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Diffstat (limited to 'src/arch/ppc/lib/timebase.S')
| -rw-r--r-- | src/arch/ppc/lib/timebase.S | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/src/arch/ppc/lib/timebase.S b/src/arch/ppc/lib/timebase.S deleted file mode 100644 index 9e0b2a9290..0000000000 --- a/src/arch/ppc/lib/timebase.S +++ /dev/null @@ -1,60 +0,0 @@ -/* - * (C) Copyright 2000, 2001 - * Erik Theisen, Wave 7 Optics, etheisen@mindspring.com. - * base on code by - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * 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., 51 Franklin St, Fifth Floor, Boston, - * MA 02110-1301 USA - */ -#include <ppc_asm.tmpl> - - .text -/* - * unsigned long long _get_ticks(void); - */ - .globl _get_ticks -_get_ticks: -1: mftbu r3 - mftb r4 - mftbu r5 - cmpw 0,r3,r5 - bne 1b - blr - -/* - * Delay for a number of ticks - */ - .globl _wait_ticks -_wait_ticks: - mflr r8 /* save link register */ - mr r7, r3 /* save tick count */ - bl _get_ticks /* Get start time */ - - /* Calculate end time */ - addc r7, r4, r7 /* Compute end time lower */ - addze r6, r3 /* and end time upper */ - -1: bl _get_ticks /* Get current time */ - subfc r4, r4, r7 /* Subtract current time from end time */ - subfe. r3, r3, r6 - bge 1b /* Loop until time expired */ - - mtlr r8 /* restore link register */ - blr - |