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[Kernel] Implemented: NtAllocateEncryptedMemory

This commit is contained in:
Gliniak 2023-04-26 08:37:27 +02:00
parent 9992d20079
commit 94759861c5
1 changed files with 33 additions and 2 deletions
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35
src/xenia/kernel/xboxkrnl/xboxkrnl_memory.cc
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@ -347,6 +347,38 @@ dword_result_t NtQueryVirtualMemory_entry(
}
DECLARE_XBOXKRNL_EXPORT1(NtQueryVirtualMemory, kMemory, kImplemented);
dword_result_t NtAllocateEncryptedMemory_entry(dword_t unk, dword_t region_size,
lpdword_t base_addr_ptr) {
if (!region_size) {
return X_STATUS_INVALID_PARAMETER;
}
const uint32_t region_size_adjusted =
xe::round_up(region_size, 64 * 1024, true);
if (region_size_adjusted > 16 * 1024 * 1024) {
return X_STATUS_INVALID_PARAMETER;
}
uint32_t out_address = 0;
auto heap = kernel_memory()->LookupHeap(0x8C000000);
const bool result =
heap->AllocRange(0x8C000000, 0x8FFFFFFF, region_size_adjusted, 64 * 1024,
MemoryAllocationFlag::kMemoryAllocationCommit,
MemoryProtectFlag::kMemoryProtectRead |
MemoryProtectFlag::kMemoryProtectWrite,
false, &out_address);
if (!result) {
return X_STATUS_UNSUCCESSFUL;
}
XELOGD("NtAllocateEncryptedMemory = {:08X}", out_address);
*base_addr_ptr = out_address;
return X_STATUS_SUCCESS;
}
DECLARE_XBOXKRNL_EXPORT1(NtAllocateEncryptedMemory, kMemory, kImplemented);
dword_result_t MmAllocatePhysicalMemoryEx_entry(
dword_t flags, dword_t region_size, dword_t protect_bits,
dword_t min_addr_range, dword_t max_addr_range, dword_t alignment) {
@ -525,7 +557,7 @@ dword_result_t MmQueryStatistics_entry(
stats_ptr->size = size;
stats_ptr->total_physical_pages = 0x00020000; // 512mb / 4kb pages
stats_ptr->kernel_pages = 0x00000100; // Previous value 0x300
stats_ptr->kernel_pages = 0x00000100; // Previous value 0x300
uint32_t reserved_pages = 0;
uint32_t unreserved_pages = 0;
@ -711,7 +743,6 @@ dword_result_t MmIsAddressValid_entry(dword_t address,
DECLARE_XBOXKRNL_EXPORT1(MmIsAddressValid, kMemory, kImplemented);
} // namespace xboxkrnl
} // namespace kernel
} // namespace xe