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git01.mediatek.com / filogic / uboot / 10e4779db8ae6c2784392fa7a1f690645918662d / . / arch / xtensa / include / asm / arch-de212 / tie-asm.h
blob: 988aa2ba578e8c19433e5ea3b3cd95198bc0913d [file] [log] [blame]
Tom Rini10e47792018-05-06 17:58:06 -0400[diff] [blame^]1/* SPDX-License-Identifier: GPL-2.0+ */
Max Filippov49739402016-08-10 18:36:47 +0300[diff] [blame]2/*
3 * This header file contains assembly-language definitions (assembly
4 * macros, etc.) for this specific Xtensa processor's TIE extensions
5 * and options. It is customized to this Xtensa processor configuration.
6 * This file is autogenerated, please do not edit.
7 *
8 * Copyright (C) 1999-2015 Cadence Design Systems Inc.
Max Filippov49739402016-08-10 18:36:47 +0300[diff] [blame]9 */
10
11#ifndef _XTENSA_CORE_TIE_ASM_H
12#define _XTENSA_CORE_TIE_ASM_H
13
14/* Selection parameter values for save-area save/restore macros: */
15/* Option vs. TIE: */
16#define XTHAL_SAS_TIE 0x0001 /* custom extension or coprocessor */
17#define XTHAL_SAS_OPT 0x0002 /* optional (and not a coprocessor) */
18#define XTHAL_SAS_ANYOT 0x0003 /* both of the above */
19/* Whether used automatically by compiler: */
20#define XTHAL_SAS_NOCC 0x0004 /* not used by compiler w/o special opts/code */
21#define XTHAL_SAS_CC 0x0008 /* used by compiler without special opts/code */
22#define XTHAL_SAS_ANYCC 0x000C /* both of the above */
23/* ABI handling across function calls: */
24#define XTHAL_SAS_CALR 0x0010 /* caller-saved */
25#define XTHAL_SAS_CALE 0x0020 /* callee-saved */
26#define XTHAL_SAS_GLOB 0x0040 /* global across function calls (in thread) */
27#define XTHAL_SAS_ANYABI 0x0070 /* all of the above three */
28/* Misc */
29#define XTHAL_SAS_ALL 0xFFFF /* include all default NCP contents */
30#define XTHAL_SAS3(optie,ccuse,abi) ( ((optie) & XTHAL_SAS_ANYOT) \
31 | ((ccuse) & XTHAL_SAS_ANYCC) \
32 | ((abi) & XTHAL_SAS_ANYABI) )
33
34
35 /*
36 * Macro to store all non-coprocessor (extra) custom TIE and optional state
37 * (not including zero-overhead loop registers).
38 * Required parameters:
39 * ptr Save area pointer address register (clobbered)
40 * (register must contain a 4 byte aligned address).
41 * at1..at4 Four temporary address registers (first XCHAL_NCP_NUM_ATMPS
42 * registers are clobbered, the remaining are unused).
43 * Optional parameters:
44 * continue If macro invoked as part of a larger store sequence, set to 1
45 * if this is not the first in the sequence. Defaults to 0.
46 * ofs Offset from start of larger sequence (from value of first ptr
47 * in sequence) at which to store. Defaults to next available space
48 * (or 0 if <continue> is 0).
49 * select Select what category(ies) of registers to store, as a bitmask
50 * (see XTHAL_SAS_xxx constants). Defaults to all registers.
51 * alloc Select what category(ies) of registers to allocate; if any
52 * category is selected here that is not in <select>, space for
53 * the corresponding registers is skipped without doing any store.
54 */
55 .macro xchal_ncp_store ptr at1 at2 at3 at4 continue=0 ofs=-1 select=XTHAL_SAS_ALL alloc=0
56 xchal_sa_start \continue, \ofs
57 // Optional caller-saved registers used by default by the compiler:
58 .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_CALR) & ~(\select)
59 xchal_sa_align \ptr, 0, 1016, 4, 4
60 rsr.ACCLO \at1 // MAC16 option
61 s32i \at1, \ptr, .Lxchal_ofs_+0
62 rsr.ACCHI \at1 // MAC16 option
63 s32i \at1, \ptr, .Lxchal_ofs_+4
64 .set .Lxchal_ofs_, .Lxchal_ofs_ + 8
65 .elseif ((XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_CALR) & ~(\alloc)) == 0
66 xchal_sa_align \ptr, 0, 1016, 4, 4
67 .set .Lxchal_ofs_, .Lxchal_ofs_ + 8
68 .endif
69 // Optional caller-saved registers not used by default by the compiler:
70 .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\select)
71 xchal_sa_align \ptr, 0, 1004, 4, 4
72 rsr.SCOMPARE1 \at1 // conditional store option
73 s32i \at1, \ptr, .Lxchal_ofs_+0
74 rsr.M0 \at1 // MAC16 option
75 s32i \at1, \ptr, .Lxchal_ofs_+4
76 rsr.M1 \at1 // MAC16 option
77 s32i \at1, \ptr, .Lxchal_ofs_+8
78 rsr.M2 \at1 // MAC16 option
79 s32i \at1, \ptr, .Lxchal_ofs_+12
80 rsr.M3 \at1 // MAC16 option
81 s32i \at1, \ptr, .Lxchal_ofs_+16
82 .set .Lxchal_ofs_, .Lxchal_ofs_ + 20
83 .elseif ((XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\alloc)) == 0
84 xchal_sa_align \ptr, 0, 1004, 4, 4
85 .set .Lxchal_ofs_, .Lxchal_ofs_ + 20
86 .endif
87 .endm // xchal_ncp_store
88
89 /*
90 * Macro to load all non-coprocessor (extra) custom TIE and optional state
91 * (not including zero-overhead loop registers).
92 * Required parameters:
93 * ptr Save area pointer address register (clobbered)
94 * (register must contain a 4 byte aligned address).
95 * at1..at4 Four temporary address registers (first XCHAL_NCP_NUM_ATMPS
96 * registers are clobbered, the remaining are unused).
97 * Optional parameters:
98 * continue If macro invoked as part of a larger load sequence, set to 1
99 * if this is not the first in the sequence. Defaults to 0.
100 * ofs Offset from start of larger sequence (from value of first ptr
101 * in sequence) at which to load. Defaults to next available space
102 * (or 0 if <continue> is 0).
103 * select Select what category(ies) of registers to load, as a bitmask
104 * (see XTHAL_SAS_xxx constants). Defaults to all registers.
105 * alloc Select what category(ies) of registers to allocate; if any
106 * category is selected here that is not in <select>, space for
107 * the corresponding registers is skipped without doing any load.
108 */
109 .macro xchal_ncp_load ptr at1 at2 at3 at4 continue=0 ofs=-1 select=XTHAL_SAS_ALL alloc=0
110 xchal_sa_start \continue, \ofs
111 // Optional caller-saved registers used by default by the compiler:
112 .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_CALR) & ~(\select)
113 xchal_sa_align \ptr, 0, 1016, 4, 4
114 l32i \at1, \ptr, .Lxchal_ofs_+0
115 wsr.ACCLO \at1 // MAC16 option
116 l32i \at1, \ptr, .Lxchal_ofs_+4
117 wsr.ACCHI \at1 // MAC16 option
118 .set .Lxchal_ofs_, .Lxchal_ofs_ + 8
119 .elseif ((XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_CALR) & ~(\alloc)) == 0
120 xchal_sa_align \ptr, 0, 1016, 4, 4
121 .set .Lxchal_ofs_, .Lxchal_ofs_ + 8
122 .endif
123 // Optional caller-saved registers not used by default by the compiler:
124 .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\select)
125 xchal_sa_align \ptr, 0, 1004, 4, 4
126 l32i \at1, \ptr, .Lxchal_ofs_+0
127 wsr.SCOMPARE1 \at1 // conditional store option
128 l32i \at1, \ptr, .Lxchal_ofs_+4
129 wsr.M0 \at1 // MAC16 option
130 l32i \at1, \ptr, .Lxchal_ofs_+8
131 wsr.M1 \at1 // MAC16 option
132 l32i \at1, \ptr, .Lxchal_ofs_+12
133 wsr.M2 \at1 // MAC16 option
134 l32i \at1, \ptr, .Lxchal_ofs_+16
135 wsr.M3 \at1 // MAC16 option
136 .set .Lxchal_ofs_, .Lxchal_ofs_ + 20
137 .elseif ((XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\alloc)) == 0
138 xchal_sa_align \ptr, 0, 1004, 4, 4
139 .set .Lxchal_ofs_, .Lxchal_ofs_ + 20
140 .endif
141 .endm // xchal_ncp_load
142
143
144#define XCHAL_NCP_NUM_ATMPS 1
145
146#define XCHAL_SA_NUM_ATMPS 1
147
148#endif /*_XTENSA_CORE_TIE_ASM_H*/
149