195 lines
9.4 KiB
C
195 lines
9.4 KiB
C
/****************************************************************************
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* arch/xtensa/include/esp32/tie.h
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* Compile-time HAL definitions dependent on CORE & TIE configuration
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*
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* NOTE: This header file is not meant to be included directly.
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*
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* This header file describes this specific Xtensa processor's TIE extensions
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* that extend basic Xtensa core functionality. It is customized to this
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* Xtensa processor configuration.
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*
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* Customer ID=11657; Build=0x5fe96;
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* Copyright (c) 1999-2016 Cadence Design Systems Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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****************************************************************************/
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#ifndef __ARCH_XTENSA_INCLUDE_ESP32_TIE_H
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#define __ARCH_XTENSA_INCLUDE_ESP32_TIE_H
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define XCHAL_CP_NUM 1 /* number of coprocessors */
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#define XCHAL_CP_MAX 1 /* max CP ID + 1 (0 if none) */
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#define XCHAL_CP_MASK 0x01 /* bitmask of all CPs by ID */
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#define XCHAL_CP_PORT_MASK 0x00 /* bitmask of only port CPs */
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/* Basic parameters of each coprocessor: */
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#define XCHAL_CP0_NAME "FPU"
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#define XCHAL_CP0_IDENT FPU
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#define XCHAL_CP0_SA_SIZE 72 /* size of state save area */
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#define XCHAL_CP0_SA_ALIGN 4 /* min alignment of save area */
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#define XCHAL_CP_ID_FPU 0 /* coprocessor ID (0..7) */
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/* Filler info for unassigned coprocessors, to simplify arrays etc: */
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#define XCHAL_CP1_SA_SIZE 0
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#define XCHAL_CP1_SA_ALIGN 1
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#define XCHAL_CP2_SA_SIZE 0
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#define XCHAL_CP2_SA_ALIGN 1
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#define XCHAL_CP3_SA_SIZE 0
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#define XCHAL_CP3_SA_ALIGN 1
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#define XCHAL_CP4_SA_SIZE 0
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#define XCHAL_CP4_SA_ALIGN 1
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#define XCHAL_CP5_SA_SIZE 0
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#define XCHAL_CP5_SA_ALIGN 1
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#define XCHAL_CP6_SA_SIZE 0
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#define XCHAL_CP6_SA_ALIGN 1
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#define XCHAL_CP7_SA_SIZE 0
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#define XCHAL_CP7_SA_ALIGN 1
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/* Save area for non-coprocessor optional and custom (TIE) state: */
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#define XCHAL_NCP_SA_SIZE 48
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#define XCHAL_NCP_SA_ALIGN 4
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/* Total save area for optional and custom state (NCP + CPn): */
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#define XCHAL_TOTAL_SA_SIZE 128 /* With 16-byte align padding */
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#define XCHAL_TOTAL_SA_ALIGN 4 /* Actual minimum alignment */
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/* Detailed contents of save areas.
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* NOTE: caller must define the XCHAL_SA_REG macro (not defined here)
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* before expanding the XCHAL_xxx_SA_LIST() macros.
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*
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* XCHAL_SA_REG(s,ccused,abikind,kind,opt,name,galign,align,asize,
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* dbnum,base,regnum,bitsz,gapsz,reset,x...)
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*
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* s = passed from XCHAL_*_LIST(s), eg. to select how to expand
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* ccused = set if used by compiler without special options or code
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* abikind = 0 (caller-saved), 1 (callee-saved), or 2 (thread-global)
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* kind = 0 (special reg), 1 (TIE user reg), or 2 (TIE regfile reg)
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* opt = 0 (custom TIE extension or coprocessor), or 1 (optional reg)
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* name = lowercase reg name (no quotes)
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* galign = group byte alignment (power of 2) (galign >= align)
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* align = register byte alignment (power of 2)
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* asize = allocated size in bytes (asize*8 == bitsz + gapsz + padsz)
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* (not including any pad bytes required to galign this or next reg)
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* dbnum = unique target number f/debug (see <xtensa-libdb-macros.h>)
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* base = reg shortname w/o index (or sr=special, ur=TIE user reg)
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* regnum = reg index in regfile, or special/TIE-user reg number
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* bitsz = number of significant bits (regfile width, or ur/sr mask bits)
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* gapsz = intervening bits, if bitsz bits not stored contiguously
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* (padsz = pad bits at end [TIE regfile] or at msbits [ur,sr] of asize)
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* reset = register reset value (or 0 if undefined at reset)
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* x = reserved for future use (0 until then)
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*
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* To filter out certain registers, e.g. to expand only the non-global
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* registers used by the compiler, you can do something like this:
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*
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* #define XCHAL_SA_REG(s,ccused,p...) SELCC##ccused(p)
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* #define SELCC0(p...)
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* #define SELCC1(abikind,p...) SELAK##abikind(p)
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* #define SELAK0(p...) REG(p)
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* #define SELAK1(p...) REG(p)
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* #define SELAK2(p...)
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* #define REG(kind,tie,name,galn,aln,asz,csz,dbnum,base,rnum,bsz,rst,x...) \
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* ...what you want to expand...
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*/
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#define XCHAL_NCP_SA_NUM 12
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#define XCHAL_NCP_SA_LIST(s) \
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XCHAL_SA_REG(s,1,2,1,1, threadptr, 4, 4, 4,0x03E7, ur,231, 32,0,0,0) \
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XCHAL_SA_REG(s,1,0,0,1, acclo, 4, 4, 4,0x0210, sr,16 , 32,0,0,0) \
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XCHAL_SA_REG(s,1,0,0,1, acchi, 4, 4, 4,0x0211, sr,17 , 8,0,0,0) \
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XCHAL_SA_REG(s,0,0,0,1, br, 4, 4, 4,0x0204, sr,4 , 16,0,0,0) \
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XCHAL_SA_REG(s,0,0,0,1, scompare1, 4, 4, 4,0x020C, sr,12 , 32,0,0,0) \
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XCHAL_SA_REG(s,0,0,0,1, m0, 4, 4, 4,0x0220, sr,32 , 32,0,0,0) \
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XCHAL_SA_REG(s,0,0,0,1, m1, 4, 4, 4,0x0221, sr,33 , 32,0,0,0) \
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XCHAL_SA_REG(s,0,0,0,1, m2, 4, 4, 4,0x0222, sr,34 , 32,0,0,0) \
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XCHAL_SA_REG(s,0,0,0,1, m3, 4, 4, 4,0x0223, sr,35 , 32,0,0,0) \
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XCHAL_SA_REG(s,0,0,1,0, f64r_lo, 4, 4, 4,0x03EA, ur,234, 32,0,0,0) \
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XCHAL_SA_REG(s,0,0,1,0, f64r_hi, 4, 4, 4,0x03EB, ur,235, 32,0,0,0) \
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XCHAL_SA_REG(s,0,0,1,0, f64s, 4, 4, 4,0x03EC, ur,236, 32,0,0,0)
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#define XCHAL_CP0_SA_NUM 18
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#define XCHAL_CP0_SA_LIST(s) \
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XCHAL_SA_REG(s,0,0,1,0, fcr, 4, 4, 4,0x03E8, ur,232, 32,0,0,0) \
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XCHAL_SA_REG(s,0,0,1,0, fsr, 4, 4, 4,0x03E9, ur,233, 32,0,0,0) \
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XCHAL_SA_REG(s,0,0,2,0, f0, 4, 4, 4,0x0030, f,0 , 32,0,0,0) \
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XCHAL_SA_REG(s,0,0,2,0, f1, 4, 4, 4,0x0031, f,1 , 32,0,0,0) \
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XCHAL_SA_REG(s,0,0,2,0, f2, 4, 4, 4,0x0032, f,2 , 32,0,0,0) \
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XCHAL_SA_REG(s,0,0,2,0, f3, 4, 4, 4,0x0033, f,3 , 32,0,0,0) \
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XCHAL_SA_REG(s,0,0,2,0, f4, 4, 4, 4,0x0034, f,4 , 32,0,0,0) \
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XCHAL_SA_REG(s,0,0,2,0, f5, 4, 4, 4,0x0035, f,5 , 32,0,0,0) \
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XCHAL_SA_REG(s,0,0,2,0, f6, 4, 4, 4,0x0036, f,6 , 32,0,0,0) \
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XCHAL_SA_REG(s,0,0,2,0, f7, 4, 4, 4,0x0037, f,7 , 32,0,0,0) \
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XCHAL_SA_REG(s,0,0,2,0, f8, 4, 4, 4,0x0038, f,8 , 32,0,0,0) \
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XCHAL_SA_REG(s,0,0,2,0, f9, 4, 4, 4,0x0039, f,9 , 32,0,0,0) \
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XCHAL_SA_REG(s,0,0,2,0, f10, 4, 4, 4,0x003A, f,10 , 32,0,0,0) \
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XCHAL_SA_REG(s,0,0,2,0, f11, 4, 4, 4,0x003B, f,11 , 32,0,0,0) \
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XCHAL_SA_REG(s,0,0,2,0, f12, 4, 4, 4,0x003C, f,12 , 32,0,0,0) \
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XCHAL_SA_REG(s,0,0,2,0, f13, 4, 4, 4,0x003D, f,13 , 32,0,0,0) \
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XCHAL_SA_REG(s,0,0,2,0, f14, 4, 4, 4,0x003E, f,14 , 32,0,0,0) \
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XCHAL_SA_REG(s,0,0,2,0, f15, 4, 4, 4,0x003F, f,15 , 32,0,0,0)
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#define XCHAL_CP1_SA_NUM 0
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#define XCHAL_CP1_SA_LIST(s) /* empty */
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#define XCHAL_CP2_SA_NUM 0
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#define XCHAL_CP2_SA_LIST(s) /* empty */
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#define XCHAL_CP3_SA_NUM 0
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#define XCHAL_CP3_SA_LIST(s) /* empty */
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#define XCHAL_CP4_SA_NUM 0
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#define XCHAL_CP4_SA_LIST(s) /* empty */
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#define XCHAL_CP5_SA_NUM 0
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#define XCHAL_CP5_SA_LIST(s) /* empty */
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#define XCHAL_CP6_SA_NUM 0
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#define XCHAL_CP6_SA_LIST(s) /* empty */
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#define XCHAL_CP7_SA_NUM 0
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#define XCHAL_CP7_SA_LIST(s) /* empty */
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/* Byte length of instruction from its first nibble (op0 field), per FLIX. */
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#define XCHAL_OP0_FORMAT_LENGTHS 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3
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/* Byte length of instruction from its first byte, per FLIX. */
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#define XCHAL_BYTE0_FORMAT_LENGTHS \
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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,\
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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,\
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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,\
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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,\
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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,\
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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,\
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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,\
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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
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#endif /* __ARCH_XTENSA_INCLUDE_ESP32_TIE_H */
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