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authorPaul Menzel <paulepanter@users.sourceforge.net>2013-04-01 18:26:58 +0200
committerNico Huber <nico.huber@secunet.com>2013-04-04 14:24:25 +0200
commit3402a7fa7001e40035b6ae303b2e47b6281fef1c (patch)
treec9ac94451825d83db045c115b85ef1d31e28d631 /payloads
parent190011e47c6187479db69344ccf87762009af444 (diff)
downloadcoreboot-3402a7fa7001e40035b6ae303b2e47b6281fef1c.tar.xz
inteltool: Cast to `intptr_t` instead of `uint64_t`
When building inteltool under x86-32, the following warnings are shown. $ gcc --version gcc-4.7.real (Debian 4.7.2-15) 4.7.2 Copyright (C) 2012 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. $ make […] amb.c: In function ‘amb_read_config32’: amb.c:31:23: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] amb.c:31:10: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] amb.c: In function ‘amb_read_config16’: amb.c:45:23: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] amb.c:45:10: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] amb.c: In function ‘amb_read_config8’: amb.c:60:22: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] amb.c:60:10: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] […] Nico Huber commented the following [1]. I don't see those warnings because I build for x86-64. I guess they could be fixed by casting to `ptrdiff_t` (from stddef.h) instead of `uint64_t`. And indeed, using `ptrdiff_t` fixes the warning. But as Stefan Reinauer commented in [2], `intptr_t` is more appropriate as this is just a pointer and no pointer difference. So `intptr_t` is taken, which fixes these issues warned about too. These warnings were introduced in commit »inteltool: Add support for dumping AMB registers« (4b7b320f) [3]. [1] http://review.coreboot.org/#/c/2996/1//COMMIT_MSG [2] http://review.coreboot.org/#/c/3002/1/util/inteltool/amb.c [3] http://review.coreboot.org/525 Change-Id: I2ea1a31dc1e3db129e767d6a9e0433fd75a77d0f Signed-off-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-on: http://review.coreboot.org/3002 Tested-by: build bot (Jenkins) Reviewed-by: Nico Huber <nico.huber@secunet.com>
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