current usage/references:
$ grep -r XTRN_DECLARE_GLOBAL_DATA_PTR *
arch/powerpc/include/asm/global_data.h:#define XTRN_DECLARE_GLOBAL_DATA_PTR
extern
arch/powerpc/include/asm/global_data.h:#define DECLARE_GLOBAL_DATA_PTR
XTRN_DECLARE_GLOBAL_DATA_PTR \
common/board_f.c:#ifdef XTRN_DECLARE_GLOBAL_DATA_PTR
common/board_f.c:#undef XTRN_DECLARE_GLOBAL_DATA_PTR
common/board_f.c:#define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate
here */
$
where the powerpc header file reads simply:
#if 1
#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r2")
#else /* We could use plain global data, but the resulting code is bigger */
#define XTRN_DECLARE_GLOBAL_DATA_PTR extern
#define DECLARE_GLOBAL_DATA_PTR XTRN_DECLARE_GLOBAL_DATA_PTR \
gd_t *gd
#endif
is any other architecture manually defining that macro?
rday
--
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Robert P. J. Day Ottawa, Ontario, CANADA
http://crashcourse.ca
Twitter: http://twitter.com/rpjday
LinkedIn: http://ca.linkedin.com/in/rpjday
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