diff options
| -rw-r--r-- | Makefile.target | 1 | ||||
| -rw-r--r-- | target-xtensa/core-dc232b.c | 28 | ||||
| -rw-r--r-- | target-xtensa/core-dc232b/core-isa.h | 423 | ||||
| -rw-r--r-- | target-xtensa/core-dc232b/gdb-config.c | 261 |
4 files changed, 713 insertions, 0 deletions
diff --git a/Makefile.target b/Makefile.target index 04369b1a53..95d51ae417 100644 --- a/Makefile.target +++ b/Makefile.target @@ -372,6 +372,7 @@ obj-alpha-y += alpha_pci.o alpha_dp264.o alpha_typhoon.o obj-xtensa-y += xtensa_pic.o obj-xtensa-y += xtensa_dc232b.o obj-xtensa-y += xtensa-semi.o +obj-xtensa-y += core-dc232b.o main.o: QEMU_CFLAGS+=$(GPROF_CFLAGS) diff --git a/target-xtensa/core-dc232b.c b/target-xtensa/core-dc232b.c new file mode 100644 index 0000000000..4d9bd559d4 --- /dev/null +++ b/target-xtensa/core-dc232b.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-dc232b/core-isa.h" +#include "overlay_tool.h" + +static const XtensaConfig dc232b = { + .name = "dc232b", + .options = XTENSA_OPTIONS, + .gdb_regmap = { + .num_regs = 120, + .num_core_regs = 52, + .reg = { +#include "core-dc232b/gdb-config.c" + } + }, + .nareg = XCHAL_NUM_AREGS, + .ndepc = 1, + EXCEPTIONS_SECTION, + INTERRUPTS_SECTION, + TLB_SECTION, + .clock_freq_khz = 10000, +}; + +REGISTER_CORE(dc232b) 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) |