fabi/Xenia-Canary
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Revert "Minor decoder optimizations, kernel fixes, cpu backend fixes"

Browse Source
This commit is contained in:
chrisps
2022-11-01 14:45:36 -07:00
committed by GitHub
parent 781871e2d5
commit 8186792113
41 changed files with 589 additions and 1002 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
src/xenia/kernel/xboxkrnl/xboxkrnl_threading.cc
View File

@@ -9,6 +9,7 @@
#include <algorithm>
#include <vector>
#include "xenia/base/atomic.h"
#include "xenia/base/clock.h"
#include "xenia/base/logging.h"
@@ -912,7 +913,7 @@ dword_result_t NtWaitForMultipleObjectsEx_entry(
dword_t count, lpdword_t handles, dword_t wait_type, dword_t wait_mode,
dword_t alertable, lpqword_t timeout_ptr) {
uint64_t timeout = timeout_ptr ? static_cast<uint64_t>(*timeout_ptr) : 0u;
if (!count || count > 64 || (wait_type != 1 && wait_type)) {
if (!count || count > 64 || wait_type != 1 && wait_type) {
return X_STATUS_INVALID_PARAMETER;
}
return xeNtWaitForMultipleObjectsEx(count, handles, wait_type, wait_mode,
@@ -963,7 +964,7 @@ uint32_t xeKeKfAcquireSpinLock(uint32_t* lock, uint64_t r13 = 1) {
PrefetchForCAS(lock);
assert_true(*lock != static_cast<uint32_t>(r13));
// Lock.
while (!xe::atomic_cas(0, xe::byte_swap(static_cast<uint32_t>(r13)), lock)) {
while (!xe::atomic_cas(0, static_cast<uint32_t>(r13), lock)) {
// Spin!
// TODO(benvanik): error on deadlock?
xe::threading::MaybeYield();
@@ -977,7 +978,7 @@ uint32_t xeKeKfAcquireSpinLock(uint32_t* lock, uint64_t r13 = 1) {
}
dword_result_t KfAcquireSpinLock_entry(lpdword_t lock_ptr,
const ppc_context_t& ppc_context) {
ppc_context_t& ppc_context) {
auto lock = reinterpret_cast<uint32_t*>(lock_ptr.host_address());
return xeKeKfAcquireSpinLock(lock, ppc_context->r[13]);
}
@@ -996,7 +997,9 @@ void xeKeKfReleaseSpinLock(uint32_t* lock, dword_t old_irql) {
}
void KfReleaseSpinLock_entry(lpdword_t lock_ptr, dword_t old_irql,
const ppc_context_t& ppc_ctx) {
ppc_context_t& ppc_ctx) {
auto lock = reinterpret_cast<uint32_t*>(lock_ptr.host_address());
assert_true(*lock_ptr == static_cast<uint32_t>(ppc_ctx->r[13]));
*lock_ptr = 0;
@@ -1011,14 +1014,14 @@ DECLARE_XBOXKRNL_EXPORT2(KfReleaseSpinLock, kThreading, kImplemented,
kHighFrequency);
// todo: this is not accurate
void KeAcquireSpinLockAtRaisedIrql_entry(lpdword_t lock_ptr,
const ppc_context_t& ppc_ctx) {
ppc_context_t& ppc_ctx) {
// Lock.
auto lock = reinterpret_cast<uint32_t*>(lock_ptr.host_address());
// must not be our own thread
assert_true(*lock_ptr != static_cast<uint32_t>(ppc_ctx->r[13]));
PrefetchForCAS(lock);
while (!xe::atomic_cas(0, xe::byte_swap(static_cast<uint32_t>(ppc_ctx->r[13])), lock)) {
while (!xe::atomic_cas(0, static_cast<uint32_t>(ppc_ctx->r[13]), lock)) {
#if XE_ARCH_AMD64 == 1
// todo: this is just a nop if they don't have SMT, which is not great
// either...
@@ -1033,12 +1036,12 @@ DECLARE_XBOXKRNL_EXPORT3(KeAcquireSpinLockAtRaisedIrql, kThreading,
kImplemented, kBlocking, kHighFrequency);
dword_result_t KeTryToAcquireSpinLockAtRaisedIrql_entry(
lpdword_t lock_ptr, const ppc_context_t& ppc_ctx) {
lpdword_t lock_ptr, ppc_context_t& ppc_ctx) {
// Lock.
auto lock = reinterpret_cast<uint32_t*>(lock_ptr.host_address());
assert_true(*lock_ptr != static_cast<uint32_t>(ppc_ctx->r[13]));
PrefetchForCAS(lock);
if (!xe::atomic_cas(0, xe::byte_swap(static_cast<uint32_t>(ppc_ctx->r[13])), lock)) {
if (!xe::atomic_cas(0, static_cast<uint32_t>(ppc_ctx->r[13]), lock)) {
return 0;
}
return 1;
@@ -1047,9 +1050,10 @@ DECLARE_XBOXKRNL_EXPORT4(KeTryToAcquireSpinLockAtRaisedIrql, kThreading,
kImplemented, kBlocking, kHighFrequency, kSketchy);
void KeReleaseSpinLockFromRaisedIrql_entry(lpdword_t lock_ptr,
const ppc_context_t& ppc_ctx) {
ppc_context_t& ppc_ctx) {
// Unlock.
assert_true(*lock_ptr == static_cast<uint32_t>(ppc_ctx->r[13]));
auto lock = reinterpret_cast<uint32_t*>(lock_ptr.host_address());
*lock_ptr = 0;
}
DECLARE_XBOXKRNL_EXPORT2(KeReleaseSpinLockFromRaisedIrql, kThreading,
@@ -1279,8 +1283,7 @@ void ExInitializeReadWriteLock_entry(pointer_t<X_ERWLOCK> lock_ptr) {
}
DECLARE_XBOXKRNL_EXPORT1(ExInitializeReadWriteLock, kThreading, kImplemented);
void ExAcquireReadWriteLockExclusive_entry(pointer_t<X_ERWLOCK> lock_ptr,
const ppc_context_t& ppc_context) {
void ExAcquireReadWriteLockExclusive_entry(pointer_t<X_ERWLOCK> lock_ptr, ppc_context_t& ppc_context) {
auto old_irql = xeKeKfAcquireSpinLock(&lock_ptr->spin_lock, ppc_context->r[13]);
int32_t lock_count = ++lock_ptr->lock_count;
@@ -1298,7 +1301,7 @@ DECLARE_XBOXKRNL_EXPORT2(ExAcquireReadWriteLockExclusive, kThreading,
kImplemented, kBlocking);
dword_result_t ExTryToAcquireReadWriteLockExclusive_entry(
pointer_t<X_ERWLOCK> lock_ptr, const ppc_context_t& ppc_context) {
pointer_t<X_ERWLOCK> lock_ptr, ppc_context_t& ppc_context) {
auto old_irql =
xeKeKfAcquireSpinLock(&lock_ptr->spin_lock, ppc_context->r[13]);
@@ -1317,7 +1320,7 @@ DECLARE_XBOXKRNL_EXPORT1(ExTryToAcquireReadWriteLockExclusive, kThreading,
kImplemented);
void ExAcquireReadWriteLockShared_entry(pointer_t<X_ERWLOCK> lock_ptr,
const ppc_context_t& ppc_context) {
ppc_context_t& ppc_context) {
auto old_irql = xeKeKfAcquireSpinLock(&lock_ptr->spin_lock, ppc_context->r[13]);
int32_t lock_count = ++lock_ptr->lock_count;
@@ -1337,7 +1340,7 @@ DECLARE_XBOXKRNL_EXPORT2(ExAcquireReadWriteLockShared, kThreading, kImplemented,
kBlocking);
dword_result_t ExTryToAcquireReadWriteLockShared_entry(
pointer_t<X_ERWLOCK> lock_ptr, const ppc_context_t& ppc_context) {
pointer_t<X_ERWLOCK> lock_ptr, ppc_context_t& ppc_context) {
auto old_irql =
xeKeKfAcquireSpinLock(&lock_ptr->spin_lock, ppc_context->r[13]);
@@ -1358,7 +1361,7 @@ DECLARE_XBOXKRNL_EXPORT1(ExTryToAcquireReadWriteLockShared, kThreading,
kImplemented);
void ExReleaseReadWriteLock_entry(pointer_t<X_ERWLOCK> lock_ptr,
const ppc_context_t& ppc_context) {
ppc_context_t& ppc_context) {
auto old_irql =
xeKeKfAcquireSpinLock(&lock_ptr->spin_lock, ppc_context->r[13]);
@@ -1401,7 +1404,7 @@ pointer_result_t InterlockedPushEntrySList_entry(
assert_not_null(entry);
alignas(8) X_SLIST_HEADER old_hdr = *plist_ptr;
alignas(8) X_SLIST_HEADER new_hdr = {{0}, 0, 0};
alignas(8) X_SLIST_HEADER new_hdr = {0};
uint32_t old_head = 0;
do {
old_hdr = *plist_ptr;
@@ -1425,8 +1428,8 @@ pointer_result_t InterlockedPopEntrySList_entry(
assert_not_null(plist_ptr);
uint32_t popped = 0;
alignas(8) X_SLIST_HEADER old_hdr = {{0}, 0, 0};
alignas(8) X_SLIST_HEADER new_hdr = {{0}, 0, 0};
alignas(8) X_SLIST_HEADER old_hdr = {0};
alignas(8) X_SLIST_HEADER new_hdr = {0};
do {
old_hdr = *plist_ptr;
auto next = kernel_memory()->TranslateVirtual<X_SINGLE_LIST_ENTRY*>(
@@ -1453,7 +1456,7 @@ pointer_result_t InterlockedFlushSList_entry(
assert_not_null(plist_ptr);
alignas(8) X_SLIST_HEADER old_hdr = *plist_ptr;
alignas(8) X_SLIST_HEADER new_hdr = {{0}, 0, 0};
alignas(8) X_SLIST_HEADER new_hdr = {0};
uint32_t first = 0;
do {
old_hdr = *plist_ptr;