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| author | David Howells <dhowells@redhat.com> | 2012-03-28 21:11:12 +0400 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2012-03-28 21:11:12 +0400 |
| commit | ec2212088c42ff7d1362629ec26dda4f3e8bdad3 (patch) | |
| tree | 0e99963f6818ef9c07fe8f2fb1f9851ef9641313 /arch/alpha/include/asm/special_insns.h | |
| parent | f05e798ad4c09255f590f5b2c00a7ca6c172f983 (diff) | |
| download | linux-ec2212088c42ff7d1362629ec26dda4f3e8bdad3.tar.xz | |
Disintegrate asm/system.h for Alpha
Disintegrate asm/system.h for Alpha.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: linux-alpha@vger.kernel.org
Diffstat (limited to 'arch/alpha/include/asm/special_insns.h')
| -rw-r--r-- | arch/alpha/include/asm/special_insns.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/alpha/include/asm/special_insns.h b/arch/alpha/include/asm/special_insns.h new file mode 100644 index 000000000000..88d3452b21f0 --- /dev/null +++ b/arch/alpha/include/asm/special_insns.h @@ -0,0 +1,41 @@ +#ifndef __ALPHA_SPECIAL_INSNS_H +#define __ALPHA_SPECIAL_INSNS_H + +enum implver_enum { + IMPLVER_EV4, + IMPLVER_EV5, + IMPLVER_EV6 +}; + +#ifdef CONFIG_ALPHA_GENERIC +#define implver() \ +({ unsigned long __implver; \ + __asm__ ("implver %0" : "=r"(__implver)); \ + (enum implver_enum) __implver; }) +#else +/* Try to eliminate some dead code. */ +#ifdef CONFIG_ALPHA_EV4 +#define implver() IMPLVER_EV4 +#endif +#ifdef CONFIG_ALPHA_EV5 +#define implver() IMPLVER_EV5 +#endif +#if defined(CONFIG_ALPHA_EV6) +#define implver() IMPLVER_EV6 +#endif +#endif + +enum amask_enum { + AMASK_BWX = (1UL << 0), + AMASK_FIX = (1UL << 1), + AMASK_CIX = (1UL << 2), + AMASK_MAX = (1UL << 8), + AMASK_PRECISE_TRAP = (1UL << 9), +}; + +#define amask(mask) \ +({ unsigned long __amask, __input = (mask); \ + __asm__ ("amask %1,%0" : "=r"(__amask) : "rI"(__input)); \ + __amask; }) + +#endif /* __ALPHA_SPECIAL_INSNS_H */ |