Merge pull request #1630 from bunnei/fix-mapbufferex
memory_manager: Do not MapBufferEx over already in use memory.
This commit is contained in:
commit
81ff9e2473
|
@ -4,18 +4,21 @@
|
||||||
|
|
||||||
#include "common/alignment.h"
|
#include "common/alignment.h"
|
||||||
#include "common/assert.h"
|
#include "common/assert.h"
|
||||||
|
#include "common/logging/log.h"
|
||||||
#include "video_core/memory_manager.h"
|
#include "video_core/memory_manager.h"
|
||||||
|
|
||||||
namespace Tegra {
|
namespace Tegra {
|
||||||
|
|
||||||
GPUVAddr MemoryManager::AllocateSpace(u64 size, u64 align) {
|
GPUVAddr MemoryManager::AllocateSpace(u64 size, u64 align) {
|
||||||
std::optional<GPUVAddr> gpu_addr = FindFreeBlock(size, align);
|
const std::optional<GPUVAddr> gpu_addr{FindFreeBlock(0, size, align, PageStatus::Unmapped)};
|
||||||
ASSERT(gpu_addr);
|
|
||||||
|
|
||||||
for (u64 offset = 0; offset < size; offset += PAGE_SIZE) {
|
ASSERT_MSG(gpu_addr, "unable to find available GPU memory");
|
||||||
VAddr& slot = PageSlot(*gpu_addr + offset);
|
|
||||||
|
for (u64 offset{}; offset < size; offset += PAGE_SIZE) {
|
||||||
|
VAddr& slot{PageSlot(*gpu_addr + offset)};
|
||||||
|
|
||||||
ASSERT(slot == static_cast<u64>(PageStatus::Unmapped));
|
ASSERT(slot == static_cast<u64>(PageStatus::Unmapped));
|
||||||
|
|
||||||
slot = static_cast<u64>(PageStatus::Allocated);
|
slot = static_cast<u64>(PageStatus::Allocated);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -23,10 +26,11 @@ GPUVAddr MemoryManager::AllocateSpace(u64 size, u64 align) {
|
||||||
}
|
}
|
||||||
|
|
||||||
GPUVAddr MemoryManager::AllocateSpace(GPUVAddr gpu_addr, u64 size, u64 align) {
|
GPUVAddr MemoryManager::AllocateSpace(GPUVAddr gpu_addr, u64 size, u64 align) {
|
||||||
for (u64 offset = 0; offset < size; offset += PAGE_SIZE) {
|
for (u64 offset{}; offset < size; offset += PAGE_SIZE) {
|
||||||
VAddr& slot = PageSlot(gpu_addr + offset);
|
VAddr& slot{PageSlot(gpu_addr + offset)};
|
||||||
|
|
||||||
ASSERT(slot == static_cast<u64>(PageStatus::Unmapped));
|
ASSERT(slot == static_cast<u64>(PageStatus::Unmapped));
|
||||||
|
|
||||||
slot = static_cast<u64>(PageStatus::Allocated);
|
slot = static_cast<u64>(PageStatus::Allocated);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -34,17 +38,19 @@ GPUVAddr MemoryManager::AllocateSpace(GPUVAddr gpu_addr, u64 size, u64 align) {
|
||||||
}
|
}
|
||||||
|
|
||||||
GPUVAddr MemoryManager::MapBufferEx(VAddr cpu_addr, u64 size) {
|
GPUVAddr MemoryManager::MapBufferEx(VAddr cpu_addr, u64 size) {
|
||||||
std::optional<GPUVAddr> gpu_addr = FindFreeBlock(size, PAGE_SIZE);
|
const std::optional<GPUVAddr> gpu_addr{FindFreeBlock(0, size, PAGE_SIZE, PageStatus::Unmapped)};
|
||||||
ASSERT(gpu_addr);
|
|
||||||
|
|
||||||
for (u64 offset = 0; offset < size; offset += PAGE_SIZE) {
|
ASSERT_MSG(gpu_addr, "unable to find available GPU memory");
|
||||||
VAddr& slot = PageSlot(*gpu_addr + offset);
|
|
||||||
|
for (u64 offset{}; offset < size; offset += PAGE_SIZE) {
|
||||||
|
VAddr& slot{PageSlot(*gpu_addr + offset)};
|
||||||
|
|
||||||
ASSERT(slot == static_cast<u64>(PageStatus::Unmapped));
|
ASSERT(slot == static_cast<u64>(PageStatus::Unmapped));
|
||||||
|
|
||||||
slot = cpu_addr + offset;
|
slot = cpu_addr + offset;
|
||||||
}
|
}
|
||||||
|
|
||||||
MappedRegion region{cpu_addr, *gpu_addr, size};
|
const MappedRegion region{cpu_addr, *gpu_addr, size};
|
||||||
mapped_regions.push_back(region);
|
mapped_regions.push_back(region);
|
||||||
|
|
||||||
return *gpu_addr;
|
return *gpu_addr;
|
||||||
|
@ -53,14 +59,31 @@ GPUVAddr MemoryManager::MapBufferEx(VAddr cpu_addr, u64 size) {
|
||||||
GPUVAddr MemoryManager::MapBufferEx(VAddr cpu_addr, GPUVAddr gpu_addr, u64 size) {
|
GPUVAddr MemoryManager::MapBufferEx(VAddr cpu_addr, GPUVAddr gpu_addr, u64 size) {
|
||||||
ASSERT((gpu_addr & PAGE_MASK) == 0);
|
ASSERT((gpu_addr & PAGE_MASK) == 0);
|
||||||
|
|
||||||
for (u64 offset = 0; offset < size; offset += PAGE_SIZE) {
|
if (PageSlot(gpu_addr) != static_cast<u64>(PageStatus::Allocated)) {
|
||||||
VAddr& slot = PageSlot(gpu_addr + offset);
|
// 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.
|
||||||
|
|
||||||
|
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));
|
ASSERT(slot == static_cast<u64>(PageStatus::Allocated));
|
||||||
|
|
||||||
slot = cpu_addr + offset;
|
slot = cpu_addr + offset;
|
||||||
}
|
}
|
||||||
|
|
||||||
MappedRegion region{cpu_addr, gpu_addr, size};
|
const MappedRegion region{cpu_addr, gpu_addr, size};
|
||||||
mapped_regions.push_back(region);
|
mapped_regions.push_back(region);
|
||||||
|
|
||||||
return gpu_addr;
|
return gpu_addr;
|
||||||
|
@ -69,11 +92,12 @@ GPUVAddr MemoryManager::MapBufferEx(VAddr cpu_addr, GPUVAddr gpu_addr, u64 size)
|
||||||
GPUVAddr MemoryManager::UnmapBuffer(GPUVAddr gpu_addr, u64 size) {
|
GPUVAddr MemoryManager::UnmapBuffer(GPUVAddr gpu_addr, u64 size) {
|
||||||
ASSERT((gpu_addr & PAGE_MASK) == 0);
|
ASSERT((gpu_addr & PAGE_MASK) == 0);
|
||||||
|
|
||||||
for (u64 offset = 0; offset < size; offset += PAGE_SIZE) {
|
for (u64 offset{}; offset < size; offset += PAGE_SIZE) {
|
||||||
VAddr& slot = PageSlot(gpu_addr + offset);
|
VAddr& slot{PageSlot(gpu_addr + offset)};
|
||||||
|
|
||||||
ASSERT(slot != static_cast<u64>(PageStatus::Allocated) &&
|
ASSERT(slot != static_cast<u64>(PageStatus::Allocated) &&
|
||||||
slot != static_cast<u64>(PageStatus::Unmapped));
|
slot != static_cast<u64>(PageStatus::Unmapped));
|
||||||
|
|
||||||
slot = static_cast<u64>(PageStatus::Unmapped);
|
slot = static_cast<u64>(PageStatus::Unmapped);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -97,13 +121,14 @@ GPUVAddr MemoryManager::GetRegionEnd(GPUVAddr region_start) const {
|
||||||
return {};
|
return {};
|
||||||
}
|
}
|
||||||
|
|
||||||
std::optional<GPUVAddr> MemoryManager::FindFreeBlock(u64 size, u64 align) {
|
std::optional<GPUVAddr> MemoryManager::FindFreeBlock(GPUVAddr region_start, u64 size, u64 align,
|
||||||
GPUVAddr gpu_addr = 0;
|
PageStatus status) {
|
||||||
u64 free_space = 0;
|
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) {
|
while (gpu_addr + free_space < MAX_ADDRESS) {
|
||||||
if (!IsPageMapped(gpu_addr + free_space)) {
|
if (PageSlot(gpu_addr + free_space) == static_cast<u64>(status)) {
|
||||||
free_space += PAGE_SIZE;
|
free_space += PAGE_SIZE;
|
||||||
if (free_space >= size) {
|
if (free_space >= size) {
|
||||||
return gpu_addr;
|
return gpu_addr;
|
||||||
|
@ -119,7 +144,7 @@ std::optional<GPUVAddr> MemoryManager::FindFreeBlock(u64 size, u64 align) {
|
||||||
}
|
}
|
||||||
|
|
||||||
std::optional<VAddr> MemoryManager::GpuToCpuAddress(GPUVAddr gpu_addr) {
|
std::optional<VAddr> MemoryManager::GpuToCpuAddress(GPUVAddr gpu_addr) {
|
||||||
VAddr base_addr = PageSlot(gpu_addr);
|
const VAddr base_addr{PageSlot(gpu_addr)};
|
||||||
|
|
||||||
if (base_addr == static_cast<u64>(PageStatus::Allocated) ||
|
if (base_addr == static_cast<u64>(PageStatus::Allocated) ||
|
||||||
base_addr == static_cast<u64>(PageStatus::Unmapped)) {
|
base_addr == static_cast<u64>(PageStatus::Unmapped)) {
|
||||||
|
@ -133,19 +158,15 @@ std::vector<GPUVAddr> MemoryManager::CpuToGpuAddress(VAddr cpu_addr) const {
|
||||||
std::vector<GPUVAddr> results;
|
std::vector<GPUVAddr> results;
|
||||||
for (const auto& region : mapped_regions) {
|
for (const auto& region : mapped_regions) {
|
||||||
if (cpu_addr >= region.cpu_addr && cpu_addr < (region.cpu_addr + region.size)) {
|
if (cpu_addr >= region.cpu_addr && cpu_addr < (region.cpu_addr + region.size)) {
|
||||||
u64 offset = cpu_addr - region.cpu_addr;
|
const u64 offset{cpu_addr - region.cpu_addr};
|
||||||
results.push_back(region.gpu_addr + offset);
|
results.push_back(region.gpu_addr + offset);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
return results;
|
return results;
|
||||||
}
|
}
|
||||||
|
|
||||||
bool MemoryManager::IsPageMapped(GPUVAddr gpu_addr) {
|
|
||||||
return PageSlot(gpu_addr) != static_cast<u64>(PageStatus::Unmapped);
|
|
||||||
}
|
|
||||||
|
|
||||||
VAddr& MemoryManager::PageSlot(GPUVAddr gpu_addr) {
|
VAddr& MemoryManager::PageSlot(GPUVAddr gpu_addr) {
|
||||||
auto& block = page_table[(gpu_addr >> (PAGE_BITS + PAGE_TABLE_BITS)) & PAGE_TABLE_MASK];
|
auto& block{page_table[(gpu_addr >> (PAGE_BITS + PAGE_TABLE_BITS)) & PAGE_TABLE_MASK]};
|
||||||
if (!block) {
|
if (!block) {
|
||||||
block = std::make_unique<PageBlock>();
|
block = std::make_unique<PageBlock>();
|
||||||
block->fill(static_cast<VAddr>(PageStatus::Unmapped));
|
block->fill(static_cast<VAddr>(PageStatus::Unmapped));
|
||||||
|
|
|
@ -34,15 +34,15 @@ public:
|
||||||
static constexpr u64 PAGE_MASK = PAGE_SIZE - 1;
|
static constexpr u64 PAGE_MASK = PAGE_SIZE - 1;
|
||||||
|
|
||||||
private:
|
private:
|
||||||
std::optional<GPUVAddr> FindFreeBlock(u64 size, u64 align = 1);
|
|
||||||
bool IsPageMapped(GPUVAddr gpu_addr);
|
|
||||||
VAddr& PageSlot(GPUVAddr gpu_addr);
|
|
||||||
|
|
||||||
enum class PageStatus : u64 {
|
enum class PageStatus : u64 {
|
||||||
Unmapped = 0xFFFFFFFFFFFFFFFFULL,
|
Unmapped = 0xFFFFFFFFFFFFFFFFULL,
|
||||||
Allocated = 0xFFFFFFFFFFFFFFFEULL,
|
Allocated = 0xFFFFFFFFFFFFFFFEULL,
|
||||||
};
|
};
|
||||||
|
|
||||||
|
std::optional<GPUVAddr> FindFreeBlock(GPUVAddr region_start, u64 size, u64 align,
|
||||||
|
PageStatus status);
|
||||||
|
VAddr& PageSlot(GPUVAddr gpu_addr);
|
||||||
|
|
||||||
static constexpr u64 MAX_ADDRESS{0x10000000000ULL};
|
static constexpr u64 MAX_ADDRESS{0x10000000000ULL};
|
||||||
static constexpr u64 PAGE_TABLE_BITS{10};
|
static constexpr u64 PAGE_TABLE_BITS{10};
|
||||||
static constexpr u64 PAGE_TABLE_SIZE{1 << PAGE_TABLE_BITS};
|
static constexpr u64 PAGE_TABLE_SIZE{1 << PAGE_TABLE_BITS};
|
||||||
|
|
Reference in New Issue