simbench/source/io_reg.txt

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Register map of IO_REG (base: 0x1000000)
========================================
| Offset | Name | Description |
|------------+-----------+-------------------------|
| 0x00000000 | CTRL | Control register |
| 0x00000004 | DATA_ADDR | Data block address |
| 0x00000008 | DATA_LEN | Data block length |
| 0x0000000c | MD5_OUT0 | Bytes 0..3 of MD5 sum |
| 0x00000010 | MD5_OUT1 | Bytes 4..7 of MD5 sum |
| 0x00000014 | MD5_OUT2 | Bytes 8..11 of MD5 sum |
| 0x00000018 | MD5_OUT3 | Bytes 12..15 of MD5 sum |
| 0x0000001c | CONSOLE | Virtual console port |
CTRL Register (0x00000000)
--------------------------
Control register
| Bits | Name | Mode | Reset | Description |
|------+------+------+-------+-------------|
| 0 | STOP | WO | 0 | |
DATA_ADDR Register (0x00000004)
-------------------------------
Data block address
| Bits | Name | Mode | Reset | Description |
|------+------+------+-------+-------------|
| 31:0 | ADDR | RO | 0 | |
DATA_LEN Register (0x00000008)
------------------------------
Data block length
| Bits | Name | Mode | Reset | Description |
|------+------+------+-------+-------------|
| 31:0 | LEN | RO | 0 | |
MD5_OUT0 Register (0x0000000c)
------------------------------
Bytes 0..3 of MD5 sum
| Bits | Name | Mode | Reset | Description |
|------+------+------+-------+-------------|
| 31:0 | DATA | WO | 0 | |
MD5_OUT1 Register (0x00000010)
------------------------------
Bytes 4..7 of MD5 sum
| Bits | Name | Mode | Reset | Description |
|------+------+------+-------+-------------|
| 31:0 | DATA | WO | 0 | |
MD5_OUT2 Register (0x00000014)
------------------------------
Bytes 8..11 of MD5 sum
| Bits | Name | Mode | Reset | Description |
|------+------+------+-------+-------------|
| 31:0 | DATA | WO | 0 | |
MD5_OUT3 Register (0x00000018)
------------------------------
Bytes 12..15 of MD5 sum
| Bits | Name | Mode | Reset | Description |
|------+------+------+-------+-------------|
| 31:0 | DATA | WO | 0 | |
CONSOLE Register (0x0000001c)
-----------------------------
Virtual console port
| Bits | Name | Mode | Reset | Description |
|------+-------+------+-------+---------------------------------|
| 9 | VALID | RO | 0 | Symbol in DATA is valid |
| 8 | SEND | HS | 0 | Write 1 to send symbol |
| 7:0 | DATA | RW | 0 | Read/write char from/to console |