Difference between revisions of "SHA Registers"
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m (moved SHA to SHA Registers) |
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| Line 37: | Line 37: | ||
| ? Input related. Changes the hash completely | | ? Input related. Changes the hash completely | ||
|- | |- | ||
| − | |5 | + | | 5 |
| Mode (0=SHA256, 1=SHA1) | | Mode (0=SHA256, 1=SHA1) | ||
| + | |- | ||
| + | | 8 | ||
| + | | Unknown. When set, the *entire* ARM9 hangs/crashes when attempting to read REG_SHA_IN. | ||
|- | |- | ||
| 16 | | 16 | ||
Revision as of 05:29, 9 March 2015
Registers
| NAME | PHYSICAL ADDRESS | WIDTH |
|---|---|---|
| REG_SHA_CNT | 0x1000A000 | 4 |
| REG_SHA_DATASIZE | 0x1000A004 | 4 |
| REG_SHA_OUT | 0x1000A040 | 0x20 |
| REG_SHA_IN | 0x1000A080 | 0x40 |
REG_SHA_CNT
| Bits | Description |
|---|---|
| 0-1 | 0=Hash ready, 1=Normal, 2=Final Round |
| 3 | Endianess (0=Little endian, 1=Big endian) |
| 4 | ? Input related. Changes the hash completely |
| 5 | Mode (0=SHA256, 1=SHA1) |
| 8 | Unknown. When set, the *entire* ARM9 hangs/crashes when attempting to read REG_SHA_IN. |
| 16 | Enable |
| 17 | 1 when FIFO expects read/write |
REG_SHA_DATASIZE
This reg contains the total size of the data written to REG_SHA_IN.
REG_SHA_OUT
This reg contains the SHA* hash after the final round.
REG_SHA_IN
The data to be hashed must be written here. The data must be padded with 0x00s to align with the register size (if needed).