Mirrors/shadPS4
1
0
Fork 0
mirror of https://github.com/shadps4-emu/shadPS4.git synced 2025-06-10 20:53:15 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

Add initial macOS support.

Browse source
This commit is contained in:
squidbus 2024-07-09 02:18:34 -07:00 • committed by TheTurtle
parent 36d528743a
commit 66fa29059c
29 changed files with 523 additions and 26 deletions
Download patch file Download diff file Expand all files Collapse all files

20
src/video_core/texture_cache/texture_cache.cpp
View file

@ -36,7 +36,14 @@ static TextureCache* g_texture_cache = nullptr;
void GuestFaultSignalHandler(int sig, siginfo_t* info, void* raw_context) {
ucontext_t* ctx = reinterpret_cast<ucontext_t*>(raw_context);
const VAddr address = reinterpret_cast<VAddr>(info->si_addr);
if (ctx->uc_mcontext.gregs[REG_ERR] & 0x2) {
#ifdef __APPLE__
const u32 err = ctx->uc_mcontext->__es.__err;
#else
const greg_t err = ctx->uc_mcontext.gregs[REG_ERR];
#endif
if (err & 0x2) {
g_texture_cache->OnCpuWrite(address);
} else {
// Read not supported!
@ -69,9 +76,16 @@ TextureCache::TextureCache(const Vulkan::Instance& instance_, Vulkan::Scheduler&
tile_manager{instance, scheduler} {
#ifndef _WIN64
#ifdef __APPLE__
// Read-only memory write results in SIGBUS on Apple.
static constexpr int SignalType = SIGBUS;
#else
static constexpr int SignalType = SIGSEGV;
#endif
sigset_t signal_mask;
sigemptyset(&signal_mask);
sigaddset(&signal_mask, SIGSEGV);
sigaddset(&signal_mask, SignalType);
using HandlerType = decltype(sigaction::sa_sigaction);
@ -79,7 +93,7 @@ TextureCache::TextureCache(const Vulkan::Instance& instance_, Vulkan::Scheduler&
guest_access_fault.sa_flags = SA_SIGINFO | SA_ONSTACK;
guest_access_fault.sa_sigaction = &GuestFaultSignalHandler;
guest_access_fault.sa_mask = signal_mask;
sigaction(SIGSEGV, &guest_access_fault, nullptr);
sigaction(SignalType, &guest_access_fault, nullptr);
#else
veh_handle = AddVectoredExceptionHandler(0, GuestFaultSignalHandler);
ASSERT_MSG(veh_handle, "Failed to register an exception handler");