root / target-s390x / cpu.h @ a88790a1
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1 | 10ec5117 | Alexander Graf | /*
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2 | 10ec5117 | Alexander Graf | * S/390 virtual CPU header
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3 | 10ec5117 | Alexander Graf | *
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4 | 10ec5117 | Alexander Graf | * Copyright (c) 2009 Ulrich Hecht
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5 | 10ec5117 | Alexander Graf | *
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6 | 10ec5117 | Alexander Graf | * This library is free software; you can redistribute it and/or
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7 | 10ec5117 | Alexander Graf | * modify it under the terms of the GNU Lesser General Public
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8 | 10ec5117 | Alexander Graf | * License as published by the Free Software Foundation; either
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9 | 10ec5117 | Alexander Graf | * version 2 of the License, or (at your option) any later version.
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10 | 10ec5117 | Alexander Graf | *
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11 | 10ec5117 | Alexander Graf | * This library is distributed in the hope that it will be useful,
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12 | 10ec5117 | Alexander Graf | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | 10ec5117 | Alexander Graf | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | 10ec5117 | Alexander Graf | * Lesser General Public License for more details.
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15 | 10ec5117 | Alexander Graf | *
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16 | 10ec5117 | Alexander Graf | * You should have received a copy of the GNU Lesser General Public
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17 | 70539e18 | Blue Swirl | * License along with this library; if not, see <http://www.gnu.org/licenses/>.
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18 | 10ec5117 | Alexander Graf | */
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19 | 10ec5117 | Alexander Graf | #ifndef CPU_S390X_H
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20 | 10ec5117 | Alexander Graf | #define CPU_S390X_H
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21 | 10ec5117 | Alexander Graf | |
22 | 10ec5117 | Alexander Graf | #define TARGET_LONG_BITS 64 |
23 | 10ec5117 | Alexander Graf | |
24 | 10ec5117 | Alexander Graf | #define ELF_MACHINE EM_S390
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25 | 10ec5117 | Alexander Graf | |
26 | 10ec5117 | Alexander Graf | #define CPUState struct CPUS390XState |
27 | 10ec5117 | Alexander Graf | |
28 | 10ec5117 | Alexander Graf | #include "cpu-defs.h" |
29 | 10ec5117 | Alexander Graf | |
30 | 10ec5117 | Alexander Graf | #include "softfloat.h" |
31 | 10ec5117 | Alexander Graf | |
32 | 10c339a0 | Alexander Graf | #define NB_MMU_MODES 2 |
33 | 10ec5117 | Alexander Graf | |
34 | 10ec5117 | Alexander Graf | typedef union FPReg { |
35 | 10ec5117 | Alexander Graf | struct {
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36 | 10ec5117 | Alexander Graf | #ifdef WORDS_BIGENDIAN
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37 | 10ec5117 | Alexander Graf | float32 e; |
38 | 10ec5117 | Alexander Graf | int32_t __pad; |
39 | 10ec5117 | Alexander Graf | #else
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40 | 10ec5117 | Alexander Graf | int32_t __pad; |
41 | 10ec5117 | Alexander Graf | float32 e; |
42 | 10ec5117 | Alexander Graf | #endif
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43 | 10ec5117 | Alexander Graf | }; |
44 | 10ec5117 | Alexander Graf | float64 d; |
45 | 10ec5117 | Alexander Graf | uint64_t i; |
46 | 10ec5117 | Alexander Graf | } FPReg; |
47 | 10ec5117 | Alexander Graf | |
48 | 10ec5117 | Alexander Graf | typedef struct CPUS390XState { |
49 | 10ec5117 | Alexander Graf | uint64_t regs[16]; /* GP registers */ |
50 | 10ec5117 | Alexander Graf | |
51 | 10ec5117 | Alexander Graf | uint32_t aregs[16]; /* access registers */ |
52 | 10ec5117 | Alexander Graf | |
53 | 10ec5117 | Alexander Graf | uint32_t fpc; /* floating-point control register */
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54 | 10ec5117 | Alexander Graf | FPReg fregs[16]; /* FP registers */ |
55 | 10ec5117 | Alexander Graf | float_status fpu_status; /* passed to softfloat lib */
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56 | 10ec5117 | Alexander Graf | |
57 | 10ec5117 | Alexander Graf | struct {
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58 | 10ec5117 | Alexander Graf | uint64_t mask; |
59 | 10ec5117 | Alexander Graf | uint64_t addr; |
60 | 10ec5117 | Alexander Graf | } psw; |
61 | 10ec5117 | Alexander Graf | |
62 | 10ec5117 | Alexander Graf | int cc; /* condition code (0-3) */ |
63 | 10ec5117 | Alexander Graf | |
64 | 10ec5117 | Alexander Graf | uint64_t __excp_addr; |
65 | 10ec5117 | Alexander Graf | |
66 | 10ec5117 | Alexander Graf | CPU_COMMON |
67 | 10ec5117 | Alexander Graf | } CPUS390XState; |
68 | 10ec5117 | Alexander Graf | |
69 | 10ec5117 | Alexander Graf | #if defined(CONFIG_USER_ONLY)
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70 | 10ec5117 | Alexander Graf | static inline void cpu_clone_regs(CPUState *env, target_ulong newsp) |
71 | 10ec5117 | Alexander Graf | { |
72 | 10ec5117 | Alexander Graf | if (newsp)
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73 | 10ec5117 | Alexander Graf | env->regs[15] = newsp;
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74 | 10ec5117 | Alexander Graf | env->regs[0] = 0; |
75 | 10ec5117 | Alexander Graf | } |
76 | 10ec5117 | Alexander Graf | #endif
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77 | 10ec5117 | Alexander Graf | |
78 | 10c339a0 | Alexander Graf | #define MMU_MODE0_SUFFIX _kernel
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79 | 10c339a0 | Alexander Graf | #define MMU_MODE1_SUFFIX _user
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80 | 10c339a0 | Alexander Graf | #define MMU_USER_IDX 1 |
81 | 10c339a0 | Alexander Graf | static inline int cpu_mmu_index (CPUState *env) |
82 | 10c339a0 | Alexander Graf | { |
83 | 10c339a0 | Alexander Graf | /* XXX: Currently we don't implement virtual memory */
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84 | 10c339a0 | Alexander Graf | return 0; |
85 | 10c339a0 | Alexander Graf | } |
86 | 10c339a0 | Alexander Graf | |
87 | 10ec5117 | Alexander Graf | CPUS390XState *cpu_s390x_init(const char *cpu_model); |
88 | 10ec5117 | Alexander Graf | int cpu_s390x_exec(CPUS390XState *s);
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89 | 10ec5117 | Alexander Graf | void cpu_s390x_close(CPUS390XState *s);
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90 | 10ec5117 | Alexander Graf | |
91 | 10ec5117 | Alexander Graf | /* you can call this signal handler from your SIGBUS and SIGSEGV
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92 | 10ec5117 | Alexander Graf | signal handlers to inform the virtual CPU of exceptions. non zero
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93 | 10ec5117 | Alexander Graf | is returned if the signal was handled by the virtual CPU. */
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94 | 10ec5117 | Alexander Graf | int cpu_s390x_signal_handler(int host_signum, void *pinfo, |
95 | 10ec5117 | Alexander Graf | void *puc);
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96 | 10ec5117 | Alexander Graf | int cpu_s390x_handle_mmu_fault (CPUS390XState *env, target_ulong address, int rw, |
97 | 10ec5117 | Alexander Graf | int mmu_idx, int is_softmuu); |
98 | 10ec5117 | Alexander Graf | #define cpu_handle_mmu_fault cpu_s390x_handle_mmu_fault
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99 | 10ec5117 | Alexander Graf | |
100 | 10ec5117 | Alexander Graf | #define TARGET_PAGE_BITS 12 |
101 | 10ec5117 | Alexander Graf | |
102 | 52705890 | Richard Henderson | /* ??? This is certainly wrong for 64-bit s390x, but given that only KVM
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103 | 52705890 | Richard Henderson | emulation actually works, this is good enough for a placeholder. */
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104 | 52705890 | Richard Henderson | #define TARGET_PHYS_ADDR_SPACE_BITS 32 |
105 | 52705890 | Richard Henderson | #define TARGET_VIRT_ADDR_SPACE_BITS 32 |
106 | 52705890 | Richard Henderson | |
107 | 10c339a0 | Alexander Graf | #ifndef CONFIG_USER_ONLY
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108 | 10c339a0 | Alexander Graf | extern int s390_virtio_hypercall(CPUState *env); |
109 | 10c339a0 | Alexander Graf | extern void kvm_s390_virtio_irq(CPUState *env, int config_change, uint64_t token); |
110 | 10c339a0 | Alexander Graf | extern CPUState *s390_cpu_addr2state(uint16_t cpu_addr);
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111 | 10c339a0 | Alexander Graf | #endif
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112 | 10c339a0 | Alexander Graf | |
113 | 10c339a0 | Alexander Graf | |
114 | 10ec5117 | Alexander Graf | #define cpu_init cpu_s390x_init
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115 | 10ec5117 | Alexander Graf | #define cpu_exec cpu_s390x_exec
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116 | 10ec5117 | Alexander Graf | #define cpu_gen_code cpu_s390x_gen_code
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117 | 10ec5117 | Alexander Graf | |
118 | 10ec5117 | Alexander Graf | #include "cpu-all.h" |
119 | 10ec5117 | Alexander Graf | |
120 | 10ec5117 | Alexander Graf | #define EXCP_OPEX 1 /* operation exception (sigill) */ |
121 | 10ec5117 | Alexander Graf | #define EXCP_SVC 2 /* supervisor call (syscall) */ |
122 | 10ec5117 | Alexander Graf | #define EXCP_ADDR 5 /* addressing exception */ |
123 | 10ec5117 | Alexander Graf | #define EXCP_EXECUTE_SVC 0xff00000 /* supervisor call via execute insn */ |
124 | 10ec5117 | Alexander Graf | |
125 | 10ec5117 | Alexander Graf | static inline void cpu_get_tb_cpu_state(CPUState* env, target_ulong *pc, |
126 | 10ec5117 | Alexander Graf | target_ulong *cs_base, int *flags)
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127 | 10ec5117 | Alexander Graf | { |
128 | 10ec5117 | Alexander Graf | *pc = env->psw.addr; |
129 | 10ec5117 | Alexander Graf | /* XXX this is correct for user-mode emulation, but needs
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130 | 10ec5117 | Alexander Graf | * the asce register information as well when softmmu
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131 | 10ec5117 | Alexander Graf | * is implemented in the future */
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132 | 10ec5117 | Alexander Graf | *cs_base = 0;
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133 | 10ec5117 | Alexander Graf | *flags = env->psw.mask; |
134 | 10ec5117 | Alexander Graf | } |
135 | 10c339a0 | Alexander Graf | |
136 | 10c339a0 | Alexander Graf | /* Program Status Word. */
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137 | 10c339a0 | Alexander Graf | #define S390_PSWM_REGNUM 0 |
138 | 10c339a0 | Alexander Graf | #define S390_PSWA_REGNUM 1 |
139 | 10c339a0 | Alexander Graf | /* General Purpose Registers. */
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140 | 10c339a0 | Alexander Graf | #define S390_R0_REGNUM 2 |
141 | 10c339a0 | Alexander Graf | #define S390_R1_REGNUM 3 |
142 | 10c339a0 | Alexander Graf | #define S390_R2_REGNUM 4 |
143 | 10c339a0 | Alexander Graf | #define S390_R3_REGNUM 5 |
144 | 10c339a0 | Alexander Graf | #define S390_R4_REGNUM 6 |
145 | 10c339a0 | Alexander Graf | #define S390_R5_REGNUM 7 |
146 | 10c339a0 | Alexander Graf | #define S390_R6_REGNUM 8 |
147 | 10c339a0 | Alexander Graf | #define S390_R7_REGNUM 9 |
148 | 10c339a0 | Alexander Graf | #define S390_R8_REGNUM 10 |
149 | 10c339a0 | Alexander Graf | #define S390_R9_REGNUM 11 |
150 | 10c339a0 | Alexander Graf | #define S390_R10_REGNUM 12 |
151 | 10c339a0 | Alexander Graf | #define S390_R11_REGNUM 13 |
152 | 10c339a0 | Alexander Graf | #define S390_R12_REGNUM 14 |
153 | 10c339a0 | Alexander Graf | #define S390_R13_REGNUM 15 |
154 | 10c339a0 | Alexander Graf | #define S390_R14_REGNUM 16 |
155 | 10c339a0 | Alexander Graf | #define S390_R15_REGNUM 17 |
156 | 10c339a0 | Alexander Graf | /* Access Registers. */
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157 | 10c339a0 | Alexander Graf | #define S390_A0_REGNUM 18 |
158 | 10c339a0 | Alexander Graf | #define S390_A1_REGNUM 19 |
159 | 10c339a0 | Alexander Graf | #define S390_A2_REGNUM 20 |
160 | 10c339a0 | Alexander Graf | #define S390_A3_REGNUM 21 |
161 | 10c339a0 | Alexander Graf | #define S390_A4_REGNUM 22 |
162 | 10c339a0 | Alexander Graf | #define S390_A5_REGNUM 23 |
163 | 10c339a0 | Alexander Graf | #define S390_A6_REGNUM 24 |
164 | 10c339a0 | Alexander Graf | #define S390_A7_REGNUM 25 |
165 | 10c339a0 | Alexander Graf | #define S390_A8_REGNUM 26 |
166 | 10c339a0 | Alexander Graf | #define S390_A9_REGNUM 27 |
167 | 10c339a0 | Alexander Graf | #define S390_A10_REGNUM 28 |
168 | 10c339a0 | Alexander Graf | #define S390_A11_REGNUM 29 |
169 | 10c339a0 | Alexander Graf | #define S390_A12_REGNUM 30 |
170 | 10c339a0 | Alexander Graf | #define S390_A13_REGNUM 31 |
171 | 10c339a0 | Alexander Graf | #define S390_A14_REGNUM 32 |
172 | 10c339a0 | Alexander Graf | #define S390_A15_REGNUM 33 |
173 | 10c339a0 | Alexander Graf | /* Floating Point Control Word. */
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174 | 10c339a0 | Alexander Graf | #define S390_FPC_REGNUM 34 |
175 | 10c339a0 | Alexander Graf | /* Floating Point Registers. */
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176 | 10c339a0 | Alexander Graf | #define S390_F0_REGNUM 35 |
177 | 10c339a0 | Alexander Graf | #define S390_F1_REGNUM 36 |
178 | 10c339a0 | Alexander Graf | #define S390_F2_REGNUM 37 |
179 | 10c339a0 | Alexander Graf | #define S390_F3_REGNUM 38 |
180 | 10c339a0 | Alexander Graf | #define S390_F4_REGNUM 39 |
181 | 10c339a0 | Alexander Graf | #define S390_F5_REGNUM 40 |
182 | 10c339a0 | Alexander Graf | #define S390_F6_REGNUM 41 |
183 | 10c339a0 | Alexander Graf | #define S390_F7_REGNUM 42 |
184 | 10c339a0 | Alexander Graf | #define S390_F8_REGNUM 43 |
185 | 10c339a0 | Alexander Graf | #define S390_F9_REGNUM 44 |
186 | 10c339a0 | Alexander Graf | #define S390_F10_REGNUM 45 |
187 | 10c339a0 | Alexander Graf | #define S390_F11_REGNUM 46 |
188 | 10c339a0 | Alexander Graf | #define S390_F12_REGNUM 47 |
189 | 10c339a0 | Alexander Graf | #define S390_F13_REGNUM 48 |
190 | 10c339a0 | Alexander Graf | #define S390_F14_REGNUM 49 |
191 | 10c339a0 | Alexander Graf | #define S390_F15_REGNUM 50 |
192 | 10c339a0 | Alexander Graf | /* Total. */
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193 | 10c339a0 | Alexander Graf | #define S390_NUM_REGS 51 |
194 | 10c339a0 | Alexander Graf | |
195 | 10c339a0 | Alexander Graf | /* Pseudo registers -- PC and condition code. */
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196 | 10c339a0 | Alexander Graf | #define S390_PC_REGNUM S390_NUM_REGS
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197 | 10c339a0 | Alexander Graf | #define S390_CC_REGNUM (S390_NUM_REGS+1) |
198 | 10c339a0 | Alexander Graf | #define S390_NUM_PSEUDO_REGS 2 |
199 | 10c339a0 | Alexander Graf | #define S390_NUM_TOTAL_REGS (S390_NUM_REGS+2) |
200 | 10c339a0 | Alexander Graf | |
201 | 10c339a0 | Alexander Graf | |
202 | 10c339a0 | Alexander Graf | |
203 | 10c339a0 | Alexander Graf | /* Program Status Word. */
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204 | 10c339a0 | Alexander Graf | #define S390_PSWM_REGNUM 0 |
205 | 10c339a0 | Alexander Graf | #define S390_PSWA_REGNUM 1 |
206 | 10c339a0 | Alexander Graf | /* General Purpose Registers. */
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207 | 10c339a0 | Alexander Graf | #define S390_R0_REGNUM 2 |
208 | 10c339a0 | Alexander Graf | #define S390_R1_REGNUM 3 |
209 | 10c339a0 | Alexander Graf | #define S390_R2_REGNUM 4 |
210 | 10c339a0 | Alexander Graf | #define S390_R3_REGNUM 5 |
211 | 10c339a0 | Alexander Graf | #define S390_R4_REGNUM 6 |
212 | 10c339a0 | Alexander Graf | #define S390_R5_REGNUM 7 |
213 | 10c339a0 | Alexander Graf | #define S390_R6_REGNUM 8 |
214 | 10c339a0 | Alexander Graf | #define S390_R7_REGNUM 9 |
215 | 10c339a0 | Alexander Graf | #define S390_R8_REGNUM 10 |
216 | 10c339a0 | Alexander Graf | #define S390_R9_REGNUM 11 |
217 | 10c339a0 | Alexander Graf | #define S390_R10_REGNUM 12 |
218 | 10c339a0 | Alexander Graf | #define S390_R11_REGNUM 13 |
219 | 10c339a0 | Alexander Graf | #define S390_R12_REGNUM 14 |
220 | 10c339a0 | Alexander Graf | #define S390_R13_REGNUM 15 |
221 | 10c339a0 | Alexander Graf | #define S390_R14_REGNUM 16 |
222 | 10c339a0 | Alexander Graf | #define S390_R15_REGNUM 17 |
223 | 10c339a0 | Alexander Graf | /* Access Registers. */
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224 | 10c339a0 | Alexander Graf | #define S390_A0_REGNUM 18 |
225 | 10c339a0 | Alexander Graf | #define S390_A1_REGNUM 19 |
226 | 10c339a0 | Alexander Graf | #define S390_A2_REGNUM 20 |
227 | 10c339a0 | Alexander Graf | #define S390_A3_REGNUM 21 |
228 | 10c339a0 | Alexander Graf | #define S390_A4_REGNUM 22 |
229 | 10c339a0 | Alexander Graf | #define S390_A5_REGNUM 23 |
230 | 10c339a0 | Alexander Graf | #define S390_A6_REGNUM 24 |
231 | 10c339a0 | Alexander Graf | #define S390_A7_REGNUM 25 |
232 | 10c339a0 | Alexander Graf | #define S390_A8_REGNUM 26 |
233 | 10c339a0 | Alexander Graf | #define S390_A9_REGNUM 27 |
234 | 10c339a0 | Alexander Graf | #define S390_A10_REGNUM 28 |
235 | 10c339a0 | Alexander Graf | #define S390_A11_REGNUM 29 |
236 | 10c339a0 | Alexander Graf | #define S390_A12_REGNUM 30 |
237 | 10c339a0 | Alexander Graf | #define S390_A13_REGNUM 31 |
238 | 10c339a0 | Alexander Graf | #define S390_A14_REGNUM 32 |
239 | 10c339a0 | Alexander Graf | #define S390_A15_REGNUM 33 |
240 | 10c339a0 | Alexander Graf | /* Floating Point Control Word. */
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241 | 10c339a0 | Alexander Graf | #define S390_FPC_REGNUM 34 |
242 | 10c339a0 | Alexander Graf | /* Floating Point Registers. */
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243 | 10c339a0 | Alexander Graf | #define S390_F0_REGNUM 35 |
244 | 10c339a0 | Alexander Graf | #define S390_F1_REGNUM 36 |
245 | 10c339a0 | Alexander Graf | #define S390_F2_REGNUM 37 |
246 | 10c339a0 | Alexander Graf | #define S390_F3_REGNUM 38 |
247 | 10c339a0 | Alexander Graf | #define S390_F4_REGNUM 39 |
248 | 10c339a0 | Alexander Graf | #define S390_F5_REGNUM 40 |
249 | 10c339a0 | Alexander Graf | #define S390_F6_REGNUM 41 |
250 | 10c339a0 | Alexander Graf | #define S390_F7_REGNUM 42 |
251 | 10c339a0 | Alexander Graf | #define S390_F8_REGNUM 43 |
252 | 10c339a0 | Alexander Graf | #define S390_F9_REGNUM 44 |
253 | 10c339a0 | Alexander Graf | #define S390_F10_REGNUM 45 |
254 | 10c339a0 | Alexander Graf | #define S390_F11_REGNUM 46 |
255 | 10c339a0 | Alexander Graf | #define S390_F12_REGNUM 47 |
256 | 10c339a0 | Alexander Graf | #define S390_F13_REGNUM 48 |
257 | 10c339a0 | Alexander Graf | #define S390_F14_REGNUM 49 |
258 | 10c339a0 | Alexander Graf | #define S390_F15_REGNUM 50 |
259 | 10c339a0 | Alexander Graf | /* Total. */
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260 | 10c339a0 | Alexander Graf | #define S390_NUM_REGS 51 |
261 | 10c339a0 | Alexander Graf | |
262 | 10c339a0 | Alexander Graf | /* Pseudo registers -- PC and condition code. */
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263 | 10c339a0 | Alexander Graf | #define S390_PC_REGNUM S390_NUM_REGS
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264 | 10c339a0 | Alexander Graf | #define S390_CC_REGNUM (S390_NUM_REGS+1) |
265 | 10c339a0 | Alexander Graf | #define S390_NUM_PSEUDO_REGS 2 |
266 | 10c339a0 | Alexander Graf | #define S390_NUM_TOTAL_REGS (S390_NUM_REGS+2) |
267 | 10c339a0 | Alexander Graf | |
268 | 10c339a0 | Alexander Graf | |
269 | 10ec5117 | Alexander Graf | #endif |