Martin Michelsen
102 lines
2.4 KiB
ArmAsm
102 lines
2.4 KiB
ArmAsm
# Implements the function:
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# const PSOXBVersionInfo* @ eax [/none] get_version();
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# The return opcode is not included in this fragment.
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#
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# The returned structure is:
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# struct PSOXBVersionInfo {
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# /* 00 */ uint32_t specific_version;
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# /* 04 */ void* check_addr;
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# /* 08 */ void (**MmSetAddressProtect)(void* addr @ [esp+4], uint32_t size @ [esp + 8], uint32_t flags @ [esp+0xC]);
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# /* 0C */ uint32_t @ eax (**MmQueryAddressProtect)(void* addr @ [esp+4]);
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# /* 10 */ void* @ eax (*malloc7)(uint32_t size @ ecx, AllocatorInstance* instance @ edx);
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# /* 14 */ AllocatorInstance** malloc7_instance; // For use with malloc7
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# };
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#
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# NOTE: Cxbx-Reloaded defines the protection flags as:
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# XBOX_PAGE_NOACCESS = 0x00000001
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# XBOX_PAGE_READONLY = 0x00000002
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# XBOX_PAGE_READWRITE = 0x00000004
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# XBOX_PAGE_WRITECOPY = 0x00000008
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# XBOX_PAGE_EXECUTE = 0x00000010
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# XBOX_PAGE_EXECUTE_READ = 0x00000020
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# XBOX_PAGE_EXECUTE_READWRITE = 0x00000040
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# XBOX_PAGE_EXECUTE_WRITECOPY = 0x00000080
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# XBOX_PAGE_GUARD = 0x00000100
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# XBOX_PAGE_NOCACHE = 0x00000200
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# XBOX_PAGE_WRITECOMBINE = 0x00000400
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start:
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push ecx
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push edx
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call get_data
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.data 0x344F4A42 # 4OJB
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.data 0x0043D460
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.data 0x00400578
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.data 0x0040057C
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.data 0x002C63F0
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.data 0x006305E0
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.data 0x344F4A44 # 4OJD
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.data 0x0043D7D0
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.data 0x00400918
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.data 0x0040091C
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.data 0x002C6F40
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.data 0x00630C40
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.data 0x344F4A55 # 4OJU
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.data 0x00440FE0
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.data 0x00403E3C
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.data 0x00403E40
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.data 0x002C84E0
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.data 0x0063878C
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.data 0x344F4544 # 4OED
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.data 0x0044174C
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.data 0x00404518
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.data 0x0040451C
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.data 0x002C8030
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.data 0x00635C74
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.data 0x344F4555 # 4OEU
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.data 0x00440FEC
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.data 0x00403E3C
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.data 0x00403E40
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.data 0x002C8210
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.data 0x0063550C
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.data 0x344F5044 # 4OPD
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.data 0x00441768
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.data 0x00404538
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.data 0x0040453C
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.data 0x002C8060
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.data 0x00635C74
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.data 0x344F5055 # 4OPU
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.data 0x00441AF8
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.data 0x0040491C
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.data 0x00404920
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.data 0x002C8330
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.data 0x0063600C
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.data 0x00000000
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.data 0x00000000
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get_data:
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pop edx
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xor eax, eax
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sub edx, 0x18
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check_next_version:
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add edx, 0x18
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mov ecx, [edx + 0x04]
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test ecx, ecx
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jz done
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cmp dword [ecx], 0x61657244
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jne check_next_version
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mov eax, edx
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done:
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pop edx
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pop ecx
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