/* * Copyright 2004-2009 Analog Devices Inc. * * Licensed under the GPL-2 or later. */ #ifndef _BLACKFIN_BUG_H #define _BLACKFIN_BUG_H #ifdef CONFIG_BUG /* * This can be any undefined 16-bit opcode, meaning * ((opcode & 0xc000) != 0xc000) * Anything from 0x0001 to 0x000A (inclusive) will work */ #define BFIN_BUG_OPCODE 0x0001 #ifdef CONFIG_DEBUG_BUGVERBOSE #define _BUG_OR_WARN(flags) \ asm volatile( \ "1: .hword %0\n" \ " .section __bug_table,\"a\",@progbits\n" \ "2: .long 1b\n" \ " .long %1\n" \ " .short %2\n" \ " .short %3\n" \ " .org 2b + %4\n" \ " .previous" \ : \ : "i"(BFIN_BUG_OPCODE), "i"(__FILE__), \ "i"(__LINE__), "i"(flags), \ "i"(sizeof(struct bug_entry))) #else #define _BUG_OR_WARN(flags) \ asm volatile( \ "1: .hword %0\n" \ " .section __bug_table,\"a\",@progbits\n" \ "2: .long 1b\n" \ " .short %1\n" \ " .org 2b + %2\n" \ " .previous" \ : \ : "i"(BFIN_BUG_OPCODE), "i"(flags), \ "i"(sizeof(struct bug_entry))) #endif /* CONFIG_DEBUG_BUGVERBOSE */ #define BUG() \ do { \ _BUG_OR_WARN(0); \ unreachable(); \ } while (0) #define WARN_ON(condition) \ ({ \ int __ret_warn_on = !!(condition); \ if (unlikely(__ret_warn_on)) \ _BUG_OR_WARN(BUGFLAG_WARNING); \ unlikely(__ret_warn_on); \ }) #define HAVE_ARCH_BUG #define HAVE_ARCH_WARN_ON #endif #include <asm-generic/bug.h> #endif