projects / OpenSPARC-T2-SAM / blame
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1 | <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> |
| 2 | <html> | |
| 3 | <head> | |
| 4 | <title>SPARC Architectural Model: User Commands</title> | |
| 5 | </head> | |
| 6 | <body bgcolor="#FFFFFF" LANG="en-US"> | |
| 7 | <div STYLE="margin-bottom: 0cm"></div> | |
| 8 | ||
| 9 | <h2> | |
| 10 | read-reg | |
| 11 | </h2> | |
| 12 | ||
| 13 | <h4> | |
| 14 | NAME | |
| 15 | </h4> | |
| 16 | <ul> | |
| 17 | read-reg - read a register | |
| 18 | </ul> | |
| 19 | ||
| 20 | <h4>SYNOPSIS</h4> | |
| 21 | <tt> | |
| 22 | <ul> | |
| 23 | read-reg [-cpu <i>cpu_set</i>] | |
| 24 | [-cwp <i>window-pointer</i>] [-gl <i>global-level</i>] [-tl <i>trap-level</i>] | |
| 25 | <i>reg-name</i> | |
| 26 | </ul> | |
| 27 | </tt> | |
| 28 | ||
| 29 | <h4>DESCRIPTION</h4> | |
| 30 | <ul> | |
| 31 | Fetches a cpu register. If <a href="flag_cpu.html">-cpu</a> is | |
| 32 | omitted, the current frontend strand is used. | |
| 33 | Use <a href="cmd_cpuregs.html">cpuregs</a> command to show | |
| 34 | the supported register names. | |
| 35 | <p> | |
| 36 | By default, the current cwp register, global level, and trap level are | |
| 37 | used to access windowed registers, global registers, and trap | |
| 38 | registers, respectively. | |
| 39 | The -cwp, -gl, and -tl flags may be used to override these defaults. | |
| 40 | <table cellpadding=5%> | |
| 41 | <tr> | |
| 42 | <th>Flag</th><th>Behavior</i></th> | |
| 43 | </tr> | |
| 44 | <tr> | |
| 45 | <td valign="top">-cwp <i>window-pointer</i></td><td>Sets the register window used to access | |
| 46 | windowed registers</td> | |
| 47 | </tr> | |
| 48 | <tr> | |
| 49 | <td valign="top">-gl <i>global-level</i></td><td>Sets the global level used to access global | |
| 50 | registers</td> | |
| 51 | </tr> | |
| 52 | <tr> | |
| 53 | <td valign="top">-tl <i>trap-level</i></td><td>Sets the trap level used to access trap | |
| 54 | registers</td> | |
| 55 | </tr> | |
| 56 | </table> | |
| 57 | </ul> | |
| 58 | ||
| 59 | <h4>RETURN VALUES</h4> | |
| 60 | <ul> | |
| 61 | Returns the value of a specific register. | |
| 62 | </ul> | |
| 63 | ||
| 64 | <h4>SEE ALSO</h4> | |
| 65 | <ul><a href="cmd_reg.html">%reg</a></ul> | |
| 66 | <ul><a href="cmd_write-reg.html">write-reg</a></ul> | |
| 67 | <ul><a href="cmd_pregs.html">pregs</a></ul> | |
| 68 | <ul><a href="cmd_cpuregs.html">cpuregs</a></ul> | |
| 69 | ||
| 70 | <hr> | |
| 71 | </body> | |
| 72 | </html> |