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OA

Klarke — Wed, 07 May 2014 02:50:00 GMT

[DEV]encounter 1> set cell_ptr [dbGet -p head.libCells.name pll_fbdiv]
0x2aaac108f3a8
[DEV]encounter 2> Puts "Abstract binding (lib/cell/view): [dbGet $cell_ptr.abstractLib]/[dbGet $cell_ptr.name]/[dbGet $cell_ptr.abstractView]"
Abstract binding (lib/cell/view): zambezi45/pll_fbdiv/abstract

Klarke 2014-05-07 10:50 发表评论

Link C and Tcl

Klarke — Thu, 12 Dec 2013 06:28:00 GMT

C function and Tcl function are linked.
Then if want to return 1 in C function and get it in Tcl function, we should add following code in C function:

Tcl_AppendElement(itp, "1");

Klarke 2013-12-12 14:28 发表评论

timing debug

Klarke — Thu, 25 Jul 2013 09:55:00 GMT

report_cell_instance_timing

_report_pin_timing ff3/Q

get_lib_pins */DFFQN_X1M_A9TL_C20/*

report_analysis_coverage ff4/D -verbose untested

report_inactive_arcs

getAnalysisMode -checkType

setAnalysisMode -checkType setupo/hold

setMultiCpuUsage -localCpu 4

report_clock_timing -clock tci -type latency -view TRADITIONAL_SCAN_CAPTURE_pvt4_hrlcn40 -verbose

report_timing -clock_from tck

report_timing -clock_from tck -path_type full_clock
report_timing -clock_from tck -path_type full_clock -from [all_registers] -max_paths 1
_report_pin_timing u_usb30gctl_aon/u_usb30gctl_aon_wdog_0/wdog_cnt_reg_23_/CK
_report_pin_timing u_usb30gctl_aon/u_usb30gctl_aon_wdog_0/wdog_cnt_reg_23_/CK -view TRADITIONAL_SCAN_CAPTURE_pvt4_hrlcn40
_report_pin_timing u_usb30gctl_aon/u_usb30gctl_aon_wdog_0/wdog_cnt_reg_23_/CK -view TRADITIONAL_SCAN_CAPTURE_pvt4_hrlcn40 -early
_report_pin_timing u_usb30gctl_aon/u_usb30gctl_aon_wdog_0/wdog_cnt_reg_23_/CK -view TRADITIONAL_SCAN_CAPTURE_pvt4_hrlcn40 -late
report_clock_timing -clock tck -type latency -view TRADITIONAL_SCAN_CAPTURE_pvt4_hrlcn40 -verbose
_report_pin_timing u_usb30gctl_aon/u_usb30gctl_aon_usbreg/gctl_usb_power_synchronizer/u_dff2/q_reg_0_/CK
report_timing -from u_usb30gctl_aon/u_usb30gctl_aon_usbreg/gctl_usb_power_synchronizer/u_dff2/q_reg_0_/CK
report_timing -from u_usb30gctl_aon/u_usb30gctl_aon_usbreg/gctl_usb_power_synchronizer/u_dff2/q_reg_0_/CK -path_type full_clock
get_nets -of tck_i
all_connected tck_i -leaf
all_connected tck_i
_report_pin_timing gctl_test_refclk_i
save_view_definition -outfile view.tcl

Klarke 2013-07-25 17:55 发表评论

view->mode view->corner

Klarke — Thu, 09 May 2013 07:22:00 GMT

proc getSetupHoldCstrMode {args} {

     set setupViews [all_setup_analysis_views]
     set arg [lindex $args 1]
     if { $arg == 0 } {
         set allViews $setupViews
     } else {
         set holdViews [all_hold_analysis_views]
         set allViews [concat $setupViews $holdViews ]
     }
#     Puts $allViews
     set mode ""
     foreach view $allViews {
        lappend mode [get_analysis_view $view -constraint_mode]
        set dc [get_analysis_view $view -delay_corner]
        set rc [get_delay_corner $dc -rc_corner]
     }
     set cstrMode [lsort -ascii -unique $mode]
#     Puts $cstrMode
     return $cstrMode
}

Klarke 2013-05-09 15:22 发表评论

g++ -E

Klarke — Wed, 05 Sep 2012 02:48:00 GMT

touch file.c
make file.o
touch file.c
Add -E

/grid/common/pkgs/gcc/v4.4.5/bin/g++ -I../../../tools.lnx86/fe/src/64bit -g -I../../../include -DUSE_icp -DUSE_cdshelp -DUSE_nano -DUSE_pm -DUSE_tq -DUSE_mesalib -DUSE_crlp -DUSE_prtools -DOAX_DUAL_MODE -DUSE_dupHash -DUSE_feedthrough -DUSE_libesotcl -DUSE_libesotest -DUSE_libesoengine -DUSE_libesoxforms -DUSE_libesoinfra -DUSE_chkd -DUSE_parallel -DUSE_edp -DUSE_cte -DUSE_lic -DUSE_rmap -DUSE_fs -DUSE_sc -DUSE_optinfra -DUSE_op -DUSE_ls -DUSE_dp -DUSE_do -DUSE_tb -DUSE_go -DUSE_cm -DUSE_coe -DUSE_ccopt -DUSE_ck -DUSE_sgn -DUSE_autofpUtil -DUSE_autofp -DUSE_tkhtml -DUSE_hp -DUSE_lp -DUSE_nlp -DUSE_clu -DUSE_mib -DUSE_sp -DUSE_tcd -DUSE_np -DUSE_bb -DUSE_pp -DUSE_pso -DUSE_ppp -DUSE_pa -DUSE_sla -DUSE_la -DUSE_slm -DUSE_eman -DUSE_pdv -DUSE_vc -DUSE_bm -DUSE_splx -DUSE_xn -DUSE_ams -DUSE_msrouting -DUSE_ta -DUSE_tu -DUSE_spx -DUSE_qx -DUSE_pe -DUSE_dc -DUSE_ds -DUSE_sds -DUSE_ln -DUSE_ms -DUSE_spr -DUSE_tr -DUSE_df -DUSE_dfnl -DUSE_sdp -DUSE_fp -DUSE_ri -DUSE_vl -DUSE_lf -DUSE_tl -DUSE_sr -DUSE_fg -DUSE_oax -DUSE_oax22 -DUSE_ogds -DUSE_himgr -DUSE_ncu -DUSE_libscell -DUSE_libmcts -DUSE_uiobj -DUSE_fp -DUSE_newspef -DUSE_esi -DUSE_to -DUSE_ptn -DUSE_libdblogical -DUSE_libdbphysical -DUSE_libdbutil -DUSE_libdbtech -DUSE_libdbfplan -DUSE_libdbtcl -DUSE_libdbmisc -DUSE_libdblogical -DUSE_we -DUSE_dbx -DUSE_cte -DUSE_tc -DUSE_dd -DUSE_editline -DUSE_tdg -DUSE_vlg -DUSE_se -DUSE_qtf -DUSE_gui -DUSE_celtic -DUSE_msv -DUSE_ziplib -DUSE_ui -DUSE_qtf -DUSE_guifw -DUSE_cta -DUSE_win -DUSE_vb -DUSE_verify -DUSE_libverifymsrouting -DUSE_libverifyacdensity -DUSE_libverifyant -DUSE_libverifyconn -DUSE_libverifydensity -DUSE_libverifygeom -DUSE_libverifywelltap -DUSE_libverifyutil -DUSE_verify -DUSE_cce -DUSE_app -DUSE_prt_cmds -DUSE_prt_sr_main -DUSE_msroute -DUSE_prt_sr_proute -DUSE_vmd -DUSE_amf -DUSE_vmd -DUSE_prt_sr_ref -DUSE_prt_sr_dbase -DUSE_prt_sr_ldef -DUSE_prt_sr_basic -DUSE_prt_power -DUSE_p2proute -DUSE_prt_viagen -DUSE_prt_power -DUSE_prt_sr_util -DUSE_xdp -DUSE_ilm -DUSE_imex -DUSE_cpe -DUSE_kl -DUSE_klv -DUSE_pdg -DUSE_sn -DUSE_euler -DUSE_ps -DUSE_sip -DUSE_glm -DUSE_celticmempool -DUSE_syutil -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -DBITS64 -DLINUX -DSOCE_PWR -DNSU_NoVersion -DNSU_NoThread -DNSU_NoSignal -DNSU_NoLicense -DNO_CTE_NEWALLOC -DCTE_NATIVE_READER_HIER_SUPPORT -DCTE_PARTIAL_HIERARCHY -I../../../tools.lnx86/ctengInt/include -DCTE_TIMER_BY_DEFAULT -DMMMC -I../../../tools.lnx86/syntechInt/include -I../../../tools.lnx86/coptInt/include -I../../../tools.lnx86/dfII/pvt/include -I../../../tools.lnx86 -I../../../tools.lnx86/cdsZip/include -DUSE_cdslmd -I../../../include/tcm -I../../../include/TPtools -isystem ../../../include/TPtools -I../../../tools.lnx86/sst2/include -DUSE_sst2 -D_USING_PROTOTYPES_ -I../../../include -I../../../tools.lnx86/include -I../../../include/syutilcommon -I../../../include -I/icd/hierflow2/klarke/12.00rtm/fe//src/ -DCDS_LNX86 -DHAS_PTHREAD -D_REENTRANT -m64 -D_LP64 -DUSE_TCLTK85 -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_LIMITS_H=1 -DUSE_THREAD_ALLOC=1 -D_REENTRANT=1 -D_THREAD_SAFE=1 -DHAVE_PTHREAD_ATTR_SETSTACKSIZE=1 -DHAVE_PTHREAD_GETATTR_NP=1 -DHAVE_SYS_TIME_H=1 -DTIME_WITH_SYS_TIME=1 -DHAVE_INTPTR_T=1 -DHAVE_UINTPTR_T=1 -DHAVE_PW_GECOS=1 -DHAVE_XSS=1 -DHAVE_LIBXFT=1 -DHAVE_XFT=1 -DUSE_NON_CONST -I../../../share/tcltools/icd8.5.9/include -Wno-write-strings -mveclibabi=svml -D_GNU_SOURCE -I. -MMD -MF ../../../tools.lnx86/fe/obj/64bit/ilm/dbIlmPtn.d -E -o aaa -c dbIlmPtn.c

Klarke 2012-09-05 10:48 发表评论

How to change permissions (chmod) of a file

Klarke — Mon, 13 Aug 2012 02:11:00 GMT

How to change permissions (chmod) of a file

Permissions can be very important when it comes to hosting your website. Permissions can allow our server computer to write and edit your files. Along with that, some files need to be protected from writing and editing, as a security measure. You can change your file permissions in many ways.

Using File Manager in cPanel

One of the easy and basic ways to change the permissions is through File manager in cPanel. To change the permissions for a file or folder in cpanel, please do the following:

Login to your cPanel (if not already there)
Click File Manager
Click the name of the file for which you would like to change the permissions.
Select the Change Permissions link at the top right of the page.
Select the permissions you would like to set for the file.
Click Change Permissions

Using FTP

Connect to FTP. Go to the file and right click. Choose Permissions or Attributes or Properties (depends on your program).

Using SSH or a script

This can be done with chmod command.

So, what do these permissions and numbers mean?

File permissions determine what you are allowed to do and who is allowed to do it.

	Owner	Group	World
Read	�?/td>	�?/td>	�?/td>
Write	�?/td>
Execute	�?/td>	�?/td>	�?/td>

The columns are the three types of users. First is the Owner; the owner is you, the person who has access to the cPanel or shell. Second is the Group; the group is other people on your server. Third is the World; the world is any visitor from the public (think world wide web).

Each row represents a permitted action for this file (or folder). Read means the user is allowed to view the file. Write means the user is allowed to edit the file. Execute means the user is allowed to run the file.

It is very important that Group and World be able to view your website files. However, there are some files which you may not want anyone to see. If you remove the check for Read under Group and World, then the file will not show in anyone's browser (instead visitors will see a 403 Forbidden error).

In the File Manager, permissions are expressed as numbers. We are only concerned with 3 digits, so if you see 4 digits, then ignore the first one. Thus 0755 is the same as 755.

The numbers represent a combination of each unique permission. Also, the first of the three digits represents the permissions for the Owner. The second digit represents the Group. The third digit represents the World.

Read is equal to 4.
Write is equal to 2.
Execute is equal to 1.
No permissions for a user is equal to 0.

Thus...

Write and Execute without Read is equal to 3.
Read and Execute without Write is equal to 5.
Read and Write without Execute is equal to 6.
Read and Write and Execute is equal to 7.

At this point, all you need to know is that your files should always have permissions of 644 or 755. (For most files, it doesn't matter if you give the executable permission or not. You won't see any difference.)

However, folders must always be 755.

One more rule. Any files inside the cgi-bin folder must have 755 permissions.

Advanced

A common concern is using file permissions of 777.

HostGator does not allow 777 on files which process server-side (i.e. PHP). However, many scripts require you to change your files to 777.

I can tell you that 755 will work in lieu of 777. You will not need to use 777 on PHP files or folders.

What's the big deal?

The concern is giving writable permissions to Group and World. This allows hackers from the world wide web to edit your files. Thus, the last two digits of file permissions should never be 2, 3, 6, or 7.

The problem is when you install a PHP script, the script needs permission to edit files. Traditionally, PHP is treated as 'nobody' on the server. Therefore, PHP is treated the same an any unknown visitor and must obey the permissions granted to World.

The solution to this conflict is to treat PHP as the Owner. HostGator has done so by implementing a special PHP security environment known as suPHP (or phpSuExec).

With suPHP, all PHP scripts are allowed the same permissions as the Owner, and outside visitors are still restricted by the World permissions. Therefore, 755 is the perfect number; it allows all actions for PHP and only reading/viewing for potential hackers.

Other formats

Permissions can be expressed many ways. You have already seen the two-dimensional matrix and the 3 or 4 digit numbers.

However, if you prefer to use the Linux shell (SSH), then file permissions will look like this:

drwxr-xr-x

You can ignore the very first character; it represents the file type rather than permissions. Next, you see three letters which represent the Owner's permissions.

r = read
w = write
x = execute
- (hyphen) = no permission

The Owner will normally have all three permissions, which is represented by rwx.

The next three characters represent the Group's permissions. Finally, the last three characters represent the World's permissions.

Notice that Group and World do not get the writable permission. In place of the 'w' will be a hyphen, meaning that write is definitely not allowed: r-x.

Here are some conversions to consider.

2D Matrix	Numerical Representation	Linux Representation
	755 or 0755 Recommended!	drwxr-xr-x
	644 or 0644 Recommended!	drw-r--r--
	700 or 0700	drwx------

Klarke 2012-08-13 10:11 发表评论

Gigascale Check

Klarke — Fri, 27 Jul 2012 07:39:00 GMT

if (!rdaIsFeatureAvailable(rdacFeatureFlexModel)) {
return TCL_ERROR;
}

Klarke 2012-07-27 15:39 发表评论

GDB

Klarke — Fri, 08 Jun 2012 02:31:00 GMT

1. attach: 用gdb调试一个正在运行中的进�E?br />gdb PID

2. br: 讄��断点
br filename:line_num

br namespace::classname::func_name

3. n: 单步跌�� s: 单步�q�入

4. finish�Q?/span>执行到函数retun�q�回

5. list: 列出当前位置之后�?0行代码；list line_number: 列出line_number之后的十行代�?/span>

6. bt�Q�backtrace�Q�：(x��)列出调用�?/span>

7. info locals�Q�列出当前函数的局部变�?/span>

8. p var_�Q�打印变量�?/span>

9. info breakpoints�Q�列出所有断�?/span>

10. delete breakpoints�Q�删除所有断点；delete breakpoints id�Q�删除编号�ؓ(f��)id的断点；disable/enable breakpoints id�Q�禁�?启用断点

11. break ... if ... 条�g中断

    33 redraw
    34 dbget 0x2aad1379e170.name
    35 *DBU*Micron*
    36 dbDBUToMicrons 8456600
    37 dbDBUToMicrons 3742650
    38 selectNet mii1mdint_data_in
    39 redraw
    40 dbget 0x2aad1379e790.hInstTerms.pt
    41 dbget 0x2aad1379e790.hInstTerms.term.shape
    42 dbget 0x2aad1379e790.hInstTerms.pt "8456.6*"
    43 dbget 0x2aad1379e790.hInstTerms.pt 8456.6
    44 dbget 0x2aad1379e790.hInstTerms.name
    45 history
    46 dbGetNetByName mii1mdint_data_in
    47 dbget 0x2aab88b49530.hNets.hInstTerms.name
    48 addCustomBox aaa 8438.4 3742.6 8474.6 3763.4
    49 redraw
    50 dbGetHInstByName padring/pl_mii1mdint
    51 dbget 0x2aab88b49530.hNets.hTerms.hInst.name

Klarke 2012-06-08 10:31 发表评论

Klarke — Tue, 15 May 2012 08:55:00 GMT

7�U�方法，用到的工��h��Q�awk,sed,rev,cut,grep,colrm,expr�Q�是学习(f��n)�q�些工具的很好例子�?br />1.echo string|awk '{print substr($0,length($0)-1,length($0))}'
2.echo string|sed 's/(.*)(..$)/2/'
3.echo string|rev|cut -c-2|rev
4.echo ${var:$((${#var}-2)):2}或echo ${var:$((-2))}
5.echo string|grep -o ..$
6.echo string|rev|colrm 3|rev
7.expr string : ".*(..)$"

ps -ef | grep nxagent

Klarke 2012-05-15 16:55 发表评论

Klarke — Fri, 11 May 2012 03:07:00 GMT

1�Q?$ ctags –R * ($ 为Linux�pȝ��Shell提示�W?
2�Q?$ vi –t tag (��h��tag替换为�?zh��n)��Ʋ查扄��变量或函数�?
3�Q?�Q�ts (ts 助记字：(x��)tags list, “:”开头的命��o(h��)为VI中命令行模式命��o(h��))
4�Q?�Q�tp (tp 助记字：(x��)tags preview)---此命令不常用�Q�可以不用记
5�Q?�Q�tn (tn 助记字：(x��)tags next) ---此命令不常用�Q�可以不用记
6�Q?Ctrl + ]
7�Q?Ctrl + T

Klarke 2012-05-11 11:07 发表评论