From: Yegor Yefremov <yegorslists@xxxxxxxxxxxxxx> Signed-off-by: Yegor Yefremov <yegorslists@xxxxxxxxxxxxxx> --- Documentation/filesystems/pstore.rst | 51 ++++++++++++++++++------------------ 1 file changed, 26 insertions(+), 25 deletions(-) diff --git a/Documentation/filesystems/pstore.rst b/Documentation/filesystems/pstore.rst index 74acd87..a8079c2 100644 --- a/Documentation/filesystems/pstore.rst +++ b/Documentation/filesystems/pstore.rst @@ -12,6 +12,7 @@ messages are stored by the kernel in a specified RAM area which is never overwritten by any user. This data can be accessed after a reboot through /pstore in Barebox or the kernel. The pstore filesystem is automatically mounted at boot:: + none on / type ramfs none on /dev type devfs none on /pstore type pstore @@ -40,35 +41,35 @@ and RAM backend support. The kernel receives the parameters describing the layout over the kernel command line. These parameters are automatically generated by Barebox. You can change these parameters in Barebox menuconfig. The RAMOOPS parameters for the Kernel are stored in the variable -global.linux.bootargs.ramoops:: +global.linux.bootargs.ramoops. To see where the RAMOOPS area is located, you can execute iomem in Barebox. The RAMOOPS area is listed as 'persistent ram':: - 0x10000000 - 0x1fffffff (size 0x10000000) ram0 - 0x17e7c0c0 - 0x1fcf817f (size 0x07e7c0c0) malloc space - 0x1fcf8180 - 0x1fcfffff (size 0x00007e80) board data - 0x1fd00000 - 0x1fd6eeff (size 0x0006ef00) barebox - 0x1fd6ef00 - 0x1fd88dff (size 0x00019f00) barebox data - 0x1fd88e00 - 0x1fd8c3db (size 0x000035dc) bss - 0x1fdf4000 - 0x1fe13fff (size 0x00020000) persistent ram - 0x1fe14000 - 0x1fe33fff (size 0x00020000) persistent ram - 0x1fe34000 - 0x1fe53fff (size 0x00020000) persistent ram - 0x1fe54000 - 0x1fe73fff (size 0x00020000) persistent ram - 0x1fe74000 - 0x1fe93fff (size 0x00020000) persistent ram - 0x1fe94000 - 0x1feb3fff (size 0x00020000) persistent ram - 0x1feb4000 - 0x1fed3fff (size 0x00020000) persistent ram - 0x1fed4000 - 0x1fef3fff (size 0x00020000) persistent ram - 0x1fef4000 - 0x1ff13fff (size 0x00020000) persistent ram - 0x1ff14000 - 0x1ff33fff (size 0x00020000) persistent ram - 0x1ff34000 - 0x1ff53fff (size 0x00020000) persistent ram - 0x1ff54000 - 0x1ff73fff (size 0x00020000) persistent ram - 0x1ff74000 - 0x1ff93fff (size 0x00020000) persistent ram - 0x1ff94000 - 0x1ffb3fff (size 0x00020000) persistent ram - 0x1ffb4000 - 0x1ffd3fff (size 0x00020000) persistent ram - 0x1ffd4000 - 0x1fff3fff (size 0x00020000) persistent ram - 0x1fff4000 - 0x1fff7fff (size 0x00004000) ttb - 0x1fff8000 - 0x1fffffff (size 0x00008000) stack + 0x10000000 - 0x1fffffff (size 0x10000000) ram0 + 0x17e7c0c0 - 0x1fcf817f (size 0x07e7c0c0) malloc space + 0x1fcf8180 - 0x1fcfffff (size 0x00007e80) board data + 0x1fd00000 - 0x1fd6eeff (size 0x0006ef00) barebox + 0x1fd6ef00 - 0x1fd88dff (size 0x00019f00) barebox data + 0x1fd88e00 - 0x1fd8c3db (size 0x000035dc) bss + 0x1fdf4000 - 0x1fe13fff (size 0x00020000) persistent ram + 0x1fe14000 - 0x1fe33fff (size 0x00020000) persistent ram + 0x1fe34000 - 0x1fe53fff (size 0x00020000) persistent ram + 0x1fe54000 - 0x1fe73fff (size 0x00020000) persistent ram + 0x1fe74000 - 0x1fe93fff (size 0x00020000) persistent ram + 0x1fe94000 - 0x1feb3fff (size 0x00020000) persistent ram + 0x1feb4000 - 0x1fed3fff (size 0x00020000) persistent ram + 0x1fed4000 - 0x1fef3fff (size 0x00020000) persistent ram + 0x1fef4000 - 0x1ff13fff (size 0x00020000) persistent ram + 0x1ff14000 - 0x1ff33fff (size 0x00020000) persistent ram + 0x1ff34000 - 0x1ff53fff (size 0x00020000) persistent ram + 0x1ff54000 - 0x1ff73fff (size 0x00020000) persistent ram + 0x1ff74000 - 0x1ff93fff (size 0x00020000) persistent ram + 0x1ff94000 - 0x1ffb3fff (size 0x00020000) persistent ram + 0x1ffb4000 - 0x1ffd3fff (size 0x00020000) persistent ram + 0x1ffd4000 - 0x1fff3fff (size 0x00020000) persistent ram + 0x1fff4000 - 0x1fff7fff (size 0x00004000) ttb + 0x1fff8000 - 0x1fffffff (size 0x00008000) stack All pstore files that could be found are added to the /pstore directory. This is a read-only filesystem. If you disable the Kconfig option FS_PSTORE_RAMOOPS_RO, -- 2.1.4 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
