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Diffstat (limited to 'arch/sparc64/kernel/traps.c')
-rw-r--r--arch/sparc64/kernel/traps.c69
1 files changed, 56 insertions, 13 deletions
diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c
index c824df13f58..81ccd22e78d 100644
--- a/arch/sparc64/kernel/traps.c
+++ b/arch/sparc64/kernel/traps.c
@@ -38,6 +38,7 @@
#include <asm/timer.h>
#include <asm/head.h>
#include <asm/prom.h>
+#include <asm/memctrl.h>
#include "entry.h"
#include "kstack.h"
@@ -129,6 +130,56 @@ void do_BUG(const char *file, int line)
}
#endif
+static DEFINE_SPINLOCK(dimm_handler_lock);
+static dimm_printer_t dimm_handler;
+
+static int sprintf_dimm(int synd_code, unsigned long paddr, char *buf, int buflen)
+{
+ unsigned long flags;
+ int ret = -ENODEV;
+
+ spin_lock_irqsave(&dimm_handler_lock, flags);
+ if (dimm_handler) {
+ ret = dimm_handler(synd_code, paddr, buf, buflen);
+ } else if (tlb_type == spitfire) {
+ if (prom_getunumber(synd_code, paddr, buf, buflen) == -1)
+ ret = -EINVAL;
+ else
+ ret = 0;
+ } else
+ ret = -ENODEV;
+ spin_unlock_irqrestore(&dimm_handler_lock, flags);
+
+ return ret;
+}
+
+int register_dimm_printer(dimm_printer_t func)
+{
+ unsigned long flags;
+ int ret = 0;
+
+ spin_lock_irqsave(&dimm_handler_lock, flags);
+ if (!dimm_handler)
+ dimm_handler = func;
+ else
+ ret = -EEXIST;
+ spin_unlock_irqrestore(&dimm_handler_lock, flags);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(register_dimm_printer);
+
+void unregister_dimm_printer(dimm_printer_t func)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&dimm_handler_lock, flags);
+ if (dimm_handler == func)
+ dimm_handler = NULL;
+ spin_unlock_irqrestore(&dimm_handler_lock, flags);
+}
+EXPORT_SYMBOL_GPL(unregister_dimm_printer);
+
void spitfire_insn_access_exception(struct pt_regs *regs, unsigned long sfsr, unsigned long sfar)
{
siginfo_t info;
@@ -291,10 +342,7 @@ void sun4v_data_access_exception_tl1(struct pt_regs *regs, unsigned long addr, u
}
#ifdef CONFIG_PCI
-/* This is really pathetic... */
-extern volatile int pci_poke_in_progress;
-extern volatile int pci_poke_cpu;
-extern volatile int pci_poke_faulted;
+#include "pci_impl.h"
#endif
/* When access exceptions happen, we must do this. */
@@ -376,8 +424,7 @@ static void spitfire_log_udb_syndrome(unsigned long afar, unsigned long udbh, un
if (udbl & bit) {
scode = ecc_syndrome_table[udbl & 0xff];
- if (prom_getunumber(scode, afar,
- memmod_str, sizeof(memmod_str)) == -1)
+ if (sprintf_dimm(scode, afar, memmod_str, sizeof(memmod_str)) < 0)
p = syndrome_unknown;
else
p = memmod_str;
@@ -388,8 +435,7 @@ static void spitfire_log_udb_syndrome(unsigned long afar, unsigned long udbh, un
if (udbh & bit) {
scode = ecc_syndrome_table[udbh & 0xff];
- if (prom_getunumber(scode, afar,
- memmod_str, sizeof(memmod_str)) == -1)
+ if (sprintf_dimm(scode, afar, memmod_str, sizeof(memmod_str)) < 0)
p = syndrome_unknown;
else
p = memmod_str;
@@ -1062,8 +1108,6 @@ static const char *cheetah_get_string(unsigned long bit)
return "???";
}
-extern int chmc_getunumber(int, unsigned long, char *, int);
-
static void cheetah_log_errors(struct pt_regs *regs, struct cheetah_err_info *info,
unsigned long afsr, unsigned long afar, int recoverable)
{
@@ -1105,7 +1149,7 @@ static void cheetah_log_errors(struct pt_regs *regs, struct cheetah_err_info *in
syndrome = (afsr & CHAFSR_E_SYNDROME) >> CHAFSR_E_SYNDROME_SHIFT;
syndrome = cheetah_ecc_syntab[syndrome];
- ret = chmc_getunumber(syndrome, afar, unum, sizeof(unum));
+ ret = sprintf_dimm(syndrome, afar, unum, sizeof(unum));
if (ret != -1)
printk("%s" "ERROR(%d): AFAR E-syndrome [%s]\n",
(recoverable ? KERN_WARNING : KERN_CRIT),
@@ -1116,7 +1160,7 @@ static void cheetah_log_errors(struct pt_regs *regs, struct cheetah_err_info *in
syndrome = (afsr & CHAFSR_M_SYNDROME) >> CHAFSR_M_SYNDROME_SHIFT;
syndrome = cheetah_mtag_syntab[syndrome];
- ret = chmc_getunumber(syndrome, afar, unum, sizeof(unum));
+ ret = sprintf_dimm(syndrome, afar, unum, sizeof(unum));
if (ret != -1)
printk("%s" "ERROR(%d): AFAR M-syndrome [%s]\n",
(recoverable ? KERN_WARNING : KERN_CRIT),
@@ -2224,7 +2268,6 @@ void die_if_kernel(char *str, struct pt_regs *regs)
extern int handle_popc(u32 insn, struct pt_regs *regs);
extern int handle_ldf_stq(u32 insn, struct pt_regs *regs);
-extern int vis_emul(struct pt_regs *, unsigned int);
void do_illegal_instruction(struct pt_regs *regs)
{