From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- arch/blackfin/include/asm/pda.h | 73 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 arch/blackfin/include/asm/pda.h (limited to 'arch/blackfin/include/asm/pda.h') diff --git a/arch/blackfin/include/asm/pda.h b/arch/blackfin/include/asm/pda.h new file mode 100644 index 000000000..68d6f6618 --- /dev/null +++ b/arch/blackfin/include/asm/pda.h @@ -0,0 +1,73 @@ +/* + * Copyright 2007-2009 Analog Devices Inc. + * Philippe Gerum + * + * Licensed under the GPL-2 or later. + */ + +#ifndef _ASM_BLACKFIN_PDA_H +#define _ASM_BLACKFIN_PDA_H + +#include + +#ifndef __ASSEMBLY__ + +struct blackfin_pda { /* Per-processor Data Area */ +#ifdef CONFIG_SMP + struct blackfin_pda *next; +#endif + + 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_ipend; /* Saved IPEND 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; + unsigned int __nmi_count; /* number of times NMI asserted on this CPU */ +#ifdef CONFIG_DEBUG_DOUBLEFAULT + unsigned long dcplb_doublefault_addr; + unsigned long icplb_doublefault_addr; + unsigned long retx_doublefault; + unsigned long seqstat_doublefault; +#endif +}; + +struct blackfin_initial_pda { + void *retx; +#ifdef CONFIG_DEBUG_DOUBLEFAULT + void *dcplb_doublefault_addr; + void *icplb_doublefault_addr; + void *retx_doublefault; + unsigned seqstat_doublefault; +#endif +}; + +extern struct blackfin_pda cpu_pda[]; + +#endif /* __ASSEMBLY__ */ + +#endif /* _ASM_BLACKFIN_PDA_H */ -- cgit v1.2.3-54-g00ecf