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[Qemu-devel] [PATCH 6/7] target-xtensa: add fsf core


From: Max Filippov
Subject: [Qemu-devel] [PATCH 6/7] target-xtensa: add fsf core
Date: Mon, 10 Oct 2011 06:26:04 +0400

This is FSF big endian core implemented through linux/gdb overlay.

Signed-off-by: Max Filippov <address@hidden>
---
 Makefile.target                     |    1 +
 target-xtensa/core-fsf.c            |   28 +++
 target-xtensa/core-fsf/core-isa.h   |  362 +++++++++++++++++++++++++++++++++++
 target-xtensa/core-fsf/gdb-config.c |  152 +++++++++++++++
 4 files changed, 543 insertions(+), 0 deletions(-)
 create mode 100644 target-xtensa/core-fsf.c
 create mode 100644 target-xtensa/core-fsf/core-isa.h
 create mode 100644 target-xtensa/core-fsf/gdb-config.c

diff --git a/Makefile.target b/Makefile.target
index 4539824..819f42f 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -373,6 +373,7 @@ obj-xtensa-y += xtensa_pic.o
 obj-xtensa-y += xtensa_dc232b.o
 obj-xtensa-y += xtensa-semi.o
 obj-xtensa-y += core-dc232b.o
+obj-xtensa-y += core-fsf.o
 
 main.o: QEMU_CFLAGS+=$(GPROF_CFLAGS)
 
diff --git a/target-xtensa/core-fsf.c b/target-xtensa/core-fsf.c
new file mode 100644
index 0000000..f22dbb5
--- /dev/null
+++ b/target-xtensa/core-fsf.c
@@ -0,0 +1,28 @@
+#include "cpu.h"
+#include "exec-all.h"
+#include "gdbstub.h"
+#include "qemu-common.h"
+#include "host-utils.h"
+
+#include "core-fsf/core-isa.h"
+#include "overlay_tool.h"
+
+static const XtensaConfig fsf = {
+    .name = "fsf",
+    .options = XTENSA_OPTIONS,
+    .gdb_regmap = {
+        .num_regs = 130,
+        .num_core_regs = 75,
+        .reg = {
+#include "core-fsf/gdb-config.c"
+        }
+    },
+    .nareg = XCHAL_NUM_AREGS,
+    .ndepc = 1,
+    EXCEPTIONS_SECTION,
+    INTERRUPTS_SECTION,
+    TLB_SECTION,
+    .clock_freq_khz = 10000,
+};
+
+REGISTER_CORE(fsf)
diff --git a/target-xtensa/core-fsf/core-isa.h 
b/target-xtensa/core-fsf/core-isa.h
new file mode 100644
index 0000000..57d1870
--- /dev/null
+++ b/target-xtensa/core-fsf/core-isa.h
@@ -0,0 +1,362 @@
+/*
+ * 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) 1999-2006 Tensilica Inc.
+ */
+
+#ifndef _XTENSA_CORE_H
+#define _XTENSA_CORE_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                  1       /* big-endian byte ordering */
+#define XCHAL_HAVE_WINDOWED            1       /* windowed registers option */
+#define XCHAL_NUM_AREGS                        64      /* num of physical addr 
regs */
+#define XCHAL_NUM_AREGS_LOG2           6       /* 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              0       /* MIN/MAX instructions */
+#define XCHAL_HAVE_SEXT                        0       /* SEXT instruction */
+#define XCHAL_HAVE_CLAMPS              0       /* CLAMPS instruction */
+#define XCHAL_HAVE_MUL16               0       /* MUL16S/MUL16U instructions */
+#define XCHAL_HAVE_MUL32               0       /* MULL instruction */
+#define XCHAL_HAVE_MUL32_HIGH          0       /* MULUH/MULSH instructions */
+#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                0       /* L32AI/S32RI 
instructions */
+#define XCHAL_HAVE_S32C1I              0       /* 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                  0       /* CPENABLE reg (coprocessor) */
+#define XCHAL_CP_MAXCFG                        0       /* max allowed cp id 
plus one */
+#define XCHAL_HAVE_MAC16               0       /* 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  4       /* 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               800002  /* sw version of this header */
+
+#define XCHAL_CORE_ID                  "fsf"   /* alphanum core name
+                                                  (CoreID) set in the Xtensa
+                                                  Processor Generator */
+
+#define XCHAL_CORE_DESCRIPTION         "fsf standard core"
+#define XCHAL_BUILD_UNIQUE_ID          0x00006700      /* 22-bit sw build ID */
+
+/*
+ *  These definitions describe the hardware targeted by this software.
+ */
+#define XCHAL_HW_CONFIGID0             0xC103C3FF      /* ConfigID hi 32 bits*/
+#define XCHAL_HW_CONFIGID1             0x0C006700      /* ConfigID lo 32 bits*/
+#define XCHAL_HW_VERSION_NAME          "LX2.0.0"       /* full version name */
+#define XCHAL_HW_VERSION_MAJOR         2200    /* major ver# of targeted hw */
+#define XCHAL_HW_VERSION_MINOR         0       /* minor ver# of targeted hw */
+#define XTHAL_HW_REL_LX2               1
+#define XTHAL_HW_REL_LX2_0             1
+#define XTHAL_HW_REL_LX2_0_0           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     2200    /* major v of earliest tgt hw */
+#define XCHAL_HW_MIN_VERSION_MINOR     0       /* minor v of earliest tgt hw */
+#define XCHAL_HW_MAX_VERSION_MAJOR     2200    /* major v of latest tgt hw */
+#define XCHAL_HW_MAX_VERSION_MINOR     0       /* minor v of latest tgt hw */
+
+
+/*----------------------------------------------------------------------
+                               CACHE
+  ----------------------------------------------------------------------*/
+
+#define XCHAL_ICACHE_LINESIZE          16      /* I-cache line size in bytes */
+#define XCHAL_DCACHE_LINESIZE          16      /* D-cache line size in bytes */
+#define XCHAL_ICACHE_LINEWIDTH         4       /* log2(I line size in bytes) */
+#define XCHAL_DCACHE_LINEWIDTH         4       /* log2(D line size in bytes) */
+
+#define XCHAL_ICACHE_SIZE              8192    /* I-cache size in bytes or 0 */
+#define XCHAL_DCACHE_SIZE              8192    /* D-cache size in bytes or 0 */
+
+#define XCHAL_DCACHE_IS_WRITEBACK      0       /* 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          8
+#define XCHAL_DCACHE_SETWIDTH          8
+
+/*  Cache set associativity (number of ways):  */
+#define XCHAL_ICACHE_WAYS              2
+#define XCHAL_DCACHE_WAYS              2
+
+/*  Cache features:  */
+#define XCHAL_ICACHE_LINE_LOCKABLE     0
+#define XCHAL_DCACHE_LINE_LOCKABLE     0
+#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                 0       /* 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           17      /* number of interrupts */
+#define XCHAL_NUM_INTERRUPTS_LOG2      5       /* ceil(log2(NUM_INTERRUPTS)) */
+#define XCHAL_NUM_EXTINTERRUPTS                10      /* num of external 
interrupts */
+#define XCHAL_NUM_INTLEVELS            4       /* number of interrupt levels
+                                                  (not including level zero) */
+#define XCHAL_EXCM_LEVEL               1       /* 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           0x000064F9
+#define XCHAL_INTLEVEL2_MASK           0x00008902
+#define XCHAL_INTLEVEL3_MASK           0x00011204
+#define XCHAL_INTLEVEL4_MASK           0x00000000
+#define XCHAL_INTLEVEL5_MASK           0x00000000
+#define XCHAL_INTLEVEL6_MASK           0x00000000
+#define XCHAL_INTLEVEL7_MASK           0x00000000
+
+/*  Masks of interrupts at each range 1..n of interrupt levels:  */
+#define XCHAL_INTLEVEL1_ANDBELOW_MASK  0x000064F9
+#define XCHAL_INTLEVEL2_ANDBELOW_MASK  0x0000EDFB
+#define XCHAL_INTLEVEL3_ANDBELOW_MASK  0x0001FFFF
+#define XCHAL_INTLEVEL4_ANDBELOW_MASK  0x0001FFFF
+#define XCHAL_INTLEVEL5_ANDBELOW_MASK  0x0001FFFF
+#define XCHAL_INTLEVEL6_ANDBELOW_MASK  0x0001FFFF
+#define XCHAL_INTLEVEL7_ANDBELOW_MASK  0x0001FFFF
+
+/*  Level of each interrupt:  */
+#define XCHAL_INT0_LEVEL               1
+#define XCHAL_INT1_LEVEL               2
+#define XCHAL_INT2_LEVEL               3
+#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              1
+#define XCHAL_INT11_LEVEL              2
+#define XCHAL_INT12_LEVEL              3
+#define XCHAL_INT13_LEVEL              1
+#define XCHAL_INT14_LEVEL              1
+#define XCHAL_INT15_LEVEL              2
+#define XCHAL_INT16_LEVEL              3
+#define XCHAL_DEBUGLEVEL               4       /* debug interrupt level */
+#define XCHAL_HAVE_DEBUG_EXTERN_INT    0       /* OCD external db interrupt */
+
+/*  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_EXTERN_LEVEL
+#define XCHAL_INT7_TYPE        XTHAL_INTTYPE_EXTERN_EDGE
+#define XCHAL_INT8_TYPE        XTHAL_INTTYPE_EXTERN_EDGE
+#define XCHAL_INT9_TYPE        XTHAL_INTTYPE_EXTERN_EDGE
+#define XCHAL_INT10_TYPE       XTHAL_INTTYPE_TIMER
+#define XCHAL_INT11_TYPE       XTHAL_INTTYPE_TIMER
+#define XCHAL_INT12_TYPE       XTHAL_INTTYPE_TIMER
+#define XCHAL_INT13_TYPE       XTHAL_INTTYPE_SOFTWARE
+#define XCHAL_INT14_TYPE       XTHAL_INTTYPE_SOFTWARE
+#define XCHAL_INT15_TYPE       XTHAL_INTTYPE_SOFTWARE
+#define XCHAL_INT16_TYPE       XTHAL_INTTYPE_SOFTWARE
+
+/*  Masks of interrupts for each type of interrupt:  */
+#define XCHAL_INTTYPE_MASK_UNCONFIGURED        0xFFFE0000
+#define XCHAL_INTTYPE_MASK_SOFTWARE    0x0001E000
+#define XCHAL_INTTYPE_MASK_EXTERN_EDGE 0x00000380
+#define XCHAL_INTTYPE_MASK_EXTERN_LEVEL        0x0000007F
+#define XCHAL_INTTYPE_MASK_TIMER       0x00001C00
+#define XCHAL_INTTYPE_MASK_NMI         0x00000000
+#define XCHAL_INTTYPE_MASK_WRITE_ERROR 0x00000000
+
+/*  Interrupt numbers assigned to specific interrupt sources:  */
+#define XCHAL_TIMER0_INTERRUPT         10      /* CCOMPARE0 */
+#define XCHAL_TIMER1_INTERRUPT         11      /* CCOMPARE1 */
+#define XCHAL_TIMER2_INTERRUPT         12      /* CCOMPARE2 */
+#define XCHAL_TIMER3_INTERRUPT         XTHAL_TIMER_UNCONFIGURED
+
+/*  Interrupt numbers for levels at which only one interrupt is configured:  */
+/*  (There are many interrupts each at level(s) 1, 2, 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 2) */
+#define XCHAL_EXTINT2_NUM              2       /* (intlevel 3) */
+#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              6       /* (intlevel 1) */
+#define XCHAL_EXTINT7_NUM              7       /* (intlevel 1) */
+#define XCHAL_EXTINT8_NUM              8       /* (intlevel 2) */
+#define XCHAL_EXTINT9_NUM              9       /* (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_RESET_VECTOR_VADDR       0xFE000020
+#define XCHAL_RESET_VECTOR_PADDR       0xFE000020
+#define XCHAL_USER_VECTOR_VADDR                0xD0000220
+#define XCHAL_USER_VECTOR_PADDR                0x00000220
+#define XCHAL_KERNEL_VECTOR_VADDR      0xD0000200
+#define XCHAL_KERNEL_VECTOR_PADDR      0x00000200
+#define XCHAL_DOUBLEEXC_VECTOR_VADDR   0xD0000290
+#define XCHAL_DOUBLEEXC_VECTOR_PADDR   0x00000290
+#define XCHAL_WINDOW_VECTORS_VADDR     0xD0000000
+#define XCHAL_WINDOW_VECTORS_PADDR     0x00000000
+#define XCHAL_INTLEVEL2_VECTOR_VADDR   0xD0000240
+#define XCHAL_INTLEVEL2_VECTOR_PADDR   0x00000240
+#define XCHAL_INTLEVEL3_VECTOR_VADDR   0xD0000250
+#define XCHAL_INTLEVEL3_VECTOR_PADDR   0x00000250
+#define XCHAL_INTLEVEL4_VECTOR_VADDR   0xFE000520
+#define XCHAL_INTLEVEL4_VECTOR_PADDR   0xFE000520
+#define XCHAL_DEBUG_VECTOR_VADDR       XCHAL_INTLEVEL4_VECTOR_VADDR
+#define XCHAL_DEBUG_VECTOR_PADDR       XCHAL_INTLEVEL4_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 <xtensa/config/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-fsf/gdb-config.c 
b/target-xtensa/core-fsf/gdb-config.c
new file mode 100644
index 0000000..6705d9c
--- /dev/null
+++ b/target-xtensa/core-fsf/gdb-config.c
@@ -0,0 +1,152 @@
+/* Configuration for the Xtensa architecture for GDB, the GNU debugger.
+
+   Copyright (C) 2003, 2005, 2006, 2007, 2008 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 3 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 <http://www.gnu.org/licenses/>.  */
+
+  /*    idx ofs bi sz al targno  flags cp typ group name  */
+
+  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, 4,0x0120,0x0006,-2, 1,0x0002,ar32,        0,0,0,0,0,0)
+  XTREG( 34,136,32, 4, 4,0x0121,0x0006,-2, 1,0x0002,ar33,        0,0,0,0,0,0)
+  XTREG( 35,140,32, 4, 4,0x0122,0x0006,-2, 1,0x0002,ar34,        0,0,0,0,0,0)
+  XTREG( 36,144,32, 4, 4,0x0123,0x0006,-2, 1,0x0002,ar35,        0,0,0,0,0,0)
+  XTREG( 37,148,32, 4, 4,0x0124,0x0006,-2, 1,0x0002,ar36,        0,0,0,0,0,0)
+  XTREG( 38,152,32, 4, 4,0x0125,0x0006,-2, 1,0x0002,ar37,        0,0,0,0,0,0)
+  XTREG( 39,156,32, 4, 4,0x0126,0x0006,-2, 1,0x0002,ar38,        0,0,0,0,0,0)
+  XTREG( 40,160,32, 4, 4,0x0127,0x0006,-2, 1,0x0002,ar39,        0,0,0,0,0,0)
+  XTREG( 41,164,32, 4, 4,0x0128,0x0006,-2, 1,0x0002,ar40,        0,0,0,0,0,0)
+  XTREG( 42,168,32, 4, 4,0x0129,0x0006,-2, 1,0x0002,ar41,        0,0,0,0,0,0)
+  XTREG( 43,172,32, 4, 4,0x012a,0x0006,-2, 1,0x0002,ar42,        0,0,0,0,0,0)
+  XTREG( 44,176,32, 4, 4,0x012b,0x0006,-2, 1,0x0002,ar43,        0,0,0,0,0,0)
+  XTREG( 45,180,32, 4, 4,0x012c,0x0006,-2, 1,0x0002,ar44,        0,0,0,0,0,0)
+  XTREG( 46,184,32, 4, 4,0x012d,0x0006,-2, 1,0x0002,ar45,        0,0,0,0,0,0)
+  XTREG( 47,188,32, 4, 4,0x012e,0x0006,-2, 1,0x0002,ar46,        0,0,0,0,0,0)
+  XTREG( 48,192,32, 4, 4,0x012f,0x0006,-2, 1,0x0002,ar47,        0,0,0,0,0,0)
+  XTREG( 49,196,32, 4, 4,0x0130,0x0006,-2, 1,0x0002,ar48,        0,0,0,0,0,0)
+  XTREG( 50,200,32, 4, 4,0x0131,0x0006,-2, 1,0x0002,ar49,        0,0,0,0,0,0)
+  XTREG( 51,204,32, 4, 4,0x0132,0x0006,-2, 1,0x0002,ar50,        0,0,0,0,0,0)
+  XTREG( 52,208,32, 4, 4,0x0133,0x0006,-2, 1,0x0002,ar51,        0,0,0,0,0,0)
+  XTREG( 53,212,32, 4, 4,0x0134,0x0006,-2, 1,0x0002,ar52,        0,0,0,0,0,0)
+  XTREG( 54,216,32, 4, 4,0x0135,0x0006,-2, 1,0x0002,ar53,        0,0,0,0,0,0)
+  XTREG( 55,220,32, 4, 4,0x0136,0x0006,-2, 1,0x0002,ar54,        0,0,0,0,0,0)
+  XTREG( 56,224,32, 4, 4,0x0137,0x0006,-2, 1,0x0002,ar55,        0,0,0,0,0,0)
+  XTREG( 57,228,32, 4, 4,0x0138,0x0006,-2, 1,0x0002,ar56,        0,0,0,0,0,0)
+  XTREG( 58,232,32, 4, 4,0x0139,0x0006,-2, 1,0x0002,ar57,        0,0,0,0,0,0)
+  XTREG( 59,236,32, 4, 4,0x013a,0x0006,-2, 1,0x0002,ar58,        0,0,0,0,0,0)
+  XTREG( 60,240,32, 4, 4,0x013b,0x0006,-2, 1,0x0002,ar59,        0,0,0,0,0,0)
+  XTREG( 61,244,32, 4, 4,0x013c,0x0006,-2, 1,0x0002,ar60,        0,0,0,0,0,0)
+  XTREG( 62,248,32, 4, 4,0x013d,0x0006,-2, 1,0x0002,ar61,        0,0,0,0,0,0)
+  XTREG( 63,252,32, 4, 4,0x013e,0x0006,-2, 1,0x0002,ar62,        0,0,0,0,0,0)
+  XTREG( 64,256,32, 4, 4,0x013f,0x0006,-2, 1,0x0002,ar63,        0,0,0,0,0,0)
+  XTREG( 65,260,32, 4, 4,0x0200,0x0006,-2, 2,0x1100,lbeg,        0,0,0,0,0,0)
+  XTREG( 66,264,32, 4, 4,0x0201,0x0006,-2, 2,0x1100,lend,        0,0,0,0,0,0)
+  XTREG( 67,268,32, 4, 4,0x0202,0x0006,-2, 2,0x1100,lcount,      0,0,0,0,0,0)
+  XTREG( 68,272, 6, 4, 4,0x0203,0x0006,-2, 2,0x1100,sar,         0,0,0,0,0,0)
+  XTREG( 69,276,32, 4, 4,0x0205,0x0006,-2, 2,0x1100,litbase,     0,0,0,0,0,0)
+  XTREG( 70,280, 4, 4, 4,0x0248,0x0006,-2, 2,0x1002,windowbase,  0,0,0,0,0,0)
+  XTREG( 71,284,16, 4, 4,0x0249,0x0006,-2, 2,0x1002,windowstart, 0,0,0,0,0,0)
+  XTREG( 72,288,32, 4, 4,0x02b0,0x0002,-2, 2,0x1000,sr176,       0,0,0,0,0,0)
+  XTREG( 73,292,32, 4, 4,0x02d0,0x0002,-2, 2,0x1000,sr208,       0,0,0,0,0,0)
+  XTREG( 74,296,19, 4, 4,0x02e6,0x0006,-2, 2,0x1100,ps,          0,0,0,0,0,0)
+  XTREG( 75,300,32, 4, 4,0x0253,0x0007,-2, 2,0x1000,ptevaddr,    0,0,0,0,0,0)
+  XTREG( 76,304,32, 4, 4,0x025a,0x0007,-2, 2,0x1000,rasid,       0,0,0,0,0,0)
+  XTREG( 77,308,18, 4, 4,0x025b,0x0007,-2, 2,0x1000,itlbcfg,     0,0,0,0,0,0)
+  XTREG( 78,312,18, 4, 4,0x025c,0x0007,-2, 2,0x1000,dtlbcfg,     0,0,0,0,0,0)
+  XTREG( 79,316, 2, 4, 4,0x0260,0x0007,-2, 2,0x1000,ibreakenable,0,0,0,0,0,0)
+  XTREG( 80,320,32, 4, 4,0x0268,0x0007,-2, 2,0x1000,ddr,         0,0,0,0,0,0)
+  XTREG( 81,324,32, 4, 4,0x0280,0x0007,-2, 2,0x1000,ibreaka0,    0,0,0,0,0,0)
+  XTREG( 82,328,32, 4, 4,0x0281,0x0007,-2, 2,0x1000,ibreaka1,    0,0,0,0,0,0)
+  XTREG( 83,332,32, 4, 4,0x0290,0x0007,-2, 2,0x1000,dbreaka0,    0,0,0,0,0,0)
+  XTREG( 84,336,32, 4, 4,0x0291,0x0007,-2, 2,0x1000,dbreaka1,    0,0,0,0,0,0)
+  XTREG( 85,340,32, 4, 4,0x02a0,0x0007,-2, 2,0x1000,dbreakc0,    0,0,0,0,0,0)
+  XTREG( 86,344,32, 4, 4,0x02a1,0x0007,-2, 2,0x1000,dbreakc1,    0,0,0,0,0,0)
+  XTREG( 87,348,32, 4, 4,0x02b1,0x0007,-2, 2,0x1000,epc1,        0,0,0,0,0,0)
+  XTREG( 88,352,32, 4, 4,0x02b2,0x0007,-2, 2,0x1000,epc2,        0,0,0,0,0,0)
+  XTREG( 89,356,32, 4, 4,0x02b3,0x0007,-2, 2,0x1000,epc3,        0,0,0,0,0,0)
+  XTREG( 90,360,32, 4, 4,0x02b4,0x0007,-2, 2,0x1000,epc4,        0,0,0,0,0,0)
+  XTREG( 91,364,32, 4, 4,0x02c0,0x0007,-2, 2,0x1000,depc,        0,0,0,0,0,0)
+  XTREG( 92,368,19, 4, 4,0x02c2,0x0007,-2, 2,0x1000,eps2,        0,0,0,0,0,0)
+  XTREG( 93,372,19, 4, 4,0x02c3,0x0007,-2, 2,0x1000,eps3,        0,0,0,0,0,0)
+  XTREG( 94,376,19, 4, 4,0x02c4,0x0007,-2, 2,0x1000,eps4,        0,0,0,0,0,0)
+  XTREG( 95,380,32, 4, 4,0x02d1,0x0007,-2, 2,0x1000,excsave1,    0,0,0,0,0,0)
+  XTREG( 96,384,32, 4, 4,0x02d2,0x0007,-2, 2,0x1000,excsave2,    0,0,0,0,0,0)
+  XTREG( 97,388,32, 4, 4,0x02d3,0x0007,-2, 2,0x1000,excsave3,    0,0,0,0,0,0)
+  XTREG( 98,392,32, 4, 4,0x02d4,0x0007,-2, 2,0x1000,excsave4,    0,0,0,0,0,0)
+  XTREG( 99,396,17, 4, 4,0x02e2,0x000b,-2, 2,0x1000,interrupt,   0,0,0,0,0,0)
+  XTREG(100,400,17, 4, 4,0x02e2,0x000d,-2, 2,0x1000,intset,      0,0,0,0,0,0)
+  XTREG(101,404,17, 4, 4,0x02e3,0x000d,-2, 2,0x1000,intclear,    0,0,0,0,0,0)
+  XTREG(102,408,17, 4, 4,0x02e4,0x0007,-2, 2,0x1000,intenable,   0,0,0,0,0,0)
+  XTREG(103,412, 6, 4, 4,0x02e8,0x0007,-2, 2,0x1000,exccause,    0,0,0,0,0,0)
+  XTREG(104,416,12, 4, 4,0x02e9,0x0003,-2, 2,0x1000,debugcause,  0,0,0,0,0,0)
+  XTREG(105,420,32, 4, 4,0x02ea,0x000f,-2, 2,0x1000,ccount,      0,0,0,0,0,0)
+  XTREG(106,424,32, 4, 4,0x02eb,0x0003,-2, 2,0x1000,prid,        0,0,0,0,0,0)
+  XTREG(107,428,32, 4, 4,0x02ec,0x000f,-2, 2,0x1000,icount,      0,0,0,0,0,0)
+  XTREG(108,432, 4, 4, 4,0x02ed,0x0007,-2, 2,0x1000,icountlevel, 0,0,0,0,0,0)
+  XTREG(109,436,32, 4, 4,0x02ee,0x0007,-2, 2,0x1000,excvaddr,    0,0,0,0,0,0)
+  XTREG(110,440,32, 4, 4,0x02f0,0x000f,-2, 2,0x1000,ccompare0,   0,0,0,0,0,0)
+  XTREG(111,444,32, 4, 4,0x02f1,0x000f,-2, 2,0x1000,ccompare1,   0,0,0,0,0,0)
+  XTREG(112,448,32, 4, 4,0x02f2,0x000f,-2, 2,0x1000,ccompare2,   0,0,0,0,0,0)
+  XTREG(113,452,32, 4, 4,0x02f4,0x0007,-2, 2,0x1000,misc0,       0,0,0,0,0,0)
+  XTREG(114,456,32, 4, 4,0x02f5,0x0007,-2, 2,0x1000,misc1,       0,0,0,0,0,0)
+  XTREG(115,460,32, 4, 4,0x0000,0x0006,-2, 8,0x0100,a0,          0,0,0,0,0,0)
+  XTREG(116,464,32, 4, 4,0x0001,0x0006,-2, 8,0x0100,a1,          0,0,0,0,0,0)
+  XTREG(117,468,32, 4, 4,0x0002,0x0006,-2, 8,0x0100,a2,          0,0,0,0,0,0)
+  XTREG(118,472,32, 4, 4,0x0003,0x0006,-2, 8,0x0100,a3,          0,0,0,0,0,0)
+  XTREG(119,476,32, 4, 4,0x0004,0x0006,-2, 8,0x0100,a4,          0,0,0,0,0,0)
+  XTREG(120,480,32, 4, 4,0x0005,0x0006,-2, 8,0x0100,a5,          0,0,0,0,0,0)
+  XTREG(121,484,32, 4, 4,0x0006,0x0006,-2, 8,0x0100,a6,          0,0,0,0,0,0)
+  XTREG(122,488,32, 4, 4,0x0007,0x0006,-2, 8,0x0100,a7,          0,0,0,0,0,0)
+  XTREG(123,492,32, 4, 4,0x0008,0x0006,-2, 8,0x0100,a8,          0,0,0,0,0,0)
+  XTREG(124,496,32, 4, 4,0x0009,0x0006,-2, 8,0x0100,a9,          0,0,0,0,0,0)
+  XTREG(125,500,32, 4, 4,0x000a,0x0006,-2, 8,0x0100,a10,         0,0,0,0,0,0)
+  XTREG(126,504,32, 4, 4,0x000b,0x0006,-2, 8,0x0100,a11,         0,0,0,0,0,0)
+  XTREG(127,508,32, 4, 4,0x000c,0x0006,-2, 8,0x0100,a12,         0,0,0,0,0,0)
+  XTREG(128,512,32, 4, 4,0x000d,0x0006,-2, 8,0x0100,a13,         0,0,0,0,0,0)
+  XTREG(129,516,32, 4, 4,0x000e,0x0006,-2, 8,0x0100,a14,         0,0,0,0,0,0)
+  XTREG(130,520,32, 4, 4,0x000f,0x0006,-2, 8,0x0100,a15,         0,0,0,0,0,0)
-- 
1.7.6.4




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