From a36920200c5b89d56120a5e839fe4a603d51b16c Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Tue, 10 Jul 2007 17:33:02 +0100 Subject: [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 --- include/asm-mips/mipsregs.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'include/asm-mips/mipsregs.h') diff --git a/include/asm-mips/mipsregs.h b/include/asm-mips/mipsregs.h index 89c81922d47..668db02c280 100644 --- a/include/asm-mips/mipsregs.h +++ b/include/asm-mips/mipsregs.h @@ -7,7 +7,7 @@ * Copyright (C) 2000 Silicon Graphics, Inc. * Modified for further R[236]000 support by Paul M. Antoine, 1996. * Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com - * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. + * Copyright (C) 2000, 07 MIPS Technologies, Inc. * Copyright (C) 2003, 2004 Maciej W. Rozycki */ #ifndef _ASM_MIPSREGS_H @@ -533,6 +533,7 @@ #define MIPS_CONF3_VEIC (_ULCAST_(1) << 6) #define MIPS_CONF3_LPA (_ULCAST_(1) << 7) #define MIPS_CONF3_DSP (_ULCAST_(1) << 10) +#define MIPS_CONF3_ULRI (_ULCAST_(1) << 13) #define MIPS_CONF7_WII (_ULCAST_(1) << 31) @@ -772,6 +773,9 @@ do { \ #define read_c0_context() __read_ulong_c0_register($4, 0) #define write_c0_context(val) __write_ulong_c0_register($4, 0, val) +#define read_c0_userlocal() __read_ulong_c0_register($4, 2) +#define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val) + #define read_c0_pagemask() __read_32bit_c0_register($5, 0) #define write_c0_pagemask(val) __write_32bit_c0_register($5, 0, val) -- cgit v1.2.3-70-g09d2