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kernel: implement sceKernelClearVirtualRangeName (#466)

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This commit is contained in:
Brandon Strong
2026-09-02 16:50:14 -07:00
committed by GitHub
parent 5c86f894be
commit c85bd45604
3 changed files with 20 additions and 0 deletions
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src/kernel/memory.cpp
+18
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@@ -2445,6 +2445,24 @@ int KYTY_SYSV_ABI KernelSetVirtualRangeName(const void* addr, uint64_t len, cons
return OK;
}
int KYTY_SYSV_ABI KernelClearVirtualRangeName(const void* addr, uint64_t len) {
PRINT_NAME();
std::lock_guard<std::recursive_mutex> memory_operation_lock(g_memory_operation_mutex);
auto vaddr = reinterpret_cast<uint64_t>(addr);
LOGF("\t addr = 0x%016" PRIx64 "\n"
"\t len = 0x%016" PRIx64 "\n",
vaddr, len);
g_physical_memory->SetVirtualRangeName(vaddr, len, "");
g_flexible_memory->SetVirtualRangeName(vaddr, len, "");
g_virtual_ranges->Rename(vaddr, len, "");
return OK;
}
static bool FreeGuestMemoryOwner(uint64_t vaddr, uint64_t size) {
return g_guest_address_space->ReleaseCommitted(vaddr, size) &&
g_virtual_ranges->Remove(vaddr, size);
src/kernel/memory.h
+1
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@@ -121,6 +121,7 @@ int KYTY_SYSV_ABI KernelMapNamedFlexibleMemory(void** addr_in_out, size_t len, i
const char* name);
int KYTY_SYSV_ABI KernelMapFlexibleMemory(void** addr_in_out, size_t len, int prot, int flags);
int KYTY_SYSV_ABI KernelSetVirtualRangeName(const void* addr, uint64_t len, const char* name);
int KYTY_SYSV_ABI KernelClearVirtualRangeName(const void* addr, uint64_t len);
int KYTY_SYSV_ABI KernelMunmap(uint64_t vaddr, size_t len);
size_t KYTY_SYSV_ABI KernelGetDirectMemorySize();
int KYTY_SYSV_ABI KernelAvailableDirectMemorySize(int64_t search_start, int64_t search_end,
src/libs/libKernel.cpp
+1
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@@ -3074,6 +3074,7 @@ LIB_DEFINE(InitLibKernel_1_Mem) {
LIB_FUNC("mL8NDH86iQI", Memory::KernelMapNamedFlexibleMemory);
LIB_FUNC("IWIBBdTHit4", Memory::KernelMapFlexibleMemory);
LIB_FUNC("DGMG3JshrZU", Memory::KernelSetVirtualRangeName);
LIB_FUNC("mkgXxsoxWHg", Memory::KernelClearVirtualRangeName);
// 6xx
LIB_FUNC("4h6F1LLbTiw", Memory::KernelMapFlexibleMemory);
LIB_FUNC("cQke9UuBQOk", Memory::KernelMunmap);