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#include <string.h>
#include <stdio.h>
#include <assert.h>
#include "mcelog.h"
#include "core2.h"
/* Decode P6 family (Core2) model specific errors.
The generic errors are decoded in p4.c */
/* [19..24] */
static char *bus_queue_req_type[] = {
[0] = "BQ_DCU_READ_TYPE",
[2] = "BQ_IFU_DEMAND_TYPE",
[3] = "BQ_IFU_DEMAND_NC_TYPE",
[4] = "BQ_DCU_RFO_TYPE",
[5] = "BQ_DCU_RFO_LOCK_TYPE",
[6] = "BQ_DCU_ITOM_TYPE",
[8] = "BQ_DCU_WB_TYPE",
[10] = "BC_DCU_WCEVICT_TYPE",
[11] = "BQ_DCU_WCLINE_TYPE",
[12] = "BQ_DCU_BTM_TYPE",
[13] = "BQ_DCU_INTACK_TYPE",
[14] = "BQ_DCU_INVALL2_TYPE",
[15] = "BQ_DCU_FLUSHL2_TYPE",
[16] = "BQ_DCU_PART_RD_TYPE",
[18] = "BQ_DCU_PART_WR_TYPE",
[20] = "BQ_DCU_SPEC_CYC_TYPE",
[24] = "BQ_DCU_IO_RD_TYPE",
[25] = "BQ_DCU_IO_WR_TYPE",
[28] = "BQ_DCU_LOCK_RD_TYPE",
[30] = "BQ_DCU_SPLOCK_RD_TYPE",
[29] = "BQ_DCU_LOCK_WR_TYPE",
};
/* [25..27] */
static char *bus_queue_error_type[] = {
[0] = "BQ_ERR_HARD_TYPE",
[1] = "BQ_ERR_DOUBLE_TYPE",
[2] = "BQ_ERR_AERR2_TYPE",
[4] = "BQ_ERR_SINGLE_TYPE",
[5] = "BQ_ERR_AERR1_TYPE",
};
static char *reserved_3bits[8];
static char *reserved_1bit[2];
static char *reserved_2bits[4];
#define SINGLEBIT(n,d) static char *n[2] = { [1] = d };
SINGLEBIT(frc, "FRC error");
SINGLEBIT(berr, "BERR");
SINGLEBIT(int_binit, "internal BINIT");
SINGLEBIT(ext_binit, "external BINIT");
SINGLEBIT(response_parity, "response parity error");
SINGLEBIT(bus_binit, "bus BINIT");
SINGLEBIT(timeout_binit, "timeout BINIT (ROB timeout)");
SINGLEBIT(hard_err, "hard error");
SINGLEBIT(ierr, "IERR");
SINGLEBIT(aerr, "parity error");
SINGLEBIT(uecc, "uncorrectable ECC");
SINGLEBIT(cecc, "correctable ECC");
struct field {
int start_bit;
char **str;
int stringlen;
};
#define FIELD(start_bit, name) { start_bit, name, NELE(name) }
struct field fields[] = {
FIELD(16, reserved_3bits),
FIELD(19, bus_queue_req_type),
FIELD(25, bus_queue_error_type),
FIELD(25, bus_queue_error_type),
FIELD(28, frc),
FIELD(29, berr),
FIELD(30, int_binit),
FIELD(31, reserved_1bit),
FIELD(32, reserved_3bits),
FIELD(35, ext_binit),
FIELD(36, response_parity),
FIELD(37, bus_binit),
FIELD(38, timeout_binit),
FIELD(39, reserved_3bits),
FIELD(42, hard_err),
FIELD(43, ierr),
FIELD(44, aerr),
FIELD(45, uecc),
FIELD(46, cecc),
/* [47..54]: ECC syndrome */
FIELD(55, reserved_2bits),
{},
};
static u64 bitmask(u64 i)
{
u64 mask = 1;
while (mask < i)
mask = (mask << 1) | 1;
return mask;
}
void core2_decode_model(u64 status)
{
struct field *f;
int linelen = 0;
char *delim = "";
for (f = &fields[0]; f->str; f++) {
u64 v = (status >> f->start_bit) & bitmask(f->stringlen - 1);
char *s = NULL;
if (v < f->stringlen)
s = f->str[v];
if (!s) {
if (v == 0)
continue;
char buf[60];
s = buf;
snprintf(buf, sizeof buf, "<%u:%Lx>", f->start_bit, v);
}
int len = strlen(s);
if (linelen + len > 75) {
delim = "\n";
linelen = 0;
}
Wprintf("%s%s", delim, s);
delim = " ";
linelen += len + 1;
}
if (linelen > 0)
Wprintf("\n");
if ((status >> 47) & 0xff)
Wprintf("ECC syndrome: %Lx\n", (status >> 47) & 0xff);
}
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