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authorRalf Baechle <ralf@linux-mips.org>2007-07-10 17:33:02 +0100
committerRalf Baechle <ralf@linux-mips.org>2007-07-10 17:33:02 +0100
commita36920200c5b89d56120a5e839fe4a603d51b16c (patch)
treeaefb1fc4b0792ef788024fa596954a5689f15d0a /include/asm-mips/cpu-features.h
parentd223a86154f8c66f5a380b17e1c8091d56f47cf8 (diff)
downloadop-kernel-dev-a36920200c5b89d56120a5e839fe4a603d51b16c.zip
op-kernel-dev-a36920200c5b89d56120a5e839fe4a603d51b16c.tar.gz
[MIPS] Enable support for the userlocal hardware register
Which will cut down the cost of RDHWR $29 which is used to obtain the TLS pointer and so far being emulated in software down to a single cycle operation. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'include/asm-mips/cpu-features.h')
-rw-r--r--include/asm-mips/cpu-features.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/asm-mips/cpu-features.h b/include/asm-mips/cpu-features.h
index 5e4bed1..d95a83e 100644
--- a/include/asm-mips/cpu-features.h
+++ b/include/asm-mips/cpu-features.h
@@ -150,6 +150,10 @@
#define cpu_has_mipsmt (cpu_data[0].ases & MIPS_ASE_MIPSMT)
#endif
+#ifndef cpu_has_userlocal
+#define cpu_has_userlocal (cpu_data[0].options & MIPS_CPU_ULRI)
+#endif
+
#ifdef CONFIG_32BIT
# ifndef cpu_has_nofpuex
# define cpu_has_nofpuex (cpu_data[0].options & MIPS_CPU_NOFPUEX)
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