Description

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Operations

The Fresh Address Space implements all of the operations supported by the virtual copy space.

Note that the indicated results are returned by the keeper if the address space is callable.

Check Alleged Key Type (OC = KT)

Make Read Only Key (OC = 1)

Make Don't-Call Key (OC = 2)

Make Read Only, Don't-Call Key (OC = 3)

Implemented as per the description given in the Address Space Key page.

Return Unused Pages (OC = 16)

This operation returns to the space bank any pages that follow the last nonzero byte, and returns to the caller the address space offset of the the last nonzero byte plus one (i.e. the length of the content including the last nonzero byte).

Reply	N	The offset of the last nonzero byte plus one.
Result	RC_OK	Operation completed successfully.

Truncate (OC = 17)

Set all bytes in the address space beginning at the passed offset to zero.

Request	W|L|N	The address from which bytes should be zeroed. The address may be a word or longword quantity, in which case the offset is zero-extended.
Result	RC_OK	Operation completed successfully.

Create Sibling Address Space (OC = 32)

blah blah blah description

Request	SK0	A start key to a space bank from which the new address space's pages should be allocated.
Reply	RK0	A fresh address space key sharing the same address space keeper as the original.
Result	RC_OK	Operation completed successfully.

Destroy (OC = KT+4)

Destroy the address space and it's associated address space keeper.