Marshall Portion
This is an array of u32's.
| 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.
| Word |
Bits |
Description
|
| 0 |
0 |
?
|
| 0 |
4-1 |
Number of A-words for this special descriptor (=x).
|
| 0 |
8-5 |
Number of B-words for this special descriptor (=y).
|
| 1 |
|
A-words, purpose unknown.
|
| x |
|
B-words, purpose unknown.
|
Descriptor type A
| Word |
Description
|
| 0 |
Word1 is written here.
|
| 1 |
Word0 is written here.
|
| 2 |
Weird mix.
|
Descriptor type B
| Word |
Description
|
| 0 |
Lower 32-bits of addr?
|
| 1 |
Upper 16bits: Size, Lower 16bits: Rest of addr?
|
Descriptor type C
| Word |
Description
|
| 0 |
Upper 16bits: Size, Lower 16: ?
|
| 1 |
?
|
Data Portion
This is an array of u64's placed after the marshall header. But it's always aligned to 16 so sometimes there is padding words inserted inbetween.
| Word |
Description
|
| 0 |
Magic ("SFCI")
|
| 1 |
Cmd id
|
| ... |
Non-marshalled data is placed here
|
| Cmd header 1 |
Cmd header 2 |
Description
|
| 4 |
9 |
Data portion size 20.
|
| 4 |
10 |
Data portion size 24.
|
| 4 |
12 |
Data portion size 32.
|
| 4 |
14 |
Data portion size 40.
|
| 4 |
0x8000000C |
Marshall words: (u32) 1. Data portion size 32.
|