21.17.6 read_sdc
(Ask a Question)Description
Read a SDC file into the component database.
read_sdc -component <filename>Arguments
| Parameter | Type | Description |
|---|---|---|
| -component | — | This is a mandatory flag for read_sdc command when we derive constraints. |
| filename | String | Path to the SDC file. |
| Return Type | Description |
|---|---|
| 0 | Command succeeded. |
| 1 | Command failed. There is an error. You can observe the error message in the console. |
List of Errors
| Error Code | Error Message | Description |
|---|---|---|
ERR0023 | Required parameter file name is missing. | The mandatory option file name is not specified. |
ERR0000 | SDC file <file_path> is not readable. | The specified SDC file does not have read permissions. |
ERR0001 | Unable to open <file_path> file. | The SDC file does not exist. The path must be corrected. |
ERR0008 | Missing set_component command in <file_path> file | The specified component of SDC file does not specify the component. |
ERR0009 | <List of errors from sdc file> | The SDC file contains incorrect sdc commands. Example when there is an error in set_multicycle_path constraint: Error while executing command read_sdc: in <sdc_file_path> file: Error in command set_multicycle_path: Unknown parameter [get_cells {reg_a}]. |
Supported Families
| PolarFire® |
| PolarFire SoC |
| RTG4™ |
| SmartFusion® 2 |
| IGLOO® 2 |
Example
read_sdc -component {./component/work/ccc0/ccc0_0/ccc0_ccc0_0_PF_CCC.sdc}