Adrian,
You were right about the linker error; I had not renamed the LIBS line…
As for the template warning, here is my relevant configuration lines:
router.ethdriver_attributes = "1";
router.ethdriver_global_endpoint = "router_ep";
router.ethdriver_mac = [00, 0x0A, 0x35, 0x02, 0xFF, 0x1E];
From: Adrian.Danis@data61.csiro.au [mailto:Adrian.Danis@data61.csiro.au]
Sent: Tuesday, January 17, 2017 10:22 PM
To: Chris Guikema <Chris.Guikema@dornerworks.com>; devel@sel4.systems
Subject: Re: [seL4] CAmkES Templates
Hi Chris,
For the 'pbuf_alloc' linker error can you confirm that the component is having 'lwip' added as a LIBS dependency. For example in the camkes-vm in projects/vm/components/UDPServer/UDPServer.mk there is the line
UDPServer_LIBS := sel4camkes ethdrivers lwip sel4vspace
This is what actually causes lwip to be linked into the component, and not just be provided as a build dependency for header staging
With the template error can you confirm that you are provided the attributes for router.ethdriver? For example in apps/cma34cr_singlevm/vm.camkes the connection
connection seL4Ethdriver eth_driver0(from udpserver0.ethdriver, to ethdriver.client)
Has some associated configuration for udpserver0.ethdriver of
udpserver0.ethdriver_attributes = "1";
udpserver0.ethdriver_shmem_size = 0x1000;
udpserver0.ethdriver_global_endpoint = "udpserver0_endpoint";
udpserver0.ethdriver_mac = [06, 00, 00, 12, 13, 14];
Adrian
On Wed 18-Jan-2017 6:10 AM, Chris Guikema wrote:
Hello,
I am working on a CAmkES application attempting to build a seL4 Network Stack. I am basing this on the CAmkES-VM and utilizing UDP Protocol with the lwIP library.
During my build process, I get quite a few linking errors like this:
undefined reference to `pbuf_alloc'
This is odd, because in the templates, the proper header files are being linked in. There are also warnings like this:
Warning: no template for ethdriver_1.to.source
Even though the connection does exist:
connection seL4Ethdriver eth_driver(from router.ethdriver, to ethdriver.client);
Is there something obvious I am doing wrong?
Thanks
Chris
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