Download EPPCBug Firmware Package User's Manual - ps
Transcript
System Call Routines .BRDINFO Code: 0F02 Description .BRDINFO returns a pointer to the board information packet. The packet is built at initialization time and contains information about the PowerPC board and peripherals it supports. Entry Conditions R3 points to the input parameter block: Offset 0x0 7 Description Pointer to board info buffer R4 points to the output parameter block: Offset 0x0 Description System call return status Exit Conditions System call return status has been updated with either zero (no error) or a nonzero error code listing. The user input argument packet has been Þlled with a pointer to the board information structure. The board information structure format is shown below: Offset 7-48 Description 0x0 Word containing ASCII string ÒBDIDÓ 0x4 Size of this structure 0x8 Revision of this structure 0xC EPPCBug Rev. Month Day Year 0x10 Start address of local DRAM 0x14 Ending address of local DRAM 0x18 Processor internal frequency (in Hz) PowerPC EPPCBug Firmware Package UserÕs Manual