2013-06-17T00:03:50 *** monstr has joined #rtems 2013-06-17T00:37:39 *** the9a3eedi has joined #rtems 2013-06-17T01:06:06 *** freenix has quit IRC (Ping timeout: 264 seconds) 2013-06-17T01:06:40 *** freenix has joined #rtems 2013-06-17T01:11:38 *** freenix has quit IRC (Ping timeout: 256 seconds) 2013-06-17T01:12:08 *** freenix has joined #rtems 2013-06-17T01:21:06 *** freenix has quit IRC (Ping timeout: 264 seconds) 2013-06-17T01:23:14 *** freenix has joined #rtems 2013-06-17T01:35:33 *** freenix has quit IRC (Ping timeout: 256 seconds) 2013-06-17T01:38:49 *** freenix has joined #rtems 2013-06-17T01:44:30 *** freenix has quit IRC (Ping timeout: 256 seconds) 2013-06-17T01:44:59 *** freenix has joined #rtems 2013-06-17T01:48:26 *** sebhub has joined #rtems 2013-06-17T01:48:49 *** arvind_khadri has joined #rtems 2013-06-17T01:50:11 good morning 2013-06-17T01:56:31 *** freenix has quit IRC (Ping timeout: 256 seconds) 2013-06-17T01:56:56 *** freenix has joined #rtems 2013-06-17T02:10:28 *** freenix has quit IRC (Ping timeout: 246 seconds) 2013-06-17T02:10:54 *** freenix has joined #rtems 2013-06-17T02:18:16 sebhub, around ? 2013-06-17T02:19:01 sebhub, what is the magic to change the default serial port ? The zynq eval board defaults to UART1 2013-06-17T02:21:20 *** freenix has quit IRC (Ping timeout: 256 seconds) 2013-06-17T02:21:50 *** freenix has joined #rtems 2013-06-17T02:22:39 hi chris, ric also asked about this 2013-06-17T02:23:06 to avoid hacks we have to change the probe function 2013-06-17T02:25:24 probe function ? 2013-06-17T02:25:49 console_fns in 2013-06-17T02:28:13 Yeah ok sure, but in what way ? The serial.h gives me little to go on. 2013-06-17T02:28:36 I return true when the BSP says this is the default or the chip is present ? 2013-06-17T02:29:02 hm, there is also a bsp_console_select() 2013-06-17T02:29:10 this console driver stuff is a mess 2013-06-17T02:29:14 Yeah 2013-06-17T02:29:46 hold on I will send a patch 2013-06-17T02:29:59 for ? 2013-06-17T02:30:10 the console minor number selection 2013-06-17T02:31:02 oh great a bsp_console_select that uses printk 2013-06-17T02:31:09 thanks 2013-06-17T02:31:36 wow 2013-06-17T02:32:53 Must have been developed on a PC with video memory 2013-06-17T02:34:20 The xilinx bootgen tool is a bit of a hack. It expands the .bss section as 0s in the output image !! 2013-06-17T02:34:42 this is stupid 2013-06-17T02:35:07 It also includes .init/.fini sections in a first stage boot loader :) 2013-06-17T02:35:29 A 1st stage boot loader that supports static destructors 2013-06-17T02:36:29 need to head off for a bit; back later 2013-06-17T02:37:35 by the way hello seems to run part from no output cause the serial->usb module on the eval board is wired to UART1 2013-06-17T02:37:48 I do not know what Ric was seeing with the thumb mode code failing 2013-06-17T02:38:05 this was likely a debugger problem with ARM/Thumb 2013-06-17T02:38:06 He had not built RSB tools so I am not sure what tools he is using 2013-06-17T02:38:24 Ah ok. What debugger is he using ? 2013-06-17T02:38:33 the xilinx on, xdm or so 2013-06-17T02:39:33 ah yes he is 2013-06-17T02:40:58 *** Thorn has quit IRC (Ping timeout: 245 seconds) 2013-06-17T02:42:21 verm__, removed the -I/usr/local from the RSB on FreeBSD. Screwed up arm gdb in a silent way where I go the "Dave I am sorry .." message. 2013-06-17T02:42:55 that breaks everything else then 2013-06-17T02:43:03 oh wait 2013-06-17T02:43:15 nevermind i build without /usr/local anyway because that broke everything for me 2013-06-17T02:43:36 yeah so the fix is pushed. I wonder why I added it in the first place ? 2013-06-17T02:43:45 no idea 2013-06-17T02:43:49 yeah same :) 2013-06-17T02:43:57 probably to get a dependency and doing that worked at the time 2013-06-17T02:44:18 anyway built gcc-4.8.1 with a full updated freebsd-9.1 set of ports 2013-06-17T02:44:58 maybe; I am building with a native gcc-4.7 now 2013-06-17T02:48:49 *** freenix has quit IRC (Ping timeout: 256 seconds) 2013-06-17T02:49:25 *** freenix has joined #rtems 2013-06-17T03:03:23 *** freenix has quit IRC (Quit: Leaving) 2013-06-17T03:04:08 http://git.rtems.org/rtems/commit/c/src/lib/libbsp/arm/xilinx-zynq?id=cf46db85169d123d1071ef8f3f063f16c2f00d0f 2013-06-17T03:04:36 you can set now the console device via a bsp option: BSP_CONSOLE_MINOR 2013-06-17T03:16:01 *** the9a3eedi has quit IRC (Ping timeout: 256 seconds) 2013-06-17T03:21:13 *** the9a3eedi has joined #rtems 2013-06-17T04:25:21 *** the9a3eedi has quit IRC (Read error: Connection reset by peer) 2013-06-17T04:25:48 *** the9a3eedi has joined #rtems 2013-06-17T04:33:56 *** the9a3eedi has quit IRC (Ping timeout: 256 seconds) 2013-06-17T05:48:02 *** vipulnayyar has joined #rtems 2013-06-17T05:51:28 *** vipulnayyar has quit IRC (Client Quit) 2013-06-17T06:40:53 *** arvind_khadri has quit IRC (Ping timeout: 240 seconds) 2013-06-17T07:24:42 *** monstr has quit IRC (Ping timeout: 264 seconds) 2013-06-17T07:26:46 *** arvind_khadri has joined #rtems 2013-06-17T07:26:54 *** monstr has joined #rtems 2013-06-17T07:47:53 *** antgreen_ has quit IRC (Ping timeout: 240 seconds) 2013-06-17T09:15:53 *** phipse has joined #rtems 2013-06-17T09:19:33 *** antgreen_ has joined #rtems 2013-06-17T09:24:39 *** arvind_khadri has quit IRC (Remote host closed the connection) 2013-06-17T09:37:57 *** antgreen_ has quit IRC (Ping timeout: 256 seconds) 2013-06-17T09:57:19 *** antgreen_ has joined #rtems 2013-06-17T10:00:22 *** the9a3eedi has joined #rtems 2013-06-17T10:05:25 *** weiY has joined #rtems 2013-06-17T10:07:38 Hi, sebhub. good night 2013-06-17T10:07:45 hi 2013-06-17T10:07:48 i have see your mail 2013-06-17T10:08:22 ok 2013-06-17T10:08:36 and now my rtems is clone from github. and does this repo have smp support for the bsp you said in the mail 2013-06-17T10:09:07 and my patch will push into the github also 2013-06-17T10:11:05 ok, we should integrate your works as soon as possible 2013-06-17T10:11:21 so you should send primarily patches to the rtems-devel list 2013-06-17T10:11:58 ok, then i should clone the repo from the rtems.git not github 2013-06-17T10:11:59 all my smp work is in the master repo 2013-06-17T10:12:10 because the github code is not updated 2013-06-17T10:12:12 ok 2013-06-17T10:12:19 rtems.git, i don't know how up to date the github stuff is 2013-06-17T10:12:30 i hope its in sync 2013-06-17T10:15:12 it is updated a month ago 2013-06-17T10:15:24 please use the latest 2013-06-17T10:15:43 ok 2013-06-17T10:29:19 the stdatomic.h should work on all architectures supported by GCC and RTEMS 2013-06-17T10:29:55 i thing we need only support for atomic pointers and an unsinged integer 2013-06-17T10:32:32 it also support the architecture without atomic instruction? 2013-06-17T10:34:54 gcc will emit function calls in this case, these functions must be provided by the OS 2013-06-17T10:35:56 sry, have to leave now the office, cu 2013-06-17T10:36:06 *** sebhub has quit IRC (Remote host closed the connection) 2013-06-17T10:36:07 you mean that for those architectures we must implement it 2013-06-17T10:36:08 ok 2013-06-17T10:36:53 *** antgreen_ has quit IRC (Ping timeout: 256 seconds) 2013-06-17T10:51:16 *** weiY has quit IRC (Quit: Leaving...) 2013-06-17T12:15:56 *** vipulnayyar has joined #rtems 2013-06-17T12:16:40 *** vipulnayyar has quit IRC (Client Quit) 2013-06-17T14:12:09 *** monstr has quit IRC (Ping timeout: 268 seconds) 2013-06-17T14:21:09 *** monstr has joined #rtems 2013-06-17T14:28:39 *** antgreen_ has joined #rtems 2013-06-17T14:39:25 *** phipse has quit IRC (Quit: leaving) 2013-06-17T15:01:37 *** monstr has quit IRC (Ping timeout: 248 seconds) 2013-06-17T15:51:06 *** antgreen_ has quit IRC (Ping timeout: 264 seconds) 2013-06-17T17:40:23 *** antgreen_ has joined #rtems 2013-06-17T17:46:04 *** antgreen_ has quit IRC (Ping timeout: 260 seconds) 2013-06-17T18:54:10 *** the9a3eedi has quit IRC (Ping timeout: 252 seconds) 2013-06-17T19:00:31 *** vipulnayyar has joined #rtems 2013-06-17T19:17:54 *** vipulnayyar has left #rtems ("Leaving") 2013-06-17T19:39:20 *** the9a3eedi has joined #rtems 2013-06-17T20:42:27 *** antgreen_ has joined #rtems 2013-06-17T21:03:09 If I had a question about how RTL and RAP works, should I send to the users or the developers mailing list? 2013-06-17T21:24:59 Ask here 2013-06-17T21:25:19 If I am here I am happy to answer. The IRC is archived 2013-06-17T21:46:16 *** the9a3eedi-2 has joined #rtems 2013-06-17T21:49:56 *** the9a3eedi has quit IRC (Ping timeout: 256 seconds) 2013-06-17T23:36:45 *** vipulnayyar has joined #rtems 2013-06-17T23:38:31 kiwichris, very well, but I thought it would be more suitable for a mailing list 2013-06-17T23:40:04 well, my question is.. the RAP program on the host collects the object files and turns them into a dynamic library which are then loaded by the RTL on the target, correct? From what I understood, the undefined references are resolved by RTL during run-time 2013-06-17T23:40:37 My question is, why aren't they resolved when the rap file is actualy being created on the host? Since the RAP program needs the target executable anyway, it would know the exact memory location of every symbol, right? 2013-06-17T23:41:34 I also have another question.. is there some kind of document I can read that describes the algorithms RTEMS uses to demonstrate its real-time capabilities? For example its memory allocator 2013-06-17T23:48:04 the9a3eedi-2, first yes the symbols are resolved when loading and if not the object is flags as having unresolved 2013-06-17T23:48:09 symbols 2013-06-17T23:49:00 the9a3eedi-2, you may have a few modules that depend on each other and it they mutually depend you need to be able to load modules with unresolved errors 2013-06-17T23:49:51 the9a3eedi-2, what do you mean demonstrate ? do you mean document ? 2013-06-17T23:50:10 well, not demonstrate, more like "explain" 2013-06-17T23:50:48 as for RTL, it makes sense now, thanks. 2013-06-17T23:55:26 With RTL you can load ELF files and you can incrementally link ELF files into a single ELF file. 2013-06-17T23:56:22 RTEMS as an RTOS is deterministic. The time to create, delete, and switch tasks is fixed and do not vary with the number of tasks in the system 2013-06-17T23:57:51 The latency of the is period to do something such as enter an interrupt and is around the best of the other RTOSs you can find. 2013-06-17T23:58:38 By the way the RTL only knows the final address when the code is loaded into memory 2013-06-18T00:20:21 *** freenix has joined #rtems 2013-06-18T00:27:20 *** freenix has quit IRC (Quit: Leaving) 2013-06-18T00:27:21 *** hiddenpearls has joined #rtems 2013-06-18T00:27:52 *** monstr has joined #rtems 2013-06-18T00:29:45 *** hiddenpearls has quit IRC (Read error: Connection reset by peer) 2013-06-18T00:31:02 *** hiddenpearls1 has joined #rtems 2013-06-18T00:58:48 *** hiddenpearls1 has quit IRC (Quit: Leaving.) 2013-06-18T01:07:32 *** arvind_khadri has joined #rtems 2013-06-18T01:31:00 kiwichris, I realize it's deterministic, but I was wondering if there were benchmark papers or comparisons, or documents that explain _why_ it's deterministic 2013-06-18T01:40:00 Not that I know of. The code is where this resides 2013-06-18T01:46:07 *** sebhub has joined #rtems 2013-06-18T01:46:27 good morning 2013-06-18T02:00:53 sebhub, hi 2013-06-18T02:01:38 the zynq paranoia fails attempting to add a node in the FS for the console driver :( 2013-06-18T02:06:03 if you use minor number 1 for the console? 2013-06-18T02:07:49 yes 2013-06-18T02:08:19 Set with my patch adding a Console_Configuration_Port_Minor as a weak symbol. 2013-06-18T02:08:49 Why would a minor number of 1 make a difference ? 2013-06-18T02:09:05 i don't have this global variable 2013-06-18T02:11:35 paranoia works on the latest git master with BSP_CONSOLE_MINOR=1 2013-06-18T02:18:38 *** the9a3eedi-3 has joined #rtems 2013-06-18T02:19:10 *** the9a3eedi-2 has quit IRC (Read error: Connection reset by peer) 2013-06-18T02:43:46 kiwichris, thanks for the info 2013-06-18T02:56:50 *** vipulnayyar has joined #rtems 2013-06-18T03:10:32 i write currently something about the BSP start on ARM 2013-06-18T03:32:46 sebhub, I will try this. I have the memory map changed to reflect the memory teh FSBL creates 2013-06-18T03:32:57 thanks for this. The arm start up is nice 2013-06-18T04:18:13 *** vipulnayyar has quit IRC (Ping timeout: 268 seconds) 2013-06-18T04:50:19 *** the9a3eedi-3 has quit IRC (Ping timeout: 264 seconds) 2013-06-18T05:03:15 *** vipulnayyar has joined #rtems 2013-06-18T05:35:35 *** freenix has joined #rtems 2013-06-18T05:47:39 !logs 2013-06-18T05:47:55 *** vipulnayyar has quit IRC (Quit: Leaving) 2013-06-18T05:52:46 *** freenix has quit IRC (Ping timeout: 276 seconds) 2013-06-18T05:56:30 *** freenix has joined #rtems 2013-06-18T06:01:12 *** freenix has quit IRC (Ping timeout: 268 seconds) 2013-06-18T06:03:52 *** freenix has joined #rtems 2013-06-18T06:15:42 *** freenix has quit IRC (Ping timeout: 264 seconds) 2013-06-18T06:16:25 *** freenix has joined #rtems 2013-06-18T06:38:37 *** kiwichris has quit IRC (Read error: Connection reset by peer) 2013-06-18T06:38:54 *** kiwichris has joined #rtems 2013-06-18T06:47:44 *** freenix has quit IRC (Ping timeout: 252 seconds) 2013-06-18T06:51:25 *** freenix has joined #rtems 2013-06-18T06:57:13 *** freenix has quit IRC (Read error: Connection reset by peer) 2013-06-18T06:59:16 *** arvind_khadri has quit IRC (Remote host closed the connection) 2013-06-18T08:07:21 *** weiY has joined #rtems 2013-06-18T08:31:15 *** weiY has quit IRC (Quit: Leaving...) 2013-06-18T09:19:20 *** arvind_khadri has joined #rtems 2013-06-18T09:23:04 *** JenniferA has joined #rtems 2013-06-18T09:44:11 *** JenniferA has quit IRC (Quit: Page closed) 2013-06-18T09:51:03 *** hiddenpearls has joined #rtems 2013-06-18T09:59:57 *** gedare has joined #rtems 2013-06-18T10:06:13 *** weiY has joined #rtems 2013-06-18T10:23:25 *** hiddenpearls has quit IRC (Quit: Leaving.) 2013-06-18T10:55:59 *** sebhub has quit IRC (Remote host closed the connection) 2013-06-18T11:02:02 *** weiY has quit IRC (Quit: Leaving...) 2013-06-18T11:04:49 *** monstr has quit IRC (Ping timeout: 248 seconds) 2013-06-18T11:53:40 *** hiddenpearls has joined #rtems 2013-06-18T11:58:03 *** Hesham-- has joined #rtems 2013-06-18T12:19:33 *** vipulnayyar has joined #rtems 2013-06-18T12:27:58 *** S_Somani has joined #rtems 2013-06-18T12:38:09 *** hiddenpearls has quit IRC (Ping timeout: 252 seconds) 2013-06-18T12:38:38 *** vipulnayyar has quit IRC (Quit: Leaving) 2013-06-18T13:45:23 *** gedare has quit IRC (Ping timeout: 240 seconds) 2013-06-18T14:02:45 *** gedare has joined #rtems 2013-06-18T14:09:31 *** Hesham-- has quit IRC (Read error: Connection reset by peer) 2013-06-18T14:15:14 *** gedare has quit IRC (Ping timeout: 256 seconds) 2013-06-18T15:22:25 *** S_Somani has quit IRC (Quit: Leaving.) 2013-06-18T15:22:29 *** S_Somani1 has joined #rtems 2013-06-18T15:22:30 *** S_Somani1 has left #rtems 2013-06-18T17:47:30 *** freenix has joined #rtems 2013-06-18T17:54:04 *** freenix has quit IRC (Quit: Leaving) 2013-06-18T18:06:01 *** freenix has joined #rtems 2013-06-18T18:06:17 hi,kiwichris 2013-06-18T18:08:08 freenix, just popping out for a few minutes then back 2013-06-18T18:08:38 ok. Thanks. 2013-06-18T18:26:18 *** freenix has quit IRC (Ping timeout: 252 seconds) 2013-06-18T18:27:14 *** freenix has joined #rtems 2013-06-18T18:32:55 *** freenix has quit IRC (Ping timeout: 264 seconds) 2013-06-18T18:33:39 *** freenix has joined #rtems 2013-06-18T18:44:29 *** freenix has quit IRC (Ping timeout: 240 seconds) 2013-06-18T20:20:15 *** freenix has joined #rtems 2013-06-18T20:24:59 *** freenix has quit IRC (Ping timeout: 256 seconds) 2013-06-18T20:25:46 *** freenix has joined #rtems 2013-06-18T23:02:02 *** arvind_khadri has quit IRC (Read error: Operation timed out) 2013-06-18T23:02:56 *** hiddenpearls has joined #rtems 2013-06-18T23:29:30 *** arvind_khadri has joined #rtems 2013-06-18T23:35:13 *** arvind_khadri has quit IRC (Ping timeout: 246 seconds) 2013-06-18T23:35:46 *** weiY has joined #rtems 2013-06-18T23:37:28 *** hiddenpearls has quit IRC (Ping timeout: 276 seconds) 2013-06-18T23:38:59 * kiwichris smiles and thanks vem__ as an RSB appears on github via git.rtems.org 2013-06-18T23:40:27 *** hiddenpearls has joined #rtems 2013-06-18T23:52:22 *** weiY has quit IRC (Quit: Leaving...) 2013-06-19T00:06:06 *** hiddenpearls has quit IRC (Quit: Leaving.) 2013-06-19T00:21:07 *** monstr has joined #rtems 2013-06-19T00:23:15 *** weiY has joined #rtems 2013-06-19T00:29:41 *** weiY has quit IRC (Read error: Connection reset by peer) 2013-06-19T00:29:52 *** weiY has joined #rtems 2013-06-19T00:34:24 *** arvind_khadri has joined #rtems 2013-06-19T00:46:29 *** hiddenpearls has joined #rtems 2013-06-19T00:53:42 *** hiddenpearls has quit IRC (Quit: Leaving.) 2013-06-19T01:11:21 *** weiY has quit IRC (Quit: Leaving...) 2013-06-19T01:18:31 *** arvind_khadri has quit IRC (Remote host closed the connection) 2013-06-19T01:47:11 *** vipulnayyar has joined #rtems 2013-06-19T01:47:35 *** sebhub has joined #rtems 2013-06-19T01:47:58 good morning 2013-06-19T01:55:29 sebhub, hi 2013-06-19T01:59:06 *** arvind_khadri has joined #rtems 2013-06-19T02:05:27 which return code is ignored in rtems_filesystem_eval_path_continue()? 2013-06-19T02:13:07 just looking 2013-06-19T02:14:40 sup_fs_eval_path.c:114 2013-06-19T02:15:08 Also I am getting some sort of exception in memcpy (I think) 2013-06-19T02:18:41 I need to head out for a while 2013-06-19T02:19:47 sebhub, also if I can build a DWARF2 ARM tool set with the RSB would that help solve your DWARF3/4 issue ? 2013-06-19T02:41:04 *** vipulnayyar has quit IRC (Quit: Leaving) 2013-06-19T03:52:19 *** vipulnayyar has joined #rtems 2013-06-19T03:52:45 *** vipulnayyar has quit IRC (Client Quit) 2013-06-19T04:31:16 *** arvind_khadri has quit IRC (Ping timeout: 276 seconds) 2013-06-19T04:35:08 *** arvind_khadri has joined #rtems 2013-06-19T05:11:33 *** vipulnayyar has joined #rtems 2013-06-19T05:19:01 *** vipulnayyar has quit IRC (Quit: Leaving) 2013-06-19T05:57:52 sebhub, is 'bx lr' an ok thumb instruction ? 2013-06-19T05:59:17 yes 2013-06-19T06:00:39 I am failing here. The exception catch code is nice. Thanks for this. 2013-06-19T06:00:53 The lr registers as an odd number 2013-06-19T06:00:58 as -> has 2013-06-19T06:01:11 I suspect that is the reason for the failure 2013-06-19T06:01:13 yes, this means that the target code is in thumb mode 2013-06-19T06:01:23 Oh lr can be odd ? 2013-06-19T06:01:38 yes, its special for arm/thumb interwork 2013-06-19T06:02:04 bit 0 indicates the mode, 0 = arm, 1 = thumb 2013-06-19T06:02:09 The lr points to rubish 2013-06-19T06:02:16 Ok 2013-06-19T06:02:31 a stack problem? 2013-06-19T06:04:21 No sure. I need to figure out the specific path to this call. 2013-06-19T06:04:45 I have Ric's cp15 VBAR hack in at the moment. I will try your patch tomorrow. 2013-06-19T06:05:01 i checked in the uart fix, can you test it please 2013-06-19T06:05:12 qemu still works with it 2013-06-19T06:05:27 At least the VBAR patch catches the exception. Before it ran into the FSBL's table and that returned 2013-06-19T06:05:36 Great. I will test the patch tomorrow 2013-06-19T06:05:41 ok 2013-06-19T06:05:59 the standard arm vector table is at 0x0 2013-06-19T06:06:16 The baudrate code is interesting cause you need to search for suitables values for both registers 2013-06-19T06:06:19 this VBAR stuff is quite new and a Security Extension 2013-06-19T06:06:54 VBAR to move vectors has been around since the early '90s. It is a very good idea for all sorts of reasons. 2013-06-19T06:06:56 yes, hardware developers should write drivers for their stuff 2013-06-19T06:07:21 hm, but not for the arm? 2013-06-19T06:07:22 haha now you are just being silly 2013-06-19T06:07:59 Imaging software developer hardware style. They would have VVVVVVVHLC for very very very ?.. high level code 2013-06-19T06:08:16 Each 2 years they would add another V 2013-06-19T06:08:45 on powerpc this is also relatively new with book e 2013-06-19T06:08:59 * kiwichris wonders how many hardware people he has upset 2013-06-19T06:09:11 The 68020 had a VBR 2013-06-19T06:09:52 The OCM only has a couple of places to live and 0 is one place 2013-06-19T06:10:21 I plan to look at moving the interrupt stack and maybe the workspace into the OCM if I have room. 2013-06-19T06:10:47 The OCM is difficult because anything other than 128bit aligned access results in lower performance 2013-06-19T06:11:35 I also need to figure out how to get OpenOCD to invalidate the cache on a GDB halt. 2013-06-19T06:12:24 sebhub, I am off for the night, and many thanks for all your help so far 2013-06-19T06:12:39 cu 2013-06-19T06:35:34 *** MegaAlex|away has quit IRC (Ping timeout: 246 seconds) 2013-06-19T06:36:58 *** vipulnayyar has joined #rtems 2013-06-19T06:37:02 *** MegaAlex|away has joined #rtems 2013-06-19T06:52:50 *** vipulnayyar has quit IRC (Quit: Leaving) 2013-06-19T06:54:51 *** arvind_khadri has quit IRC (Ping timeout: 240 seconds) 2013-06-19T07:19:32 *** arvind_khadri has joined #rtems 2013-06-19T07:26:46 *** antgreen_ has quit IRC (Ping timeout: 276 seconds) 2013-06-19T07:31:54 *** gedare has joined #rtems 2013-06-19T08:34:03 *** gedare has quit IRC (Ping timeout: 268 seconds) 2013-06-19T08:40:54 *** vipulnayyar has joined #rtems 2013-06-19T08:42:41 *** vipulnayyar has quit IRC (Client Quit) 2013-06-19T08:56:17 *** vipulnayyar has joined #rtems 2013-06-19T08:57:35 *** phipse has joined #rtems 2013-06-19T09:14:23 *** vipulnayyar has quit IRC (Quit: Leaving) 2013-06-19T09:23:29 *** phipse has quit IRC (Ping timeout: 248 seconds) 2013-06-19T09:26:32 *** hiddenpearls has joined #rtems 2013-06-19T09:35:13 *** hiddenpearls has quit IRC (Read error: Connection reset by peer) 2013-06-19T09:40:18 *** monstr has quit IRC (Ping timeout: 256 seconds) 2013-06-19T09:48:37 *** vipulnayyar has joined #rtems 2013-06-19T09:51:09 *** vipulnayyar has quit IRC (Client Quit) 2013-06-19T10:15:46 *** sebhub has quit IRC (Remote host closed the connection) 2013-06-19T10:22:39 *** Thorn has joined #rtems 2013-06-19T10:59:25 *** antgreen_ has joined #rtems 2013-06-19T11:17:15 *** vipulnayyar has joined #rtems 2013-06-19T11:25:14 *** vipulnayyar has quit IRC (Quit: Leaving) 2013-06-19T11:57:11 *** vipulnayyar has joined #rtems 2013-06-19T12:18:21 *** vipulnayyar has quit IRC (Quit: Leaving) 2013-06-19T13:08:32 *** jenniferA has joined #rtems 2013-06-19T13:16:49 *** vipulnayyar has joined #rtems 2013-06-19T13:42:14 *** gedare has joined #rtems 2013-06-19T13:48:26 *** vipulnayyar has quit IRC (Quit: Leaving) 2013-06-19T15:06:30 *** jenniferA has quit IRC (Quit: Leaving) 2013-06-19T15:08:53 *** gedare has quit IRC (Ping timeout: 240 seconds) 2013-06-19T15:46:53 *** antgreen_ has quit IRC (Ping timeout: 240 seconds) 2013-06-19T17:06:30 *** Thorn has quit IRC (Ping timeout: 268 seconds) 2013-06-19T18:32:28 *** antgreen_ has joined #rtems 2013-06-19T20:37:13 *** Thorn has joined #rtems 2013-06-19T21:31:56 *** hiddenpearls has joined #rtems 2013-06-19T21:52:12 *** hiddenpearls has quit IRC (Quit: Leaving.) 2013-06-19T22:14:19 *** hiddenpearls has joined #rtems 2013-06-19T22:28:55 *** hiddenpearls has quit IRC (Quit: Leaving.) 2013-06-19T23:12:31 *** hiddenpearls has joined #rtems 2013-06-20T00:04:53 *** monstr has joined #rtems 2013-06-20T00:15:31 *** hiddenpearls has quit IRC (Ping timeout: 264 seconds) 2013-06-20T00:24:11 *** vipulnayyar has joined #rtems 2013-06-20T00:26:49 *** vipulnayyar has quit IRC (Client Quit) 2013-06-20T00:56:58 *** arvind_khadri has quit IRC (Remote host closed the connection) 2013-06-20T01:01:43 *** kiwichris has quit IRC (Ping timeout: 260 seconds) 2013-06-20T01:12:31 *** kiwichris has joined #rtems 2013-06-20T01:24:09 *** Thorn has quit IRC (Ping timeout: 268 seconds) 2013-06-20T01:49:56 *** kiwichris has quit IRC (Quit: This computer has gone to sleep) 2013-06-20T01:50:53 *** sebhub has joined #rtems 2013-06-20T01:51:29 good morning 2013-06-20T01:56:45 *** MegaAlex|away has quit IRC (Ping timeout: 240 seconds) 2013-06-20T01:57:57 *** MegaAlex|away has joined #rtems 2013-06-20T02:02:55 *** MegaAlex|away has quit IRC (Ping timeout: 264 seconds) 2013-06-20T02:07:30 *** kiwichris has joined #rtems 2013-06-20T02:07:40 sebhub, hi 2013-06-20T02:12:18 sebhub, in the zynq bsp set up is it just the L1 cache that is set up ? 2013-06-20T02:16:56 are the cache levels visible? 2013-06-20T02:17:07 *** MegaAlex|away has joined #rtems 2013-06-20T02:18:02 where did you find the mmu dependency in the newlib memcpy? 2013-06-20T02:20:18 From the patch posted to the newlib list ... 2013-06-20T02:20:18 + Unaligned accesses 2013-06-20T02:20:19 + LDRD/STRD support unaligned word accesses 2013-06-20T02:21:14 and a mount table memcpy call to make a string had an address offset of 1 and length 5 2013-06-20T02:22:06 what does "cache levels visible" mean ? 2013-06-20T02:23:15 ok, i have to look at the unaligned support more closely 2013-06-20T02:24:51 i thought that the cache operations don't operate on explicity cache levels 2013-06-20T02:25:02 It works when the 'setup_mmu_and_cache' call is made 2013-06-20T02:25:23 Hmm ok, so the L2 cache is also enabled ? 2013-06-20T02:25:49 An invalidate the data cache works on both 2013-06-20T02:26:10 The Zynq TRM has some interesting words in it related to the L2 cache. 2013-06-20T02:26:29 some cache operations have scopes, e.g. PoU, PoC, IS 2013-06-20T02:26:54 ok, i didn't look at this so far 2013-06-20T02:27:00 Page 100 of the ug585 states write 0x020202 to an address and the address is "reserved" in the register tables 2013-06-20T02:27:23 PoU point of unification, PoC point of coherence, IS inner shareable domain 2013-06-20T02:27:40 Thanks, I was wondering :) 2013-06-20T02:28:11 From the zynq TRM ? "The L2 cache is disabled by default and can be enabled by setting Bit 0 of the L2 Cache Control 2013-06-20T02:28:11 register independently of the L1 caches." 2013-06-20T02:28:59 Given your comments I wonder if the cp15 invalidate cache call handles the L2 cache 2013-06-20T02:29:33 invalidation of the data cache is not that easy, i think you need two for loops 2013-06-20T02:29:56 On each line ? 2013-06-20T02:30:13 the instruction cache invalidate is easy 2013-06-20T02:30:28 the linux kernel has an example code 2013-06-20T02:58:43 *** MegaAlex|away has quit IRC (Ping timeout: 264 seconds) 2013-06-20T03:00:28 *** MegaAlex|away has joined #rtems 2013-06-20T03:17:50 *** nico_ has joined #rtems 2013-06-20T03:18:24 *** nico_ is now known as tictoc 2013-06-20T03:20:55 Hi everyone. I was wondering if someone could give me advice on running one of the network-demos examples using the latest VirtualBox development environment. 2013-06-20T03:22:30 what kind of problem do you have? 2013-06-20T03:22:31 I tried to run the netdemo example. It starts, and I can inside the virtual box make a connection via telnet. But when I try to transmit a TCP packet I get the message "Can't connect socket: Host is unreachable" 2013-06-20T03:23:07 I just build and executed it without making any changes to the preset Qemu config or the networkconfig.h 2013-06-20T03:24:05 where do you open the tcp socked, on the target or the host? 2013-06-20T03:24:39 Hm 2013-06-20T03:25:45 inside Qemu on the target I would say 2013-06-20T03:26:05 tictoc, how is the network address set ? 2013-06-20T03:27:12 The address of the target in Qemu is 10.1.2.5, the TCP_DATA_SINK_HOST is set to 10.0.2.2 2013-06-20T03:28:06 tictoc, netmask ? 2013-06-20T03:28:22 255.255.255.0 2013-06-20T03:29:10 and do you have a route that tells the networking stack how to get to 10.0.2\24 from 10.1.2\24 ? 2013-06-20T03:29:28 sorry from 10.1.2\24 to 10.0.2\24 2013-06-20T03:30:13 Ahm what's 10.0.2\24? 2013-06-20T03:30:18 ie the host you are sending to at 10.0.2.2 is on a different subnet to the address of this machine 2013-06-20T03:30:44 10.0.2/24 means 10.0.2.x or the first 24 bits of the 32bit address 2013-06-20T03:31:08 ok I don't know, how can I check this? 2013-06-20T03:31:37 do a google search for an ip address calculator and have a play 2013-06-20T03:32:09 If your network address was say 10.0.2.100 then the stack would send it out the interface attached to that network 2013-06-20T03:32:32 and I would assume 10.0.2.2 was on the same subnet as the device 2013-06-20T03:37:30 locking into it... 2013-06-20T03:37:36 looking* 2013-06-20T03:37:58 great 2013-06-20T03:38:13 did you build the RTEMS shell in with the networking commands ? 2013-06-20T03:40:17 I really only build RTEMS using the predefined build_bsp commands and the network-demos folder, where is the shell included? 2013-06-20T03:41:22 I have to admit I don't really yet know what I am doing here, I was just trying to figure out if I could use networking from RTEMS. I have never before used RTEMS or done anything with networking / sockets, though 2013-06-20T03:52:53 *** dhananjay has quit IRC (Ping timeout: 245 seconds) 2013-06-20T04:04:50 Ah ok. 2013-06-20T04:05:14 I have not looked at the network demo in a long time. It would be nice if it did provide the shell and networking commands 2013-06-20T04:05:32 Do you get a console RTEMS login when it runs ? 2013-06-20T04:07:00 I am off for a while 2013-06-20T04:07:13 Thanks for the help 2013-06-20T04:07:58 You dont't get an rtems shell, it reacts to 3 inputs: t, u, s 2013-06-20T04:08:23 t to transmit a tcp packet, u to transmit udp (which crashes the app for me), s for network statistics 2013-06-20T04:10:07 I don't know if one of the examples includes a shell, I will see if I can find it. Otherwise I will try to build the shell with network support. Otherwise I don't know how to check if a route exists between the subnets 2013-06-20T04:11:37 I assume it's a good sign that creating and binding sockets works in the example 2013-06-20T04:12:23 *** MegaAlex|away has quit IRC (Ping timeout: 240 seconds) 2013-06-20T04:13:29 *** MegaAlex|away has joined #rtems 2013-06-20T04:34:18 *** vipulnayyar has joined #rtems 2013-06-20T04:35:27 *** arvind_khadri has joined #rtems 2013-06-20T04:36:24 *** arvind_khadri has joined #rtems 2013-06-20T04:38:32 *** vipulnayyar has quit IRC (Client Quit) 2013-06-20T04:51:11 *** vipulnayyar has joined #rtems 2013-06-20T05:16:47 *** vipulnayyar has quit IRC (Quit: Leaving) 2013-06-20T05:41:55 *** MegaAlex|away has quit IRC (Ping timeout: 264 seconds) 2013-06-20T05:42:31 *** MegaAlex|away has joined #rtems 2013-06-20T06:10:15 *** vipulnayyar has joined #rtems 2013-06-20T06:11:53 *** MegaAlex|away has quit IRC (Ping timeout: 240 seconds) 2013-06-20T06:13:31 *** MegaAlex|away has joined #rtems 2013-06-20T06:27:21 *** vipulnayyar has quit IRC (Quit: Leaving) 2013-06-20T06:31:27 *** arvind_khadri has quit IRC (Ping timeout: 252 seconds) 2013-06-20T06:48:03 *** arvind_khadri has joined #rtems 2013-06-20T06:49:45 Ok regarding my networking experiment. As I stated earlier I just used the VirtualBox environment without any modifications 2013-06-20T06:52:31 I can ping the RTEMS target IP (10.1.2.5) from CentOS (10.0.2.15). Then I tried the ttcp example and set up RTEMS as the receiver and the Unix client as a sender. This also works, RTEMS inside Qemu receives the packets send from Unix. 2013-06-20T06:55:55 As a sender RTEMS identifies the IP 10.0.2.2, which is associated with network adapter set up by Qemu (52:54:00:12:35:02 (QEMU Virtual NIC)) 2013-06-20T06:57:50 However trying the other way around I do not know how to transmit from RTEMS to the Unix client 2013-06-20T06:57:53 *** MegaAlex|away has quit IRC (Ping timeout: 240 seconds) 2013-06-20T06:59:01 *** MegaAlex|away has joined #rtems 2013-06-20T07:01:12 On another note, I plan to use RTEMS for my master thesis. Is it possible / difficult to install RTEMS on a regular x86 desktop as a target? 2013-06-20T07:08:03 you can use wireshark to see if packets are sent in the virtual network 2013-06-20T07:08:59 it is possible to run rtems on a regular desktop, but i would not do it 2013-06-20T07:15:14 you can run rtems on cheap arm targets like raspberry pi 2013-06-20T07:20:25 Why wouldn't you? I might need to run some calculations that are CPU heavy, so moving to a cheap platform might not do it. 2013-06-20T07:21:53 ok, which application do you have in mind? 2013-06-20T07:55:40 *** vipulnayyar has joined #rtems 2013-06-20T08:13:14 *** hiddenpearls has joined #rtems 2013-06-20T08:13:37 *** vipulnayyar has quit IRC (Ping timeout: 268 seconds) 2013-06-20T08:18:21 *** hiddenpearls has quit IRC (Quit: Leaving.) 2013-06-20T08:20:02 *** gedare has joined #rtems 2013-06-20T08:27:04 *** hiddenpearls has joined #rtems 2013-06-20T08:38:44 *** weiY has joined #rtems 2013-06-20T08:43:05 *** hiddenpearls has quit IRC (Quit: Leaving.) 2013-06-20T08:48:35 *** antgreen_ is now known as antgreen 2013-06-20T09:04:12 *** vipulnayyar has joined #rtems 2013-06-20T09:13:12 *** vipulnayyar has quit IRC (Ping timeout: 256 seconds) 2013-06-20T09:17:46 *** hiddenpearls has joined #rtems 2013-06-20T09:31:56 *** MegaAlex|away has quit IRC (Ping timeout: 268 seconds) 2013-06-20T09:33:24 *** vipulnayyar 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quit IRC (Quit: Leaving) 2013-06-22T02:40:52 *** hiddenpearls has joined #rtems 2013-06-22T02:45:44 *** freenix has joined #rtems 2013-06-22T02:46:33 hi, kiwichris. 2013-06-22T02:49:39 *** Hesham has joined #rtems 2013-06-22T02:58:57 *** arvind_khadri has quit IRC (Ping timeout: 248 seconds) 2013-06-22T03:10:33 *** arvind_khadri has joined #rtems 2013-06-22T03:46:39 *** hiddenpearls has joined #rtems 2013-06-22T03:58:58 *** vipulnayyar has joined #rtems 2013-06-22T04:04:10 *** hiddenpearls has quit IRC (Quit: Leaving.) 2013-06-22T04:05:04 *** vipulnayyar has quit IRC (Quit: Leaving) 2013-06-22T04:20:41 *** freenix has quit IRC (Quit: Leaving) 2013-06-22T04:49:27 *** vipulnayyar has joined #rtems 2013-06-22T04:53:53 *** vipulnayyar has quit IRC (Client Quit) 2013-06-22T04:54:13 *** vipulnayyar has joined #rtems 2013-06-22T04:57:18 *** weiY has joined #rtems 2013-06-22T04:58:39 *** vipulnayyar has quit IRC (Client Quit) 2013-06-22T05:13:59 *** MegaAlex|away has quit IRC (Ping timeout: 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2013-06-22T21:20:36 *** kiwichris has joined #rtems 2013-06-22T21:24:09 freenix, hi 2013-06-22T21:24:24 my connection may come and go, I am in a public for a few hours 2013-06-22T21:24:54 ok. You said there may be many things that we should chat about 2013-06-22T21:25:14 I have not send my status to the mail list. 2013-06-22T21:25:16 yeah, first have you done a report for the list as Gedare asked ? 2013-06-22T21:25:21 haha 2013-06-22T21:25:41 So I want to ask you what type is the report 2013-06-22T21:25:55 Just what I have done and the todo? 2013-06-22T21:26:04 What you have been doing and what will be doing :) 2013-06-22T21:26:05 yeah 2013-06-22T21:26:17 ok. Thanks. 2013-06-22T21:26:38 I have not been over all the changes you have done. We need to get them into a suitable shape to merge upstream 2013-06-22T21:27:11 ok. Then what should I do the next week, in your view. 2013-06-22T21:27:13 The waf script changes I suspect work for you however I am concerned they are bit too specific 2013-06-22T21:27:41 I originally want to document the code that I have wrote the next week and then dig into the elftool chain 2013-06-22T21:27:47 We need to work on getting the changes feed upstream and committed to into the master repo 2013-06-22T21:28:45 Yes and we need to get those changes feed upstream. I have no updated the code in the RTL for a long time. That might need to be done. 2013-06-22T21:29:54 ok. If you have anytime, hope you can review the code that I submitted. 2013-06-22T21:30:07 I think they are not well factored. 2013-06-22T21:32:38 Then I next week, I 'll work to resovle the specific things, document the code and look into the elftool. 2013-06-22T21:32:51 Any advice>? 2013-06-22T21:36:26 Could you please take a look and see how easy it is to update elftools and let me know. 2013-06-22T21:36:44 ok. I'll do that. 2013-06-22T21:36:58 update to the newest version? 2013-06-22T21:37:11 Yeah 2013-06-22T21:37:17 ok. 2013-06-22T21:37:23 It will make send patches upstream easier 2013-06-22T21:37:38 My hope is it will be an easy drop in 2013-06-22T21:38:05 I'll first look into it. 2013-06-22T22:06:07 *** kiwichris has quit IRC (Quit: This computer has gone to sleep) 2013-06-22T22:27:33 *** freenix has quit IRC (Quit: Leaving) 2013-06-22T22:52:29 *** kiwichris has joined #rtems 2013-06-22T23:24:10 *** kiwichris has quit IRC (Quit: This computer has gone to sleep) 2013-06-22T23:49:12 *** vipulnayyar has joined #rtems 2013-06-23T00:37:57 *** vipulnayyar has quit IRC (Quit: Leaving) 2013-06-23T00:41:07 *** vipulnayyar has joined #rtems 2013-06-23T01:03:56 *** kiwichris has joined #rtems 2013-06-23T01:24:04 *** antgreen has quit IRC (Ping timeout: 256 seconds) 2013-06-23T01:42:58 *** vipulnayyar has joined #rtems 2013-06-23T01:47:23 *** vipulnayyar has quit IRC (Client Quit) 2013-06-23T01:49:59 *** freenix has joined #rtems 2013-06-23T02:52:14 *** dukeleto has joined #rtems 2013-06-23T02:52:29 * dukeleto waves 2013-06-23T03:49:58 *** vipulnayyar has joined #rtems 2013-06-23T04:00:57 *** vipulnayyar has quit IRC (Quit: Leaving) 2013-06-23T04:38:10 kiwichris: around? 2013-06-23T05:05:57 *** vipulnayyar has joined #rtems 2013-06-23T05:10:01 *** vipulnayyar has quit IRC (Client Quit) 2013-06-23T05:21:23 *** MegaAlex|away has quit IRC (Ping timeout: 255 seconds) 2013-06-23T05:22:19 *** dukeleto has quit IRC (Ping timeout: 256 seconds) 2013-06-23T05:24:21 *** MegaAlex|away has joined #rtems 2013-06-23T05:28:02 *** freenix has quit IRC (Quit: Leaving) 2013-06-23T05:51:08 *** antgreen has joined #rtems 2013-06-23T06:50:02 *** MegaAlex|away has quit IRC (Ping timeout: 255 seconds) 2013-06-23T06:51:21 *** MegaAlex|away has joined #rtems 2013-06-23T07:39:18 *** vipulnayyar has joined #rtems 2013-06-23T07:53:56 *** vipulnayyar has quit IRC (Ping timeout: 255 seconds) 2013-06-23T08:18:19 *** vipulnayyar has joined #rtems 2013-06-23T08:30:09 *** vipulnayyar has quit IRC (Ping timeout: 248 seconds) 2013-06-23T08:31:00 *** vipulnayyar has joined #rtems 2013-06-23T08:32:22 *** vipulnayyar has quit IRC (Client Quit) 2013-06-23T09:23:06 *** weiY has joined #rtems 2013-06-23T09:23:30 *** vipulnayyar has joined #rtems 2013-06-23T09:28:47 *** vipulnayyar has quit IRC (Quit: Leaving) 2013-06-23T09:45:05 *** S_Somani has joined #rtems 2013-06-23T10:18:30 *** S_Somani has left #rtems 2013-06-23T10:19:19 *** arvind_khadri has joined #rtems 2013-06-23T11:01:37 *** weiY has quit IRC (Quit: Leaving...) 2013-06-23T11:28:28 *** vipulnayyar has joined #rtems 2013-06-23T11:31:21 *** vipulnayyar has quit IRC (Client Quit) 2013-06-23T12:26:51 *** vipulnayyar has joined #rtems 2013-06-23T13:04:15 *** vipulnayyar has quit IRC (Quit: Leaving) 2013-06-23T16:53:44 *** kiwichris has quit IRC (Quit: This computer has gone to sleep) 2013-06-23T16:54:25 *** kiwichris has joined #rtems 2013-06-23T19:08:50 *** the9a3eedi has joined #rtems 2013-06-23T19:59:54 *** freenix has joined #rtems 2013-06-23T21:50:28 *** weiY has joined #rtems 2013-06-23T22:16:29 *** weiY has quit IRC (Quit: Leaving...) 2013-06-23T22:40:33 *** weiY has joined #rtems 2013-06-23T22:55:38 *** vipulnayyar has joined #rtems 2013-06-23T22:55:43 *** freenix has quit IRC (Ping timeout: 264 seconds) 2013-06-23T22:56:06 *** vipulnayyar has quit IRC (Client Quit)