[U-Boot] what is .scommom area in system.map??

[Nitin Srivastava]

Hi,

I work on u-boot for Octeon based boards.  I found some variables to be at address more than uboot_end.

Isin't everything expected to be within uboot_end which is defined by loader script.

Can someone explain why do I see variables outside of uboot_end and what impact can this have.

If I look in uboot.map I see these variables belonging to some special area called .scommon. What's that???

Regds.

Nits

bfcac42c A uboot_end
bfcac430 C __abi32
bfcac434 C packets_sent
bfcac438 C loopback_dev
bfcac440 C coremask_iter_first_core
bfcac448 C boot_cycle_adjustment
bfcac450 C coremask_iter_core
bfcac454 C coremask_iter_mask
bfcac458 C coremask_to_run
bfcac45c C phy_mem_list_head
bfcac460 C pci_cons_desc_addr
bfcac468 C monitor_flash_len
bfcac46c C usb_scan_dev
bfcac470 C NetArpWaitTry
bfcac474 C NetArpWaitPacketMAC
bfcac478 C NetOurEther
bfcac480 C NetOurIP
bfcac484 C NetPingIP
bfcac488 C NetServerIP
bfcac48c C NetArpWaitTxPacketSize
bfcac490 C NetArpWaitReplyIP
bfcac494 C NetArpWaitTxPacket
bfcac498 C NetArpWaitPacketIP
bfcac49c C NetState
bfcac4a0 C NetIPID
bfcac4a4 C NetRxPkt
bfcac4a8 C NetRxPktLen
bfcac4ac C NetBootFileXferSize
bfcac4b0 C NetArpWaitTimerStart
bfcac4b4 C BootpTry
bfcac4b8 C BootpID
bfcac4bc C RarpTry
bfcac4c0 C dp_last_size
bfcac4c4 C dp_last_addr
bfcac4c8 C mm_last_size
bfcac4cc C mm_last_addr
bfcac4d0 C usb_root_hub_devnum
bfcac4d8 C usb_started
bfcac4dc C usb_multi_root_hub
bfcac4e0 C usb_num_root_hub
bfcac4e4 C dev_usb_index
bfcac4e8 C ___strtok
bfcac4ec C urb_finished