-/* $Id: traps.c,v 1.61 1999/07/30 09:35:32 davem Exp $
+/* $Id: traps.c,v 1.62 1999/08/31 19:25:35 davem Exp $
* arch/sparc64/kernel/traps.c
*
* Copyright (C) 1995,1997 David S. Miller (davem@caip.rutgers.edu)
unlock_kernel();
}
+static char ecc_syndrome_table[] = {
+ 0x4c, 0x40, 0x41, 0x48, 0x42, 0x48, 0x48, 0x49,
+ 0x43, 0x48, 0x48, 0x49, 0x48, 0x49, 0x49, 0x4a,
+ 0x44, 0x48, 0x48, 0x20, 0x48, 0x39, 0x4b, 0x48,
+ 0x48, 0x25, 0x31, 0x48, 0x28, 0x48, 0x48, 0x2c,
+ 0x45, 0x48, 0x48, 0x21, 0x48, 0x3d, 0x04, 0x48,
+ 0x48, 0x4b, 0x35, 0x48, 0x2d, 0x48, 0x48, 0x29,
+ 0x48, 0x00, 0x01, 0x48, 0x0a, 0x48, 0x48, 0x4b,
+ 0x0f, 0x48, 0x48, 0x4b, 0x48, 0x49, 0x49, 0x48,
+ 0x46, 0x48, 0x48, 0x2a, 0x48, 0x3b, 0x27, 0x48,
+ 0x48, 0x4b, 0x33, 0x48, 0x22, 0x48, 0x48, 0x2e,
+ 0x48, 0x19, 0x1d, 0x48, 0x1b, 0x4a, 0x48, 0x4b,
+ 0x1f, 0x48, 0x4a, 0x4b, 0x48, 0x4b, 0x4b, 0x48,
+ 0x48, 0x4b, 0x24, 0x48, 0x07, 0x48, 0x48, 0x36,
+ 0x4b, 0x48, 0x48, 0x3e, 0x48, 0x30, 0x38, 0x48,
+ 0x49, 0x48, 0x48, 0x4b, 0x48, 0x4b, 0x16, 0x48,
+ 0x48, 0x12, 0x4b, 0x48, 0x49, 0x48, 0x48, 0x4b,
+ 0x47, 0x48, 0x48, 0x2f, 0x48, 0x3f, 0x4b, 0x48,
+ 0x48, 0x06, 0x37, 0x48, 0x23, 0x48, 0x48, 0x2b,
+ 0x48, 0x05, 0x4b, 0x48, 0x4b, 0x48, 0x48, 0x32,
+ 0x26, 0x48, 0x48, 0x3a, 0x48, 0x34, 0x3c, 0x48,
+ 0x48, 0x11, 0x15, 0x48, 0x13, 0x4a, 0x48, 0x4b,
+ 0x17, 0x48, 0x4a, 0x4b, 0x48, 0x4b, 0x4b, 0x48,
+ 0x49, 0x48, 0x48, 0x4b, 0x48, 0x4b, 0x1e, 0x48,
+ 0x48, 0x1a, 0x4b, 0x48, 0x49, 0x48, 0x48, 0x4b,
+ 0x48, 0x08, 0x0d, 0x48, 0x02, 0x48, 0x48, 0x49,
+ 0x03, 0x48, 0x48, 0x49, 0x48, 0x4b, 0x4b, 0x48,
+ 0x49, 0x48, 0x48, 0x49, 0x48, 0x4b, 0x10, 0x48,
+ 0x48, 0x14, 0x4b, 0x48, 0x4b, 0x48, 0x48, 0x4b,
+ 0x49, 0x48, 0x48, 0x49, 0x48, 0x4b, 0x18, 0x48,
+ 0x48, 0x1c, 0x4b, 0x48, 0x4b, 0x48, 0x48, 0x4b,
+ 0x4a, 0x0c, 0x09, 0x48, 0x0e, 0x48, 0x48, 0x4b,
+ 0x0b, 0x48, 0x48, 0x4b, 0x48, 0x4b, 0x4b, 0x4a
+};
+
+/* cee_trap in entry.S encodes AFSR/UDBH/UDBL error status
+ * in the following format. The AFAR is left as is, with
+ * reserved bits cleared, and is a raw 40-bit physical
+ * address.
+ */
+#define CE_STATUS_UDBH_UE (1UL << (43 + 9))
+#define CE_STATUS_UDBH_CE (1UL << (43 + 8))
+#define CE_STATUS_UDBH_ESYNDR (0xffUL << 43)
+#define CE_STATUS_UDBH_SHIFT 43
+#define CE_STATUS_UDBL_UE (1UL << (33 + 9))
+#define CE_STATUS_UDBL_CE (1UL << (33 + 8))
+#define CE_STATUS_UDBL_ESYNDR (0xffUL << 33)
+#define CE_STATUS_UDBL_SHIFT 33
+#define CE_STATUS_AFSR_MASK (0x1ffffffffUL)
+#define CE_STATUS_AFSR_ME (1UL << 32)
+#define CE_STATUS_AFSR_PRIV (1UL << 31)
+#define CE_STATUS_AFSR_ISAP (1UL << 30)
+#define CE_STATUS_AFSR_ETP (1UL << 29)
+#define CE_STATUS_AFSR_IVUE (1UL << 28)
+#define CE_STATUS_AFSR_TO (1UL << 27)
+#define CE_STATUS_AFSR_BERR (1UL << 26)
+#define CE_STATUS_AFSR_LDP (1UL << 25)
+#define CE_STATUS_AFSR_CP (1UL << 24)
+#define CE_STATUS_AFSR_WP (1UL << 23)
+#define CE_STATUS_AFSR_EDP (1UL << 22)
+#define CE_STATUS_AFSR_UE (1UL << 21)
+#define CE_STATUS_AFSR_CE (1UL << 20)
+#define CE_STATUS_AFSR_ETS (0xfUL << 16)
+#define CE_STATUS_AFSR_ETS_SHIFT 16
+#define CE_STATUS_AFSR_PSYND (0xffffUL << 0)
+#define CE_STATUS_AFSR_PSYND_SHIFT 0
+
+/* Layout of Ecache TAG Parity Syndrome of AFSR */
+#define AFSR_ETSYNDROME_7_0 0x1UL /* E$-tag bus bits <7:0> */
+#define AFSR_ETSYNDROME_15_8 0x2UL /* E$-tag bus bits <15:8> */
+#define AFSR_ETSYNDROME_21_16 0x4UL /* E$-tag bus bits <21:16> */
+#define AFSR_ETSYNDROME_24_22 0x8UL /* E$-tag bus bits <24:22> */
+
+static char *syndrome_unknown = "<Unknown>";
+
+asmlinkage void cee_log(unsigned long ce_status,
+ unsigned long afar,
+ struct pt_regs *regs)
+{
+ char memmod_str[64];
+ char *p;
+ unsigned short scode, udb_reg;
+
+ printk(KERN_WARNING "CPU[%d]: Correctable ECC Error "
+ "AFSR[%lx] AFAR[%016lx] UDBL[%lx] UDBH[%lx]\n",
+ smp_processor_id(),
+ (ce_status & CE_STATUS_AFSR_MASK),
+ afar,
+ ((ce_status >> CE_STATUS_UDBL_SHIFT) & 0x3ffUL),
+ ((ce_status >> CE_STATUS_UDBH_SHIFT) & 0x3ffUL));
+
+ udb_reg = ((ce_status >> CE_STATUS_UDBL_SHIFT) & 0x3ffUL);
+ if (udb_reg & (1 << 8)) {
+ scode = ecc_syndrome_table[udb_reg & 0xff];
+ if (prom_getunumber(scode, afar,
+ memmod_str, sizeof(memmod_str)) == -1)
+ p = syndrome_unknown;
+ else
+ p = memmod_str;
+ printk(KERN_WARNING "CPU[%d]: UDBL Syndrome[%x] "
+ "Memory Module \"%s\"\n",
+ smp_processor_id(), scode, p);
+ }
+
+ udb_reg = ((ce_status >> CE_STATUS_UDBH_SHIFT) & 0x3ffUL);
+ if (udb_reg & (1 << 8)) {
+ scode = ecc_syndrome_table[udb_reg & 0xff];
+ if (prom_getunumber(scode, afar,
+ memmod_str, sizeof(memmod_str)) == -1)
+ p = syndrome_unknown;
+ else
+ p = memmod_str;
+ printk(KERN_WARNING "CPU[%d]: UDBH Syndrome[%x] "
+ "Memory Module \"%s\"\n",
+ smp_processor_id(), scode, p);
+ }
+}
+
void do_fpe_common(struct pt_regs *regs)
{
if(regs->tstate & TSTATE_PRIV) {
