patch-2.4.20 linux-2.4.20/arch/mips64/sgi-ip27/ip27-berr.c
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- Lines: 94
- Date:
Wed Dec 31 16:00:00 1969
- Orig file:
linux-2.4.19/arch/mips64/sgi-ip27/ip27-berr.c
- Orig date:
Fri Aug 2 17:39:43 2002
diff -urN linux-2.4.19/arch/mips64/sgi-ip27/ip27-berr.c linux-2.4.20/arch/mips64/sgi-ip27/ip27-berr.c
@@ -1,93 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1994, 1995, 1996, 1999, 2000 by Ralf Baechle
- * Copyright (C) 1999, 2000 by Silicon Graphics
- * Copyright (C) 2002 Maciej W. Rozycki
- */
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-
-#include <asm/module.h>
-#include <asm/sn/addrs.h>
-#include <asm/sn/arch.h>
-#include <asm/sn/sn0/hub.h>
-#include <asm/traps.h>
-#include <asm/uaccess.h>
-
-extern void dump_tlb_addr(unsigned long addr);
-extern void dump_tlb_all(void);
-
-static void dump_hub_information(unsigned long errst0, unsigned long errst1)
-{
- static char *err_type[2][8] = {
- { NULL, "Uncached Partial Read PRERR", "DERR", "Read Timeout",
- NULL, NULL, NULL, NULL },
- { "WERR", "Uncached Partial Write", "PWERR", "Write Timeout",
- NULL, NULL, NULL, NULL }
- };
- int wrb = errst1 & PI_ERR_ST1_WRBRRB_MASK;
-
- if (!(errst0 & PI_ERR_ST0_VALID_MASK)) {
- printk("Hub does not contain valid error information\n");
- return;
- }
-
-
- printk("Hub has valid error information:\n");
- if (errst0 & PI_ERR_ST0_OVERRUN_MASK)
- printk("Overrun is set. Error stack may contain additional "
- "information.\n");
- printk("Hub error address is %08lx\n",
- (errst0 & PI_ERR_ST0_ADDR_MASK) >> (PI_ERR_ST0_ADDR_SHFT - 3));
- printk("Incoming message command 0x%lx\n",
- (errst0 & PI_ERR_ST0_CMD_MASK) >> PI_ERR_ST0_CMD_SHFT);
- printk("Supplemental field of incoming message is 0x%lx\n",
- (errst0 & PI_ERR_ST0_SUPPL_MASK) >> PI_ERR_ST0_SUPPL_SHFT);
- printk("T5 Rn (for RRB only) is 0x%lx\n",
- (errst0 & PI_ERR_ST0_REQNUM_MASK) >> PI_ERR_ST0_REQNUM_SHFT);
- printk("Error type is %s\n", err_type[wrb]
- [(errst0 & PI_ERR_ST0_TYPE_MASK) >> PI_ERR_ST0_TYPE_SHFT]
- ? : "invalid");
-}
-
-int be_ip27_handler(struct pt_regs *regs, int is_fixup)
-{
- unsigned long errst0, errst1;
- int data = regs->cp0_cause & 4;
- int cpu = LOCAL_HUB_L(PI_CPU_NUM);
-
- if (is_fixup)
- return MIPS_BE_FIXUP;
-
- printk("Slice %c got %cbe at 0x%lx\n", 'A' + cpu, data ? 'd' : 'i',
- regs->cp0_epc);
- printk("Hub information:\n");
- printk("ERR_INT_PEND = 0x%06lx\n", LOCAL_HUB_L(PI_ERR_INT_PEND));
- errst0 = LOCAL_HUB_L(cpu ? PI_ERR_STATUS0_B : PI_ERR_STATUS0_A);
- errst1 = LOCAL_HUB_L(cpu ? PI_ERR_STATUS1_B : PI_ERR_STATUS1_A);
- dump_hub_information(errst0, errst1);
- show_regs(regs);
- dump_tlb_all();
- while(1);
- force_sig(SIGBUS, current);
-}
-
-void __init bus_error_init(void)
-{
- /* XXX Initialize all the Hub & Bridge error handling here. */
- int cpu = LOCAL_HUB_L(PI_CPU_NUM);
- int cpuoff = cpu << 8;
-
- be_board_handler = be_ip27_handler;
-
- LOCAL_HUB_S(PI_ERR_INT_PEND,
- cpu ? PI_ERR_CLEAR_ALL_B : PI_ERR_CLEAR_ALL_A);
- LOCAL_HUB_S(PI_ERR_INT_MASK_A + cpuoff, 0);
- LOCAL_HUB_S(PI_ERR_STACK_ADDR_A + cpuoff, 0);
- LOCAL_HUB_S(PI_ERR_STACK_SIZE, 0); /* Disable error stack */
- LOCAL_HUB_S(PI_SYSAD_ERRCHK_EN, PI_SYSAD_CHECK_ALL);
-}
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TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)