lekernel changed the topic of #milkymist to: Mixxeo, Migen, Milkymist-ng & other Milkymist projects :: Logs: http://en.qi-hardware.com/mmlogs
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<mrueg>
hey
<mrueg>
does anyone here know why i receive an error like "rc/gcc-4.5.3/newlib/libc/reent/sbrkr.c:60: undefined reference to `_sbrk'" during linking when i try to allocate memory with calloc?
<azonenberg>
davidc__: it's a little more complex than that
<azonenberg>
I'm doing CPLDs to start out since the structure is more regular
<azonenberg>
And mostly black-boxing "this HDL makes this output" etc
<azonenberg>
the silicon analysis is mostly to confirm hypotheses i can't easily test otherwise
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<ysionneau>
mrueg: what are you trying to do, can you paste entire list of commands and outputs to pastebin?
<mrueg>
ysionneau: i think i know where the error was
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<mrueg>
the software i try to build has no support for dynamic memory allocation so it is useless to call for calloc
<ysionneau>
ok
<ysionneau>
mwalle: I just added a few dummy cases in lm32_cpu_gdb_read_register() in qemu
<ysionneau>
(I pulled your master branch btw)
<ysionneau>
I tried to add new registers in gdb, but it seems GDB client does not request them
<ysionneau>
doing "info reg" does not show them
<ysionneau>
so I guess I missed something in gdb huge source code base
<ysionneau>
oh!
<ysionneau>
I just tried info all-registers and it did spit out lines about TLBPADDR and others :)
<ysionneau>
saying *value not available*
<ysionneau>
let's dig some more into gdb mess
<ysionneau>
now as soon as I connect gdb client to qemu I get "Ignoring packet error, continuing..." :)
<ysionneau>
I told qemu that gdb registers were 32+11 instead of 32+7
<ysionneau>
hum, just increasing by one makes gdb client very unhappy (32 + 8 instead of 32+7)