Hello, I'm just starting with cortex-m3 and with gnu arm toolchain. My question may be stupid. What I wanted to ask: 1.I know that during the development it is...
Good day, I've been battling with accesses to memory mapped IO on the ST STR912 ARM 9. I would like to define structs with bitfields, overlayed on the IO to...
frikkie.thirion Wrote ... Using bitfields to access IO is a bad idea to start with. ... Really? Isn't there ARM hardware that has 8 bit access to at least...
Hi all, I just noticed that Gcc-4.3.2 produces bigger code than previous versions. It is a *big* difference, around 50%, and both used the "-os" option. This...
... Are you sure you have the "volatile" in the right place? I would have expected something like: typedef struct { volatile uint32_t PLL_MDIV:8; ... }; I've...
Using bitfields to access hardware registers is a VERY bad idea. It is totally non portable, and even if you manage to get it to work, it can easily break with...
... is totally non portable, ... even a minor revision of a compiler I'm not advocating, but I've yet to hear of someone actually experiencing a problem with...
paloalgodon Wrote ... is totally non portable, ... even a minor revision of a compiler ... Well now you have, if nothing else then from the original post, and...
... Hmm. I recall bitfields on 68k starting at the MSB and moving down. Were any of the processors you've used big-endian? We used bitfields to represent an...
... I've had problems with IO bitfields (in some code I inherited) and switched to masks etc. The problem was caused by a control/status register that had some...
... It is not just the compiler writers. Hardware vendors could make far better choices when designing their peripherals to be more software friendly. When...
... I tend to agree with your observation here. IMO, there are a number of programmers who cannot read datasheets for IC chips and hit pitfalls like you...
Hi ich habe die binaries der toolchain gnuarm-4.0.2 von gnuarm.com runter geholt. Die 65 MB kamen flott rein, aber beim Entpacken fällt der Archivmanager bös...
Hi I downloaded the gnuarm-4.0.2 toolchain for linux from gnuarm.com. When unpacking the 65 MB-file, the archive-manager terminates with an error. It reports...
Hallo everybody, Thank you for all the feedback on my post. I've started playing around a bit inside the internals of GCC. I've added some printf() statements ...
Hi, I'm new to GNU ARM (you guessed?) I want to install the GNUARM toolchain on my OS X 10.5 (Mac) system, but I don't want to frag my already existing gcc...
... You should be fine with pre-compiled images (which one are you considering?). Generally, they create binaries with names like "arm-elf-gcc". The ...
Hi, did you get a reply to this? I downloaded the file (bu-2.16.1_gcc-4.0.2-c-c++_nl-1.14.0_gi-6.4_x86-64.tar.bz2) from gnuarm.com. It wouldn't unpack with...
... Did you mean "-Os" ? Regards, ash. ________________________________ From: gnuarm@yahoogroups.com [mailto:gnuarm@yahoogroups.com] On Behalf Of Alain M. ...
... I've been looking at www.gnuarm.org for their tool chain distributions, I don't know if they are pre-compiled or not, I'm hoping so. ... That would be...
Is possible to build a position indipendent (relocatable) funnction? We don't have an OS in our application, do we need a loader? thanks -- Assioma di Cole:...
Hi all, I've got Eclipse Europa on my OS X 10.4 system. I've installed the GNUARM toolchain successfully, so far as I know. I've installed the GNUARM Eclipse...
... took ... Hi Dennis, I just download the complete Eclipse package w/ CDT from http://www.eclipse.org/downloads/ Specifically "Eclipse IDE for C/C++ ...
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