mirror of
https://github.com/wiiu-env/libfat.git
synced 2024-11-27 04:04:19 +01:00
74 lines
2.4 KiB
ArmAsm
74 lines
2.4 KiB
ArmAsm
@---------------------------------------------------------------------------------
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.align 4
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.arm
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.global _io_dldi
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@---------------------------------------------------------------------------------
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.equ FEATURE_MEDIUM_CANREAD, 0x00000001
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.equ FEATURE_MEDIUM_CANWRITE, 0x00000002
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.equ FEATURE_SLOT_GBA, 0x00000010
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.equ FEATURE_SLOT_NDS, 0x00000020
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_dldi_start:
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@---------------------------------------------------------------------------------
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@ Driver patch file standard header -- 16 bytes
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.word 0xBF8DA5ED @ Magic number to identify this region
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.asciz " Chishm" @ Identifying Magic string (8 bytes with null terminator)
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.byte 0x01 @ Version number
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.byte 0x0F @32KiB @ Log [base-2] of the size of this driver in bytes.
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.byte 0x00 @ Sections to fix
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.byte 0x0F @32KiB @ Log [base-2] of the allocated space in bytes.
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@---------------------------------------------------------------------------------
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@ Text identifier - can be anything up to 47 chars + terminating null -- 16 bytes
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.align 4
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.asciz "Default (No interface)"
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@---------------------------------------------------------------------------------
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@ Offsets to important sections within the data -- 32 bytes
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.align 6
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.word _dldi_start @ data start
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.word _dldi_end @ data end
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.word 0x00000000 @ Interworking glue start -- Needs address fixing
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.word 0x00000000 @ Interworking glue end
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.word 0x00000000 @ GOT start -- Needs address fixing
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.word 0x00000000 @ GOT end
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.word 0x00000000 @ bss start -- Needs setting to zero
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.word 0x00000000 @ bss end
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@---------------------------------------------------------------------------------
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@ IO_INTERFACE data -- 32 bytes
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_io_dldi:
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.ascii "DLDI" @ ioType
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.word 0x00000000 @ Features
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.word _DLDI_startup @
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.word _DLDI_isInserted @
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.word _DLDI_readSectors @ Function pointers to standard device driver functions
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.word _DLDI_writeSectors @
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.word _DLDI_clearStatus @
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.word _DLDI_shutdown @
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@---------------------------------------------------------------------------------
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_DLDI_startup:
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_DLDI_isInserted:
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_DLDI_readSectors:
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_DLDI_writeSectors:
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_DLDI_clearStatus:
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_DLDI_shutdown:
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mov r0, #0x00 @ Return false for every function
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bx lr
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@---------------------------------------------------------------------------------
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.align
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.pool
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.space (_dldi_start + 32768) - . @ Fill to 32KiB
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_dldi_end:
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.end
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@---------------------------------------------------------------------------------
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