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Kirill Smelkov
linux
Commits
7883a18c
Commit
7883a18c
authored
Jan 15, 2004
by
Richard Henderson
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[ALPHA] Tidy ELF_HWCAP and ELF_PLATFORM.
Provide all relevant platform identifiers up to ev67.
parent
755fa12b
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include/asm-alpha/elf.h
include/asm-alpha/elf.h
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include/asm-alpha/elf.h
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7883a18c
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@@ -122,27 +122,19 @@ extern int dump_elf_task_fp(elf_fpreg_t *dest, struct task_struct *task);
instruction set this CPU supports. This is trivial on Alpha,
but not so on other machines. */
#define ELF_HWCAP \
({ \
/* Sadly, most folks don't yet have assemblers that know about \
amask. This is "amask v0, v0" */
\
register long _v0 __asm("$0") = -1; \
__asm(".long 0x47e00c20" : "=r"(_v0) : "0"(_v0)); \
~_v0; \
})
#define ELF_HWCAP (~amask(-1))
/* This yields a string that ld.so will use to load implementation
specific libraries for optimization. This is more specific in
intent than poking at uname or /proc/cpuinfo.
This might do with checking bwx simultaneously... */
intent than poking at uname or /proc/cpuinfo. */
#define ELF_PLATFORM \
({ \
/* Or "implver v0" ... */
\
register long _v0 __asm("$0"); \
__asm(".long 0x47e03d80" : "=r"(_v0)); \
_v0 == 0 ? "ev4" : "ev5"; \
enum implver_enum i_ = implver(); \
( i_ == IMPLVER_EV4 ? "ev4" \
: i_ == IMPLVER_EV5 \
? (amask(AMASK_BWX) ? "ev5" : "ev56") \
: amask (AMASK_CIX) ? "ev6" : "ev67"); \
})
#ifdef __KERNEL__
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