Daniel Hellstrom | 9d7c6b2 | 2008-03-28 09:47:00 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Added to U-boot, |
| 3 | * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com |
| 4 | * Copyright (C) 2007 |
| 5 | * |
| 6 | * LEON2/3 LIBIO low-level routines |
| 7 | * Written by Jiri Gaisler. |
| 8 | * Copyright (C) 2004 Gaisler Research AB |
Wolfgang Denk | d79de1d | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 9 | * |
| 10 | * SPDX-License-Identifier: GPL-2.0+ |
| 11 | */ |
Daniel Hellstrom | 9d7c6b2 | 2008-03-28 09:47:00 +0100 | [diff] [blame] | 12 | |
Wolfgang Denk | d79de1d | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 13 | #ifndef __SPARC_WINMACRO_H__ |
| 14 | #define __SPARC_WINMACRO_H__ |
Daniel Hellstrom | 9d7c6b2 | 2008-03-28 09:47:00 +0100 | [diff] [blame] | 15 | |
Wolfgang Denk | d79de1d | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 16 | #include <asm/asmmacro.h> |
| 17 | #include <asm/stack.h> |
Daniel Hellstrom | 9d7c6b2 | 2008-03-28 09:47:00 +0100 | [diff] [blame] | 18 | |
Wolfgang Denk | d79de1d | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 19 | /* Store the register window onto the 8-byte aligned area starting |
| 20 | * at %reg. It might be %sp, it might not, we don't care. |
| 21 | */ |
| 22 | #define RW_STORE(reg) \ |
| 23 | std %l0, [%reg + RW_L0]; \ |
| 24 | std %l2, [%reg + RW_L2]; \ |
| 25 | std %l4, [%reg + RW_L4]; \ |
| 26 | std %l6, [%reg + RW_L6]; \ |
| 27 | std %i0, [%reg + RW_I0]; \ |
| 28 | std %i2, [%reg + RW_I2]; \ |
| 29 | std %i4, [%reg + RW_I4]; \ |
| 30 | std %i6, [%reg + RW_I6]; |
| 31 | |
| 32 | /* Load a register window from the area beginning at %reg. */ |
| 33 | #define RW_LOAD(reg) \ |
| 34 | ldd [%reg + RW_L0], %l0; \ |
| 35 | ldd [%reg + RW_L2], %l2; \ |
| 36 | ldd [%reg + RW_L4], %l4; \ |
| 37 | ldd [%reg + RW_L6], %l6; \ |
| 38 | ldd [%reg + RW_I0], %i0; \ |
| 39 | ldd [%reg + RW_I2], %i2; \ |
| 40 | ldd [%reg + RW_I4], %i4; \ |
| 41 | ldd [%reg + RW_I6], %i6; |
| 42 | |
| 43 | /* Loading and storing struct pt_reg trap frames. */ |
| 44 | #define PT_LOAD_INS(base_reg) \ |
| 45 | ldd [%base_reg + SF_REGS_SZ + PT_I0], %i0; \ |
| 46 | ldd [%base_reg + SF_REGS_SZ + PT_I2], %i2; \ |
| 47 | ldd [%base_reg + SF_REGS_SZ + PT_I4], %i4; \ |
| 48 | ldd [%base_reg + SF_REGS_SZ + PT_I6], %i6; |
| 49 | |
| 50 | #define PT_LOAD_GLOBALS(base_reg) \ |
| 51 | ld [%base_reg + SF_REGS_SZ + PT_G1], %g1; \ |
| 52 | ldd [%base_reg + SF_REGS_SZ + PT_G2], %g2; \ |
| 53 | ldd [%base_reg + SF_REGS_SZ + PT_G4], %g4; \ |
| 54 | ldd [%base_reg + SF_REGS_SZ + PT_G6], %g6; |
| 55 | |
| 56 | #define PT_LOAD_YREG(base_reg, scratch) \ |
| 57 | ld [%base_reg + SF_REGS_SZ + PT_Y], %scratch; \ |
| 58 | wr %scratch, 0x0, %y; |
| 59 | |
| 60 | #define PT_LOAD_PRIV(base_reg, pt_psr, pt_pc, pt_npc) \ |
| 61 | ld [%base_reg + SF_REGS_SZ + PT_PSR], %pt_psr; \ |
| 62 | ld [%base_reg + SF_REGS_SZ + PT_PC], %pt_pc; \ |
| 63 | ld [%base_reg + SF_REGS_SZ + PT_NPC], %pt_npc; |
| 64 | |
| 65 | #define PT_LOAD_ALL(base_reg, pt_psr, pt_pc, pt_npc, scratch) \ |
| 66 | PT_LOAD_YREG(base_reg, scratch) \ |
| 67 | PT_LOAD_INS(base_reg) \ |
| 68 | PT_LOAD_GLOBALS(base_reg) \ |
| 69 | PT_LOAD_PRIV(base_reg, pt_psr, pt_pc, pt_npc) |
| 70 | |
| 71 | #define PT_STORE_INS(base_reg) \ |
| 72 | std %i0, [%base_reg + SF_REGS_SZ + PT_I0]; \ |
| 73 | std %i2, [%base_reg + SF_REGS_SZ + PT_I2]; \ |
| 74 | std %i4, [%base_reg + SF_REGS_SZ + PT_I4]; \ |
| 75 | std %i6, [%base_reg + SF_REGS_SZ + PT_I6]; |
| 76 | |
| 77 | #define PT_STORE_GLOBALS(base_reg) \ |
| 78 | st %g1, [%base_reg + SF_REGS_SZ + PT_G1]; \ |
| 79 | std %g2, [%base_reg + SF_REGS_SZ + PT_G2]; \ |
| 80 | std %g4, [%base_reg + SF_REGS_SZ + PT_G4]; \ |
| 81 | std %g6, [%base_reg + SF_REGS_SZ + PT_G6]; |
| 82 | |
| 83 | #define PT_STORE_YREG(base_reg, scratch) \ |
| 84 | rd %y, %scratch; \ |
| 85 | st %scratch, [%base_reg + SF_REGS_SZ + PT_Y]; |
| 86 | |
| 87 | #define PT_STORE_PRIV(base_reg, pt_psr, pt_pc, pt_npc) \ |
| 88 | st %pt_psr, [%base_reg + SF_REGS_SZ + PT_PSR]; \ |
| 89 | st %pt_pc, [%base_reg + SF_REGS_SZ + PT_PC]; \ |
| 90 | st %pt_npc, [%base_reg + SF_REGS_SZ + PT_NPC]; |
| 91 | |
| 92 | #define PT_STORE_ALL(base_reg, reg_psr, reg_pc, reg_npc, g_scratch) \ |
| 93 | PT_STORE_PRIV(base_reg, reg_psr, reg_pc, reg_npc) \ |
| 94 | PT_STORE_GLOBALS(base_reg) \ |
| 95 | PT_STORE_YREG(base_reg, g_scratch) \ |
| 96 | PT_STORE_INS(base_reg) |
| 97 | |
| 98 | /* Store the fpu register window*/ |
| 99 | #define FW_STORE(reg) \ |
| 100 | std %f0, [reg + FW_F0]; \ |
| 101 | std %f2, [reg + FW_F2]; \ |
| 102 | std %f4, [reg + FW_F4]; \ |
| 103 | std %f6, [reg + FW_F6]; \ |
| 104 | std %f8, [reg + FW_F8]; \ |
| 105 | std %f10, [reg + FW_F10]; \ |
| 106 | std %f12, [reg + FW_F12]; \ |
| 107 | std %f14, [reg + FW_F14]; \ |
| 108 | std %f16, [reg + FW_F16]; \ |
| 109 | std %f18, [reg + FW_F18]; \ |
| 110 | std %f20, [reg + FW_F20]; \ |
| 111 | std %f22, [reg + FW_F22]; \ |
| 112 | std %f24, [reg + FW_F24]; \ |
| 113 | std %f26, [reg + FW_F26]; \ |
| 114 | std %f28, [reg + FW_F28]; \ |
| 115 | std %f30, [reg + FW_F30]; \ |
| 116 | st %fsr, [reg + FW_FSR]; |
| 117 | |
| 118 | /* Load a fpu register window from the area beginning at reg. */ |
| 119 | #define FW_LOAD(reg) \ |
| 120 | ldd [reg + FW_F0], %f0; \ |
| 121 | ldd [reg + FW_F2], %f2; \ |
| 122 | ldd [reg + FW_F4], %f4; \ |
| 123 | ldd [reg + FW_F6], %f6; \ |
| 124 | ldd [reg + FW_F8], %f8; \ |
| 125 | ldd [reg + FW_F10], %f10; \ |
| 126 | ldd [reg + FW_F12], %f12; \ |
| 127 | ldd [reg + FW_F14], %f14; \ |
| 128 | ldd [reg + FW_F16], %f16; \ |
| 129 | ldd [reg + FW_F18], %f18; \ |
| 130 | ldd [reg + FW_F20], %f20; \ |
| 131 | ldd [reg + FW_F22], %f22; \ |
| 132 | ldd [reg + FW_F24], %f24; \ |
| 133 | ldd [reg + FW_F26], %f26; \ |
| 134 | ldd [reg + FW_F28], %f28; \ |
| 135 | ldd [reg + FW_F30], %f30; \ |
| 136 | ld [reg + FW_FSR], %fsr; |
Daniel Hellstrom | 9d7c6b2 | 2008-03-28 09:47:00 +0100 | [diff] [blame] | 137 | |
Wolfgang Denk | d79de1d | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 138 | #endif |
Daniel Hellstrom | 9d7c6b2 | 2008-03-28 09:47:00 +0100 | [diff] [blame] | 139 | |
| 140 | #ifndef __SPARC_WINMACRO_H__ |
| 141 | #define __SPARC_WINMACRO_H__ |
| 142 | |
| 143 | #include <asm/asmmacro.h> |
| 144 | #include <asm/stack.h> |
| 145 | |
| 146 | /* Store the register window onto the 8-byte aligned area starting |
| 147 | * at %reg. It might be %sp, it might not, we don't care. |
| 148 | */ |
| 149 | #define RW_STORE(reg) \ |
| 150 | std %l0, [%reg + RW_L0]; \ |
| 151 | std %l2, [%reg + RW_L2]; \ |
| 152 | std %l4, [%reg + RW_L4]; \ |
| 153 | std %l6, [%reg + RW_L6]; \ |
| 154 | std %i0, [%reg + RW_I0]; \ |
| 155 | std %i2, [%reg + RW_I2]; \ |
| 156 | std %i4, [%reg + RW_I4]; \ |
| 157 | std %i6, [%reg + RW_I6]; |
| 158 | |
| 159 | /* Load a register window from the area beginning at %reg. */ |
| 160 | #define RW_LOAD(reg) \ |
| 161 | ldd [%reg + RW_L0], %l0; \ |
| 162 | ldd [%reg + RW_L2], %l2; \ |
| 163 | ldd [%reg + RW_L4], %l4; \ |
| 164 | ldd [%reg + RW_L6], %l6; \ |
| 165 | ldd [%reg + RW_I0], %i0; \ |
| 166 | ldd [%reg + RW_I2], %i2; \ |
| 167 | ldd [%reg + RW_I4], %i4; \ |
| 168 | ldd [%reg + RW_I6], %i6; |
| 169 | |
| 170 | /* Loading and storing struct pt_reg trap frames. */ |
| 171 | #define PT_LOAD_INS(base_reg) \ |
| 172 | ldd [%base_reg + SF_REGS_SZ + PT_I0], %i0; \ |
| 173 | ldd [%base_reg + SF_REGS_SZ + PT_I2], %i2; \ |
| 174 | ldd [%base_reg + SF_REGS_SZ + PT_I4], %i4; \ |
| 175 | ldd [%base_reg + SF_REGS_SZ + PT_I6], %i6; |
| 176 | |
| 177 | #define PT_LOAD_GLOBALS(base_reg) \ |
| 178 | ld [%base_reg + SF_REGS_SZ + PT_G1], %g1; \ |
| 179 | ldd [%base_reg + SF_REGS_SZ + PT_G2], %g2; \ |
| 180 | ldd [%base_reg + SF_REGS_SZ + PT_G4], %g4; \ |
| 181 | ldd [%base_reg + SF_REGS_SZ + PT_G6], %g6; |
| 182 | |
| 183 | #define PT_LOAD_YREG(base_reg, scratch) \ |
| 184 | ld [%base_reg + SF_REGS_SZ + PT_Y], %scratch; \ |
| 185 | wr %scratch, 0x0, %y; |
| 186 | |
| 187 | #define PT_LOAD_PRIV(base_reg, pt_psr, pt_pc, pt_npc) \ |
| 188 | ld [%base_reg + SF_REGS_SZ + PT_PSR], %pt_psr; \ |
| 189 | ld [%base_reg + SF_REGS_SZ + PT_PC], %pt_pc; \ |
| 190 | ld [%base_reg + SF_REGS_SZ + PT_NPC], %pt_npc; |
| 191 | |
| 192 | #define PT_LOAD_ALL(base_reg, pt_psr, pt_pc, pt_npc, scratch) \ |
| 193 | PT_LOAD_YREG(base_reg, scratch) \ |
| 194 | PT_LOAD_INS(base_reg) \ |
| 195 | PT_LOAD_GLOBALS(base_reg) \ |
| 196 | PT_LOAD_PRIV(base_reg, pt_psr, pt_pc, pt_npc) |
| 197 | |
| 198 | #define PT_STORE_INS(base_reg) \ |
| 199 | std %i0, [%base_reg + SF_REGS_SZ + PT_I0]; \ |
| 200 | std %i2, [%base_reg + SF_REGS_SZ + PT_I2]; \ |
| 201 | std %i4, [%base_reg + SF_REGS_SZ + PT_I4]; \ |
| 202 | std %i6, [%base_reg + SF_REGS_SZ + PT_I6]; |
| 203 | |
| 204 | #define PT_STORE_GLOBALS(base_reg) \ |
| 205 | st %g1, [%base_reg + SF_REGS_SZ + PT_G1]; \ |
| 206 | std %g2, [%base_reg + SF_REGS_SZ + PT_G2]; \ |
| 207 | std %g4, [%base_reg + SF_REGS_SZ + PT_G4]; \ |
| 208 | std %g6, [%base_reg + SF_REGS_SZ + PT_G6]; |
| 209 | |
| 210 | #define PT_STORE_YREG(base_reg, scratch) \ |
| 211 | rd %y, %scratch; \ |
| 212 | st %scratch, [%base_reg + SF_REGS_SZ + PT_Y]; |
| 213 | |
| 214 | #define PT_STORE_PRIV(base_reg, pt_psr, pt_pc, pt_npc) \ |
| 215 | st %pt_psr, [%base_reg + SF_REGS_SZ + PT_PSR]; \ |
| 216 | st %pt_pc, [%base_reg + SF_REGS_SZ + PT_PC]; \ |
| 217 | st %pt_npc, [%base_reg + SF_REGS_SZ + PT_NPC]; |
| 218 | |
| 219 | #define PT_STORE_ALL(base_reg, reg_psr, reg_pc, reg_npc, g_scratch) \ |
| 220 | PT_STORE_PRIV(base_reg, reg_psr, reg_pc, reg_npc) \ |
| 221 | PT_STORE_GLOBALS(base_reg) \ |
| 222 | PT_STORE_YREG(base_reg, g_scratch) \ |
| 223 | PT_STORE_INS(base_reg) |
| 224 | |
| 225 | /* Store the fpu register window*/ |
| 226 | #define FW_STORE(reg) \ |
| 227 | std %f0, [reg + FW_F0]; \ |
| 228 | std %f2, [reg + FW_F2]; \ |
| 229 | std %f4, [reg + FW_F4]; \ |
| 230 | std %f6, [reg + FW_F6]; \ |
| 231 | std %f8, [reg + FW_F8]; \ |
| 232 | std %f10, [reg + FW_F10]; \ |
| 233 | std %f12, [reg + FW_F12]; \ |
| 234 | std %f14, [reg + FW_F14]; \ |
| 235 | std %f16, [reg + FW_F16]; \ |
| 236 | std %f18, [reg + FW_F18]; \ |
| 237 | std %f20, [reg + FW_F20]; \ |
| 238 | std %f22, [reg + FW_F22]; \ |
| 239 | std %f24, [reg + FW_F24]; \ |
| 240 | std %f26, [reg + FW_F26]; \ |
| 241 | std %f28, [reg + FW_F28]; \ |
| 242 | std %f30, [reg + FW_F30]; \ |
| 243 | st %fsr, [reg + FW_FSR]; |
| 244 | |
| 245 | /* Load a fpu register window from the area beginning at reg. */ |
| 246 | #define FW_LOAD(reg) \ |
| 247 | ldd [reg + FW_F0], %f0; \ |
| 248 | ldd [reg + FW_F2], %f2; \ |
| 249 | ldd [reg + FW_F4], %f4; \ |
| 250 | ldd [reg + FW_F6], %f6; \ |
| 251 | ldd [reg + FW_F8], %f8; \ |
| 252 | ldd [reg + FW_F10], %f10; \ |
| 253 | ldd [reg + FW_F12], %f12; \ |
| 254 | ldd [reg + FW_F14], %f14; \ |
| 255 | ldd [reg + FW_F16], %f16; \ |
| 256 | ldd [reg + FW_F18], %f18; \ |
| 257 | ldd [reg + FW_F20], %f20; \ |
| 258 | ldd [reg + FW_F22], %f22; \ |
| 259 | ldd [reg + FW_F24], %f24; \ |
| 260 | ldd [reg + FW_F26], %f26; \ |
| 261 | ldd [reg + FW_F28], %f28; \ |
| 262 | ldd [reg + FW_F30], %f30; \ |
| 263 | ld [reg + FW_FSR], %fsr; |
| 264 | |
| 265 | #endif |