/* * xtensa/config/core.h -- HAL definitions dependent on CORE configuration * * This header file is sometimes referred to as the "compile-time HAL" or CHAL. * It pulls definitions tailored for a specific Xtensa processor configuration. * * Sources for binaries meant to be configuration-independent generally avoid * including this file (they may use the configuration-specific HAL library). * It is normal for the HAL library source itself to include this file. */ /* * Copyright (c) 2005-2014 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_CONFIG_CORE_H #define XTENSA_CONFIG_CORE_H /* CONFIGURATION INDEPENDENT DEFINITIONS: */ #ifdef __XTENSA__ #include #include #else #include "../hal.h" #include "../xtensa-versions.h" #endif /* CONFIGURATION SPECIFIC DEFINITIONS: */ #ifdef __XTENSA__ #include #include #include #else #include "core-isa.h" #include "core-matmap.h" #include "tie.h" #endif #if defined (_ASMLANGUAGE) || defined (__ASSEMBLER__) #ifdef __XTENSA__ #include #else #include "tie-asm.h" #endif #endif /*_ASMLANGUAGE or __ASSEMBLER__*/ /*---------------------------------------------------------------------- GENERAL ----------------------------------------------------------------------*/ /* * Separators for macros that expand into arrays. * These can be predefined by files that #include this one, * when different separators are required. */ /* Element separator for macros that expand into 1-dimensional arrays: */ #ifndef XCHAL_SEP #define XCHAL_SEP , #endif /* Array separator for macros that expand into 2-dimensional arrays: */ #ifndef XCHAL_SEP2 #define XCHAL_SEP2 },{ #endif /*---------------------------------------------------------------------- ISA ----------------------------------------------------------------------*/ #if XCHAL_HAVE_BE # define XCHAL_HAVE_LE 0 # define XCHAL_MEMORY_ORDER XTHAL_BIGENDIAN #else # define XCHAL_HAVE_LE 1 # define XCHAL_MEMORY_ORDER XTHAL_LITTLEENDIAN #endif /*---------------------------------------------------------------------- INTERRUPTS ----------------------------------------------------------------------*/ /* Indexing macros: */ #define _XCHAL_INTLEVEL_MASK(n) XCHAL_INTLEVEL ## n ## _MASK #define XCHAL_INTLEVEL_MASK(n) _XCHAL_INTLEVEL_MASK(n) /* n = 0 .. 15 */ #define _XCHAL_INTLEVEL_ANDBELOWMASK(n) XCHAL_INTLEVEL ## n ## _ANDBELOW_MASK #define XCHAL_INTLEVEL_ANDBELOW_MASK(n) _XCHAL_INTLEVEL_ANDBELOWMASK(n) /* n = 0 .. 15 */ #define _XCHAL_INTLEVEL_NUM(n) XCHAL_INTLEVEL ## n ## _NUM #define XCHAL_INTLEVEL_NUM(n) _XCHAL_INTLEVEL_NUM(n) /* n = 0 .. 15 */ #define _XCHAL_INT_LEVEL(n) XCHAL_INT ## n ## _LEVEL #define XCHAL_INT_LEVEL(n) _XCHAL_INT_LEVEL(n) /* n = 0 .. 31 */ #define _XCHAL_INT_TYPE(n) XCHAL_INT ## n ## _TYPE #define XCHAL_INT_TYPE(n) _XCHAL_INT_TYPE(n) /* n = 0 .. 31 */ #define _XCHAL_TIMER_INTERRUPT(n) XCHAL_TIMER ## n ## _INTERRUPT #define XCHAL_TIMER_INTERRUPT(n) _XCHAL_TIMER_INTERRUPT(n) /* n = 0 .. 3 */ #define XCHAL_HAVE_HIGHLEVEL_INTERRUPTS XCHAL_HAVE_HIGHPRI_INTERRUPTS #define XCHAL_NUM_LOWPRI_LEVELS 1 /* number of low-priority interrupt levels (always 1) */ #define XCHAL_FIRST_HIGHPRI_LEVEL (XCHAL_NUM_LOWPRI_LEVELS+1) /* level of first high-priority interrupt (always 2) */ /* Note: 1 <= LOWPRI_LEVELS <= EXCM_LEVEL < DEBUGLEVEL <= NUM_INTLEVELS < NMILEVEL <= 15 */ /* These values are constant for existing Xtensa processor implementations: */ #define XCHAL_INTLEVEL0_MASK 0x00000000 #define XCHAL_INTLEVEL8_MASK 0x00000000 #define XCHAL_INTLEVEL9_MASK 0x00000000 #define XCHAL_INTLEVEL10_MASK 0x00000000 #define XCHAL_INTLEVEL11_MASK 0x00000000 #define XCHAL_INTLEVEL12_MASK 0x00000000 #define XCHAL_INTLEVEL13_MASK 0x00000000 #define XCHAL_INTLEVEL14_MASK 0x00000000 #define XCHAL_INTLEVEL15_MASK 0x00000000 /* Array of masks of interrupts at each interrupt level: */ #define XCHAL_INTLEVEL_MASKS XCHAL_INTLEVEL0_MASK \ XCHAL_SEP XCHAL_INTLEVEL1_MASK \ XCHAL_SEP XCHAL_INTLEVEL2_MASK \ XCHAL_SEP XCHAL_INTLEVEL3_MASK \ XCHAL_SEP XCHAL_INTLEVEL4_MASK \ XCHAL_SEP XCHAL_INTLEVEL5_MASK \ XCHAL_SEP XCHAL_INTLEVEL6_MASK \ XCHAL_SEP XCHAL_INTLEVEL7_MASK \ XCHAL_SEP XCHAL_INTLEVEL8_MASK \ XCHAL_SEP XCHAL_INTLEVEL9_MASK \ XCHAL_SEP XCHAL_INTLEVEL10_MASK \ XCHAL_SEP XCHAL_INTLEVEL11_MASK \ XCHAL_SEP XCHAL_INTLEVEL12_MASK \ XCHAL_SEP XCHAL_INTLEVEL13_MASK \ XCHAL_SEP XCHAL_INTLEVEL14_MASK \ XCHAL_SEP XCHAL_INTLEVEL15_MASK /* These values are constant for existing Xtensa processor implementations: */ #define XCHAL_INTLEVEL0_ANDBELOW_MASK 0x00000000 #define XCHAL_INTLEVEL8_ANDBELOW_MASK XCHAL_INTLEVEL7_ANDBELOW_MASK #define XCHAL_INTLEVEL9_ANDBELOW_MASK XCHAL_INTLEVEL7_ANDBELOW_MASK #define XCHAL_INTLEVEL10_ANDBELOW_MASK XCHAL_INTLEVEL7_ANDBELOW_MASK #define XCHAL_INTLEVEL11_ANDBELOW_MASK XCHAL_INTLEVEL7_ANDBELOW_MASK #define XCHAL_INTLEVEL12_ANDBELOW_MASK XCHAL_INTLEVEL7_ANDBELOW_MASK #define XCHAL_INTLEVEL13_ANDBELOW_MASK XCHAL_INTLEVEL7_ANDBELOW_MASK #define XCHAL_INTLEVEL14_ANDBELOW_MASK XCHAL_INTLEVEL7_ANDBELOW_MASK #define XCHAL_INTLEVEL15_ANDBELOW_MASK XCHAL_INTLEVEL7_ANDBELOW_MASK /* Mask of all low-priority interrupts: */ #define XCHAL_LOWPRI_MASK XCHAL_INTLEVEL1_ANDBELOW_MASK /* Mask of all interrupts masked by PS.EXCM (or CEXCM): */ #define XCHAL_EXCM_MASK XCHAL_INTLEVEL_ANDBELOW_MASK(XCHAL_EXCM_LEVEL) /* Array of masks of interrupts at each range 1..n of interrupt levels: */ #define XCHAL_INTLEVEL_ANDBELOW_MASKS XCHAL_INTLEVEL0_ANDBELOW_MASK \ XCHAL_SEP XCHAL_INTLEVEL1_ANDBELOW_MASK \ XCHAL_SEP XCHAL_INTLEVEL2_ANDBELOW_MASK \ XCHAL_SEP XCHAL_INTLEVEL3_ANDBELOW_MASK \ XCHAL_SEP XCHAL_INTLEVEL4_ANDBELOW_MASK \ XCHAL_SEP XCHAL_INTLEVEL5_ANDBELOW_MASK \ XCHAL_SEP XCHAL_INTLEVEL6_ANDBELOW_MASK \ XCHAL_SEP XCHAL_INTLEVEL7_ANDBELOW_MASK \ XCHAL_SEP XCHAL_INTLEVEL8_ANDBELOW_MASK \ XCHAL_SEP XCHAL_INTLEVEL9_ANDBELOW_MASK \ XCHAL_SEP XCHAL_INTLEVEL10_ANDBELOW_MASK \ XCHAL_SEP XCHAL_INTLEVEL11_ANDBELOW_MASK \ XCHAL_SEP XCHAL_INTLEVEL12_ANDBELOW_MASK \ XCHAL_SEP XCHAL_INTLEVEL13_ANDBELOW_MASK \ XCHAL_SEP XCHAL_INTLEVEL14_ANDBELOW_MASK \ XCHAL_SEP XCHAL_INTLEVEL15_ANDBELOW_MASK #if 0 /*XCHAL_HAVE_NMI*/ /* NMI "interrupt level" (for use with EXCSAVE_n, EPS_n, EPC_n, RFI n): */ # define XCHAL_NMILEVEL (XCHAL_NUM_INTLEVELS+1) #endif /* Array of levels of each possible interrupt: */ #define XCHAL_INT_LEVELS XCHAL_INT0_LEVEL \ XCHAL_SEP XCHAL_INT1_LEVEL \ XCHAL_SEP XCHAL_INT2_LEVEL \ XCHAL_SEP XCHAL_INT3_LEVEL \ XCHAL_SEP XCHAL_INT4_LEVEL \ XCHAL_SEP XCHAL_INT5_LEVEL \ XCHAL_SEP XCHAL_INT6_LEVEL \ XCHAL_SEP XCHAL_INT7_LEVEL \ XCHAL_SEP XCHAL_INT8_LEVEL \ XCHAL_SEP XCHAL_INT9_LEVEL \ XCHAL_SEP XCHAL_INT10_LEVEL \ XCHAL_SEP XCHAL_INT11_LEVEL \ XCHAL_SEP XCHAL_INT12_LEVEL \ XCHAL_SEP XCHAL_INT13_LEVEL \ XCHAL_SEP XCHAL_INT14_LEVEL \ XCHAL_SEP XCHAL_INT15_LEVEL \ XCHAL_SEP XCHAL_INT16_LEVEL \ XCHAL_SEP XCHAL_INT17_LEVEL \ XCHAL_SEP XCHAL_INT18_LEVEL \ XCHAL_SEP XCHAL_INT19_LEVEL \ XCHAL_SEP XCHAL_INT20_LEVEL \ XCHAL_SEP XCHAL_INT21_LEVEL \ XCHAL_SEP XCHAL_INT22_LEVEL \ XCHAL_SEP XCHAL_INT23_LEVEL \ XCHAL_SEP XCHAL_INT24_LEVEL \ XCHAL_SEP XCHAL_INT25_LEVEL \ XCHAL_SEP XCHAL_INT26_LEVEL \ XCHAL_SEP XCHAL_INT27_LEVEL \ XCHAL_SEP XCHAL_INT28_LEVEL \ XCHAL_SEP XCHAL_INT29_LEVEL \ XCHAL_SEP XCHAL_INT30_LEVEL \ XCHAL_SEP XCHAL_INT31_LEVEL /* Array of types of each possible interrupt: */ #define XCHAL_INT_TYPES XCHAL_INT0_TYPE \ XCHAL_SEP XCHAL_INT1_TYPE \ XCHAL_SEP XCHAL_INT2_TYPE \ XCHAL_SEP XCHAL_INT3_TYPE \ XCHAL_SEP XCHAL_INT4_TYPE \ XCHAL_SEP XCHAL_INT5_TYPE \ XCHAL_SEP XCHAL_INT6_TYPE \ XCHAL_SEP XCHAL_INT7_TYPE \ XCHAL_SEP XCHAL_INT8_TYPE \ XCHAL_SEP XCHAL_INT9_TYPE \ XCHAL_SEP XCHAL_INT10_TYPE \ XCHAL_SEP XCHAL_INT11_TYPE \ XCHAL_SEP XCHAL_INT12_TYPE \ XCHAL_SEP XCHAL_INT13_TYPE \ XCHAL_SEP XCHAL_INT14_TYPE \ XCHAL_SEP XCHAL_INT15_TYPE \ XCHAL_SEP XCHAL_INT16_TYPE \ XCHAL_SEP XCHAL_INT17_TYPE \ XCHAL_SEP XCHAL_INT18_TYPE \ XCHAL_SEP XCHAL_INT19_TYPE \ XCHAL_SEP XCHAL_INT20_TYPE \ XCHAL_SEP XCHAL_INT21_TYPE \ XCHAL_SEP XCHAL_INT22_TYPE \ XCHAL_SEP XCHAL_INT23_TYPE \ XCHAL_SEP XCHAL_INT24_TYPE \ XCHAL_SEP XCHAL_INT25_TYPE \ XCHAL_SEP XCHAL_INT26_TYPE \ XCHAL_SEP XCHAL_INT27_TYPE \ XCHAL_SEP XCHAL_INT28_TYPE \ XCHAL_SEP XCHAL_INT29_TYPE \ XCHAL_SEP XCHAL_INT30_TYPE \ XCHAL_SEP XCHAL_INT31_TYPE /* Array of masks of interrupts for each type of interrupt: */ #define XCHAL_INTTYPE_MASKS XCHAL_INTTYPE_MASK_UNCONFIGURED \ XCHAL_SEP XCHAL_INTTYPE_MASK_SOFTWARE \ XCHAL_SEP XCHAL_INTTYPE_MASK_EXTERN_EDGE \ XCHAL_SEP XCHAL_INTTYPE_MASK_EXTERN_LEVEL \ XCHAL_SEP XCHAL_INTTYPE_MASK_TIMER \ XCHAL_SEP XCHAL_INTTYPE_MASK_NMI \ XCHAL_SEP XCHAL_INTTYPE_MASK_WRITE_ERROR /* Interrupts that can be cleared using the INTCLEAR special register: */ #define XCHAL_INTCLEARABLE_MASK (XCHAL_INTTYPE_MASK_SOFTWARE+XCHAL_INTTYPE_MASK_EXTERN_EDGE+XCHAL_INTTYPE_MASK_WRITE_ERROR) /* Interrupts that can be triggered using the INTSET special register: */ #define XCHAL_INTSETTABLE_MASK XCHAL_INTTYPE_MASK_SOFTWARE /* Array of interrupts assigned to each timer (CCOMPARE0 to CCOMPARE3): */ #define XCHAL_TIMER_INTERRUPTS XCHAL_TIMER0_INTERRUPT \ XCHAL_SEP XCHAL_TIMER1_INTERRUPT \ XCHAL_SEP XCHAL_TIMER2_INTERRUPT \ XCHAL_SEP XCHAL_TIMER3_INTERRUPT /* For backward compatibility and for the array macros, define macros for * each unconfigured interrupt number (unfortunately, the value of * XTHAL_INTTYPE_UNCONFIGURED is not zero): */ #if XCHAL_NUM_INTERRUPTS == 0 # define XCHAL_INT0_LEVEL 0 # define XCHAL_INT0_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif #if XCHAL_NUM_INTERRUPTS <= 1 # define XCHAL_INT1_LEVEL 0 # define XCHAL_INT1_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif #if XCHAL_NUM_INTERRUPTS <= 2 # define XCHAL_INT2_LEVEL 0 # define XCHAL_INT2_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif #if XCHAL_NUM_INTERRUPTS <= 3 # define XCHAL_INT3_LEVEL 0 # define XCHAL_INT3_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif #if XCHAL_NUM_INTERRUPTS <= 4 # define XCHAL_INT4_LEVEL 0 # define XCHAL_INT4_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif #if XCHAL_NUM_INTERRUPTS <= 5 # define XCHAL_INT5_LEVEL 0 # define XCHAL_INT5_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif #if XCHAL_NUM_INTERRUPTS <= 6 # define XCHAL_INT6_LEVEL 0 # define XCHAL_INT6_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif #if XCHAL_NUM_INTERRUPTS <= 7 # define XCHAL_INT7_LEVEL 0 # define XCHAL_INT7_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif #if XCHAL_NUM_INTERRUPTS <= 8 # define XCHAL_INT8_LEVEL 0 # define XCHAL_INT8_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif #if XCHAL_NUM_INTERRUPTS <= 9 # define XCHAL_INT9_LEVEL 0 # define XCHAL_INT9_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif #if XCHAL_NUM_INTERRUPTS <= 10 # define XCHAL_INT10_LEVEL 0 # define XCHAL_INT10_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif #if XCHAL_NUM_INTERRUPTS <= 11 # define XCHAL_INT11_LEVEL 0 # define XCHAL_INT11_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif #if XCHAL_NUM_INTERRUPTS <= 12 # define XCHAL_INT12_LEVEL 0 # define XCHAL_INT12_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif #if XCHAL_NUM_INTERRUPTS <= 13 # define XCHAL_INT13_LEVEL 0 # define XCHAL_INT13_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif #if XCHAL_NUM_INTERRUPTS <= 14 # define XCHAL_INT14_LEVEL 0 # define XCHAL_INT14_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif #if XCHAL_NUM_INTERRUPTS <= 15 # define XCHAL_INT15_LEVEL 0 # define XCHAL_INT15_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif #if XCHAL_NUM_INTERRUPTS <= 16 # define XCHAL_INT16_LEVEL 0 # define XCHAL_INT16_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif #if XCHAL_NUM_INTERRUPTS <= 17 # define XCHAL_INT17_LEVEL 0 # define XCHAL_INT17_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif #if XCHAL_NUM_INTERRUPTS <= 18 # define XCHAL_INT18_LEVEL 0 # define XCHAL_INT18_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif #if XCHAL_NUM_INTERRUPTS <= 19 # define XCHAL_INT19_LEVEL 0 # define XCHAL_INT19_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif #if XCHAL_NUM_INTERRUPTS <= 20 # define XCHAL_INT20_LEVEL 0 # define XCHAL_INT20_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif #if XCHAL_NUM_INTERRUPTS <= 21 # define XCHAL_INT21_LEVEL 0 # define XCHAL_INT21_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif #if XCHAL_NUM_INTERRUPTS <= 22 # define XCHAL_INT22_LEVEL 0 # define XCHAL_INT22_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif #if XCHAL_NUM_INTERRUPTS <= 23 # define XCHAL_INT23_LEVEL 0 # define XCHAL_INT23_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif #if XCHAL_NUM_INTERRUPTS <= 24 # define XCHAL_INT24_LEVEL 0 # define XCHAL_INT24_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif #if XCHAL_NUM_INTERRUPTS <= 25 # define XCHAL_INT25_LEVEL 0 # define XCHAL_INT25_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif #if XCHAL_NUM_INTERRUPTS <= 26 # define XCHAL_INT26_LEVEL 0 # define XCHAL_INT26_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif #if XCHAL_NUM_INTERRUPTS <= 27 # define XCHAL_INT27_LEVEL 0 # define XCHAL_INT27_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif #if XCHAL_NUM_INTERRUPTS <= 28 # define XCHAL_INT28_LEVEL 0 # define XCHAL_INT28_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif #if XCHAL_NUM_INTERRUPTS <= 29 # define XCHAL_INT29_LEVEL 0 # define XCHAL_INT29_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif #if XCHAL_NUM_INTERRUPTS <= 30 # define XCHAL_INT30_LEVEL 0 # define XCHAL_INT30_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif #if XCHAL_NUM_INTERRUPTS <= 31 # define XCHAL_INT31_LEVEL 0 # define XCHAL_INT31_TYPE XTHAL_INTTYPE_UNCONFIGURED #endif /* * Masks and levels corresponding to each *external* interrupt. */ #define XCHAL_EXTINT0_MASK (1 << XCHAL_EXTINT0_NUM) #define XCHAL_EXTINT0_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT0_NUM) #define XCHAL_EXTINT1_MASK (1 << XCHAL_EXTINT1_NUM) #define XCHAL_EXTINT1_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT1_NUM) #define XCHAL_EXTINT2_MASK (1 << XCHAL_EXTINT2_NUM) #define XCHAL_EXTINT2_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT2_NUM) #define XCHAL_EXTINT3_MASK (1 << XCHAL_EXTINT3_NUM) #define XCHAL_EXTINT3_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT3_NUM) #define XCHAL_EXTINT4_MASK (1 << XCHAL_EXTINT4_NUM) #define XCHAL_EXTINT4_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT4_NUM) #define XCHAL_EXTINT5_MASK (1 << XCHAL_EXTINT5_NUM) #define XCHAL_EXTINT5_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT5_NUM) #define XCHAL_EXTINT6_MASK (1 << XCHAL_EXTINT6_NUM) #define XCHAL_EXTINT6_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT6_NUM) #define XCHAL_EXTINT7_MASK (1 << XCHAL_EXTINT7_NUM) #define XCHAL_EXTINT7_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT7_NUM) #define XCHAL_EXTINT8_MASK (1 << XCHAL_EXTINT8_NUM) #define XCHAL_EXTINT8_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT8_NUM) #define XCHAL_EXTINT9_MASK (1 << XCHAL_EXTINT9_NUM) #define XCHAL_EXTINT9_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT9_NUM) #define XCHAL_EXTINT10_MASK (1 << XCHAL_EXTINT10_NUM) #define XCHAL_EXTINT10_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT10_NUM) #define XCHAL_EXTINT11_MASK (1 << XCHAL_EXTINT11_NUM) #define XCHAL_EXTINT11_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT11_NUM) #define XCHAL_EXTINT12_MASK (1 << XCHAL_EXTINT12_NUM) #define XCHAL_EXTINT12_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT12_NUM) #define XCHAL_EXTINT13_MASK (1 << XCHAL_EXTINT13_NUM) #define XCHAL_EXTINT13_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT13_NUM) #define XCHAL_EXTINT14_MASK (1 << XCHAL_EXTINT14_NUM) #define XCHAL_EXTINT14_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT14_NUM) #define XCHAL_EXTINT15_MASK (1 << XCHAL_EXTINT15_NUM) #define XCHAL_EXTINT15_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT15_NUM) #define XCHAL_EXTINT16_MASK (1 << XCHAL_EXTINT16_NUM) #define XCHAL_EXTINT16_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT16_NUM) #define XCHAL_EXTINT17_MASK (1 << XCHAL_EXTINT17_NUM) #define XCHAL_EXTINT17_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT17_NUM) #define XCHAL_EXTINT18_MASK (1 << XCHAL_EXTINT18_NUM) #define XCHAL_EXTINT18_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT18_NUM) #define XCHAL_EXTINT19_MASK (1 << XCHAL_EXTINT19_NUM) #define XCHAL_EXTINT19_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT19_NUM) #define XCHAL_EXTINT20_MASK (1 << XCHAL_EXTINT20_NUM) #define XCHAL_EXTINT20_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT20_NUM) #define XCHAL_EXTINT21_MASK (1 << XCHAL_EXTINT21_NUM) #define XCHAL_EXTINT21_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT21_NUM) #define XCHAL_EXTINT22_MASK (1 << XCHAL_EXTINT22_NUM) #define XCHAL_EXTINT22_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT22_NUM) #define XCHAL_EXTINT23_MASK (1 << XCHAL_EXTINT23_NUM) #define XCHAL_EXTINT23_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT23_NUM) #define XCHAL_EXTINT24_MASK (1 << XCHAL_EXTINT24_NUM) #define XCHAL_EXTINT24_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT24_NUM) #define XCHAL_EXTINT25_MASK (1 << XCHAL_EXTINT25_NUM) #define XCHAL_EXTINT25_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT25_NUM) #define XCHAL_EXTINT26_MASK (1 << XCHAL_EXTINT26_NUM) #define XCHAL_EXTINT26_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT26_NUM) #define XCHAL_EXTINT27_MASK (1 << XCHAL_EXTINT27_NUM) #define XCHAL_EXTINT27_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT27_NUM) #define XCHAL_EXTINT28_MASK (1 << XCHAL_EXTINT28_NUM) #define XCHAL_EXTINT28_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT28_NUM) #define XCHAL_EXTINT29_MASK (1 << XCHAL_EXTINT29_NUM) #define XCHAL_EXTINT29_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT29_NUM) #define XCHAL_EXTINT30_MASK (1 << XCHAL_EXTINT30_NUM) #define XCHAL_EXTINT30_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT30_NUM) #define XCHAL_EXTINT31_MASK (1 << XCHAL_EXTINT31_NUM) #define XCHAL_EXTINT31_LEVEL XCHAL_INT_LEVEL(XCHAL_EXTINT31_NUM) /*---------------------------------------------------------------------- EXCEPTIONS and VECTORS ----------------------------------------------------------------------*/ /* For backward compatibility ONLY -- DO NOT USE (will be removed in future release): */ #define XCHAL_HAVE_OLD_EXC_ARCH XCHAL_HAVE_XEA1 /* (DEPRECATED) 1 if old exception architecture (XEA1), 0 otherwise (eg. XEA2) */ #define XCHAL_HAVE_EXCM XCHAL_HAVE_XEA2 /* (DEPRECATED) 1 if PS.EXCM bit exists (currently equals XCHAL_HAVE_TLBS) */ #ifdef XCHAL_USER_VECTOR_VADDR #define XCHAL_PROGRAMEXC_VECTOR_VADDR XCHAL_USER_VECTOR_VADDR #define XCHAL_USEREXC_VECTOR_VADDR XCHAL_USER_VECTOR_VADDR #endif #ifdef XCHAL_USER_VECTOR_PADDR # define XCHAL_PROGRAMEXC_VECTOR_PADDR XCHAL_USER_VECTOR_PADDR # define XCHAL_USEREXC_VECTOR_PADDR XCHAL_USER_VECTOR_PADDR #endif #ifdef XCHAL_KERNEL_VECTOR_VADDR # define XCHAL_STACKEDEXC_VECTOR_VADDR XCHAL_KERNEL_VECTOR_VADDR # define XCHAL_KERNELEXC_VECTOR_VADDR XCHAL_KERNEL_VECTOR_VADDR #endif #ifdef XCHAL_KERNEL_VECTOR_PADDR # define XCHAL_STACKEDEXC_VECTOR_PADDR XCHAL_KERNEL_VECTOR_PADDR # define XCHAL_KERNELEXC_VECTOR_PADDR XCHAL_KERNEL_VECTOR_PADDR #endif #if 0 #if XCHAL_HAVE_DEBUG # define XCHAL_DEBUG_VECTOR_VADDR XCHAL_INTLEVEL_VECTOR_VADDR(XCHAL_DEBUGLEVEL) /* This one should only get defined if the corresponding intlevel paddr macro exists: */ # define XCHAL_DEBUG_VECTOR_PADDR XCHAL_INTLEVEL_VECTOR_PADDR(XCHAL_DEBUGLEVEL) #endif #endif /* Indexing macros: */ #define _XCHAL_INTLEVEL_VECTOR_VADDR(n) XCHAL_INTLEVEL ## n ## _VECTOR_VADDR #define XCHAL_INTLEVEL_VECTOR_VADDR(n) _XCHAL_INTLEVEL_VECTOR_VADDR(n) /* n = 0 .. 15 */ /* * General Exception Causes * (values of EXCCAUSE special register set by general exceptions, * which vector to the user, kernel, or double-exception vectors). * * DEPRECATED. Please use the equivalent EXCCAUSE_xxx macros * defined in . (Note that these have slightly * different names, they don't just have the XCHAL_ prefix removed.) */ #define XCHAL_EXCCAUSE_ILLEGAL_INSTRUCTION 0 /* Illegal Instruction */ #define XCHAL_EXCCAUSE_SYSTEM_CALL 1 /* System Call */ #define XCHAL_EXCCAUSE_INSTRUCTION_FETCH_ERROR 2 /* Instruction Fetch Error */ #define XCHAL_EXCCAUSE_LOAD_STORE_ERROR 3 /* Load Store Error */ #define XCHAL_EXCCAUSE_LEVEL1_INTERRUPT 4 /* Level 1 Interrupt */ #define XCHAL_EXCCAUSE_ALLOCA 5 /* Stack Extension Assist */ #define XCHAL_EXCCAUSE_INTEGER_DIVIDE_BY_ZERO 6 /* Integer Divide by Zero */ #define XCHAL_EXCCAUSE_SPECULATION 7 /* Speculation */ #define XCHAL_EXCCAUSE_PRIVILEGED 8 /* Privileged Instruction */ #define XCHAL_EXCCAUSE_UNALIGNED 9 /* Unaligned Load Store */ /*10..15 reserved*/ #define XCHAL_EXCCAUSE_ITLB_MISS 16 /* ITlb Miss Exception */ #define XCHAL_EXCCAUSE_ITLB_MULTIHIT 17 /* ITlb Mutltihit Exception */ #define XCHAL_EXCCAUSE_ITLB_PRIVILEGE 18 /* ITlb Privilege Exception */ #define XCHAL_EXCCAUSE_ITLB_SIZE_RESTRICTION 19 /* ITlb Size Restriction Exception */ #define XCHAL_EXCCAUSE_FETCH_CACHE_ATTRIBUTE 20 /* Fetch Cache Attribute Exception */ /*21..23 reserved*/ #define XCHAL_EXCCAUSE_DTLB_MISS 24 /* DTlb Miss Exception */ #define XCHAL_EXCCAUSE_DTLB_MULTIHIT 25 /* DTlb Multihit Exception */ #define XCHAL_EXCCAUSE_DTLB_PRIVILEGE 26 /* DTlb Privilege Exception */ #define XCHAL_EXCCAUSE_DTLB_SIZE_RESTRICTION 27 /* DTlb Size Restriction Exception */ #define XCHAL_EXCCAUSE_LOAD_CACHE_ATTRIBUTE 28 /* Load Cache Attribute Exception */ #define XCHAL_EXCCAUSE_STORE_CACHE_ATTRIBUTE 29 /* Store Cache Attribute Exception */ /*30..31 reserved*/ #define XCHAL_EXCCAUSE_COPROCESSOR0_DISABLED 32 /* Coprocessor 0 disabled */ #define XCHAL_EXCCAUSE_COPROCESSOR1_DISABLED 33 /* Coprocessor 1 disabled */ #define XCHAL_EXCCAUSE_COPROCESSOR2_DISABLED 34 /* Coprocessor 2 disabled */ #define XCHAL_EXCCAUSE_COPROCESSOR3_DISABLED 35 /* Coprocessor 3 disabled */ #define XCHAL_EXCCAUSE_COPROCESSOR4_DISABLED 36 /* Coprocessor 4 disabled */ #define XCHAL_EXCCAUSE_COPROCESSOR5_DISABLED 37 /* Coprocessor 5 disabled */ #define XCHAL_EXCCAUSE_COPROCESSOR6_DISABLED 38 /* Coprocessor 6 disabled */ #define XCHAL_EXCCAUSE_COPROCESSOR7_DISABLED 39 /* Coprocessor 7 disabled */ /*40..63 reserved*/ /* * Miscellaneous special register fields. * * For each special register, and each field within each register: * XCHAL__VALIDMASK is the set of bits defined in the register. * XCHAL___BITS is the number of bits in the field. * XCHAL___NUM is 2^bits, the number of possible values * of the field. * XCHAL___SHIFT is the position of the field within * the register, starting from the least significant bit. * * DEPRECATED. Please use the equivalent macros defined in * . (Note that these have different names.) */ /* DBREAKC (special register number 160): */ #define XCHAL_DBREAKC_VALIDMASK 0xC000003F #define XCHAL_DBREAKC_MASK_BITS 6 #define XCHAL_DBREAKC_MASK_NUM 64 #define XCHAL_DBREAKC_MASK_SHIFT 0 #define XCHAL_DBREAKC_MASK_MASK 0x0000003F #define XCHAL_DBREAKC_LOADBREAK_BITS 1 #define XCHAL_DBREAKC_LOADBREAK_NUM 2 #define XCHAL_DBREAKC_LOADBREAK_SHIFT 30 #define XCHAL_DBREAKC_LOADBREAK_MASK 0x40000000 #define XCHAL_DBREAKC_STOREBREAK_BITS 1 #define XCHAL_DBREAKC_STOREBREAK_NUM 2 #define XCHAL_DBREAKC_STOREBREAK_SHIFT 31 #define XCHAL_DBREAKC_STOREBREAK_MASK 0x80000000 /* PS (special register number 230): */ #define XCHAL_PS_VALIDMASK 0x00070F3F #define XCHAL_PS_INTLEVEL_BITS 4 #define XCHAL_PS_INTLEVEL_NUM 16 #define XCHAL_PS_INTLEVEL_SHIFT 0 #define XCHAL_PS_INTLEVEL_MASK 0x0000000F #define XCHAL_PS_EXCM_BITS 1 #define XCHAL_PS_EXCM_NUM 2 #define XCHAL_PS_EXCM_SHIFT 4 #define XCHAL_PS_EXCM_MASK 0x00000010 #define XCHAL_PS_UM_BITS 1 #define XCHAL_PS_UM_NUM 2 #define XCHAL_PS_UM_SHIFT 5 #define XCHAL_PS_UM_MASK 0x00000020 #define XCHAL_PS_RING_BITS 2 #define XCHAL_PS_RING_NUM 4 #define XCHAL_PS_RING_SHIFT 6 #define XCHAL_PS_RING_MASK 0x000000C0 #define XCHAL_PS_OWB_BITS 4 #define XCHAL_PS_OWB_NUM 16 #define XCHAL_PS_OWB_SHIFT 8 #define XCHAL_PS_OWB_MASK 0x00000F00 #define XCHAL_PS_CALLINC_BITS 2 #define XCHAL_PS_CALLINC_NUM 4 #define XCHAL_PS_CALLINC_SHIFT 16 #define XCHAL_PS_CALLINC_MASK 0x00030000 #define XCHAL_PS_WOE_BITS 1 #define XCHAL_PS_WOE_NUM 2 #define XCHAL_PS_WOE_SHIFT 18 #define XCHAL_PS_WOE_MASK 0x00040000 /* EXCCAUSE (special register number 232): */ #define XCHAL_EXCCAUSE_VALIDMASK 0x0000003F #define XCHAL_EXCCAUSE_BITS 6 #define XCHAL_EXCCAUSE_NUM 64 #define XCHAL_EXCCAUSE_SHIFT 0 #define XCHAL_EXCCAUSE_MASK 0x0000003F /* DEBUGCAUSE (special register number 233): */ #define XCHAL_DEBUGCAUSE_VALIDMASK 0x0000003F #define XCHAL_DEBUGCAUSE_ICOUNT_BITS 1 #define XCHAL_DEBUGCAUSE_ICOUNT_NUM 2 #define XCHAL_DEBUGCAUSE_ICOUNT_SHIFT 0 #define XCHAL_DEBUGCAUSE_ICOUNT_MASK 0x00000001 #define XCHAL_DEBUGCAUSE_IBREAK_BITS 1 #define XCHAL_DEBUGCAUSE_IBREAK_NUM 2 #define XCHAL_DEBUGCAUSE_IBREAK_SHIFT 1 #define XCHAL_DEBUGCAUSE_IBREAK_MASK 0x00000002 #define XCHAL_DEBUGCAUSE_DBREAK_BITS 1 #define XCHAL_DEBUGCAUSE_DBREAK_NUM 2 #define XCHAL_DEBUGCAUSE_DBREAK_SHIFT 2 #define XCHAL_DEBUGCAUSE_DBREAK_MASK 0x00000004 #define XCHAL_DEBUGCAUSE_BREAK_BITS 1 #define XCHAL_DEBUGCAUSE_BREAK_NUM 2 #define XCHAL_DEBUGCAUSE_BREAK_SHIFT 3 #define XCHAL_DEBUGCAUSE_BREAK_MASK 0x00000008 #define XCHAL_DEBUGCAUSE_BREAKN_BITS 1 #define XCHAL_DEBUGCAUSE_BREAKN_NUM 2 #define XCHAL_DEBUGCAUSE_BREAKN_SHIFT 4 #define XCHAL_DEBUGCAUSE_BREAKN_MASK 0x00000010 #define XCHAL_DEBUGCAUSE_DEBUGINT_BITS 1 #define XCHAL_DEBUGCAUSE_DEBUGINT_NUM 2 #define XCHAL_DEBUGCAUSE_DEBUGINT_SHIFT 5 #define XCHAL_DEBUGCAUSE_DEBUGINT_MASK 0x00000020 /*---------------------------------------------------------------------- TIMERS ----------------------------------------------------------------------*/ /*#define XCHAL_HAVE_TIMERS XCHAL_HAVE_CCOUNT*/ /*---------------------------------------------------------------------- INTERNAL I/D RAM/ROMs and XLMI ----------------------------------------------------------------------*/ #define XCHAL_NUM_IROM XCHAL_NUM_INSTROM /* (DEPRECATED) */ #define XCHAL_NUM_IRAM XCHAL_NUM_INSTRAM /* (DEPRECATED) */ #define XCHAL_NUM_DROM XCHAL_NUM_DATAROM /* (DEPRECATED) */ #define XCHAL_NUM_DRAM XCHAL_NUM_DATARAM /* (DEPRECATED) */ #define XCHAL_IROM0_VADDR XCHAL_INSTROM0_VADDR /* (DEPRECATED) */ #define XCHAL_IROM0_PADDR XCHAL_INSTROM0_PADDR /* (DEPRECATED) */ #define XCHAL_IROM0_SIZE XCHAL_INSTROM0_SIZE /* (DEPRECATED) */ #define XCHAL_IROM1_VADDR XCHAL_INSTROM1_VADDR /* (DEPRECATED) */ #define XCHAL_IROM1_PADDR XCHAL_INSTROM1_PADDR /* (DEPRECATED) */ #define XCHAL_IROM1_SIZE XCHAL_INSTROM1_SIZE /* (DEPRECATED) */ #define XCHAL_IRAM0_VADDR XCHAL_INSTRAM0_VADDR /* (DEPRECATED) */ #define XCHAL_IRAM0_PADDR XCHAL_INSTRAM0_PADDR /* (DEPRECATED) */ #define XCHAL_IRAM0_SIZE XCHAL_INSTRAM0_SIZE /* (DEPRECATED) */ #define XCHAL_IRAM1_VADDR XCHAL_INSTRAM1_VADDR /* (DEPRECATED) */ #define XCHAL_IRAM1_PADDR XCHAL_INSTRAM1_PADDR /* (DEPRECATED) */ #define XCHAL_IRAM1_SIZE XCHAL_INSTRAM1_SIZE /* (DEPRECATED) */ #define XCHAL_DROM0_VADDR XCHAL_DATAROM0_VADDR /* (DEPRECATED) */ #define XCHAL_DROM0_PADDR XCHAL_DATAROM0_PADDR /* (DEPRECATED) */ #define XCHAL_DROM0_SIZE XCHAL_DATAROM0_SIZE /* (DEPRECATED) */ #define XCHAL_DROM1_VADDR XCHAL_DATAROM1_VADDR /* (DEPRECATED) */ #define XCHAL_DROM1_PADDR XCHAL_DATAROM1_PADDR /* (DEPRECATED) */ #define XCHAL_DROM1_SIZE XCHAL_DATAROM1_SIZE /* (DEPRECATED) */ #define XCHAL_DRAM0_VADDR XCHAL_DATARAM0_VADDR /* (DEPRECATED) */ #define XCHAL_DRAM0_PADDR XCHAL_DATARAM0_PADDR /* (DEPRECATED) */ #define XCHAL_DRAM0_SIZE XCHAL_DATARAM0_SIZE /* (DEPRECATED) */ #define XCHAL_DRAM1_VADDR XCHAL_DATARAM1_VADDR /* (DEPRECATED) */ #define XCHAL_DRAM1_PADDR XCHAL_DATARAM1_PADDR /* (DEPRECATED) */ #define XCHAL_DRAM1_SIZE XCHAL_DATARAM1_SIZE /* (DEPRECATED) */ /*---------------------------------------------------------------------- CACHE ----------------------------------------------------------------------*/ /* Default PREFCTL value to enable prefetch. */ #if XCHAL_HW_MIN_VERSION < XTENSA_HWVERSION_RE_2012_0 #define XCHAL_CACHE_PREFCTL_DEFAULT 0x00044 /* enabled, not aggressive */ #elif XCHAL_HW_MIN_VERSION < XTENSA_HWVERSION_RF_2014_0 #define XCHAL_CACHE_PREFCTL_DEFAULT 0x01044 /* + enable prefetch to L1 */ #elif XCHAL_PREFETCH_ENTRIES >= 16 #define XCHAL_CACHE_PREFCTL_DEFAULT 0x81044 /* 12 entries for block ops */ #elif XCHAL_PREFETCH_ENTRIES >= 8 #define XCHAL_CACHE_PREFCTL_DEFAULT 0x51044 /* 5 entries for block ops */ #else #define XCHAL_CACHE_PREFCTL_DEFAULT 0x01044 /* 0 entries for block ops */ #endif /* Max for both I-cache and D-cache (used for general alignment): */ #if XCHAL_ICACHE_LINESIZE > XCHAL_DCACHE_LINESIZE # define XCHAL_CACHE_LINEWIDTH_MAX XCHAL_ICACHE_LINEWIDTH # define XCHAL_CACHE_LINESIZE_MAX XCHAL_ICACHE_LINESIZE #else # define XCHAL_CACHE_LINEWIDTH_MAX XCHAL_DCACHE_LINEWIDTH # define XCHAL_CACHE_LINESIZE_MAX XCHAL_DCACHE_LINESIZE #endif #define XCHAL_ICACHE_SETSIZE (1< XCHAL_DCACHE_SETWIDTH # define XCHAL_CACHE_SETWIDTH_MAX XCHAL_ICACHE_SETWIDTH # define XCHAL_CACHE_SETSIZE_MAX XCHAL_ICACHE_SETSIZE #else # define XCHAL_CACHE_SETWIDTH_MAX XCHAL_DCACHE_SETWIDTH # define XCHAL_CACHE_SETSIZE_MAX XCHAL_DCACHE_SETSIZE #endif /* Instruction cache tag bits: */ #define XCHAL_ICACHE_TAG_V_SHIFT 0 #define XCHAL_ICACHE_TAG_V 0x1 /* valid bit */ #if XCHAL_ICACHE_WAYS > 1 # define XCHAL_ICACHE_TAG_F_SHIFT 1 # define XCHAL_ICACHE_TAG_F 0x2 /* fill (LRU) bit */ #else # define XCHAL_ICACHE_TAG_F_SHIFT 0 # define XCHAL_ICACHE_TAG_F 0 /* no fill (LRU) bit */ #endif #if XCHAL_ICACHE_LINE_LOCKABLE # define XCHAL_ICACHE_TAG_L_SHIFT (XCHAL_ICACHE_TAG_F_SHIFT+1) # define XCHAL_ICACHE_TAG_L (1 << XCHAL_ICACHE_TAG_L_SHIFT) /* lock bit */ #else # define XCHAL_ICACHE_TAG_L_SHIFT XCHAL_ICACHE_TAG_F_SHIFT # define XCHAL_ICACHE_TAG_L 0 /* no lock bit */ #endif /* Data cache tag bits: */ #define XCHAL_DCACHE_TAG_V_SHIFT 0 #define XCHAL_DCACHE_TAG_V 0x1 /* valid bit */ #if XCHAL_DCACHE_WAYS > 1 # define XCHAL_DCACHE_TAG_F_SHIFT 1 # define XCHAL_DCACHE_TAG_F 0x2 /* fill (LRU) bit */ #else # define XCHAL_DCACHE_TAG_F_SHIFT 0 # define XCHAL_DCACHE_TAG_F 0 /* no fill (LRU) bit */ #endif #if XCHAL_DCACHE_IS_WRITEBACK # define XCHAL_DCACHE_TAG_D_SHIFT (XCHAL_DCACHE_TAG_F_SHIFT+1) # define XCHAL_DCACHE_TAG_D (1 << XCHAL_DCACHE_TAG_D_SHIFT) /* dirty bit */ #else # define XCHAL_DCACHE_TAG_D_SHIFT XCHAL_DCACHE_TAG_F_SHIFT # define XCHAL_DCACHE_TAG_D 0 /* no dirty bit */ #endif #if XCHAL_DCACHE_LINE_LOCKABLE # define XCHAL_DCACHE_TAG_L_SHIFT (XCHAL_DCACHE_TAG_D_SHIFT+1) # define XCHAL_DCACHE_TAG_L (1 << XCHAL_DCACHE_TAG_L_SHIFT) /* lock bit */ #else # define XCHAL_DCACHE_TAG_L_SHIFT XCHAL_DCACHE_TAG_D_SHIFT # define XCHAL_DCACHE_TAG_L 0 /* no lock bit */ #endif /* Whether MEMCTL register has anything useful */ #define XCHAL_USE_MEMCTL (((XCHAL_LOOP_BUFFER_SIZE > 0) || \ XCHAL_DCACHE_IS_COHERENT || \ XCHAL_HAVE_ICACHE_DYN_WAYS || \ XCHAL_HAVE_DCACHE_DYN_WAYS) && \ (XCHAL_HW_MIN_VERSION >= XTENSA_HWVERSION_RE_2012_0)) /* Default MEMCTL values: */ #if XCHAL_HAVE_ICACHE_DYN_WAYS || XCHAL_HAVE_DCACHE_DYN_WAYS /* NOTE: constant defined this way to allow movi instead of l32r in reset code. */ #define XCHAL_CACHE_MEMCTL_DEFAULT 0xFFFFFF00 /* Init all possible ways */ #else #define XCHAL_CACHE_MEMCTL_DEFAULT 0x00000000 /* Nothing to do */ #endif #if XCHAL_DCACHE_IS_COHERENT #define _MEMCTL_SNOOP_EN 0x02 /* Enable snoop */ #else #define _MEMCTL_SNOOP_EN 0x00 /* Don't enable snoop */ #endif #if (XCHAL_LOOP_BUFFER_SIZE == 0) || XCHAL_ERRATUM_453 #define _MEMCTL_L0IBUF_EN 0x00 /* No loop buffer or don't enable */ #else #define _MEMCTL_L0IBUF_EN 0x01 /* Enable loop buffer */ #endif #define XCHAL_SNOOP_LB_MEMCTL_DEFAULT (_MEMCTL_SNOOP_EN | _MEMCTL_L0IBUF_EN) /*---------------------------------------------------------------------- MMU ----------------------------------------------------------------------*/ /* See for more details. */ /* Has different semantic in open source headers (where it means HAVE_PTP_MMU), so comment out starting with RB-2008.3 release; later, might get get reintroduced as a synonym for XCHAL_HAVE_PTP_MMU instead: */ /*#define XCHAL_HAVE_MMU XCHAL_HAVE_TLBS*/ /* (DEPRECATED; use XCHAL_HAVE_TLBS instead) */ /* Indexing macros: */ #define _XCHAL_ITLB_SET(n,_what) XCHAL_ITLB_SET ## n ## _what #define XCHAL_ITLB_SET(n,what) _XCHAL_ITLB_SET(n, _ ## what ) #define _XCHAL_ITLB_SET_E(n,i,_what) XCHAL_ITLB_SET ## n ## _E ## i ## _what #define XCHAL_ITLB_SET_E(n,i,what) _XCHAL_ITLB_SET_E(n,i, _ ## what ) #define _XCHAL_DTLB_SET(n,_what) XCHAL_DTLB_SET ## n ## _what #define XCHAL_DTLB_SET(n,what) _XCHAL_DTLB_SET(n, _ ## what ) #define _XCHAL_DTLB_SET_E(n,i,_what) XCHAL_DTLB_SET ## n ## _E ## i ## _what #define XCHAL_DTLB_SET_E(n,i,what) _XCHAL_DTLB_SET_E(n,i, _ ## what ) /* * Example use: XCHAL_ITLB_SET(XCHAL_ITLB_ARF_SET0,ENTRIES) * to get the value of XCHAL_ITLB_SET_ENTRIES where is the first auto-refill set. */ /* Number of entries per autorefill way: */ #define XCHAL_ITLB_ARF_ENTRIES (1< 0 && XCHAL_DTLB_ARF_WAYS > 0 && XCHAL_MMU_RINGS >= 2 # define XCHAL_HAVE_PTP_MMU 1 /* have full MMU (with page table [autorefill] and protection) */ #else # define XCHAL_HAVE_PTP_MMU 0 /* don't have full MMU */ #endif #endif /* * For full MMUs, report kernel RAM segment and kernel I/O segment static page mappings: */ #if XCHAL_HAVE_PTP_MMU && !XCHAL_HAVE_SPANNING_WAY #define XCHAL_KSEG_CACHED_VADDR 0xD0000000 /* virt.addr of kernel RAM cached static map */ #define XCHAL_KSEG_CACHED_PADDR 0x00000000 /* phys.addr of kseg_cached */ #define XCHAL_KSEG_CACHED_SIZE 0x08000000 /* size in bytes of kseg_cached (assumed power of 2!!!) */ #define XCHAL_KSEG_BYPASS_VADDR 0xD8000000 /* virt.addr of kernel RAM bypass (uncached) static map */ #define XCHAL_KSEG_BYPASS_PADDR 0x00000000 /* phys.addr of kseg_bypass */ #define XCHAL_KSEG_BYPASS_SIZE 0x08000000 /* size in bytes of kseg_bypass (assumed power of 2!!!) */ #define XCHAL_KIO_CACHED_VADDR 0xE0000000 /* virt.addr of kernel I/O cached static map */ #define XCHAL_KIO_CACHED_PADDR 0xF0000000 /* phys.addr of kio_cached */ #define XCHAL_KIO_CACHED_SIZE 0x10000000 /* size in bytes of kio_cached (assumed power of 2!!!) */ #define XCHAL_KIO_BYPASS_VADDR 0xF0000000 /* virt.addr of kernel I/O bypass (uncached) static map */ #define XCHAL_KIO_BYPASS_PADDR 0xF0000000 /* phys.addr of kio_bypass */ #define XCHAL_KIO_BYPASS_SIZE 0x10000000 /* size in bytes of kio_bypass (assumed power of 2!!!) */ #define XCHAL_SEG_MAPPABLE_VADDR 0x00000000 /* start of largest non-static-mapped virtual addr area */ #define XCHAL_SEG_MAPPABLE_SIZE 0xD0000000 /* size in bytes of " */ /* define XCHAL_SEG_MAPPABLE2_xxx if more areas present, sorted in order of descending size. */ #endif /*---------------------------------------------------------------------- MISC ----------------------------------------------------------------------*/ /* Data alignment required if used for instructions: */ #if XCHAL_INST_FETCH_WIDTH > XCHAL_DATA_WIDTH # define XCHAL_ALIGN_MAX XCHAL_INST_FETCH_WIDTH #else # define XCHAL_ALIGN_MAX XCHAL_DATA_WIDTH #endif /* * Names kept for backward compatibility. * (Here "RELEASE" is now a misnomer; these are product *versions*, not the releases * under which they are released. In the T10##.# era there was no distinction.) */ #define XCHAL_HW_RELEASE_MAJOR XCHAL_HW_VERSION_MAJOR #define XCHAL_HW_RELEASE_MINOR XCHAL_HW_VERSION_MINOR #define XCHAL_HW_RELEASE_NAME XCHAL_HW_VERSION_NAME /*---------------------------------------------------------------------- COPROCESSORS and EXTRA STATE ----------------------------------------------------------------------*/ #define XCHAL_EXTRA_SA_SIZE XCHAL_NCP_SA_SIZE #define XCHAL_EXTRA_SA_ALIGN XCHAL_NCP_SA_ALIGN #define XCHAL_CPEXTRA_SA_SIZE XCHAL_TOTAL_SA_SIZE #define XCHAL_CPEXTRA_SA_ALIGN XCHAL_TOTAL_SA_ALIGN #if defined (_ASMLANGUAGE) || defined (__ASSEMBLER__) /* Invoked at start of save area load/store sequence macro to setup macro * internal offsets. Not usually invoked directly. * continue 0 for 1st sequence, 1 for subsequent consecutive ones. * totofs offset from original ptr to next load/store location. */ .macro xchal_sa_start continue totofs .ifeq \continue .set .Lxchal_pofs_, 0 /* offset from original ptr to current \ptr */ .set .Lxchal_ofs_, 0 /* offset from current \ptr to next load/store location */ .endif .if \totofs + 1 /* if totofs specified (not -1) */ .set .Lxchal_ofs_, \totofs - .Lxchal_pofs_ /* specific offset from original ptr */ .endif .endm /* Align portion of save area and bring ptr in range if necessary. * Used by save area load/store sequences. Not usually invoked directly. * Allows combining multiple (sub-)sequences arbitrarily. * ptr pointer to save area (may be off, see .Lxchal_pofs_) * minofs,maxofs range of offset from cur ptr to next load/store loc; * minofs <= 0 <= maxofs (0 must always be valid offset) * range must be within +/- 30kB or so. * ofsalign alignment granularity of minofs .. maxofs (pow of 2) * (restriction on offset from ptr to next load/store loc) * totalign align from orig ptr to next load/store loc (pow of 2) */ .macro xchal_sa_align ptr minofs maxofs ofsalign totalign /* First align where we start accessing the next register * per \totalign relative to original ptr (i.e. start of the save area): */ .set .Lxchal_ofs_, ((.Lxchal_pofs_ + .Lxchal_ofs_ + \totalign - 1) & -\totalign) - .Lxchal_pofs_ /* If necessary, adjust \ptr to bring .Lxchal_ofs_ in acceptable range: */ .if (((\maxofs) - .Lxchal_ofs_) & 0xC0000000) | ((.Lxchal_ofs_ - (\minofs)) & 0xC0000000) | (.Lxchal_ofs_ & (\ofsalign-1)) .set .Ligmask, 0xFFFFFFFF /* TODO: optimize to addmi, per aligns and .Lxchal_ofs_ */ addi \ptr, \ptr, (.Lxchal_ofs_ & .Ligmask) .set .Lxchal_pofs_, .Lxchal_pofs_ + (.Lxchal_ofs_ & .Ligmask) .set .Lxchal_ofs_, (.Lxchal_ofs_ & ~.Ligmask) .endif .endm /* * We could optimize for addi to expand to only addmi instead of * "addmi;addi", where possible. Here's a partial example how: * .set .Lmaxmask, -(\ofsalign) & -(\totalign) * .if (((\maxofs) + ~.Lmaxmask + 1) & 0xFFFFFF00) && ((.Lxchal_ofs_ & ~.Lmaxmask) == 0) * .set .Ligmask, 0xFFFFFF00 * .elif ... ditto for negative ofs range ... * .set .Ligmask, 0xFFFFFF00 * .set ... adjust per offset ... * .else * .set .Ligmask, 0xFFFFFFFF * .endif */ /* Invoke this after xchal_XXX_{load,store} macros to restore \ptr. */ .macro xchal_sa_ptr_restore ptr .if .Lxchal_pofs_ addi \ptr, \ptr, - .Lxchal_pofs_ .set .Lxchal_ofs_, .Lxchal_ofs_ + .Lxchal_pofs_ .set .Lxchal_pofs_, 0 .endif .endm /* * Use as eg: * xchal_atmps_store a1, SOMEOFS, XCHAL_SA_NUM_ATMPS, a4, a5 * xchal_ncp_load a2, a0,a3,a4,a5 * xchal_atmps_load a1, SOMEOFS, XCHAL_SA_NUM_ATMPS, a4, a5 * * Specify only the ARs you *haven't* saved/restored already, up to 4. * They *must* be the *last* ARs (in same order) specified to save area * load/store sequences. In the example above, a0 and a3 were already * saved/restored and unused (thus available) but a4 and a5 were not. */ #define xchal_atmps_store xchal_atmps_loadstore s32i, #define xchal_atmps_load xchal_atmps_loadstore l32i, .macro xchal_atmps_loadstore inst ptr offset nreq aa=0 ab=0 ac=0 ad=0 .set .Lnsaved_, 0 .irp reg,\aa,\ab,\ac,\ad .ifeq 0x\reg ; .set .Lnsaved_,.Lnsaved_+1 ; .endif .endr .set .Laofs_, 0 .irp reg,\aa,\ab,\ac,\ad .ifgt (\nreq)-.Lnsaved_ \inst \reg, \ptr, .Laofs_+\offset .set .Laofs_,.Laofs_+4 .set .Lnsaved_,.Lnsaved_+1 .endif .endr .endm /*#define xchal_ncp_load_a2 xchal_ncp_load a2,a3,a4,a5,a6*/ /*#define xchal_ncp_store_a2 xchal_ncp_store a2,a3,a4,a5,a6*/ #define xchal_extratie_load xchal_ncptie_load #define xchal_extratie_store xchal_ncptie_store #define xchal_extratie_load_a2 xchal_ncptie_load a2,a3,a4,a5,a6 #define xchal_extratie_store_a2 xchal_ncptie_store a2,a3,a4,a5,a6 #define xchal_extra_load xchal_ncp_load #define xchal_extra_store xchal_ncp_store #define xchal_extra_load_a2 xchal_ncp_load a2,a3,a4,a5,a6 #define xchal_extra_store_a2 xchal_ncp_store a2,a3,a4,a5,a6 #define xchal_extra_load_funcbody xchal_ncp_load a2,a3,a4,a5,a6 #define xchal_extra_store_funcbody xchal_ncp_store a2,a3,a4,a5,a6 #define xchal_cp0_store_a2 xchal_cp0_store a2,a3,a4,a5,a6 #define xchal_cp0_load_a2 xchal_cp0_load a2,a3,a4,a5,a6 #define xchal_cp1_store_a2 xchal_cp1_store a2,a3,a4,a5,a6 #define xchal_cp1_load_a2 xchal_cp1_load a2,a3,a4,a5,a6 #define xchal_cp2_store_a2 xchal_cp2_store a2,a3,a4,a5,a6 #define xchal_cp2_load_a2 xchal_cp2_load a2,a3,a4,a5,a6 #define xchal_cp3_store_a2 xchal_cp3_store a2,a3,a4,a5,a6 #define xchal_cp3_load_a2 xchal_cp3_load a2,a3,a4,a5,a6 #define xchal_cp4_store_a2 xchal_cp4_store a2,a3,a4,a5,a6 #define xchal_cp4_load_a2 xchal_cp4_load a2,a3,a4,a5,a6 #define xchal_cp5_store_a2 xchal_cp5_store a2,a3,a4,a5,a6 #define xchal_cp5_load_a2 xchal_cp5_load a2,a3,a4,a5,a6 #define xchal_cp6_store_a2 xchal_cp6_store a2,a3,a4,a5,a6 #define xchal_cp6_load_a2 xchal_cp6_load a2,a3,a4,a5,a6 #define xchal_cp7_store_a2 xchal_cp7_store a2,a3,a4,a5,a6 #define xchal_cp7_load_a2 xchal_cp7_load a2,a3,a4,a5,a6 /* Empty placeholder macros for undefined coprocessors: */ #if (XCHAL_CP_MASK & ~XCHAL_CP_PORT_MASK) == 0 # if XCHAL_CP0_SA_SIZE == 0 .macro xchal_cp0_store p a b c d continue=0 ofs=-1 select=-1 ; .endm .macro xchal_cp0_load p a b c d continue=0 ofs=-1 select=-1 ; .endm # endif # if XCHAL_CP1_SA_SIZE == 0 .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 # endif # if XCHAL_CP2_SA_SIZE == 0 .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 # endif # if XCHAL_CP3_SA_SIZE == 0 .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 # endif # if XCHAL_CP4_SA_SIZE == 0 .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 # endif # if XCHAL_CP5_SA_SIZE == 0 .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 # endif # if XCHAL_CP6_SA_SIZE == 0 .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 # endif # if XCHAL_CP7_SA_SIZE == 0 .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 #endif /******************** * Macros to create functions that save and restore the state of *any* TIE * coprocessor (by dynamic index). */ /* * Macro that expands to the body of a function * that stores the selected coprocessor's state (registers etc). * Entry: a2 = ptr to save area in which to save cp state * a3 = coprocessor number * Exit: any register a2-a15 (?) may have been clobbered. */ .macro xchal_cpi_store_funcbody #if (XCHAL_CP_MASK & ~XCHAL_CP_PORT_MASK) # if XCHAL_CP0_SA_SIZE bnez a3, 99f xchal_cp0_store_a2 j 90f 99: # endif # if XCHAL_CP1_SA_SIZE bnei a3, 1, 99f xchal_cp1_store_a2 j 90f 99: # endif # if XCHAL_CP2_SA_SIZE bnei a3, 2, 99f xchal_cp2_store_a2 j 90f 99: # endif # if XCHAL_CP3_SA_SIZE bnei a3, 3, 99f xchal_cp3_store_a2 j 90f 99: # endif # if XCHAL_CP4_SA_SIZE bnei a3, 4, 99f xchal_cp4_store_a2 j 90f 99: # endif # if XCHAL_CP5_SA_SIZE bnei a3, 5, 99f xchal_cp5_store_a2 j 90f 99: # endif # if XCHAL_CP6_SA_SIZE bnei a3, 6, 99f xchal_cp6_store_a2 j 90f 99: # endif # if XCHAL_CP7_SA_SIZE bnei a3, 7, 99f xchal_cp7_store_a2 j 90f 99: # endif 90: #endif .endm /* * Macro that expands to the body of a function * that loads the selected coprocessor's state (registers etc). * Entry: a2 = ptr to save area from which to restore cp state * a3 = coprocessor number * Exit: any register a2-a15 (?) may have been clobbered. */ .macro xchal_cpi_load_funcbody #if (XCHAL_CP_MASK & ~XCHAL_CP_PORT_MASK) # if XCHAL_CP0_SA_SIZE bnez a3, 99f xchal_cp0_load_a2 j 90f 99: # endif # if XCHAL_CP1_SA_SIZE bnei a3, 1, 99f xchal_cp1_load_a2 j 90f 99: # endif # if XCHAL_CP2_SA_SIZE bnei a3, 2, 99f xchal_cp2_load_a2 j 90f 99: # endif # if XCHAL_CP3_SA_SIZE bnei a3, 3, 99f xchal_cp3_load_a2 j 90f 99: # endif # if XCHAL_CP4_SA_SIZE bnei a3, 4, 99f xchal_cp4_load_a2 j 90f 99: # endif # if XCHAL_CP5_SA_SIZE bnei a3, 5, 99f xchal_cp5_load_a2 j 90f 99: # endif # if XCHAL_CP6_SA_SIZE bnei a3, 6, 99f xchal_cp6_load_a2 j 90f 99: # endif # if XCHAL_CP7_SA_SIZE bnei a3, 7, 99f xchal_cp7_load_a2 j 90f 99: # endif 90: #endif .endm #endif /*_ASMLANGUAGE or __ASSEMBLER__*/ /* Other default macros for undefined coprocessors: */ #ifndef XCHAL_CP0_NAME # define XCHAL_CP0_NAME 0 # define XCHAL_CP0_SA_CONTENTS_LIBDB_NUM 0 # define XCHAL_CP0_SA_CONTENTS_LIBDB /* empty */ #endif #ifndef XCHAL_CP1_NAME # define XCHAL_CP1_NAME 0 # define XCHAL_CP1_SA_CONTENTS_LIBDB_NUM 0 # define XCHAL_CP1_SA_CONTENTS_LIBDB /* empty */ #endif #ifndef XCHAL_CP2_NAME # define XCHAL_CP2_NAME 0 # define XCHAL_CP2_SA_CONTENTS_LIBDB_NUM 0 # define XCHAL_CP2_SA_CONTENTS_LIBDB /* empty */ #endif #ifndef XCHAL_CP3_NAME # define XCHAL_CP3_NAME 0 # define XCHAL_CP3_SA_CONTENTS_LIBDB_NUM 0 # define XCHAL_CP3_SA_CONTENTS_LIBDB /* empty */ #endif #ifndef XCHAL_CP4_NAME # define XCHAL_CP4_NAME 0 # define XCHAL_CP4_SA_CONTENTS_LIBDB_NUM 0 # define XCHAL_CP4_SA_CONTENTS_LIBDB /* empty */ #endif #ifndef XCHAL_CP5_NAME # define XCHAL_CP5_NAME 0 # define XCHAL_CP5_SA_CONTENTS_LIBDB_NUM 0 # define XCHAL_CP5_SA_CONTENTS_LIBDB /* empty */ #endif #ifndef XCHAL_CP6_NAME # define XCHAL_CP6_NAME 0 # define XCHAL_CP6_SA_CONTENTS_LIBDB_NUM 0 # define XCHAL_CP6_SA_CONTENTS_LIBDB /* empty */ #endif #ifndef XCHAL_CP7_NAME # define XCHAL_CP7_NAME 0 # define XCHAL_CP7_SA_CONTENTS_LIBDB_NUM 0 # define XCHAL_CP7_SA_CONTENTS_LIBDB /* empty */ #endif #if XCHAL_CP_MASK == 0 /* Filler info for unassigned coprocessors, to simplify arrays etc: */ #define XCHAL_CP0_SA_SIZE 0 #define XCHAL_CP0_SA_ALIGN 1 #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 #endif /* Indexing macros: */ #define _XCHAL_CP_SA_SIZE(n) XCHAL_CP ## n ## _SA_SIZE #define XCHAL_CP_SA_SIZE(n) _XCHAL_CP_SA_SIZE(n) /* n = 0 .. 7 */ #define _XCHAL_CP_SA_ALIGN(n) XCHAL_CP ## n ## _SA_ALIGN #define XCHAL_CP_SA_ALIGN(n) _XCHAL_CP_SA_ALIGN(n) /* n = 0 .. 7 */ #define XCHAL_CPEXTRA_SA_SIZE_TOR2 XCHAL_CPEXTRA_SA_SIZE /* Tor2Beta only - do not use */ /* Link-time HAL global variables that report coprocessor numbers by name (names are case-preserved from the original TIE): */ #if !defined(_ASMLANGUAGE) && !defined(_NOCLANGUAGE) && !defined(__ASSEMBLER__) # define _XCJOIN(a,b) a ## b # define XCJOIN(a,b) _XCJOIN(a,b) # ifdef XCHAL_CP0_NAME extern const unsigned char XCJOIN(Xthal_cp_id_,XCHAL_CP0_IDENT); extern const unsigned int XCJOIN(Xthal_cp_mask_,XCHAL_CP0_IDENT); # endif # ifdef XCHAL_CP1_NAME extern const unsigned char XCJOIN(Xthal_cp_id_,XCHAL_CP1_IDENT); extern const unsigned int XCJOIN(Xthal_cp_mask_,XCHAL_CP1_IDENT); # endif # ifdef XCHAL_CP2_NAME extern const unsigned char XCJOIN(Xthal_cp_id_,XCHAL_CP2_IDENT); extern const unsigned int XCJOIN(Xthal_cp_mask_,XCHAL_CP2_IDENT); # endif # ifdef XCHAL_CP3_NAME extern const unsigned char XCJOIN(Xthal_cp_id_,XCHAL_CP3_IDENT); extern const unsigned int XCJOIN(Xthal_cp_mask_,XCHAL_CP3_IDENT); # endif # ifdef XCHAL_CP4_NAME extern const unsigned char XCJOIN(Xthal_cp_id_,XCHAL_CP4_IDENT); extern const unsigned int XCJOIN(Xthal_cp_mask_,XCHAL_CP4_IDENT); # endif # ifdef XCHAL_CP5_NAME extern const unsigned char XCJOIN(Xthal_cp_id_,XCHAL_CP5_IDENT); extern const unsigned int XCJOIN(Xthal_cp_mask_,XCHAL_CP5_IDENT); # endif # ifdef XCHAL_CP6_NAME extern const unsigned char XCJOIN(Xthal_cp_id_,XCHAL_CP6_IDENT); extern const unsigned int XCJOIN(Xthal_cp_mask_,XCHAL_CP6_IDENT); # endif # ifdef XCHAL_CP7_NAME extern const unsigned char XCJOIN(Xthal_cp_id_,XCHAL_CP7_IDENT); extern const unsigned int XCJOIN(Xthal_cp_mask_,XCHAL_CP7_IDENT); # endif #endif /*---------------------------------------------------------------------- DERIVED ----------------------------------------------------------------------*/ #if XCHAL_HAVE_BE #define XCHAL_INST_ILLN 0xD60F /* 2-byte illegal instruction, msb-first */ #define XCHAL_INST_ILLN_BYTE0 0xD6 /* 2-byte illegal instruction, 1st byte */ #define XCHAL_INST_ILLN_BYTE1 0x0F /* 2-byte illegal instruction, 2nd byte */ #else #define XCHAL_INST_ILLN 0xF06D /* 2-byte illegal instruction, lsb-first */ #define XCHAL_INST_ILLN_BYTE0 0x6D /* 2-byte illegal instruction, 1st byte */ #define XCHAL_INST_ILLN_BYTE1 0xF0 /* 2-byte illegal instruction, 2nd byte */ #endif /* Belongs in xtensa/hal.h: */ #define XTHAL_INST_ILL 0x000000 /* 3-byte illegal instruction */ /* * Because information as to exactly which hardware version is targeted * by a given software build is not always available, compile-time HAL * Hardware-Release "_AT" macros are fuzzy (return 0, 1, or XCHAL_MAYBE): * (Here "RELEASE" is now a misnomer; these are product *versions*, not the releases * under which they are released. In the T10##.# era there was no distinction.) */ #if XCHAL_HW_CONFIGID_RELIABLE # define XCHAL_HW_RELEASE_AT_OR_BELOW(major,minor) (XTHAL_REL_LE( XCHAL_HW_VERSION_MAJOR,XCHAL_HW_VERSION_MINOR, major,minor ) ? 1 : 0) # define XCHAL_HW_RELEASE_AT_OR_ABOVE(major,minor) (XTHAL_REL_GE( XCHAL_HW_VERSION_MAJOR,XCHAL_HW_VERSION_MINOR, major,minor ) ? 1 : 0) # define XCHAL_HW_RELEASE_AT(major,minor) (XTHAL_REL_EQ( XCHAL_HW_VERSION_MAJOR,XCHAL_HW_VERSION_MINOR, major,minor ) ? 1 : 0) # define XCHAL_HW_RELEASE_MAJOR_AT(major) ((XCHAL_HW_VERSION_MAJOR == (major)) ? 1 : 0) #else # define XCHAL_HW_RELEASE_AT_OR_BELOW(major,minor) ( ((major) < 1040 && XCHAL_HAVE_XEA2) ? 0 \ : ((major) > 1050 && XCHAL_HAVE_XEA1) ? 1 \ : XTHAL_MAYBE ) # define XCHAL_HW_RELEASE_AT_OR_ABOVE(major,minor) ( ((major) >= 2000 && XCHAL_HAVE_XEA1) ? 0 \ : (XTHAL_REL_LE(major,minor, 1040,0) && XCHAL_HAVE_XEA2) ? 1 \ : XTHAL_MAYBE ) # define XCHAL_HW_RELEASE_AT(major,minor) ( (((major) < 1040 && XCHAL_HAVE_XEA2) || \ ((major) >= 2000 && XCHAL_HAVE_XEA1)) ? 0 : XTHAL_MAYBE) # define XCHAL_HW_RELEASE_MAJOR_AT(major) XCHAL_HW_RELEASE_AT(major,0) #endif /* * Specific errata: */ /* * Erratum T1020.H13, T1030.H7, T1040.H10, T1050.H4 (fixed in T1040.3 and T1050.1; * relevant only in XEA1, kernel-vector mode, level-one interrupts and overflows enabled): */ #define XCHAL_MAYHAVE_ERRATUM_XEA1KWIN (XCHAL_HAVE_XEA1 && \ (XCHAL_HW_RELEASE_AT_OR_BELOW(1040,2) != 0 \ || XCHAL_HW_RELEASE_AT(1050,0))) /* * Erratum 453 present in RE-2013.2 up to RF-2014.0, fixed in RF-2014.1. * Applies to specific set of configuration options. * Part of the workaround is to add ISYNC at certain points in the code. * The workaround gated by this macro can be disabled if not needed, e.g. if * zero-overhead loop buffer will be disabled, by defining _NO_ERRATUM_453. */ #if ( XCHAL_HW_MAX_VERSION >= XTENSA_HWVERSION_RE_2013_2 && \ XCHAL_HW_MIN_VERSION <= XTENSA_HWVERSION_RF_2014_0 && \ XCHAL_ICACHE_SIZE != 0 && XCHAL_HAVE_PIF /*covers also AXI/AHB*/ && \ XCHAL_HAVE_LOOPS && XCHAL_LOOP_BUFFER_SIZE != 0 && \ XCHAL_CLOCK_GATING_GLOBAL && !defined(_NO_ERRATUM_453) ) #define XCHAL_ERRATUM_453 1 #else #define XCHAL_ERRATUM_453 0 #endif /* * Erratum 497 present in RE-2012.2 up to RG/RF-2015.2 * Applies to specific set of configuration options. * Workaround is to add MEMWs after at most 8 cache WB instructions */ #if ( ((XCHAL_HW_MAX_VERSION >= XTENSA_HWVERSION_RE_2012_0 && \ XCHAL_HW_MIN_VERSION <= XTENSA_HWVERSION_RF_2015_2) || \ (XCHAL_HW_MAX_VERSION >= XTENSA_HWVERSION_RG_2015_0 && \ XCHAL_HW_MIN_VERSION <= XTENSA_HWVERSION_RG_2015_2) \ ) && \ XCHAL_DCACHE_IS_WRITEBACK && \ XCHAL_HAVE_AXI && \ XCHAL_HAVE_PIF_WR_RESP && \ XCHAL_HAVE_PIF_REQ_ATTR && !defined(_NO_ERRATUM_497) \ ) #define XCHAL_ERRATUM_497 1 #else #define XCHAL_ERRATUM_497 0 #endif #endif /*XTENSA_CONFIG_CORE_H*/