diff options
Diffstat (limited to 'arch/blackfin/kernel/traps.c')
| -rw-r--r-- | arch/blackfin/kernel/traps.c | 62 |
1 files changed, 25 insertions, 37 deletions
diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c index 56058b0b6d4..3909f5b3553 100644 --- a/arch/blackfin/kernel/traps.c +++ b/arch/blackfin/kernel/traps.c @@ -27,15 +27,15 @@ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ -#include <asm/uaccess.h> +#include <linux/uaccess.h> +#include <linux/interrupt.h> +#include <linux/module.h> +#include <linux/kallsyms.h> #include <asm/traps.h> #include <asm/cacheflush.h> #include <asm/blackfin.h> -#include <asm/uaccess.h> #include <asm/irq_handler.h> -#include <linux/interrupt.h> -#include <linux/module.h> -#include <linux/kallsyms.h> +#include <asm/trace.h> #ifdef CONFIG_KGDB # include <linux/debugger.h> @@ -76,7 +76,7 @@ static int printk_address(unsigned long address) if (!modname) modname = delim = ""; return printk("<0x%p> { %s%s%s%s + 0x%lx }", - (void*)address, delim, modname, delim, symname, + (void *)address, delim, modname, delim, symname, (unsigned long)offset); } @@ -119,7 +119,7 @@ static int printk_address(unsigned long address) write_unlock_irq(&tasklist_lock); return printk("<0x%p> [ %s + 0x%lx ]", - (void*)address, name, offset); + (void *)address, name, offset); } vml = vml->next; @@ -128,19 +128,9 @@ static int printk_address(unsigned long address) write_unlock_irq(&tasklist_lock); /* we were unable to find this address anywhere */ - return printk("[<0x%p>]", (void*)address); + return printk("[<0x%p>]", (void *)address); } -#define trace_buffer_save(x) \ - do { \ - (x) = bfin_read_TBUFCTL(); \ - bfin_write_TBUFCTL((x) & ~TBUFEN); \ - } while (0) -#define trace_buffer_restore(x) \ - do { \ - bfin_write_TBUFCTL((x)); \ - } while (0) - asmlinkage void trap_c(struct pt_regs *fp) { int j, sig = 0; @@ -203,15 +193,14 @@ asmlinkage void trap_c(struct pt_regs *fp) #else /* 0x02 - User Defined, Caught by default */ #endif - /* 0x03 - Atomic test and set */ + /* 0x03 - User Defined, userspace stack overflow */ case VEC_EXCPT03: info.si_code = SEGV_STACKFLOW; sig = SIGSEGV; printk(KERN_EMERG EXC_0x03); CHK_DEBUGGER_TRAP(); break; - /* 0x04 - spinlock - handled by _ex_spinlock, - getting here is an error */ + /* 0x04 - User Defined, Caught by default */ /* 0x05 - User Defined, Caught by default */ /* 0x06 - User Defined, Caught by default */ /* 0x07 - User Defined, Caught by default */ @@ -547,29 +536,28 @@ void dump_bfin_regs(struct pt_regs *fp, void *retaddr) printk(KERN_EMERG "TEXT = 0x%p-0x%p DATA = 0x%p-0x%p\n" KERN_EMERG "BSS = 0x%p-0x%p USER-STACK = 0x%p\n" KERN_EMERG "\n", - (void*)current->mm->start_code, - (void*)current->mm->end_code, - (void*)current->mm->start_data, - (void*)current->mm->end_data, - (void*)current->mm->end_data, - (void*)current->mm->brk, - (void*)current->mm->start_stack); + (void *)current->mm->start_code, + (void *)current->mm->end_code, + (void *)current->mm->start_data, + (void *)current->mm->end_data, + (void *)current->mm->end_data, + (void *)current->mm->brk, + (void *)current->mm->start_stack); } printk(KERN_EMERG "return address: [0x%p]; contents of:", retaddr); - if (retaddr != 0 && retaddr <= (void*)physical_mem_end + if (retaddr != 0 && retaddr <= (void *)physical_mem_end #if L1_CODE_LENGTH != 0 /* FIXME: Copy the code out of L1 Instruction SRAM through dma memcpy. */ - && !(retaddr >= (void*)L1_CODE_START - && retaddr < (void*)(L1_CODE_START + L1_CODE_LENGTH)) + && !(retaddr >= (void *)L1_CODE_START + && retaddr < (void *)(L1_CODE_START + L1_CODE_LENGTH)) #endif ) { int i = ((unsigned int)retaddr & 0xFFFFFFF0) - 32; unsigned short x = 0; - for (; i < ((unsigned int)retaddr & 0xFFFFFFF0 ) + 32 ; - i += 2) { - if ( !(i & 0xF) ) + for (; i < ((unsigned int)retaddr & 0xFFFFFFF0) + 32; i += 2) { + if (!(i & 0xF)) printk(KERN_EMERG "\n" KERN_EMERG "0x%08x: ", i); @@ -588,7 +576,7 @@ void dump_bfin_regs(struct pt_regs *fp, void *retaddr) " The rest of this error" " is meanless\n"); #endif - if ( i == (unsigned int)retaddr ) + if (i == (unsigned int)retaddr) printk("[%04x]", x); else printk(" %04x ", x); @@ -681,8 +669,8 @@ void panic_cplb_error(int cplb_panic, struct pt_regs *fp) break; } - printk(KERN_EMERG "DCPLB_FAULT_ADDR=%p\n", (void*)bfin_read_DCPLB_FAULT_ADDR()); - printk(KERN_EMERG "ICPLB_FAULT_ADDR=%p\n", (void*)bfin_read_ICPLB_FAULT_ADDR()); + printk(KERN_EMERG "DCPLB_FAULT_ADDR=%p\n", (void *)bfin_read_DCPLB_FAULT_ADDR()); + printk(KERN_EMERG "ICPLB_FAULT_ADDR=%p\n", (void *)bfin_read_ICPLB_FAULT_ADDR()); dump_bfin_regs(fp, (void *)fp->retx); dump_stack(); panic("Unrecoverable event\n"); |