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sh: CPU flags in AT_HWCAP in ELF auxvt.

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Encode processor flags in AT_HWCAP in the ELF auxiliary vector.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt
2006-09-27 18:22:53 +09:00
parent a6a3113989
commit 315bb96824
4 changed files with 27 additions and 18 deletions
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12
include/asm-sh/processor.h
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@@ -14,6 +14,7 @@
#include <asm/types.h>
#include <asm/cache.h>
#include <asm/ptrace.h>
#include <asm/cpu-features.h>
/*
* Default implementation of macro that returns current
@@ -127,17 +128,6 @@ union sh_fpu_union {
struct sh_fpu_soft_struct soft;
};
/*
* Processor flags
*/
#define CPU_HAS_FPU 0x0001 /* Hardware FPU support */
#define CPU_HAS_P2_FLUSH_BUG 0x0002 /* Need to flush the cache in P2 area */
#define CPU_HAS_MMU_PAGE_ASSOC 0x0004 /* SH3: TLB way selection bit support */
#define CPU_HAS_DSP 0x0008 /* SH-DSP: DSP support */
#define CPU_HAS_PERF_COUNTER 0x0010 /* Hardware performance counters */
#define CPU_HAS_PTEA 0x0020 /* PTEA register */
struct thread_struct {
unsigned long sp;
unsigned long pc;