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62 lines
2.1 KiB
ArmAsm
62 lines
2.1 KiB
ArmAsm
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// SPDX-License-Identifier: Zlib
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//
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// Copyright (C) 2006-2016 Michael Chisholm (Chishm)
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// Copyright (C) 2006-2016 Dave Murphy (WinterMute)
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#include <nds/arm9/dldi_asm.h>
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.syntax unified
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.section ".crt0","ax"
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.global _start
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.align 4
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.arm
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@ Driver patch file standard header -- 16 bytes
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.word 0xBF8DA5ED @ DLDI identifier - magic number
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.asciz " Chishm" @ DLDI identifier - magic string (8 bytes with null terminator)
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.byte 0x01 @ DLDI identifier - DLDI version number
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.byte __dldi_header_driver_size @ Log [base-2] of the size of this driver in bytes.
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@ Calculated automatically in the link script.
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.byte __dldi_header_fix_flags @ Sections to fix.
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@ Calculated automatically in the link script.
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.byte 0x00 @ Space allocated in the .nds file; leave empty.
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@ Text identifier - can be anything up to 47 chars + terminating null -- 48 bytes
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.align 4
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.asciz "DSpico DLDI"
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@ Offsets to important sections within the data -- 32 bytes
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.align 6
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.word __text_start @ data start
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.word __data_end @ data end
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.word __glue_start @ Interworking glue start -- Needs address fixing
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.word __glue_end @ Interworking glue end
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.word __got_start @ GOT start -- Needs address fixing
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.word __got_end @ GOT end
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.word __bss_start @ bss start -- Needs setting to zero
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.word __bss_end @ bss end
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@ IO_INTERFACE data -- 32 bytes
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.ascii "PICO" @ ioType (Normally "DLDI")
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#ifdef ARM9
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.word FEATURE_MEDIUM_CANREAD | FEATURE_MEDIUM_CANWRITE | FEATURE_SLOT_NDS
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#else
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.word FEATURE_MEDIUM_CANREAD | FEATURE_MEDIUM_CANWRITE | FEATURE_SLOT_NDS | FEATURE_ARM7_CAPABLE
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#endif
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.word dldi_startup @ Function pointers to standard device driver functions
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.word dldi_isInserted
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.word dldi_readSectors
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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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_start:
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.align
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.pool
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.end
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