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Diffstat (limited to 'ANDROID_3.4.5/arch/alpha/kernel/err_ev6.c')
-rw-r--r--ANDROID_3.4.5/arch/alpha/kernel/err_ev6.c276
1 files changed, 0 insertions, 276 deletions
diff --git a/ANDROID_3.4.5/arch/alpha/kernel/err_ev6.c b/ANDROID_3.4.5/arch/alpha/kernel/err_ev6.c
deleted file mode 100644
index 253cf1a8..00000000
--- a/ANDROID_3.4.5/arch/alpha/kernel/err_ev6.c
+++ /dev/null
@@ -1,276 +0,0 @@
-/*
- * linux/arch/alpha/kernel/err_ev6.c
- *
- * Copyright (C) 2000 Jeff Wiedemeier (Compaq Computer Corporation)
- *
- * Error handling code supporting Alpha systems
- */
-
-#include <linux/init.h>
-#include <linux/sched.h>
-
-#include <asm/io.h>
-#include <asm/irq_regs.h>
-#include <asm/hwrpb.h>
-#include <asm/smp.h>
-#include <asm/err_common.h>
-#include <asm/err_ev6.h>
-
-#include "err_impl.h"
-#include "proto.h"
-
-static int
-ev6_parse_ibox(u64 i_stat, int print)
-{
- int status = MCHK_DISPOSITION_REPORT;
-
-#define EV6__I_STAT__PAR (1UL << 29)
-#define EV6__I_STAT__ERRMASK (EV6__I_STAT__PAR)
-
- if (!(i_stat & EV6__I_STAT__ERRMASK))
- return MCHK_DISPOSITION_UNKNOWN_ERROR;
-
- if (!print)
- return status;
-
- if (i_stat & EV6__I_STAT__PAR)
- printk("%s Icache parity error\n", err_print_prefix);
-
- return status;
-}
-
-static int
-ev6_parse_mbox(u64 mm_stat, u64 d_stat, u64 c_stat, int print)
-{
- int status = MCHK_DISPOSITION_REPORT;
-
-#define EV6__MM_STAT__DC_TAG_PERR (1UL << 10)
-#define EV6__MM_STAT__ERRMASK (EV6__MM_STAT__DC_TAG_PERR)
-#define EV6__D_STAT__TPERR_P0 (1UL << 0)
-#define EV6__D_STAT__TPERR_P1 (1UL << 1)
-#define EV6__D_STAT__ECC_ERR_ST (1UL << 2)
-#define EV6__D_STAT__ECC_ERR_LD (1UL << 3)
-#define EV6__D_STAT__SEO (1UL << 4)
-#define EV6__D_STAT__ERRMASK (EV6__D_STAT__TPERR_P0 | \
- EV6__D_STAT__TPERR_P1 | \
- EV6__D_STAT__ECC_ERR_ST | \
- EV6__D_STAT__ECC_ERR_LD | \
- EV6__D_STAT__SEO)
-
- if (!(d_stat & EV6__D_STAT__ERRMASK) &&
- !(mm_stat & EV6__MM_STAT__ERRMASK))
- return MCHK_DISPOSITION_UNKNOWN_ERROR;
-
- if (!print)
- return status;
-
- if (mm_stat & EV6__MM_STAT__DC_TAG_PERR)
- printk("%s Dcache tag parity error on probe\n",
- err_print_prefix);
- if (d_stat & EV6__D_STAT__TPERR_P0)
- printk("%s Dcache tag parity error - pipe 0\n",
- err_print_prefix);
- if (d_stat & EV6__D_STAT__TPERR_P1)
- printk("%s Dcache tag parity error - pipe 1\n",
- err_print_prefix);
- if (d_stat & EV6__D_STAT__ECC_ERR_ST)
- printk("%s ECC error occurred on a store\n",
- err_print_prefix);
- if (d_stat & EV6__D_STAT__ECC_ERR_LD)
- printk("%s ECC error occurred on a %s load\n",
- err_print_prefix,
- c_stat ? "" : "speculative ");
- if (d_stat & EV6__D_STAT__SEO)
- printk("%s Dcache second error\n", err_print_prefix);
-
- return status;
-}
-
-static int
-ev6_parse_cbox(u64 c_addr, u64 c1_syn, u64 c2_syn,
- u64 c_stat, u64 c_sts, int print)
-{
- static const char * const sourcename[] = {
- "UNKNOWN", "UNKNOWN", "UNKNOWN",
- "MEMORY", "BCACHE", "DCACHE",
- "BCACHE PROBE", "BCACHE PROBE"
- };
- static const char * const streamname[] = { "D", "I" };
- static const char * const bitsname[] = { "SINGLE", "DOUBLE" };
- int status = MCHK_DISPOSITION_REPORT;
- int source = -1, stream = -1, bits = -1;
-
-#define EV6__C_STAT__BC_PERR (0x01)
-#define EV6__C_STAT__DC_PERR (0x02)
-#define EV6__C_STAT__DSTREAM_MEM_ERR (0x03)
-#define EV6__C_STAT__DSTREAM_BC_ERR (0x04)
-#define EV6__C_STAT__DSTREAM_DC_ERR (0x05)
-#define EV6__C_STAT__PROBE_BC_ERR0 (0x06) /* both 6 and 7 indicate... */
-#define EV6__C_STAT__PROBE_BC_ERR1 (0x07) /* ...probe bc error. */
-#define EV6__C_STAT__ISTREAM_MEM_ERR (0x0B)
-#define EV6__C_STAT__ISTREAM_BC_ERR (0x0C)
-#define EV6__C_STAT__DSTREAM_MEM_DBL (0x13)
-#define EV6__C_STAT__DSTREAM_BC_DBL (0x14)
-#define EV6__C_STAT__ISTREAM_MEM_DBL (0x1B)
-#define EV6__C_STAT__ISTREAM_BC_DBL (0x1C)
-#define EV6__C_STAT__SOURCE_MEMORY (0x03)
-#define EV6__C_STAT__SOURCE_BCACHE (0x04)
-#define EV6__C_STAT__SOURCE__S (0)
-#define EV6__C_STAT__SOURCE__M (0x07)
-#define EV6__C_STAT__ISTREAM__S (3)
-#define EV6__C_STAT__ISTREAM__M (0x01)
-#define EV6__C_STAT__DOUBLE__S (4)
-#define EV6__C_STAT__DOUBLE__M (0x01)
-#define EV6__C_STAT__ERRMASK (0x1F)
-#define EV6__C_STS__SHARED (1 << 0)
-#define EV6__C_STS__DIRTY (1 << 1)
-#define EV6__C_STS__VALID (1 << 2)
-#define EV6__C_STS__PARITY (1 << 3)
-
- if (!(c_stat & EV6__C_STAT__ERRMASK))
- return MCHK_DISPOSITION_UNKNOWN_ERROR;
-
- if (!print)
- return status;
-
- source = EXTRACT(c_stat, EV6__C_STAT__SOURCE);
- stream = EXTRACT(c_stat, EV6__C_STAT__ISTREAM);
- bits = EXTRACT(c_stat, EV6__C_STAT__DOUBLE);
-
- if (c_stat & EV6__C_STAT__BC_PERR) {
- printk("%s Bcache tag parity error\n", err_print_prefix);
- source = -1;
- }
-
- if (c_stat & EV6__C_STAT__DC_PERR) {
- printk("%s Dcache tag parity error\n", err_print_prefix);
- source = -1;
- }
-
- if (c_stat == EV6__C_STAT__PROBE_BC_ERR0 ||
- c_stat == EV6__C_STAT__PROBE_BC_ERR1) {
- printk("%s Bcache single-bit error on a probe hit\n",
- err_print_prefix);
- source = -1;
- }
-
- if (source != -1)
- printk("%s %s-STREAM %s-BIT ECC error from %s\n",
- err_print_prefix,
- streamname[stream], bitsname[bits], sourcename[source]);
-
- printk("%s Address: 0x%016llx\n"
- " Syndrome[upper.lower]: %02llx.%02llx\n",
- err_print_prefix,
- c_addr,
- c2_syn, c1_syn);
-
- if (source == EV6__C_STAT__SOURCE_MEMORY ||
- source == EV6__C_STAT__SOURCE_BCACHE)
- printk("%s Block status: %s%s%s%s\n",
- err_print_prefix,
- (c_sts & EV6__C_STS__SHARED) ? "SHARED " : "",
- (c_sts & EV6__C_STS__DIRTY) ? "DIRTY " : "",
- (c_sts & EV6__C_STS__VALID) ? "VALID " : "",
- (c_sts & EV6__C_STS__PARITY) ? "PARITY " : "");
-
- return status;
-}
-
-void
-ev6_register_error_handlers(void)
-{
- /* None right now. */
-}
-
-int
-ev6_process_logout_frame(struct el_common *mchk_header, int print)
-{
- struct el_common_EV6_mcheck *ev6mchk =
- (struct el_common_EV6_mcheck *)mchk_header;
- int status = MCHK_DISPOSITION_UNKNOWN_ERROR;
-
- status |= ev6_parse_ibox(ev6mchk->I_STAT, print);
- status |= ev6_parse_mbox(ev6mchk->MM_STAT, ev6mchk->DC_STAT,
- ev6mchk->C_STAT, print);
- status |= ev6_parse_cbox(ev6mchk->C_ADDR, ev6mchk->DC1_SYNDROME,
- ev6mchk->DC0_SYNDROME, ev6mchk->C_STAT,
- ev6mchk->C_STS, print);
-
- if (!print)
- return status;
-
- if (status != MCHK_DISPOSITION_DISMISS) {
- char *saved_err_prefix = err_print_prefix;
-
- /*
- * Dump some additional information from the frame
- */
- printk("%s EXC_ADDR: 0x%016lx IER_CM: 0x%016lx"
- " ISUM: 0x%016lx\n"
- " PAL_BASE: 0x%016lx I_CTL: 0x%016lx"
- " PCTX: 0x%016lx\n",
- err_print_prefix,
- ev6mchk->EXC_ADDR, ev6mchk->IER_CM, ev6mchk->ISUM,
- ev6mchk->PAL_BASE, ev6mchk->I_CTL, ev6mchk->PCTX);
-
- if (status == MCHK_DISPOSITION_UNKNOWN_ERROR) {
- printk("%s UNKNOWN error, frame follows:\n",
- err_print_prefix);
- } else {
- /* had decode -- downgrade print level for frame */
- err_print_prefix = KERN_NOTICE;
- }
-
- mchk_dump_logout_frame(mchk_header);
-
- err_print_prefix = saved_err_prefix;
- }
-
- return status;
-}
-
-void
-ev6_machine_check(unsigned long vector, unsigned long la_ptr)
-{
- struct el_common *mchk_header = (struct el_common *)la_ptr;
-
- /*
- * Sync the processor
- */
- mb();
- draina();
-
- /*
- * Parse the logout frame without printing first. If the only error(s)
- * found are have a disposition of "dismiss", then just dismiss them
- * and don't print any message
- */
- if (ev6_process_logout_frame(mchk_header, 0) !=
- MCHK_DISPOSITION_DISMISS) {
- char *saved_err_prefix = err_print_prefix;
- err_print_prefix = KERN_CRIT;
-
- /*
- * Either a nondismissable error was detected or no
- * recognized error was detected in the logout frame
- * -- report the error in either case
- */
- printk("%s*CPU %s Error (Vector 0x%x) reported on CPU %d:\n",
- err_print_prefix,
- (vector == SCB_Q_PROCERR)?"Correctable":"Uncorrectable",
- (unsigned int)vector, (int)smp_processor_id());
-
- ev6_process_logout_frame(mchk_header, 1);
- dik_show_regs(get_irq_regs(), NULL);
-
- err_print_prefix = saved_err_prefix;
- }
-
- /*
- * Release the logout frame
- */
- wrmces(0x7);
- mb();
-}
-
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