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memory: Dedup Read and Write and fix logging bugs

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yzct12345 2021-08-07 01:32:06 +00:00 committed by GitHub
parent e611f522c2
commit 70cc4c0f46
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 121 additions and 135 deletions
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256
src/core/memory.cpp
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@ -5,6 +5,10 @@
#include <algorithm>
#include <cstring>
#define BOOST_HANA_CONFIG_ENABLE_STRING_UDL
#include <boost/hana/string.hpp>
#undef BOOST_HANA_CONFIG_ENABLE_STRING_UDL
#include "common/assert.h"
#include "common/atomic_ops.h"
#include "common/common_types.h"
@ -19,6 +23,8 @@
#include "core/memory.h"
#include "video_core/gpu.h"
using namespace boost::hana::literals;
namespace Core::Memory {
// Implementation class used to keep the specifics of the memory subsystem hidden
@ -68,18 +74,6 @@ struct Memory::Impl {
return system.DeviceMemory().GetPointer(paddr) + vaddr;
}
[[nodiscard]] u8* GetPointer(const VAddr vaddr) const {
const uintptr_t raw_pointer = current_page_table->pointers[vaddr >> PAGE_BITS].Raw();
if (u8* const pointer = Common::PageTable::PageInfo::ExtractPointer(raw_pointer)) {
return pointer + vaddr;
}
const auto type = Common::PageTable::PageInfo::ExtractType(raw_pointer);
if (type == Common::PageType::RasterizerCachedMemory) {
return GetPointerFromRasterizerCachedMemory(vaddr);
}
return nullptr;
}
u8 Read8(const VAddr addr) {
return Read<u8>(addr);
}
@ -452,6 +446,83 @@ struct Memory::Impl {
}
}
/**
* Returns a message like "Unmapped NameBits @ 0x{:016X}Suffix".
*
* @tparam NAME The caller name like "Read"_s or "Write"_s.
* @tparam BYTES The number of bits written. 0 is for read and sizeof(T) is for write.
* @tparam SUFFIX A suffix. ""_s is for read and " = 0x{:016X}" is for write.
*/
template <boost::hana::string NAME, int BYTES, boost::hana::string SUFFIX>
static consteval const char* GetPointerImplError() {
constexpr auto unmapped_fmt = ([]() {
constexpr auto prefix = "Unmapped "_s + NAME;
constexpr auto suffix = " @ 0x{:016X}"_s + SUFFIX;
const char* result = nullptr;
switch (BYTES * 8) {
case 0:
result = (prefix + suffix).c_str();
break;
#define BITS_CASE(x) \
case x: \
result = (prefix + BOOST_HANA_STRING(#x) + suffix).c_str(); \
break;
BITS_CASE(8)
BITS_CASE(16)
BITS_CASE(32)
BITS_CASE(64)
BITS_CASE(128)
#undef BITS_CASE
default:
break;
}
return result;
})();
static_assert(unmapped_fmt);
return unmapped_fmt;
}
[[nodiscard]] u8* GetPointerImpl(VAddr vaddr, auto on_unmapped, auto on_rasterizer) const {
// AARCH64 masks the upper 16 bit of all memory accesses
vaddr &= 0xffffffffffffLL;
if (vaddr >= 1uLL << current_page_table->GetAddressSpaceBits()) {
on_unmapped();
return nullptr;
}
// Avoid adding any extra logic to this fast-path block
const uintptr_t raw_pointer = current_page_table->pointers[vaddr >> PAGE_BITS].Raw();
if (u8* const pointer = Common::PageTable::PageInfo::ExtractPointer(raw_pointer)) {
return &pointer[vaddr];
}
switch (Common::PageTable::PageInfo::ExtractType(raw_pointer)) {
case Common::PageType::Unmapped:
on_unmapped();
return nullptr;
case Common::PageType::Memory:
ASSERT_MSG(false, "Mapped memory page without a pointer @ 0x{:016X}", vaddr);
return nullptr;
case Common::PageType::RasterizerCachedMemory: {
u8* const host_ptr{GetPointerFromRasterizerCachedMemory(vaddr)};
on_rasterizer();
return host_ptr;
}
default:
UNREACHABLE();
}
return nullptr;
}
[[nodiscard]] u8* GetPointer(const VAddr vaddr) const {
return GetPointerImpl(
vaddr,
[vaddr]() {
LOG_ERROR(HW_Memory, GetPointerImplError<"GetPointer"_s, 0, ""_s>(), vaddr);
},
[]() {});
}
/**
* Reads a particular data type out of memory at the given virtual address.
*
@ -465,39 +536,17 @@ struct Memory::Impl {
*/
template <typename T>
T Read(VAddr vaddr) {
// AARCH64 masks the upper 16 bit of all memory accesses
vaddr &= 0xffffffffffffLL;
if (vaddr >= 1uLL << current_page_table->GetAddressSpaceBits()) {
LOG_ERROR(HW_Memory, "Unmapped Read{} @ 0x{:08X}", sizeof(T) * 8, vaddr);
return 0;
T result = 0;
const u8* const ptr = GetPointerImpl(
vaddr,
[vaddr]() {
LOG_ERROR(HW_Memory, GetPointerImplError<"Read"_s, sizeof(T), ""_s>(), vaddr);
},
[&system = system, vaddr]() { system.GPU().FlushRegion(vaddr, sizeof(T)); });
if (ptr) {
std::memcpy(&result, ptr, sizeof(T));
}
// Avoid adding any extra logic to this fast-path block
const uintptr_t raw_pointer = current_page_table->pointers[vaddr >> PAGE_BITS].Raw();
if (const u8* const pointer = Common::PageTable::PageInfo::ExtractPointer(raw_pointer)) {
T value;
std::memcpy(&value, &pointer[vaddr], sizeof(T));
return value;
}
switch (Common::PageTable::PageInfo::ExtractType(raw_pointer)) {
case Common::PageType::Unmapped:
LOG_ERROR(HW_Memory, "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;
case Common::PageType::RasterizerCachedMemory: {
const u8* const host_ptr{GetPointerFromRasterizerCachedMemory(vaddr)};
system.GPU().FlushRegion(vaddr, sizeof(T));
T value;
std::memcpy(&value, host_ptr, sizeof(T));
return value;
}
default:
UNREACHABLE();
}
return {};
return result;
}
/**
@ -511,110 +560,47 @@ struct Memory::Impl {
*/
template <typename T>
void Write(VAddr vaddr, const T data) {
// AARCH64 masks the upper 16 bit of all memory accesses
vaddr &= 0xffffffffffffLL;
if (vaddr >= 1uLL << current_page_table->GetAddressSpaceBits()) {
LOG_ERROR(HW_Memory, "Unmapped Write{} 0x{:08X} @ 0x{:016X}", sizeof(data) * 8,
static_cast<u32>(data), vaddr);
return;
}
// Avoid adding any extra logic to this fast-path block
const uintptr_t raw_pointer = current_page_table->pointers[vaddr >> PAGE_BITS].Raw();
if (u8* const pointer = Common::PageTable::PageInfo::ExtractPointer(raw_pointer)) {
std::memcpy(&pointer[vaddr], &data, sizeof(T));
return;
}
switch (Common::PageTable::PageInfo::ExtractType(raw_pointer)) {
case Common::PageType::Unmapped:
LOG_ERROR(HW_Memory, "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;
case Common::PageType::RasterizerCachedMemory: {
u8* const host_ptr{GetPointerFromRasterizerCachedMemory(vaddr)};
system.GPU().InvalidateRegion(vaddr, sizeof(T));
std::memcpy(host_ptr, &data, sizeof(T));
break;
}
default:
UNREACHABLE();
u8* const ptr = GetPointerImpl(
vaddr,
[vaddr, data]() {
LOG_ERROR(HW_Memory, GetPointerImplError<"Write"_s, sizeof(T), " = 0x{:016X}"_s>(),
vaddr, static_cast<u64>(data));
},
[&system = system, vaddr]() { system.GPU().InvalidateRegion(vaddr, sizeof(T)); });
if (ptr) {
std::memcpy(ptr, &data, sizeof(T));
}
}
template <typename T>
bool WriteExclusive(VAddr vaddr, const T data, const T expected) {
// AARCH64 masks the upper 16 bit of all memory accesses
vaddr &= 0xffffffffffffLL;
if (vaddr >= 1uLL << current_page_table->GetAddressSpaceBits()) {
LOG_ERROR(HW_Memory, "Unmapped Write{} 0x{:08X} @ 0x{:016X}", sizeof(data) * 8,
static_cast<u32>(data), vaddr);
return true;
}
const uintptr_t raw_pointer = current_page_table->pointers[vaddr >> PAGE_BITS].Raw();
if (u8* const pointer = Common::PageTable::PageInfo::ExtractPointer(raw_pointer)) {
// NOTE: Avoid adding any extra logic to this fast-path block
const auto volatile_pointer = reinterpret_cast<volatile T*>(&pointer[vaddr]);
u8* const ptr = GetPointerImpl(
vaddr,
[vaddr, data]() {
LOG_ERROR(HW_Memory, GetPointerImplError<"Write"_s, sizeof(T), " = 0x{:016X}"_s>(),
vaddr, static_cast<u64>(data));
},
[&system = system, vaddr]() { system.GPU().InvalidateRegion(vaddr, sizeof(T)); });
if (ptr) {
const auto volatile_pointer = reinterpret_cast<volatile T*>(ptr);
return Common::AtomicCompareAndSwap(volatile_pointer, data, expected);
}
switch (Common::PageTable::PageInfo::ExtractType(raw_pointer)) {
case Common::PageType::Unmapped:
LOG_ERROR(HW_Memory, "Unmapped Write{} 0x{:08X} @ 0x{:016X}", sizeof(data) * 8,
static_cast<u32>(data), vaddr);
return true;
case Common::PageType::Memory:
ASSERT_MSG(false, "Mapped memory page without a pointer @ {:016X}", vaddr);
break;
case Common::PageType::RasterizerCachedMemory: {
u8* host_ptr{GetPointerFromRasterizerCachedMemory(vaddr)};
system.GPU().InvalidateRegion(vaddr, sizeof(T));
auto* pointer = reinterpret_cast<volatile T*>(&host_ptr);
return Common::AtomicCompareAndSwap(pointer, data, expected);
}
default:
UNREACHABLE();
}
return true;
}
bool WriteExclusive128(VAddr vaddr, const u128 data, const u128 expected) {
// AARCH64 masks the upper 16 bit of all memory accesses
vaddr &= 0xffffffffffffLL;
if (vaddr >= 1uLL << current_page_table->GetAddressSpaceBits()) {
LOG_ERROR(HW_Memory, "Unmapped Write{} 0x{:08X} @ 0x{:016X}", sizeof(data) * 8,
static_cast<u32>(data[0]), vaddr);
return true;
}
const uintptr_t raw_pointer = current_page_table->pointers[vaddr >> PAGE_BITS].Raw();
if (u8* const pointer = Common::PageTable::PageInfo::ExtractPointer(raw_pointer)) {
// NOTE: Avoid adding any extra logic to this fast-path block
const auto volatile_pointer = reinterpret_cast<volatile u64*>(&pointer[vaddr]);
u8* const ptr = GetPointerImpl(
vaddr,
[vaddr, data]() {
LOG_ERROR(HW_Memory,
GetPointerImplError<"Write"_s, sizeof(u128), " = 0x{:016X}{:016X}"_s>(),
vaddr, static_cast<u64>(data[1]), static_cast<u64>(data[0]));
},
[&system = system, vaddr]() { system.GPU().InvalidateRegion(vaddr, sizeof(u128)); });
if (ptr) {
const auto volatile_pointer = reinterpret_cast<volatile u64*>(ptr);
return Common::AtomicCompareAndSwap(volatile_pointer, data, expected);
}
switch (Common::PageTable::PageInfo::ExtractType(raw_pointer)) {
case Common::PageType::Unmapped:
LOG_ERROR(HW_Memory, "Unmapped Write{} 0x{:08X} @ 0x{:016X}{:016X}", sizeof(data) * 8,
static_cast<u64>(data[1]), static_cast<u64>(data[0]), vaddr);
return true;
case Common::PageType::Memory:
ASSERT_MSG(false, "Mapped memory page without a pointer @ {:016X}", vaddr);
break;
case Common::PageType::RasterizerCachedMemory: {
u8* host_ptr{GetPointerFromRasterizerCachedMemory(vaddr)};
system.GPU().InvalidateRegion(vaddr, sizeof(u128));
auto* pointer = reinterpret_cast<volatile u64*>(&host_ptr);
return Common::AtomicCompareAndSwap(pointer, data, expected);
}
default:
UNREACHABLE();
}
return true;
}