HIPC: Difference between revisions
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{| class="wikitable" border="1" | {| class="wikitable" border="1" | ||
! Word || Description | ! Word || Bits || Description | ||
|- | |||
| 0 || 19-16 || Number of marshalls type X (each: 2 words). | |||
|- | |||
| 0 || 23-20 || Number of marshalls type Y (each: 3 words). | |||
|- | |||
| 0 || 27-24 || Number of marshalls type Z (each: 3 words). | |||
|- | |||
| 0 || 31-28 || Number of marshalls type W (each: 3 words) | |||
|- | |||
| 1 || 9-0 || Size of data portion in u32's. | |||
|- | |||
| 1 || 13-10 || Marshalls type T something. | |||
|- | |||
| 1 || 17-14 || Marshalls type T something. | |||
|- | |||
| 1 || 31 || Enable special descriptor. | |||
|- | |||
| ... || || Special descriptor, if enabled. | |||
|- | |||
| ... || || Type X descriptors, each one 2 words. | |||
|- | |||
| ... || || Type Y descriptors, each one 3 words. | |||
|- | |||
| ... || || Type Z descriptors, each one 3 words. | |||
|- | |||
| ... || || Type W descriptors, each one 3 words. | |||
|} | |||
=== Special descriptor === | |||
There can only be one of this descriptor type. It is enabled by bit31 of the second word. | |||
{| class="wikitable" border="1" | |||
! Word || Bits || Description | |||
|- | |||
| 0 || 0 || ? | |||
|- | |||
| 0 || 4-1 || Number of A-words for this special descriptor (=x). | |||
|- | |- | ||
| 0 || | | 0 || 8-5 || Number of B-words for this special descriptor (=y). | ||
|- | |- | ||
| 1 || | | 1 || || A-words, purpose unknown. | ||
|- | |- | ||
| | | x || || B-words, purpose unknown. | ||
|} | |} | ||
=== | === Descriptor type A === | ||
{| class="wikitable" border="1" | {| class="wikitable" border="1" | ||
! Word || Description | ! Word || Description | ||
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|} | |} | ||
=== | === Descriptor type B === | ||
{| class="wikitable" border="1" | {| class="wikitable" border="1" | ||
! Word || Description | ! Word || Description | ||
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|} | |} | ||
=== | === Descriptor type C === | ||
{| class="wikitable" border="1" | {| class="wikitable" border="1" | ||
! Word || Description | ! Word || Description |