-
- slot = cpu_addr + offset;
- }
-
- const MappedRegion region{cpu_addr, gpu_addr, size};
- mapped_regions.push_back(region);
+ MapBackingMemory(gpu_addr, Memory::GetPointer(cpu_addr), ((size + page_mask) & ~page_mask),
+ cpu_addr);
return gpu_addr;
}
GPUVAddr MemoryManager::UnmapBuffer(GPUVAddr gpu_addr, u64 size) {
- ASSERT((gpu_addr & PAGE_MASK) == 0);
+ ASSERT((gpu_addr & page_mask) == 0);
- for (u64 offset{}; offset < size; offset += PAGE_SIZE) {
- VAddr& slot{PageSlot(gpu_addr + offset)};
+ const CacheAddr cache_addr{ToCacheAddr(GetPointer(gpu_addr))};
+ Core::System::GetInstance().Renderer().Rasterizer().FlushAndInvalidateRegion(cache_addr, size);
- ASSERT(slot != static_cast<u64>(PageStatus::Allocated) &&
- slot != static_cast<u64>(PageStatus::Unmapped));
+ UnmapRange(gpu_addr, ((size + page_mask) & ~page_mask));
- slot = static_cast<u64>(PageStatus::Unmapped);
- }
-
- // Delete the region mappings that are contained within the unmapped region
- mapped_regions.erase(std::remove_if(mapped_regions.begin(), mapped_regions.end(),
- [&](const MappedRegion& region) {
- return region.gpu_addr <= gpu_addr &&
- region.gpu_addr + region.size < gpu_addr + size;
- }),
- mapped_regions.end());
return gpu_addr;
}
-GPUVAddr MemoryManager::GetRegionEnd(GPUVAddr region_start) const {
- for (const auto& region : mapped_regions) {
- const GPUVAddr region_end{region.gpu_addr + region.size};
- if (region_start >= region.gpu_addr && region_start < region_end) {
- return region_end;
- }
- }
- return {};
-}
+GPUVAddr MemoryManager::FindFreeRegion(GPUVAddr region_start, u64 size, u64 align,
+ VirtualMemoryArea::Type vma_type) {
-std::optional<GPUVAddr> MemoryManager::FindFreeBlock(GPUVAddr region_start, u64 size, u64 align,
- PageStatus status) {
- GPUVAddr gpu_addr{region_start};
- u64 free_space{};
- align = (align + PAGE_MASK) & ~PAGE_MASK;
+ align = (align + page_mask) & ~page_mask;
- while (gpu_addr + free_space < MAX_ADDRESS) {
- if (PageSlot(gpu_addr + free_space) == static_cast<u64>(status)) {
- free_space += PAGE_SIZE;
- if (free_space >= size) {
- return gpu_addr;
- }
- } else {
- gpu_addr += free_space + PAGE_SIZE;
- free_space = 0;
- gpu_addr = Common::AlignUp(gpu_addr, align);
- }
- }
+ // Find the first Free VMA.
+ const GPUVAddr base = region_start;
+ const VMAHandle vma_handle = std::find_if(vma_map.begin(), vma_map.end(), [&](const auto& vma) {
+ if (vma.second.type != vma_type)
+ return false;
- return {};
-}
+ const VAddr vma_end = vma.second.base + vma.second.size;
+ return vma_end > base && vma_end >= base + size;
+ });
-std::optional<VAddr> MemoryManager::GpuToCpuAddress(GPUVAddr gpu_addr) {
- const VAddr base_addr{PageSlot(gpu_addr)};
-
- if (base_addr == static_cast<u64>(PageStatus::Allocated) ||
- base_addr == static_cast<u64>(PageStatus::Unmapped) ||
- base_addr == static_cast<u64>(PageStatus::Reserved)) {
+ if (vma_handle == vma_map.end()) {
return {};
}
- return base_addr + (gpu_addr & PAGE_MASK);
+ return std::max(base, vma_handle->second.base);
}
-u8 MemoryManager::Read8(GPUVAddr addr) {
- return Memory::Read8(*GpuToCpuAddress(addr));
+std::optional<VAddr> MemoryManager::GpuToCpuAddress(GPUVAddr gpu_addr) {
+ VAddr cpu_addr = page_table.backing_addr[gpu_addr >> page_bits];
+ if (cpu_addr) {
+ return cpu_addr + (gpu_addr & page_mask);
+ }
+
+ return {};
}
-u16 MemoryManager::Read16(GPUVAddr addr) {
- return Memory::Read16(*GpuToCpuAddress(addr));
+template <typename T>
+T MemoryManager::Read(GPUVAddr vaddr) {
+ const u8* page_pointer = page_table.pointers[vaddr >> page_bits];
+ if (page_pointer) {
+ // NOTE: Avoid adding any extra logic to this fast-path block
+ T value;
+ std::memcpy(&value, &page_pointer[vaddr & page_mask], sizeof(T));
+ return value;
+ }
+
+ Common::PageType type = page_table.attributes[vaddr >> page_bits];
+ switch (type) {
+ case Common::PageType::Unmapped:
+ LOG_ERROR(HW_GPU, "Unmapped Read{} @ 0x{:08X}", sizeof(T) * 8, vaddr);
+ return 0;
+ case Common::PageType::Memory:
+ ASSERT_MSG(false, "Mapped memory page without a pointer @ {:016X}", vaddr);
+ break;
+ default:
+ UNREACHABLE();
+ }
+ return {};
}
-u32 MemoryManager::Read32(GPUVAddr addr) {
- return Memory::Read32(*GpuToCpuAddress(addr));
+template <typename T>
+void MemoryManager::Write(GPUVAddr vaddr, T data) {
+ u8* page_pointer = page_table.pointers[vaddr >> page_bits];
+ if (page_pointer) {
+ // NOTE: Avoid adding any extra logic to this fast-path block
+ std::memcpy(&page_pointer[vaddr & page_mask], &data, sizeof(T));
+ return;
+ }
+
+ Common::PageType type = page_table.attributes[vaddr >> page_bits];
+ switch (type) {
+ case Common::PageType::Unmapped:
+ LOG_ERROR(HW_GPU, "Unmapped Write{} 0x{:08X} @ 0x{:016X}", sizeof(data) * 8,
+ static_cast<u32>(data), vaddr);
+ return;
+ case Common::PageType::Memory:
+ ASSERT_MSG(false, "Mapped memory page without a pointer @ {:016X}", vaddr);
+ break;
+ default:
+ UNREACHABLE();
+ }
}
-u64 MemoryManager::Read64(GPUVAddr addr) {
- return Memory::Read64(*GpuToCpuAddress(addr));
-}
-
-void MemoryManager::Write8(GPUVAddr addr, u8 data) {
- Memory::Write8(*GpuToCpuAddress(addr), data);
-}
-
-void MemoryManager::Write16(GPUVAddr addr, u16 data) {
- Memory::Write16(*GpuToCpuAddress(addr), data);
-}
-
-void MemoryManager::Write32(GPUVAddr addr, u32 data) {
- Memory::Write32(*GpuToCpuAddress(addr), data);
-}
-
-void MemoryManager::Write64(GPUVAddr addr, u64 data) {
- Memory::Write64(*GpuToCpuAddress(addr), data);
-}
+template u8 MemoryManager::Read<u8>(GPUVAddr addr);
+template u16 MemoryManager::Read<u16>(GPUVAddr addr);
+template u32 MemoryManager::Read<u32>(GPUVAddr addr);
+template u64 MemoryManager::Read<u64>(GPUVAddr addr);
+template void MemoryManager::Write<u8>(GPUVAddr addr, u8 data);
+template void MemoryManager::Write<u16>(GPUVAddr addr, u16 data);
+template void MemoryManager::Write<u32>(GPUVAddr addr, u32 data);
+template void MemoryManager::Write<u64>(GPUVAddr addr, u64 data);
u8* MemoryManager::GetPointer(GPUVAddr addr) {
- return Memory::GetPointer(*GpuToCpuAddress(addr));
+ u8* page_pointer = page_table.pointers[addr >> page_bits];
+ if (page_pointer) {
+ return page_pointer + (addr & page_mask);
+ }
+
+ LOG_ERROR(HW_GPU, "Unknown GetPointer @ 0x{:016X}", addr);
+ return {};
}
void MemoryManager::ReadBlock(GPUVAddr src_addr, void* dest_buffer, std::size_t size) {
@@ -210,13 +176,251 @@ void MemoryManager::CopyBlock(GPUVAddr dest_addr, GPUVAddr src_addr, std::size_t
std::memcpy(GetPointer(dest_addr), GetPointer(src_addr), size);
}
-VAddr& MemoryManager::PageSlot(GPUVAddr gpu_addr) {
- auto& block{page_table[(gpu_addr >> (PAGE_BITS + PAGE_TABLE_BITS)) & PAGE_TABLE_MASK]};
- if (!block) {
- block = std::make_unique<PageBlock>();
- block->fill(static_cast<VAddr>(PageStatus::Unmapped));
+void MemoryManager::MapPages(GPUVAddr base, u64 size, u8* memory, Common::PageType type,
+ VAddr backing_addr) {
+ LOG_DEBUG(HW_GPU, "Mapping {} onto {:016X}-{:016X}", fmt::ptr(memory), base * page_size,
+ (base + size) * page_size);
+
+ VAddr end = base + size;
+ ASSERT_MSG(end <= page_table.pointers.size(), "out of range mapping at {:016X}",
+ base + page_table.pointers.size());
+
+ std::fill(page_table.attributes.begin() + base, page_table.attributes.begin() + end, type);
+
+ if (memory == nullptr) {
+ std::fill(page_table.pointers.begin() + base, page_table.pointers.begin() + end, memory);
+ std::fill(page_table.backing_addr.begin() + base, page_table.backing_addr.begin() + end,
+ backing_addr);
+ } else {
+ while (base != end) {
+ page_table.pointers[base] = memory;
+ page_table.backing_addr[base] = backing_addr;
+
+ base += 1;
+ memory += page_size;
+ backing_addr += page_size;
+ }
+ }
+}
+
+void MemoryManager::MapMemoryRegion(GPUVAddr base, u64 size, u8* target, VAddr backing_addr) {
+ ASSERT_MSG((size & page_mask) == 0, "non-page aligned size: {:016X}", size);
+ ASSERT_MSG((base & page_mask) == 0, "non-page aligned base: {:016X}", base);
+ MapPages(base / page_size, size / page_size, target, Common::PageType::Memory, backing_addr);
+}
+
+void MemoryManager::UnmapRegion(GPUVAddr base, u64 size) {
+ ASSERT_MSG((size & page_mask) == 0, "non-page aligned size: {:016X}", size);
+ ASSERT_MSG((base & page_mask) == 0, "non-page aligned base: {:016X}", base);
+ MapPages(base / page_size, size / page_size, nullptr, Common::PageType::Unmapped);
+}
+
+bool VirtualMemoryArea::CanBeMergedWith(const VirtualMemoryArea& next) const {
+ ASSERT(base + size == next.base);
+ if (type != next.type) {
+ return {};
+ }
+ if (type == VirtualMemoryArea::Type::Allocated && (offset + size != next.offset)) {
+ return {};
+ }
+ if (type == VirtualMemoryArea::Type::Mapped && backing_memory + size != next.backing_memory) {
+ return {};
+ }
+ return true;
+}
+
+MemoryManager::VMAHandle MemoryManager::FindVMA(GPUVAddr target) const {
+ if (target >= address_space_end) {
+ return vma_map.end();
+ } else {
+ return std::prev(vma_map.upper_bound(target));
+ }
+}
+
+MemoryManager::VMAHandle MemoryManager::AllocateMemory(GPUVAddr target, std::size_t offset,
+ u64 size) {
+
+ // This is the appropriately sized VMA that will turn into our allocation.
+ VMAIter vma_handle = CarveVMA(target, size);
+ VirtualMemoryArea& final_vma = vma_handle->second;
+ ASSERT(final_vma.size == size);
+
+ final_vma.type = VirtualMemoryArea::Type::Allocated;
+ final_vma.offset = offset;
+ UpdatePageTableForVMA(final_vma);
+
+ return MergeAdjacent(vma_handle);
+}
+
+MemoryManager::VMAHandle MemoryManager::MapBackingMemory(GPUVAddr target, u8* memory, u64 size,
+ VAddr backing_addr) {
+ // This is the appropriately sized VMA that will turn into our allocation.
+ VMAIter vma_handle = CarveVMA(target, size);
+ VirtualMemoryArea& final_vma = vma_handle->second;
+ ASSERT(final_vma.size == size);
+
+ final_vma.type = VirtualMemoryArea::Type::Mapped;
+ final_vma.backing_memory = memory;
+ final_vma.backing_addr = backing_addr;
+ UpdatePageTableForVMA(final_vma);
+
+ return MergeAdjacent(vma_handle);
+}
+
+MemoryManager::VMAIter MemoryManager::Unmap(VMAIter vma_handle) {
+ VirtualMemoryArea& vma = vma_handle->second;
+ vma.type = VirtualMemoryArea::Type::Allocated;
+ vma.offset = 0;
+ vma.backing_memory = nullptr;
+
+ UpdatePageTableForVMA(vma);
+
+ return MergeAdjacent(vma_handle);
+}
+
+void MemoryManager::UnmapRange(GPUVAddr target, u64 size) {
+ VMAIter vma = CarveVMARange(target, size);
+ const VAddr target_end = target + size;
+
+ const VMAIter end = vma_map.end();
+ // The comparison against the end of the range must be done using addresses since VMAs can be
+ // merged during this process, causing invalidation of the iterators.
+ while (vma != end && vma->second.base < target_end) {
+ vma = std::next(Unmap(vma));
+ }
+
+ ASSERT(FindVMA(target)->second.size >= size);
+}
+
+MemoryManager::VMAIter MemoryManager::StripIterConstness(const VMAHandle& iter) {
+ // This uses a neat C++ trick to convert a const_iterator to a regular iterator, given
+ // non-const access to its container.
+ return vma_map.erase(iter, iter); // Erases an empty range of elements
+}
+
+MemoryManager::VMAIter MemoryManager::CarveVMA(GPUVAddr base, u64 size) {
+ ASSERT_MSG((size & Tegra::MemoryManager::page_mask) == 0, "non-page aligned size: 0x{:016X}",
+ size);
+ ASSERT_MSG((base & Tegra::MemoryManager::page_mask) == 0, "non-page aligned base: 0x{:016X}",
+ base);
+
+ VMAIter vma_handle = StripIterConstness(FindVMA(base));
+ if (vma_handle == vma_map.end()) {
+ // Target address is outside the range managed by the kernel
+ return {};
+ }
+
+ const VirtualMemoryArea& vma = vma_handle->second;
+ if (vma.type == VirtualMemoryArea::Type::Mapped) {
+ // Region is already allocated
+ return {};
+ }
+
+ const VAddr start_in_vma = base - vma.base;
+ const VAddr end_in_vma = start_in_vma + size;
+
+ if (end_in_vma < vma.size) {
+ // Split VMA at the end of the allocated region
+ SplitVMA(vma_handle, end_in_vma);
+ }
+ if (start_in_vma != 0) {
+ // Split VMA at the start of the allocated region
+ vma_handle = SplitVMA(vma_handle, start_in_vma);
+ }
+
+ return vma_handle;
+}
+
+MemoryManager::VMAIter MemoryManager::CarveVMARange(GPUVAddr target, u64 size) {
+ ASSERT_MSG((size & Tegra::MemoryManager::page_mask) == 0, "non-page aligned size: 0x{:016X}",
+ size);
+ ASSERT_MSG((target & Tegra::MemoryManager::page_mask) == 0, "non-page aligned base: 0x{:016X}",
+ target);
+
+ const VAddr target_end = target + size;
+ ASSERT(target_end >= target);
+ ASSERT(size > 0);
+
+ VMAIter begin_vma = StripIterConstness(FindVMA(target));
+ const VMAIter i_end = vma_map.lower_bound(target_end);
+ if (std::any_of(begin_vma, i_end, [](const auto& entry) {
+ return entry.second.type == VirtualMemoryArea::Type::Unmapped;
+ })) {
+ return {};
+ }
+
+ if (target != begin_vma->second.base) {
+ begin_vma = SplitVMA(begin_vma, target - begin_vma->second.base);
+ }
+
+ VMAIter end_vma = StripIterConstness(FindVMA(target_end));
+ if (end_vma != vma_map.end() && target_end != end_vma->second.base) {
+ end_vma = SplitVMA(end_vma, target_end - end_vma->second.base);
+ }
+
+ return begin_vma;
+}
+
+MemoryManager::VMAIter MemoryManager::SplitVMA(VMAIter vma_handle, u64 offset_in_vma) {
+ VirtualMemoryArea& old_vma = vma_handle->second;
+ VirtualMemoryArea new_vma = old_vma; // Make a copy of the VMA
+
+ // For now, don't allow no-op VMA splits (trying to split at a boundary) because it's probably
+ // a bug. This restriction might be removed later.
+ ASSERT(offset_in_vma < old_vma.size);
+ ASSERT(offset_in_vma > 0);
+
+ old_vma.size = offset_in_vma;
+ new_vma.base += offset_in_vma;
+ new_vma.size -= offset_in_vma;
+
+ switch (new_vma.type) {
+ case VirtualMemoryArea::Type::Unmapped:
+ break;
+ case VirtualMemoryArea::Type::Allocated:
+ new_vma.offset += offset_in_vma;
+ break;
+ case VirtualMemoryArea::Type::Mapped:
+ new_vma.backing_memory += offset_in_vma;
+ break;
+ }
+
+ ASSERT(old_vma.CanBeMergedWith(new_vma));
+
+ return vma_map.emplace_hint(std::next(vma_handle), new_vma.base, new_vma);
+}
+
+MemoryManager::VMAIter MemoryManager::MergeAdjacent(VMAIter iter) {
+ const VMAIter next_vma = std::next(iter);
+ if (next_vma != vma_map.end() && iter->second.CanBeMergedWith(next_vma->second)) {
+ iter->second.size += next_vma->second.size;
+ vma_map.erase(next_vma);
+ }
+
+ if (iter != vma_map.begin()) {
+ VMAIter prev_vma = std::prev(iter);
+ if (prev_vma->second.CanBeMergedWith(iter->second)) {
+ prev_vma->second.size += iter->second.size;
+ vma_map.erase(iter);
+ iter = prev_vma;
+ }
+ }
+
+ return iter;
+}
+
+void MemoryManager::UpdatePageTableForVMA(const VirtualMemoryArea& vma) {
+ switch (vma.type) {
+ case VirtualMemoryArea::Type::Unmapped:
+ UnmapRegion(vma.base, vma.size);
+ break;
+ case VirtualMemoryArea::Type::Allocated:
+ MapMemoryRegion(vma.base, vma.size, nullptr, vma.backing_addr);
+ break;
+ case VirtualMemoryArea::Type::Mapped:
+ MapMemoryRegion(vma.base, vma.size, vma.backing_memory, vma.backing_addr);
+ break;
}
- return (*block)[(gpu_addr >> PAGE_BITS) & PAGE_BLOCK_MASK];
}
} // namespace Tegra
diff --git a/src/video_core/memory_manager.h b/src/video_core/memory_manager.h
index bb87fa24d..ac1b42936 100644
--- a/src/video_core/memory_manager.h
+++ b/src/video_core/memory_manager.h
@@ -1,79 +1,147 @@
-// Copyright 2018 yuzu emulator team
+// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
-#include <array>
-#include <memory>
+#include <map>
#include <optional>
-#include <vector>
#include "common/common_types.h"
+#include "common/page_table.h"
namespace Tegra {
+/**
+ * Represents a VMA in an address space. A VMA is a contiguous region of virtual addressing space
+ * with homogeneous attributes across its extents. In this particular implementation each VMA is
+ * also backed by a single host memory allocation.
+ */
+struct VirtualMemoryArea {
+ enum class Type : u8 {
+ Unmapped,
+ Allocated,
+ Mapped,
+ };
+
+ /// Virtual base address of the region.
+ GPUVAddr base{};
+ /// Size of the region.
+ u64 size{};
+ /// Memory area mapping type.
+ Type type{Type::Unmapped};
+ /// CPU memory mapped address corresponding to this memory area.
+ VAddr backing_addr{};
+ /// Offset into the backing_memory the mapping starts from.
+ std::size_t offset{};
+ /// Pointer backing this VMA.
+ u8* backing_memory{};
+
+ /// Tests if this area can be merged to the right with `next`.
+ bool CanBeMergedWith(const VirtualMemoryArea& next) const;
+};
+
class MemoryManager final {
public:
MemoryManager();
GPUVAddr AllocateSpace(u64 size, u64 align);
GPUVAddr AllocateSpace(GPUVAddr gpu_addr, u64 size, u64 align);
- GPUVAddr MapBufferEx(VAddr cpu_addr, u64 size);
- GPUVAddr MapBufferEx(VAddr cpu_addr, GPUVAddr gpu_addr, u64 size);
+ GPUVAddr MapBufferEx(GPUVAddr cpu_addr, u64 size);
+ GPUVAddr MapBufferEx(GPUVAddr cpu_addr, GPUVAddr gpu_addr, u64 size);
GPUVAddr UnmapBuffer(GPUVAddr gpu_addr, u64 size);
- GPUVAddr GetRegionEnd(GPUVAddr region_start) const;
std::optional<VAddr> GpuToCpuAddress(GPUVAddr gpu_addr);
- static constexpr u64 PAGE_BITS = 16;
- static constexpr u64 PAGE_SIZE = 1 << PAGE_BITS;
- static constexpr u64 PAGE_MASK = PAGE_SIZE - 1;
+ template <typename T>
+ T Read(GPUVAddr vaddr);
- u8 Read8(GPUVAddr addr);
- u16 Read16(GPUVAddr addr);
- u32 Read32(GPUVAddr addr);
- u64 Read64(GPUVAddr addr);
-
- void Write8(GPUVAddr addr, u8 data);
- void Write16(GPUVAddr addr, u16 data);
- void Write32(GPUVAddr addr, u32 data);
- void Write64(GPUVAddr addr, u64 data);
+ template <typename T>
+ void Write(GPUVAddr vaddr, T data);
u8* GetPointer(GPUVAddr vaddr);
void ReadBlock(GPUVAddr src_addr, void* dest_buffer, std::size_t size);
void WriteBlock(GPUVAddr dest_addr, const void* src_buffer, std::size_t size);
- void CopyBlock(VAddr dest_addr, VAddr src_addr, std::size_t size);
+ void CopyBlock(GPUVAddr dest_addr, GPUVAddr src_addr, std::size_t size);
private:
- enum class PageStatus : u64 {
- Unmapped = 0xFFFFFFFFFFFFFFFFULL,
- Allocated = 0xFFFFFFFFFFFFFFFEULL,
- Reserved = 0xFFFFFFFFFFFFFFFDULL,
- };
+ using VMAMap = std::map<GPUVAddr, VirtualMemoryArea>;
+ using VMAHandle = VMAMap::const_iterator;
+ using VMAIter = VMAMap::iterator;
- std::optional<GPUVAddr> FindFreeBlock(GPUVAddr region_start, u64 size, u64 align,
- PageStatus status);
- VAddr& PageSlot(GPUVAddr gpu_addr);
+ void MapPages(GPUVAddr base, u64 size, u8* memory, Common::PageType type,
+ VAddr backing_addr = 0);
+ void MapMemoryRegion(GPUVAddr base, u64 size, u8* target, VAddr backing_addr);
+ void UnmapRegion(GPUVAddr base, u64 size);
- static constexpr u64 MAX_ADDRESS{0x10000000000ULL};
- static constexpr u64 PAGE_TABLE_BITS{10};
- static constexpr u64 PAGE_TABLE_SIZE{1 << PAGE_TABLE_BITS};
- static constexpr u64 PAGE_TABLE_MASK{PAGE_TABLE_SIZE - 1};
- static constexpr u64 PAGE_BLOCK_BITS{14};
- static constexpr u64 PAGE_BLOCK_SIZE{1 << PAGE_BLOCK_BITS};
- static constexpr u64 PAGE_BLOCK_MASK{PAGE_BLOCK_SIZE - 1};
+ /// Finds the VMA in which the given address is included in, or `vma_map.end()`.
+ VMAHandle FindVMA(GPUVAddr target) const;
- using PageBlock = std::array<VAddr, PAGE_BLOCK_SIZE>;
- std::array<std::unique_ptr<PageBlock>, PAGE_TABLE_SIZE> page_table{};
+ VMAHandle AllocateMemory(GPUVAddr target, std::size_t offset, u64 size);
- struct MappedRegion {
- VAddr cpu_addr;
- GPUVAddr gpu_addr;
- u64 size;
- };
+ /**
+ * Maps an unmanaged host memory pointer at a given address.
+ *
+ * @param target The guest address to start the mapping at.
+ * @param memory The memory to be mapped.
+ * @param size Size of the mapping.
+ * @param state MemoryState tag to attach to the VMA.
+ */
+ VMAHandle MapBackingMemory(GPUVAddr target, u8* memory, u64 size, VAddr backing_addr);
- std::vector<MappedRegion> mapped_regions;
+ /// Unmaps a range of addresses, splitting VMAs as necessary.
+ void UnmapRange(GPUVAddr target, u64 size);
+
+ /// Converts a VMAHandle to a mutable VMAIter.
+ VMAIter StripIterConstness(const VMAHandle& iter);
+
+ /// Unmaps the given VMA.
+ VMAIter Unmap(VMAIter vma);
+
+ /**
+ * Carves a VMA of a specific size at the specified address by splitting Free VMAs while doing
+ * the appropriate error checking.
+ */
+ VMAIter CarveVMA(GPUVAddr base, u64 size);
+
+ /**
+ * Splits the edges of the given range of non-Free VMAs so that there is a VMA split at each
+ * end of the range.
+ */
+ VMAIter CarveVMARange(GPUVAddr base, u64 size);
+
+ /**
+ * Splits a VMA in two, at the specified offset.
+ * @returns the right side of the split, with the original iterator becoming the left side.
+ */
+ VMAIter SplitVMA(VMAIter vma, u64 offset_in_vma);
+
+ /**
+ * Checks for and merges the specified VMA with adjacent ones if possible.
+ * @returns the merged VMA or the original if no merging was possible.
+ */
+ VMAIter MergeAdjacent(VMAIter vma);
+
+ /// Updates the pages corresponding to this VMA so they match the VMA's attributes.
+ void UpdatePageTableForVMA(const VirtualMemoryArea& vma);
+
+ GPUVAddr FindFreeRegion(GPUVAddr region_start, u64 size, u64 align,
+ VirtualMemoryArea::Type vma_type);
+
+private:
+ static constexpr u64 page_bits{16};
+ static constexpr u64 page_size{1 << page_bits};
+ static constexpr u64 page_mask{page_size - 1};
+
+ /// Address space in bits, this is fairly arbitrary but sufficiently large.
+ static constexpr u32 address_space_width = 39;
+ /// Start address for mapping, this is fairly arbitrary but must be non-zero.
+ static constexpr GPUVAddr address_space_base = 0x100000;
+ /// End of address space, based on address space in bits.
+ static constexpr GPUVAddr address_space_end = 1ULL << address_space_width;
+
+ Common::PageTable page_table{page_bits};
+ VMAMap vma_map;
};
} // namespace Tegra
diff --git a/src/video_core/rasterizer_interface.h b/src/video_core/rasterizer_interface.h
index 76e292e87..d7b86df38 100644
--- a/src/video_core/rasterizer_interface.h
+++ b/src/video_core/rasterizer_interface.h
@@ -9,7 +9,6 @@
#include "common/common_types.h"
#include "video_core/engines/fermi_2d.h"
#include "video_core/gpu.h"
-#include "video_core/memory_manager.h"
namespace VideoCore {
diff --git a/src/video_core/renderer_opengl/gl_global_cache.cpp b/src/video_core/renderer_opengl/gl_global_cache.cpp
index ac030cfc9..0fbfbad55 100644
--- a/src/video_core/renderer_opengl/gl_global_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_global_cache.cpp
@@ -76,8 +76,8 @@ GlobalRegion GlobalRegionCacheOpenGL::GetGlobalRegion(
const auto cbufs{gpu.Maxwell3D().state.shader_stages[static_cast<u64>(stage)]};
const auto addr{cbufs.const_buffers[global_region.GetCbufIndex()].address +
global_region.GetCbufOffset()};
- const auto actual_addr{memory_manager.Read64(addr)};
- const auto size{memory_manager.Read32(addr + 8)};
+ const auto actual_addr{memory_manager.Read<u64>(addr)};
+ const auto size{memory_manager.Read<u32>(addr + 8)};
// Look up global region in the cache based on address
const auto& host_ptr{memory_manager.GetPointer(actual_addr)};
diff --git a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
index 1133fa1f9..b94446428 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
@@ -610,11 +610,11 @@ CachedSurface::CachedSurface(const SurfaceParams& params)
// check is necessary to prevent flushing from overwriting unmapped memory.
auto& memory_manager{Core::System::GetInstance().GPU().MemoryManager()};
- const u64 max_size{memory_manager.GetRegionEnd(params.gpu_addr) - params.gpu_addr};
- if (cached_size_in_bytes > max_size) {
- LOG_ERROR(HW_GPU, "Surface size {} exceeds region size {}", params.size_in_bytes, max_size);
- cached_size_in_bytes = max_size;
- }
+ // const u64 max_size{memory_manager.GetRegionEnd(params.gpu_addr) - params.gpu_addr};
+ // if (cached_size_in_bytes > max_size) {
+ // LOG_ERROR(HW_GPU, "Surface size {} exceeds region size {}", params.size_in_bytes,
+ // max_size); cached_size_in_bytes = max_size;
+ //}
cpu_addr = *memory_manager.GpuToCpuAddress(params.gpu_addr);
}
From 21eb4cfa7f295205247397c117e1e2b4f6650d14 Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Fri, 8 Mar 2019 21:10:12 -0500
Subject: [PATCH 3/9] gl_rasterizer_cache: Check that backing memory is valid
before creating a surface.
- Fixes a crash in Puyo Puyo Tetris.
---
.../renderer_opengl/gl_rasterizer_cache.cpp | 22 ++++++-------------
.../renderer_opengl/gl_rasterizer_cache.h | 5 +++++
2 files changed, 12 insertions(+), 15 deletions(-)
diff --git a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
index b94446428..39dcf71ce 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
@@ -564,6 +564,12 @@ void RasterizerCacheOpenGL::CopySurface(const Surface& src_surface, const Surfac
CachedSurface::CachedSurface(const SurfaceParams& params)
: params{params}, gl_target{SurfaceTargetToGL(params.target)},
cached_size_in_bytes{params.size_in_bytes}, RasterizerCacheObject{params.host_ptr} {
+
+ const auto optional_cpu_addr{
+ Core::System::GetInstance().GPU().MemoryManager().GpuToCpuAddress(params.gpu_addr)};
+ ASSERT_MSG(optional_cpu_addr, "optional_cpu_addr is invalid");
+ cpu_addr = *optional_cpu_addr;
+
texture.Create(gl_target);
// TODO(Rodrigo): Using params.GetRect() returns a different size than using its Mip*(0)
@@ -603,20 +609,6 @@ CachedSurface::CachedSurface(const SurfaceParams& params)
ApplyTextureDefaults(texture.handle, params.max_mip_level);
OpenGL::LabelGLObject(GL_TEXTURE, texture.handle, params.gpu_addr, params.IdentityString());
-
- // Clamp size to mapped GPU memory region
- // TODO(bunnei): Super Mario Odyssey maps a 0x40000 byte region and then uses it for a 0x80000
- // R32F render buffer. We do not yet know if this is a game bug or something else, but this
- // check is necessary to prevent flushing from overwriting unmapped memory.
-
- auto& memory_manager{Core::System::GetInstance().GPU().MemoryManager()};
- // const u64 max_size{memory_manager.GetRegionEnd(params.gpu_addr) - params.gpu_addr};
- // if (cached_size_in_bytes > max_size) {
- // LOG_ERROR(HW_GPU, "Surface size {} exceeds region size {}", params.size_in_bytes,
- // max_size); cached_size_in_bytes = max_size;
- //}
-
- cpu_addr = *memory_manager.GpuToCpuAddress(params.gpu_addr);
}
MICROPROFILE_DEFINE(OpenGL_SurfaceLoad, "OpenGL", "Surface Load", MP_RGB(128, 192, 64));
@@ -925,7 +917,7 @@ void RasterizerCacheOpenGL::LoadSurface(const Surface& surface) {
}
Surface RasterizerCacheOpenGL::GetSurface(const SurfaceParams& params, bool preserve_contents) {
- if (params.gpu_addr == 0 || params.height * params.width == 0) {
+ if (!params.IsValid()) {
return {};
}
diff --git a/src/video_core/renderer_opengl/gl_rasterizer_cache.h b/src/video_core/renderer_opengl/gl_rasterizer_cache.h
index d76bc0ee7..0efcafd07 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer_cache.h
+++ b/src/video_core/renderer_opengl/gl_rasterizer_cache.h
@@ -109,6 +109,11 @@ struct SurfaceParams {
return size;
}
+ /// Returns true if the parameters constitute a valid rasterizer surface.
+ bool IsValid() const {
+ return gpu_addr && host_ptr && height && width;
+ }
+
/// Returns the exact size of the memory occupied by a layer in a texture in VRAM, including
/// mipmaps.
std::size_t LayerMemorySize() const {
From 197dcf0b5e426993f760374353cafb07126d45b2 Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Sat, 9 Mar 2019 14:06:51 -0500
Subject: [PATCH 4/9] memory_manager: Add protections for invalid GPU
addresses.
- Avoid a crash in Xenoblade Chronicles 2.
---
src/video_core/memory_manager.cpp | 54 +++++++++++++++++++++----------
src/video_core/memory_manager.h | 15 +++++----
2 files changed, 45 insertions(+), 24 deletions(-)
diff --git a/src/video_core/memory_manager.cpp b/src/video_core/memory_manager.cpp
index 4c7faa067..e8edf9b14 100644
--- a/src/video_core/memory_manager.cpp
+++ b/src/video_core/memory_manager.cpp
@@ -90,32 +90,44 @@ GPUVAddr MemoryManager::FindFreeRegion(GPUVAddr region_start, u64 size, u64 alig
return std::max(base, vma_handle->second.base);
}
-std::optional<VAddr> MemoryManager::GpuToCpuAddress(GPUVAddr gpu_addr) {
- VAddr cpu_addr = page_table.backing_addr[gpu_addr >> page_bits];
+bool MemoryManager::IsAddressValid(GPUVAddr addr) const {
+ return (addr >> page_bits) < page_table.pointers.size();
+}
+
+std::optional<VAddr> MemoryManager::GpuToCpuAddress(GPUVAddr addr) {
+ if (!IsAddressValid(addr)) {
+ return {};
+ }
+
+ VAddr cpu_addr = page_table.backing_addr[addr >> page_bits];
if (cpu_addr) {
- return cpu_addr + (gpu_addr & page_mask);
+ return cpu_addr + (addr & page_mask);
}
return {};
}
template <typename T>
-T MemoryManager::Read(GPUVAddr vaddr) {
- const u8* page_pointer = page_table.pointers[vaddr >> page_bits];
+T MemoryManager::Read(GPUVAddr addr) {
+ if (!IsAddressValid(addr)) {
+ return {};
+ }
+
+ const u8* page_pointer = page_table.pointers[addr >> page_bits];
if (page_pointer) {
// NOTE: Avoid adding any extra logic to this fast-path block
T value;
- std::memcpy(&value, &page_pointer[vaddr & page_mask], sizeof(T));
+ std::memcpy(&value, &page_pointer[addr & page_mask], sizeof(T));
return value;
}
- Common::PageType type = page_table.attributes[vaddr >> page_bits];
+ Common::PageType type = page_table.attributes[addr >> page_bits];
switch (type) {
case Common::PageType::Unmapped:
- LOG_ERROR(HW_GPU, "Unmapped Read{} @ 0x{:08X}", sizeof(T) * 8, vaddr);
+ LOG_ERROR(HW_GPU, "Unmapped Read{} @ 0x{:08X}", sizeof(T) * 8, addr);
return 0;
case Common::PageType::Memory:
- ASSERT_MSG(false, "Mapped memory page without a pointer @ {:016X}", vaddr);
+ ASSERT_MSG(false, "Mapped memory page without a pointer @ {:016X}", addr);
break;
default:
UNREACHABLE();
@@ -124,22 +136,26 @@ T MemoryManager::Read(GPUVAddr vaddr) {
}
template <typename T>
-void MemoryManager::Write(GPUVAddr vaddr, T data) {
- u8* page_pointer = page_table.pointers[vaddr >> page_bits];
- if (page_pointer) {
- // NOTE: Avoid adding any extra logic to this fast-path block
- std::memcpy(&page_pointer[vaddr & page_mask], &data, sizeof(T));
+void MemoryManager::Write(GPUVAddr addr, T data) {
+ if (!IsAddressValid(addr)) {
return;
}
- Common::PageType type = page_table.attributes[vaddr >> page_bits];
+ u8* page_pointer = page_table.pointers[addr >> page_bits];
+ if (page_pointer) {
+ // NOTE: Avoid adding any extra logic to this fast-path block
+ std::memcpy(&page_pointer[addr & page_mask], &data, sizeof(T));
+ return;
+ }
+
+ Common::PageType type = page_table.attributes[addr >> page_bits];
switch (type) {
case Common::PageType::Unmapped:
LOG_ERROR(HW_GPU, "Unmapped Write{} 0x{:08X} @ 0x{:016X}", sizeof(data) * 8,
- static_cast<u32>(data), vaddr);
+ static_cast<u32>(data), addr);
return;
case Common::PageType::Memory:
- ASSERT_MSG(false, "Mapped memory page without a pointer @ {:016X}", vaddr);
+ ASSERT_MSG(false, "Mapped memory page without a pointer @ {:016X}", addr);
break;
default:
UNREACHABLE();
@@ -156,6 +172,10 @@ template void MemoryManager::Write<u32>(GPUVAddr addr, u32 data);
template void MemoryManager::Write<u64>(GPUVAddr addr, u64 data);
u8* MemoryManager::GetPointer(GPUVAddr addr) {
+ if (!IsAddressValid(addr)) {
+ return {};
+ }
+
u8* page_pointer = page_table.pointers[addr >> page_bits];
if (page_pointer) {
return page_pointer + (addr & page_mask);
diff --git a/src/video_core/memory_manager.h b/src/video_core/memory_manager.h
index ac1b42936..76fa3d916 100644
--- a/src/video_core/memory_manager.h
+++ b/src/video_core/memory_manager.h
@@ -46,19 +46,19 @@ public:
MemoryManager();
GPUVAddr AllocateSpace(u64 size, u64 align);
- GPUVAddr AllocateSpace(GPUVAddr gpu_addr, u64 size, u64 align);
+ GPUVAddr AllocateSpace(GPUVAddr addr, u64 size, u64 align);
GPUVAddr MapBufferEx(GPUVAddr cpu_addr, u64 size);
- GPUVAddr MapBufferEx(GPUVAddr cpu_addr, GPUVAddr gpu_addr, u64 size);
- GPUVAddr UnmapBuffer(GPUVAddr gpu_addr, u64 size);
- std::optional<VAddr> GpuToCpuAddress(GPUVAddr gpu_addr);
+ GPUVAddr MapBufferEx(GPUVAddr cpu_addr, GPUVAddr addr, u64 size);
+ GPUVAddr UnmapBuffer(GPUVAddr addr, u64 size);
+ std::optional<VAddr> GpuToCpuAddress(GPUVAddr addr);
template <typename T>
- T Read(GPUVAddr vaddr);
+ T Read(GPUVAddr addr);
template <typename T>
- void Write(GPUVAddr vaddr, T data);
+ void Write(GPUVAddr addr, T data);
- u8* GetPointer(GPUVAddr vaddr);
+ u8* GetPointer(GPUVAddr addr);
void ReadBlock(GPUVAddr src_addr, void* dest_buffer, std::size_t size);
void WriteBlock(GPUVAddr dest_addr, const void* src_buffer, std::size_t size);
@@ -69,6 +69,7 @@ private:
using VMAHandle = VMAMap::const_iterator;
using VMAIter = VMAMap::iterator;
+ bool IsAddressValid(GPUVAddr addr) const;
void MapPages(GPUVAddr base, u64 size, u8* memory, Common::PageType type,
VAddr backing_addr = 0);
void MapMemoryRegion(GPUVAddr base, u64 size, u8* target, VAddr backing_addr);
From 19330f45d3d0efbf490a436c8689f30c4fc79e44 Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Sat, 9 Mar 2019 14:36:52 -0500
Subject: [PATCH 5/9] maxwell_dma: Check for valid source in destination before
copy.
- Avoid a crash in Octopath Traveler.
---
src/video_core/engines/maxwell_dma.cpp | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/src/video_core/engines/maxwell_dma.cpp b/src/video_core/engines/maxwell_dma.cpp
index a0ded4c25..5cca5c29a 100644
--- a/src/video_core/engines/maxwell_dma.cpp
+++ b/src/video_core/engines/maxwell_dma.cpp
@@ -88,6 +88,16 @@ void MaxwellDMA::HandleCopy() {
auto source_ptr{memory_manager.GetPointer(source)};
auto dst_ptr{memory_manager.GetPointer(dest)};
+ if (!source_ptr) {
+ LOG_ERROR(HW_GPU, "source_ptr is invalid");
+ return;
+ }
+
+ if (!dst_ptr) {
+ LOG_ERROR(HW_GPU, "dst_ptr is invalid");
+ return;
+ }
+
const auto FlushAndInvalidate = [&](u32 src_size, u64 dst_size) {
// TODO(Subv): For now, manually flush the regions until we implement GPU-accelerated
// copying.
From 3ae0de9b53492dbcac7201a4ec7a3ada072fdfc0 Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Mon, 18 Mar 2019 22:17:12 -0400
Subject: [PATCH 6/9] memory: Check that core is powered on before attempting
to use GPU.
- GPU will be released on shutdown, before pages are unmapped.
- On subsequent runs, current_page_table will be not nullptr, but GPU might not be valid yet.
---
src/core/memory.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/core/memory.cpp b/src/core/memory.cpp
index 365ac82b4..332c1037c 100644
--- a/src/core/memory.cpp
+++ b/src/core/memory.cpp
@@ -48,7 +48,7 @@ static void MapPages(Common::PageTable& page_table, VAddr base, u64 size, u8* me
(base + size) * PAGE_SIZE);
// During boot, current_page_table might not be set yet, in which case we need not flush
- if (current_page_table) {
+ if (Core::System::GetInstance().IsPoweredOn()) {
Core::System::GetInstance().GPU().FlushAndInvalidateRegion(base << PAGE_BITS,
size * PAGE_SIZE);
}
From 72837e4b3d312ac6d7e5114c7b6e370006d46921 Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Wed, 20 Mar 2019 22:28:35 -0400
Subject: [PATCH 7/9] memory_manager: Bug fixes and further cleanup.
---
src/video_core/memory_manager.cpp | 131 +++++++++++++++---------------
src/video_core/memory_manager.h | 14 ++--
2 files changed, 72 insertions(+), 73 deletions(-)
diff --git a/src/video_core/memory_manager.cpp b/src/video_core/memory_manager.cpp
index e8edf9b14..0c4cf3974 100644
--- a/src/video_core/memory_manager.cpp
+++ b/src/video_core/memory_manager.cpp
@@ -40,7 +40,7 @@ GPUVAddr MemoryManager::AllocateSpace(GPUVAddr gpu_addr, u64 size, u64 align) {
return gpu_addr;
}
-GPUVAddr MemoryManager::MapBufferEx(GPUVAddr cpu_addr, u64 size) {
+GPUVAddr MemoryManager::MapBufferEx(VAddr cpu_addr, u64 size) {
const GPUVAddr gpu_addr{
FindFreeRegion(address_space_base, size, page_size, VirtualMemoryArea::Type::Unmapped)};
MapBackingMemory(gpu_addr, Memory::GetPointer(cpu_addr), ((size + page_mask) & ~page_mask),
@@ -48,7 +48,7 @@ GPUVAddr MemoryManager::MapBufferEx(GPUVAddr cpu_addr, u64 size) {
return gpu_addr;
}
-GPUVAddr MemoryManager::MapBufferEx(GPUVAddr cpu_addr, GPUVAddr gpu_addr, u64 size) {
+GPUVAddr MemoryManager::MapBufferEx(VAddr cpu_addr, GPUVAddr gpu_addr, u64 size) {
ASSERT((gpu_addr & page_mask) == 0);
MapBackingMemory(gpu_addr, Memory::GetPointer(cpu_addr), ((size + page_mask) & ~page_mask),
@@ -74,20 +74,20 @@ GPUVAddr MemoryManager::FindFreeRegion(GPUVAddr region_start, u64 size, u64 alig
align = (align + page_mask) & ~page_mask;
// Find the first Free VMA.
- const GPUVAddr base = region_start;
- const VMAHandle vma_handle = std::find_if(vma_map.begin(), vma_map.end(), [&](const auto& vma) {
- if (vma.second.type != vma_type)
+ const VMAHandle vma_handle{std::find_if(vma_map.begin(), vma_map.end(), [&](const auto& vma) {
+ if (vma.second.type != vma_type) {
return false;
+ }
- const VAddr vma_end = vma.second.base + vma.second.size;
- return vma_end > base && vma_end >= base + size;
- });
+ const VAddr vma_end{vma.second.base + vma.second.size};
+ return vma_end > region_start && vma_end >= region_start + size;
+ })};
if (vma_handle == vma_map.end()) {
return {};
}
- return std::max(base, vma_handle->second.base);
+ return std::max(region_start, vma_handle->second.base);
}
bool MemoryManager::IsAddressValid(GPUVAddr addr) const {
@@ -99,7 +99,7 @@ std::optional<VAddr> MemoryManager::GpuToCpuAddress(GPUVAddr addr) {
return {};
}
- VAddr cpu_addr = page_table.backing_addr[addr >> page_bits];
+ VAddr cpu_addr{page_table.backing_addr[addr >> page_bits]};
if (cpu_addr) {
return cpu_addr + (addr & page_mask);
}
@@ -113,7 +113,7 @@ T MemoryManager::Read(GPUVAddr addr) {
return {};
}
- const u8* page_pointer = page_table.pointers[addr >> page_bits];
+ const u8* page_pointer{page_table.pointers[addr >> page_bits]};
if (page_pointer) {
// NOTE: Avoid adding any extra logic to this fast-path block
T value;
@@ -121,8 +121,7 @@ T MemoryManager::Read(GPUVAddr addr) {
return value;
}
- Common::PageType type = page_table.attributes[addr >> page_bits];
- switch (type) {
+ switch (page_table.attributes[addr >> page_bits]) {
case Common::PageType::Unmapped:
LOG_ERROR(HW_GPU, "Unmapped Read{} @ 0x{:08X}", sizeof(T) * 8, addr);
return 0;
@@ -141,15 +140,14 @@ void MemoryManager::Write(GPUVAddr addr, T data) {
return;
}
- u8* page_pointer = page_table.pointers[addr >> page_bits];
+ u8* page_pointer{page_table.pointers[addr >> page_bits]};
if (page_pointer) {
// NOTE: Avoid adding any extra logic to this fast-path block
std::memcpy(&page_pointer[addr & page_mask], &data, sizeof(T));
return;
}
- Common::PageType type = page_table.attributes[addr >> page_bits];
- switch (type) {
+ switch (page_table.attributes[addr >> page_bits]) {
case Common::PageType::Unmapped:
LOG_ERROR(HW_GPU, "Unmapped Write{} 0x{:08X} @ 0x{:016X}", sizeof(data) * 8,
static_cast<u32>(data), addr);
@@ -176,7 +174,7 @@ u8* MemoryManager::GetPointer(GPUVAddr addr) {
return {};
}
- u8* page_pointer = page_table.pointers[addr >> page_bits];
+ u8* page_pointer{page_table.pointers[addr >> page_bits]};
if (page_pointer) {
return page_pointer + (addr & page_mask);
}
@@ -201,7 +199,7 @@ void MemoryManager::MapPages(GPUVAddr base, u64 size, u8* memory, Common::PageTy
LOG_DEBUG(HW_GPU, "Mapping {} onto {:016X}-{:016X}", fmt::ptr(memory), base * page_size,
(base + size) * page_size);
- VAddr end = base + size;
+ const VAddr end{base + size};
ASSERT_MSG(end <= page_table.pointers.size(), "out of range mapping at {:016X}",
base + page_table.pointers.size());
@@ -257,56 +255,58 @@ MemoryManager::VMAHandle MemoryManager::FindVMA(GPUVAddr target) const {
}
}
+MemoryManager::VMAIter MemoryManager::Allocate(VMAIter vma_handle) {
+ VirtualMemoryArea& vma{vma_handle->second};
+
+ vma.type = VirtualMemoryArea::Type::Allocated;
+ vma.backing_addr = 0;
+ vma.backing_memory = {};
+ UpdatePageTableForVMA(vma);
+
+ return MergeAdjacent(vma_handle);
+}
+
MemoryManager::VMAHandle MemoryManager::AllocateMemory(GPUVAddr target, std::size_t offset,
u64 size) {
// This is the appropriately sized VMA that will turn into our allocation.
- VMAIter vma_handle = CarveVMA(target, size);
- VirtualMemoryArea& final_vma = vma_handle->second;
- ASSERT(final_vma.size == size);
+ VMAIter vma_handle{CarveVMA(target, size)};
+ VirtualMemoryArea& vma{vma_handle->second};
- final_vma.type = VirtualMemoryArea::Type::Allocated;
- final_vma.offset = offset;
- UpdatePageTableForVMA(final_vma);
+ ASSERT(vma.size == size);
- return MergeAdjacent(vma_handle);
+ vma.offset = offset;
+
+ return Allocate(vma_handle);
}
MemoryManager::VMAHandle MemoryManager::MapBackingMemory(GPUVAddr target, u8* memory, u64 size,
VAddr backing_addr) {
// This is the appropriately sized VMA that will turn into our allocation.
- VMAIter vma_handle = CarveVMA(target, size);
- VirtualMemoryArea& final_vma = vma_handle->second;
- ASSERT(final_vma.size == size);
+ VMAIter vma_handle{CarveVMA(target, size)};
+ VirtualMemoryArea& vma{vma_handle->second};
- final_vma.type = VirtualMemoryArea::Type::Mapped;
- final_vma.backing_memory = memory;
- final_vma.backing_addr = backing_addr;
- UpdatePageTableForVMA(final_vma);
-
- return MergeAdjacent(vma_handle);
-}
-
-MemoryManager::VMAIter MemoryManager::Unmap(VMAIter vma_handle) {
- VirtualMemoryArea& vma = vma_handle->second;
- vma.type = VirtualMemoryArea::Type::Allocated;
- vma.offset = 0;
- vma.backing_memory = nullptr;
+ ASSERT(vma.size == size);
+ vma.type = VirtualMemoryArea::Type::Mapped;
+ vma.backing_memory = memory;
+ vma.backing_addr = backing_addr;
UpdatePageTableForVMA(vma);
return MergeAdjacent(vma_handle);
}
void MemoryManager::UnmapRange(GPUVAddr target, u64 size) {
- VMAIter vma = CarveVMARange(target, size);
- const VAddr target_end = target + size;
+ VMAIter vma{CarveVMARange(target, size)};
+ const VAddr target_end{target + size};
+ const VMAIter end{vma_map.end()};
- const VMAIter end = vma_map.end();
// The comparison against the end of the range must be done using addresses since VMAs can be
// merged during this process, causing invalidation of the iterators.
while (vma != end && vma->second.base < target_end) {
- vma = std::next(Unmap(vma));
+ // Unmapped ranges return to allocated state and can be reused
+ // This behavior is used by Super Mario Odyssey, Sonic Forces, and likely other games
+ vma = std::next(Allocate(vma));
}
ASSERT(FindVMA(target)->second.size >= size);
@@ -319,25 +319,26 @@ MemoryManager::VMAIter MemoryManager::StripIterConstness(const VMAHandle& iter)
}
MemoryManager::VMAIter MemoryManager::CarveVMA(GPUVAddr base, u64 size) {
- ASSERT_MSG((size & Tegra::MemoryManager::page_mask) == 0, "non-page aligned size: 0x{:016X}",
- size);
- ASSERT_MSG((base & Tegra::MemoryManager::page_mask) == 0, "non-page aligned base: 0x{:016X}",
- base);
+ ASSERT_MSG((size & page_mask) == 0, "non-page aligned size: 0x{:016X}", size);
+ ASSERT_MSG((base & page_mask) == 0, "non-page aligned base: 0x{:016X}", base);
- VMAIter vma_handle = StripIterConstness(FindVMA(base));
+ VMAIter vma_handle{StripIterConstness(FindVMA(base))};
if (vma_handle == vma_map.end()) {
- // Target address is outside the range managed by the kernel
+ // Target address is outside the managed range
return {};
}
- const VirtualMemoryArea& vma = vma_handle->second;
+ const VirtualMemoryArea& vma{vma_handle->second};
if (vma.type == VirtualMemoryArea::Type::Mapped) {
// Region is already allocated
return {};
}
- const VAddr start_in_vma = base - vma.base;
- const VAddr end_in_vma = start_in_vma + size;
+ const VAddr start_in_vma{base - vma.base};
+ const VAddr end_in_vma{start_in_vma + size};
+
+ ASSERT_MSG(end_in_vma <= vma.size, "region size 0x{:016X} is less than required size 0x{:016X}",
+ vma.size, end_in_vma);
if (end_in_vma < vma.size) {
// Split VMA at the end of the allocated region
@@ -352,17 +353,15 @@ MemoryManager::VMAIter MemoryManager::CarveVMA(GPUVAddr base, u64 size) {
}
MemoryManager::VMAIter MemoryManager::CarveVMARange(GPUVAddr target, u64 size) {
- ASSERT_MSG((size & Tegra::MemoryManager::page_mask) == 0, "non-page aligned size: 0x{:016X}",
- size);
- ASSERT_MSG((target & Tegra::MemoryManager::page_mask) == 0, "non-page aligned base: 0x{:016X}",
- target);
+ ASSERT_MSG((size & page_mask) == 0, "non-page aligned size: 0x{:016X}", size);
+ ASSERT_MSG((target & page_mask) == 0, "non-page aligned base: 0x{:016X}", target);
- const VAddr target_end = target + size;
+ const VAddr target_end{target + size};
ASSERT(target_end >= target);
ASSERT(size > 0);
- VMAIter begin_vma = StripIterConstness(FindVMA(target));
- const VMAIter i_end = vma_map.lower_bound(target_end);
+ VMAIter begin_vma{StripIterConstness(FindVMA(target))};
+ const VMAIter i_end{vma_map.lower_bound(target_end)};
if (std::any_of(begin_vma, i_end, [](const auto& entry) {
return entry.second.type == VirtualMemoryArea::Type::Unmapped;
})) {
@@ -373,7 +372,7 @@ MemoryManager::VMAIter MemoryManager::CarveVMARange(GPUVAddr target, u64 size) {
begin_vma = SplitVMA(begin_vma, target - begin_vma->second.base);
}
- VMAIter end_vma = StripIterConstness(FindVMA(target_end));
+ VMAIter end_vma{StripIterConstness(FindVMA(target_end))};
if (end_vma != vma_map.end() && target_end != end_vma->second.base) {
end_vma = SplitVMA(end_vma, target_end - end_vma->second.base);
}
@@ -382,8 +381,8 @@ MemoryManager::VMAIter MemoryManager::CarveVMARange(GPUVAddr target, u64 size) {
}
MemoryManager::VMAIter MemoryManager::SplitVMA(VMAIter vma_handle, u64 offset_in_vma) {
- VirtualMemoryArea& old_vma = vma_handle->second;
- VirtualMemoryArea new_vma = old_vma; // Make a copy of the VMA
+ VirtualMemoryArea& old_vma{vma_handle->second};
+ VirtualMemoryArea new_vma{old_vma}; // Make a copy of the VMA
// For now, don't allow no-op VMA splits (trying to split at a boundary) because it's probably
// a bug. This restriction might be removed later.
@@ -411,14 +410,14 @@ MemoryManager::VMAIter MemoryManager::SplitVMA(VMAIter vma_handle, u64 offset_in
}
MemoryManager::VMAIter MemoryManager::MergeAdjacent(VMAIter iter) {
- const VMAIter next_vma = std::next(iter);
+ const VMAIter next_vma{std::next(iter)};
if (next_vma != vma_map.end() && iter->second.CanBeMergedWith(next_vma->second)) {
iter->second.size += next_vma->second.size;
vma_map.erase(next_vma);
}
if (iter != vma_map.begin()) {
- VMAIter prev_vma = std::prev(iter);
+ VMAIter prev_vma{std::prev(iter)};
if (prev_vma->second.CanBeMergedWith(iter->second)) {
prev_vma->second.size += iter->second.size;
vma_map.erase(iter);
diff --git a/src/video_core/memory_manager.h b/src/video_core/memory_manager.h
index 76fa3d916..60ba6b858 100644
--- a/src/video_core/memory_manager.h
+++ b/src/video_core/memory_manager.h
@@ -47,8 +47,8 @@ public:
GPUVAddr AllocateSpace(u64 size, u64 align);
GPUVAddr AllocateSpace(GPUVAddr addr, u64 size, u64 align);
- GPUVAddr MapBufferEx(GPUVAddr cpu_addr, u64 size);
- GPUVAddr MapBufferEx(GPUVAddr cpu_addr, GPUVAddr addr, u64 size);
+ GPUVAddr MapBufferEx(VAddr cpu_addr, u64 size);
+ GPUVAddr MapBufferEx(VAddr cpu_addr, GPUVAddr addr, u64 size);
GPUVAddr UnmapBuffer(GPUVAddr addr, u64 size);
std::optional<VAddr> GpuToCpuAddress(GPUVAddr addr);
@@ -96,8 +96,8 @@ private:
/// Converts a VMAHandle to a mutable VMAIter.
VMAIter StripIterConstness(const VMAHandle& iter);
- /// Unmaps the given VMA.
- VMAIter Unmap(VMAIter vma);
+ /// Marks as the specfied VMA as allocated.
+ VMAIter Allocate(VMAIter vma);
/**
* Carves a VMA of a specific size at the specified address by splitting Free VMAs while doing
@@ -135,11 +135,11 @@ private:
static constexpr u64 page_mask{page_size - 1};
/// Address space in bits, this is fairly arbitrary but sufficiently large.
- static constexpr u32 address_space_width = 39;
+ static constexpr u32 address_space_width{39};
/// Start address for mapping, this is fairly arbitrary but must be non-zero.
- static constexpr GPUVAddr address_space_base = 0x100000;
+ static constexpr GPUVAddr address_space_base{0x100000};
/// End of address space, based on address space in bits.
- static constexpr GPUVAddr address_space_end = 1ULL << address_space_width;
+ static constexpr GPUVAddr address_space_end{1ULL << address_space_width};
Common::PageTable page_table{page_bits};
VMAMap vma_map;
From 5a5fccaa23f8670d85666efd6ea12b42883c4edc Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Wed, 20 Mar 2019 22:58:49 -0400
Subject: [PATCH 8/9] memory_manager: Use Common::AlignUp in public interface
as needed.
---
src/video_core/memory_manager.cpp | 33 ++++++++++++++++++++-----------
1 file changed, 22 insertions(+), 11 deletions(-)
diff --git a/src/video_core/memory_manager.cpp b/src/video_core/memory_manager.cpp
index 0c4cf3974..6dc133c93 100644
--- a/src/video_core/memory_manager.cpp
+++ b/src/video_core/memory_manager.cpp
@@ -29,30 +29,39 @@ MemoryManager::MemoryManager() {
}
GPUVAddr MemoryManager::AllocateSpace(u64 size, u64 align) {
+ const u64 aligned_size{Common::AlignUp(size, page_size)};
const GPUVAddr gpu_addr{
- FindFreeRegion(address_space_base, size, align, VirtualMemoryArea::Type::Unmapped)};
- AllocateMemory(gpu_addr, 0, size);
+ FindFreeRegion(address_space_base, aligned_size, align, VirtualMemoryArea::Type::Unmapped)};
+
+ AllocateMemory(gpu_addr, 0, aligned_size);
+
return gpu_addr;
}
GPUVAddr MemoryManager::AllocateSpace(GPUVAddr gpu_addr, u64 size, u64 align) {
- AllocateMemory(gpu_addr, 0, size);
+ const u64 aligned_size{Common::AlignUp(size, page_size)};
+
+ AllocateMemory(gpu_addr, 0, aligned_size);
+
return gpu_addr;
}
GPUVAddr MemoryManager::MapBufferEx(VAddr cpu_addr, u64 size) {
- const GPUVAddr gpu_addr{
- FindFreeRegion(address_space_base, size, page_size, VirtualMemoryArea::Type::Unmapped)};
- MapBackingMemory(gpu_addr, Memory::GetPointer(cpu_addr), ((size + page_mask) & ~page_mask),
- cpu_addr);
+ const u64 aligned_size{Common::AlignUp(size, page_size)};
+ const GPUVAddr gpu_addr{FindFreeRegion(address_space_base, aligned_size, page_size,
+ VirtualMemoryArea::Type::Unmapped)};
+
+ MapBackingMemory(gpu_addr, Memory::GetPointer(cpu_addr), aligned_size, cpu_addr);
+
return gpu_addr;
}
GPUVAddr MemoryManager::MapBufferEx(VAddr cpu_addr, GPUVAddr gpu_addr, u64 size) {
ASSERT((gpu_addr & page_mask) == 0);
- MapBackingMemory(gpu_addr, Memory::GetPointer(cpu_addr), ((size + page_mask) & ~page_mask),
- cpu_addr);
+ const u64 aligned_size{Common::AlignUp(size, page_size)};
+
+ MapBackingMemory(gpu_addr, Memory::GetPointer(cpu_addr), aligned_size, cpu_addr);
return gpu_addr;
}
@@ -60,10 +69,12 @@ GPUVAddr MemoryManager::MapBufferEx(VAddr cpu_addr, GPUVAddr gpu_addr, u64 size)
GPUVAddr MemoryManager::UnmapBuffer(GPUVAddr gpu_addr, u64 size) {
ASSERT((gpu_addr & page_mask) == 0);
+ const u64 aligned_size{Common::AlignUp(size, page_size)};
const CacheAddr cache_addr{ToCacheAddr(GetPointer(gpu_addr))};
- Core::System::GetInstance().Renderer().Rasterizer().FlushAndInvalidateRegion(cache_addr, size);
- UnmapRange(gpu_addr, ((size + page_mask) & ~page_mask));
+ Core::System::GetInstance().Renderer().Rasterizer().FlushAndInvalidateRegion(cache_addr,
+ aligned_size);
+ UnmapRange(gpu_addr, aligned_size);
return gpu_addr;
}
From 2117edd0f848cd7bc35bdbb1495ca10649715625 Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Wed, 20 Mar 2019 23:12:28 -0400
Subject: [PATCH 9/9] memory_manager: Cleanup FindFreeRegion.
---
src/video_core/memory_manager.cpp | 14 ++++----------
src/video_core/memory_manager.h | 4 ++--
2 files changed, 6 insertions(+), 12 deletions(-)
diff --git a/src/video_core/memory_manager.cpp b/src/video_core/memory_manager.cpp
index 6dc133c93..e76b59842 100644
--- a/src/video_core/memory_manager.cpp
+++ b/src/video_core/memory_manager.cpp
@@ -30,8 +30,7 @@ MemoryManager::MemoryManager() {
GPUVAddr MemoryManager::AllocateSpace(u64 size, u64 align) {
const u64 aligned_size{Common::AlignUp(size, page_size)};
- const GPUVAddr gpu_addr{
- FindFreeRegion(address_space_base, aligned_size, align, VirtualMemoryArea::Type::Unmapped)};
+ const GPUVAddr gpu_addr{FindFreeRegion(address_space_base, aligned_size)};
AllocateMemory(gpu_addr, 0, aligned_size);
@@ -48,8 +47,7 @@ GPUVAddr MemoryManager::AllocateSpace(GPUVAddr gpu_addr, u64 size, u64 align) {
GPUVAddr MemoryManager::MapBufferEx(VAddr cpu_addr, u64 size) {
const u64 aligned_size{Common::AlignUp(size, page_size)};
- const GPUVAddr gpu_addr{FindFreeRegion(address_space_base, aligned_size, page_size,
- VirtualMemoryArea::Type::Unmapped)};
+ const GPUVAddr gpu_addr{FindFreeRegion(address_space_base, aligned_size)};
MapBackingMemory(gpu_addr, Memory::GetPointer(cpu_addr), aligned_size, cpu_addr);
@@ -79,14 +77,10 @@ GPUVAddr MemoryManager::UnmapBuffer(GPUVAddr gpu_addr, u64 size) {
return gpu_addr;
}
-GPUVAddr MemoryManager::FindFreeRegion(GPUVAddr region_start, u64 size, u64 align,
- VirtualMemoryArea::Type vma_type) {
-
- align = (align + page_mask) & ~page_mask;
-
+GPUVAddr MemoryManager::FindFreeRegion(GPUVAddr region_start, u64 size) {
// Find the first Free VMA.
const VMAHandle vma_handle{std::find_if(vma_map.begin(), vma_map.end(), [&](const auto& vma) {
- if (vma.second.type != vma_type) {
+ if (vma.second.type != VirtualMemoryArea::Type::Unmapped) {
return false;
}
diff --git a/src/video_core/memory_manager.h b/src/video_core/memory_manager.h
index 60ba6b858..34744bb27 100644
--- a/src/video_core/memory_manager.h
+++ b/src/video_core/memory_manager.h
@@ -126,8 +126,8 @@ private:
/// Updates the pages corresponding to this VMA so they match the VMA's attributes.
void UpdatePageTableForVMA(const VirtualMemoryArea& vma);
- GPUVAddr FindFreeRegion(GPUVAddr region_start, u64 size, u64 align,
- VirtualMemoryArea::Type vma_type);
+ /// Finds a free (unmapped region) of the specified size starting at the specified address.
+ GPUVAddr FindFreeRegion(GPUVAddr region_start, u64 size);
private:
static constexpr u64 page_bits{16};