OVMS3-idf/components/xtensa/esp32/include/xtensa/config/tie-asm.h
morris dbdb299bb1 create xtensa component
1. move xtensa specific files out of esp32 component
2. merge xtensa-debug-module component into xtensa
2019-03-27 20:24:28 +08:00

323 lines
14 KiB
C

/*
* 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 <continue> 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 <select>, space for
* the corresponding registers is skipped without doing any store.
*/
.macro xchal_ncp_store 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
rur.THREADPTR \at1 // threadptr option
s32i \at1, \ptr, .Lxchal_ofs_+0
.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
rsr.ACCLO \at1 // MAC16 option
s32i \at1, \ptr, .Lxchal_ofs_+0
rsr.ACCHI \at1 // MAC16 option
s32i \at1, \ptr, .Lxchal_ofs_+4
.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
rsr.BR \at1 // boolean option
s32i \at1, \ptr, .Lxchal_ofs_+0
rsr.SCOMPARE1 \at1 // conditional store option
s32i \at1, \ptr, .Lxchal_ofs_+4
rsr.M0 \at1 // MAC16 option
s32i \at1, \ptr, .Lxchal_ofs_+8
rsr.M1 \at1 // MAC16 option
s32i \at1, \ptr, .Lxchal_ofs_+12
rsr.M2 \at1 // MAC16 option
s32i \at1, \ptr, .Lxchal_ofs_+16
rsr.M3 \at1 // MAC16 option
s32i \at1, \ptr, .Lxchal_ofs_+20
.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
rur.F64R_LO \at1 // ureg 234
s32i \at1, \ptr, .Lxchal_ofs_+0
rur.F64R_HI \at1 // ureg 235
s32i \at1, \ptr, .Lxchal_ofs_+4
rur.F64S \at1 // ureg 236
s32i \at1, \ptr, .Lxchal_ofs_+8
.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_store
/*
* Macro to load 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 load 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 load. Defaults to next available space
* (or 0 if <continue> is 0).
* select Select what category(ies) of registers to load, 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 <select>, 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*/