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-rw-r--r--target-xtensa/core-dc232b/core-isa.h423
-rw-r--r--target-xtensa/core-dc232b/gdb-config.c261
2 files changed, 684 insertions, 0 deletions
diff --git a/target-xtensa/core-dc232b/core-isa.h b/target-xtensa/core-dc232b/core-isa.h
new file mode 100644
index 0000000000..69f1065574
--- /dev/null
+++ b/target-xtensa/core-dc232b/core-isa.h
@@ -0,0 +1,423 @@
+/*
+ * Xtensa processor core configuration information.
+ *
+ * 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) 1999-2007 Tensilica Inc.
+ */
+
+#ifndef _XTENSA_CORE_CONFIGURATION_H
+#define _XTENSA_CORE_CONFIGURATION_H
+
+
+/****************************************************************************
+ Parameters Useful for Any Code, USER or PRIVILEGED
+ ****************************************************************************/
+
+/*
+ * Note: Macros of the form XCHAL_HAVE_*** have a value of 1 if the option is
+ * configured, and a value of 0 otherwise. These macros are always defined.
+ */
+
+
+/*----------------------------------------------------------------------
+ ISA
+ ----------------------------------------------------------------------*/
+
+#define XCHAL_HAVE_BE 0 /* big-endian byte ordering */
+#define XCHAL_HAVE_WINDOWED 1 /* windowed registers option */
+#define XCHAL_NUM_AREGS 32 /* num of physical addr regs */
+#define XCHAL_NUM_AREGS_LOG2 5 /* log2(XCHAL_NUM_AREGS) */
+#define XCHAL_MAX_INSTRUCTION_SIZE 3 /* max instr bytes (3..8) */
+#define XCHAL_HAVE_DEBUG 1 /* debug option */
+#define XCHAL_HAVE_DENSITY 1 /* 16-bit instructions */
+#define XCHAL_HAVE_LOOPS 1 /* zero-overhead loops */
+#define XCHAL_HAVE_NSA 1 /* NSA/NSAU instructions */
+#define XCHAL_HAVE_MINMAX 1 /* MIN/MAX instructions */
+#define XCHAL_HAVE_SEXT 1 /* SEXT instruction */
+#define XCHAL_HAVE_CLAMPS 1 /* CLAMPS instruction */
+#define XCHAL_HAVE_MUL16 1 /* MUL16S/MUL16U instructions */
+#define XCHAL_HAVE_MUL32 1 /* MULL instruction */
+#define XCHAL_HAVE_MUL32_HIGH 0 /* MULUH/MULSH instructions */
+#define XCHAL_HAVE_DIV32 1 /* QUOS/QUOU/REMS/REMU insns */
+#define XCHAL_HAVE_L32R 1 /* L32R instruction */
+#define XCHAL_HAVE_ABSOLUTE_LITERALS 1 /* non-PC-rel (extended) L32R */
+#define XCHAL_HAVE_CONST16 0 /* CONST16 instruction */
+#define XCHAL_HAVE_ADDX 1 /* ADDX#/SUBX# instructions */
+#define XCHAL_HAVE_WIDE_BRANCHES 0 /* B*.W18 or B*.W15 instr's */
+#define XCHAL_HAVE_PREDICTED_BRANCHES 0 /* B[EQ/EQZ/NE/NEZ]T instr's */
+#define XCHAL_HAVE_CALL4AND12 1 /* (obsolete option) */
+#define XCHAL_HAVE_ABS 1 /* ABS instruction */
+/*#define XCHAL_HAVE_POPC 0*/ /* POPC instruction */
+/*#define XCHAL_HAVE_CRC 0*/ /* CRC instruction */
+#define XCHAL_HAVE_RELEASE_SYNC 1 /* L32AI/S32RI instructions */
+#define XCHAL_HAVE_S32C1I 1 /* S32C1I instruction */
+#define XCHAL_HAVE_SPECULATION 0 /* speculation */
+#define XCHAL_HAVE_FULL_RESET 1 /* all regs/state reset */
+#define XCHAL_NUM_CONTEXTS 1 /* */
+#define XCHAL_NUM_MISC_REGS 2 /* num of scratch regs (0..4) */
+#define XCHAL_HAVE_TAP_MASTER 0 /* JTAG TAP control instr's */
+#define XCHAL_HAVE_PRID 1 /* processor ID register */
+#define XCHAL_HAVE_THREADPTR 1 /* THREADPTR register */
+#define XCHAL_HAVE_BOOLEANS 0 /* boolean registers */
+#define XCHAL_HAVE_CP 1 /* CPENABLE reg (coprocessor) */
+#define XCHAL_CP_MAXCFG 8 /* max allowed cp id plus one */
+#define XCHAL_HAVE_MAC16 1 /* MAC16 package */
+#define XCHAL_HAVE_VECTORFPU2005 0 /* vector floating-point pkg */
+#define XCHAL_HAVE_FP 0 /* floating point pkg */
+#define XCHAL_HAVE_VECTRA1 0 /* Vectra I pkg */
+#define XCHAL_HAVE_VECTRALX 0 /* Vectra LX pkg */
+#define XCHAL_HAVE_HIFI2 0 /* HiFi2 Audio Engine pkg */
+
+
+/*----------------------------------------------------------------------
+ MISC
+ ----------------------------------------------------------------------*/
+
+#define XCHAL_NUM_WRITEBUFFER_ENTRIES 8 /* size of write buffer */
+#define XCHAL_INST_FETCH_WIDTH 4 /* instr-fetch width in bytes */
+#define XCHAL_DATA_WIDTH 4 /* data width in bytes */
+/* In T1050, applies to selected core load and store instructions (see ISA): */
+#define XCHAL_UNALIGNED_LOAD_EXCEPTION 1 /* unaligned loads cause exc. */
+#define XCHAL_UNALIGNED_STORE_EXCEPTION 1 /* unaligned stores cause exc.*/
+
+#define XCHAL_SW_VERSION 701001 /* sw version of this header */
+
+#define XCHAL_CORE_ID "dc232b" /* alphanum core name
+ (CoreID) set in the Xtensa
+ Processor Generator */
+
+#define XCHAL_CORE_DESCRIPTION "Diamond 232L Standard Core Rev.B (LE)"
+#define XCHAL_BUILD_UNIQUE_ID 0x0000BEEF /* 22-bit sw build ID */
+
+/*
+ * These definitions describe the hardware targeted by this software.
+ */
+#define XCHAL_HW_CONFIGID0 0xC56307FE /* ConfigID hi 32 bits*/
+#define XCHAL_HW_CONFIGID1 0x0D40BEEF /* ConfigID lo 32 bits*/
+#define XCHAL_HW_VERSION_NAME "LX2.1.1" /* full version name */
+#define XCHAL_HW_VERSION_MAJOR 2210 /* major ver# of targeted hw */
+#define XCHAL_HW_VERSION_MINOR 1 /* minor ver# of targeted hw */
+#define XCHAL_HW_VERSION 221001 /* major*100+minor */
+#define XCHAL_HW_REL_LX2 1
+#define XCHAL_HW_REL_LX2_1 1
+#define XCHAL_HW_REL_LX2_1_1 1
+#define XCHAL_HW_CONFIGID_RELIABLE 1
+/* If software targets a *range* of hardware versions, these are the bounds: */
+#define XCHAL_HW_MIN_VERSION_MAJOR 2210 /* major v of earliest tgt hw */
+#define XCHAL_HW_MIN_VERSION_MINOR 1 /* minor v of earliest tgt hw */
+#define XCHAL_HW_MIN_VERSION 221001 /* earliest targeted hw */
+#define XCHAL_HW_MAX_VERSION_MAJOR 2210 /* major v of latest tgt hw */
+#define XCHAL_HW_MAX_VERSION_MINOR 1 /* minor v of latest tgt hw */
+#define XCHAL_HW_MAX_VERSION 221001 /* latest targeted hw */
+
+
+/*----------------------------------------------------------------------
+ CACHE
+ ----------------------------------------------------------------------*/
+
+#define XCHAL_ICACHE_LINESIZE 32 /* I-cache line size in bytes */
+#define XCHAL_DCACHE_LINESIZE 32 /* D-cache line size in bytes */
+#define XCHAL_ICACHE_LINEWIDTH 5 /* log2(I line size in bytes) */
+#define XCHAL_DCACHE_LINEWIDTH 5 /* log2(D line size in bytes) */
+
+#define XCHAL_ICACHE_SIZE 16384 /* I-cache size in bytes or 0 */
+#define XCHAL_DCACHE_SIZE 16384 /* D-cache size in bytes or 0 */
+
+#define XCHAL_DCACHE_IS_WRITEBACK 1 /* writeback feature */
+
+
+
+
+/****************************************************************************
+ Parameters Useful for PRIVILEGED (Supervisory or Non-Virtualized) Code
+ ****************************************************************************/
+
+
+#ifndef XTENSA_HAL_NON_PRIVILEGED_ONLY
+
+/*----------------------------------------------------------------------
+ CACHE
+ ----------------------------------------------------------------------*/
+
+#define XCHAL_HAVE_PIF 1 /* any outbound PIF present */
+
+/* If present, cache size in bytes == (ways * 2^(linewidth + setwidth)). */
+
+/* Number of cache sets in log2(lines per way): */
+#define XCHAL_ICACHE_SETWIDTH 7
+#define XCHAL_DCACHE_SETWIDTH 7
+
+/* Cache set associativity (number of ways): */
+#define XCHAL_ICACHE_WAYS 4
+#define XCHAL_DCACHE_WAYS 4
+
+/* Cache features: */
+#define XCHAL_ICACHE_LINE_LOCKABLE 1
+#define XCHAL_DCACHE_LINE_LOCKABLE 1
+#define XCHAL_ICACHE_ECC_PARITY 0
+#define XCHAL_DCACHE_ECC_PARITY 0
+
+/* Number of encoded cache attr bits (see <xtensa/hal.h> for decoded bits): */
+#define XCHAL_CA_BITS 4
+
+
+/*----------------------------------------------------------------------
+ INTERNAL I/D RAM/ROMs and XLMI
+ ----------------------------------------------------------------------*/
+
+#define XCHAL_NUM_INSTROM 0 /* number of core instr. ROMs */
+#define XCHAL_NUM_INSTRAM 0 /* number of core instr. RAMs */
+#define XCHAL_NUM_DATAROM 0 /* number of core data ROMs */
+#define XCHAL_NUM_DATARAM 0 /* number of core data RAMs */
+#define XCHAL_NUM_URAM 0 /* number of core unified RAMs*/
+#define XCHAL_NUM_XLMI 0 /* number of core XLMI ports */
+
+
+/*----------------------------------------------------------------------
+ INTERRUPTS and TIMERS
+ ----------------------------------------------------------------------*/
+
+#define XCHAL_HAVE_INTERRUPTS 1 /* interrupt option */
+#define XCHAL_HAVE_HIGHPRI_INTERRUPTS 1 /* med/high-pri. interrupts */
+#define XCHAL_HAVE_NMI 1 /* non-maskable interrupt */
+#define XCHAL_HAVE_CCOUNT 1 /* CCOUNT reg. (timer option) */
+#define XCHAL_NUM_TIMERS 3 /* number of CCOMPAREn regs */
+#define XCHAL_NUM_INTERRUPTS 22 /* number of interrupts */
+#define XCHAL_NUM_INTERRUPTS_LOG2 5 /* ceil(log2(NUM_INTERRUPTS)) */
+#define XCHAL_NUM_EXTINTERRUPTS 17 /* num of external interrupts */
+#define XCHAL_NUM_INTLEVELS 6 /* number of interrupt levels
+ (not including level zero) */
+#define XCHAL_EXCM_LEVEL 3 /* level masked by PS.EXCM */
+ /* (always 1 in XEA1; levels 2 .. EXCM_LEVEL are "medium priority") */
+
+/* Masks of interrupts at each interrupt level: */
+#define XCHAL_INTLEVEL1_MASK 0x001F80FF
+#define XCHAL_INTLEVEL2_MASK 0x00000100
+#define XCHAL_INTLEVEL3_MASK 0x00200E00
+#define XCHAL_INTLEVEL4_MASK 0x00001000
+#define XCHAL_INTLEVEL5_MASK 0x00002000
+#define XCHAL_INTLEVEL6_MASK 0x00000000
+#define XCHAL_INTLEVEL7_MASK 0x00004000
+
+/* Masks of interrupts at each range 1..n of interrupt levels: */
+#define XCHAL_INTLEVEL1_ANDBELOW_MASK 0x001F80FF
+#define XCHAL_INTLEVEL2_ANDBELOW_MASK 0x001F81FF
+#define XCHAL_INTLEVEL3_ANDBELOW_MASK 0x003F8FFF
+#define XCHAL_INTLEVEL4_ANDBELOW_MASK 0x003F9FFF
+#define XCHAL_INTLEVEL5_ANDBELOW_MASK 0x003FBFFF
+#define XCHAL_INTLEVEL6_ANDBELOW_MASK 0x003FBFFF
+#define XCHAL_INTLEVEL7_ANDBELOW_MASK 0x003FFFFF
+
+/* Level of each interrupt: */
+#define XCHAL_INT0_LEVEL 1
+#define XCHAL_INT1_LEVEL 1
+#define XCHAL_INT2_LEVEL 1
+#define XCHAL_INT3_LEVEL 1
+#define XCHAL_INT4_LEVEL 1
+#define XCHAL_INT5_LEVEL 1
+#define XCHAL_INT6_LEVEL 1
+#define XCHAL_INT7_LEVEL 1
+#define XCHAL_INT8_LEVEL 2
+#define XCHAL_INT9_LEVEL 3
+#define XCHAL_INT10_LEVEL 3
+#define XCHAL_INT11_LEVEL 3
+#define XCHAL_INT12_LEVEL 4
+#define XCHAL_INT13_LEVEL 5
+#define XCHAL_INT14_LEVEL 7
+#define XCHAL_INT15_LEVEL 1
+#define XCHAL_INT16_LEVEL 1
+#define XCHAL_INT17_LEVEL 1
+#define XCHAL_INT18_LEVEL 1
+#define XCHAL_INT19_LEVEL 1
+#define XCHAL_INT20_LEVEL 1
+#define XCHAL_INT21_LEVEL 3
+#define XCHAL_DEBUGLEVEL 6 /* debug interrupt level */
+#define XCHAL_HAVE_DEBUG_EXTERN_INT 1 /* OCD external db interrupt */
+#define XCHAL_NMILEVEL 7 /* NMI "level" (for use with
+ EXCSAVE/EPS/EPC_n, RFI n) */
+
+/* Type of each interrupt: */
+#define XCHAL_INT0_TYPE XTHAL_INTTYPE_EXTERN_LEVEL
+#define XCHAL_INT1_TYPE XTHAL_INTTYPE_EXTERN_LEVEL
+#define XCHAL_INT2_TYPE XTHAL_INTTYPE_EXTERN_LEVEL
+#define XCHAL_INT3_TYPE XTHAL_INTTYPE_EXTERN_LEVEL
+#define XCHAL_INT4_TYPE XTHAL_INTTYPE_EXTERN_LEVEL
+#define XCHAL_INT5_TYPE XTHAL_INTTYPE_EXTERN_LEVEL
+#define XCHAL_INT6_TYPE XTHAL_INTTYPE_TIMER
+#define XCHAL_INT7_TYPE XTHAL_INTTYPE_SOFTWARE
+#define XCHAL_INT8_TYPE XTHAL_INTTYPE_EXTERN_LEVEL
+#define XCHAL_INT9_TYPE XTHAL_INTTYPE_EXTERN_LEVEL
+#define XCHAL_INT10_TYPE XTHAL_INTTYPE_TIMER
+#define XCHAL_INT11_TYPE XTHAL_INTTYPE_SOFTWARE
+#define XCHAL_INT12_TYPE XTHAL_INTTYPE_EXTERN_LEVEL
+#define XCHAL_INT13_TYPE XTHAL_INTTYPE_TIMER
+#define XCHAL_INT14_TYPE XTHAL_INTTYPE_NMI
+#define XCHAL_INT15_TYPE XTHAL_INTTYPE_EXTERN_EDGE
+#define XCHAL_INT16_TYPE XTHAL_INTTYPE_EXTERN_EDGE
+#define XCHAL_INT17_TYPE XTHAL_INTTYPE_EXTERN_EDGE
+#define XCHAL_INT18_TYPE XTHAL_INTTYPE_EXTERN_EDGE
+#define XCHAL_INT19_TYPE XTHAL_INTTYPE_EXTERN_EDGE
+#define XCHAL_INT20_TYPE XTHAL_INTTYPE_EXTERN_EDGE
+#define XCHAL_INT21_TYPE XTHAL_INTTYPE_EXTERN_EDGE
+
+/* Masks of interrupts for each type of interrupt: */
+#define XCHAL_INTTYPE_MASK_UNCONFIGURED 0xFFC00000
+#define XCHAL_INTTYPE_MASK_SOFTWARE 0x00000880
+#define XCHAL_INTTYPE_MASK_EXTERN_EDGE 0x003F8000
+#define XCHAL_INTTYPE_MASK_EXTERN_LEVEL 0x0000133F
+#define XCHAL_INTTYPE_MASK_TIMER 0x00002440
+#define XCHAL_INTTYPE_MASK_NMI 0x00004000
+#define XCHAL_INTTYPE_MASK_WRITE_ERROR 0x00000000
+
+/* Interrupt numbers assigned to specific interrupt sources: */
+#define XCHAL_TIMER0_INTERRUPT 6 /* CCOMPARE0 */
+#define XCHAL_TIMER1_INTERRUPT 10 /* CCOMPARE1 */
+#define XCHAL_TIMER2_INTERRUPT 13 /* CCOMPARE2 */
+#define XCHAL_TIMER3_INTERRUPT XTHAL_TIMER_UNCONFIGURED
+#define XCHAL_NMI_INTERRUPT 14 /* non-maskable interrupt */
+
+/* Interrupt numbers for levels at which only one interrupt is configured: */
+#define XCHAL_INTLEVEL2_NUM 8
+#define XCHAL_INTLEVEL4_NUM 12
+#define XCHAL_INTLEVEL5_NUM 13
+#define XCHAL_INTLEVEL7_NUM 14
+/* (There are many interrupts each at level(s) 1, 3.) */
+
+
+/*
+ * External interrupt vectors/levels.
+ * These macros describe how Xtensa processor interrupt numbers
+ * (as numbered internally, eg. in INTERRUPT and INTENABLE registers)
+ * map to external BInterrupt<n> pins, for those interrupts
+ * configured as external (level-triggered, edge-triggered, or NMI).
+ * See the Xtensa processor databook for more details.
+ */
+
+/* Core interrupt numbers mapped to each EXTERNAL interrupt number: */
+#define XCHAL_EXTINT0_NUM 0 /* (intlevel 1) */
+#define XCHAL_EXTINT1_NUM 1 /* (intlevel 1) */
+#define XCHAL_EXTINT2_NUM 2 /* (intlevel 1) */
+#define XCHAL_EXTINT3_NUM 3 /* (intlevel 1) */
+#define XCHAL_EXTINT4_NUM 4 /* (intlevel 1) */
+#define XCHAL_EXTINT5_NUM 5 /* (intlevel 1) */
+#define XCHAL_EXTINT6_NUM 8 /* (intlevel 2) */
+#define XCHAL_EXTINT7_NUM 9 /* (intlevel 3) */
+#define XCHAL_EXTINT8_NUM 12 /* (intlevel 4) */
+#define XCHAL_EXTINT9_NUM 14 /* (intlevel 7) */
+#define XCHAL_EXTINT10_NUM 15 /* (intlevel 1) */
+#define XCHAL_EXTINT11_NUM 16 /* (intlevel 1) */
+#define XCHAL_EXTINT12_NUM 17 /* (intlevel 1) */
+#define XCHAL_EXTINT13_NUM 18 /* (intlevel 1) */
+#define XCHAL_EXTINT14_NUM 19 /* (intlevel 1) */
+#define XCHAL_EXTINT15_NUM 20 /* (intlevel 1) */
+#define XCHAL_EXTINT16_NUM 21 /* (intlevel 3) */
+
+
+/*----------------------------------------------------------------------
+ EXCEPTIONS and VECTORS
+ ----------------------------------------------------------------------*/
+
+#define XCHAL_XEA_VERSION 2 /* Xtensa Exception Architecture
+ number: 1 == XEA1 (old)
+ 2 == XEA2 (new)
+ 0 == XEAX (extern) */
+#define XCHAL_HAVE_XEA1 0 /* Exception Architecture 1 */
+#define XCHAL_HAVE_XEA2 1 /* Exception Architecture 2 */
+#define XCHAL_HAVE_XEAX 0 /* External Exception Arch. */
+#define XCHAL_HAVE_EXCEPTIONS 1 /* exception option */
+#define XCHAL_HAVE_MEM_ECC_PARITY 0 /* local memory ECC/parity */
+#define XCHAL_HAVE_VECTOR_SELECT 1 /* relocatable vectors */
+#define XCHAL_HAVE_VECBASE 1 /* relocatable vectors */
+#define XCHAL_VECBASE_RESET_VADDR 0xD0000000 /* VECBASE reset value */
+#define XCHAL_VECBASE_RESET_PADDR 0x00000000
+#define XCHAL_RESET_VECBASE_OVERLAP 0
+
+#define XCHAL_RESET_VECTOR0_VADDR 0xFE000000
+#define XCHAL_RESET_VECTOR0_PADDR 0xFE000000
+#define XCHAL_RESET_VECTOR1_VADDR 0xD8000500
+#define XCHAL_RESET_VECTOR1_PADDR 0x00000500
+#define XCHAL_RESET_VECTOR_VADDR 0xFE000000
+#define XCHAL_RESET_VECTOR_PADDR 0xFE000000
+#define XCHAL_USER_VECOFS 0x00000340
+#define XCHAL_USER_VECTOR_VADDR 0xD0000340
+#define XCHAL_USER_VECTOR_PADDR 0x00000340
+#define XCHAL_KERNEL_VECOFS 0x00000300
+#define XCHAL_KERNEL_VECTOR_VADDR 0xD0000300
+#define XCHAL_KERNEL_VECTOR_PADDR 0x00000300
+#define XCHAL_DOUBLEEXC_VECOFS 0x000003C0
+#define XCHAL_DOUBLEEXC_VECTOR_VADDR 0xD00003C0
+#define XCHAL_DOUBLEEXC_VECTOR_PADDR 0x000003C0
+#define XCHAL_WINDOW_OF4_VECOFS 0x00000000
+#define XCHAL_WINDOW_UF4_VECOFS 0x00000040
+#define XCHAL_WINDOW_OF8_VECOFS 0x00000080
+#define XCHAL_WINDOW_UF8_VECOFS 0x000000C0
+#define XCHAL_WINDOW_OF12_VECOFS 0x00000100
+#define XCHAL_WINDOW_UF12_VECOFS 0x00000140
+#define XCHAL_WINDOW_VECTORS_VADDR 0xD0000000
+#define XCHAL_WINDOW_VECTORS_PADDR 0x00000000
+#define XCHAL_INTLEVEL2_VECOFS 0x00000180
+#define XCHAL_INTLEVEL2_VECTOR_VADDR 0xD0000180
+#define XCHAL_INTLEVEL2_VECTOR_PADDR 0x00000180
+#define XCHAL_INTLEVEL3_VECOFS 0x000001C0
+#define XCHAL_INTLEVEL3_VECTOR_VADDR 0xD00001C0
+#define XCHAL_INTLEVEL3_VECTOR_PADDR 0x000001C0
+#define XCHAL_INTLEVEL4_VECOFS 0x00000200
+#define XCHAL_INTLEVEL4_VECTOR_VADDR 0xD0000200
+#define XCHAL_INTLEVEL4_VECTOR_PADDR 0x00000200
+#define XCHAL_INTLEVEL5_VECOFS 0x00000240
+#define XCHAL_INTLEVEL5_VECTOR_VADDR 0xD0000240
+#define XCHAL_INTLEVEL5_VECTOR_PADDR 0x00000240
+#define XCHAL_INTLEVEL6_VECOFS 0x00000280
+#define XCHAL_INTLEVEL6_VECTOR_VADDR 0xD0000280
+#define XCHAL_INTLEVEL6_VECTOR_PADDR 0x00000280
+#define XCHAL_DEBUG_VECOFS XCHAL_INTLEVEL6_VECOFS
+#define XCHAL_DEBUG_VECTOR_VADDR XCHAL_INTLEVEL6_VECTOR_VADDR
+#define XCHAL_DEBUG_VECTOR_PADDR XCHAL_INTLEVEL6_VECTOR_PADDR
+#define XCHAL_NMI_VECOFS 0x000002C0
+#define XCHAL_NMI_VECTOR_VADDR 0xD00002C0
+#define XCHAL_NMI_VECTOR_PADDR 0x000002C0
+#define XCHAL_INTLEVEL7_VECOFS XCHAL_NMI_VECOFS
+#define XCHAL_INTLEVEL7_VECTOR_VADDR XCHAL_NMI_VECTOR_VADDR
+#define XCHAL_INTLEVEL7_VECTOR_PADDR XCHAL_NMI_VECTOR_PADDR
+
+
+/*----------------------------------------------------------------------
+ DEBUG
+ ----------------------------------------------------------------------*/
+
+#define XCHAL_HAVE_OCD 1 /* OnChipDebug option */
+#define XCHAL_NUM_IBREAK 2 /* number of IBREAKn regs */
+#define XCHAL_NUM_DBREAK 2 /* number of DBREAKn regs */
+#define XCHAL_HAVE_OCD_DIR_ARRAY 1 /* faster OCD option */
+
+
+/*----------------------------------------------------------------------
+ MMU
+ ----------------------------------------------------------------------*/
+
+/* See core-matmap.h header file for more details. */
+
+#define XCHAL_HAVE_TLBS 1 /* inverse of HAVE_CACHEATTR */
+#define XCHAL_HAVE_SPANNING_WAY 0 /* one way maps I+D 4GB vaddr */
+#define XCHAL_HAVE_IDENTITY_MAP 0 /* vaddr == paddr always */
+#define XCHAL_HAVE_CACHEATTR 0 /* CACHEATTR register present */
+#define XCHAL_HAVE_MIMIC_CACHEATTR 0 /* region protection */
+#define XCHAL_HAVE_XLT_CACHEATTR 0 /* region prot. w/translation */
+#define XCHAL_HAVE_PTP_MMU 1 /* full MMU (with page table
+ [autorefill] and protection)
+ usable for an MMU-based OS */
+/* If none of the above last 4 are set, it's a custom TLB configuration. */
+#define XCHAL_ITLB_ARF_ENTRIES_LOG2 2 /* log2(autorefill way size) */
+#define XCHAL_DTLB_ARF_ENTRIES_LOG2 2 /* log2(autorefill way size) */
+
+#define XCHAL_MMU_ASID_BITS 8 /* number of bits in ASIDs */
+#define XCHAL_MMU_RINGS 4 /* number of rings (1..4) */
+#define XCHAL_MMU_RING_BITS 2 /* num of bits in RING field */
+
+#endif /* !XTENSA_HAL_NON_PRIVILEGED_ONLY */
+
+
+#endif /* _XTENSA_CORE_CONFIGURATION_H */
diff --git a/target-xtensa/core-dc232b/gdb-config.c b/target-xtensa/core-dc232b/gdb-config.c
new file mode 100644
index 0000000000..13aba5edec
--- /dev/null
+++ b/target-xtensa/core-dc232b/gdb-config.c
@@ -0,0 +1,261 @@
+/* Configuration for the Xtensa architecture for GDB, the GNU debugger.
+
+ Copyright (C) 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+
+ This file is part of GDB.
+
+ 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, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
+
+ XTREG(0, 0, 32, 4, 4, 0x0020, 0x0006, -2, 9, 0x0100, pc,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(1, 4, 32, 4, 4, 0x0100, 0x0006, -2, 1, 0x0002, ar0,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(2, 8, 32, 4, 4, 0x0101, 0x0006, -2, 1, 0x0002, ar1,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(3, 12, 32, 4, 4, 0x0102, 0x0006, -2, 1, 0x0002, ar2,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(4, 16, 32, 4, 4, 0x0103, 0x0006, -2, 1, 0x0002, ar3,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(5, 20, 32, 4, 4, 0x0104, 0x0006, -2, 1, 0x0002, ar4,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(6, 24, 32, 4, 4, 0x0105, 0x0006, -2, 1, 0x0002, ar5,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(7, 28, 32, 4, 4, 0x0106, 0x0006, -2, 1, 0x0002, ar6,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(8, 32, 32, 4, 4, 0x0107, 0x0006, -2, 1, 0x0002, ar7,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(9, 36, 32, 4, 4, 0x0108, 0x0006, -2, 1, 0x0002, ar8,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(10, 40, 32, 4, 4, 0x0109, 0x0006, -2, 1, 0x0002, ar9,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(11, 44, 32, 4, 4, 0x010a, 0x0006, -2, 1, 0x0002, ar10,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(12, 48, 32, 4, 4, 0x010b, 0x0006, -2, 1, 0x0002, ar11,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(13, 52, 32, 4, 4, 0x010c, 0x0006, -2, 1, 0x0002, ar12,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(14, 56, 32, 4, 4, 0x010d, 0x0006, -2, 1, 0x0002, ar13,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(15, 60, 32, 4, 4, 0x010e, 0x0006, -2, 1, 0x0002, ar14,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(16, 64, 32, 4, 4, 0x010f, 0x0006, -2, 1, 0x0002, ar15,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(17, 68, 32, 4, 4, 0x0110, 0x0006, -2, 1, 0x0002, ar16,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(18, 72, 32, 4, 4, 0x0111, 0x0006, -2, 1, 0x0002, ar17,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(19, 76, 32, 4, 4, 0x0112, 0x0006, -2, 1, 0x0002, ar18,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(20, 80, 32, 4, 4, 0x0113, 0x0006, -2, 1, 0x0002, ar19,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(21, 84, 32, 4, 4, 0x0114, 0x0006, -2, 1, 0x0002, ar20,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(22, 88, 32, 4, 4, 0x0115, 0x0006, -2, 1, 0x0002, ar21,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(23, 92, 32, 4, 4, 0x0116, 0x0006, -2, 1, 0x0002, ar22,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(24, 96, 32, 4, 4, 0x0117, 0x0006, -2, 1, 0x0002, ar23,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(25, 100, 32, 4, 4, 0x0118, 0x0006, -2, 1, 0x0002, ar24,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(26, 104, 32, 4, 4, 0x0119, 0x0006, -2, 1, 0x0002, ar25,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(27, 108, 32, 4, 4, 0x011a, 0x0006, -2, 1, 0x0002, ar26,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(28, 112, 32, 4, 4, 0x011b, 0x0006, -2, 1, 0x0002, ar27,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(29, 116, 32, 4, 4, 0x011c, 0x0006, -2, 1, 0x0002, ar28,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(30, 120, 32, 4, 4, 0x011d, 0x0006, -2, 1, 0x0002, ar29,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(31, 124, 32, 4, 4, 0x011e, 0x0006, -2, 1, 0x0002, ar30,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(32, 128, 32, 4, 4, 0x011f, 0x0006, -2, 1, 0x0002, ar31,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(33, 132, 32, 4, 4, 0x0200, 0x0006, -2, 2, 0x1100, lbeg,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(34, 136, 32, 4, 4, 0x0201, 0x0006, -2, 2, 0x1100, lend,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(35, 140, 32, 4, 4, 0x0202, 0x0006, -2, 2, 0x1100, lcount,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(36, 144, 6, 4, 4, 0x0203, 0x0006, -2, 2, 0x1100, sar,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(37, 148, 32, 4, 4, 0x0205, 0x0006, -2, 2, 0x1100, litbase,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(38, 152, 3, 4, 4, 0x0248, 0x0006, -2, 2, 0x1002, windowbase,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(39, 156, 8, 4, 4, 0x0249, 0x0006, -2, 2, 0x1002, windowstart,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(40, 160, 32, 4, 4, 0x02b0, 0x0002, -2, 2, 0x1000, sr176,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(41, 164, 32, 4, 4, 0x02d0, 0x0002, -2, 2, 0x1000, sr208,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(42, 168, 19, 4, 4, 0x02e6, 0x0006, -2, 2, 0x1100, ps,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(43, 172, 32, 4, 4, 0x03e7, 0x0006, -2, 3, 0x0110, threadptr,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(44, 176, 32, 4, 4, 0x020c, 0x0006, -1, 2, 0x1100, scompare1,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(45, 180, 32, 4, 4, 0x0210, 0x0006, -1, 2, 0x1100, acclo,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(46, 184, 8, 4, 4, 0x0211, 0x0006, -1, 2, 0x1100, acchi,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(47, 188, 32, 4, 4, 0x0220, 0x0006, -1, 2, 0x1100, m0,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(48, 192, 32, 4, 4, 0x0221, 0x0006, -1, 2, 0x1100, m1,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(49, 196, 32, 4, 4, 0x0222, 0x0006, -1, 2, 0x1100, m2,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(50, 200, 32, 4, 4, 0x0223, 0x0006, -1, 2, 0x1100, m3,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(51, 204, 32, 4, 4, 0x03e6, 0x000e, -1, 3, 0x0110, expstate,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(52, 208, 32, 4, 4, 0x0253, 0x0007, -2, 2, 0x1000, ptevaddr,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(53, 212, 32, 4, 4, 0x0259, 0x000d, -2, 2, 0x1000, mmid,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(54, 216, 32, 4, 4, 0x025a, 0x0007, -2, 2, 0x1000, rasid,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(55, 220, 18, 4, 4, 0x025b, 0x0007, -2, 2, 0x1000, itlbcfg,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(56, 224, 18, 4, 4, 0x025c, 0x0007, -2, 2, 0x1000, dtlbcfg,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(57, 228, 2, 4, 4, 0x0260, 0x0007, -2, 2, 0x1000, ibreakenable,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(58, 232, 32, 4, 4, 0x0268, 0x0007, -2, 2, 0x1000, ddr,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(59, 236, 32, 4, 4, 0x0280, 0x0007, -2, 2, 0x1000, ibreaka0,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(60, 240, 32, 4, 4, 0x0281, 0x0007, -2, 2, 0x1000, ibreaka1,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(61, 244, 32, 4, 4, 0x0290, 0x0007, -2, 2, 0x1000, dbreaka0,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(62, 248, 32, 4, 4, 0x0291, 0x0007, -2, 2, 0x1000, dbreaka1,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(63, 252, 32, 4, 4, 0x02a0, 0x0007, -2, 2, 0x1000, dbreakc0,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(64, 256, 32, 4, 4, 0x02a1, 0x0007, -2, 2, 0x1000, dbreakc1,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(65, 260, 32, 4, 4, 0x02b1, 0x0007, -2, 2, 0x1000, epc1,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(66, 264, 32, 4, 4, 0x02b2, 0x0007, -2, 2, 0x1000, epc2,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(67, 268, 32, 4, 4, 0x02b3, 0x0007, -2, 2, 0x1000, epc3,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(68, 272, 32, 4, 4, 0x02b4, 0x0007, -2, 2, 0x1000, epc4,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(69, 276, 32, 4, 4, 0x02b5, 0x0007, -2, 2, 0x1000, epc5,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(70, 280, 32, 4, 4, 0x02b6, 0x0007, -2, 2, 0x1000, epc6,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(71, 284, 32, 4, 4, 0x02b7, 0x0007, -2, 2, 0x1000, epc7,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(72, 288, 32, 4, 4, 0x02c0, 0x0007, -2, 2, 0x1000, depc,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(73, 292, 19, 4, 4, 0x02c2, 0x0007, -2, 2, 0x1000, eps2,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(74, 296, 19, 4, 4, 0x02c3, 0x0007, -2, 2, 0x1000, eps3,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(75, 300, 19, 4, 4, 0x02c4, 0x0007, -2, 2, 0x1000, eps4,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(76, 304, 19, 4, 4, 0x02c5, 0x0007, -2, 2, 0x1000, eps5,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(77, 308, 19, 4, 4, 0x02c6, 0x0007, -2, 2, 0x1000, eps6,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(78, 312, 19, 4, 4, 0x02c7, 0x0007, -2, 2, 0x1000, eps7,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(79, 316, 32, 4, 4, 0x02d1, 0x0007, -2, 2, 0x1000, excsave1,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(80, 320, 32, 4, 4, 0x02d2, 0x0007, -2, 2, 0x1000, excsave2,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(81, 324, 32, 4, 4, 0x02d3, 0x0007, -2, 2, 0x1000, excsave3,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(82, 328, 32, 4, 4, 0x02d4, 0x0007, -2, 2, 0x1000, excsave4,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(83, 332, 32, 4, 4, 0x02d5, 0x0007, -2, 2, 0x1000, excsave5,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(84, 336, 32, 4, 4, 0x02d6, 0x0007, -2, 2, 0x1000, excsave6,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(85, 340, 32, 4, 4, 0x02d7, 0x0007, -2, 2, 0x1000, excsave7,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(86, 344, 8, 4, 4, 0x02e0, 0x0007, -2, 2, 0x1000, cpenable,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(87, 348, 22, 4, 4, 0x02e2, 0x000b, -2, 2, 0x1000, interrupt,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(88, 352, 22, 4, 4, 0x02e2, 0x000d, -2, 2, 0x1000, intset,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(89, 356, 22, 4, 4, 0x02e3, 0x000d, -2, 2, 0x1000, intclear,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(90, 360, 22, 4, 4, 0x02e4, 0x0007, -2, 2, 0x1000, intenable,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(91, 364, 32, 4, 4, 0x02e7, 0x0007, -2, 2, 0x1000, vecbase,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(92, 368, 6, 4, 4, 0x02e8, 0x0007, -2, 2, 0x1000, exccause,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(93, 372, 12, 4, 4, 0x02e9, 0x0003, -2, 2, 0x1000, debugcause,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(94, 376, 32, 4, 4, 0x02ea, 0x000f, -2, 2, 0x1000, ccount,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(95, 380, 32, 4, 4, 0x02eb, 0x0003, -2, 2, 0x1000, prid,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(96, 384, 32, 4, 4, 0x02ec, 0x000f, -2, 2, 0x1000, icount,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(97, 388, 4, 4, 4, 0x02ed, 0x0007, -2, 2, 0x1000, icountlevel,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(98, 392, 32, 4, 4, 0x02ee, 0x0007, -2, 2, 0x1000, excvaddr,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(99, 396, 32, 4, 4, 0x02f0, 0x000f, -2, 2, 0x1000, ccompare0,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(100, 400, 32, 4, 4, 0x02f1, 0x000f, -2, 2, 0x1000, ccompare1,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(101, 404, 32, 4, 4, 0x02f2, 0x000f, -2, 2, 0x1000, ccompare2,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(102, 408, 32, 4, 4, 0x02f4, 0x0007, -2, 2, 0x1000, misc0,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(103, 412, 32, 4, 4, 0x02f5, 0x0007, -2, 2, 0x1000, misc1,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(104, 416, 32, 4, 4, 0x0000, 0x0006, -2, 8, 0x0100, a0,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(105, 420, 32, 4, 4, 0x0001, 0x0006, -2, 8, 0x0100, a1,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(106, 424, 32, 4, 4, 0x0002, 0x0006, -2, 8, 0x0100, a2,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(107, 428, 32, 4, 4, 0x0003, 0x0006, -2, 8, 0x0100, a3,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(108, 432, 32, 4, 4, 0x0004, 0x0006, -2, 8, 0x0100, a4,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(109, 436, 32, 4, 4, 0x0005, 0x0006, -2, 8, 0x0100, a5,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(110, 440, 32, 4, 4, 0x0006, 0x0006, -2, 8, 0x0100, a6,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(111, 444, 32, 4, 4, 0x0007, 0x0006, -2, 8, 0x0100, a7,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(112, 448, 32, 4, 4, 0x0008, 0x0006, -2, 8, 0x0100, a8,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(113, 452, 32, 4, 4, 0x0009, 0x0006, -2, 8, 0x0100, a9,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(114, 456, 32, 4, 4, 0x000a, 0x0006, -2, 8, 0x0100, a10,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(115, 460, 32, 4, 4, 0x000b, 0x0006, -2, 8, 0x0100, a11,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(116, 464, 32, 4, 4, 0x000c, 0x0006, -2, 8, 0x0100, a12,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(117, 468, 32, 4, 4, 0x000d, 0x0006, -2, 8, 0x0100, a13,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(118, 472, 32, 4, 4, 0x000e, 0x0006, -2, 8, 0x0100, a14,
+ 0, 0, 0, 0, 0, 0)
+ XTREG(119, 476, 32, 4, 4, 0x000f, 0x0006, -2, 8, 0x0100, a15,
+ 0, 0, 0, 0, 0, 0)