| /* |
| * 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_FSF_CORE_ISA_H |
| #define XTENSA_FSF_CORE_ISA_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_FSF_CORE_ISA_H */ |
