ARM9 SWI Functions

ARM9 BIOS SWI Function

These are the functions provided by the ARM9 BIOS. IDs not mentioned here, calls swiSoftReset. I haven't checked any old ones if they've been modified/replaced.

ID	Name	Args	New?
0x00	swiSoftReset	none	old
0x01	swiUnknown	??	new ??
0x02	swiDecompressLZSSVram	??	old
0x03	swiDelay	??	old
0x04	swiIntrWait	??	old
0x05	swiWaitForVBlank	??	old
0x06	swiWaitForIRQ	??	old
0x09	swiDivide	??	old
0x0B	swiCopy	??	old
0x0C	swiFastCopy	??	old
0x0D	swiSqrt	??	old
0x0E	swiCRC16	??	old
0x10	swiUnpackBits	??	old
0x11	swiDecompressLZSSWram	??	old
0x12	swiDecompressLZSSVram	??	old
0x13	swiDecompressHuffman	??	old
0x14	swiDecompressRLEWram	??	old
0x15	swiDecompressRLEVram	??	old
0x16	swiDecodeDelta8	??	old
0x18	swiDecodeDelta16	??	old
0x1F	swiSetHaltCR	??	old
0x20	init_crypto_heap	??	new
0x21	rsa_decrypt	??	new
0x22	rsa_decrypt_signature	??	new
0x23	rsa_decrypt_der	??	new
0x24	swiSHA1_Init	??	new
0x25	swiSHA1_Update	??	new
0x26	swiSHA1_Final	??	new
0x27	swiSHA1	??	new
0x28	swiSHA1_Compare	??	new
0x29	SHA1_Random	looks like it's trying to generate a random number using SHA1	new

See Also

• ARM7 BIOS