53 lines
2.1 KiB
C++
53 lines
2.1 KiB
C++
/**
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******************************************************************************
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* Xenia : Xbox 360 Emulator Research Project *
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******************************************************************************
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* Copyright 2023 Xenia Canary. All rights reserved. * Released under the BSD
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*license - see LICENSE in the root for more details. *
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******************************************************************************
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*/
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#ifndef XENIA_KERNEL_UTIL_GUEST_OBJECT_TABLE_H_
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#define XENIA_KERNEL_UTIL_GUEST_OBJECT_TABLE_H_
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#include "xenia/kernel/kernel_state.h"
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#include "xenia/xbox.h"
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namespace xe {
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namespace kernel {
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namespace util {
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// use this to make it clearer in the code whether a uint32_t is a handle or not
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using guest_handle_t = uint32_t;
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// not normally api visible, but used so we can accurately recreate how the 360
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// os allocated handles
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struct X_HANDLE_TABLE {
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xe::be<uint32_t> num_handles;
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xe::be<guest_handle_t> free_offset;
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xe::be<uint32_t> highest_allocated_offset;
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xe::be<uint32_t> table_dynamic_buckets;
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xe::be<uint32_t> table_static_buckets[8];
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X_KSPINLOCK table_lock;
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// used as unknown arg 3 to pool allocations
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uint8_t unk_pool_arg_34;
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uint8_t handle_high_byte;
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uint8_t unk_36;
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uint8_t unk_38;
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};
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static_assert_size(X_HANDLE_TABLE, 0x38);
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bool GrowHandleTable(uint32_t table_ptr, cpu::ppc::PPCContext* context);
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uint32_t NewObjectHandle(uint32_t table_guest, uint32_t object_guest,
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cpu::ppc::PPCContext* context);
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uint32_t DestroyObjectHandle(uint32_t table_guest, guest_handle_t handle,
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cpu::ppc::PPCContext* context);
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uint32_t LookupHandleUnlocked(X_HANDLE_TABLE* table, guest_handle_t handle,
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bool reference_object,
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cpu::ppc::PPCContext* context);
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uint32_t LookupHandle(uint32_t table, guest_handle_t handle,
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uint32_t reference_object, cpu::ppc::PPCContext* context);
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} // namespace util
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} // namespace kernel
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} // namespace xe
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#endif // XENIA_KERNEL_UTIL_GUEST_OBJECT_TABLE_H_
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