ARM VERSION 1.2 Fiche technique télécharger pdf (Page 71)

ARMulator Reference

4.2.13 ARMulif_CPWrite

This function calls the

write

method for a coprocessor. It also intercepts calls to write

the FPE emulated registers.

Syntax

int ARMulif_CPWrite(RDI_ModuleDesc *mdesc, unsigned cpnum,

unsigned reg, ARMword *data)

where:

mdesc

is the handle for the core.

cpnum

is the number of the coprocessor.

reg

is the number of the coprocessor register to read from, as indexed by

CRn

in an

LDC

STC

instruction.

data

is a pointer for the data read from the coprocessor register. The number

of words transferred, and the order of the words, is coprocessor

dependent.

Return

The function must return:

•

ARMul_DONE

, if the register can be written

•

ARMul_CANT

, if the register cannot be written.

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ARM VERSION 1.2 Fiche technique Page 71