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-rw-r--r--arch/blackfin/mach-common/cplbhdlr.S130
1 files changed, 0 insertions, 130 deletions
diff --git a/arch/blackfin/mach-common/cplbhdlr.S b/arch/blackfin/mach-common/cplbhdlr.S
deleted file mode 100644
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--- a/arch/blackfin/mach-common/cplbhdlr.S
+++ /dev/null
@@ -1,130 +0,0 @@
-/*
- * File: arch/blackfin/mach-common/cplbhdlr.S
- * Based on:
- * Author: LG Soft India
- *
- * Created: ?
- * Description: CPLB exception handler
- *
- * Modified:
- * Copyright 2004-2006 Analog Devices Inc.
- *
- * Bugs: Enter bugs at http://blackfin.uclinux.org/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <linux/linkage.h>
-#include <asm/cplb.h>
-#include <asm/entry.h>
-
-#ifdef CONFIG_EXCPT_IRQ_SYSC_L1
-.section .l1.text
-#else
-.text
-#endif
-
-.type _cplb_mgr, STT_FUNC;
-.type _panic_cplb_error, STT_FUNC;
-
-.align 2
-
-ENTRY(__cplb_hdr)
- R2 = SEQSTAT;
-
- /* Mask the contents of SEQSTAT and leave only EXCAUSE in R2 */
- R2 <<= 26;
- R2 >>= 26;
-
- R1 = 0x23; /* Data access CPLB protection violation */
- CC = R2 == R1;
- IF !CC JUMP .Lnot_data_write;
- R0 = 2; /* is a write to data space*/
- JUMP .Lis_icplb_miss;
-
-.Lnot_data_write:
- R1 = 0x2C; /* CPLB miss on an instruction fetch */
- CC = R2 == R1;
- R0 = 0; /* is_data_miss == False*/
- IF CC JUMP .Lis_icplb_miss;
-
- R1 = 0x26;
- CC = R2 == R1;
- IF !CC JUMP .Lunknown;
-
- R0 = 1; /* is_data_miss == True*/
-
-.Lis_icplb_miss:
-
-#if defined(CONFIG_BFIN_ICACHE) || defined(CONFIG_BFIN_DCACHE)
-# if defined(CONFIG_BFIN_ICACHE) && !defined(CONFIG_BFIN_DCACHE)
- R1 = CPLB_ENABLE_ICACHE;
-# endif
-# if !defined(CONFIG_BFIN_ICACHE) && defined(CONFIG_BFIN_DCACHE)
- R1 = CPLB_ENABLE_DCACHE;
-# endif
-# if defined(CONFIG_BFIN_ICACHE) && defined(CONFIG_BFIN_DCACHE)
- R1 = CPLB_ENABLE_DCACHE | CPLB_ENABLE_ICACHE;
-# endif
-#else
- R1 = 0;
-#endif
-
- [--SP] = RETS;
- CALL _cplb_mgr;
- RETS = [SP++];
- CC = R0 == 0;
- IF !CC JUMP .Lnot_replaced;
- RTS;
-
-/*
- * Diagnostic exception handlers
- */
-.Lunknown:
- R0 = CPLB_UNKNOWN_ERR;
- JUMP .Lcplb_error;
-
-.Lnot_replaced:
- CC = R0 == CPLB_NO_UNLOCKED;
- IF !CC JUMP .Lnext_check;
- R0 = CPLB_NO_UNLOCKED;
- JUMP .Lcplb_error;
-
-.Lnext_check:
- CC = R0 == CPLB_NO_ADDR_MATCH;
- IF !CC JUMP .Lnext_check2;
- R0 = CPLB_NO_ADDR_MATCH;
- JUMP .Lcplb_error;
-
-.Lnext_check2:
- CC = R0 == CPLB_PROT_VIOL;
- IF !CC JUMP .Lstrange_return_from_cplb_mgr;
- R0 = CPLB_PROT_VIOL;
- JUMP .Lcplb_error;
-
-.Lstrange_return_from_cplb_mgr:
- IDLE;
- CSYNC;
- JUMP .Lstrange_return_from_cplb_mgr;
-
-.Lcplb_error:
- R1 = sp;
- SP += -12;
- call _panic_cplb_error;
- SP += 12;
- JUMP _handle_bad_cplb;
-
-ENDPROC(__cplb_hdr)