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Signed-off-by: Max Filippov --- .../variants/esp32/include/variant/core.h | 655 ++++++++++++++++++ .../variants/esp32/include/variant/tie-asm.h | 323 +++++++++ .../variants/esp32/include/variant/tie.h | 182 +++++ 3 files changed, 1160 insertions(+) create mode 100644 arch/xtensa/variants/esp32/include/variant/core.h create mode 100644 arch/xtensa/variants/esp32/include/variant/tie-asm.h create mode 100644 arch/xtensa/variants/esp32/include/variant/tie.h diff --git a/arch/xtensa/variants/esp32/include/variant/core.h b/arch/xtensa/variants/esp32/include/variant/core.h new file mode 100644 index 000000000000..f3f4e45f001f --- /dev/null +++ b/arch/xtensa/variants/esp32/include/variant/core.h @@ -0,0 +1,655 @@ +/* + * xtensa/config/core-isa.h -- HAL definitions that are dependent on Xtensa + * processor CORE configuration + * + * See , which includes this file, for more details. + */ + +/* Xtensa processor core configuration information. + + Copyright (c) 1999-2016 Tensilica Inc. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#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 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_LOOP_BUFFER_SIZE 256 /* zero-ov. loop instr buffer size */ +#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_DEPBITS 0 /* DEPBITS 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 1 /* MULUH/MULSH instructions */ +#define XCHAL_HAVE_DIV32 1 /* QUOS/QUOU/REMS/REMU instructions */ +#define XCHAL_HAVE_L32R 1 /* L32R instruction */ +#define XCHAL_HAVE_ABSOLUTE_LITERALS 0 /* 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 4 /* 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_EXTERN_REGS 1 /* WER/RER instructions */ +#define XCHAL_HAVE_MX 0 /* MX core (Tensilica internal) */ +#define XCHAL_HAVE_MP_INTERRUPTS 0 /* interrupt distributor port */ +#define XCHAL_HAVE_MP_RUNSTALL 0 /* core RunStall control port */ +#define XCHAL_HAVE_PSO 0 /* Power Shut-Off */ +#define XCHAL_HAVE_PSO_CDM 0 /* core/debug/mem pwr domains */ +#define XCHAL_HAVE_PSO_FULL_RETENTION 0 /* all regs preserved on PSO */ +#define XCHAL_HAVE_THREADPTR 1 /* THREADPTR register */ +#define XCHAL_HAVE_BOOLEANS 1 /* 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_FUSION 0 /* Fusion*/ +#define XCHAL_HAVE_FUSION_FP 0 /* Fusion FP option */ +#define XCHAL_HAVE_FUSION_LOW_POWER 0 /* Fusion Low Power option */ +#define XCHAL_HAVE_FUSION_AES 0 /* Fusion BLE/Wifi AES-128 CCM option */ +#define XCHAL_HAVE_FUSION_CONVENC 0 /* Fusion Conv Encode option */ +#define XCHAL_HAVE_FUSION_LFSR_CRC 0 /* Fusion LFSR-CRC option */ +#define XCHAL_HAVE_FUSION_BITOPS 0 /* Fusion Bit Operations Support option */ +#define XCHAL_HAVE_FUSION_AVS 0 /* Fusion AVS option */ +#define XCHAL_HAVE_FUSION_16BIT_BASEBAND 0 /* Fusion 16-bit Baseband option */ +#define XCHAL_HAVE_FUSION_VITERBI 0 /* Fusion Viterbi option */ +#define XCHAL_HAVE_FUSION_SOFTDEMAP 0 /* Fusion Soft Bit Demap option */ +#define XCHAL_HAVE_HIFIPRO 0 /* HiFiPro Audio Engine pkg */ +#define XCHAL_HAVE_HIFI4 0 /* HiFi4 Audio Engine pkg */ +#define XCHAL_HAVE_HIFI4_VFPU 0 /* HiFi4 Audio Engine VFPU option */ +#define XCHAL_HAVE_HIFI3 0 /* HiFi3 Audio Engine pkg */ +#define XCHAL_HAVE_HIFI3_VFPU 0 /* HiFi3 Audio Engine VFPU option */ +#define XCHAL_HAVE_HIFI2 0 /* HiFi2 Audio Engine pkg */ +#define XCHAL_HAVE_HIFI2EP 0 /* HiFi2EP */ +#define XCHAL_HAVE_HIFI_MINI 0 + + +#define XCHAL_HAVE_VECTORFPU2005 0 /* vector or user floating-point pkg */ +#define XCHAL_HAVE_USER_DPFPU 0 /* user DP floating-point pkg */ +#define XCHAL_HAVE_USER_SPFPU 0 /* user DP floating-point pkg */ +#define XCHAL_HAVE_FP 1 /* single prec floating point */ +#define XCHAL_HAVE_FP_DIV 1 /* FP with DIV instructions */ +#define XCHAL_HAVE_FP_RECIP 1 /* FP with RECIP instructions */ +#define XCHAL_HAVE_FP_SQRT 1 /* FP with SQRT instructions */ +#define XCHAL_HAVE_FP_RSQRT 1 /* FP with RSQRT instructions */ +#define XCHAL_HAVE_DFP 0 /* double precision FP pkg */ +#define XCHAL_HAVE_DFP_DIV 0 /* DFP with DIV instructions */ +#define XCHAL_HAVE_DFP_RECIP 0 /* DFP with RECIP instructions*/ +#define XCHAL_HAVE_DFP_SQRT 0 /* DFP with SQRT instructions */ +#define XCHAL_HAVE_DFP_RSQRT 0 /* DFP with RSQRT instructions*/ +#define XCHAL_HAVE_DFP_ACCEL 1 /* double precision FP acceleration pkg */ +#define XCHAL_HAVE_DFP_accel XCHAL_HAVE_DFP_ACCEL /* for backward compatibility */ + +#define XCHAL_HAVE_DFPU_SINGLE_ONLY 1 /* DFPU Coprocessor, single precision only */ +#define XCHAL_HAVE_DFPU_SINGLE_DOUBLE 0 /* DFPU Coprocessor, single and double precision */ +#define XCHAL_HAVE_VECTRA1 0 /* Vectra I pkg */ +#define XCHAL_HAVE_VECTRALX 0 /* Vectra LX pkg */ +#define XCHAL_HAVE_PDX4 0 /* PDX4 */ +#define XCHAL_HAVE_CONNXD2 0 /* ConnX D2 pkg */ +#define XCHAL_HAVE_CONNXD2_DUALLSFLIX 0 /* ConnX D2 & Dual LoadStore Flix */ +#define XCHAL_HAVE_BBE16 0 /* ConnX BBE16 pkg */ +#define XCHAL_HAVE_BBE16_RSQRT 0 /* BBE16 & vector recip sqrt */ +#define XCHAL_HAVE_BBE16_VECDIV 0 /* BBE16 & vector divide */ +#define XCHAL_HAVE_BBE16_DESPREAD 0 /* BBE16 & despread */ +#define XCHAL_HAVE_BBENEP 0 /* ConnX BBENEP pkgs */ +#define XCHAL_HAVE_BSP3 0 /* ConnX BSP3 pkg */ +#define XCHAL_HAVE_BSP3_TRANSPOSE 0 /* BSP3 & transpose32x32 */ +#define XCHAL_HAVE_SSP16 0 /* ConnX SSP16 pkg */ +#define XCHAL_HAVE_SSP16_VITERBI 0 /* SSP16 & viterbi */ +#define XCHAL_HAVE_TURBO16 0 /* ConnX Turbo16 pkg */ +#define XCHAL_HAVE_BBP16 0 /* ConnX BBP16 pkg */ +#define XCHAL_HAVE_FLIX3 0 /* basic 3-way FLIX option */ +#define XCHAL_HAVE_GRIVPEP 0 /* GRIVPEP is General Release of IVPEP */ +#define XCHAL_HAVE_GRIVPEP_HISTOGRAM 0 /* Histogram option on GRIVPEP */ + + +/*---------------------------------------------------------------------- + MISC + ----------------------------------------------------------------------*/ + +#define XCHAL_NUM_LOADSTORE_UNITS 1 /* load/store units */ +#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 */ +#define XCHAL_DATA_PIPE_DELAY 2 /* d-side pipeline delay + (1 = 5-stage, 2 = 7-stage) */ +#define XCHAL_CLOCK_GATING_GLOBAL 1 /* global clock gating */ +#define XCHAL_CLOCK_GATING_FUNCUNIT 1 /* funct. unit clock gating */ +/* In T1050, applies to selected core load and store instructions (see ISA): */ +#define XCHAL_UNALIGNED_LOAD_EXCEPTION 0 /* unaligned loads cause exc. */ +#define XCHAL_UNALIGNED_STORE_EXCEPTION 0 /* unaligned stores cause exc.*/ +#define XCHAL_UNALIGNED_LOAD_HW 1 /* unaligned loads work in hw */ +#define XCHAL_UNALIGNED_STORE_HW 1 /* unaligned stores work in hw*/ + +#define XCHAL_SW_VERSION 1100003 /* sw version of this header */ + +#define XCHAL_CORE_ID "esp32_v3_49_prod" /* alphanum core name + (CoreID) set in the Xtensa + Processor Generator */ + +#define XCHAL_BUILD_UNIQUE_ID 0x0005FE96 /* 22-bit sw build ID */ + +/* + * These definitions describe the hardware targeted by this software. + */ +#define XCHAL_HW_CONFIGID0 0xC2BCFFFE /* ConfigID hi 32 bits*/ +#define XCHAL_HW_CONFIGID1 0x1CC5FE96 /* ConfigID lo 32 bits*/ +#define XCHAL_HW_VERSION_NAME "LX6.0.3" /* full version name */ +#define XCHAL_HW_VERSION_MAJOR 2600 /* major ver# of targeted hw */ +#define XCHAL_HW_VERSION_MINOR 3 /* minor ver# of targeted hw */ +#define XCHAL_HW_VERSION 260003 /* major*100+minor */ +#define XCHAL_HW_REL_LX6 1 +#define XCHAL_HW_REL_LX6_0 1 +#define XCHAL_HW_REL_LX6_0_3 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 2600 /* major v of earliest tgt hw */ +#define XCHAL_HW_MIN_VERSION_MINOR 3 /* minor v of earliest tgt hw */ +#define XCHAL_HW_MIN_VERSION 260003 /* earliest targeted hw */ +#define XCHAL_HW_MAX_VERSION_MAJOR 2600 /* major v of latest tgt hw */ +#define XCHAL_HW_MAX_VERSION_MINOR 3 /* minor v of latest tgt hw */ +#define XCHAL_HW_MAX_VERSION 260003 /* latest targeted hw */ + + +/*---------------------------------------------------------------------- + CACHE + ----------------------------------------------------------------------*/ + +#define XCHAL_ICACHE_LINESIZE 4 /* I-cache line size in bytes */ +#define XCHAL_DCACHE_LINESIZE 4 /* D-cache line size in bytes */ +#define XCHAL_ICACHE_LINEWIDTH 2 /* log2(I line size in bytes) */ +#define XCHAL_DCACHE_LINEWIDTH 2 /* log2(D line size in bytes) */ + +#define XCHAL_ICACHE_SIZE 0 /* I-cache size in bytes or 0 */ +#define XCHAL_DCACHE_SIZE 0 /* D-cache size in bytes or 0 */ + +#define XCHAL_DCACHE_IS_WRITEBACK 0 /* writeback feature */ +#define XCHAL_DCACHE_IS_COHERENT 0 /* MP coherence feature */ + +#define XCHAL_HAVE_PREFETCH 0 /* PREFCTL register */ +#define XCHAL_HAVE_PREFETCH_L1 0 /* prefetch to L1 dcache */ +#define XCHAL_PREFETCH_CASTOUT_LINES 0 /* dcache pref. castout bufsz */ +#define XCHAL_PREFETCH_ENTRIES 0 /* cache prefetch entries */ +#define XCHAL_PREFETCH_BLOCK_ENTRIES 0 /* prefetch block streams */ +#define XCHAL_HAVE_CACHE_BLOCKOPS 0 /* block prefetch for caches */ +#define XCHAL_HAVE_ICACHE_TEST 0 /* Icache test instructions */ +#define XCHAL_HAVE_DCACHE_TEST 0 /* Dcache test instructions */ +#define XCHAL_HAVE_ICACHE_DYN_WAYS 0 /* Icache dynamic way support */ +#define XCHAL_HAVE_DCACHE_DYN_WAYS 0 /* Dcache dynamic way support */ + + + + +/**************************************************************************** + 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 */ +#define XCHAL_HAVE_AXI 0 /* AXI bus */ + +#define XCHAL_HAVE_PIF_WR_RESP 0 /* pif write response */ +#define XCHAL_HAVE_PIF_REQ_ATTR 0 /* pif attribute */ + +/* If present, cache size in bytes == (ways * 2^(linewidth + setwidth)). */ + +/* Number of cache sets in log2(lines per way): */ +#define XCHAL_ICACHE_SETWIDTH 0 +#define XCHAL_DCACHE_SETWIDTH 0 + +/* Cache set associativity (number of ways): */ +#define XCHAL_ICACHE_WAYS 1 +#define XCHAL_DCACHE_WAYS 1 + +/* 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 + +/* Cache access size in bytes (affects operation of SICW instruction): */ +#define XCHAL_ICACHE_ACCESS_SIZE 1 +#define XCHAL_DCACHE_ACCESS_SIZE 1 + +#define XCHAL_DCACHE_BANKS 0 /* number of banks */ + +/* Number of encoded cache attr bits (see for decoded bits): */ +#define XCHAL_CA_BITS 4 + + +/*---------------------------------------------------------------------- + INTERNAL I/D RAM/ROMs and XLMI + ----------------------------------------------------------------------*/ + +#define XCHAL_NUM_INSTROM 1 /* number of core instr. ROMs */ +#define XCHAL_NUM_INSTRAM 2 /* number of core instr. RAMs */ +#define XCHAL_NUM_DATAROM 1 /* number of core data ROMs */ +#define XCHAL_NUM_DATARAM 2 /* number of core data RAMs */ +#define XCHAL_NUM_URAM 0 /* number of core unified RAMs*/ +#define XCHAL_NUM_XLMI 1 /* number of core XLMI ports */ + +/* Instruction ROM 0: */ +#define XCHAL_INSTROM0_VADDR 0x40800000 /* virtual address */ +#define XCHAL_INSTROM0_PADDR 0x40800000 /* physical address */ +#define XCHAL_INSTROM0_SIZE 4194304 /* size in bytes */ +#define XCHAL_INSTROM0_ECC_PARITY 0 /* ECC/parity type, 0=none */ + +/* Instruction RAM 0: */ +#define XCHAL_INSTRAM0_VADDR 0x40000000 /* virtual address */ +#define XCHAL_INSTRAM0_PADDR 0x40000000 /* physical address */ +#define XCHAL_INSTRAM0_SIZE 4194304 /* size in bytes */ +#define XCHAL_INSTRAM0_ECC_PARITY 0 /* ECC/parity type, 0=none */ + +/* Instruction RAM 1: */ +#define XCHAL_INSTRAM1_VADDR 0x40400000 /* virtual address */ +#define XCHAL_INSTRAM1_PADDR 0x40400000 /* physical address */ +#define XCHAL_INSTRAM1_SIZE 4194304 /* size in bytes */ +#define XCHAL_INSTRAM1_ECC_PARITY 0 /* ECC/parity type, 0=none */ + +/* Data ROM 0: */ +#define XCHAL_DATAROM0_VADDR 0x3F400000 /* virtual address */ +#define XCHAL_DATAROM0_PADDR 0x3F400000 /* physical address */ +#define XCHAL_DATAROM0_SIZE 4194304 /* size in bytes */ +#define XCHAL_DATAROM0_ECC_PARITY 0 /* ECC/parity type, 0=none */ +#define XCHAL_DATAROM0_BANKS 1 /* number of banks */ + +/* Data RAM 0: */ +#define XCHAL_DATARAM0_VADDR 0x3FF80000 /* virtual address */ +#define XCHAL_DATARAM0_PADDR 0x3FF80000 /* physical address */ +#define XCHAL_DATARAM0_SIZE 524288 /* size in bytes */ +#define XCHAL_DATARAM0_ECC_PARITY 0 /* ECC/parity type, 0=none */ +#define XCHAL_DATARAM0_BANKS 1 /* number of banks */ + +/* Data RAM 1: */ +#define XCHAL_DATARAM1_VADDR 0x3F800000 /* virtual address */ +#define XCHAL_DATARAM1_PADDR 0x3F800000 /* physical address */ +#define XCHAL_DATARAM1_SIZE 4194304 /* size in bytes */ +#define XCHAL_DATARAM1_ECC_PARITY 0 /* ECC/parity type, 0=none */ +#define XCHAL_DATARAM1_BANKS 1 /* number of banks */ + +/* XLMI Port 0: */ +#define XCHAL_XLMI0_VADDR 0x3FF00000 /* virtual address */ +#define XCHAL_XLMI0_PADDR 0x3FF00000 /* physical address */ +#define XCHAL_XLMI0_SIZE 524288 /* size in bytes */ +#define XCHAL_XLMI0_ECC_PARITY 0 /* ECC/parity type, 0=none */ + +#define XCHAL_HAVE_IMEM_LOADSTORE 1 /* can load/store to IROM/IRAM*/ + + +/*---------------------------------------------------------------------- + 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 32 /* number of interrupts */ +#define XCHAL_NUM_INTERRUPTS_LOG2 5 /* ceil(log2(NUM_INTERRUPTS)) */ +#define XCHAL_NUM_EXTINTERRUPTS 26 /* 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 0x000637FF +#define XCHAL_INTLEVEL2_MASK 0x00380000 +#define XCHAL_INTLEVEL3_MASK 0x28C08800 +#define XCHAL_INTLEVEL4_MASK 0x53000000 +#define XCHAL_INTLEVEL5_MASK 0x84010000 +#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 0x000637FF +#define XCHAL_INTLEVEL2_ANDBELOW_MASK 0x003E37FF +#define XCHAL_INTLEVEL3_ANDBELOW_MASK 0x28FEBFFF +#define XCHAL_INTLEVEL4_ANDBELOW_MASK 0x7BFEBFFF +#define XCHAL_INTLEVEL5_ANDBELOW_MASK 0xFFFFBFFF +#define XCHAL_INTLEVEL6_ANDBELOW_MASK 0xFFFFBFFF +#define XCHAL_INTLEVEL7_ANDBELOW_MASK 0xFFFFFFFF + +/* 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 1 +#define XCHAL_INT9_LEVEL 1 +#define XCHAL_INT10_LEVEL 1 +#define XCHAL_INT11_LEVEL 3 +#define XCHAL_INT12_LEVEL 1 +#define XCHAL_INT13_LEVEL 1 +#define XCHAL_INT14_LEVEL 7 +#define XCHAL_INT15_LEVEL 3 +#define XCHAL_INT16_LEVEL 5 +#define XCHAL_INT17_LEVEL 1 +#define XCHAL_INT18_LEVEL 1 +#define XCHAL_INT19_LEVEL 2 +#define XCHAL_INT20_LEVEL 2 +#define XCHAL_INT21_LEVEL 2 +#define XCHAL_INT22_LEVEL 3 +#define XCHAL_INT23_LEVEL 3 +#define XCHAL_INT24_LEVEL 4 +#define XCHAL_INT25_LEVEL 4 +#define XCHAL_INT26_LEVEL 5 +#define XCHAL_INT27_LEVEL 3 +#define XCHAL_INT28_LEVEL 4 +#define XCHAL_INT29_LEVEL 3 +#define XCHAL_INT30_LEVEL 4 +#define XCHAL_INT31_LEVEL 5 +#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_EXTERN_EDGE +#define XCHAL_INT11_TYPE XTHAL_INTTYPE_PROFILING +#define XCHAL_INT12_TYPE XTHAL_INTTYPE_EXTERN_LEVEL +#define XCHAL_INT13_TYPE XTHAL_INTTYPE_EXTERN_LEVEL +#define XCHAL_INT14_TYPE XTHAL_INTTYPE_NMI +#define XCHAL_INT15_TYPE XTHAL_INTTYPE_TIMER +#define XCHAL_INT16_TYPE XTHAL_INTTYPE_TIMER +#define XCHAL_INT17_TYPE XTHAL_INTTYPE_EXTERN_LEVEL +#define XCHAL_INT18_TYPE XTHAL_INTTYPE_EXTERN_LEVEL +#define XCHAL_INT19_TYPE XTHAL_INTTYPE_EXTERN_LEVEL +#define XCHAL_INT20_TYPE XTHAL_INTTYPE_EXTERN_LEVEL +#define XCHAL_INT21_TYPE XTHAL_INTTYPE_EXTERN_LEVEL +#define XCHAL_INT22_TYPE XTHAL_INTTYPE_EXTERN_EDGE +#define XCHAL_INT23_TYPE XTHAL_INTTYPE_EXTERN_LEVEL +#define XCHAL_INT24_TYPE XTHAL_INTTYPE_EXTERN_LEVEL +#define XCHAL_INT25_TYPE XTHAL_INTTYPE_EXTERN_LEVEL +#define XCHAL_INT26_TYPE XTHAL_INTTYPE_EXTERN_LEVEL +#define XCHAL_INT27_TYPE XTHAL_INTTYPE_EXTERN_LEVEL +#define XCHAL_INT28_TYPE XTHAL_INTTYPE_EXTERN_EDGE +#define XCHAL_INT29_TYPE XTHAL_INTTYPE_SOFTWARE +#define XCHAL_INT30_TYPE XTHAL_INTTYPE_EXTERN_EDGE +#define XCHAL_INT31_TYPE XTHAL_INTTYPE_EXTERN_LEVEL + +/* Masks of interrupts for each type of interrupt: */ +#define XCHAL_INTTYPE_MASK_UNCONFIGURED 0x00000000 +#define XCHAL_INTTYPE_MASK_SOFTWARE 0x20000080 +#define XCHAL_INTTYPE_MASK_EXTERN_EDGE 0x50400400 +#define XCHAL_INTTYPE_MASK_EXTERN_LEVEL 0x8FBE333F +#define XCHAL_INTTYPE_MASK_TIMER 0x00018040 +#define XCHAL_INTTYPE_MASK_NMI 0x00004000 +#define XCHAL_INTTYPE_MASK_WRITE_ERROR 0x00000000 +#define XCHAL_INTTYPE_MASK_PROFILING 0x00000800 + +/* Interrupt numbers assigned to specific interrupt sources: */ +#define XCHAL_TIMER0_INTERRUPT 6 /* CCOMPARE0 */ +#define XCHAL_TIMER1_INTERRUPT 15 /* CCOMPARE1 */ +#define XCHAL_TIMER2_INTERRUPT 16 /* CCOMPARE2 */ +#define XCHAL_TIMER3_INTERRUPT XTHAL_TIMER_UNCONFIGURED +#define XCHAL_NMI_INTERRUPT 14 /* non-maskable interrupt */ +#define XCHAL_PROFILING_INTERRUPT 11 /* profiling interrupt */ + +/* Interrupt numbers for levels at which only one interrupt is configured: */ +#define XCHAL_INTLEVEL7_NUM 14 +/* (There are many interrupts each at level(s) 1, 2, 3, 4, 5.) */ + + +/* + * External interrupt mapping. + * These macros describe how Xtensa processor interrupt numbers + * (as numbered internally, eg. in INTERRUPT and INTENABLE registers) + * map to external BInterrupt 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 BInterrupt pin 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 1) */ +#define XCHAL_EXTINT7_NUM 9 /* (intlevel 1) */ +#define XCHAL_EXTINT8_NUM 10 /* (intlevel 1) */ +#define XCHAL_EXTINT9_NUM 12 /* (intlevel 1) */ +#define XCHAL_EXTINT10_NUM 13 /* (intlevel 1) */ +#define XCHAL_EXTINT11_NUM 14 /* (intlevel 7) */ +#define XCHAL_EXTINT12_NUM 17 /* (intlevel 1) */ +#define XCHAL_EXTINT13_NUM 18 /* (intlevel 1) */ +#define XCHAL_EXTINT14_NUM 19 /* (intlevel 2) */ +#define XCHAL_EXTINT15_NUM 20 /* (intlevel 2) */ +#define XCHAL_EXTINT16_NUM 21 /* (intlevel 2) */ +#define XCHAL_EXTINT17_NUM 22 /* (intlevel 3) */ +#define XCHAL_EXTINT18_NUM 23 /* (intlevel 3) */ +#define XCHAL_EXTINT19_NUM 24 /* (intlevel 4) */ +#define XCHAL_EXTINT20_NUM 25 /* (intlevel 4) */ +#define XCHAL_EXTINT21_NUM 26 /* (intlevel 5) */ +#define XCHAL_EXTINT22_NUM 27 /* (intlevel 3) */ +#define XCHAL_EXTINT23_NUM 28 /* (intlevel 4) */ +#define XCHAL_EXTINT24_NUM 30 /* (intlevel 4) */ +#define XCHAL_EXTINT25_NUM 31 /* (intlevel 5) */ +/* EXTERNAL BInterrupt pin numbers mapped to each core interrupt number: */ +#define XCHAL_INT0_EXTNUM 0 /* (intlevel 1) */ +#define XCHAL_INT1_EXTNUM 1 /* (intlevel 1) */ +#define XCHAL_INT2_EXTNUM 2 /* (intlevel 1) */ +#define XCHAL_INT3_EXTNUM 3 /* (intlevel 1) */ +#define XCHAL_INT4_EXTNUM 4 /* (intlevel 1) */ +#define XCHAL_INT5_EXTNUM 5 /* (intlevel 1) */ +#define XCHAL_INT8_EXTNUM 6 /* (intlevel 1) */ +#define XCHAL_INT9_EXTNUM 7 /* (intlevel 1) */ +#define XCHAL_INT10_EXTNUM 8 /* (intlevel 1) */ +#define XCHAL_INT12_EXTNUM 9 /* (intlevel 1) */ +#define XCHAL_INT13_EXTNUM 10 /* (intlevel 1) */ +#define XCHAL_INT14_EXTNUM 11 /* (intlevel 7) */ +#define XCHAL_INT17_EXTNUM 12 /* (intlevel 1) */ +#define XCHAL_INT18_EXTNUM 13 /* (intlevel 1) */ +#define XCHAL_INT19_EXTNUM 14 /* (intlevel 2) */ +#define XCHAL_INT20_EXTNUM 15 /* (intlevel 2) */ +#define XCHAL_INT21_EXTNUM 16 /* (intlevel 2) */ +#define XCHAL_INT22_EXTNUM 17 /* (intlevel 3) */ +#define XCHAL_INT23_EXTNUM 18 /* (intlevel 3) */ +#define XCHAL_INT24_EXTNUM 19 /* (intlevel 4) */ +#define XCHAL_INT25_EXTNUM 20 /* (intlevel 4) */ +#define XCHAL_INT26_EXTNUM 21 /* (intlevel 5) */ +#define XCHAL_INT27_EXTNUM 22 /* (intlevel 3) */ +#define XCHAL_INT28_EXTNUM 23 /* (intlevel 4) */ +#define XCHAL_INT30_EXTNUM 24 /* (intlevel 4) */ +#define XCHAL_INT31_EXTNUM 25 /* (intlevel 5) */ + + +/*---------------------------------------------------------------------- + EXCEPTIONS and VECTORS + ----------------------------------------------------------------------*/ + +#define XCHAL_XEA_VERSION 2 /* Xtensa Exception Architecture + number: 1 == XEA1 (old) + 2 == XEA2 (new) + 0 == XEAX (extern) or TX */ +#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_HALT 0 /* halt architecture option */ +#define XCHAL_HAVE_BOOTLOADER 0 /* boot loader (for TX) */ +#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 0x40000000 /* VECBASE reset value */ +#define XCHAL_VECBASE_RESET_PADDR 0x40000000 +#define XCHAL_RESET_VECBASE_OVERLAP 0 + +#define XCHAL_RESET_VECTOR0_VADDR 0x50000000 +#define XCHAL_RESET_VECTOR0_PADDR 0x50000000 +#define XCHAL_RESET_VECTOR1_VADDR 0x40000400 +#define XCHAL_RESET_VECTOR1_PADDR 0x40000400 +#define XCHAL_RESET_VECTOR_VADDR 0x40000400 +#define XCHAL_RESET_VECTOR_PADDR 0x40000400 +#define XCHAL_USER_VECOFS 0x00000340 +#define XCHAL_USER_VECTOR_VADDR 0x40000340 +#define XCHAL_USER_VECTOR_PADDR 0x40000340 +#define XCHAL_KERNEL_VECOFS 0x00000300 +#define XCHAL_KERNEL_VECTOR_VADDR 0x40000300 +#define XCHAL_KERNEL_VECTOR_PADDR 0x40000300 +#define XCHAL_DOUBLEEXC_VECOFS 0x000003C0 +#define XCHAL_DOUBLEEXC_VECTOR_VADDR 0x400003C0 +#define XCHAL_DOUBLEEXC_VECTOR_PADDR 0x400003C0 +#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 0x40000000 +#define XCHAL_WINDOW_VECTORS_PADDR 0x40000000 +#define XCHAL_INTLEVEL2_VECOFS 0x00000180 +#define XCHAL_INTLEVEL2_VECTOR_VADDR 0x40000180 +#define XCHAL_INTLEVEL2_VECTOR_PADDR 0x40000180 +#define XCHAL_INTLEVEL3_VECOFS 0x000001C0 +#define XCHAL_INTLEVEL3_VECTOR_VADDR 0x400001C0 +#define XCHAL_INTLEVEL3_VECTOR_PADDR 0x400001C0 +#define XCHAL_INTLEVEL4_VECOFS 0x00000200 +#define XCHAL_INTLEVEL4_VECTOR_VADDR 0x40000200 +#define XCHAL_INTLEVEL4_VECTOR_PADDR 0x40000200 +#define XCHAL_INTLEVEL5_VECOFS 0x00000240 +#define XCHAL_INTLEVEL5_VECTOR_VADDR 0x40000240 +#define XCHAL_INTLEVEL5_VECTOR_PADDR 0x40000240 +#define XCHAL_INTLEVEL6_VECOFS 0x00000280 +#define XCHAL_INTLEVEL6_VECTOR_VADDR 0x40000280 +#define XCHAL_INTLEVEL6_VECTOR_PADDR 0x40000280 +#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 0x400002C0 +#define XCHAL_NMI_VECTOR_PADDR 0x400002C0 +#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 MODULE + ----------------------------------------------------------------------*/ + +/* Misc */ +#define XCHAL_HAVE_DEBUG_ERI 1 /* ERI to debug module */ +#define XCHAL_HAVE_DEBUG_APB 1 /* APB to debug module */ +#define XCHAL_HAVE_DEBUG_JTAG 1 /* JTAG to debug module */ + +/* On-Chip Debug (OCD) */ +#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 0 /* faster OCD option (to LX4) */ +#define XCHAL_HAVE_OCD_LS32DDR 1 /* L32DDR/S32DDR (faster OCD) */ + +/* TRAX (in core) */ +#define XCHAL_HAVE_TRAX 1 /* TRAX in debug module */ +#define XCHAL_TRAX_MEM_SIZE 16384 /* TRAX memory size in bytes */ +#define XCHAL_TRAX_MEM_SHAREABLE 1 /* start/end regs; ready sig. */ +#define XCHAL_TRAX_ATB_WIDTH 32 /* ATB width (bits), 0=no ATB */ +#define XCHAL_TRAX_TIME_WIDTH 0 /* timestamp bitwidth, 0=none */ + +/* Perf counters */ +#define XCHAL_NUM_PERF_COUNTERS 2 /* performance counters */ + + +/*---------------------------------------------------------------------- + MMU + ----------------------------------------------------------------------*/ + +/* See core-matmap.h header file for more details. */ + +#define XCHAL_HAVE_TLBS 1 /* inverse of HAVE_CACHEATTR */ +#define XCHAL_HAVE_SPANNING_WAY 1 /* one way maps I+D 4GB vaddr */ +#define XCHAL_SPANNING_WAY 0 /* TLB spanning way number */ +#define XCHAL_HAVE_IDENTITY_MAP 1 /* vaddr == paddr always */ +#define XCHAL_HAVE_CACHEATTR 0 /* CACHEATTR register present */ +#define XCHAL_HAVE_MIMIC_CACHEATTR 1 /* region protection */ +#define XCHAL_HAVE_XLT_CACHEATTR 0 /* region prot. w/translation */ +#define XCHAL_HAVE_PTP_MMU 0 /* 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_MMU_ASID_BITS 0 /* number of bits in ASIDs */ +#define XCHAL_MMU_RINGS 1 /* number of rings (1..4) */ +#define XCHAL_MMU_RING_BITS 0 /* num of bits in RING field */ + +#endif /* !XTENSA_HAL_NON_PRIVILEGED_ONLY */ + + +#endif /* _XTENSA_CORE_CONFIGURATION_H */ + diff --git a/arch/xtensa/variants/esp32/include/variant/tie-asm.h b/arch/xtensa/variants/esp32/include/variant/tie-asm.h new file mode 100644 index 000000000000..831d8676ae2c --- /dev/null +++ b/arch/xtensa/variants/esp32/include/variant/tie-asm.h @@ -0,0 +1,323 @@ +/* + * tie-asm.h -- compile-time HAL assembler definitions dependent on CORE & TIE + * + * NOTE: This header file is not meant to be included directly. + */ + +/* This header file contains assembly-language definitions (assembly + macros, etc.) for this specific Xtensa processor's TIE extensions + and options. It is customized to this Xtensa processor configuration. + + Customer ID=11657; Build=0x5fe96; Copyright (c) 1999-2016 Cadence Design Systems Inc. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#ifndef _XTENSA_CORE_TIE_ASM_H +#define _XTENSA_CORE_TIE_ASM_H + +/* Selection parameter values for save-area save/restore macros: */ +/* Option vs. TIE: */ +#define XTHAL_SAS_TIE 0x0001 /* custom extension or coprocessor */ +#define XTHAL_SAS_OPT 0x0002 /* optional (and not a coprocessor) */ +#define XTHAL_SAS_ANYOT 0x0003 /* both of the above */ +/* Whether used automatically by compiler: */ +#define XTHAL_SAS_NOCC 0x0004 /* not used by compiler w/o special opts/code */ +#define XTHAL_SAS_CC 0x0008 /* used by compiler without special opts/code */ +#define XTHAL_SAS_ANYCC 0x000C /* both of the above */ +/* ABI handling across function calls: */ +#define XTHAL_SAS_CALR 0x0010 /* caller-saved */ +#define XTHAL_SAS_CALE 0x0020 /* callee-saved */ +#define XTHAL_SAS_GLOB 0x0040 /* global across function calls (in thread) */ +#define XTHAL_SAS_ANYABI 0x0070 /* all of the above three */ +/* Misc */ +#define XTHAL_SAS_ALL 0xFFFF /* include all default NCP contents */ +#define XTHAL_SAS3(optie,ccuse,abi) ( ((optie) & XTHAL_SAS_ANYOT) \ + | ((ccuse) & XTHAL_SAS_ANYCC) \ + | ((abi) & XTHAL_SAS_ANYABI) ) + + + /* + * Macro to store all non-coprocessor (extra) custom TIE and optional state + * (not including zero-overhead loop registers). + * Required parameters: + * ptr Save area pointer address register (clobbered) + * (register must contain a 4 byte aligned address). + * at1..at4 Four temporary address registers (first XCHAL_NCP_NUM_ATMPS + * registers are clobbered, the remaining are unused). + * Optional parameters: + * continue If macro invoked as part of a larger store sequence, set to 1 + * if this is not the first in the sequence. Defaults to 0. + * ofs Offset from start of larger sequence (from value of first ptr + * in sequence) at which to store. Defaults to next available space + * (or 0 if is 0). + * select Select what category(ies) of registers to store, as a bitmask + * (see XTHAL_SAS_xxx constants). Defaults to all registers. + * alloc Select what category(ies) of registers to allocate; if any + * category is selected here that is not in , space for + * the corresponding registers is skipped without doing any load. + */ + .macro xchal_ncp_load ptr at1 at2 at3 at4 continue=0 ofs=-1 select=XTHAL_SAS_ALL alloc=0 + xchal_sa_start \continue, \ofs + // Optional global registers used by default by the compiler: + .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_GLOB) & ~(\select) + xchal_sa_align \ptr, 0, 1016, 4, 4 + l32i \at1, \ptr, .Lxchal_ofs_+0 + wur.THREADPTR \at1 // threadptr option + .set .Lxchal_ofs_, .Lxchal_ofs_ + 4 + .elseif ((XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_GLOB) & ~(\alloc)) == 0 + xchal_sa_align \ptr, 0, 1016, 4, 4 + .set .Lxchal_ofs_, .Lxchal_ofs_ + 4 + .endif + // Optional caller-saved registers used by default by the compiler: + .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_CALR) & ~(\select) + xchal_sa_align \ptr, 0, 1012, 4, 4 + l32i \at1, \ptr, .Lxchal_ofs_+0 + wsr.ACCLO \at1 // MAC16 option + l32i \at1, \ptr, .Lxchal_ofs_+4 + wsr.ACCHI \at1 // MAC16 option + .set .Lxchal_ofs_, .Lxchal_ofs_ + 8 + .elseif ((XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_CALR) & ~(\alloc)) == 0 + xchal_sa_align \ptr, 0, 1012, 4, 4 + .set .Lxchal_ofs_, .Lxchal_ofs_ + 8 + .endif + // Optional caller-saved registers not used by default by the compiler: + .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\select) + xchal_sa_align \ptr, 0, 996, 4, 4 + l32i \at1, \ptr, .Lxchal_ofs_+0 + wsr.BR \at1 // boolean option + l32i \at1, \ptr, .Lxchal_ofs_+4 + wsr.SCOMPARE1 \at1 // conditional store option + l32i \at1, \ptr, .Lxchal_ofs_+8 + wsr.M0 \at1 // MAC16 option + l32i \at1, \ptr, .Lxchal_ofs_+12 + wsr.M1 \at1 // MAC16 option + l32i \at1, \ptr, .Lxchal_ofs_+16 + wsr.M2 \at1 // MAC16 option + l32i \at1, \ptr, .Lxchal_ofs_+20 + wsr.M3 \at1 // MAC16 option + .set .Lxchal_ofs_, .Lxchal_ofs_ + 24 + .elseif ((XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\alloc)) == 0 + xchal_sa_align \ptr, 0, 996, 4, 4 + .set .Lxchal_ofs_, .Lxchal_ofs_ + 24 + .endif + // Custom caller-saved registers not used by default by the compiler: + .ifeq (XTHAL_SAS_TIE | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\select) + xchal_sa_align \ptr, 0, 1008, 4, 4 + l32i \at1, \ptr, .Lxchal_ofs_+0 + wur.F64R_LO \at1 // ureg 234 + l32i \at1, \ptr, .Lxchal_ofs_+4 + wur.F64R_HI \at1 // ureg 235 + l32i \at1, \ptr, .Lxchal_ofs_+8 + wur.F64S \at1 // ureg 236 + .set .Lxchal_ofs_, .Lxchal_ofs_ + 12 + .elseif ((XTHAL_SAS_TIE | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\alloc)) == 0 + xchal_sa_align \ptr, 0, 1008, 4, 4 + .set .Lxchal_ofs_, .Lxchal_ofs_ + 12 + .endif + .endm // xchal_ncp_load + + +#define XCHAL_NCP_NUM_ATMPS 1 + + /* + * Macro to store the state of TIE coprocessor FPU. + * Required parameters: + * ptr Save area pointer address register (clobbered) + * (register must contain a 4 byte aligned address). + * at1..at4 Four temporary address registers (first XCHAL_CP0_NUM_ATMPS + * registers are clobbered, the remaining are unused). + * Optional parameters are the same as for xchal_ncp_store. + */ +#define xchal_cp_FPU_store xchal_cp0_store + .macro xchal_cp0_store ptr at1 at2 at3 at4 continue=0 ofs=-1 select=XTHAL_SAS_ALL alloc=0 + xchal_sa_start \continue, \ofs + // Custom caller-saved registers not used by default by the compiler: + .ifeq (XTHAL_SAS_TIE | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\select) + xchal_sa_align \ptr, 0, 948, 4, 4 + rur.FCR \at1 // ureg 232 + s32i \at1, \ptr, .Lxchal_ofs_+0 + rur.FSR \at1 // ureg 233 + s32i \at1, \ptr, .Lxchal_ofs_+4 + ssi f0, \ptr, .Lxchal_ofs_+8 + ssi f1, \ptr, .Lxchal_ofs_+12 + ssi f2, \ptr, .Lxchal_ofs_+16 + ssi f3, \ptr, .Lxchal_ofs_+20 + ssi f4, \ptr, .Lxchal_ofs_+24 + ssi f5, \ptr, .Lxchal_ofs_+28 + ssi f6, \ptr, .Lxchal_ofs_+32 + ssi f7, \ptr, .Lxchal_ofs_+36 + ssi f8, \ptr, .Lxchal_ofs_+40 + ssi f9, \ptr, .Lxchal_ofs_+44 + ssi f10, \ptr, .Lxchal_ofs_+48 + ssi f11, \ptr, .Lxchal_ofs_+52 + ssi f12, \ptr, .Lxchal_ofs_+56 + ssi f13, \ptr, .Lxchal_ofs_+60 + ssi f14, \ptr, .Lxchal_ofs_+64 + ssi f15, \ptr, .Lxchal_ofs_+68 + .set .Lxchal_ofs_, .Lxchal_ofs_ + 72 + .elseif ((XTHAL_SAS_TIE | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\alloc)) == 0 + xchal_sa_align \ptr, 0, 948, 4, 4 + .set .Lxchal_ofs_, .Lxchal_ofs_ + 72 + .endif + .endm // xchal_cp0_store + + /* + * Macro to load the state of TIE coprocessor FPU. + * Required parameters: + * ptr Save area pointer address register (clobbered) + * (register must contain a 4 byte aligned address). + * at1..at4 Four temporary address registers (first XCHAL_CP0_NUM_ATMPS + * registers are clobbered, the remaining are unused). + * Optional parameters are the same as for xchal_ncp_load. + */ +#define xchal_cp_FPU_load xchal_cp0_load + .macro xchal_cp0_load ptr at1 at2 at3 at4 continue=0 ofs=-1 select=XTHAL_SAS_ALL alloc=0 + xchal_sa_start \continue, \ofs + // Custom caller-saved registers not used by default by the compiler: + .ifeq (XTHAL_SAS_TIE | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\select) + xchal_sa_align \ptr, 0, 948, 4, 4 + l32i \at1, \ptr, .Lxchal_ofs_+0 + wur.FCR \at1 // ureg 232 + l32i \at1, \ptr, .Lxchal_ofs_+4 + wur.FSR \at1 // ureg 233 + lsi f0, \ptr, .Lxchal_ofs_+8 + lsi f1, \ptr, .Lxchal_ofs_+12 + lsi f2, \ptr, .Lxchal_ofs_+16 + lsi f3, \ptr, .Lxchal_ofs_+20 + lsi f4, \ptr, .Lxchal_ofs_+24 + lsi f5, \ptr, .Lxchal_ofs_+28 + lsi f6, \ptr, .Lxchal_ofs_+32 + lsi f7, \ptr, .Lxchal_ofs_+36 + lsi f8, \ptr, .Lxchal_ofs_+40 + lsi f9, \ptr, .Lxchal_ofs_+44 + lsi f10, \ptr, .Lxchal_ofs_+48 + lsi f11, \ptr, .Lxchal_ofs_+52 + lsi f12, \ptr, .Lxchal_ofs_+56 + lsi f13, \ptr, .Lxchal_ofs_+60 + lsi f14, \ptr, .Lxchal_ofs_+64 + lsi f15, \ptr, .Lxchal_ofs_+68 + .set .Lxchal_ofs_, .Lxchal_ofs_ + 72 + .elseif ((XTHAL_SAS_TIE | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\alloc)) == 0 + xchal_sa_align \ptr, 0, 948, 4, 4 + .set .Lxchal_ofs_, .Lxchal_ofs_ + 72 + .endif + .endm // xchal_cp0_load + +#define XCHAL_CP0_NUM_ATMPS 1 +#define XCHAL_SA_NUM_ATMPS 1 + + /* Empty macros for unconfigured coprocessors: */ + .macro xchal_cp1_store p a b c d continue=0 ofs=-1 select=-1 ; .endm + .macro xchal_cp1_load p a b c d continue=0 ofs=-1 select=-1 ; .endm + .macro xchal_cp2_store p a b c d continue=0 ofs=-1 select=-1 ; .endm + .macro xchal_cp2_load p a b c d continue=0 ofs=-1 select=-1 ; .endm + .macro xchal_cp3_store p a b c d continue=0 ofs=-1 select=-1 ; .endm + .macro xchal_cp3_load p a b c d continue=0 ofs=-1 select=-1 ; .endm + .macro xchal_cp4_store p a b c d continue=0 ofs=-1 select=-1 ; .endm + .macro xchal_cp4_load p a b c d continue=0 ofs=-1 select=-1 ; .endm + .macro xchal_cp5_store p a b c d continue=0 ofs=-1 select=-1 ; .endm + .macro xchal_cp5_load p a b c d continue=0 ofs=-1 select=-1 ; .endm + .macro xchal_cp6_store p a b c d continue=0 ofs=-1 select=-1 ; .endm + .macro xchal_cp6_load p a b c d continue=0 ofs=-1 select=-1 ; .endm + .macro xchal_cp7_store p a b c d continue=0 ofs=-1 select=-1 ; .endm + .macro xchal_cp7_load p a b c d continue=0 ofs=-1 select=-1 ; .endm + +#endif /*_XTENSA_CORE_TIE_ASM_H*/ + diff --git a/arch/xtensa/variants/esp32/include/variant/tie.h b/arch/xtensa/variants/esp32/include/variant/tie.h new file mode 100644 index 000000000000..e178799708e2 --- /dev/null +++ b/arch/xtensa/variants/esp32/include/variant/tie.h @@ -0,0 +1,182 @@ +/* + * tie.h -- compile-time HAL definitions dependent on CORE & TIE configuration + * + * NOTE: This header file is not meant to be included directly. + */ + +/* This header file describes this specific Xtensa processor's TIE extensions + that extend basic Xtensa core functionality. It is customized to this + Xtensa processor configuration. + + Customer ID=11657; Build=0x5fe96; Copyright (c) 1999-2016 Cadence Design Systems Inc. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#ifndef _XTENSA_CORE_TIE_H +#define _XTENSA_CORE_TIE_H + +#define XCHAL_CP_NUM 1 /* number of coprocessors */ +#define XCHAL_CP_MAX 1 /* max CP ID + 1 (0 if none) */ +#define XCHAL_CP_MASK 0x01 /* bitmask of all CPs by ID */ +#define XCHAL_CP_PORT_MASK 0x00 /* bitmask of only port CPs */ + +/* Basic parameters of each coprocessor: */ +#define XCHAL_CP0_NAME "FPU" +#define XCHAL_CP0_IDENT FPU +#define XCHAL_CP0_SA_SIZE 72 /* size of state save area */ +#define XCHAL_CP0_SA_ALIGN 4 /* min alignment of save area */ +#define XCHAL_CP_ID_FPU 0 /* coprocessor ID (0..7) */ + +/* Filler info for unassigned coprocessors, to simplify arrays etc: */ +#define XCHAL_CP1_SA_SIZE 0 +#define XCHAL_CP1_SA_ALIGN 1 +#define XCHAL_CP2_SA_SIZE 0 +#define XCHAL_CP2_SA_ALIGN 1 +#define XCHAL_CP3_SA_SIZE 0 +#define XCHAL_CP3_SA_ALIGN 1 +#define XCHAL_CP4_SA_SIZE 0 +#define XCHAL_CP4_SA_ALIGN 1 +#define XCHAL_CP5_SA_SIZE 0 +#define XCHAL_CP5_SA_ALIGN 1 +#define XCHAL_CP6_SA_SIZE 0 +#define XCHAL_CP6_SA_ALIGN 1 +#define XCHAL_CP7_SA_SIZE 0 +#define XCHAL_CP7_SA_ALIGN 1 + +/* Save area for non-coprocessor optional and custom (TIE) state: */ +#define XCHAL_NCP_SA_SIZE 48 +#define XCHAL_NCP_SA_ALIGN 4 + +/* Total save area for optional and custom state (NCP + CPn): */ +#define XCHAL_TOTAL_SA_SIZE 128 /* with 16-byte align padding */ +#define XCHAL_TOTAL_SA_ALIGN 4 /* actual minimum alignment */ + +/* + * Detailed contents of save areas. + * NOTE: caller must define the XCHAL_SA_REG macro (not defined here) + * before expanding the XCHAL_xxx_SA_LIST() macros. + * + * XCHAL_SA_REG(s,ccused,abikind,kind,opt,name,galign,align,asize, + * dbnum,base,regnum,bitsz,gapsz,reset,x...) + * + * s = passed from XCHAL_*_LIST(s), eg. to select how to expand + * ccused = set if used by compiler without special options or code + * abikind = 0 (caller-saved), 1 (callee-saved), or 2 (thread-global) + * kind = 0 (special reg), 1 (TIE user reg), or 2 (TIE regfile reg) + * opt = 0 (custom TIE extension or coprocessor), or 1 (optional reg) + * name = lowercase reg name (no quotes) + * galign = group byte alignment (power of 2) (galign >= align) + * align = register byte alignment (power of 2) + * asize = allocated size in bytes (asize*8 == bitsz + gapsz + padsz) + * (not including any pad bytes required to galign this or next reg) + * dbnum = unique target number f/debug (see ) + * base = reg shortname w/o index (or sr=special, ur=TIE user reg) + * regnum = reg index in regfile, or special/TIE-user reg number + * bitsz = number of significant bits (regfile width, or ur/sr mask bits) + * gapsz = intervening bits, if bitsz bits not stored contiguously + * (padsz = pad bits at end [TIE regfile] or at msbits [ur,sr] of asize) + * reset = register reset value (or 0 if undefined at reset) + * x = reserved for future use (0 until then) + * + * To filter out certain registers, e.g. to expand only the non-global + * registers used by the compiler, you can do something like this: + * + * #define XCHAL_SA_REG(s,ccused,p...) SELCC##ccused(p) + * #define SELCC0(p...) + * #define SELCC1(abikind,p...) SELAK##abikind(p) + * #define SELAK0(p...) REG(p) + * #define SELAK1(p...) REG(p) + * #define SELAK2(p...) + * #define REG(kind,tie,name,galn,aln,asz,csz,dbnum,base,rnum,bsz,rst,x...) \ + * ...what you want to expand... + */ + +#define XCHAL_NCP_SA_NUM 12 +#define XCHAL_NCP_SA_LIST(s) \ + XCHAL_SA_REG(s,1,2,1,1, threadptr, 4, 4, 4,0x03E7, ur,231, 32,0,0,0) \ + XCHAL_SA_REG(s,1,0,0,1, acclo, 4, 4, 4,0x0210, sr,16 , 32,0,0,0) \ + XCHAL_SA_REG(s,1,0,0,1, acchi, 4, 4, 4,0x0211, sr,17 , 8,0,0,0) \ + XCHAL_SA_REG(s,0,0,0,1, br, 4, 4, 4,0x0204, sr,4 , 16,0,0,0) \ + XCHAL_SA_REG(s,0,0,0,1, scompare1, 4, 4, 4,0x020C, sr,12 , 32,0,0,0) \ + XCHAL_SA_REG(s,0,0,0,1, m0, 4, 4, 4,0x0220, sr,32 , 32,0,0,0) \ + XCHAL_SA_REG(s,0,0,0,1, m1, 4, 4, 4,0x0221, sr,33 , 32,0,0,0) \ + XCHAL_SA_REG(s,0,0,0,1, m2, 4, 4, 4,0x0222, sr,34 , 32,0,0,0) \ + XCHAL_SA_REG(s,0,0,0,1, m3, 4, 4, 4,0x0223, sr,35 , 32,0,0,0) \ + XCHAL_SA_REG(s,0,0,1,0, f64r_lo, 4, 4, 4,0x03EA, ur,234, 32,0,0,0) \ + XCHAL_SA_REG(s,0,0,1,0, f64r_hi, 4, 4, 4,0x03EB, ur,235, 32,0,0,0) \ + XCHAL_SA_REG(s,0,0,1,0, f64s, 4, 4, 4,0x03EC, ur,236, 32,0,0,0) + +#define XCHAL_CP0_SA_NUM 18 +#define XCHAL_CP0_SA_LIST(s) \ + XCHAL_SA_REG(s,0,0,1,0, fcr, 4, 4, 4,0x03E8, ur,232, 32,0,0,0) \ + XCHAL_SA_REG(s,0,0,1,0, fsr, 4, 4, 4,0x03E9, ur,233, 32,0,0,0) \ + XCHAL_SA_REG(s,0,0,2,0, f0, 4, 4, 4,0x0030, f,0 , 32,0,0,0) \ + XCHAL_SA_REG(s,0,0,2,0, f1, 4, 4, 4,0x0031, f,1 , 32,0,0,0) \ + XCHAL_SA_REG(s,0,0,2,0, f2, 4, 4, 4,0x0032, f,2 , 32,0,0,0) \ + XCHAL_SA_REG(s,0,0,2,0, f3, 4, 4, 4,0x0033, f,3 , 32,0,0,0) \ + XCHAL_SA_REG(s,0,0,2,0, f4, 4, 4, 4,0x0034, f,4 , 32,0,0,0) \ + XCHAL_SA_REG(s,0,0,2,0, f5, 4, 4, 4,0x0035, f,5 , 32,0,0,0) \ + XCHAL_SA_REG(s,0,0,2,0, f6, 4, 4, 4,0x0036, f,6 , 32,0,0,0) \ + XCHAL_SA_REG(s,0,0,2,0, f7, 4, 4, 4,0x0037, f,7 , 32,0,0,0) \ + XCHAL_SA_REG(s,0,0,2,0, f8, 4, 4, 4,0x0038, f,8 , 32,0,0,0) \ + XCHAL_SA_REG(s,0,0,2,0, f9, 4, 4, 4,0x0039, f,9 , 32,0,0,0) \ + XCHAL_SA_REG(s,0,0,2,0, f10, 4, 4, 4,0x003A, f,10 , 32,0,0,0) \ + XCHAL_SA_REG(s,0,0,2,0, f11, 4, 4, 4,0x003B, f,11 , 32,0,0,0) \ + XCHAL_SA_REG(s,0,0,2,0, f12, 4, 4, 4,0x003C, f,12 , 32,0,0,0) \ + XCHAL_SA_REG(s,0,0,2,0, f13, 4, 4, 4,0x003D, f,13 , 32,0,0,0) \ + XCHAL_SA_REG(s,0,0,2,0, f14, 4, 4, 4,0x003E, f,14 , 32,0,0,0) \ + XCHAL_SA_REG(s,0,0,2,0, f15, 4, 4, 4,0x003F, f,15 , 32,0,0,0) + +#define XCHAL_CP1_SA_NUM 0 +#define XCHAL_CP1_SA_LIST(s) /* empty */ + +#define XCHAL_CP2_SA_NUM 0 +#define XCHAL_CP2_SA_LIST(s) /* empty */ + +#define XCHAL_CP3_SA_NUM 0 +#define XCHAL_CP3_SA_LIST(s) /* empty */ + +#define XCHAL_CP4_SA_NUM 0 +#define XCHAL_CP4_SA_LIST(s) /* empty */ + +#define XCHAL_CP5_SA_NUM 0 +#define XCHAL_CP5_SA_LIST(s) /* empty */ + +#define XCHAL_CP6_SA_NUM 0 +#define XCHAL_CP6_SA_LIST(s) /* empty */ + +#define XCHAL_CP7_SA_NUM 0 +#define XCHAL_CP7_SA_LIST(s) /* empty */ + +/* Byte length of instruction from its first nibble (op0 field), per FLIX. */ +#define XCHAL_OP0_FORMAT_LENGTHS 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3 +/* Byte length of instruction from its first byte, per FLIX. */ +#define XCHAL_BYTE0_FORMAT_LENGTHS \ + 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3, 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3,\ + 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3, 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3,\ + 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3, 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3,\ + 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3, 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3,\ + 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3, 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3,\ + 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3, 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3,\ + 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3, 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3,\ + 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3, 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3 + +#endif /*_XTENSA_CORE_TIE_H*/ +