mirror of
https://github.com/torvalds/linux.git
synced 2024-11-15 00:21:59 +00:00
6b3087c64a
Blackfin dual core BF561 processor can support SMP like features. https://docs.blackfin.uclinux.org/doku.php?id=linux-kernel:smp-like In this patch, we provide SMP extend to Blackfin header files and machine common code Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
71 lines
2.1 KiB
C
71 lines
2.1 KiB
C
/*
|
|
* File: arch/blackfin/include/asm/pda.h
|
|
* Author: Philippe Gerum <rpm@xenomai.org>
|
|
*
|
|
* Copyright 2007 Analog Devices Inc.
|
|
*
|
|
* 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, see the file COPYING, or write
|
|
* to the Free Software Foundation, Inc.,
|
|
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef _ASM_BLACKFIN_PDA_H
|
|
#define _ASM_BLACKFIN_PDA_H
|
|
|
|
#include <asm/mem_map.h>
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
struct blackfin_pda { /* Per-processor Data Area */
|
|
struct blackfin_pda *next;
|
|
|
|
unsigned long syscfg;
|
|
#ifdef CONFIG_SMP
|
|
unsigned long imask; /* Current IMASK value */
|
|
#endif
|
|
|
|
unsigned long *ipdt; /* Start of switchable I-CPLB table */
|
|
unsigned long *ipdt_swapcount; /* Number of swaps in ipdt */
|
|
unsigned long *dpdt; /* Start of switchable D-CPLB table */
|
|
unsigned long *dpdt_swapcount; /* Number of swaps in dpdt */
|
|
|
|
/*
|
|
* Single instructions can have multiple faults, which
|
|
* need to be handled by traps.c, in irq5. We store
|
|
* the exception cause to ensure we don't miss a
|
|
* double fault condition
|
|
*/
|
|
unsigned long ex_iptr;
|
|
unsigned long ex_optr;
|
|
unsigned long ex_buf[4];
|
|
unsigned long ex_imask; /* Saved imask from exception */
|
|
unsigned long *ex_stack; /* Exception stack space */
|
|
|
|
#ifdef ANOMALY_05000261
|
|
unsigned long last_cplb_fault_retx;
|
|
#endif
|
|
unsigned long dcplb_fault_addr;
|
|
unsigned long icplb_fault_addr;
|
|
unsigned long retx;
|
|
unsigned long seqstat;
|
|
};
|
|
|
|
extern struct blackfin_pda cpu_pda[];
|
|
|
|
void reserve_pda(void);
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
|
|
#endif /* _ASM_BLACKFIN_PDA_H */
|