diff options
Diffstat (limited to 'config/cpu/powerpc/cycles.h')
-rw-r--r-- | config/cpu/powerpc/cycles.h | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/config/cpu/powerpc/cycles.h b/config/cpu/powerpc/cycles.h deleted file mode 100644 index 2b9097f..0000000 --- a/config/cpu/powerpc/cycles.h +++ /dev/null @@ -1,75 +0,0 @@ -/* - Copyright (C) 2001 Paul Davis - Code derived from various headers from the Linux kernel - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - */ - -#ifndef __jack_cycles_h__ -#define __jack_cycles_h__ - -/* PowerPC */ - -#define CPU_FTR_601 0x00000100 -#ifdef __powerpc64__ -#define CPU_FTR_CELL_TB_BUG 0x0000800000000000UL -#endif /* __powerpc64__ */ - -typedef unsigned long cycles_t; - -/* For the "cycle" counter we use the timebase lower half. */ - -extern cycles_t cacheflush_time; - -static inline cycles_t get_cycles (void) -{ - cycles_t ret = 0; - -#ifdef __powerpc64__ -#ifdef ENABLE_CELLBE - asm volatile ( \ - "90: mftb %0;\n" \ - "97: cmpwi %0,0;\n" \ - " beq- 90b;\n" \ - "99:\n" \ - ".section __ftr_fixup,\"a\"\n" \ - ".align 3\n" \ - "98:\n" \ - " .llong %1\n" \ - " .llong %1\n" \ - " .llong 97b-98b\n" \ - " .llong 99b-98b\n" \ - ".previous" \ - : "=r" (ret) : "i" (CPU_FTR_CELL_TB_BUG)); -#else /* !ENABLE_CELLBE */ - __asm__ __volatile__ ("mftb %0" : "=r" (ret)); -#endif /* !ENABLE_CELLBE */ -#else /* !__powerpc64__ */ - __asm__ __volatile__ ( - "98: mftb %0\n" - "99:\n" - ".section __ftr_fixup,\"a\"\n" - " .long %1\n" - " .long 0\n" - " .long 98b\n" - " .long 99b\n" - ".previous" - : "=r" (ret) : "i" (CPU_FTR_601)); -#endif /* !__powerpc64__ */ - return ret; -} - -#endif /* __jack_cycles_h__ */ |