[U-Boot] [PATCH] nds32: Add a basic errno.h

[Simon Glass]

Hi,

On Sun, Jan 6, 2013 at 3:37 AM, Macpaul Lin <macpaul at gmail.com> wrote:
> Hi Simon,
>
> 2013/1/6 Simon Glass <sjg at chromium.org>
>>
>> This is available on other architectures, and nds32 will start to break
>> without it as code starts to use error numbers more.
>>
>> +++ b/arch/nds32/include/asm/errno.h
>> @@ -0,0 +1 @@
>> +#include <asm-generic/errno.h
>
>
> Thanks for your patch.
>
> I've also noticed that NDS32 currently has compiling error because of
> -fstack-usage option has been enabled by default.
> However, the gcc-4.6 compiler for nds32 is still under developing.
> I've told compiler team to speed up developing work on  gcc-4.6 and later.
> If there were fail on compiling test of nds32 architecture, please ignore
> it.
> Sorry for the inconvenince.

I don't see that one at present, but I do get these with gcc 4.4.4:

     nds32:   + adp-ag101p  + adp-ag102  + adp-ag101
+ns16550.c: In function 'NS16550_init':
+ns16550.c:47: warning: passing argument 2 of 'writeb' makes pointer
from integer without a cast
+/c/cosarm/src/third_party/u-boot/us-vboot7/.bm-work/27/build/include2/asm/io.h:109:
note: expected 'unsigned char *' but argument is of type 'long
unsigned int'
+cmd_ide.c: In function '__ide_output_data':
+cmd_ide.c:546: warning: passing argument 2 of 'ide_write_data'
discards qualifiers from pointer target type
+/c/cosarm/src/third_party/u-boot/us-vboot7/.bm-work/03/include/ide.h:76:
note: expected 'ulong *' but argument is of type 'const ulong *'
+/c/cosarm/src/third_party/u-boot/us-vboot7/.bm-work/03/build/include2/asm/io.h:109:
note: expected 'unsigned char *' but argument is of type 'long
unsigned int'
+In file included from ext4fs.c:39:
+ext4_common.h:39:23: error: asm/errno.h: No such file or directory
+make[1]: *** No rule to make target
`/c/cosarm/src/third_party/u-boot/us-vboot7/.bm-work/03/build/fs/ext4/.depend',
needed by `/c/cosarm/src/third_party/u-boot/us-vboot7/.bm-work/03/build/fs/ext4/libext4fs.o'.
 Stop.
+make: *** [/c/cosarm/src/third_party/u-boot/us-vboot7/.bm-work/03/build/fs/ext4/libext4fs.o]
Error 2
+/c/cosarm/src/third_party/u-boot/us-vboot7/.bm-work/30/build/include2/asm/io.h:109:
note: expected 'unsigned char *' but argument is of type 'long
unsigned int'


If you don't support a gcc option it should be possible to disable it
in U-Boot for your toolchain as a temporary workaround. It would be
good to get a pointer to your toolchain at some point.

Regards,
Simon

>
>
> --
> Best regards,
> Macpaul Lin