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[PARISC] Use MFIA in current_text_addr on pa2.0 processors

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Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
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Kyle McMartin 2006-05-19 20:18:17 +00:00 committed by Kyle McMartin
parent 7514b7a500
commit 1b6d1b5e07
1 changed files with 6 additions and 8 deletions
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14
include/asm-parisc/processor.h
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@ -26,14 +26,12 @@
* Default implementation of macro that returns current
* instruction pointer ("program counter").
*/
/* We cannot use MFIA as it was added for PA2.0 - prumpf
At one point there were no "0f/0b" type local symbols in gas for
PA-RISC. This is no longer true, but this still seems like the
nicest way to implement this. */
#define current_text_addr() ({ void *pc; __asm__("\n\tblr 0,%0\n\tnop":"=r" (pc)); pc; })
#ifdef CONFIG_PA20
#define current_ia(x) __asm__("mfia %0" : "=r"(x))
#else /* mfia added in pa2.0 */
#define current_ia(x) __asm__("blr 0,%0\n\tnop" : "=r"(x))
#endif
#define current_text_addr() ({ void *pc; current_ia(pc); pc; })
#define TASK_SIZE (current->thread.task_size)
#define TASK_UNMAPPED_BASE (current->thread.map_base)