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-rw-r--r--arch/openrisc/kernel/traps.c102
1 files changed, 52 insertions, 50 deletions
diff --git a/arch/openrisc/kernel/traps.c b/arch/openrisc/kernel/traps.c
index 90554a5558..c195be9cc9 100644
--- a/arch/openrisc/kernel/traps.c
+++ b/arch/openrisc/kernel/traps.c
@@ -31,6 +31,7 @@
#include <linux/uaccess.h>
#include <asm/bug.h>
+#include <asm/fpu.h>
#include <asm/io.h>
#include <asm/processor.h>
#include <asm/unwinder.h>
@@ -51,16 +52,16 @@ static void print_trace(void *data, unsigned long addr, int reliable)
{
const char *loglvl = data;
- printk("%s[<%p>] %s%pS\n", loglvl, (void *) addr, reliable ? "" : "? ",
- (void *) addr);
+ pr_info("%s[<%p>] %s%pS\n", loglvl, (void *) addr, reliable ? "" : "? ",
+ (void *) addr);
}
static void print_data(unsigned long base_addr, unsigned long word, int i)
{
if (i == 0)
- printk("(%08lx:)\t%08lx", base_addr + (i * 4), word);
+ pr_info("(%08lx:)\t%08lx", base_addr + (i * 4), word);
else
- printk(" %08lx:\t%08lx", base_addr + (i * 4), word);
+ pr_info(" %08lx:\t%08lx", base_addr + (i * 4), word);
}
/* displays a short stack trace */
@@ -69,7 +70,7 @@ void show_stack(struct task_struct *task, unsigned long *esp, const char *loglvl
if (esp == NULL)
esp = (unsigned long *)&esp;
- printk("%sCall trace:\n", loglvl);
+ pr_info("%sCall trace:\n", loglvl);
unwind_stack((void *)loglvl, esp, print_trace);
}
@@ -83,57 +84,56 @@ void show_registers(struct pt_regs *regs)
if (user_mode(regs))
in_kernel = 0;
- printk("CPU #: %d\n"
- " PC: %08lx SR: %08lx SP: %08lx FPCSR: %08lx\n",
- smp_processor_id(), regs->pc, regs->sr, regs->sp,
- regs->fpcsr);
- printk("GPR00: %08lx GPR01: %08lx GPR02: %08lx GPR03: %08lx\n",
- 0L, regs->gpr[1], regs->gpr[2], regs->gpr[3]);
- printk("GPR04: %08lx GPR05: %08lx GPR06: %08lx GPR07: %08lx\n",
- regs->gpr[4], regs->gpr[5], regs->gpr[6], regs->gpr[7]);
- printk("GPR08: %08lx GPR09: %08lx GPR10: %08lx GPR11: %08lx\n",
- regs->gpr[8], regs->gpr[9], regs->gpr[10], regs->gpr[11]);
- printk("GPR12: %08lx GPR13: %08lx GPR14: %08lx GPR15: %08lx\n",
- regs->gpr[12], regs->gpr[13], regs->gpr[14], regs->gpr[15]);
- printk("GPR16: %08lx GPR17: %08lx GPR18: %08lx GPR19: %08lx\n",
- regs->gpr[16], regs->gpr[17], regs->gpr[18], regs->gpr[19]);
- printk("GPR20: %08lx GPR21: %08lx GPR22: %08lx GPR23: %08lx\n",
- regs->gpr[20], regs->gpr[21], regs->gpr[22], regs->gpr[23]);
- printk("GPR24: %08lx GPR25: %08lx GPR26: %08lx GPR27: %08lx\n",
- regs->gpr[24], regs->gpr[25], regs->gpr[26], regs->gpr[27]);
- printk("GPR28: %08lx GPR29: %08lx GPR30: %08lx GPR31: %08lx\n",
- regs->gpr[28], regs->gpr[29], regs->gpr[30], regs->gpr[31]);
- printk(" RES: %08lx oGPR11: %08lx\n",
- regs->gpr[11], regs->orig_gpr11);
-
- printk("Process %s (pid: %d, stackpage=%08lx)\n",
- current->comm, current->pid, (unsigned long)current);
+ pr_info("CPU #: %d\n"
+ " PC: %08lx SR: %08lx SP: %08lx\n",
+ smp_processor_id(), regs->pc, regs->sr, regs->sp);
+ pr_info("GPR00: %08lx GPR01: %08lx GPR02: %08lx GPR03: %08lx\n",
+ 0L, regs->gpr[1], regs->gpr[2], regs->gpr[3]);
+ pr_info("GPR04: %08lx GPR05: %08lx GPR06: %08lx GPR07: %08lx\n",
+ regs->gpr[4], regs->gpr[5], regs->gpr[6], regs->gpr[7]);
+ pr_info("GPR08: %08lx GPR09: %08lx GPR10: %08lx GPR11: %08lx\n",
+ regs->gpr[8], regs->gpr[9], regs->gpr[10], regs->gpr[11]);
+ pr_info("GPR12: %08lx GPR13: %08lx GPR14: %08lx GPR15: %08lx\n",
+ regs->gpr[12], regs->gpr[13], regs->gpr[14], regs->gpr[15]);
+ pr_info("GPR16: %08lx GPR17: %08lx GPR18: %08lx GPR19: %08lx\n",
+ regs->gpr[16], regs->gpr[17], regs->gpr[18], regs->gpr[19]);
+ pr_info("GPR20: %08lx GPR21: %08lx GPR22: %08lx GPR23: %08lx\n",
+ regs->gpr[20], regs->gpr[21], regs->gpr[22], regs->gpr[23]);
+ pr_info("GPR24: %08lx GPR25: %08lx GPR26: %08lx GPR27: %08lx\n",
+ regs->gpr[24], regs->gpr[25], regs->gpr[26], regs->gpr[27]);
+ pr_info("GPR28: %08lx GPR29: %08lx GPR30: %08lx GPR31: %08lx\n",
+ regs->gpr[28], regs->gpr[29], regs->gpr[30], regs->gpr[31]);
+ pr_info(" RES: %08lx oGPR11: %08lx\n",
+ regs->gpr[11], regs->orig_gpr11);
+
+ pr_info("Process %s (pid: %d, stackpage=%08lx)\n",
+ current->comm, current->pid, (unsigned long)current);
/*
* When in-kernel, we also print out the stack and code at the
* time of the fault..
*/
if (in_kernel) {
- printk("\nStack: ");
+ pr_info("\nStack: ");
show_stack(NULL, (unsigned long *)esp, KERN_EMERG);
if (esp < PAGE_OFFSET)
goto bad_stack;
- printk("\n");
+ pr_info("\n");
for (i = -8; i < 24; i += 1) {
unsigned long word;
if (__get_user(word, &((unsigned long *)esp)[i])) {
bad_stack:
- printk(" Bad Stack value.");
+ pr_info(" Bad Stack value.");
break;
}
print_data(esp, word, i);
}
- printk("\nCode: ");
+ pr_info("\nCode: ");
if (regs->pc < PAGE_OFFSET)
goto bad;
@@ -142,14 +142,14 @@ bad_stack:
if (__get_user(word, &((unsigned long *)regs->pc)[i])) {
bad:
- printk(" Bad PC value.");
+ pr_info(" Bad PC value.");
break;
}
print_data(regs->pc, word, i);
}
}
- printk("\n");
+ pr_info("\n");
}
/* This is normally the 'Oops' routine */
@@ -157,10 +157,10 @@ void __noreturn die(const char *str, struct pt_regs *regs, long err)
{
console_verbose();
- printk("\n%s#: %04lx\n", str, err & 0xffff);
+ pr_emerg("\n%s#: %04lx\n", str, err & 0xffff);
show_registers(regs);
#ifdef CONFIG_JUMP_UPON_UNHANDLED_EXCEPTION
- printk("\n\nUNHANDLED_EXCEPTION: entering infinite loop\n");
+ pr_emerg("\n\nUNHANDLED_EXCEPTION: entering infinite loop\n");
/* shut down interrupts */
local_irq_disable();
@@ -173,8 +173,8 @@ void __noreturn die(const char *str, struct pt_regs *regs, long err)
asmlinkage void unhandled_exception(struct pt_regs *regs, int ea, int vector)
{
- printk("Unable to handle exception at EA =0x%x, vector 0x%x",
- ea, vector);
+ pr_emerg("Unable to handle exception at EA =0x%x, vector 0x%x",
+ ea, vector);
die("Oops", regs, 9);
}
@@ -182,7 +182,11 @@ asmlinkage void do_fpe_trap(struct pt_regs *regs, unsigned long address)
{
if (user_mode(regs)) {
int code = FPE_FLTUNK;
- unsigned long fpcsr = regs->fpcsr;
+#ifdef CONFIG_FPU
+ unsigned long fpcsr;
+
+ save_fpu(current);
+ fpcsr = current->thread.fpcsr;
if (fpcsr & SPR_FPCSR_IVF)
code = FPE_FLTINV;
@@ -196,8 +200,9 @@ asmlinkage void do_fpe_trap(struct pt_regs *regs, unsigned long address)
code = FPE_FLTRES;
/* Clear all flags */
- regs->fpcsr &= ~SPR_FPCSR_ALLF;
-
+ current->thread.fpcsr &= ~SPR_FPCSR_ALLF;
+ restore_fpu(current);
+#endif
force_sig_fault(SIGFPE, code, (void __user *)regs->pc);
} else {
pr_emerg("KERNEL: Illegal fpe exception 0x%.8lx\n", regs->pc);
@@ -221,8 +226,7 @@ asmlinkage void do_unaligned_access(struct pt_regs *regs, unsigned long address)
/* Send a SIGBUS */
force_sig_fault(SIGBUS, BUS_ADRALN, (void __user *)address);
} else {
- printk("KERNEL: Unaligned Access 0x%.8lx\n", address);
- show_registers(regs);
+ pr_emerg("KERNEL: Unaligned Access 0x%.8lx\n", address);
die("Die:", regs, address);
}
@@ -234,8 +238,7 @@ asmlinkage void do_bus_fault(struct pt_regs *regs, unsigned long address)
/* Send a SIGBUS */
force_sig_fault(SIGBUS, BUS_ADRERR, (void __user *)address);
} else { /* Kernel mode */
- printk("KERNEL: Bus error (SIGBUS) 0x%.8lx\n", address);
- show_registers(regs);
+ pr_emerg("KERNEL: Bus error (SIGBUS) 0x%.8lx\n", address);
die("Die:", regs, address);
}
}
@@ -429,9 +432,8 @@ asmlinkage void do_illegal_instruction(struct pt_regs *regs,
/* Send a SIGILL */
force_sig_fault(SIGILL, ILL_ILLOPC, (void __user *)address);
} else { /* Kernel mode */
- printk("KERNEL: Illegal instruction (SIGILL) 0x%.8lx\n",
- address);
- show_registers(regs);
+ pr_emerg("KERNEL: Illegal instruction (SIGILL) 0x%.8lx\n",
+ address);
die("Die:", regs, address);
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-11 19:02:25 +0000