Emerson PMT1 Monitor MPC860P-Specific Functions, SetUnExpIntFunct, MPC860P-SPECIFIC Functions

Monitor: MPC860P-Specific Functions

The Cnt indicates the byte location to be modified and assumes the nonvolatile memory is a linear array of memory locations. If there are gaps between bytes on the physical device, they are dealt with here. The last parameter Val is a pointer to the character location to be written.

This function returns the number of bytes written to the device or the value read from the device, depending on Mode. Only bytes that differ are written.

SetUnExpIntFunct

SetUnExpIntFunct(Funct) unsigned long Funct;

Description: If desired, a program can call the SetUnExpIntFunct function to attach its own interrupt handler to all unexpected interrupts. This function attaches the handler specified by Funct. The new interrupt handler must determine the source of the unexpected interrupt and remove it.

MPC860P-SPECIFIC FUNCTIONS

Cache

disable_dcache disable_icache enable_dcache enable_icache invalidate_dcache invalidate_icache

Description: As the names indicate, these functions enable, disable, and flush the data and instruction caches. The enable_dcache function enables the data cache in either copyback or write- through mode. If mode is zero, copyback mode is selected. If mode is one, write-through mode is selected. The invalidate_dcache function flushes all data cache lines and the invalidate_icache function flushes all instruction cache lines.

Exceptions

VecInit(void)

typedef unsigned long VECTORNUM;

typedef void *HANDLERPARM;

typedef void (*HANDLER)(VECTORNUM, ...); /* up to one (1)

optional parameter */

10002367-02 PmT1 and PmE1 User’s Manual

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