root / target-ppc / helper.c @ d76d1650
History | View | Annotate | Download (95.3 kB)
1 | 79aceca5 | bellard | /*
|
---|---|---|---|
2 | 3fc6c082 | bellard | * PowerPC emulation helpers for qemu.
|
3 | 5fafdf24 | ths | *
|
4 | 76a66253 | j_mayer | * Copyright (c) 2003-2007 Jocelyn Mayer
|
5 | 79aceca5 | bellard | *
|
6 | 79aceca5 | bellard | * This library is free software; you can redistribute it and/or
|
7 | 79aceca5 | bellard | * modify it under the terms of the GNU Lesser General Public
|
8 | 79aceca5 | bellard | * License as published by the Free Software Foundation; either
|
9 | 79aceca5 | bellard | * version 2 of the License, or (at your option) any later version.
|
10 | 79aceca5 | bellard | *
|
11 | 79aceca5 | bellard | * This library is distributed in the hope that it will be useful,
|
12 | 79aceca5 | bellard | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 | 79aceca5 | bellard | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
14 | 79aceca5 | bellard | * Lesser General Public License for more details.
|
15 | 79aceca5 | bellard | *
|
16 | 79aceca5 | bellard | * You should have received a copy of the GNU Lesser General Public
|
17 | 79aceca5 | bellard | * License along with this library; if not, write to the Free Software
|
18 | 79aceca5 | bellard | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
19 | 79aceca5 | bellard | */
|
20 | fdabc366 | bellard | #include <stdarg.h> |
21 | fdabc366 | bellard | #include <stdlib.h> |
22 | fdabc366 | bellard | #include <stdio.h> |
23 | fdabc366 | bellard | #include <string.h> |
24 | fdabc366 | bellard | #include <inttypes.h> |
25 | fdabc366 | bellard | #include <signal.h> |
26 | fdabc366 | bellard | #include <assert.h> |
27 | fdabc366 | bellard | |
28 | fdabc366 | bellard | #include "cpu.h" |
29 | fdabc366 | bellard | #include "exec-all.h" |
30 | 0411a972 | j_mayer | #include "helper_regs.h" |
31 | ca10f867 | aurel32 | #include "qemu-common.h" |
32 | d76d1650 | aurel32 | #include "kvm.h" |
33 | 9a64fbe4 | bellard | |
34 | 9a64fbe4 | bellard | //#define DEBUG_MMU
|
35 | 9a64fbe4 | bellard | //#define DEBUG_BATS
|
36 | 6b542af7 | j_mayer | //#define DEBUG_SLB
|
37 | 76a66253 | j_mayer | //#define DEBUG_SOFTWARE_TLB
|
38 | 0411a972 | j_mayer | //#define DUMP_PAGE_TABLES
|
39 | 9a64fbe4 | bellard | //#define DEBUG_EXCEPTIONS
|
40 | fdabc366 | bellard | //#define FLUSH_ALL_TLBS
|
41 | 9a64fbe4 | bellard | |
42 | 9a64fbe4 | bellard | /*****************************************************************************/
|
43 | 3fc6c082 | bellard | /* PowerPC MMU emulation */
|
44 | a541f297 | bellard | |
45 | d9bce9d9 | j_mayer | #if defined(CONFIG_USER_ONLY)
|
46 | e96efcfc | j_mayer | int cpu_ppc_handle_mmu_fault (CPUState *env, target_ulong address, int rw, |
47 | 6ebbf390 | j_mayer | int mmu_idx, int is_softmmu) |
48 | 24741ef3 | bellard | { |
49 | 24741ef3 | bellard | int exception, error_code;
|
50 | d9bce9d9 | j_mayer | |
51 | 24741ef3 | bellard | if (rw == 2) { |
52 | e1833e1f | j_mayer | exception = POWERPC_EXCP_ISI; |
53 | 8f793433 | j_mayer | error_code = 0x40000000;
|
54 | 24741ef3 | bellard | } else {
|
55 | e1833e1f | j_mayer | exception = POWERPC_EXCP_DSI; |
56 | 8f793433 | j_mayer | error_code = 0x40000000;
|
57 | 24741ef3 | bellard | if (rw)
|
58 | 24741ef3 | bellard | error_code |= 0x02000000;
|
59 | 24741ef3 | bellard | env->spr[SPR_DAR] = address; |
60 | 24741ef3 | bellard | env->spr[SPR_DSISR] = error_code; |
61 | 24741ef3 | bellard | } |
62 | 24741ef3 | bellard | env->exception_index = exception; |
63 | 24741ef3 | bellard | env->error_code = error_code; |
64 | 76a66253 | j_mayer | |
65 | 24741ef3 | bellard | return 1; |
66 | 24741ef3 | bellard | } |
67 | 76a66253 | j_mayer | |
68 | 9b3c35e0 | j_mayer | target_phys_addr_t cpu_get_phys_page_debug (CPUState *env, target_ulong addr) |
69 | 24741ef3 | bellard | { |
70 | 24741ef3 | bellard | return addr;
|
71 | 24741ef3 | bellard | } |
72 | 36081602 | j_mayer | |
73 | 24741ef3 | bellard | #else
|
74 | 76a66253 | j_mayer | /* Common routines used by software and hardware TLBs emulation */
|
75 | b068d6a7 | j_mayer | static always_inline int pte_is_valid (target_ulong pte0) |
76 | 76a66253 | j_mayer | { |
77 | 76a66253 | j_mayer | return pte0 & 0x80000000 ? 1 : 0; |
78 | 76a66253 | j_mayer | } |
79 | 76a66253 | j_mayer | |
80 | b068d6a7 | j_mayer | static always_inline void pte_invalidate (target_ulong *pte0) |
81 | 76a66253 | j_mayer | { |
82 | 76a66253 | j_mayer | *pte0 &= ~0x80000000;
|
83 | 76a66253 | j_mayer | } |
84 | 76a66253 | j_mayer | |
85 | caa4039c | j_mayer | #if defined(TARGET_PPC64)
|
86 | b068d6a7 | j_mayer | static always_inline int pte64_is_valid (target_ulong pte0) |
87 | caa4039c | j_mayer | { |
88 | caa4039c | j_mayer | return pte0 & 0x0000000000000001ULL ? 1 : 0; |
89 | caa4039c | j_mayer | } |
90 | caa4039c | j_mayer | |
91 | b068d6a7 | j_mayer | static always_inline void pte64_invalidate (target_ulong *pte0) |
92 | caa4039c | j_mayer | { |
93 | caa4039c | j_mayer | *pte0 &= ~0x0000000000000001ULL;
|
94 | caa4039c | j_mayer | } |
95 | caa4039c | j_mayer | #endif
|
96 | caa4039c | j_mayer | |
97 | 76a66253 | j_mayer | #define PTE_PTEM_MASK 0x7FFFFFBF |
98 | 76a66253 | j_mayer | #define PTE_CHECK_MASK (TARGET_PAGE_MASK | 0x7B) |
99 | caa4039c | j_mayer | #if defined(TARGET_PPC64)
|
100 | caa4039c | j_mayer | #define PTE64_PTEM_MASK 0xFFFFFFFFFFFFFF80ULL |
101 | caa4039c | j_mayer | #define PTE64_CHECK_MASK (TARGET_PAGE_MASK | 0x7F) |
102 | caa4039c | j_mayer | #endif
|
103 | 76a66253 | j_mayer | |
104 | b227a8e9 | j_mayer | static always_inline int pp_check (int key, int pp, int nx) |
105 | b227a8e9 | j_mayer | { |
106 | b227a8e9 | j_mayer | int access;
|
107 | b227a8e9 | j_mayer | |
108 | b227a8e9 | j_mayer | /* Compute access rights */
|
109 | b227a8e9 | j_mayer | /* When pp is 3/7, the result is undefined. Set it to noaccess */
|
110 | b227a8e9 | j_mayer | access = 0;
|
111 | b227a8e9 | j_mayer | if (key == 0) { |
112 | b227a8e9 | j_mayer | switch (pp) {
|
113 | b227a8e9 | j_mayer | case 0x0: |
114 | b227a8e9 | j_mayer | case 0x1: |
115 | b227a8e9 | j_mayer | case 0x2: |
116 | b227a8e9 | j_mayer | access |= PAGE_WRITE; |
117 | b227a8e9 | j_mayer | /* No break here */
|
118 | b227a8e9 | j_mayer | case 0x3: |
119 | b227a8e9 | j_mayer | case 0x6: |
120 | b227a8e9 | j_mayer | access |= PAGE_READ; |
121 | b227a8e9 | j_mayer | break;
|
122 | b227a8e9 | j_mayer | } |
123 | b227a8e9 | j_mayer | } else {
|
124 | b227a8e9 | j_mayer | switch (pp) {
|
125 | b227a8e9 | j_mayer | case 0x0: |
126 | b227a8e9 | j_mayer | case 0x6: |
127 | b227a8e9 | j_mayer | access = 0;
|
128 | b227a8e9 | j_mayer | break;
|
129 | b227a8e9 | j_mayer | case 0x1: |
130 | b227a8e9 | j_mayer | case 0x3: |
131 | b227a8e9 | j_mayer | access = PAGE_READ; |
132 | b227a8e9 | j_mayer | break;
|
133 | b227a8e9 | j_mayer | case 0x2: |
134 | b227a8e9 | j_mayer | access = PAGE_READ | PAGE_WRITE; |
135 | b227a8e9 | j_mayer | break;
|
136 | b227a8e9 | j_mayer | } |
137 | b227a8e9 | j_mayer | } |
138 | b227a8e9 | j_mayer | if (nx == 0) |
139 | b227a8e9 | j_mayer | access |= PAGE_EXEC; |
140 | b227a8e9 | j_mayer | |
141 | b227a8e9 | j_mayer | return access;
|
142 | b227a8e9 | j_mayer | } |
143 | b227a8e9 | j_mayer | |
144 | b227a8e9 | j_mayer | static always_inline int check_prot (int prot, int rw, int access_type) |
145 | b227a8e9 | j_mayer | { |
146 | b227a8e9 | j_mayer | int ret;
|
147 | b227a8e9 | j_mayer | |
148 | b227a8e9 | j_mayer | if (access_type == ACCESS_CODE) {
|
149 | b227a8e9 | j_mayer | if (prot & PAGE_EXEC)
|
150 | b227a8e9 | j_mayer | ret = 0;
|
151 | b227a8e9 | j_mayer | else
|
152 | b227a8e9 | j_mayer | ret = -2;
|
153 | b227a8e9 | j_mayer | } else if (rw) { |
154 | b227a8e9 | j_mayer | if (prot & PAGE_WRITE)
|
155 | b227a8e9 | j_mayer | ret = 0;
|
156 | b227a8e9 | j_mayer | else
|
157 | b227a8e9 | j_mayer | ret = -2;
|
158 | b227a8e9 | j_mayer | } else {
|
159 | b227a8e9 | j_mayer | if (prot & PAGE_READ)
|
160 | b227a8e9 | j_mayer | ret = 0;
|
161 | b227a8e9 | j_mayer | else
|
162 | b227a8e9 | j_mayer | ret = -2;
|
163 | b227a8e9 | j_mayer | } |
164 | b227a8e9 | j_mayer | |
165 | b227a8e9 | j_mayer | return ret;
|
166 | b227a8e9 | j_mayer | } |
167 | b227a8e9 | j_mayer | |
168 | b068d6a7 | j_mayer | static always_inline int _pte_check (mmu_ctx_t *ctx, int is_64b, |
169 | b068d6a7 | j_mayer | target_ulong pte0, target_ulong pte1, |
170 | b227a8e9 | j_mayer | int h, int rw, int type) |
171 | 76a66253 | j_mayer | { |
172 | caa4039c | j_mayer | target_ulong ptem, mmask; |
173 | b227a8e9 | j_mayer | int access, ret, pteh, ptev, pp;
|
174 | 76a66253 | j_mayer | |
175 | 76a66253 | j_mayer | access = 0;
|
176 | 76a66253 | j_mayer | ret = -1;
|
177 | 76a66253 | j_mayer | /* Check validity and table match */
|
178 | caa4039c | j_mayer | #if defined(TARGET_PPC64)
|
179 | caa4039c | j_mayer | if (is_64b) {
|
180 | caa4039c | j_mayer | ptev = pte64_is_valid(pte0); |
181 | caa4039c | j_mayer | pteh = (pte0 >> 1) & 1; |
182 | caa4039c | j_mayer | } else
|
183 | caa4039c | j_mayer | #endif
|
184 | caa4039c | j_mayer | { |
185 | caa4039c | j_mayer | ptev = pte_is_valid(pte0); |
186 | caa4039c | j_mayer | pteh = (pte0 >> 6) & 1; |
187 | caa4039c | j_mayer | } |
188 | caa4039c | j_mayer | if (ptev && h == pteh) {
|
189 | 76a66253 | j_mayer | /* Check vsid & api */
|
190 | caa4039c | j_mayer | #if defined(TARGET_PPC64)
|
191 | caa4039c | j_mayer | if (is_64b) {
|
192 | caa4039c | j_mayer | ptem = pte0 & PTE64_PTEM_MASK; |
193 | caa4039c | j_mayer | mmask = PTE64_CHECK_MASK; |
194 | b227a8e9 | j_mayer | pp = (pte1 & 0x00000003) | ((pte1 >> 61) & 0x00000004); |
195 | b227a8e9 | j_mayer | ctx->nx |= (pte1 >> 2) & 1; /* No execute bit */ |
196 | b227a8e9 | j_mayer | ctx->nx |= (pte1 >> 3) & 1; /* Guarded bit */ |
197 | caa4039c | j_mayer | } else
|
198 | caa4039c | j_mayer | #endif
|
199 | caa4039c | j_mayer | { |
200 | caa4039c | j_mayer | ptem = pte0 & PTE_PTEM_MASK; |
201 | caa4039c | j_mayer | mmask = PTE_CHECK_MASK; |
202 | b227a8e9 | j_mayer | pp = pte1 & 0x00000003;
|
203 | caa4039c | j_mayer | } |
204 | caa4039c | j_mayer | if (ptem == ctx->ptem) {
|
205 | 6f2d8978 | j_mayer | if (ctx->raddr != (target_phys_addr_t)-1ULL) { |
206 | 76a66253 | j_mayer | /* all matches should have equal RPN, WIMG & PP */
|
207 | caa4039c | j_mayer | if ((ctx->raddr & mmask) != (pte1 & mmask)) {
|
208 | caa4039c | j_mayer | if (loglevel != 0) |
209 | 76a66253 | j_mayer | fprintf(logfile, "Bad RPN/WIMG/PP\n");
|
210 | 76a66253 | j_mayer | return -3; |
211 | 76a66253 | j_mayer | } |
212 | 76a66253 | j_mayer | } |
213 | 76a66253 | j_mayer | /* Compute access rights */
|
214 | b227a8e9 | j_mayer | access = pp_check(ctx->key, pp, ctx->nx); |
215 | 76a66253 | j_mayer | /* Keep the matching PTE informations */
|
216 | 76a66253 | j_mayer | ctx->raddr = pte1; |
217 | 76a66253 | j_mayer | ctx->prot = access; |
218 | b227a8e9 | j_mayer | ret = check_prot(ctx->prot, rw, type); |
219 | b227a8e9 | j_mayer | if (ret == 0) { |
220 | 76a66253 | j_mayer | /* Access granted */
|
221 | 76a66253 | j_mayer | #if defined (DEBUG_MMU)
|
222 | 4a057712 | j_mayer | if (loglevel != 0) |
223 | 76a66253 | j_mayer | fprintf(logfile, "PTE access granted !\n");
|
224 | 76a66253 | j_mayer | #endif
|
225 | 76a66253 | j_mayer | } else {
|
226 | 76a66253 | j_mayer | /* Access right violation */
|
227 | 76a66253 | j_mayer | #if defined (DEBUG_MMU)
|
228 | 4a057712 | j_mayer | if (loglevel != 0) |
229 | 76a66253 | j_mayer | fprintf(logfile, "PTE access rejected\n");
|
230 | 76a66253 | j_mayer | #endif
|
231 | 76a66253 | j_mayer | } |
232 | 76a66253 | j_mayer | } |
233 | 76a66253 | j_mayer | } |
234 | 76a66253 | j_mayer | |
235 | 76a66253 | j_mayer | return ret;
|
236 | 76a66253 | j_mayer | } |
237 | 76a66253 | j_mayer | |
238 | a11b8151 | j_mayer | static always_inline int pte32_check (mmu_ctx_t *ctx, |
239 | a11b8151 | j_mayer | target_ulong pte0, target_ulong pte1, |
240 | a11b8151 | j_mayer | int h, int rw, int type) |
241 | caa4039c | j_mayer | { |
242 | b227a8e9 | j_mayer | return _pte_check(ctx, 0, pte0, pte1, h, rw, type); |
243 | caa4039c | j_mayer | } |
244 | caa4039c | j_mayer | |
245 | caa4039c | j_mayer | #if defined(TARGET_PPC64)
|
246 | a11b8151 | j_mayer | static always_inline int pte64_check (mmu_ctx_t *ctx, |
247 | a11b8151 | j_mayer | target_ulong pte0, target_ulong pte1, |
248 | a11b8151 | j_mayer | int h, int rw, int type) |
249 | caa4039c | j_mayer | { |
250 | b227a8e9 | j_mayer | return _pte_check(ctx, 1, pte0, pte1, h, rw, type); |
251 | caa4039c | j_mayer | } |
252 | caa4039c | j_mayer | #endif
|
253 | caa4039c | j_mayer | |
254 | a11b8151 | j_mayer | static always_inline int pte_update_flags (mmu_ctx_t *ctx, target_ulong *pte1p, |
255 | a11b8151 | j_mayer | int ret, int rw) |
256 | 76a66253 | j_mayer | { |
257 | 76a66253 | j_mayer | int store = 0; |
258 | 76a66253 | j_mayer | |
259 | 76a66253 | j_mayer | /* Update page flags */
|
260 | 76a66253 | j_mayer | if (!(*pte1p & 0x00000100)) { |
261 | 76a66253 | j_mayer | /* Update accessed flag */
|
262 | 76a66253 | j_mayer | *pte1p |= 0x00000100;
|
263 | 76a66253 | j_mayer | store = 1;
|
264 | 76a66253 | j_mayer | } |
265 | 76a66253 | j_mayer | if (!(*pte1p & 0x00000080)) { |
266 | 76a66253 | j_mayer | if (rw == 1 && ret == 0) { |
267 | 76a66253 | j_mayer | /* Update changed flag */
|
268 | 76a66253 | j_mayer | *pte1p |= 0x00000080;
|
269 | 76a66253 | j_mayer | store = 1;
|
270 | 76a66253 | j_mayer | } else {
|
271 | 76a66253 | j_mayer | /* Force page fault for first write access */
|
272 | 76a66253 | j_mayer | ctx->prot &= ~PAGE_WRITE; |
273 | 76a66253 | j_mayer | } |
274 | 76a66253 | j_mayer | } |
275 | 76a66253 | j_mayer | |
276 | 76a66253 | j_mayer | return store;
|
277 | 76a66253 | j_mayer | } |
278 | 76a66253 | j_mayer | |
279 | 76a66253 | j_mayer | /* Software driven TLB helpers */
|
280 | a11b8151 | j_mayer | static always_inline int ppc6xx_tlb_getnum (CPUState *env, target_ulong eaddr, |
281 | a11b8151 | j_mayer | int way, int is_code) |
282 | 76a66253 | j_mayer | { |
283 | 76a66253 | j_mayer | int nr;
|
284 | 76a66253 | j_mayer | |
285 | 76a66253 | j_mayer | /* Select TLB num in a way from address */
|
286 | 76a66253 | j_mayer | nr = (eaddr >> TARGET_PAGE_BITS) & (env->tlb_per_way - 1);
|
287 | 76a66253 | j_mayer | /* Select TLB way */
|
288 | 76a66253 | j_mayer | nr += env->tlb_per_way * way; |
289 | 76a66253 | j_mayer | /* 6xx have separate TLBs for instructions and data */
|
290 | 76a66253 | j_mayer | if (is_code && env->id_tlbs == 1) |
291 | 76a66253 | j_mayer | nr += env->nb_tlb; |
292 | 76a66253 | j_mayer | |
293 | 76a66253 | j_mayer | return nr;
|
294 | 76a66253 | j_mayer | } |
295 | 76a66253 | j_mayer | |
296 | a11b8151 | j_mayer | static always_inline void ppc6xx_tlb_invalidate_all (CPUState *env) |
297 | 76a66253 | j_mayer | { |
298 | 1d0a48fb | j_mayer | ppc6xx_tlb_t *tlb; |
299 | 76a66253 | j_mayer | int nr, max;
|
300 | 76a66253 | j_mayer | |
301 | 76a66253 | j_mayer | #if defined (DEBUG_SOFTWARE_TLB) && 0 |
302 | 76a66253 | j_mayer | if (loglevel != 0) { |
303 | 76a66253 | j_mayer | fprintf(logfile, "Invalidate all TLBs\n");
|
304 | 76a66253 | j_mayer | } |
305 | 76a66253 | j_mayer | #endif
|
306 | 76a66253 | j_mayer | /* Invalidate all defined software TLB */
|
307 | 76a66253 | j_mayer | max = env->nb_tlb; |
308 | 76a66253 | j_mayer | if (env->id_tlbs == 1) |
309 | 76a66253 | j_mayer | max *= 2;
|
310 | 76a66253 | j_mayer | for (nr = 0; nr < max; nr++) { |
311 | 1d0a48fb | j_mayer | tlb = &env->tlb[nr].tlb6; |
312 | 76a66253 | j_mayer | pte_invalidate(&tlb->pte0); |
313 | 76a66253 | j_mayer | } |
314 | 76a66253 | j_mayer | tlb_flush(env, 1);
|
315 | 76a66253 | j_mayer | } |
316 | 76a66253 | j_mayer | |
317 | b068d6a7 | j_mayer | static always_inline void __ppc6xx_tlb_invalidate_virt (CPUState *env, |
318 | b068d6a7 | j_mayer | target_ulong eaddr, |
319 | b068d6a7 | j_mayer | int is_code,
|
320 | b068d6a7 | j_mayer | int match_epn)
|
321 | 76a66253 | j_mayer | { |
322 | 4a057712 | j_mayer | #if !defined(FLUSH_ALL_TLBS)
|
323 | 1d0a48fb | j_mayer | ppc6xx_tlb_t *tlb; |
324 | 76a66253 | j_mayer | int way, nr;
|
325 | 76a66253 | j_mayer | |
326 | 76a66253 | j_mayer | /* Invalidate ITLB + DTLB, all ways */
|
327 | 76a66253 | j_mayer | for (way = 0; way < env->nb_ways; way++) { |
328 | 76a66253 | j_mayer | nr = ppc6xx_tlb_getnum(env, eaddr, way, is_code); |
329 | 1d0a48fb | j_mayer | tlb = &env->tlb[nr].tlb6; |
330 | 76a66253 | j_mayer | if (pte_is_valid(tlb->pte0) && (match_epn == 0 || eaddr == tlb->EPN)) { |
331 | 76a66253 | j_mayer | #if defined (DEBUG_SOFTWARE_TLB)
|
332 | 76a66253 | j_mayer | if (loglevel != 0) { |
333 | 1b9eb036 | j_mayer | fprintf(logfile, "TLB invalidate %d/%d " ADDRX "\n", |
334 | 76a66253 | j_mayer | nr, env->nb_tlb, eaddr); |
335 | 76a66253 | j_mayer | } |
336 | 76a66253 | j_mayer | #endif
|
337 | 76a66253 | j_mayer | pte_invalidate(&tlb->pte0); |
338 | 76a66253 | j_mayer | tlb_flush_page(env, tlb->EPN); |
339 | 76a66253 | j_mayer | } |
340 | 76a66253 | j_mayer | } |
341 | 76a66253 | j_mayer | #else
|
342 | 76a66253 | j_mayer | /* XXX: PowerPC specification say this is valid as well */
|
343 | 76a66253 | j_mayer | ppc6xx_tlb_invalidate_all(env); |
344 | 76a66253 | j_mayer | #endif
|
345 | 76a66253 | j_mayer | } |
346 | 76a66253 | j_mayer | |
347 | a11b8151 | j_mayer | static always_inline void ppc6xx_tlb_invalidate_virt (CPUState *env, |
348 | a11b8151 | j_mayer | target_ulong eaddr, |
349 | a11b8151 | j_mayer | int is_code)
|
350 | 76a66253 | j_mayer | { |
351 | 76a66253 | j_mayer | __ppc6xx_tlb_invalidate_virt(env, eaddr, is_code, 0);
|
352 | 76a66253 | j_mayer | } |
353 | 76a66253 | j_mayer | |
354 | 76a66253 | j_mayer | void ppc6xx_tlb_store (CPUState *env, target_ulong EPN, int way, int is_code, |
355 | 76a66253 | j_mayer | target_ulong pte0, target_ulong pte1) |
356 | 76a66253 | j_mayer | { |
357 | 1d0a48fb | j_mayer | ppc6xx_tlb_t *tlb; |
358 | 76a66253 | j_mayer | int nr;
|
359 | 76a66253 | j_mayer | |
360 | 76a66253 | j_mayer | nr = ppc6xx_tlb_getnum(env, EPN, way, is_code); |
361 | 1d0a48fb | j_mayer | tlb = &env->tlb[nr].tlb6; |
362 | 76a66253 | j_mayer | #if defined (DEBUG_SOFTWARE_TLB)
|
363 | 76a66253 | j_mayer | if (loglevel != 0) { |
364 | 5fafdf24 | ths | fprintf(logfile, "Set TLB %d/%d EPN " ADDRX " PTE0 " ADDRX |
365 | 1b9eb036 | j_mayer | " PTE1 " ADDRX "\n", nr, env->nb_tlb, EPN, pte0, pte1); |
366 | 76a66253 | j_mayer | } |
367 | 76a66253 | j_mayer | #endif
|
368 | 76a66253 | j_mayer | /* Invalidate any pending reference in Qemu for this virtual address */
|
369 | 76a66253 | j_mayer | __ppc6xx_tlb_invalidate_virt(env, EPN, is_code, 1);
|
370 | 76a66253 | j_mayer | tlb->pte0 = pte0; |
371 | 76a66253 | j_mayer | tlb->pte1 = pte1; |
372 | 76a66253 | j_mayer | tlb->EPN = EPN; |
373 | 76a66253 | j_mayer | /* Store last way for LRU mechanism */
|
374 | 76a66253 | j_mayer | env->last_way = way; |
375 | 76a66253 | j_mayer | } |
376 | 76a66253 | j_mayer | |
377 | a11b8151 | j_mayer | static always_inline int ppc6xx_tlb_check (CPUState *env, mmu_ctx_t *ctx, |
378 | a11b8151 | j_mayer | target_ulong eaddr, int rw,
|
379 | a11b8151 | j_mayer | int access_type)
|
380 | 76a66253 | j_mayer | { |
381 | 1d0a48fb | j_mayer | ppc6xx_tlb_t *tlb; |
382 | 76a66253 | j_mayer | int nr, best, way;
|
383 | 76a66253 | j_mayer | int ret;
|
384 | d9bce9d9 | j_mayer | |
385 | 76a66253 | j_mayer | best = -1;
|
386 | 76a66253 | j_mayer | ret = -1; /* No TLB found */ |
387 | 76a66253 | j_mayer | for (way = 0; way < env->nb_ways; way++) { |
388 | 76a66253 | j_mayer | nr = ppc6xx_tlb_getnum(env, eaddr, way, |
389 | 76a66253 | j_mayer | access_type == ACCESS_CODE ? 1 : 0); |
390 | 1d0a48fb | j_mayer | tlb = &env->tlb[nr].tlb6; |
391 | 76a66253 | j_mayer | /* This test "emulates" the PTE index match for hardware TLBs */
|
392 | 76a66253 | j_mayer | if ((eaddr & TARGET_PAGE_MASK) != tlb->EPN) {
|
393 | 76a66253 | j_mayer | #if defined (DEBUG_SOFTWARE_TLB)
|
394 | 76a66253 | j_mayer | if (loglevel != 0) { |
395 | 1b9eb036 | j_mayer | fprintf(logfile, "TLB %d/%d %s [" ADDRX " " ADDRX |
396 | 1b9eb036 | j_mayer | "] <> " ADDRX "\n", |
397 | 76a66253 | j_mayer | nr, env->nb_tlb, |
398 | 76a66253 | j_mayer | pte_is_valid(tlb->pte0) ? "valid" : "inval", |
399 | 76a66253 | j_mayer | tlb->EPN, tlb->EPN + TARGET_PAGE_SIZE, eaddr); |
400 | 76a66253 | j_mayer | } |
401 | 76a66253 | j_mayer | #endif
|
402 | 76a66253 | j_mayer | continue;
|
403 | 76a66253 | j_mayer | } |
404 | 76a66253 | j_mayer | #if defined (DEBUG_SOFTWARE_TLB)
|
405 | 76a66253 | j_mayer | if (loglevel != 0) { |
406 | 1b9eb036 | j_mayer | fprintf(logfile, "TLB %d/%d %s " ADDRX " <> " ADDRX " " ADDRX |
407 | 1b9eb036 | j_mayer | " %c %c\n",
|
408 | 76a66253 | j_mayer | nr, env->nb_tlb, |
409 | 76a66253 | j_mayer | pte_is_valid(tlb->pte0) ? "valid" : "inval", |
410 | 76a66253 | j_mayer | tlb->EPN, eaddr, tlb->pte1, |
411 | 76a66253 | j_mayer | rw ? 'S' : 'L', access_type == ACCESS_CODE ? 'I' : 'D'); |
412 | 76a66253 | j_mayer | } |
413 | 76a66253 | j_mayer | #endif
|
414 | b227a8e9 | j_mayer | switch (pte32_check(ctx, tlb->pte0, tlb->pte1, 0, rw, access_type)) { |
415 | 76a66253 | j_mayer | case -3: |
416 | 76a66253 | j_mayer | /* TLB inconsistency */
|
417 | 76a66253 | j_mayer | return -1; |
418 | 76a66253 | j_mayer | case -2: |
419 | 76a66253 | j_mayer | /* Access violation */
|
420 | 76a66253 | j_mayer | ret = -2;
|
421 | 76a66253 | j_mayer | best = nr; |
422 | 76a66253 | j_mayer | break;
|
423 | 76a66253 | j_mayer | case -1: |
424 | 76a66253 | j_mayer | default:
|
425 | 76a66253 | j_mayer | /* No match */
|
426 | 76a66253 | j_mayer | break;
|
427 | 76a66253 | j_mayer | case 0: |
428 | 76a66253 | j_mayer | /* access granted */
|
429 | 76a66253 | j_mayer | /* XXX: we should go on looping to check all TLBs consistency
|
430 | 76a66253 | j_mayer | * but we can speed-up the whole thing as the
|
431 | 76a66253 | j_mayer | * result would be undefined if TLBs are not consistent.
|
432 | 76a66253 | j_mayer | */
|
433 | 76a66253 | j_mayer | ret = 0;
|
434 | 76a66253 | j_mayer | best = nr; |
435 | 76a66253 | j_mayer | goto done;
|
436 | 76a66253 | j_mayer | } |
437 | 76a66253 | j_mayer | } |
438 | 76a66253 | j_mayer | if (best != -1) { |
439 | 76a66253 | j_mayer | done:
|
440 | 76a66253 | j_mayer | #if defined (DEBUG_SOFTWARE_TLB)
|
441 | 4a057712 | j_mayer | if (loglevel != 0) { |
442 | 6b542af7 | j_mayer | fprintf(logfile, "found TLB at addr " PADDRX " prot=%01x ret=%d\n", |
443 | 76a66253 | j_mayer | ctx->raddr & TARGET_PAGE_MASK, ctx->prot, ret); |
444 | 76a66253 | j_mayer | } |
445 | 76a66253 | j_mayer | #endif
|
446 | 76a66253 | j_mayer | /* Update page flags */
|
447 | 1d0a48fb | j_mayer | pte_update_flags(ctx, &env->tlb[best].tlb6.pte1, ret, rw); |
448 | 76a66253 | j_mayer | } |
449 | 76a66253 | j_mayer | |
450 | 76a66253 | j_mayer | return ret;
|
451 | 76a66253 | j_mayer | } |
452 | 76a66253 | j_mayer | |
453 | 9a64fbe4 | bellard | /* Perform BAT hit & translation */
|
454 | faadf50e | j_mayer | static always_inline void bat_size_prot (CPUState *env, target_ulong *blp, |
455 | faadf50e | j_mayer | int *validp, int *protp, |
456 | faadf50e | j_mayer | target_ulong *BATu, target_ulong *BATl) |
457 | faadf50e | j_mayer | { |
458 | faadf50e | j_mayer | target_ulong bl; |
459 | faadf50e | j_mayer | int pp, valid, prot;
|
460 | faadf50e | j_mayer | |
461 | faadf50e | j_mayer | bl = (*BATu & 0x00001FFC) << 15; |
462 | faadf50e | j_mayer | valid = 0;
|
463 | faadf50e | j_mayer | prot = 0;
|
464 | faadf50e | j_mayer | if (((msr_pr == 0) && (*BATu & 0x00000002)) || |
465 | faadf50e | j_mayer | ((msr_pr != 0) && (*BATu & 0x00000001))) { |
466 | faadf50e | j_mayer | valid = 1;
|
467 | faadf50e | j_mayer | pp = *BATl & 0x00000003;
|
468 | faadf50e | j_mayer | if (pp != 0) { |
469 | faadf50e | j_mayer | prot = PAGE_READ | PAGE_EXEC; |
470 | faadf50e | j_mayer | if (pp == 0x2) |
471 | faadf50e | j_mayer | prot |= PAGE_WRITE; |
472 | faadf50e | j_mayer | } |
473 | faadf50e | j_mayer | } |
474 | faadf50e | j_mayer | *blp = bl; |
475 | faadf50e | j_mayer | *validp = valid; |
476 | faadf50e | j_mayer | *protp = prot; |
477 | faadf50e | j_mayer | } |
478 | faadf50e | j_mayer | |
479 | faadf50e | j_mayer | static always_inline void bat_601_size_prot (CPUState *env,target_ulong *blp, |
480 | faadf50e | j_mayer | int *validp, int *protp, |
481 | faadf50e | j_mayer | target_ulong *BATu, |
482 | faadf50e | j_mayer | target_ulong *BATl) |
483 | faadf50e | j_mayer | { |
484 | faadf50e | j_mayer | target_ulong bl; |
485 | faadf50e | j_mayer | int key, pp, valid, prot;
|
486 | faadf50e | j_mayer | |
487 | faadf50e | j_mayer | bl = (*BATl & 0x0000003F) << 17; |
488 | 056401ea | j_mayer | #if defined (DEBUG_BATS)
|
489 | faadf50e | j_mayer | if (loglevel != 0) { |
490 | 6b542af7 | j_mayer | fprintf(logfile, "b %02x ==> bl " ADDRX " msk " ADDRX "\n", |
491 | 6b542af7 | j_mayer | (uint8_t)(*BATl & 0x0000003F), bl, ~bl);
|
492 | faadf50e | j_mayer | } |
493 | 056401ea | j_mayer | #endif
|
494 | faadf50e | j_mayer | prot = 0;
|
495 | faadf50e | j_mayer | valid = (*BATl >> 6) & 1; |
496 | faadf50e | j_mayer | if (valid) {
|
497 | faadf50e | j_mayer | pp = *BATu & 0x00000003;
|
498 | faadf50e | j_mayer | if (msr_pr == 0) |
499 | faadf50e | j_mayer | key = (*BATu >> 3) & 1; |
500 | faadf50e | j_mayer | else
|
501 | faadf50e | j_mayer | key = (*BATu >> 2) & 1; |
502 | faadf50e | j_mayer | prot = pp_check(key, pp, 0);
|
503 | faadf50e | j_mayer | } |
504 | faadf50e | j_mayer | *blp = bl; |
505 | faadf50e | j_mayer | *validp = valid; |
506 | faadf50e | j_mayer | *protp = prot; |
507 | faadf50e | j_mayer | } |
508 | faadf50e | j_mayer | |
509 | a11b8151 | j_mayer | static always_inline int get_bat (CPUState *env, mmu_ctx_t *ctx, |
510 | a11b8151 | j_mayer | target_ulong virtual, int rw, int type) |
511 | 9a64fbe4 | bellard | { |
512 | 76a66253 | j_mayer | target_ulong *BATlt, *BATut, *BATu, *BATl; |
513 | 76a66253 | j_mayer | target_ulong base, BEPIl, BEPIu, bl; |
514 | faadf50e | j_mayer | int i, valid, prot;
|
515 | 9a64fbe4 | bellard | int ret = -1; |
516 | 9a64fbe4 | bellard | |
517 | 9a64fbe4 | bellard | #if defined (DEBUG_BATS)
|
518 | 4a057712 | j_mayer | if (loglevel != 0) { |
519 | 6b542af7 | j_mayer | fprintf(logfile, "%s: %cBAT v " ADDRX "\n", __func__, |
520 | 76a66253 | j_mayer | type == ACCESS_CODE ? 'I' : 'D', virtual); |
521 | 9a64fbe4 | bellard | } |
522 | 9a64fbe4 | bellard | #endif
|
523 | 9a64fbe4 | bellard | switch (type) {
|
524 | 9a64fbe4 | bellard | case ACCESS_CODE:
|
525 | 9a64fbe4 | bellard | BATlt = env->IBAT[1];
|
526 | 9a64fbe4 | bellard | BATut = env->IBAT[0];
|
527 | 9a64fbe4 | bellard | break;
|
528 | 9a64fbe4 | bellard | default:
|
529 | 9a64fbe4 | bellard | BATlt = env->DBAT[1];
|
530 | 9a64fbe4 | bellard | BATut = env->DBAT[0];
|
531 | 9a64fbe4 | bellard | break;
|
532 | 9a64fbe4 | bellard | } |
533 | 9a64fbe4 | bellard | base = virtual & 0xFFFC0000;
|
534 | faadf50e | j_mayer | for (i = 0; i < env->nb_BATs; i++) { |
535 | 9a64fbe4 | bellard | BATu = &BATut[i]; |
536 | 9a64fbe4 | bellard | BATl = &BATlt[i]; |
537 | 9a64fbe4 | bellard | BEPIu = *BATu & 0xF0000000;
|
538 | 9a64fbe4 | bellard | BEPIl = *BATu & 0x0FFE0000;
|
539 | faadf50e | j_mayer | if (unlikely(env->mmu_model == POWERPC_MMU_601)) {
|
540 | faadf50e | j_mayer | bat_601_size_prot(env, &bl, &valid, &prot, BATu, BATl); |
541 | faadf50e | j_mayer | } else {
|
542 | faadf50e | j_mayer | bat_size_prot(env, &bl, &valid, &prot, BATu, BATl); |
543 | faadf50e | j_mayer | } |
544 | 9a64fbe4 | bellard | #if defined (DEBUG_BATS)
|
545 | 4a057712 | j_mayer | if (loglevel != 0) { |
546 | 6b542af7 | j_mayer | fprintf(logfile, "%s: %cBAT%d v " ADDRX " BATu " ADDRX |
547 | 6b542af7 | j_mayer | " BATl " ADDRX "\n", __func__, |
548 | 6b542af7 | j_mayer | type == ACCESS_CODE ? 'I' : 'D', i, virtual, *BATu, *BATl); |
549 | 9a64fbe4 | bellard | } |
550 | 9a64fbe4 | bellard | #endif
|
551 | 9a64fbe4 | bellard | if ((virtual & 0xF0000000) == BEPIu && |
552 | 9a64fbe4 | bellard | ((virtual & 0x0FFE0000) & ~bl) == BEPIl) {
|
553 | 9a64fbe4 | bellard | /* BAT matches */
|
554 | faadf50e | j_mayer | if (valid != 0) { |
555 | 9a64fbe4 | bellard | /* Get physical address */
|
556 | 76a66253 | j_mayer | ctx->raddr = (*BATl & 0xF0000000) |
|
557 | 9a64fbe4 | bellard | ((virtual & 0x0FFE0000 & bl) | (*BATl & 0x0FFE0000)) | |
558 | a541f297 | bellard | (virtual & 0x0001F000);
|
559 | b227a8e9 | j_mayer | /* Compute access rights */
|
560 | faadf50e | j_mayer | ctx->prot = prot; |
561 | b227a8e9 | j_mayer | ret = check_prot(ctx->prot, rw, type); |
562 | 9a64fbe4 | bellard | #if defined (DEBUG_BATS)
|
563 | b227a8e9 | j_mayer | if (ret == 0 && loglevel != 0) { |
564 | 6b542af7 | j_mayer | fprintf(logfile, "BAT %d match: r " PADDRX " prot=%c%c\n", |
565 | 76a66253 | j_mayer | i, ctx->raddr, ctx->prot & PAGE_READ ? 'R' : '-', |
566 | 76a66253 | j_mayer | ctx->prot & PAGE_WRITE ? 'W' : '-'); |
567 | 9a64fbe4 | bellard | } |
568 | 9a64fbe4 | bellard | #endif
|
569 | 9a64fbe4 | bellard | break;
|
570 | 9a64fbe4 | bellard | } |
571 | 9a64fbe4 | bellard | } |
572 | 9a64fbe4 | bellard | } |
573 | 9a64fbe4 | bellard | if (ret < 0) { |
574 | 9a64fbe4 | bellard | #if defined (DEBUG_BATS)
|
575 | 4a057712 | j_mayer | if (loglevel != 0) { |
576 | 6b542af7 | j_mayer | fprintf(logfile, "no BAT match for " ADDRX ":\n", virtual); |
577 | 4a057712 | j_mayer | for (i = 0; i < 4; i++) { |
578 | 4a057712 | j_mayer | BATu = &BATut[i]; |
579 | 4a057712 | j_mayer | BATl = &BATlt[i]; |
580 | 4a057712 | j_mayer | BEPIu = *BATu & 0xF0000000;
|
581 | 4a057712 | j_mayer | BEPIl = *BATu & 0x0FFE0000;
|
582 | 4a057712 | j_mayer | bl = (*BATu & 0x00001FFC) << 15; |
583 | 6b542af7 | j_mayer | fprintf(logfile, "%s: %cBAT%d v " ADDRX " BATu " ADDRX |
584 | 6b542af7 | j_mayer | " BATl " ADDRX " \n\t" ADDRX " " ADDRX " " ADDRX "\n", |
585 | 4a057712 | j_mayer | __func__, type == ACCESS_CODE ? 'I' : 'D', i, virtual, |
586 | 4a057712 | j_mayer | *BATu, *BATl, BEPIu, BEPIl, bl); |
587 | 4a057712 | j_mayer | } |
588 | 9a64fbe4 | bellard | } |
589 | 9a64fbe4 | bellard | #endif
|
590 | 9a64fbe4 | bellard | } |
591 | b227a8e9 | j_mayer | |
592 | 9a64fbe4 | bellard | /* No hit */
|
593 | 9a64fbe4 | bellard | return ret;
|
594 | 9a64fbe4 | bellard | } |
595 | 9a64fbe4 | bellard | |
596 | 9a64fbe4 | bellard | /* PTE table lookup */
|
597 | b227a8e9 | j_mayer | static always_inline int _find_pte (mmu_ctx_t *ctx, int is_64b, int h, |
598 | b227a8e9 | j_mayer | int rw, int type) |
599 | 9a64fbe4 | bellard | { |
600 | 76a66253 | j_mayer | target_ulong base, pte0, pte1; |
601 | 76a66253 | j_mayer | int i, good = -1; |
602 | caa4039c | j_mayer | int ret, r;
|
603 | 9a64fbe4 | bellard | |
604 | 76a66253 | j_mayer | ret = -1; /* No entry found */ |
605 | 76a66253 | j_mayer | base = ctx->pg_addr[h]; |
606 | 9a64fbe4 | bellard | for (i = 0; i < 8; i++) { |
607 | caa4039c | j_mayer | #if defined(TARGET_PPC64)
|
608 | caa4039c | j_mayer | if (is_64b) {
|
609 | caa4039c | j_mayer | pte0 = ldq_phys(base + (i * 16));
|
610 | caa4039c | j_mayer | pte1 = ldq_phys(base + (i * 16) + 8); |
611 | b227a8e9 | j_mayer | r = pte64_check(ctx, pte0, pte1, h, rw, type); |
612 | 12de9a39 | j_mayer | #if defined (DEBUG_MMU)
|
613 | 12de9a39 | j_mayer | if (loglevel != 0) { |
614 | 6b542af7 | j_mayer | fprintf(logfile, "Load pte from " ADDRX " => " ADDRX " " ADDRX |
615 | 6b542af7 | j_mayer | " %d %d %d " ADDRX "\n", |
616 | 12de9a39 | j_mayer | base + (i * 16), pte0, pte1,
|
617 | 12de9a39 | j_mayer | (int)(pte0 & 1), h, (int)((pte0 >> 1) & 1), |
618 | 12de9a39 | j_mayer | ctx->ptem); |
619 | 12de9a39 | j_mayer | } |
620 | 12de9a39 | j_mayer | #endif
|
621 | caa4039c | j_mayer | } else
|
622 | caa4039c | j_mayer | #endif
|
623 | caa4039c | j_mayer | { |
624 | caa4039c | j_mayer | pte0 = ldl_phys(base + (i * 8));
|
625 | caa4039c | j_mayer | pte1 = ldl_phys(base + (i * 8) + 4); |
626 | b227a8e9 | j_mayer | r = pte32_check(ctx, pte0, pte1, h, rw, type); |
627 | 9a64fbe4 | bellard | #if defined (DEBUG_MMU)
|
628 | 12de9a39 | j_mayer | if (loglevel != 0) { |
629 | 6b542af7 | j_mayer | fprintf(logfile, "Load pte from " ADDRX " => " ADDRX " " ADDRX |
630 | 6b542af7 | j_mayer | " %d %d %d " ADDRX "\n", |
631 | 12de9a39 | j_mayer | base + (i * 8), pte0, pte1,
|
632 | 12de9a39 | j_mayer | (int)(pte0 >> 31), h, (int)((pte0 >> 6) & 1), |
633 | 12de9a39 | j_mayer | ctx->ptem); |
634 | 12de9a39 | j_mayer | } |
635 | 9a64fbe4 | bellard | #endif
|
636 | 12de9a39 | j_mayer | } |
637 | caa4039c | j_mayer | switch (r) {
|
638 | 76a66253 | j_mayer | case -3: |
639 | 76a66253 | j_mayer | /* PTE inconsistency */
|
640 | 76a66253 | j_mayer | return -1; |
641 | 76a66253 | j_mayer | case -2: |
642 | 76a66253 | j_mayer | /* Access violation */
|
643 | 76a66253 | j_mayer | ret = -2;
|
644 | 76a66253 | j_mayer | good = i; |
645 | 76a66253 | j_mayer | break;
|
646 | 76a66253 | j_mayer | case -1: |
647 | 76a66253 | j_mayer | default:
|
648 | 76a66253 | j_mayer | /* No PTE match */
|
649 | 76a66253 | j_mayer | break;
|
650 | 76a66253 | j_mayer | case 0: |
651 | 76a66253 | j_mayer | /* access granted */
|
652 | 76a66253 | j_mayer | /* XXX: we should go on looping to check all PTEs consistency
|
653 | 76a66253 | j_mayer | * but if we can speed-up the whole thing as the
|
654 | 76a66253 | j_mayer | * result would be undefined if PTEs are not consistent.
|
655 | 76a66253 | j_mayer | */
|
656 | 76a66253 | j_mayer | ret = 0;
|
657 | 76a66253 | j_mayer | good = i; |
658 | 76a66253 | j_mayer | goto done;
|
659 | 9a64fbe4 | bellard | } |
660 | 9a64fbe4 | bellard | } |
661 | 9a64fbe4 | bellard | if (good != -1) { |
662 | 76a66253 | j_mayer | done:
|
663 | 9a64fbe4 | bellard | #if defined (DEBUG_MMU)
|
664 | 4a057712 | j_mayer | if (loglevel != 0) { |
665 | 6b542af7 | j_mayer | fprintf(logfile, "found PTE at addr " PADDRX " prot=%01x ret=%d\n", |
666 | 76a66253 | j_mayer | ctx->raddr, ctx->prot, ret); |
667 | 76a66253 | j_mayer | } |
668 | 9a64fbe4 | bellard | #endif
|
669 | 9a64fbe4 | bellard | /* Update page flags */
|
670 | 76a66253 | j_mayer | pte1 = ctx->raddr; |
671 | caa4039c | j_mayer | if (pte_update_flags(ctx, &pte1, ret, rw) == 1) { |
672 | caa4039c | j_mayer | #if defined(TARGET_PPC64)
|
673 | caa4039c | j_mayer | if (is_64b) {
|
674 | caa4039c | j_mayer | stq_phys_notdirty(base + (good * 16) + 8, pte1); |
675 | caa4039c | j_mayer | } else
|
676 | caa4039c | j_mayer | #endif
|
677 | caa4039c | j_mayer | { |
678 | caa4039c | j_mayer | stl_phys_notdirty(base + (good * 8) + 4, pte1); |
679 | caa4039c | j_mayer | } |
680 | caa4039c | j_mayer | } |
681 | 9a64fbe4 | bellard | } |
682 | 9a64fbe4 | bellard | |
683 | 9a64fbe4 | bellard | return ret;
|
684 | 79aceca5 | bellard | } |
685 | 79aceca5 | bellard | |
686 | a11b8151 | j_mayer | static always_inline int find_pte32 (mmu_ctx_t *ctx, int h, int rw, int type) |
687 | caa4039c | j_mayer | { |
688 | b227a8e9 | j_mayer | return _find_pte(ctx, 0, h, rw, type); |
689 | caa4039c | j_mayer | } |
690 | caa4039c | j_mayer | |
691 | caa4039c | j_mayer | #if defined(TARGET_PPC64)
|
692 | a11b8151 | j_mayer | static always_inline int find_pte64 (mmu_ctx_t *ctx, int h, int rw, int type) |
693 | caa4039c | j_mayer | { |
694 | b227a8e9 | j_mayer | return _find_pte(ctx, 1, h, rw, type); |
695 | caa4039c | j_mayer | } |
696 | caa4039c | j_mayer | #endif
|
697 | caa4039c | j_mayer | |
698 | b068d6a7 | j_mayer | static always_inline int find_pte (CPUState *env, mmu_ctx_t *ctx, |
699 | b227a8e9 | j_mayer | int h, int rw, int type) |
700 | caa4039c | j_mayer | { |
701 | caa4039c | j_mayer | #if defined(TARGET_PPC64)
|
702 | add78955 | j_mayer | if (env->mmu_model & POWERPC_MMU_64)
|
703 | b227a8e9 | j_mayer | return find_pte64(ctx, h, rw, type);
|
704 | caa4039c | j_mayer | #endif
|
705 | caa4039c | j_mayer | |
706 | b227a8e9 | j_mayer | return find_pte32(ctx, h, rw, type);
|
707 | caa4039c | j_mayer | } |
708 | caa4039c | j_mayer | |
709 | caa4039c | j_mayer | #if defined(TARGET_PPC64)
|
710 | a11b8151 | j_mayer | static always_inline int slb_is_valid (uint64_t slb64) |
711 | eacc3249 | j_mayer | { |
712 | eacc3249 | j_mayer | return slb64 & 0x0000000008000000ULL ? 1 : 0; |
713 | eacc3249 | j_mayer | } |
714 | eacc3249 | j_mayer | |
715 | a11b8151 | j_mayer | static always_inline void slb_invalidate (uint64_t *slb64) |
716 | eacc3249 | j_mayer | { |
717 | eacc3249 | j_mayer | *slb64 &= ~0x0000000008000000ULL;
|
718 | eacc3249 | j_mayer | } |
719 | eacc3249 | j_mayer | |
720 | a11b8151 | j_mayer | static always_inline int slb_lookup (CPUPPCState *env, target_ulong eaddr, |
721 | a11b8151 | j_mayer | target_ulong *vsid, |
722 | a11b8151 | j_mayer | target_ulong *page_mask, int *attr)
|
723 | caa4039c | j_mayer | { |
724 | caa4039c | j_mayer | target_phys_addr_t sr_base; |
725 | caa4039c | j_mayer | target_ulong mask; |
726 | caa4039c | j_mayer | uint64_t tmp64; |
727 | caa4039c | j_mayer | uint32_t tmp; |
728 | caa4039c | j_mayer | int n, ret;
|
729 | caa4039c | j_mayer | |
730 | caa4039c | j_mayer | ret = -5;
|
731 | caa4039c | j_mayer | sr_base = env->spr[SPR_ASR]; |
732 | 12de9a39 | j_mayer | #if defined(DEBUG_SLB)
|
733 | 12de9a39 | j_mayer | if (loglevel != 0) { |
734 | 12de9a39 | j_mayer | fprintf(logfile, "%s: eaddr " ADDRX " base " PADDRX "\n", |
735 | 12de9a39 | j_mayer | __func__, eaddr, sr_base); |
736 | 12de9a39 | j_mayer | } |
737 | 12de9a39 | j_mayer | #endif
|
738 | caa4039c | j_mayer | mask = 0x0000000000000000ULL; /* Avoid gcc warning */ |
739 | eacc3249 | j_mayer | for (n = 0; n < env->slb_nr; n++) { |
740 | caa4039c | j_mayer | tmp64 = ldq_phys(sr_base); |
741 | 12de9a39 | j_mayer | tmp = ldl_phys(sr_base + 8);
|
742 | 12de9a39 | j_mayer | #if defined(DEBUG_SLB)
|
743 | 12de9a39 | j_mayer | if (loglevel != 0) { |
744 | b33c17e1 | j_mayer | fprintf(logfile, "%s: seg %d " PADDRX " %016" PRIx64 " %08" |
745 | b33c17e1 | j_mayer | PRIx32 "\n", __func__, n, sr_base, tmp64, tmp);
|
746 | 12de9a39 | j_mayer | } |
747 | 12de9a39 | j_mayer | #endif
|
748 | eacc3249 | j_mayer | if (slb_is_valid(tmp64)) {
|
749 | caa4039c | j_mayer | /* SLB entry is valid */
|
750 | caa4039c | j_mayer | switch (tmp64 & 0x0000000006000000ULL) { |
751 | caa4039c | j_mayer | case 0x0000000000000000ULL: |
752 | caa4039c | j_mayer | /* 256 MB segment */
|
753 | caa4039c | j_mayer | mask = 0xFFFFFFFFF0000000ULL;
|
754 | caa4039c | j_mayer | break;
|
755 | caa4039c | j_mayer | case 0x0000000002000000ULL: |
756 | caa4039c | j_mayer | /* 1 TB segment */
|
757 | caa4039c | j_mayer | mask = 0xFFFF000000000000ULL;
|
758 | caa4039c | j_mayer | break;
|
759 | caa4039c | j_mayer | case 0x0000000004000000ULL: |
760 | caa4039c | j_mayer | case 0x0000000006000000ULL: |
761 | caa4039c | j_mayer | /* Reserved => segment is invalid */
|
762 | caa4039c | j_mayer | continue;
|
763 | caa4039c | j_mayer | } |
764 | caa4039c | j_mayer | if ((eaddr & mask) == (tmp64 & mask)) {
|
765 | caa4039c | j_mayer | /* SLB match */
|
766 | caa4039c | j_mayer | *vsid = ((tmp64 << 24) | (tmp >> 8)) & 0x0003FFFFFFFFFFFFULL; |
767 | caa4039c | j_mayer | *page_mask = ~mask; |
768 | caa4039c | j_mayer | *attr = tmp & 0xFF;
|
769 | eacc3249 | j_mayer | ret = n; |
770 | caa4039c | j_mayer | break;
|
771 | caa4039c | j_mayer | } |
772 | caa4039c | j_mayer | } |
773 | caa4039c | j_mayer | sr_base += 12;
|
774 | caa4039c | j_mayer | } |
775 | caa4039c | j_mayer | |
776 | caa4039c | j_mayer | return ret;
|
777 | 79aceca5 | bellard | } |
778 | 12de9a39 | j_mayer | |
779 | eacc3249 | j_mayer | void ppc_slb_invalidate_all (CPUPPCState *env)
|
780 | eacc3249 | j_mayer | { |
781 | eacc3249 | j_mayer | target_phys_addr_t sr_base; |
782 | eacc3249 | j_mayer | uint64_t tmp64; |
783 | eacc3249 | j_mayer | int n, do_invalidate;
|
784 | eacc3249 | j_mayer | |
785 | eacc3249 | j_mayer | do_invalidate = 0;
|
786 | eacc3249 | j_mayer | sr_base = env->spr[SPR_ASR]; |
787 | 2c1ee068 | j_mayer | /* XXX: Warning: slbia never invalidates the first segment */
|
788 | 2c1ee068 | j_mayer | for (n = 1; n < env->slb_nr; n++) { |
789 | eacc3249 | j_mayer | tmp64 = ldq_phys(sr_base); |
790 | eacc3249 | j_mayer | if (slb_is_valid(tmp64)) {
|
791 | eacc3249 | j_mayer | slb_invalidate(&tmp64); |
792 | eacc3249 | j_mayer | stq_phys(sr_base, tmp64); |
793 | eacc3249 | j_mayer | /* XXX: given the fact that segment size is 256 MB or 1TB,
|
794 | eacc3249 | j_mayer | * and we still don't have a tlb_flush_mask(env, n, mask)
|
795 | eacc3249 | j_mayer | * in Qemu, we just invalidate all TLBs
|
796 | eacc3249 | j_mayer | */
|
797 | eacc3249 | j_mayer | do_invalidate = 1;
|
798 | eacc3249 | j_mayer | } |
799 | eacc3249 | j_mayer | sr_base += 12;
|
800 | eacc3249 | j_mayer | } |
801 | eacc3249 | j_mayer | if (do_invalidate)
|
802 | eacc3249 | j_mayer | tlb_flush(env, 1);
|
803 | eacc3249 | j_mayer | } |
804 | eacc3249 | j_mayer | |
805 | eacc3249 | j_mayer | void ppc_slb_invalidate_one (CPUPPCState *env, uint64_t T0)
|
806 | eacc3249 | j_mayer | { |
807 | eacc3249 | j_mayer | target_phys_addr_t sr_base; |
808 | eacc3249 | j_mayer | target_ulong vsid, page_mask; |
809 | eacc3249 | j_mayer | uint64_t tmp64; |
810 | eacc3249 | j_mayer | int attr;
|
811 | eacc3249 | j_mayer | int n;
|
812 | eacc3249 | j_mayer | |
813 | eacc3249 | j_mayer | n = slb_lookup(env, T0, &vsid, &page_mask, &attr); |
814 | eacc3249 | j_mayer | if (n >= 0) { |
815 | eacc3249 | j_mayer | sr_base = env->spr[SPR_ASR]; |
816 | eacc3249 | j_mayer | sr_base += 12 * n;
|
817 | eacc3249 | j_mayer | tmp64 = ldq_phys(sr_base); |
818 | eacc3249 | j_mayer | if (slb_is_valid(tmp64)) {
|
819 | eacc3249 | j_mayer | slb_invalidate(&tmp64); |
820 | eacc3249 | j_mayer | stq_phys(sr_base, tmp64); |
821 | eacc3249 | j_mayer | /* XXX: given the fact that segment size is 256 MB or 1TB,
|
822 | eacc3249 | j_mayer | * and we still don't have a tlb_flush_mask(env, n, mask)
|
823 | eacc3249 | j_mayer | * in Qemu, we just invalidate all TLBs
|
824 | eacc3249 | j_mayer | */
|
825 | eacc3249 | j_mayer | tlb_flush(env, 1);
|
826 | eacc3249 | j_mayer | } |
827 | eacc3249 | j_mayer | } |
828 | eacc3249 | j_mayer | } |
829 | eacc3249 | j_mayer | |
830 | 12de9a39 | j_mayer | target_ulong ppc_load_slb (CPUPPCState *env, int slb_nr)
|
831 | 12de9a39 | j_mayer | { |
832 | 12de9a39 | j_mayer | target_phys_addr_t sr_base; |
833 | 12de9a39 | j_mayer | target_ulong rt; |
834 | 12de9a39 | j_mayer | uint64_t tmp64; |
835 | 12de9a39 | j_mayer | uint32_t tmp; |
836 | 12de9a39 | j_mayer | |
837 | 12de9a39 | j_mayer | sr_base = env->spr[SPR_ASR]; |
838 | 12de9a39 | j_mayer | sr_base += 12 * slb_nr;
|
839 | 12de9a39 | j_mayer | tmp64 = ldq_phys(sr_base); |
840 | 12de9a39 | j_mayer | tmp = ldl_phys(sr_base + 8);
|
841 | 12de9a39 | j_mayer | if (tmp64 & 0x0000000008000000ULL) { |
842 | 12de9a39 | j_mayer | /* SLB entry is valid */
|
843 | 12de9a39 | j_mayer | /* Copy SLB bits 62:88 to Rt 37:63 (VSID 23:49) */
|
844 | 12de9a39 | j_mayer | rt = tmp >> 8; /* 65:88 => 40:63 */ |
845 | 12de9a39 | j_mayer | rt |= (tmp64 & 0x7) << 24; /* 62:64 => 37:39 */ |
846 | 12de9a39 | j_mayer | /* Copy SLB bits 89:92 to Rt 33:36 (KsKpNL) */
|
847 | 12de9a39 | j_mayer | rt |= ((tmp >> 4) & 0xF) << 27; |
848 | 12de9a39 | j_mayer | } else {
|
849 | 12de9a39 | j_mayer | rt = 0;
|
850 | 12de9a39 | j_mayer | } |
851 | 12de9a39 | j_mayer | #if defined(DEBUG_SLB)
|
852 | 12de9a39 | j_mayer | if (loglevel != 0) { |
853 | 12de9a39 | j_mayer | fprintf(logfile, "%s: " PADDRX " %016" PRIx64 " %08" PRIx32 " => %d " |
854 | 12de9a39 | j_mayer | ADDRX "\n", __func__, sr_base, tmp64, tmp, slb_nr, rt);
|
855 | 12de9a39 | j_mayer | } |
856 | 12de9a39 | j_mayer | #endif
|
857 | 12de9a39 | j_mayer | |
858 | 12de9a39 | j_mayer | return rt;
|
859 | 12de9a39 | j_mayer | } |
860 | 12de9a39 | j_mayer | |
861 | 12de9a39 | j_mayer | void ppc_store_slb (CPUPPCState *env, int slb_nr, target_ulong rs) |
862 | 12de9a39 | j_mayer | { |
863 | 12de9a39 | j_mayer | target_phys_addr_t sr_base; |
864 | 12de9a39 | j_mayer | uint64_t tmp64; |
865 | 12de9a39 | j_mayer | uint32_t tmp; |
866 | 12de9a39 | j_mayer | |
867 | 12de9a39 | j_mayer | sr_base = env->spr[SPR_ASR]; |
868 | 12de9a39 | j_mayer | sr_base += 12 * slb_nr;
|
869 | 12de9a39 | j_mayer | /* Copy Rs bits 37:63 to SLB 62:88 */
|
870 | 12de9a39 | j_mayer | tmp = rs << 8;
|
871 | 12de9a39 | j_mayer | tmp64 = (rs >> 24) & 0x7; |
872 | 12de9a39 | j_mayer | /* Copy Rs bits 33:36 to SLB 89:92 */
|
873 | 12de9a39 | j_mayer | tmp |= ((rs >> 27) & 0xF) << 4; |
874 | 12de9a39 | j_mayer | /* Set the valid bit */
|
875 | 12de9a39 | j_mayer | tmp64 |= 1 << 27; |
876 | 12de9a39 | j_mayer | /* Set ESID */
|
877 | 12de9a39 | j_mayer | tmp64 |= (uint32_t)slb_nr << 28;
|
878 | 12de9a39 | j_mayer | #if defined(DEBUG_SLB)
|
879 | 12de9a39 | j_mayer | if (loglevel != 0) { |
880 | 6b542af7 | j_mayer | fprintf(logfile, "%s: %d " ADDRX " => " PADDRX " %016" PRIx64 |
881 | 6b542af7 | j_mayer | " %08" PRIx32 "\n", __func__, |
882 | 6b542af7 | j_mayer | slb_nr, rs, sr_base, tmp64, tmp); |
883 | 12de9a39 | j_mayer | } |
884 | 12de9a39 | j_mayer | #endif
|
885 | 12de9a39 | j_mayer | /* Write SLB entry to memory */
|
886 | 12de9a39 | j_mayer | stq_phys(sr_base, tmp64); |
887 | 12de9a39 | j_mayer | stl_phys(sr_base + 8, tmp);
|
888 | 12de9a39 | j_mayer | } |
889 | caa4039c | j_mayer | #endif /* defined(TARGET_PPC64) */ |
890 | 79aceca5 | bellard | |
891 | 9a64fbe4 | bellard | /* Perform segment based translation */
|
892 | b068d6a7 | j_mayer | static always_inline target_phys_addr_t get_pgaddr (target_phys_addr_t sdr1,
|
893 | b068d6a7 | j_mayer | int sdr_sh,
|
894 | b068d6a7 | j_mayer | target_phys_addr_t hash, |
895 | b068d6a7 | j_mayer | target_phys_addr_t mask) |
896 | 12de9a39 | j_mayer | { |
897 | 6f2d8978 | j_mayer | return (sdr1 & ((target_phys_addr_t)(-1ULL) << sdr_sh)) | (hash & mask); |
898 | 12de9a39 | j_mayer | } |
899 | 12de9a39 | j_mayer | |
900 | a11b8151 | j_mayer | static always_inline int get_segment (CPUState *env, mmu_ctx_t *ctx, |
901 | a11b8151 | j_mayer | target_ulong eaddr, int rw, int type) |
902 | 79aceca5 | bellard | { |
903 | 12de9a39 | j_mayer | target_phys_addr_t sdr, hash, mask, sdr_mask, htab_mask; |
904 | caa4039c | j_mayer | target_ulong sr, vsid, vsid_mask, pgidx, page_mask; |
905 | caa4039c | j_mayer | #if defined(TARGET_PPC64)
|
906 | caa4039c | j_mayer | int attr;
|
907 | 9a64fbe4 | bellard | #endif
|
908 | 0411a972 | j_mayer | int ds, vsid_sh, sdr_sh, pr;
|
909 | caa4039c | j_mayer | int ret, ret2;
|
910 | caa4039c | j_mayer | |
911 | 0411a972 | j_mayer | pr = msr_pr; |
912 | caa4039c | j_mayer | #if defined(TARGET_PPC64)
|
913 | add78955 | j_mayer | if (env->mmu_model & POWERPC_MMU_64) {
|
914 | 12de9a39 | j_mayer | #if defined (DEBUG_MMU)
|
915 | 12de9a39 | j_mayer | if (loglevel != 0) { |
916 | 12de9a39 | j_mayer | fprintf(logfile, "Check SLBs\n");
|
917 | 12de9a39 | j_mayer | } |
918 | 12de9a39 | j_mayer | #endif
|
919 | caa4039c | j_mayer | ret = slb_lookup(env, eaddr, &vsid, &page_mask, &attr); |
920 | caa4039c | j_mayer | if (ret < 0) |
921 | caa4039c | j_mayer | return ret;
|
922 | 0411a972 | j_mayer | ctx->key = ((attr & 0x40) && (pr != 0)) || |
923 | 0411a972 | j_mayer | ((attr & 0x80) && (pr == 0)) ? 1 : 0; |
924 | caa4039c | j_mayer | ds = 0;
|
925 | b227a8e9 | j_mayer | ctx->nx = attr & 0x20 ? 1 : 0; |
926 | caa4039c | j_mayer | vsid_mask = 0x00003FFFFFFFFF80ULL;
|
927 | caa4039c | j_mayer | vsid_sh = 7;
|
928 | caa4039c | j_mayer | sdr_sh = 18;
|
929 | caa4039c | j_mayer | sdr_mask = 0x3FF80;
|
930 | caa4039c | j_mayer | } else
|
931 | caa4039c | j_mayer | #endif /* defined(TARGET_PPC64) */ |
932 | caa4039c | j_mayer | { |
933 | caa4039c | j_mayer | sr = env->sr[eaddr >> 28];
|
934 | caa4039c | j_mayer | page_mask = 0x0FFFFFFF;
|
935 | 0411a972 | j_mayer | ctx->key = (((sr & 0x20000000) && (pr != 0)) || |
936 | 0411a972 | j_mayer | ((sr & 0x40000000) && (pr == 0))) ? 1 : 0; |
937 | caa4039c | j_mayer | ds = sr & 0x80000000 ? 1 : 0; |
938 | b227a8e9 | j_mayer | ctx->nx = sr & 0x10000000 ? 1 : 0; |
939 | caa4039c | j_mayer | vsid = sr & 0x00FFFFFF;
|
940 | caa4039c | j_mayer | vsid_mask = 0x01FFFFC0;
|
941 | caa4039c | j_mayer | vsid_sh = 6;
|
942 | caa4039c | j_mayer | sdr_sh = 16;
|
943 | caa4039c | j_mayer | sdr_mask = 0xFFC0;
|
944 | 9a64fbe4 | bellard | #if defined (DEBUG_MMU)
|
945 | caa4039c | j_mayer | if (loglevel != 0) { |
946 | 6b542af7 | j_mayer | fprintf(logfile, "Check segment v=" ADDRX " %d " ADDRX |
947 | 6b542af7 | j_mayer | " nip=" ADDRX " lr=" ADDRX " ir=%d dr=%d pr=%d %d t=%d\n", |
948 | caa4039c | j_mayer | eaddr, (int)(eaddr >> 28), sr, env->nip, |
949 | 0411a972 | j_mayer | env->lr, (int)msr_ir, (int)msr_dr, pr != 0 ? 1 : 0, |
950 | 0411a972 | j_mayer | rw, type); |
951 | caa4039c | j_mayer | } |
952 | 9a64fbe4 | bellard | #endif
|
953 | caa4039c | j_mayer | } |
954 | 12de9a39 | j_mayer | #if defined (DEBUG_MMU)
|
955 | 12de9a39 | j_mayer | if (loglevel != 0) { |
956 | 12de9a39 | j_mayer | fprintf(logfile, "pte segment: key=%d ds %d nx %d vsid " ADDRX "\n", |
957 | b227a8e9 | j_mayer | ctx->key, ds, ctx->nx, vsid); |
958 | 12de9a39 | j_mayer | } |
959 | 12de9a39 | j_mayer | #endif
|
960 | caa4039c | j_mayer | ret = -1;
|
961 | caa4039c | j_mayer | if (!ds) {
|
962 | 9a64fbe4 | bellard | /* Check if instruction fetch is allowed, if needed */
|
963 | b227a8e9 | j_mayer | if (type != ACCESS_CODE || ctx->nx == 0) { |
964 | 9a64fbe4 | bellard | /* Page address translation */
|
965 | 76a66253 | j_mayer | /* Primary table address */
|
966 | 76a66253 | j_mayer | sdr = env->sdr1; |
967 | 12de9a39 | j_mayer | pgidx = (eaddr & page_mask) >> TARGET_PAGE_BITS; |
968 | 12de9a39 | j_mayer | #if defined(TARGET_PPC64)
|
969 | add78955 | j_mayer | if (env->mmu_model & POWERPC_MMU_64) {
|
970 | 12de9a39 | j_mayer | htab_mask = 0x0FFFFFFF >> (28 - (sdr & 0x1F)); |
971 | 12de9a39 | j_mayer | /* XXX: this is false for 1 TB segments */
|
972 | 12de9a39 | j_mayer | hash = ((vsid ^ pgidx) << vsid_sh) & vsid_mask; |
973 | 12de9a39 | j_mayer | } else
|
974 | 12de9a39 | j_mayer | #endif
|
975 | 12de9a39 | j_mayer | { |
976 | 12de9a39 | j_mayer | htab_mask = sdr & 0x000001FF;
|
977 | 12de9a39 | j_mayer | hash = ((vsid ^ pgidx) << vsid_sh) & vsid_mask; |
978 | 12de9a39 | j_mayer | } |
979 | 12de9a39 | j_mayer | mask = (htab_mask << sdr_sh) | sdr_mask; |
980 | 12de9a39 | j_mayer | #if defined (DEBUG_MMU)
|
981 | 12de9a39 | j_mayer | if (loglevel != 0) { |
982 | 6b542af7 | j_mayer | fprintf(logfile, "sdr " PADDRX " sh %d hash " PADDRX |
983 | 6b542af7 | j_mayer | " mask " PADDRX " " ADDRX "\n", |
984 | 6b542af7 | j_mayer | sdr, sdr_sh, hash, mask, page_mask); |
985 | 12de9a39 | j_mayer | } |
986 | 12de9a39 | j_mayer | #endif
|
987 | caa4039c | j_mayer | ctx->pg_addr[0] = get_pgaddr(sdr, sdr_sh, hash, mask);
|
988 | 76a66253 | j_mayer | /* Secondary table address */
|
989 | caa4039c | j_mayer | hash = (~hash) & vsid_mask; |
990 | 12de9a39 | j_mayer | #if defined (DEBUG_MMU)
|
991 | 12de9a39 | j_mayer | if (loglevel != 0) { |
992 | 6b542af7 | j_mayer | fprintf(logfile, "sdr " PADDRX " sh %d hash " PADDRX |
993 | 6b542af7 | j_mayer | " mask " PADDRX "\n", |
994 | 6b542af7 | j_mayer | sdr, sdr_sh, hash, mask); |
995 | 12de9a39 | j_mayer | } |
996 | 12de9a39 | j_mayer | #endif
|
997 | caa4039c | j_mayer | ctx->pg_addr[1] = get_pgaddr(sdr, sdr_sh, hash, mask);
|
998 | caa4039c | j_mayer | #if defined(TARGET_PPC64)
|
999 | add78955 | j_mayer | if (env->mmu_model & POWERPC_MMU_64) {
|
1000 | caa4039c | j_mayer | /* Only 5 bits of the page index are used in the AVPN */
|
1001 | caa4039c | j_mayer | ctx->ptem = (vsid << 12) | ((pgidx >> 4) & 0x0F80); |
1002 | caa4039c | j_mayer | } else
|
1003 | caa4039c | j_mayer | #endif
|
1004 | caa4039c | j_mayer | { |
1005 | caa4039c | j_mayer | ctx->ptem = (vsid << 7) | (pgidx >> 10); |
1006 | caa4039c | j_mayer | } |
1007 | 76a66253 | j_mayer | /* Initialize real address with an invalid value */
|
1008 | 6f2d8978 | j_mayer | ctx->raddr = (target_phys_addr_t)-1ULL;
|
1009 | 7dbe11ac | j_mayer | if (unlikely(env->mmu_model == POWERPC_MMU_SOFT_6xx ||
|
1010 | 7dbe11ac | j_mayer | env->mmu_model == POWERPC_MMU_SOFT_74xx)) { |
1011 | 76a66253 | j_mayer | /* Software TLB search */
|
1012 | 76a66253 | j_mayer | ret = ppc6xx_tlb_check(env, ctx, eaddr, rw, type); |
1013 | 76a66253 | j_mayer | } else {
|
1014 | 9a64fbe4 | bellard | #if defined (DEBUG_MMU)
|
1015 | 4a057712 | j_mayer | if (loglevel != 0) { |
1016 | 6b542af7 | j_mayer | fprintf(logfile, "0 sdr1=" PADDRX " vsid=" ADDRX " " |
1017 | 6b542af7 | j_mayer | "api=" ADDRX " hash=" PADDRX |
1018 | 6b542af7 | j_mayer | " pg_addr=" PADDRX "\n", |
1019 | 6b542af7 | j_mayer | sdr, vsid, pgidx, hash, ctx->pg_addr[0]);
|
1020 | 76a66253 | j_mayer | } |
1021 | 9a64fbe4 | bellard | #endif
|
1022 | 76a66253 | j_mayer | /* Primary table lookup */
|
1023 | b227a8e9 | j_mayer | ret = find_pte(env, ctx, 0, rw, type);
|
1024 | 76a66253 | j_mayer | if (ret < 0) { |
1025 | 76a66253 | j_mayer | /* Secondary table lookup */
|
1026 | 9a64fbe4 | bellard | #if defined (DEBUG_MMU)
|
1027 | 4a057712 | j_mayer | if (eaddr != 0xEFFFFFFF && loglevel != 0) { |
1028 | 6b542af7 | j_mayer | fprintf(logfile, "1 sdr1=" PADDRX " vsid=" ADDRX " " |
1029 | 6b542af7 | j_mayer | "api=" ADDRX " hash=" PADDRX |
1030 | 6b542af7 | j_mayer | " pg_addr=" PADDRX "\n", |
1031 | 6b542af7 | j_mayer | sdr, vsid, pgidx, hash, ctx->pg_addr[1]);
|
1032 | 76a66253 | j_mayer | } |
1033 | 9a64fbe4 | bellard | #endif
|
1034 | b227a8e9 | j_mayer | ret2 = find_pte(env, ctx, 1, rw, type);
|
1035 | 76a66253 | j_mayer | if (ret2 != -1) |
1036 | 76a66253 | j_mayer | ret = ret2; |
1037 | 76a66253 | j_mayer | } |
1038 | 9a64fbe4 | bellard | } |
1039 | 0411a972 | j_mayer | #if defined (DUMP_PAGE_TABLES)
|
1040 | b33c17e1 | j_mayer | if (loglevel != 0) { |
1041 | b33c17e1 | j_mayer | target_phys_addr_t curaddr; |
1042 | b33c17e1 | j_mayer | uint32_t a0, a1, a2, a3; |
1043 | 6b542af7 | j_mayer | fprintf(logfile, "Page table: " PADDRX " len " PADDRX "\n", |
1044 | b33c17e1 | j_mayer | sdr, mask + 0x80);
|
1045 | b33c17e1 | j_mayer | for (curaddr = sdr; curaddr < (sdr + mask + 0x80); |
1046 | b33c17e1 | j_mayer | curaddr += 16) {
|
1047 | b33c17e1 | j_mayer | a0 = ldl_phys(curaddr); |
1048 | b33c17e1 | j_mayer | a1 = ldl_phys(curaddr + 4);
|
1049 | b33c17e1 | j_mayer | a2 = ldl_phys(curaddr + 8);
|
1050 | b33c17e1 | j_mayer | a3 = ldl_phys(curaddr + 12);
|
1051 | b33c17e1 | j_mayer | if (a0 != 0 || a1 != 0 || a2 != 0 || a3 != 0) { |
1052 | 6b542af7 | j_mayer | fprintf(logfile, PADDRX ": %08x %08x %08x %08x\n",
|
1053 | b33c17e1 | j_mayer | curaddr, a0, a1, a2, a3); |
1054 | 12de9a39 | j_mayer | } |
1055 | b33c17e1 | j_mayer | } |
1056 | b33c17e1 | j_mayer | } |
1057 | 12de9a39 | j_mayer | #endif
|
1058 | 9a64fbe4 | bellard | } else {
|
1059 | 9a64fbe4 | bellard | #if defined (DEBUG_MMU)
|
1060 | 4a057712 | j_mayer | if (loglevel != 0) |
1061 | 76a66253 | j_mayer | fprintf(logfile, "No access allowed\n");
|
1062 | 9a64fbe4 | bellard | #endif
|
1063 | 76a66253 | j_mayer | ret = -3;
|
1064 | 9a64fbe4 | bellard | } |
1065 | 9a64fbe4 | bellard | } else {
|
1066 | 9a64fbe4 | bellard | #if defined (DEBUG_MMU)
|
1067 | 4a057712 | j_mayer | if (loglevel != 0) |
1068 | 76a66253 | j_mayer | fprintf(logfile, "direct store...\n");
|
1069 | 9a64fbe4 | bellard | #endif
|
1070 | 9a64fbe4 | bellard | /* Direct-store segment : absolutely *BUGGY* for now */
|
1071 | 9a64fbe4 | bellard | switch (type) {
|
1072 | 9a64fbe4 | bellard | case ACCESS_INT:
|
1073 | 9a64fbe4 | bellard | /* Integer load/store : only access allowed */
|
1074 | 9a64fbe4 | bellard | break;
|
1075 | 9a64fbe4 | bellard | case ACCESS_CODE:
|
1076 | 9a64fbe4 | bellard | /* No code fetch is allowed in direct-store areas */
|
1077 | 9a64fbe4 | bellard | return -4; |
1078 | 9a64fbe4 | bellard | case ACCESS_FLOAT:
|
1079 | 9a64fbe4 | bellard | /* Floating point load/store */
|
1080 | 9a64fbe4 | bellard | return -4; |
1081 | 9a64fbe4 | bellard | case ACCESS_RES:
|
1082 | 9a64fbe4 | bellard | /* lwarx, ldarx or srwcx. */
|
1083 | 9a64fbe4 | bellard | return -4; |
1084 | 9a64fbe4 | bellard | case ACCESS_CACHE:
|
1085 | 9a64fbe4 | bellard | /* dcba, dcbt, dcbtst, dcbf, dcbi, dcbst, dcbz, or icbi */
|
1086 | 9a64fbe4 | bellard | /* Should make the instruction do no-op.
|
1087 | 9a64fbe4 | bellard | * As it already do no-op, it's quite easy :-)
|
1088 | 9a64fbe4 | bellard | */
|
1089 | 76a66253 | j_mayer | ctx->raddr = eaddr; |
1090 | 9a64fbe4 | bellard | return 0; |
1091 | 9a64fbe4 | bellard | case ACCESS_EXT:
|
1092 | 9a64fbe4 | bellard | /* eciwx or ecowx */
|
1093 | 9a64fbe4 | bellard | return -4; |
1094 | 9a64fbe4 | bellard | default:
|
1095 | 9a64fbe4 | bellard | if (logfile) {
|
1096 | 9a64fbe4 | bellard | fprintf(logfile, "ERROR: instruction should not need "
|
1097 | 9a64fbe4 | bellard | "address translation\n");
|
1098 | 9a64fbe4 | bellard | } |
1099 | 9a64fbe4 | bellard | return -4; |
1100 | 9a64fbe4 | bellard | } |
1101 | 76a66253 | j_mayer | if ((rw == 1 || ctx->key != 1) && (rw == 0 || ctx->key != 0)) { |
1102 | 76a66253 | j_mayer | ctx->raddr = eaddr; |
1103 | 9a64fbe4 | bellard | ret = 2;
|
1104 | 9a64fbe4 | bellard | } else {
|
1105 | 9a64fbe4 | bellard | ret = -2;
|
1106 | 9a64fbe4 | bellard | } |
1107 | 79aceca5 | bellard | } |
1108 | 9a64fbe4 | bellard | |
1109 | 9a64fbe4 | bellard | return ret;
|
1110 | 79aceca5 | bellard | } |
1111 | 79aceca5 | bellard | |
1112 | c294fc58 | j_mayer | /* Generic TLB check function for embedded PowerPC implementations */
|
1113 | a11b8151 | j_mayer | static always_inline int ppcemb_tlb_check (CPUState *env, ppcemb_tlb_t *tlb, |
1114 | a11b8151 | j_mayer | target_phys_addr_t *raddrp, |
1115 | a11b8151 | j_mayer | target_ulong address, |
1116 | a11b8151 | j_mayer | uint32_t pid, int ext, int i) |
1117 | c294fc58 | j_mayer | { |
1118 | c294fc58 | j_mayer | target_ulong mask; |
1119 | c294fc58 | j_mayer | |
1120 | c294fc58 | j_mayer | /* Check valid flag */
|
1121 | c294fc58 | j_mayer | if (!(tlb->prot & PAGE_VALID)) {
|
1122 | c294fc58 | j_mayer | if (loglevel != 0) |
1123 | c294fc58 | j_mayer | fprintf(logfile, "%s: TLB %d not valid\n", __func__, i);
|
1124 | c294fc58 | j_mayer | return -1; |
1125 | c294fc58 | j_mayer | } |
1126 | c294fc58 | j_mayer | mask = ~(tlb->size - 1);
|
1127 | daf4f96e | j_mayer | #if defined (DEBUG_SOFTWARE_TLB)
|
1128 | c294fc58 | j_mayer | if (loglevel != 0) { |
1129 | 6b542af7 | j_mayer | fprintf(logfile, "%s: TLB %d address " ADDRX " PID %u <=> " ADDRX |
1130 | 6b542af7 | j_mayer | " " ADDRX " %u\n", |
1131 | 6b542af7 | j_mayer | __func__, i, address, pid, tlb->EPN, mask, (uint32_t)tlb->PID); |
1132 | c294fc58 | j_mayer | } |
1133 | daf4f96e | j_mayer | #endif
|
1134 | c294fc58 | j_mayer | /* Check PID */
|
1135 | 36081602 | j_mayer | if (tlb->PID != 0 && tlb->PID != pid) |
1136 | c294fc58 | j_mayer | return -1; |
1137 | c294fc58 | j_mayer | /* Check effective address */
|
1138 | c294fc58 | j_mayer | if ((address & mask) != tlb->EPN)
|
1139 | c294fc58 | j_mayer | return -1; |
1140 | c294fc58 | j_mayer | *raddrp = (tlb->RPN & mask) | (address & ~mask); |
1141 | 9706285b | j_mayer | #if (TARGET_PHYS_ADDR_BITS >= 36) |
1142 | 36081602 | j_mayer | if (ext) {
|
1143 | 36081602 | j_mayer | /* Extend the physical address to 36 bits */
|
1144 | 36081602 | j_mayer | *raddrp |= (target_phys_addr_t)(tlb->RPN & 0xF) << 32; |
1145 | 36081602 | j_mayer | } |
1146 | 9706285b | j_mayer | #endif
|
1147 | c294fc58 | j_mayer | |
1148 | c294fc58 | j_mayer | return 0; |
1149 | c294fc58 | j_mayer | } |
1150 | c294fc58 | j_mayer | |
1151 | c294fc58 | j_mayer | /* Generic TLB search function for PowerPC embedded implementations */
|
1152 | 36081602 | j_mayer | int ppcemb_tlb_search (CPUPPCState *env, target_ulong address, uint32_t pid)
|
1153 | c294fc58 | j_mayer | { |
1154 | c294fc58 | j_mayer | ppcemb_tlb_t *tlb; |
1155 | c294fc58 | j_mayer | target_phys_addr_t raddr; |
1156 | c294fc58 | j_mayer | int i, ret;
|
1157 | c294fc58 | j_mayer | |
1158 | c294fc58 | j_mayer | /* Default return value is no match */
|
1159 | c294fc58 | j_mayer | ret = -1;
|
1160 | a750fc0b | j_mayer | for (i = 0; i < env->nb_tlb; i++) { |
1161 | c294fc58 | j_mayer | tlb = &env->tlb[i].tlbe; |
1162 | 36081602 | j_mayer | if (ppcemb_tlb_check(env, tlb, &raddr, address, pid, 0, i) == 0) { |
1163 | c294fc58 | j_mayer | ret = i; |
1164 | c294fc58 | j_mayer | break;
|
1165 | c294fc58 | j_mayer | } |
1166 | c294fc58 | j_mayer | } |
1167 | c294fc58 | j_mayer | |
1168 | c294fc58 | j_mayer | return ret;
|
1169 | c294fc58 | j_mayer | } |
1170 | c294fc58 | j_mayer | |
1171 | daf4f96e | j_mayer | /* Helpers specific to PowerPC 40x implementations */
|
1172 | a11b8151 | j_mayer | static always_inline void ppc4xx_tlb_invalidate_all (CPUState *env) |
1173 | a750fc0b | j_mayer | { |
1174 | a750fc0b | j_mayer | ppcemb_tlb_t *tlb; |
1175 | a750fc0b | j_mayer | int i;
|
1176 | a750fc0b | j_mayer | |
1177 | a750fc0b | j_mayer | for (i = 0; i < env->nb_tlb; i++) { |
1178 | a750fc0b | j_mayer | tlb = &env->tlb[i].tlbe; |
1179 | daf4f96e | j_mayer | tlb->prot &= ~PAGE_VALID; |
1180 | a750fc0b | j_mayer | } |
1181 | daf4f96e | j_mayer | tlb_flush(env, 1);
|
1182 | a750fc0b | j_mayer | } |
1183 | a750fc0b | j_mayer | |
1184 | a11b8151 | j_mayer | static always_inline void ppc4xx_tlb_invalidate_virt (CPUState *env, |
1185 | a11b8151 | j_mayer | target_ulong eaddr, |
1186 | a11b8151 | j_mayer | uint32_t pid) |
1187 | 0a032cbe | j_mayer | { |
1188 | daf4f96e | j_mayer | #if !defined(FLUSH_ALL_TLBS)
|
1189 | 0a032cbe | j_mayer | ppcemb_tlb_t *tlb; |
1190 | daf4f96e | j_mayer | target_phys_addr_t raddr; |
1191 | daf4f96e | j_mayer | target_ulong page, end; |
1192 | 0a032cbe | j_mayer | int i;
|
1193 | 0a032cbe | j_mayer | |
1194 | 0a032cbe | j_mayer | for (i = 0; i < env->nb_tlb; i++) { |
1195 | 0a032cbe | j_mayer | tlb = &env->tlb[i].tlbe; |
1196 | daf4f96e | j_mayer | if (ppcemb_tlb_check(env, tlb, &raddr, eaddr, pid, 0, i) == 0) { |
1197 | 0a032cbe | j_mayer | end = tlb->EPN + tlb->size; |
1198 | 0a032cbe | j_mayer | for (page = tlb->EPN; page < end; page += TARGET_PAGE_SIZE)
|
1199 | 0a032cbe | j_mayer | tlb_flush_page(env, page); |
1200 | 0a032cbe | j_mayer | tlb->prot &= ~PAGE_VALID; |
1201 | daf4f96e | j_mayer | break;
|
1202 | 0a032cbe | j_mayer | } |
1203 | 0a032cbe | j_mayer | } |
1204 | daf4f96e | j_mayer | #else
|
1205 | daf4f96e | j_mayer | ppc4xx_tlb_invalidate_all(env); |
1206 | daf4f96e | j_mayer | #endif
|
1207 | 0a032cbe | j_mayer | } |
1208 | 0a032cbe | j_mayer | |
1209 | 93220573 | aurel32 | static int mmu40x_get_physical_address (CPUState *env, mmu_ctx_t *ctx, |
1210 | e96efcfc | j_mayer | target_ulong address, int rw, int access_type) |
1211 | a8dea12f | j_mayer | { |
1212 | a8dea12f | j_mayer | ppcemb_tlb_t *tlb; |
1213 | a8dea12f | j_mayer | target_phys_addr_t raddr; |
1214 | 0411a972 | j_mayer | int i, ret, zsel, zpr, pr;
|
1215 | 3b46e624 | ths | |
1216 | c55e9aef | j_mayer | ret = -1;
|
1217 | 6f2d8978 | j_mayer | raddr = (target_phys_addr_t)-1ULL;
|
1218 | 0411a972 | j_mayer | pr = msr_pr; |
1219 | a8dea12f | j_mayer | for (i = 0; i < env->nb_tlb; i++) { |
1220 | a8dea12f | j_mayer | tlb = &env->tlb[i].tlbe; |
1221 | 36081602 | j_mayer | if (ppcemb_tlb_check(env, tlb, &raddr, address,
|
1222 | 36081602 | j_mayer | env->spr[SPR_40x_PID], 0, i) < 0) |
1223 | a8dea12f | j_mayer | continue;
|
1224 | a8dea12f | j_mayer | zsel = (tlb->attr >> 4) & 0xF; |
1225 | a8dea12f | j_mayer | zpr = (env->spr[SPR_40x_ZPR] >> (28 - (2 * zsel))) & 0x3; |
1226 | daf4f96e | j_mayer | #if defined (DEBUG_SOFTWARE_TLB)
|
1227 | 4a057712 | j_mayer | if (loglevel != 0) { |
1228 | a8dea12f | j_mayer | fprintf(logfile, "%s: TLB %d zsel %d zpr %d rw %d attr %08x\n",
|
1229 | a8dea12f | j_mayer | __func__, i, zsel, zpr, rw, tlb->attr); |
1230 | a8dea12f | j_mayer | } |
1231 | daf4f96e | j_mayer | #endif
|
1232 | b227a8e9 | j_mayer | /* Check execute enable bit */
|
1233 | b227a8e9 | j_mayer | switch (zpr) {
|
1234 | b227a8e9 | j_mayer | case 0x2: |
1235 | 0411a972 | j_mayer | if (pr != 0) |
1236 | b227a8e9 | j_mayer | goto check_perms;
|
1237 | b227a8e9 | j_mayer | /* No break here */
|
1238 | b227a8e9 | j_mayer | case 0x3: |
1239 | b227a8e9 | j_mayer | /* All accesses granted */
|
1240 | b227a8e9 | j_mayer | ctx->prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC; |
1241 | b227a8e9 | j_mayer | ret = 0;
|
1242 | b227a8e9 | j_mayer | break;
|
1243 | b227a8e9 | j_mayer | case 0x0: |
1244 | 0411a972 | j_mayer | if (pr != 0) { |
1245 | b227a8e9 | j_mayer | ctx->prot = 0;
|
1246 | b227a8e9 | j_mayer | ret = -2;
|
1247 | a8dea12f | j_mayer | break;
|
1248 | a8dea12f | j_mayer | } |
1249 | b227a8e9 | j_mayer | /* No break here */
|
1250 | b227a8e9 | j_mayer | case 0x1: |
1251 | b227a8e9 | j_mayer | check_perms:
|
1252 | b227a8e9 | j_mayer | /* Check from TLB entry */
|
1253 | b227a8e9 | j_mayer | /* XXX: there is a problem here or in the TLB fill code... */
|
1254 | b227a8e9 | j_mayer | ctx->prot = tlb->prot; |
1255 | b227a8e9 | j_mayer | ctx->prot |= PAGE_EXEC; |
1256 | b227a8e9 | j_mayer | ret = check_prot(ctx->prot, rw, access_type); |
1257 | b227a8e9 | j_mayer | break;
|
1258 | a8dea12f | j_mayer | } |
1259 | a8dea12f | j_mayer | if (ret >= 0) { |
1260 | a8dea12f | j_mayer | ctx->raddr = raddr; |
1261 | daf4f96e | j_mayer | #if defined (DEBUG_SOFTWARE_TLB)
|
1262 | 4a057712 | j_mayer | if (loglevel != 0) { |
1263 | 6b542af7 | j_mayer | fprintf(logfile, "%s: access granted " ADDRX " => " PADDRX |
1264 | c55e9aef | j_mayer | " %d %d\n", __func__, address, ctx->raddr, ctx->prot,
|
1265 | c55e9aef | j_mayer | ret); |
1266 | a8dea12f | j_mayer | } |
1267 | daf4f96e | j_mayer | #endif
|
1268 | c55e9aef | j_mayer | return 0; |
1269 | a8dea12f | j_mayer | } |
1270 | a8dea12f | j_mayer | } |
1271 | daf4f96e | j_mayer | #if defined (DEBUG_SOFTWARE_TLB)
|
1272 | 4a057712 | j_mayer | if (loglevel != 0) { |
1273 | 6b542af7 | j_mayer | fprintf(logfile, "%s: access refused " ADDRX " => " PADDRX |
1274 | c55e9aef | j_mayer | " %d %d\n", __func__, address, raddr, ctx->prot,
|
1275 | c55e9aef | j_mayer | ret); |
1276 | c55e9aef | j_mayer | } |
1277 | daf4f96e | j_mayer | #endif
|
1278 | 3b46e624 | ths | |
1279 | a8dea12f | j_mayer | return ret;
|
1280 | a8dea12f | j_mayer | } |
1281 | a8dea12f | j_mayer | |
1282 | c294fc58 | j_mayer | void store_40x_sler (CPUPPCState *env, uint32_t val)
|
1283 | c294fc58 | j_mayer | { |
1284 | c294fc58 | j_mayer | /* XXX: TO BE FIXED */
|
1285 | c294fc58 | j_mayer | if (val != 0x00000000) { |
1286 | c294fc58 | j_mayer | cpu_abort(env, "Little-endian regions are not supported by now\n");
|
1287 | c294fc58 | j_mayer | } |
1288 | c294fc58 | j_mayer | env->spr[SPR_405_SLER] = val; |
1289 | c294fc58 | j_mayer | } |
1290 | c294fc58 | j_mayer | |
1291 | 93220573 | aurel32 | static int mmubooke_get_physical_address (CPUState *env, mmu_ctx_t *ctx, |
1292 | 93220573 | aurel32 | target_ulong address, int rw,
|
1293 | 93220573 | aurel32 | int access_type)
|
1294 | 5eb7995e | j_mayer | { |
1295 | 5eb7995e | j_mayer | ppcemb_tlb_t *tlb; |
1296 | 5eb7995e | j_mayer | target_phys_addr_t raddr; |
1297 | 5eb7995e | j_mayer | int i, prot, ret;
|
1298 | 5eb7995e | j_mayer | |
1299 | 5eb7995e | j_mayer | ret = -1;
|
1300 | 6f2d8978 | j_mayer | raddr = (target_phys_addr_t)-1ULL;
|
1301 | 5eb7995e | j_mayer | for (i = 0; i < env->nb_tlb; i++) { |
1302 | 5eb7995e | j_mayer | tlb = &env->tlb[i].tlbe; |
1303 | 5eb7995e | j_mayer | if (ppcemb_tlb_check(env, tlb, &raddr, address,
|
1304 | 5eb7995e | j_mayer | env->spr[SPR_BOOKE_PID], 1, i) < 0) |
1305 | 5eb7995e | j_mayer | continue;
|
1306 | 0411a972 | j_mayer | if (msr_pr != 0) |
1307 | 5eb7995e | j_mayer | prot = tlb->prot & 0xF;
|
1308 | 5eb7995e | j_mayer | else
|
1309 | 5eb7995e | j_mayer | prot = (tlb->prot >> 4) & 0xF; |
1310 | 5eb7995e | j_mayer | /* Check the address space */
|
1311 | 5eb7995e | j_mayer | if (access_type == ACCESS_CODE) {
|
1312 | d26bfc9a | j_mayer | if (msr_ir != (tlb->attr & 1)) |
1313 | 5eb7995e | j_mayer | continue;
|
1314 | 5eb7995e | j_mayer | ctx->prot = prot; |
1315 | 5eb7995e | j_mayer | if (prot & PAGE_EXEC) {
|
1316 | 5eb7995e | j_mayer | ret = 0;
|
1317 | 5eb7995e | j_mayer | break;
|
1318 | 5eb7995e | j_mayer | } |
1319 | 5eb7995e | j_mayer | ret = -3;
|
1320 | 5eb7995e | j_mayer | } else {
|
1321 | d26bfc9a | j_mayer | if (msr_dr != (tlb->attr & 1)) |
1322 | 5eb7995e | j_mayer | continue;
|
1323 | 5eb7995e | j_mayer | ctx->prot = prot; |
1324 | 5eb7995e | j_mayer | if ((!rw && prot & PAGE_READ) || (rw && (prot & PAGE_WRITE))) {
|
1325 | 5eb7995e | j_mayer | ret = 0;
|
1326 | 5eb7995e | j_mayer | break;
|
1327 | 5eb7995e | j_mayer | } |
1328 | 5eb7995e | j_mayer | ret = -2;
|
1329 | 5eb7995e | j_mayer | } |
1330 | 5eb7995e | j_mayer | } |
1331 | 5eb7995e | j_mayer | if (ret >= 0) |
1332 | 5eb7995e | j_mayer | ctx->raddr = raddr; |
1333 | 5eb7995e | j_mayer | |
1334 | 5eb7995e | j_mayer | return ret;
|
1335 | 5eb7995e | j_mayer | } |
1336 | 5eb7995e | j_mayer | |
1337 | a11b8151 | j_mayer | static always_inline int check_physical (CPUState *env, mmu_ctx_t *ctx, |
1338 | a11b8151 | j_mayer | target_ulong eaddr, int rw)
|
1339 | 76a66253 | j_mayer | { |
1340 | 76a66253 | j_mayer | int in_plb, ret;
|
1341 | 3b46e624 | ths | |
1342 | 76a66253 | j_mayer | ctx->raddr = eaddr; |
1343 | b227a8e9 | j_mayer | ctx->prot = PAGE_READ | PAGE_EXEC; |
1344 | 76a66253 | j_mayer | ret = 0;
|
1345 | a750fc0b | j_mayer | switch (env->mmu_model) {
|
1346 | a750fc0b | j_mayer | case POWERPC_MMU_32B:
|
1347 | faadf50e | j_mayer | case POWERPC_MMU_601:
|
1348 | a750fc0b | j_mayer | case POWERPC_MMU_SOFT_6xx:
|
1349 | 7dbe11ac | j_mayer | case POWERPC_MMU_SOFT_74xx:
|
1350 | a750fc0b | j_mayer | case POWERPC_MMU_SOFT_4xx:
|
1351 | b4095fed | j_mayer | case POWERPC_MMU_REAL:
|
1352 | 7dbe11ac | j_mayer | case POWERPC_MMU_BOOKE:
|
1353 | caa4039c | j_mayer | ctx->prot |= PAGE_WRITE; |
1354 | caa4039c | j_mayer | break;
|
1355 | caa4039c | j_mayer | #if defined(TARGET_PPC64)
|
1356 | add78955 | j_mayer | case POWERPC_MMU_620:
|
1357 | a750fc0b | j_mayer | case POWERPC_MMU_64B:
|
1358 | caa4039c | j_mayer | /* Real address are 60 bits long */
|
1359 | a750fc0b | j_mayer | ctx->raddr &= 0x0FFFFFFFFFFFFFFFULL;
|
1360 | caa4039c | j_mayer | ctx->prot |= PAGE_WRITE; |
1361 | caa4039c | j_mayer | break;
|
1362 | 9706285b | j_mayer | #endif
|
1363 | a750fc0b | j_mayer | case POWERPC_MMU_SOFT_4xx_Z:
|
1364 | caa4039c | j_mayer | if (unlikely(msr_pe != 0)) { |
1365 | caa4039c | j_mayer | /* 403 family add some particular protections,
|
1366 | caa4039c | j_mayer | * using PBL/PBU registers for accesses with no translation.
|
1367 | caa4039c | j_mayer | */
|
1368 | caa4039c | j_mayer | in_plb = |
1369 | caa4039c | j_mayer | /* Check PLB validity */
|
1370 | caa4039c | j_mayer | (env->pb[0] < env->pb[1] && |
1371 | caa4039c | j_mayer | /* and address in plb area */
|
1372 | caa4039c | j_mayer | eaddr >= env->pb[0] && eaddr < env->pb[1]) || |
1373 | caa4039c | j_mayer | (env->pb[2] < env->pb[3] && |
1374 | caa4039c | j_mayer | eaddr >= env->pb[2] && eaddr < env->pb[3]) ? 1 : 0; |
1375 | caa4039c | j_mayer | if (in_plb ^ msr_px) {
|
1376 | caa4039c | j_mayer | /* Access in protected area */
|
1377 | caa4039c | j_mayer | if (rw == 1) { |
1378 | caa4039c | j_mayer | /* Access is not allowed */
|
1379 | caa4039c | j_mayer | ret = -2;
|
1380 | caa4039c | j_mayer | } |
1381 | caa4039c | j_mayer | } else {
|
1382 | caa4039c | j_mayer | /* Read-write access is allowed */
|
1383 | caa4039c | j_mayer | ctx->prot |= PAGE_WRITE; |
1384 | 76a66253 | j_mayer | } |
1385 | 76a66253 | j_mayer | } |
1386 | e1833e1f | j_mayer | break;
|
1387 | b4095fed | j_mayer | case POWERPC_MMU_MPC8xx:
|
1388 | b4095fed | j_mayer | /* XXX: TODO */
|
1389 | b4095fed | j_mayer | cpu_abort(env, "MPC8xx MMU model is not implemented\n");
|
1390 | b4095fed | j_mayer | break;
|
1391 | a750fc0b | j_mayer | case POWERPC_MMU_BOOKE_FSL:
|
1392 | caa4039c | j_mayer | /* XXX: TODO */
|
1393 | caa4039c | j_mayer | cpu_abort(env, "BookE FSL MMU model not implemented\n");
|
1394 | caa4039c | j_mayer | break;
|
1395 | caa4039c | j_mayer | default:
|
1396 | caa4039c | j_mayer | cpu_abort(env, "Unknown or invalid MMU model\n");
|
1397 | caa4039c | j_mayer | return -1; |
1398 | 76a66253 | j_mayer | } |
1399 | 76a66253 | j_mayer | |
1400 | 76a66253 | j_mayer | return ret;
|
1401 | 76a66253 | j_mayer | } |
1402 | 76a66253 | j_mayer | |
1403 | 76a66253 | j_mayer | int get_physical_address (CPUState *env, mmu_ctx_t *ctx, target_ulong eaddr,
|
1404 | faadf50e | j_mayer | int rw, int access_type) |
1405 | 9a64fbe4 | bellard | { |
1406 | 9a64fbe4 | bellard | int ret;
|
1407 | 0411a972 | j_mayer | |
1408 | 514fb8c1 | bellard | #if 0
|
1409 | 4a057712 | j_mayer | if (loglevel != 0) {
|
1410 | 9a64fbe4 | bellard | fprintf(logfile, "%s\n", __func__);
|
1411 | 9a64fbe4 | bellard | }
|
1412 | d9bce9d9 | j_mayer | #endif
|
1413 | 4b3686fa | bellard | if ((access_type == ACCESS_CODE && msr_ir == 0) || |
1414 | 4b3686fa | bellard | (access_type != ACCESS_CODE && msr_dr == 0)) {
|
1415 | 9a64fbe4 | bellard | /* No address translation */
|
1416 | 76a66253 | j_mayer | ret = check_physical(env, ctx, eaddr, rw); |
1417 | 9a64fbe4 | bellard | } else {
|
1418 | c55e9aef | j_mayer | ret = -1;
|
1419 | a750fc0b | j_mayer | switch (env->mmu_model) {
|
1420 | a750fc0b | j_mayer | case POWERPC_MMU_32B:
|
1421 | faadf50e | j_mayer | case POWERPC_MMU_601:
|
1422 | a750fc0b | j_mayer | case POWERPC_MMU_SOFT_6xx:
|
1423 | 7dbe11ac | j_mayer | case POWERPC_MMU_SOFT_74xx:
|
1424 | c55e9aef | j_mayer | #if defined(TARGET_PPC64)
|
1425 | add78955 | j_mayer | case POWERPC_MMU_620:
|
1426 | a750fc0b | j_mayer | case POWERPC_MMU_64B:
|
1427 | c55e9aef | j_mayer | #endif
|
1428 | faadf50e | j_mayer | /* Try to find a BAT */
|
1429 | faadf50e | j_mayer | if (env->nb_BATs != 0) |
1430 | faadf50e | j_mayer | ret = get_bat(env, ctx, eaddr, rw, access_type); |
1431 | a8dea12f | j_mayer | if (ret < 0) { |
1432 | c55e9aef | j_mayer | /* We didn't match any BAT entry or don't have BATs */
|
1433 | a8dea12f | j_mayer | ret = get_segment(env, ctx, eaddr, rw, access_type); |
1434 | a8dea12f | j_mayer | } |
1435 | a8dea12f | j_mayer | break;
|
1436 | a750fc0b | j_mayer | case POWERPC_MMU_SOFT_4xx:
|
1437 | a750fc0b | j_mayer | case POWERPC_MMU_SOFT_4xx_Z:
|
1438 | 36081602 | j_mayer | ret = mmu40x_get_physical_address(env, ctx, eaddr, |
1439 | a8dea12f | j_mayer | rw, access_type); |
1440 | a8dea12f | j_mayer | break;
|
1441 | a750fc0b | j_mayer | case POWERPC_MMU_BOOKE:
|
1442 | 5eb7995e | j_mayer | ret = mmubooke_get_physical_address(env, ctx, eaddr, |
1443 | 5eb7995e | j_mayer | rw, access_type); |
1444 | 5eb7995e | j_mayer | break;
|
1445 | b4095fed | j_mayer | case POWERPC_MMU_MPC8xx:
|
1446 | b4095fed | j_mayer | /* XXX: TODO */
|
1447 | b4095fed | j_mayer | cpu_abort(env, "MPC8xx MMU model is not implemented\n");
|
1448 | b4095fed | j_mayer | break;
|
1449 | a750fc0b | j_mayer | case POWERPC_MMU_BOOKE_FSL:
|
1450 | c55e9aef | j_mayer | /* XXX: TODO */
|
1451 | c55e9aef | j_mayer | cpu_abort(env, "BookE FSL MMU model not implemented\n");
|
1452 | c55e9aef | j_mayer | return -1; |
1453 | b4095fed | j_mayer | case POWERPC_MMU_REAL:
|
1454 | b4095fed | j_mayer | cpu_abort(env, "PowerPC in real mode do not do any translation\n");
|
1455 | 2662a059 | j_mayer | return -1; |
1456 | c55e9aef | j_mayer | default:
|
1457 | c55e9aef | j_mayer | cpu_abort(env, "Unknown or invalid MMU model\n");
|
1458 | a8dea12f | j_mayer | return -1; |
1459 | 9a64fbe4 | bellard | } |
1460 | 9a64fbe4 | bellard | } |
1461 | 514fb8c1 | bellard | #if 0
|
1462 | 4a057712 | j_mayer | if (loglevel != 0) {
|
1463 | 4a057712 | j_mayer | fprintf(logfile, "%s address " ADDRX " => %d " PADDRX "\n",
|
1464 | c55e9aef | j_mayer | __func__, eaddr, ret, ctx->raddr);
|
1465 | a541f297 | bellard | }
|
1466 | 76a66253 | j_mayer | #endif
|
1467 | d9bce9d9 | j_mayer | |
1468 | 9a64fbe4 | bellard | return ret;
|
1469 | 9a64fbe4 | bellard | } |
1470 | 9a64fbe4 | bellard | |
1471 | 9b3c35e0 | j_mayer | target_phys_addr_t cpu_get_phys_page_debug (CPUState *env, target_ulong addr) |
1472 | a6b025d3 | bellard | { |
1473 | 76a66253 | j_mayer | mmu_ctx_t ctx; |
1474 | a6b025d3 | bellard | |
1475 | faadf50e | j_mayer | if (unlikely(get_physical_address(env, &ctx, addr, 0, ACCESS_INT) != 0)) |
1476 | a6b025d3 | bellard | return -1; |
1477 | 76a66253 | j_mayer | |
1478 | 76a66253 | j_mayer | return ctx.raddr & TARGET_PAGE_MASK;
|
1479 | a6b025d3 | bellard | } |
1480 | 9a64fbe4 | bellard | |
1481 | 9a64fbe4 | bellard | /* Perform address translation */
|
1482 | e96efcfc | j_mayer | int cpu_ppc_handle_mmu_fault (CPUState *env, target_ulong address, int rw, |
1483 | 6ebbf390 | j_mayer | int mmu_idx, int is_softmmu) |
1484 | 9a64fbe4 | bellard | { |
1485 | 76a66253 | j_mayer | mmu_ctx_t ctx; |
1486 | a541f297 | bellard | int access_type;
|
1487 | 9a64fbe4 | bellard | int ret = 0; |
1488 | d9bce9d9 | j_mayer | |
1489 | b769d8fe | bellard | if (rw == 2) { |
1490 | b769d8fe | bellard | /* code access */
|
1491 | b769d8fe | bellard | rw = 0;
|
1492 | b769d8fe | bellard | access_type = ACCESS_CODE; |
1493 | b769d8fe | bellard | } else {
|
1494 | b769d8fe | bellard | /* data access */
|
1495 | b4cec7b4 | aurel32 | access_type = env->access_type; |
1496 | b769d8fe | bellard | } |
1497 | faadf50e | j_mayer | ret = get_physical_address(env, &ctx, address, rw, access_type); |
1498 | 9a64fbe4 | bellard | if (ret == 0) { |
1499 | b227a8e9 | j_mayer | ret = tlb_set_page_exec(env, address & TARGET_PAGE_MASK, |
1500 | b227a8e9 | j_mayer | ctx.raddr & TARGET_PAGE_MASK, ctx.prot, |
1501 | b227a8e9 | j_mayer | mmu_idx, is_softmmu); |
1502 | 9a64fbe4 | bellard | } else if (ret < 0) { |
1503 | 9a64fbe4 | bellard | #if defined (DEBUG_MMU)
|
1504 | 4a057712 | j_mayer | if (loglevel != 0) |
1505 | 76a66253 | j_mayer | cpu_dump_state(env, logfile, fprintf, 0);
|
1506 | 9a64fbe4 | bellard | #endif
|
1507 | 9a64fbe4 | bellard | if (access_type == ACCESS_CODE) {
|
1508 | 9a64fbe4 | bellard | switch (ret) {
|
1509 | 9a64fbe4 | bellard | case -1: |
1510 | 76a66253 | j_mayer | /* No matches in page tables or TLB */
|
1511 | a750fc0b | j_mayer | switch (env->mmu_model) {
|
1512 | a750fc0b | j_mayer | case POWERPC_MMU_SOFT_6xx:
|
1513 | 8f793433 | j_mayer | env->exception_index = POWERPC_EXCP_IFTLB; |
1514 | 8f793433 | j_mayer | env->error_code = 1 << 18; |
1515 | 76a66253 | j_mayer | env->spr[SPR_IMISS] = address; |
1516 | 76a66253 | j_mayer | env->spr[SPR_ICMP] = 0x80000000 | ctx.ptem;
|
1517 | 76a66253 | j_mayer | goto tlb_miss;
|
1518 | 7dbe11ac | j_mayer | case POWERPC_MMU_SOFT_74xx:
|
1519 | 8f793433 | j_mayer | env->exception_index = POWERPC_EXCP_IFTLB; |
1520 | 7dbe11ac | j_mayer | goto tlb_miss_74xx;
|
1521 | a750fc0b | j_mayer | case POWERPC_MMU_SOFT_4xx:
|
1522 | a750fc0b | j_mayer | case POWERPC_MMU_SOFT_4xx_Z:
|
1523 | 8f793433 | j_mayer | env->exception_index = POWERPC_EXCP_ITLB; |
1524 | 8f793433 | j_mayer | env->error_code = 0;
|
1525 | a8dea12f | j_mayer | env->spr[SPR_40x_DEAR] = address; |
1526 | a8dea12f | j_mayer | env->spr[SPR_40x_ESR] = 0x00000000;
|
1527 | c55e9aef | j_mayer | break;
|
1528 | a750fc0b | j_mayer | case POWERPC_MMU_32B:
|
1529 | faadf50e | j_mayer | case POWERPC_MMU_601:
|
1530 | c55e9aef | j_mayer | #if defined(TARGET_PPC64)
|
1531 | add78955 | j_mayer | case POWERPC_MMU_620:
|
1532 | a750fc0b | j_mayer | case POWERPC_MMU_64B:
|
1533 | c55e9aef | j_mayer | #endif
|
1534 | 8f793433 | j_mayer | env->exception_index = POWERPC_EXCP_ISI; |
1535 | 8f793433 | j_mayer | env->error_code = 0x40000000;
|
1536 | 8f793433 | j_mayer | break;
|
1537 | a750fc0b | j_mayer | case POWERPC_MMU_BOOKE:
|
1538 | c55e9aef | j_mayer | /* XXX: TODO */
|
1539 | b4095fed | j_mayer | cpu_abort(env, "BookE MMU model is not implemented\n");
|
1540 | c55e9aef | j_mayer | return -1; |
1541 | a750fc0b | j_mayer | case POWERPC_MMU_BOOKE_FSL:
|
1542 | c55e9aef | j_mayer | /* XXX: TODO */
|
1543 | b4095fed | j_mayer | cpu_abort(env, "BookE FSL MMU model is not implemented\n");
|
1544 | c55e9aef | j_mayer | return -1; |
1545 | b4095fed | j_mayer | case POWERPC_MMU_MPC8xx:
|
1546 | b4095fed | j_mayer | /* XXX: TODO */
|
1547 | b4095fed | j_mayer | cpu_abort(env, "MPC8xx MMU model is not implemented\n");
|
1548 | b4095fed | j_mayer | break;
|
1549 | b4095fed | j_mayer | case POWERPC_MMU_REAL:
|
1550 | b4095fed | j_mayer | cpu_abort(env, "PowerPC in real mode should never raise "
|
1551 | b4095fed | j_mayer | "any MMU exceptions\n");
|
1552 | 2662a059 | j_mayer | return -1; |
1553 | c55e9aef | j_mayer | default:
|
1554 | c55e9aef | j_mayer | cpu_abort(env, "Unknown or invalid MMU model\n");
|
1555 | c55e9aef | j_mayer | return -1; |
1556 | 76a66253 | j_mayer | } |
1557 | 9a64fbe4 | bellard | break;
|
1558 | 9a64fbe4 | bellard | case -2: |
1559 | 9a64fbe4 | bellard | /* Access rights violation */
|
1560 | 8f793433 | j_mayer | env->exception_index = POWERPC_EXCP_ISI; |
1561 | 8f793433 | j_mayer | env->error_code = 0x08000000;
|
1562 | 9a64fbe4 | bellard | break;
|
1563 | 9a64fbe4 | bellard | case -3: |
1564 | 76a66253 | j_mayer | /* No execute protection violation */
|
1565 | 8f793433 | j_mayer | env->exception_index = POWERPC_EXCP_ISI; |
1566 | 8f793433 | j_mayer | env->error_code = 0x10000000;
|
1567 | 9a64fbe4 | bellard | break;
|
1568 | 9a64fbe4 | bellard | case -4: |
1569 | 9a64fbe4 | bellard | /* Direct store exception */
|
1570 | 9a64fbe4 | bellard | /* No code fetch is allowed in direct-store areas */
|
1571 | 8f793433 | j_mayer | env->exception_index = POWERPC_EXCP_ISI; |
1572 | 8f793433 | j_mayer | env->error_code = 0x10000000;
|
1573 | 2be0071f | bellard | break;
|
1574 | e1833e1f | j_mayer | #if defined(TARGET_PPC64)
|
1575 | 2be0071f | bellard | case -5: |
1576 | 2be0071f | bellard | /* No match in segment table */
|
1577 | add78955 | j_mayer | if (env->mmu_model == POWERPC_MMU_620) {
|
1578 | add78955 | j_mayer | env->exception_index = POWERPC_EXCP_ISI; |
1579 | add78955 | j_mayer | /* XXX: this might be incorrect */
|
1580 | add78955 | j_mayer | env->error_code = 0x40000000;
|
1581 | add78955 | j_mayer | } else {
|
1582 | add78955 | j_mayer | env->exception_index = POWERPC_EXCP_ISEG; |
1583 | add78955 | j_mayer | env->error_code = 0;
|
1584 | add78955 | j_mayer | } |
1585 | 9a64fbe4 | bellard | break;
|
1586 | e1833e1f | j_mayer | #endif
|
1587 | 9a64fbe4 | bellard | } |
1588 | 9a64fbe4 | bellard | } else {
|
1589 | 9a64fbe4 | bellard | switch (ret) {
|
1590 | 9a64fbe4 | bellard | case -1: |
1591 | 76a66253 | j_mayer | /* No matches in page tables or TLB */
|
1592 | a750fc0b | j_mayer | switch (env->mmu_model) {
|
1593 | a750fc0b | j_mayer | case POWERPC_MMU_SOFT_6xx:
|
1594 | 76a66253 | j_mayer | if (rw == 1) { |
1595 | 8f793433 | j_mayer | env->exception_index = POWERPC_EXCP_DSTLB; |
1596 | 8f793433 | j_mayer | env->error_code = 1 << 16; |
1597 | 76a66253 | j_mayer | } else {
|
1598 | 8f793433 | j_mayer | env->exception_index = POWERPC_EXCP_DLTLB; |
1599 | 8f793433 | j_mayer | env->error_code = 0;
|
1600 | 76a66253 | j_mayer | } |
1601 | 76a66253 | j_mayer | env->spr[SPR_DMISS] = address; |
1602 | 76a66253 | j_mayer | env->spr[SPR_DCMP] = 0x80000000 | ctx.ptem;
|
1603 | 76a66253 | j_mayer | tlb_miss:
|
1604 | 8f793433 | j_mayer | env->error_code |= ctx.key << 19;
|
1605 | 76a66253 | j_mayer | env->spr[SPR_HASH1] = ctx.pg_addr[0];
|
1606 | 76a66253 | j_mayer | env->spr[SPR_HASH2] = ctx.pg_addr[1];
|
1607 | 8f793433 | j_mayer | break;
|
1608 | 7dbe11ac | j_mayer | case POWERPC_MMU_SOFT_74xx:
|
1609 | 7dbe11ac | j_mayer | if (rw == 1) { |
1610 | 8f793433 | j_mayer | env->exception_index = POWERPC_EXCP_DSTLB; |
1611 | 7dbe11ac | j_mayer | } else {
|
1612 | 8f793433 | j_mayer | env->exception_index = POWERPC_EXCP_DLTLB; |
1613 | 7dbe11ac | j_mayer | } |
1614 | 7dbe11ac | j_mayer | tlb_miss_74xx:
|
1615 | 7dbe11ac | j_mayer | /* Implement LRU algorithm */
|
1616 | 8f793433 | j_mayer | env->error_code = ctx.key << 19;
|
1617 | 7dbe11ac | j_mayer | env->spr[SPR_TLBMISS] = (address & ~((target_ulong)0x3)) |
|
1618 | 7dbe11ac | j_mayer | ((env->last_way + 1) & (env->nb_ways - 1)); |
1619 | 7dbe11ac | j_mayer | env->spr[SPR_PTEHI] = 0x80000000 | ctx.ptem;
|
1620 | 7dbe11ac | j_mayer | break;
|
1621 | a750fc0b | j_mayer | case POWERPC_MMU_SOFT_4xx:
|
1622 | a750fc0b | j_mayer | case POWERPC_MMU_SOFT_4xx_Z:
|
1623 | 8f793433 | j_mayer | env->exception_index = POWERPC_EXCP_DTLB; |
1624 | 8f793433 | j_mayer | env->error_code = 0;
|
1625 | a8dea12f | j_mayer | env->spr[SPR_40x_DEAR] = address; |
1626 | a8dea12f | j_mayer | if (rw)
|
1627 | a8dea12f | j_mayer | env->spr[SPR_40x_ESR] = 0x00800000;
|
1628 | a8dea12f | j_mayer | else
|
1629 | a8dea12f | j_mayer | env->spr[SPR_40x_ESR] = 0x00000000;
|
1630 | c55e9aef | j_mayer | break;
|
1631 | a750fc0b | j_mayer | case POWERPC_MMU_32B:
|
1632 | faadf50e | j_mayer | case POWERPC_MMU_601:
|
1633 | c55e9aef | j_mayer | #if defined(TARGET_PPC64)
|
1634 | add78955 | j_mayer | case POWERPC_MMU_620:
|
1635 | a750fc0b | j_mayer | case POWERPC_MMU_64B:
|
1636 | c55e9aef | j_mayer | #endif
|
1637 | 8f793433 | j_mayer | env->exception_index = POWERPC_EXCP_DSI; |
1638 | 8f793433 | j_mayer | env->error_code = 0;
|
1639 | 8f793433 | j_mayer | env->spr[SPR_DAR] = address; |
1640 | 8f793433 | j_mayer | if (rw == 1) |
1641 | 8f793433 | j_mayer | env->spr[SPR_DSISR] = 0x42000000;
|
1642 | 8f793433 | j_mayer | else
|
1643 | 8f793433 | j_mayer | env->spr[SPR_DSISR] = 0x40000000;
|
1644 | 8f793433 | j_mayer | break;
|
1645 | b4095fed | j_mayer | case POWERPC_MMU_MPC8xx:
|
1646 | b4095fed | j_mayer | /* XXX: TODO */
|
1647 | b4095fed | j_mayer | cpu_abort(env, "MPC8xx MMU model is not implemented\n");
|
1648 | b4095fed | j_mayer | break;
|
1649 | a750fc0b | j_mayer | case POWERPC_MMU_BOOKE:
|
1650 | c55e9aef | j_mayer | /* XXX: TODO */
|
1651 | b4095fed | j_mayer | cpu_abort(env, "BookE MMU model is not implemented\n");
|
1652 | c55e9aef | j_mayer | return -1; |
1653 | a750fc0b | j_mayer | case POWERPC_MMU_BOOKE_FSL:
|
1654 | c55e9aef | j_mayer | /* XXX: TODO */
|
1655 | b4095fed | j_mayer | cpu_abort(env, "BookE FSL MMU model is not implemented\n");
|
1656 | c55e9aef | j_mayer | return -1; |
1657 | b4095fed | j_mayer | case POWERPC_MMU_REAL:
|
1658 | b4095fed | j_mayer | cpu_abort(env, "PowerPC in real mode should never raise "
|
1659 | b4095fed | j_mayer | "any MMU exceptions\n");
|
1660 | 2662a059 | j_mayer | return -1; |
1661 | c55e9aef | j_mayer | default:
|
1662 | c55e9aef | j_mayer | cpu_abort(env, "Unknown or invalid MMU model\n");
|
1663 | c55e9aef | j_mayer | return -1; |
1664 | 76a66253 | j_mayer | } |
1665 | 9a64fbe4 | bellard | break;
|
1666 | 9a64fbe4 | bellard | case -2: |
1667 | 9a64fbe4 | bellard | /* Access rights violation */
|
1668 | 8f793433 | j_mayer | env->exception_index = POWERPC_EXCP_DSI; |
1669 | 8f793433 | j_mayer | env->error_code = 0;
|
1670 | 8f793433 | j_mayer | env->spr[SPR_DAR] = address; |
1671 | 8f793433 | j_mayer | if (rw == 1) |
1672 | 8f793433 | j_mayer | env->spr[SPR_DSISR] = 0x0A000000;
|
1673 | 8f793433 | j_mayer | else
|
1674 | 8f793433 | j_mayer | env->spr[SPR_DSISR] = 0x08000000;
|
1675 | 9a64fbe4 | bellard | break;
|
1676 | 9a64fbe4 | bellard | case -4: |
1677 | 9a64fbe4 | bellard | /* Direct store exception */
|
1678 | 9a64fbe4 | bellard | switch (access_type) {
|
1679 | 9a64fbe4 | bellard | case ACCESS_FLOAT:
|
1680 | 9a64fbe4 | bellard | /* Floating point load/store */
|
1681 | 8f793433 | j_mayer | env->exception_index = POWERPC_EXCP_ALIGN; |
1682 | 8f793433 | j_mayer | env->error_code = POWERPC_EXCP_ALIGN_FP; |
1683 | 8f793433 | j_mayer | env->spr[SPR_DAR] = address; |
1684 | 9a64fbe4 | bellard | break;
|
1685 | 9a64fbe4 | bellard | case ACCESS_RES:
|
1686 | 8f793433 | j_mayer | /* lwarx, ldarx or stwcx. */
|
1687 | 8f793433 | j_mayer | env->exception_index = POWERPC_EXCP_DSI; |
1688 | 8f793433 | j_mayer | env->error_code = 0;
|
1689 | 8f793433 | j_mayer | env->spr[SPR_DAR] = address; |
1690 | 8f793433 | j_mayer | if (rw == 1) |
1691 | 8f793433 | j_mayer | env->spr[SPR_DSISR] = 0x06000000;
|
1692 | 8f793433 | j_mayer | else
|
1693 | 8f793433 | j_mayer | env->spr[SPR_DSISR] = 0x04000000;
|
1694 | 9a64fbe4 | bellard | break;
|
1695 | 9a64fbe4 | bellard | case ACCESS_EXT:
|
1696 | 9a64fbe4 | bellard | /* eciwx or ecowx */
|
1697 | 8f793433 | j_mayer | env->exception_index = POWERPC_EXCP_DSI; |
1698 | 8f793433 | j_mayer | env->error_code = 0;
|
1699 | 8f793433 | j_mayer | env->spr[SPR_DAR] = address; |
1700 | 8f793433 | j_mayer | if (rw == 1) |
1701 | 8f793433 | j_mayer | env->spr[SPR_DSISR] = 0x06100000;
|
1702 | 8f793433 | j_mayer | else
|
1703 | 8f793433 | j_mayer | env->spr[SPR_DSISR] = 0x04100000;
|
1704 | 9a64fbe4 | bellard | break;
|
1705 | 9a64fbe4 | bellard | default:
|
1706 | 76a66253 | j_mayer | printf("DSI: invalid exception (%d)\n", ret);
|
1707 | 8f793433 | j_mayer | env->exception_index = POWERPC_EXCP_PROGRAM; |
1708 | 8f793433 | j_mayer | env->error_code = |
1709 | 8f793433 | j_mayer | POWERPC_EXCP_INVAL | POWERPC_EXCP_INVAL_INVAL; |
1710 | 8f793433 | j_mayer | env->spr[SPR_DAR] = address; |
1711 | 9a64fbe4 | bellard | break;
|
1712 | 9a64fbe4 | bellard | } |
1713 | fdabc366 | bellard | break;
|
1714 | e1833e1f | j_mayer | #if defined(TARGET_PPC64)
|
1715 | 2be0071f | bellard | case -5: |
1716 | 2be0071f | bellard | /* No match in segment table */
|
1717 | add78955 | j_mayer | if (env->mmu_model == POWERPC_MMU_620) {
|
1718 | add78955 | j_mayer | env->exception_index = POWERPC_EXCP_DSI; |
1719 | add78955 | j_mayer | env->error_code = 0;
|
1720 | add78955 | j_mayer | env->spr[SPR_DAR] = address; |
1721 | add78955 | j_mayer | /* XXX: this might be incorrect */
|
1722 | add78955 | j_mayer | if (rw == 1) |
1723 | add78955 | j_mayer | env->spr[SPR_DSISR] = 0x42000000;
|
1724 | add78955 | j_mayer | else
|
1725 | add78955 | j_mayer | env->spr[SPR_DSISR] = 0x40000000;
|
1726 | add78955 | j_mayer | } else {
|
1727 | add78955 | j_mayer | env->exception_index = POWERPC_EXCP_DSEG; |
1728 | add78955 | j_mayer | env->error_code = 0;
|
1729 | add78955 | j_mayer | env->spr[SPR_DAR] = address; |
1730 | add78955 | j_mayer | } |
1731 | 2be0071f | bellard | break;
|
1732 | e1833e1f | j_mayer | #endif
|
1733 | 9a64fbe4 | bellard | } |
1734 | 9a64fbe4 | bellard | } |
1735 | 9a64fbe4 | bellard | #if 0
|
1736 | 8f793433 | j_mayer | printf("%s: set exception to %d %02x\n", __func__,
|
1737 | 8f793433 | j_mayer | env->exception, env->error_code);
|
1738 | 9a64fbe4 | bellard | #endif
|
1739 | 9a64fbe4 | bellard | ret = 1;
|
1740 | 9a64fbe4 | bellard | } |
1741 | 76a66253 | j_mayer | |
1742 | 9a64fbe4 | bellard | return ret;
|
1743 | 9a64fbe4 | bellard | } |
1744 | 9a64fbe4 | bellard | |
1745 | 3fc6c082 | bellard | /*****************************************************************************/
|
1746 | 3fc6c082 | bellard | /* BATs management */
|
1747 | 3fc6c082 | bellard | #if !defined(FLUSH_ALL_TLBS)
|
1748 | b068d6a7 | j_mayer | static always_inline void do_invalidate_BAT (CPUPPCState *env, |
1749 | b068d6a7 | j_mayer | target_ulong BATu, |
1750 | b068d6a7 | j_mayer | target_ulong mask) |
1751 | 3fc6c082 | bellard | { |
1752 | 3fc6c082 | bellard | target_ulong base, end, page; |
1753 | 76a66253 | j_mayer | |
1754 | 3fc6c082 | bellard | base = BATu & ~0x0001FFFF;
|
1755 | 3fc6c082 | bellard | end = base + mask + 0x00020000;
|
1756 | 3fc6c082 | bellard | #if defined (DEBUG_BATS)
|
1757 | 76a66253 | j_mayer | if (loglevel != 0) { |
1758 | 1b9eb036 | j_mayer | fprintf(logfile, "Flush BAT from " ADDRX " to " ADDRX " (" ADDRX ")\n", |
1759 | 76a66253 | j_mayer | base, end, mask); |
1760 | 76a66253 | j_mayer | } |
1761 | 3fc6c082 | bellard | #endif
|
1762 | 3fc6c082 | bellard | for (page = base; page != end; page += TARGET_PAGE_SIZE)
|
1763 | 3fc6c082 | bellard | tlb_flush_page(env, page); |
1764 | 3fc6c082 | bellard | #if defined (DEBUG_BATS)
|
1765 | 3fc6c082 | bellard | if (loglevel != 0) |
1766 | 3fc6c082 | bellard | fprintf(logfile, "Flush done\n");
|
1767 | 3fc6c082 | bellard | #endif
|
1768 | 3fc6c082 | bellard | } |
1769 | 3fc6c082 | bellard | #endif
|
1770 | 3fc6c082 | bellard | |
1771 | b068d6a7 | j_mayer | static always_inline void dump_store_bat (CPUPPCState *env, char ID, |
1772 | b068d6a7 | j_mayer | int ul, int nr, target_ulong value) |
1773 | 3fc6c082 | bellard | { |
1774 | 3fc6c082 | bellard | #if defined (DEBUG_BATS)
|
1775 | 3fc6c082 | bellard | if (loglevel != 0) { |
1776 | 6b542af7 | j_mayer | fprintf(logfile, "Set %cBAT%d%c to " ADDRX " (" ADDRX ")\n", |
1777 | 1b9eb036 | j_mayer | ID, nr, ul == 0 ? 'u' : 'l', value, env->nip); |
1778 | 3fc6c082 | bellard | } |
1779 | 3fc6c082 | bellard | #endif
|
1780 | 3fc6c082 | bellard | } |
1781 | 3fc6c082 | bellard | |
1782 | 45d827d2 | aurel32 | void ppc_store_ibatu (CPUPPCState *env, int nr, target_ulong value) |
1783 | 3fc6c082 | bellard | { |
1784 | 3fc6c082 | bellard | target_ulong mask; |
1785 | 3fc6c082 | bellard | |
1786 | 3fc6c082 | bellard | dump_store_bat(env, 'I', 0, nr, value); |
1787 | 3fc6c082 | bellard | if (env->IBAT[0][nr] != value) { |
1788 | 3fc6c082 | bellard | mask = (value << 15) & 0x0FFE0000UL; |
1789 | 3fc6c082 | bellard | #if !defined(FLUSH_ALL_TLBS)
|
1790 | 3fc6c082 | bellard | do_invalidate_BAT(env, env->IBAT[0][nr], mask);
|
1791 | 3fc6c082 | bellard | #endif
|
1792 | 3fc6c082 | bellard | /* When storing valid upper BAT, mask BEPI and BRPN
|
1793 | 3fc6c082 | bellard | * and invalidate all TLBs covered by this BAT
|
1794 | 3fc6c082 | bellard | */
|
1795 | 3fc6c082 | bellard | mask = (value << 15) & 0x0FFE0000UL; |
1796 | 3fc6c082 | bellard | env->IBAT[0][nr] = (value & 0x00001FFFUL) | |
1797 | 3fc6c082 | bellard | (value & ~0x0001FFFFUL & ~mask);
|
1798 | 3fc6c082 | bellard | env->IBAT[1][nr] = (env->IBAT[1][nr] & 0x0000007B) | |
1799 | 3fc6c082 | bellard | (env->IBAT[1][nr] & ~0x0001FFFF & ~mask); |
1800 | 3fc6c082 | bellard | #if !defined(FLUSH_ALL_TLBS)
|
1801 | 3fc6c082 | bellard | do_invalidate_BAT(env, env->IBAT[0][nr], mask);
|
1802 | 76a66253 | j_mayer | #else
|
1803 | 3fc6c082 | bellard | tlb_flush(env, 1);
|
1804 | 3fc6c082 | bellard | #endif
|
1805 | 3fc6c082 | bellard | } |
1806 | 3fc6c082 | bellard | } |
1807 | 3fc6c082 | bellard | |
1808 | 45d827d2 | aurel32 | void ppc_store_ibatl (CPUPPCState *env, int nr, target_ulong value) |
1809 | 3fc6c082 | bellard | { |
1810 | 3fc6c082 | bellard | dump_store_bat(env, 'I', 1, nr, value); |
1811 | 3fc6c082 | bellard | env->IBAT[1][nr] = value;
|
1812 | 3fc6c082 | bellard | } |
1813 | 3fc6c082 | bellard | |
1814 | 45d827d2 | aurel32 | void ppc_store_dbatu (CPUPPCState *env, int nr, target_ulong value) |
1815 | 3fc6c082 | bellard | { |
1816 | 3fc6c082 | bellard | target_ulong mask; |
1817 | 3fc6c082 | bellard | |
1818 | 3fc6c082 | bellard | dump_store_bat(env, 'D', 0, nr, value); |
1819 | 3fc6c082 | bellard | if (env->DBAT[0][nr] != value) { |
1820 | 3fc6c082 | bellard | /* When storing valid upper BAT, mask BEPI and BRPN
|
1821 | 3fc6c082 | bellard | * and invalidate all TLBs covered by this BAT
|
1822 | 3fc6c082 | bellard | */
|
1823 | 3fc6c082 | bellard | mask = (value << 15) & 0x0FFE0000UL; |
1824 | 3fc6c082 | bellard | #if !defined(FLUSH_ALL_TLBS)
|
1825 | 3fc6c082 | bellard | do_invalidate_BAT(env, env->DBAT[0][nr], mask);
|
1826 | 3fc6c082 | bellard | #endif
|
1827 | 3fc6c082 | bellard | mask = (value << 15) & 0x0FFE0000UL; |
1828 | 3fc6c082 | bellard | env->DBAT[0][nr] = (value & 0x00001FFFUL) | |
1829 | 3fc6c082 | bellard | (value & ~0x0001FFFFUL & ~mask);
|
1830 | 3fc6c082 | bellard | env->DBAT[1][nr] = (env->DBAT[1][nr] & 0x0000007B) | |
1831 | 3fc6c082 | bellard | (env->DBAT[1][nr] & ~0x0001FFFF & ~mask); |
1832 | 3fc6c082 | bellard | #if !defined(FLUSH_ALL_TLBS)
|
1833 | 3fc6c082 | bellard | do_invalidate_BAT(env, env->DBAT[0][nr], mask);
|
1834 | 3fc6c082 | bellard | #else
|
1835 | 3fc6c082 | bellard | tlb_flush(env, 1);
|
1836 | 3fc6c082 | bellard | #endif
|
1837 | 3fc6c082 | bellard | } |
1838 | 3fc6c082 | bellard | } |
1839 | 3fc6c082 | bellard | |
1840 | 45d827d2 | aurel32 | void ppc_store_dbatl (CPUPPCState *env, int nr, target_ulong value) |
1841 | 3fc6c082 | bellard | { |
1842 | 3fc6c082 | bellard | dump_store_bat(env, 'D', 1, nr, value); |
1843 | 3fc6c082 | bellard | env->DBAT[1][nr] = value;
|
1844 | 3fc6c082 | bellard | } |
1845 | 3fc6c082 | bellard | |
1846 | 45d827d2 | aurel32 | void ppc_store_ibatu_601 (CPUPPCState *env, int nr, target_ulong value) |
1847 | 056401ea | j_mayer | { |
1848 | 056401ea | j_mayer | target_ulong mask; |
1849 | 056401ea | j_mayer | int do_inval;
|
1850 | 056401ea | j_mayer | |
1851 | 056401ea | j_mayer | dump_store_bat(env, 'I', 0, nr, value); |
1852 | 056401ea | j_mayer | if (env->IBAT[0][nr] != value) { |
1853 | 056401ea | j_mayer | do_inval = 0;
|
1854 | 056401ea | j_mayer | mask = (env->IBAT[1][nr] << 17) & 0x0FFE0000UL; |
1855 | 056401ea | j_mayer | if (env->IBAT[1][nr] & 0x40) { |
1856 | 056401ea | j_mayer | /* Invalidate BAT only if it is valid */
|
1857 | 056401ea | j_mayer | #if !defined(FLUSH_ALL_TLBS)
|
1858 | 056401ea | j_mayer | do_invalidate_BAT(env, env->IBAT[0][nr], mask);
|
1859 | 056401ea | j_mayer | #else
|
1860 | 056401ea | j_mayer | do_inval = 1;
|
1861 | 056401ea | j_mayer | #endif
|
1862 | 056401ea | j_mayer | } |
1863 | 056401ea | j_mayer | /* When storing valid upper BAT, mask BEPI and BRPN
|
1864 | 056401ea | j_mayer | * and invalidate all TLBs covered by this BAT
|
1865 | 056401ea | j_mayer | */
|
1866 | 056401ea | j_mayer | env->IBAT[0][nr] = (value & 0x00001FFFUL) | |
1867 | 056401ea | j_mayer | (value & ~0x0001FFFFUL & ~mask);
|
1868 | 056401ea | j_mayer | env->DBAT[0][nr] = env->IBAT[0][nr]; |
1869 | 056401ea | j_mayer | if (env->IBAT[1][nr] & 0x40) { |
1870 | 056401ea | j_mayer | #if !defined(FLUSH_ALL_TLBS)
|
1871 | 056401ea | j_mayer | do_invalidate_BAT(env, env->IBAT[0][nr], mask);
|
1872 | 056401ea | j_mayer | #else
|
1873 | 056401ea | j_mayer | do_inval = 1;
|
1874 | 056401ea | j_mayer | #endif
|
1875 | 056401ea | j_mayer | } |
1876 | 056401ea | j_mayer | #if defined(FLUSH_ALL_TLBS)
|
1877 | 056401ea | j_mayer | if (do_inval)
|
1878 | 056401ea | j_mayer | tlb_flush(env, 1);
|
1879 | 056401ea | j_mayer | #endif
|
1880 | 056401ea | j_mayer | } |
1881 | 056401ea | j_mayer | } |
1882 | 056401ea | j_mayer | |
1883 | 45d827d2 | aurel32 | void ppc_store_ibatl_601 (CPUPPCState *env, int nr, target_ulong value) |
1884 | 056401ea | j_mayer | { |
1885 | 056401ea | j_mayer | target_ulong mask; |
1886 | 056401ea | j_mayer | int do_inval;
|
1887 | 056401ea | j_mayer | |
1888 | 056401ea | j_mayer | dump_store_bat(env, 'I', 1, nr, value); |
1889 | 056401ea | j_mayer | if (env->IBAT[1][nr] != value) { |
1890 | 056401ea | j_mayer | do_inval = 0;
|
1891 | 056401ea | j_mayer | if (env->IBAT[1][nr] & 0x40) { |
1892 | 056401ea | j_mayer | #if !defined(FLUSH_ALL_TLBS)
|
1893 | 056401ea | j_mayer | mask = (env->IBAT[1][nr] << 17) & 0x0FFE0000UL; |
1894 | 056401ea | j_mayer | do_invalidate_BAT(env, env->IBAT[0][nr], mask);
|
1895 | 056401ea | j_mayer | #else
|
1896 | 056401ea | j_mayer | do_inval = 1;
|
1897 | 056401ea | j_mayer | #endif
|
1898 | 056401ea | j_mayer | } |
1899 | 056401ea | j_mayer | if (value & 0x40) { |
1900 | 056401ea | j_mayer | #if !defined(FLUSH_ALL_TLBS)
|
1901 | 056401ea | j_mayer | mask = (value << 17) & 0x0FFE0000UL; |
1902 | 056401ea | j_mayer | do_invalidate_BAT(env, env->IBAT[0][nr], mask);
|
1903 | 056401ea | j_mayer | #else
|
1904 | 056401ea | j_mayer | do_inval = 1;
|
1905 | 056401ea | j_mayer | #endif
|
1906 | 056401ea | j_mayer | } |
1907 | 056401ea | j_mayer | env->IBAT[1][nr] = value;
|
1908 | 056401ea | j_mayer | env->DBAT[1][nr] = value;
|
1909 | 056401ea | j_mayer | #if defined(FLUSH_ALL_TLBS)
|
1910 | 056401ea | j_mayer | if (do_inval)
|
1911 | 056401ea | j_mayer | tlb_flush(env, 1);
|
1912 | 056401ea | j_mayer | #endif
|
1913 | 056401ea | j_mayer | } |
1914 | 056401ea | j_mayer | } |
1915 | 056401ea | j_mayer | |
1916 | 0a032cbe | j_mayer | /*****************************************************************************/
|
1917 | 0a032cbe | j_mayer | /* TLB management */
|
1918 | 0a032cbe | j_mayer | void ppc_tlb_invalidate_all (CPUPPCState *env)
|
1919 | 0a032cbe | j_mayer | { |
1920 | daf4f96e | j_mayer | switch (env->mmu_model) {
|
1921 | daf4f96e | j_mayer | case POWERPC_MMU_SOFT_6xx:
|
1922 | 7dbe11ac | j_mayer | case POWERPC_MMU_SOFT_74xx:
|
1923 | 0a032cbe | j_mayer | ppc6xx_tlb_invalidate_all(env); |
1924 | daf4f96e | j_mayer | break;
|
1925 | daf4f96e | j_mayer | case POWERPC_MMU_SOFT_4xx:
|
1926 | daf4f96e | j_mayer | case POWERPC_MMU_SOFT_4xx_Z:
|
1927 | 0a032cbe | j_mayer | ppc4xx_tlb_invalidate_all(env); |
1928 | daf4f96e | j_mayer | break;
|
1929 | b4095fed | j_mayer | case POWERPC_MMU_REAL:
|
1930 | 7dbe11ac | j_mayer | cpu_abort(env, "No TLB for PowerPC 4xx in real mode\n");
|
1931 | 7dbe11ac | j_mayer | break;
|
1932 | b4095fed | j_mayer | case POWERPC_MMU_MPC8xx:
|
1933 | b4095fed | j_mayer | /* XXX: TODO */
|
1934 | b4095fed | j_mayer | cpu_abort(env, "MPC8xx MMU model is not implemented\n");
|
1935 | b4095fed | j_mayer | break;
|
1936 | 7dbe11ac | j_mayer | case POWERPC_MMU_BOOKE:
|
1937 | 7dbe11ac | j_mayer | /* XXX: TODO */
|
1938 | b4095fed | j_mayer | cpu_abort(env, "BookE MMU model is not implemented\n");
|
1939 | 7dbe11ac | j_mayer | break;
|
1940 | 7dbe11ac | j_mayer | case POWERPC_MMU_BOOKE_FSL:
|
1941 | 7dbe11ac | j_mayer | /* XXX: TODO */
|
1942 | b4095fed | j_mayer | cpu_abort(env, "BookE MMU model is not implemented\n");
|
1943 | 7dbe11ac | j_mayer | break;
|
1944 | 7dbe11ac | j_mayer | case POWERPC_MMU_32B:
|
1945 | faadf50e | j_mayer | case POWERPC_MMU_601:
|
1946 | 00af685f | j_mayer | #if defined(TARGET_PPC64)
|
1947 | add78955 | j_mayer | case POWERPC_MMU_620:
|
1948 | 7dbe11ac | j_mayer | case POWERPC_MMU_64B:
|
1949 | 00af685f | j_mayer | #endif /* defined(TARGET_PPC64) */ |
1950 | 0a032cbe | j_mayer | tlb_flush(env, 1);
|
1951 | daf4f96e | j_mayer | break;
|
1952 | 00af685f | j_mayer | default:
|
1953 | 00af685f | j_mayer | /* XXX: TODO */
|
1954 | 12de9a39 | j_mayer | cpu_abort(env, "Unknown MMU model\n");
|
1955 | 00af685f | j_mayer | break;
|
1956 | 0a032cbe | j_mayer | } |
1957 | 0a032cbe | j_mayer | } |
1958 | 0a032cbe | j_mayer | |
1959 | daf4f96e | j_mayer | void ppc_tlb_invalidate_one (CPUPPCState *env, target_ulong addr)
|
1960 | daf4f96e | j_mayer | { |
1961 | daf4f96e | j_mayer | #if !defined(FLUSH_ALL_TLBS)
|
1962 | daf4f96e | j_mayer | addr &= TARGET_PAGE_MASK; |
1963 | daf4f96e | j_mayer | switch (env->mmu_model) {
|
1964 | daf4f96e | j_mayer | case POWERPC_MMU_SOFT_6xx:
|
1965 | 7dbe11ac | j_mayer | case POWERPC_MMU_SOFT_74xx:
|
1966 | daf4f96e | j_mayer | ppc6xx_tlb_invalidate_virt(env, addr, 0);
|
1967 | daf4f96e | j_mayer | if (env->id_tlbs == 1) |
1968 | daf4f96e | j_mayer | ppc6xx_tlb_invalidate_virt(env, addr, 1);
|
1969 | daf4f96e | j_mayer | break;
|
1970 | daf4f96e | j_mayer | case POWERPC_MMU_SOFT_4xx:
|
1971 | daf4f96e | j_mayer | case POWERPC_MMU_SOFT_4xx_Z:
|
1972 | daf4f96e | j_mayer | ppc4xx_tlb_invalidate_virt(env, addr, env->spr[SPR_40x_PID]); |
1973 | daf4f96e | j_mayer | break;
|
1974 | b4095fed | j_mayer | case POWERPC_MMU_REAL:
|
1975 | 7dbe11ac | j_mayer | cpu_abort(env, "No TLB for PowerPC 4xx in real mode\n");
|
1976 | 7dbe11ac | j_mayer | break;
|
1977 | b4095fed | j_mayer | case POWERPC_MMU_MPC8xx:
|
1978 | b4095fed | j_mayer | /* XXX: TODO */
|
1979 | b4095fed | j_mayer | cpu_abort(env, "MPC8xx MMU model is not implemented\n");
|
1980 | b4095fed | j_mayer | break;
|
1981 | 7dbe11ac | j_mayer | case POWERPC_MMU_BOOKE:
|
1982 | 7dbe11ac | j_mayer | /* XXX: TODO */
|
1983 | b4095fed | j_mayer | cpu_abort(env, "BookE MMU model is not implemented\n");
|
1984 | 7dbe11ac | j_mayer | break;
|
1985 | 7dbe11ac | j_mayer | case POWERPC_MMU_BOOKE_FSL:
|
1986 | 7dbe11ac | j_mayer | /* XXX: TODO */
|
1987 | b4095fed | j_mayer | cpu_abort(env, "BookE FSL MMU model is not implemented\n");
|
1988 | 7dbe11ac | j_mayer | break;
|
1989 | 7dbe11ac | j_mayer | case POWERPC_MMU_32B:
|
1990 | faadf50e | j_mayer | case POWERPC_MMU_601:
|
1991 | daf4f96e | j_mayer | /* tlbie invalidate TLBs for all segments */
|
1992 | 6f2d8978 | j_mayer | addr &= ~((target_ulong)-1ULL << 28); |
1993 | daf4f96e | j_mayer | /* XXX: this case should be optimized,
|
1994 | daf4f96e | j_mayer | * giving a mask to tlb_flush_page
|
1995 | daf4f96e | j_mayer | */
|
1996 | daf4f96e | j_mayer | tlb_flush_page(env, addr | (0x0 << 28)); |
1997 | daf4f96e | j_mayer | tlb_flush_page(env, addr | (0x1 << 28)); |
1998 | daf4f96e | j_mayer | tlb_flush_page(env, addr | (0x2 << 28)); |
1999 | daf4f96e | j_mayer | tlb_flush_page(env, addr | (0x3 << 28)); |
2000 | daf4f96e | j_mayer | tlb_flush_page(env, addr | (0x4 << 28)); |
2001 | daf4f96e | j_mayer | tlb_flush_page(env, addr | (0x5 << 28)); |
2002 | daf4f96e | j_mayer | tlb_flush_page(env, addr | (0x6 << 28)); |
2003 | daf4f96e | j_mayer | tlb_flush_page(env, addr | (0x7 << 28)); |
2004 | daf4f96e | j_mayer | tlb_flush_page(env, addr | (0x8 << 28)); |
2005 | daf4f96e | j_mayer | tlb_flush_page(env, addr | (0x9 << 28)); |
2006 | daf4f96e | j_mayer | tlb_flush_page(env, addr | (0xA << 28)); |
2007 | daf4f96e | j_mayer | tlb_flush_page(env, addr | (0xB << 28)); |
2008 | daf4f96e | j_mayer | tlb_flush_page(env, addr | (0xC << 28)); |
2009 | daf4f96e | j_mayer | tlb_flush_page(env, addr | (0xD << 28)); |
2010 | daf4f96e | j_mayer | tlb_flush_page(env, addr | (0xE << 28)); |
2011 | daf4f96e | j_mayer | tlb_flush_page(env, addr | (0xF << 28)); |
2012 | 7dbe11ac | j_mayer | break;
|
2013 | 00af685f | j_mayer | #if defined(TARGET_PPC64)
|
2014 | add78955 | j_mayer | case POWERPC_MMU_620:
|
2015 | 7dbe11ac | j_mayer | case POWERPC_MMU_64B:
|
2016 | 7dbe11ac | j_mayer | /* tlbie invalidate TLBs for all segments */
|
2017 | 7dbe11ac | j_mayer | /* XXX: given the fact that there are too many segments to invalidate,
|
2018 | 00af685f | j_mayer | * and we still don't have a tlb_flush_mask(env, n, mask) in Qemu,
|
2019 | 7dbe11ac | j_mayer | * we just invalidate all TLBs
|
2020 | 7dbe11ac | j_mayer | */
|
2021 | 7dbe11ac | j_mayer | tlb_flush(env, 1);
|
2022 | 7dbe11ac | j_mayer | break;
|
2023 | 00af685f | j_mayer | #endif /* defined(TARGET_PPC64) */ |
2024 | 00af685f | j_mayer | default:
|
2025 | 00af685f | j_mayer | /* XXX: TODO */
|
2026 | 12de9a39 | j_mayer | cpu_abort(env, "Unknown MMU model\n");
|
2027 | 00af685f | j_mayer | break;
|
2028 | daf4f96e | j_mayer | } |
2029 | daf4f96e | j_mayer | #else
|
2030 | daf4f96e | j_mayer | ppc_tlb_invalidate_all(env); |
2031 | daf4f96e | j_mayer | #endif
|
2032 | daf4f96e | j_mayer | } |
2033 | daf4f96e | j_mayer | |
2034 | 3fc6c082 | bellard | /*****************************************************************************/
|
2035 | 3fc6c082 | bellard | /* Special registers manipulation */
|
2036 | d9bce9d9 | j_mayer | #if defined(TARGET_PPC64)
|
2037 | d9bce9d9 | j_mayer | void ppc_store_asr (CPUPPCState *env, target_ulong value)
|
2038 | d9bce9d9 | j_mayer | { |
2039 | d9bce9d9 | j_mayer | if (env->asr != value) {
|
2040 | d9bce9d9 | j_mayer | env->asr = value; |
2041 | d9bce9d9 | j_mayer | tlb_flush(env, 1);
|
2042 | d9bce9d9 | j_mayer | } |
2043 | d9bce9d9 | j_mayer | } |
2044 | d9bce9d9 | j_mayer | #endif
|
2045 | d9bce9d9 | j_mayer | |
2046 | 45d827d2 | aurel32 | void ppc_store_sdr1 (CPUPPCState *env, target_ulong value)
|
2047 | 3fc6c082 | bellard | { |
2048 | 3fc6c082 | bellard | #if defined (DEBUG_MMU)
|
2049 | 3fc6c082 | bellard | if (loglevel != 0) { |
2050 | 6b542af7 | j_mayer | fprintf(logfile, "%s: " ADDRX "\n", __func__, value); |
2051 | 3fc6c082 | bellard | } |
2052 | 3fc6c082 | bellard | #endif
|
2053 | 3fc6c082 | bellard | if (env->sdr1 != value) {
|
2054 | 12de9a39 | j_mayer | /* XXX: for PowerPC 64, should check that the HTABSIZE value
|
2055 | 12de9a39 | j_mayer | * is <= 28
|
2056 | 12de9a39 | j_mayer | */
|
2057 | 3fc6c082 | bellard | env->sdr1 = value; |
2058 | 76a66253 | j_mayer | tlb_flush(env, 1);
|
2059 | 3fc6c082 | bellard | } |
2060 | 3fc6c082 | bellard | } |
2061 | 3fc6c082 | bellard | |
2062 | 45d827d2 | aurel32 | void ppc_store_sr (CPUPPCState *env, int srnum, target_ulong value) |
2063 | 3fc6c082 | bellard | { |
2064 | 3fc6c082 | bellard | #if defined (DEBUG_MMU)
|
2065 | 3fc6c082 | bellard | if (loglevel != 0) { |
2066 | 6b542af7 | j_mayer | fprintf(logfile, "%s: reg=%d " ADDRX " " ADDRX "\n", |
2067 | 1b9eb036 | j_mayer | __func__, srnum, value, env->sr[srnum]); |
2068 | 3fc6c082 | bellard | } |
2069 | 3fc6c082 | bellard | #endif
|
2070 | 3fc6c082 | bellard | if (env->sr[srnum] != value) {
|
2071 | 3fc6c082 | bellard | env->sr[srnum] = value; |
2072 | 3fc6c082 | bellard | #if !defined(FLUSH_ALL_TLBS) && 0 |
2073 | 3fc6c082 | bellard | { |
2074 | 3fc6c082 | bellard | target_ulong page, end; |
2075 | 3fc6c082 | bellard | /* Invalidate 256 MB of virtual memory */
|
2076 | 3fc6c082 | bellard | page = (16 << 20) * srnum; |
2077 | 3fc6c082 | bellard | end = page + (16 << 20); |
2078 | 3fc6c082 | bellard | for (; page != end; page += TARGET_PAGE_SIZE)
|
2079 | 3fc6c082 | bellard | tlb_flush_page(env, page); |
2080 | 3fc6c082 | bellard | } |
2081 | 3fc6c082 | bellard | #else
|
2082 | 76a66253 | j_mayer | tlb_flush(env, 1);
|
2083 | 3fc6c082 | bellard | #endif
|
2084 | 3fc6c082 | bellard | } |
2085 | 3fc6c082 | bellard | } |
2086 | 76a66253 | j_mayer | #endif /* !defined (CONFIG_USER_ONLY) */ |
2087 | 3fc6c082 | bellard | |
2088 | 76a66253 | j_mayer | /* GDBstub can read and write MSR... */
|
2089 | 0411a972 | j_mayer | void ppc_store_msr (CPUPPCState *env, target_ulong value)
|
2090 | 3fc6c082 | bellard | { |
2091 | a4f30719 | j_mayer | hreg_store_msr(env, value, 0);
|
2092 | 3fc6c082 | bellard | } |
2093 | 3fc6c082 | bellard | |
2094 | 3fc6c082 | bellard | /*****************************************************************************/
|
2095 | 3fc6c082 | bellard | /* Exception processing */
|
2096 | 18fba28c | bellard | #if defined (CONFIG_USER_ONLY)
|
2097 | 9a64fbe4 | bellard | void do_interrupt (CPUState *env)
|
2098 | 79aceca5 | bellard | { |
2099 | e1833e1f | j_mayer | env->exception_index = POWERPC_EXCP_NONE; |
2100 | e1833e1f | j_mayer | env->error_code = 0;
|
2101 | 18fba28c | bellard | } |
2102 | 47103572 | j_mayer | |
2103 | e9df014c | j_mayer | void ppc_hw_interrupt (CPUState *env)
|
2104 | 47103572 | j_mayer | { |
2105 | e1833e1f | j_mayer | env->exception_index = POWERPC_EXCP_NONE; |
2106 | e1833e1f | j_mayer | env->error_code = 0;
|
2107 | 47103572 | j_mayer | } |
2108 | 76a66253 | j_mayer | #else /* defined (CONFIG_USER_ONLY) */ |
2109 | a11b8151 | j_mayer | static always_inline void dump_syscall (CPUState *env) |
2110 | d094807b | bellard | { |
2111 | 6b542af7 | j_mayer | fprintf(logfile, "syscall r0=" REGX " r3=" REGX " r4=" REGX |
2112 | 6b542af7 | j_mayer | " r5=" REGX " r6=" REGX " nip=" ADDRX "\n", |
2113 | 6b542af7 | j_mayer | ppc_dump_gpr(env, 0), ppc_dump_gpr(env, 3), ppc_dump_gpr(env, 4), |
2114 | 6b542af7 | j_mayer | ppc_dump_gpr(env, 5), ppc_dump_gpr(env, 6), env->nip); |
2115 | d094807b | bellard | } |
2116 | d094807b | bellard | |
2117 | e1833e1f | j_mayer | /* Note that this function should be greatly optimized
|
2118 | e1833e1f | j_mayer | * when called with a constant excp, from ppc_hw_interrupt
|
2119 | e1833e1f | j_mayer | */
|
2120 | e1833e1f | j_mayer | static always_inline void powerpc_excp (CPUState *env, |
2121 | e1833e1f | j_mayer | int excp_model, int excp) |
2122 | 18fba28c | bellard | { |
2123 | 0411a972 | j_mayer | target_ulong msr, new_msr, vector; |
2124 | e1833e1f | j_mayer | int srr0, srr1, asrr0, asrr1;
|
2125 | a4f30719 | j_mayer | int lpes0, lpes1, lev;
|
2126 | 79aceca5 | bellard | |
2127 | b172c56a | j_mayer | if (0) { |
2128 | b172c56a | j_mayer | /* XXX: find a suitable condition to enable the hypervisor mode */
|
2129 | b172c56a | j_mayer | lpes0 = (env->spr[SPR_LPCR] >> 1) & 1; |
2130 | b172c56a | j_mayer | lpes1 = (env->spr[SPR_LPCR] >> 2) & 1; |
2131 | b172c56a | j_mayer | } else {
|
2132 | b172c56a | j_mayer | /* Those values ensure we won't enter the hypervisor mode */
|
2133 | b172c56a | j_mayer | lpes0 = 0;
|
2134 | b172c56a | j_mayer | lpes1 = 1;
|
2135 | b172c56a | j_mayer | } |
2136 | b172c56a | j_mayer | |
2137 | b769d8fe | bellard | if (loglevel & CPU_LOG_INT) {
|
2138 | 6b542af7 | j_mayer | fprintf(logfile, "Raise exception at " ADDRX " => %08x (%02x)\n", |
2139 | 1b9eb036 | j_mayer | env->nip, excp, env->error_code); |
2140 | b769d8fe | bellard | } |
2141 | 0411a972 | j_mayer | msr = env->msr; |
2142 | 0411a972 | j_mayer | new_msr = msr; |
2143 | e1833e1f | j_mayer | srr0 = SPR_SRR0; |
2144 | e1833e1f | j_mayer | srr1 = SPR_SRR1; |
2145 | e1833e1f | j_mayer | asrr0 = -1;
|
2146 | e1833e1f | j_mayer | asrr1 = -1;
|
2147 | e1833e1f | j_mayer | msr &= ~((target_ulong)0x783F0000);
|
2148 | 9a64fbe4 | bellard | switch (excp) {
|
2149 | e1833e1f | j_mayer | case POWERPC_EXCP_NONE:
|
2150 | e1833e1f | j_mayer | /* Should never happen */
|
2151 | e1833e1f | j_mayer | return;
|
2152 | e1833e1f | j_mayer | case POWERPC_EXCP_CRITICAL: /* Critical input */ |
2153 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_RI); /* XXX: check this */ |
2154 | e1833e1f | j_mayer | switch (excp_model) {
|
2155 | a750fc0b | j_mayer | case POWERPC_EXCP_40x:
|
2156 | e1833e1f | j_mayer | srr0 = SPR_40x_SRR2; |
2157 | e1833e1f | j_mayer | srr1 = SPR_40x_SRR3; |
2158 | c62db105 | j_mayer | break;
|
2159 | a750fc0b | j_mayer | case POWERPC_EXCP_BOOKE:
|
2160 | e1833e1f | j_mayer | srr0 = SPR_BOOKE_CSRR0; |
2161 | e1833e1f | j_mayer | srr1 = SPR_BOOKE_CSRR1; |
2162 | c62db105 | j_mayer | break;
|
2163 | e1833e1f | j_mayer | case POWERPC_EXCP_G2:
|
2164 | c62db105 | j_mayer | break;
|
2165 | e1833e1f | j_mayer | default:
|
2166 | e1833e1f | j_mayer | goto excp_invalid;
|
2167 | 2be0071f | bellard | } |
2168 | 9a64fbe4 | bellard | goto store_next;
|
2169 | e1833e1f | j_mayer | case POWERPC_EXCP_MCHECK: /* Machine check exception */ |
2170 | e1833e1f | j_mayer | if (msr_me == 0) { |
2171 | e63ecc6f | j_mayer | /* Machine check exception is not enabled.
|
2172 | e63ecc6f | j_mayer | * Enter checkstop state.
|
2173 | e63ecc6f | j_mayer | */
|
2174 | e63ecc6f | j_mayer | if (loglevel != 0) { |
2175 | e63ecc6f | j_mayer | fprintf(logfile, "Machine check while not allowed. "
|
2176 | e63ecc6f | j_mayer | "Entering checkstop state\n");
|
2177 | e63ecc6f | j_mayer | } else {
|
2178 | e63ecc6f | j_mayer | fprintf(stderr, "Machine check while not allowed. "
|
2179 | e63ecc6f | j_mayer | "Entering checkstop state\n");
|
2180 | e63ecc6f | j_mayer | } |
2181 | e63ecc6f | j_mayer | env->halted = 1;
|
2182 | e63ecc6f | j_mayer | env->interrupt_request |= CPU_INTERRUPT_EXITTB; |
2183 | e1833e1f | j_mayer | } |
2184 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_RI);
|
2185 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_ME);
|
2186 | b172c56a | j_mayer | if (0) { |
2187 | b172c56a | j_mayer | /* XXX: find a suitable condition to enable the hypervisor mode */
|
2188 | a4f30719 | j_mayer | new_msr |= (target_ulong)MSR_HVB; |
2189 | b172c56a | j_mayer | } |
2190 | e1833e1f | j_mayer | /* XXX: should also have something loaded in DAR / DSISR */
|
2191 | e1833e1f | j_mayer | switch (excp_model) {
|
2192 | a750fc0b | j_mayer | case POWERPC_EXCP_40x:
|
2193 | e1833e1f | j_mayer | srr0 = SPR_40x_SRR2; |
2194 | e1833e1f | j_mayer | srr1 = SPR_40x_SRR3; |
2195 | c62db105 | j_mayer | break;
|
2196 | a750fc0b | j_mayer | case POWERPC_EXCP_BOOKE:
|
2197 | e1833e1f | j_mayer | srr0 = SPR_BOOKE_MCSRR0; |
2198 | e1833e1f | j_mayer | srr1 = SPR_BOOKE_MCSRR1; |
2199 | e1833e1f | j_mayer | asrr0 = SPR_BOOKE_CSRR0; |
2200 | e1833e1f | j_mayer | asrr1 = SPR_BOOKE_CSRR1; |
2201 | c62db105 | j_mayer | break;
|
2202 | c62db105 | j_mayer | default:
|
2203 | c62db105 | j_mayer | break;
|
2204 | 2be0071f | bellard | } |
2205 | e1833e1f | j_mayer | goto store_next;
|
2206 | e1833e1f | j_mayer | case POWERPC_EXCP_DSI: /* Data storage exception */ |
2207 | a541f297 | bellard | #if defined (DEBUG_EXCEPTIONS)
|
2208 | 4a057712 | j_mayer | if (loglevel != 0) { |
2209 | 6b542af7 | j_mayer | fprintf(logfile, "DSI exception: DSISR=" ADDRX" DAR=" ADDRX "\n", |
2210 | 6b542af7 | j_mayer | env->spr[SPR_DSISR], env->spr[SPR_DAR]); |
2211 | 76a66253 | j_mayer | } |
2212 | a541f297 | bellard | #endif
|
2213 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_RI);
|
2214 | e1833e1f | j_mayer | if (lpes1 == 0) |
2215 | a4f30719 | j_mayer | new_msr |= (target_ulong)MSR_HVB; |
2216 | a541f297 | bellard | goto store_next;
|
2217 | e1833e1f | j_mayer | case POWERPC_EXCP_ISI: /* Instruction storage exception */ |
2218 | a541f297 | bellard | #if defined (DEBUG_EXCEPTIONS)
|
2219 | 76a66253 | j_mayer | if (loglevel != 0) { |
2220 | 6b542af7 | j_mayer | fprintf(logfile, "ISI exception: msr=" ADDRX ", nip=" ADDRX "\n", |
2221 | 6b542af7 | j_mayer | msr, env->nip); |
2222 | 76a66253 | j_mayer | } |
2223 | a541f297 | bellard | #endif
|
2224 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_RI);
|
2225 | e1833e1f | j_mayer | if (lpes1 == 0) |
2226 | a4f30719 | j_mayer | new_msr |= (target_ulong)MSR_HVB; |
2227 | e1833e1f | j_mayer | msr |= env->error_code; |
2228 | 9a64fbe4 | bellard | goto store_next;
|
2229 | e1833e1f | j_mayer | case POWERPC_EXCP_EXTERNAL: /* External input */ |
2230 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_RI);
|
2231 | e1833e1f | j_mayer | if (lpes0 == 1) |
2232 | a4f30719 | j_mayer | new_msr |= (target_ulong)MSR_HVB; |
2233 | 9a64fbe4 | bellard | goto store_next;
|
2234 | e1833e1f | j_mayer | case POWERPC_EXCP_ALIGN: /* Alignment exception */ |
2235 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_RI);
|
2236 | e1833e1f | j_mayer | if (lpes1 == 0) |
2237 | a4f30719 | j_mayer | new_msr |= (target_ulong)MSR_HVB; |
2238 | e1833e1f | j_mayer | /* XXX: this is false */
|
2239 | e1833e1f | j_mayer | /* Get rS/rD and rA from faulting opcode */
|
2240 | e1833e1f | j_mayer | env->spr[SPR_DSISR] |= (ldl_code((env->nip - 4)) & 0x03FF0000) >> 16; |
2241 | 9a64fbe4 | bellard | goto store_current;
|
2242 | e1833e1f | j_mayer | case POWERPC_EXCP_PROGRAM: /* Program exception */ |
2243 | 9a64fbe4 | bellard | switch (env->error_code & ~0xF) { |
2244 | e1833e1f | j_mayer | case POWERPC_EXCP_FP:
|
2245 | e1833e1f | j_mayer | if ((msr_fe0 == 0 && msr_fe1 == 0) || msr_fp == 0) { |
2246 | 9a64fbe4 | bellard | #if defined (DEBUG_EXCEPTIONS)
|
2247 | 4a057712 | j_mayer | if (loglevel != 0) { |
2248 | a496775f | j_mayer | fprintf(logfile, "Ignore floating point exception\n");
|
2249 | a496775f | j_mayer | } |
2250 | 9a64fbe4 | bellard | #endif
|
2251 | 7c58044c | j_mayer | env->exception_index = POWERPC_EXCP_NONE; |
2252 | 7c58044c | j_mayer | env->error_code = 0;
|
2253 | 9a64fbe4 | bellard | return;
|
2254 | 76a66253 | j_mayer | } |
2255 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_RI);
|
2256 | e1833e1f | j_mayer | if (lpes1 == 0) |
2257 | a4f30719 | j_mayer | new_msr |= (target_ulong)MSR_HVB; |
2258 | 9a64fbe4 | bellard | msr |= 0x00100000;
|
2259 | 5b52b991 | j_mayer | if (msr_fe0 == msr_fe1)
|
2260 | 5b52b991 | j_mayer | goto store_next;
|
2261 | 5b52b991 | j_mayer | msr |= 0x00010000;
|
2262 | 76a66253 | j_mayer | break;
|
2263 | e1833e1f | j_mayer | case POWERPC_EXCP_INVAL:
|
2264 | a496775f | j_mayer | #if defined (DEBUG_EXCEPTIONS)
|
2265 | 4a057712 | j_mayer | if (loglevel != 0) { |
2266 | 6b542af7 | j_mayer | fprintf(logfile, "Invalid instruction at " ADDRX "\n", |
2267 | a496775f | j_mayer | env->nip); |
2268 | a496775f | j_mayer | } |
2269 | a496775f | j_mayer | #endif
|
2270 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_RI);
|
2271 | e1833e1f | j_mayer | if (lpes1 == 0) |
2272 | a4f30719 | j_mayer | new_msr |= (target_ulong)MSR_HVB; |
2273 | 9a64fbe4 | bellard | msr |= 0x00080000;
|
2274 | 76a66253 | j_mayer | break;
|
2275 | e1833e1f | j_mayer | case POWERPC_EXCP_PRIV:
|
2276 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_RI);
|
2277 | e1833e1f | j_mayer | if (lpes1 == 0) |
2278 | a4f30719 | j_mayer | new_msr |= (target_ulong)MSR_HVB; |
2279 | 9a64fbe4 | bellard | msr |= 0x00040000;
|
2280 | 76a66253 | j_mayer | break;
|
2281 | e1833e1f | j_mayer | case POWERPC_EXCP_TRAP:
|
2282 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_RI);
|
2283 | e1833e1f | j_mayer | if (lpes1 == 0) |
2284 | a4f30719 | j_mayer | new_msr |= (target_ulong)MSR_HVB; |
2285 | 9a64fbe4 | bellard | msr |= 0x00020000;
|
2286 | 9a64fbe4 | bellard | break;
|
2287 | 9a64fbe4 | bellard | default:
|
2288 | 9a64fbe4 | bellard | /* Should never occur */
|
2289 | e1833e1f | j_mayer | cpu_abort(env, "Invalid program exception %d. Aborting\n",
|
2290 | e1833e1f | j_mayer | env->error_code); |
2291 | 76a66253 | j_mayer | break;
|
2292 | 76a66253 | j_mayer | } |
2293 | 5b52b991 | j_mayer | goto store_current;
|
2294 | e1833e1f | j_mayer | case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */ |
2295 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_RI);
|
2296 | e1833e1f | j_mayer | if (lpes1 == 0) |
2297 | a4f30719 | j_mayer | new_msr |= (target_ulong)MSR_HVB; |
2298 | e1833e1f | j_mayer | goto store_current;
|
2299 | e1833e1f | j_mayer | case POWERPC_EXCP_SYSCALL: /* System call exception */ |
2300 | d094807b | bellard | /* NOTE: this is a temporary hack to support graphics OSI
|
2301 | d094807b | bellard | calls from the MOL driver */
|
2302 | e1833e1f | j_mayer | /* XXX: To be removed */
|
2303 | d094807b | bellard | if (env->gpr[3] == 0x113724fa && env->gpr[4] == 0x77810f9b && |
2304 | d094807b | bellard | env->osi_call) { |
2305 | 7c58044c | j_mayer | if (env->osi_call(env) != 0) { |
2306 | 7c58044c | j_mayer | env->exception_index = POWERPC_EXCP_NONE; |
2307 | 7c58044c | j_mayer | env->error_code = 0;
|
2308 | d094807b | bellard | return;
|
2309 | 7c58044c | j_mayer | } |
2310 | d094807b | bellard | } |
2311 | b769d8fe | bellard | if (loglevel & CPU_LOG_INT) {
|
2312 | d094807b | bellard | dump_syscall(env); |
2313 | b769d8fe | bellard | } |
2314 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_RI);
|
2315 | f9fdea6b | j_mayer | lev = env->error_code; |
2316 | e1833e1f | j_mayer | if (lev == 1 || (lpes0 == 0 && lpes1 == 0)) |
2317 | a4f30719 | j_mayer | new_msr |= (target_ulong)MSR_HVB; |
2318 | e1833e1f | j_mayer | goto store_next;
|
2319 | e1833e1f | j_mayer | case POWERPC_EXCP_APU: /* Auxiliary processor unavailable */ |
2320 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_RI);
|
2321 | e1833e1f | j_mayer | goto store_current;
|
2322 | e1833e1f | j_mayer | case POWERPC_EXCP_DECR: /* Decrementer exception */ |
2323 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_RI);
|
2324 | e1833e1f | j_mayer | if (lpes1 == 0) |
2325 | a4f30719 | j_mayer | new_msr |= (target_ulong)MSR_HVB; |
2326 | e1833e1f | j_mayer | goto store_next;
|
2327 | e1833e1f | j_mayer | case POWERPC_EXCP_FIT: /* Fixed-interval timer interrupt */ |
2328 | e1833e1f | j_mayer | /* FIT on 4xx */
|
2329 | e1833e1f | j_mayer | #if defined (DEBUG_EXCEPTIONS)
|
2330 | e1833e1f | j_mayer | if (loglevel != 0) |
2331 | e1833e1f | j_mayer | fprintf(logfile, "FIT exception\n");
|
2332 | e1833e1f | j_mayer | #endif
|
2333 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_RI); /* XXX: check this */ |
2334 | 9a64fbe4 | bellard | goto store_next;
|
2335 | e1833e1f | j_mayer | case POWERPC_EXCP_WDT: /* Watchdog timer interrupt */ |
2336 | e1833e1f | j_mayer | #if defined (DEBUG_EXCEPTIONS)
|
2337 | e1833e1f | j_mayer | if (loglevel != 0) |
2338 | e1833e1f | j_mayer | fprintf(logfile, "WDT exception\n");
|
2339 | e1833e1f | j_mayer | #endif
|
2340 | e1833e1f | j_mayer | switch (excp_model) {
|
2341 | e1833e1f | j_mayer | case POWERPC_EXCP_BOOKE:
|
2342 | e1833e1f | j_mayer | srr0 = SPR_BOOKE_CSRR0; |
2343 | e1833e1f | j_mayer | srr1 = SPR_BOOKE_CSRR1; |
2344 | e1833e1f | j_mayer | break;
|
2345 | e1833e1f | j_mayer | default:
|
2346 | e1833e1f | j_mayer | break;
|
2347 | e1833e1f | j_mayer | } |
2348 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_RI); /* XXX: check this */ |
2349 | 2be0071f | bellard | goto store_next;
|
2350 | e1833e1f | j_mayer | case POWERPC_EXCP_DTLB: /* Data TLB error */ |
2351 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_RI); /* XXX: check this */ |
2352 | e1833e1f | j_mayer | goto store_next;
|
2353 | e1833e1f | j_mayer | case POWERPC_EXCP_ITLB: /* Instruction TLB error */ |
2354 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_RI); /* XXX: check this */ |
2355 | e1833e1f | j_mayer | goto store_next;
|
2356 | e1833e1f | j_mayer | case POWERPC_EXCP_DEBUG: /* Debug interrupt */ |
2357 | e1833e1f | j_mayer | switch (excp_model) {
|
2358 | e1833e1f | j_mayer | case POWERPC_EXCP_BOOKE:
|
2359 | e1833e1f | j_mayer | srr0 = SPR_BOOKE_DSRR0; |
2360 | e1833e1f | j_mayer | srr1 = SPR_BOOKE_DSRR1; |
2361 | e1833e1f | j_mayer | asrr0 = SPR_BOOKE_CSRR0; |
2362 | e1833e1f | j_mayer | asrr1 = SPR_BOOKE_CSRR1; |
2363 | e1833e1f | j_mayer | break;
|
2364 | e1833e1f | j_mayer | default:
|
2365 | e1833e1f | j_mayer | break;
|
2366 | e1833e1f | j_mayer | } |
2367 | 2be0071f | bellard | /* XXX: TODO */
|
2368 | e1833e1f | j_mayer | cpu_abort(env, "Debug exception is not implemented yet !\n");
|
2369 | 2be0071f | bellard | goto store_next;
|
2370 | e1833e1f | j_mayer | case POWERPC_EXCP_SPEU: /* SPE/embedded floating-point unavailable */ |
2371 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_RI); /* XXX: check this */ |
2372 | e1833e1f | j_mayer | goto store_current;
|
2373 | e1833e1f | j_mayer | case POWERPC_EXCP_EFPDI: /* Embedded floating-point data interrupt */ |
2374 | 2be0071f | bellard | /* XXX: TODO */
|
2375 | e1833e1f | j_mayer | cpu_abort(env, "Embedded floating point data exception "
|
2376 | 2be0071f | bellard | "is not implemented yet !\n");
|
2377 | 2be0071f | bellard | goto store_next;
|
2378 | e1833e1f | j_mayer | case POWERPC_EXCP_EFPRI: /* Embedded floating-point round interrupt */ |
2379 | 2be0071f | bellard | /* XXX: TODO */
|
2380 | e1833e1f | j_mayer | cpu_abort(env, "Embedded floating point round exception "
|
2381 | e1833e1f | j_mayer | "is not implemented yet !\n");
|
2382 | 9a64fbe4 | bellard | goto store_next;
|
2383 | e1833e1f | j_mayer | case POWERPC_EXCP_EPERFM: /* Embedded performance monitor interrupt */ |
2384 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_RI);
|
2385 | 2be0071f | bellard | /* XXX: TODO */
|
2386 | 2be0071f | bellard | cpu_abort(env, |
2387 | e1833e1f | j_mayer | "Performance counter exception is not implemented yet !\n");
|
2388 | 9a64fbe4 | bellard | goto store_next;
|
2389 | e1833e1f | j_mayer | case POWERPC_EXCP_DOORI: /* Embedded doorbell interrupt */ |
2390 | 76a66253 | j_mayer | /* XXX: TODO */
|
2391 | e1833e1f | j_mayer | cpu_abort(env, |
2392 | e1833e1f | j_mayer | "Embedded doorbell interrupt is not implemented yet !\n");
|
2393 | 2be0071f | bellard | goto store_next;
|
2394 | e1833e1f | j_mayer | case POWERPC_EXCP_DOORCI: /* Embedded doorbell critical interrupt */ |
2395 | e1833e1f | j_mayer | switch (excp_model) {
|
2396 | e1833e1f | j_mayer | case POWERPC_EXCP_BOOKE:
|
2397 | e1833e1f | j_mayer | srr0 = SPR_BOOKE_CSRR0; |
2398 | e1833e1f | j_mayer | srr1 = SPR_BOOKE_CSRR1; |
2399 | a750fc0b | j_mayer | break;
|
2400 | 2be0071f | bellard | default:
|
2401 | 2be0071f | bellard | break;
|
2402 | 2be0071f | bellard | } |
2403 | e1833e1f | j_mayer | /* XXX: TODO */
|
2404 | e1833e1f | j_mayer | cpu_abort(env, "Embedded doorbell critical interrupt "
|
2405 | e1833e1f | j_mayer | "is not implemented yet !\n");
|
2406 | e1833e1f | j_mayer | goto store_next;
|
2407 | e1833e1f | j_mayer | case POWERPC_EXCP_RESET: /* System reset exception */ |
2408 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_RI);
|
2409 | a4f30719 | j_mayer | if (0) { |
2410 | a4f30719 | j_mayer | /* XXX: find a suitable condition to enable the hypervisor mode */
|
2411 | a4f30719 | j_mayer | new_msr |= (target_ulong)MSR_HVB; |
2412 | a4f30719 | j_mayer | } |
2413 | e1833e1f | j_mayer | goto store_next;
|
2414 | e1833e1f | j_mayer | case POWERPC_EXCP_DSEG: /* Data segment exception */ |
2415 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_RI);
|
2416 | e1833e1f | j_mayer | if (lpes1 == 0) |
2417 | a4f30719 | j_mayer | new_msr |= (target_ulong)MSR_HVB; |
2418 | e1833e1f | j_mayer | goto store_next;
|
2419 | e1833e1f | j_mayer | case POWERPC_EXCP_ISEG: /* Instruction segment exception */ |
2420 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_RI);
|
2421 | e1833e1f | j_mayer | if (lpes1 == 0) |
2422 | a4f30719 | j_mayer | new_msr |= (target_ulong)MSR_HVB; |
2423 | e1833e1f | j_mayer | goto store_next;
|
2424 | e1833e1f | j_mayer | case POWERPC_EXCP_HDECR: /* Hypervisor decrementer exception */ |
2425 | e1833e1f | j_mayer | srr0 = SPR_HSRR0; |
2426 | f9fdea6b | j_mayer | srr1 = SPR_HSRR1; |
2427 | a4f30719 | j_mayer | new_msr |= (target_ulong)MSR_HVB; |
2428 | b172c56a | j_mayer | goto store_next;
|
2429 | e1833e1f | j_mayer | case POWERPC_EXCP_TRACE: /* Trace exception */ |
2430 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_RI);
|
2431 | e1833e1f | j_mayer | if (lpes1 == 0) |
2432 | a4f30719 | j_mayer | new_msr |= (target_ulong)MSR_HVB; |
2433 | e1833e1f | j_mayer | goto store_next;
|
2434 | e1833e1f | j_mayer | case POWERPC_EXCP_HDSI: /* Hypervisor data storage exception */ |
2435 | e1833e1f | j_mayer | srr0 = SPR_HSRR0; |
2436 | f9fdea6b | j_mayer | srr1 = SPR_HSRR1; |
2437 | a4f30719 | j_mayer | new_msr |= (target_ulong)MSR_HVB; |
2438 | e1833e1f | j_mayer | goto store_next;
|
2439 | e1833e1f | j_mayer | case POWERPC_EXCP_HISI: /* Hypervisor instruction storage exception */ |
2440 | e1833e1f | j_mayer | srr0 = SPR_HSRR0; |
2441 | f9fdea6b | j_mayer | srr1 = SPR_HSRR1; |
2442 | a4f30719 | j_mayer | new_msr |= (target_ulong)MSR_HVB; |
2443 | e1833e1f | j_mayer | goto store_next;
|
2444 | e1833e1f | j_mayer | case POWERPC_EXCP_HDSEG: /* Hypervisor data segment exception */ |
2445 | e1833e1f | j_mayer | srr0 = SPR_HSRR0; |
2446 | f9fdea6b | j_mayer | srr1 = SPR_HSRR1; |
2447 | a4f30719 | j_mayer | new_msr |= (target_ulong)MSR_HVB; |
2448 | e1833e1f | j_mayer | goto store_next;
|
2449 | e1833e1f | j_mayer | case POWERPC_EXCP_HISEG: /* Hypervisor instruction segment exception */ |
2450 | e1833e1f | j_mayer | srr0 = SPR_HSRR0; |
2451 | f9fdea6b | j_mayer | srr1 = SPR_HSRR1; |
2452 | a4f30719 | j_mayer | new_msr |= (target_ulong)MSR_HVB; |
2453 | e1833e1f | j_mayer | goto store_next;
|
2454 | e1833e1f | j_mayer | case POWERPC_EXCP_VPU: /* Vector unavailable exception */ |
2455 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_RI);
|
2456 | e1833e1f | j_mayer | if (lpes1 == 0) |
2457 | a4f30719 | j_mayer | new_msr |= (target_ulong)MSR_HVB; |
2458 | e1833e1f | j_mayer | goto store_current;
|
2459 | e1833e1f | j_mayer | case POWERPC_EXCP_PIT: /* Programmable interval timer interrupt */ |
2460 | a496775f | j_mayer | #if defined (DEBUG_EXCEPTIONS)
|
2461 | e1833e1f | j_mayer | if (loglevel != 0) |
2462 | e1833e1f | j_mayer | fprintf(logfile, "PIT exception\n");
|
2463 | e1833e1f | j_mayer | #endif
|
2464 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_RI); /* XXX: check this */ |
2465 | e1833e1f | j_mayer | goto store_next;
|
2466 | e1833e1f | j_mayer | case POWERPC_EXCP_IO: /* IO error exception */ |
2467 | e1833e1f | j_mayer | /* XXX: TODO */
|
2468 | e1833e1f | j_mayer | cpu_abort(env, "601 IO error exception is not implemented yet !\n");
|
2469 | e1833e1f | j_mayer | goto store_next;
|
2470 | e1833e1f | j_mayer | case POWERPC_EXCP_RUNM: /* Run mode exception */ |
2471 | e1833e1f | j_mayer | /* XXX: TODO */
|
2472 | e1833e1f | j_mayer | cpu_abort(env, "601 run mode exception is not implemented yet !\n");
|
2473 | e1833e1f | j_mayer | goto store_next;
|
2474 | e1833e1f | j_mayer | case POWERPC_EXCP_EMUL: /* Emulation trap exception */ |
2475 | e1833e1f | j_mayer | /* XXX: TODO */
|
2476 | e1833e1f | j_mayer | cpu_abort(env, "602 emulation trap exception "
|
2477 | e1833e1f | j_mayer | "is not implemented yet !\n");
|
2478 | e1833e1f | j_mayer | goto store_next;
|
2479 | e1833e1f | j_mayer | case POWERPC_EXCP_IFTLB: /* Instruction fetch TLB error */ |
2480 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_RI); /* XXX: check this */ |
2481 | a4f30719 | j_mayer | if (lpes1 == 0) /* XXX: check this */ |
2482 | a4f30719 | j_mayer | new_msr |= (target_ulong)MSR_HVB; |
2483 | e1833e1f | j_mayer | switch (excp_model) {
|
2484 | a750fc0b | j_mayer | case POWERPC_EXCP_602:
|
2485 | a750fc0b | j_mayer | case POWERPC_EXCP_603:
|
2486 | a750fc0b | j_mayer | case POWERPC_EXCP_603E:
|
2487 | a750fc0b | j_mayer | case POWERPC_EXCP_G2:
|
2488 | e1833e1f | j_mayer | goto tlb_miss_tgpr;
|
2489 | a750fc0b | j_mayer | case POWERPC_EXCP_7x5:
|
2490 | 76a66253 | j_mayer | goto tlb_miss;
|
2491 | 7dbe11ac | j_mayer | case POWERPC_EXCP_74xx:
|
2492 | 7dbe11ac | j_mayer | goto tlb_miss_74xx;
|
2493 | 2be0071f | bellard | default:
|
2494 | e1833e1f | j_mayer | cpu_abort(env, "Invalid instruction TLB miss exception\n");
|
2495 | 2be0071f | bellard | break;
|
2496 | 2be0071f | bellard | } |
2497 | e1833e1f | j_mayer | break;
|
2498 | e1833e1f | j_mayer | case POWERPC_EXCP_DLTLB: /* Data load TLB miss */ |
2499 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_RI); /* XXX: check this */ |
2500 | a4f30719 | j_mayer | if (lpes1 == 0) /* XXX: check this */ |
2501 | a4f30719 | j_mayer | new_msr |= (target_ulong)MSR_HVB; |
2502 | e1833e1f | j_mayer | switch (excp_model) {
|
2503 | a750fc0b | j_mayer | case POWERPC_EXCP_602:
|
2504 | a750fc0b | j_mayer | case POWERPC_EXCP_603:
|
2505 | a750fc0b | j_mayer | case POWERPC_EXCP_603E:
|
2506 | a750fc0b | j_mayer | case POWERPC_EXCP_G2:
|
2507 | e1833e1f | j_mayer | goto tlb_miss_tgpr;
|
2508 | a750fc0b | j_mayer | case POWERPC_EXCP_7x5:
|
2509 | 76a66253 | j_mayer | goto tlb_miss;
|
2510 | 7dbe11ac | j_mayer | case POWERPC_EXCP_74xx:
|
2511 | 7dbe11ac | j_mayer | goto tlb_miss_74xx;
|
2512 | 2be0071f | bellard | default:
|
2513 | e1833e1f | j_mayer | cpu_abort(env, "Invalid data load TLB miss exception\n");
|
2514 | 2be0071f | bellard | break;
|
2515 | 2be0071f | bellard | } |
2516 | e1833e1f | j_mayer | break;
|
2517 | e1833e1f | j_mayer | case POWERPC_EXCP_DSTLB: /* Data store TLB miss */ |
2518 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_RI); /* XXX: check this */ |
2519 | a4f30719 | j_mayer | if (lpes1 == 0) /* XXX: check this */ |
2520 | a4f30719 | j_mayer | new_msr |= (target_ulong)MSR_HVB; |
2521 | e1833e1f | j_mayer | switch (excp_model) {
|
2522 | a750fc0b | j_mayer | case POWERPC_EXCP_602:
|
2523 | a750fc0b | j_mayer | case POWERPC_EXCP_603:
|
2524 | a750fc0b | j_mayer | case POWERPC_EXCP_603E:
|
2525 | a750fc0b | j_mayer | case POWERPC_EXCP_G2:
|
2526 | e1833e1f | j_mayer | tlb_miss_tgpr:
|
2527 | 76a66253 | j_mayer | /* Swap temporary saved registers with GPRs */
|
2528 | 0411a972 | j_mayer | if (!(new_msr & ((target_ulong)1 << MSR_TGPR))) { |
2529 | 0411a972 | j_mayer | new_msr |= (target_ulong)1 << MSR_TGPR;
|
2530 | 0411a972 | j_mayer | hreg_swap_gpr_tgpr(env); |
2531 | 0411a972 | j_mayer | } |
2532 | e1833e1f | j_mayer | goto tlb_miss;
|
2533 | e1833e1f | j_mayer | case POWERPC_EXCP_7x5:
|
2534 | e1833e1f | j_mayer | tlb_miss:
|
2535 | 2be0071f | bellard | #if defined (DEBUG_SOFTWARE_TLB)
|
2536 | 2be0071f | bellard | if (loglevel != 0) { |
2537 | 76a66253 | j_mayer | const unsigned char *es; |
2538 | 76a66253 | j_mayer | target_ulong *miss, *cmp; |
2539 | 76a66253 | j_mayer | int en;
|
2540 | 1e6784f9 | j_mayer | if (excp == POWERPC_EXCP_IFTLB) {
|
2541 | 76a66253 | j_mayer | es = "I";
|
2542 | 76a66253 | j_mayer | en = 'I';
|
2543 | 76a66253 | j_mayer | miss = &env->spr[SPR_IMISS]; |
2544 | 76a66253 | j_mayer | cmp = &env->spr[SPR_ICMP]; |
2545 | 76a66253 | j_mayer | } else {
|
2546 | 1e6784f9 | j_mayer | if (excp == POWERPC_EXCP_DLTLB)
|
2547 | 76a66253 | j_mayer | es = "DL";
|
2548 | 76a66253 | j_mayer | else
|
2549 | 76a66253 | j_mayer | es = "DS";
|
2550 | 76a66253 | j_mayer | en = 'D';
|
2551 | 76a66253 | j_mayer | miss = &env->spr[SPR_DMISS]; |
2552 | 76a66253 | j_mayer | cmp = &env->spr[SPR_DCMP]; |
2553 | 76a66253 | j_mayer | } |
2554 | 1b9eb036 | j_mayer | fprintf(logfile, "6xx %sTLB miss: %cM " ADDRX " %cC " ADDRX |
2555 | 4a057712 | j_mayer | " H1 " ADDRX " H2 " ADDRX " %08x\n", |
2556 | 1b9eb036 | j_mayer | es, en, *miss, en, *cmp, |
2557 | 76a66253 | j_mayer | env->spr[SPR_HASH1], env->spr[SPR_HASH2], |
2558 | 2be0071f | bellard | env->error_code); |
2559 | 2be0071f | bellard | } |
2560 | 9a64fbe4 | bellard | #endif
|
2561 | 2be0071f | bellard | msr |= env->crf[0] << 28; |
2562 | 2be0071f | bellard | msr |= env->error_code; /* key, D/I, S/L bits */
|
2563 | 2be0071f | bellard | /* Set way using a LRU mechanism */
|
2564 | 76a66253 | j_mayer | msr |= ((env->last_way + 1) & (env->nb_ways - 1)) << 17; |
2565 | c62db105 | j_mayer | break;
|
2566 | 7dbe11ac | j_mayer | case POWERPC_EXCP_74xx:
|
2567 | 7dbe11ac | j_mayer | tlb_miss_74xx:
|
2568 | 7dbe11ac | j_mayer | #if defined (DEBUG_SOFTWARE_TLB)
|
2569 | 7dbe11ac | j_mayer | if (loglevel != 0) { |
2570 | 7dbe11ac | j_mayer | const unsigned char *es; |
2571 | 7dbe11ac | j_mayer | target_ulong *miss, *cmp; |
2572 | 7dbe11ac | j_mayer | int en;
|
2573 | 7dbe11ac | j_mayer | if (excp == POWERPC_EXCP_IFTLB) {
|
2574 | 7dbe11ac | j_mayer | es = "I";
|
2575 | 7dbe11ac | j_mayer | en = 'I';
|
2576 | 0411a972 | j_mayer | miss = &env->spr[SPR_TLBMISS]; |
2577 | 0411a972 | j_mayer | cmp = &env->spr[SPR_PTEHI]; |
2578 | 7dbe11ac | j_mayer | } else {
|
2579 | 7dbe11ac | j_mayer | if (excp == POWERPC_EXCP_DLTLB)
|
2580 | 7dbe11ac | j_mayer | es = "DL";
|
2581 | 7dbe11ac | j_mayer | else
|
2582 | 7dbe11ac | j_mayer | es = "DS";
|
2583 | 7dbe11ac | j_mayer | en = 'D';
|
2584 | 7dbe11ac | j_mayer | miss = &env->spr[SPR_TLBMISS]; |
2585 | 7dbe11ac | j_mayer | cmp = &env->spr[SPR_PTEHI]; |
2586 | 7dbe11ac | j_mayer | } |
2587 | 7dbe11ac | j_mayer | fprintf(logfile, "74xx %sTLB miss: %cM " ADDRX " %cC " ADDRX |
2588 | 7dbe11ac | j_mayer | " %08x\n",
|
2589 | 7dbe11ac | j_mayer | es, en, *miss, en, *cmp, env->error_code); |
2590 | 7dbe11ac | j_mayer | } |
2591 | 7dbe11ac | j_mayer | #endif
|
2592 | 7dbe11ac | j_mayer | msr |= env->error_code; /* key bit */
|
2593 | 7dbe11ac | j_mayer | break;
|
2594 | 2be0071f | bellard | default:
|
2595 | e1833e1f | j_mayer | cpu_abort(env, "Invalid data store TLB miss exception\n");
|
2596 | 2be0071f | bellard | break;
|
2597 | 2be0071f | bellard | } |
2598 | e1833e1f | j_mayer | goto store_next;
|
2599 | e1833e1f | j_mayer | case POWERPC_EXCP_FPA: /* Floating-point assist exception */ |
2600 | e1833e1f | j_mayer | /* XXX: TODO */
|
2601 | e1833e1f | j_mayer | cpu_abort(env, "Floating point assist exception "
|
2602 | e1833e1f | j_mayer | "is not implemented yet !\n");
|
2603 | e1833e1f | j_mayer | goto store_next;
|
2604 | b4095fed | j_mayer | case POWERPC_EXCP_DABR: /* Data address breakpoint */ |
2605 | b4095fed | j_mayer | /* XXX: TODO */
|
2606 | b4095fed | j_mayer | cpu_abort(env, "DABR exception is not implemented yet !\n");
|
2607 | b4095fed | j_mayer | goto store_next;
|
2608 | e1833e1f | j_mayer | case POWERPC_EXCP_IABR: /* Instruction address breakpoint */ |
2609 | e1833e1f | j_mayer | /* XXX: TODO */
|
2610 | e1833e1f | j_mayer | cpu_abort(env, "IABR exception is not implemented yet !\n");
|
2611 | e1833e1f | j_mayer | goto store_next;
|
2612 | e1833e1f | j_mayer | case POWERPC_EXCP_SMI: /* System management interrupt */ |
2613 | e1833e1f | j_mayer | /* XXX: TODO */
|
2614 | e1833e1f | j_mayer | cpu_abort(env, "SMI exception is not implemented yet !\n");
|
2615 | e1833e1f | j_mayer | goto store_next;
|
2616 | e1833e1f | j_mayer | case POWERPC_EXCP_THERM: /* Thermal interrupt */ |
2617 | e1833e1f | j_mayer | /* XXX: TODO */
|
2618 | e1833e1f | j_mayer | cpu_abort(env, "Thermal management exception "
|
2619 | e1833e1f | j_mayer | "is not implemented yet !\n");
|
2620 | e1833e1f | j_mayer | goto store_next;
|
2621 | e1833e1f | j_mayer | case POWERPC_EXCP_PERFM: /* Embedded performance monitor interrupt */ |
2622 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_RI);
|
2623 | e1833e1f | j_mayer | if (lpes1 == 0) |
2624 | a4f30719 | j_mayer | new_msr |= (target_ulong)MSR_HVB; |
2625 | e1833e1f | j_mayer | /* XXX: TODO */
|
2626 | e1833e1f | j_mayer | cpu_abort(env, |
2627 | e1833e1f | j_mayer | "Performance counter exception is not implemented yet !\n");
|
2628 | e1833e1f | j_mayer | goto store_next;
|
2629 | e1833e1f | j_mayer | case POWERPC_EXCP_VPUA: /* Vector assist exception */ |
2630 | e1833e1f | j_mayer | /* XXX: TODO */
|
2631 | e1833e1f | j_mayer | cpu_abort(env, "VPU assist exception is not implemented yet !\n");
|
2632 | e1833e1f | j_mayer | goto store_next;
|
2633 | e1833e1f | j_mayer | case POWERPC_EXCP_SOFTP: /* Soft patch exception */ |
2634 | e1833e1f | j_mayer | /* XXX: TODO */
|
2635 | e1833e1f | j_mayer | cpu_abort(env, |
2636 | e1833e1f | j_mayer | "970 soft-patch exception is not implemented yet !\n");
|
2637 | e1833e1f | j_mayer | goto store_next;
|
2638 | e1833e1f | j_mayer | case POWERPC_EXCP_MAINT: /* Maintenance exception */ |
2639 | e1833e1f | j_mayer | /* XXX: TODO */
|
2640 | e1833e1f | j_mayer | cpu_abort(env, |
2641 | e1833e1f | j_mayer | "970 maintenance exception is not implemented yet !\n");
|
2642 | e1833e1f | j_mayer | goto store_next;
|
2643 | b4095fed | j_mayer | case POWERPC_EXCP_MEXTBR: /* Maskable external breakpoint */ |
2644 | b4095fed | j_mayer | /* XXX: TODO */
|
2645 | b4095fed | j_mayer | cpu_abort(env, "Maskable external exception "
|
2646 | b4095fed | j_mayer | "is not implemented yet !\n");
|
2647 | b4095fed | j_mayer | goto store_next;
|
2648 | b4095fed | j_mayer | case POWERPC_EXCP_NMEXTBR: /* Non maskable external breakpoint */ |
2649 | b4095fed | j_mayer | /* XXX: TODO */
|
2650 | b4095fed | j_mayer | cpu_abort(env, "Non maskable external exception "
|
2651 | b4095fed | j_mayer | "is not implemented yet !\n");
|
2652 | b4095fed | j_mayer | goto store_next;
|
2653 | 2be0071f | bellard | default:
|
2654 | e1833e1f | j_mayer | excp_invalid:
|
2655 | e1833e1f | j_mayer | cpu_abort(env, "Invalid PowerPC exception %d. Aborting\n", excp);
|
2656 | e1833e1f | j_mayer | break;
|
2657 | 9a64fbe4 | bellard | store_current:
|
2658 | 2be0071f | bellard | /* save current instruction location */
|
2659 | e1833e1f | j_mayer | env->spr[srr0] = env->nip - 4;
|
2660 | 9a64fbe4 | bellard | break;
|
2661 | 9a64fbe4 | bellard | store_next:
|
2662 | 2be0071f | bellard | /* save next instruction location */
|
2663 | e1833e1f | j_mayer | env->spr[srr0] = env->nip; |
2664 | 9a64fbe4 | bellard | break;
|
2665 | 9a64fbe4 | bellard | } |
2666 | e1833e1f | j_mayer | /* Save MSR */
|
2667 | e1833e1f | j_mayer | env->spr[srr1] = msr; |
2668 | e1833e1f | j_mayer | /* If any alternate SRR register are defined, duplicate saved values */
|
2669 | e1833e1f | j_mayer | if (asrr0 != -1) |
2670 | e1833e1f | j_mayer | env->spr[asrr0] = env->spr[srr0]; |
2671 | e1833e1f | j_mayer | if (asrr1 != -1) |
2672 | e1833e1f | j_mayer | env->spr[asrr1] = env->spr[srr1]; |
2673 | 2be0071f | bellard | /* If we disactivated any translation, flush TLBs */
|
2674 | 0411a972 | j_mayer | if (new_msr & ((1 << MSR_IR) | (1 << MSR_DR))) |
2675 | 2be0071f | bellard | tlb_flush(env, 1);
|
2676 | 9a64fbe4 | bellard | /* reload MSR with correct bits */
|
2677 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_EE);
|
2678 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_PR);
|
2679 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_FP);
|
2680 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_FE0);
|
2681 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_SE);
|
2682 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_BE);
|
2683 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_FE1);
|
2684 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_IR);
|
2685 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_DR);
|
2686 | e1833e1f | j_mayer | #if 0 /* Fix this: not on all targets */
|
2687 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_PMM);
|
2688 | e1833e1f | j_mayer | #endif
|
2689 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_LE);
|
2690 | 0411a972 | j_mayer | if (msr_ile)
|
2691 | 0411a972 | j_mayer | new_msr |= (target_ulong)1 << MSR_LE;
|
2692 | 0411a972 | j_mayer | else
|
2693 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_LE);
|
2694 | e1833e1f | j_mayer | /* Jump to handler */
|
2695 | e1833e1f | j_mayer | vector = env->excp_vectors[excp]; |
2696 | 6f2d8978 | j_mayer | if (vector == (target_ulong)-1ULL) { |
2697 | e1833e1f | j_mayer | cpu_abort(env, "Raised an exception without defined vector %d\n",
|
2698 | e1833e1f | j_mayer | excp); |
2699 | e1833e1f | j_mayer | } |
2700 | e1833e1f | j_mayer | vector |= env->excp_prefix; |
2701 | c62db105 | j_mayer | #if defined(TARGET_PPC64)
|
2702 | e1833e1f | j_mayer | if (excp_model == POWERPC_EXCP_BOOKE) {
|
2703 | 0411a972 | j_mayer | if (!msr_icm) {
|
2704 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_CM);
|
2705 | e1833e1f | j_mayer | vector = (uint32_t)vector; |
2706 | 0411a972 | j_mayer | } else {
|
2707 | 0411a972 | j_mayer | new_msr |= (target_ulong)1 << MSR_CM;
|
2708 | 0411a972 | j_mayer | } |
2709 | c62db105 | j_mayer | } else {
|
2710 | 0411a972 | j_mayer | if (!msr_isf) {
|
2711 | 0411a972 | j_mayer | new_msr &= ~((target_ulong)1 << MSR_SF);
|
2712 | e1833e1f | j_mayer | vector = (uint32_t)vector; |
2713 | 0411a972 | j_mayer | } else {
|
2714 | 0411a972 | j_mayer | new_msr |= (target_ulong)1 << MSR_SF;
|
2715 | 0411a972 | j_mayer | } |
2716 | c62db105 | j_mayer | } |
2717 | e1833e1f | j_mayer | #endif
|
2718 | 0411a972 | j_mayer | /* XXX: we don't use hreg_store_msr here as already have treated
|
2719 | 0411a972 | j_mayer | * any special case that could occur. Just store MSR and update hflags
|
2720 | 0411a972 | j_mayer | */
|
2721 | a4f30719 | j_mayer | env->msr = new_msr & env->msr_mask; |
2722 | 0411a972 | j_mayer | hreg_compute_hflags(env); |
2723 | e1833e1f | j_mayer | env->nip = vector; |
2724 | e1833e1f | j_mayer | /* Reset exception state */
|
2725 | e1833e1f | j_mayer | env->exception_index = POWERPC_EXCP_NONE; |
2726 | e1833e1f | j_mayer | env->error_code = 0;
|
2727 | fb0eaffc | bellard | } |
2728 | 47103572 | j_mayer | |
2729 | e1833e1f | j_mayer | void do_interrupt (CPUState *env)
|
2730 | 47103572 | j_mayer | { |
2731 | e1833e1f | j_mayer | powerpc_excp(env, env->excp_model, env->exception_index); |
2732 | e1833e1f | j_mayer | } |
2733 | 47103572 | j_mayer | |
2734 | e1833e1f | j_mayer | void ppc_hw_interrupt (CPUPPCState *env)
|
2735 | e1833e1f | j_mayer | { |
2736 | f9fdea6b | j_mayer | int hdice;
|
2737 | f9fdea6b | j_mayer | |
2738 | 0411a972 | j_mayer | #if 0
|
2739 | a496775f | j_mayer | if (loglevel & CPU_LOG_INT) {
|
2740 | a496775f | j_mayer | fprintf(logfile, "%s: %p pending %08x req %08x me %d ee %d\n",
|
2741 | a496775f | j_mayer | __func__, env, env->pending_interrupts,
|
2742 | 0411a972 | j_mayer | env->interrupt_request, (int)msr_me, (int)msr_ee);
|
2743 | a496775f | j_mayer | }
|
2744 | 47103572 | j_mayer | #endif
|
2745 | e1833e1f | j_mayer | /* External reset */
|
2746 | 47103572 | j_mayer | if (env->pending_interrupts & (1 << PPC_INTERRUPT_RESET)) { |
2747 | 47103572 | j_mayer | env->pending_interrupts &= ~(1 << PPC_INTERRUPT_RESET);
|
2748 | e1833e1f | j_mayer | powerpc_excp(env, env->excp_model, POWERPC_EXCP_RESET); |
2749 | e1833e1f | j_mayer | return;
|
2750 | e1833e1f | j_mayer | } |
2751 | e1833e1f | j_mayer | /* Machine check exception */
|
2752 | e1833e1f | j_mayer | if (env->pending_interrupts & (1 << PPC_INTERRUPT_MCK)) { |
2753 | e1833e1f | j_mayer | env->pending_interrupts &= ~(1 << PPC_INTERRUPT_MCK);
|
2754 | e1833e1f | j_mayer | powerpc_excp(env, env->excp_model, POWERPC_EXCP_MCHECK); |
2755 | e1833e1f | j_mayer | return;
|
2756 | 47103572 | j_mayer | } |
2757 | e1833e1f | j_mayer | #if 0 /* TODO */
|
2758 | e1833e1f | j_mayer | /* External debug exception */
|
2759 | e1833e1f | j_mayer | if (env->pending_interrupts & (1 << PPC_INTERRUPT_DEBUG)) {
|
2760 | e1833e1f | j_mayer | env->pending_interrupts &= ~(1 << PPC_INTERRUPT_DEBUG);
|
2761 | e1833e1f | j_mayer | powerpc_excp(env, env->excp_model, POWERPC_EXCP_DEBUG);
|
2762 | e1833e1f | j_mayer | return;
|
2763 | e1833e1f | j_mayer | }
|
2764 | e1833e1f | j_mayer | #endif
|
2765 | b172c56a | j_mayer | if (0) { |
2766 | b172c56a | j_mayer | /* XXX: find a suitable condition to enable the hypervisor mode */
|
2767 | b172c56a | j_mayer | hdice = env->spr[SPR_LPCR] & 1;
|
2768 | b172c56a | j_mayer | } else {
|
2769 | b172c56a | j_mayer | hdice = 0;
|
2770 | b172c56a | j_mayer | } |
2771 | f9fdea6b | j_mayer | if ((msr_ee != 0 || msr_hv == 0 || msr_pr != 0) && hdice != 0) { |
2772 | 47103572 | j_mayer | /* Hypervisor decrementer exception */
|
2773 | 47103572 | j_mayer | if (env->pending_interrupts & (1 << PPC_INTERRUPT_HDECR)) { |
2774 | 47103572 | j_mayer | env->pending_interrupts &= ~(1 << PPC_INTERRUPT_HDECR);
|
2775 | e1833e1f | j_mayer | powerpc_excp(env, env->excp_model, POWERPC_EXCP_HDECR); |
2776 | e1833e1f | j_mayer | return;
|
2777 | e1833e1f | j_mayer | } |
2778 | e1833e1f | j_mayer | } |
2779 | e1833e1f | j_mayer | if (msr_ce != 0) { |
2780 | e1833e1f | j_mayer | /* External critical interrupt */
|
2781 | e1833e1f | j_mayer | if (env->pending_interrupts & (1 << PPC_INTERRUPT_CEXT)) { |
2782 | e1833e1f | j_mayer | /* Taking a critical external interrupt does not clear the external
|
2783 | e1833e1f | j_mayer | * critical interrupt status
|
2784 | e1833e1f | j_mayer | */
|
2785 | e1833e1f | j_mayer | #if 0
|
2786 | e1833e1f | j_mayer | env->pending_interrupts &= ~(1 << PPC_INTERRUPT_CEXT);
|
2787 | 47103572 | j_mayer | #endif
|
2788 | e1833e1f | j_mayer | powerpc_excp(env, env->excp_model, POWERPC_EXCP_CRITICAL); |
2789 | e1833e1f | j_mayer | return;
|
2790 | e1833e1f | j_mayer | } |
2791 | e1833e1f | j_mayer | } |
2792 | e1833e1f | j_mayer | if (msr_ee != 0) { |
2793 | e1833e1f | j_mayer | /* Watchdog timer on embedded PowerPC */
|
2794 | e1833e1f | j_mayer | if (env->pending_interrupts & (1 << PPC_INTERRUPT_WDT)) { |
2795 | e1833e1f | j_mayer | env->pending_interrupts &= ~(1 << PPC_INTERRUPT_WDT);
|
2796 | e1833e1f | j_mayer | powerpc_excp(env, env->excp_model, POWERPC_EXCP_WDT); |
2797 | e1833e1f | j_mayer | return;
|
2798 | e1833e1f | j_mayer | } |
2799 | e1833e1f | j_mayer | if (env->pending_interrupts & (1 << PPC_INTERRUPT_CDOORBELL)) { |
2800 | e1833e1f | j_mayer | env->pending_interrupts &= ~(1 << PPC_INTERRUPT_CDOORBELL);
|
2801 | e1833e1f | j_mayer | powerpc_excp(env, env->excp_model, POWERPC_EXCP_DOORCI); |
2802 | e1833e1f | j_mayer | return;
|
2803 | e1833e1f | j_mayer | } |
2804 | e1833e1f | j_mayer | /* Fixed interval timer on embedded PowerPC */
|
2805 | e1833e1f | j_mayer | if (env->pending_interrupts & (1 << PPC_INTERRUPT_FIT)) { |
2806 | e1833e1f | j_mayer | env->pending_interrupts &= ~(1 << PPC_INTERRUPT_FIT);
|
2807 | e1833e1f | j_mayer | powerpc_excp(env, env->excp_model, POWERPC_EXCP_FIT); |
2808 | e1833e1f | j_mayer | return;
|
2809 | e1833e1f | j_mayer | } |
2810 | e1833e1f | j_mayer | /* Programmable interval timer on embedded PowerPC */
|
2811 | e1833e1f | j_mayer | if (env->pending_interrupts & (1 << PPC_INTERRUPT_PIT)) { |
2812 | e1833e1f | j_mayer | env->pending_interrupts &= ~(1 << PPC_INTERRUPT_PIT);
|
2813 | e1833e1f | j_mayer | powerpc_excp(env, env->excp_model, POWERPC_EXCP_PIT); |
2814 | e1833e1f | j_mayer | return;
|
2815 | e1833e1f | j_mayer | } |
2816 | 47103572 | j_mayer | /* Decrementer exception */
|
2817 | 47103572 | j_mayer | if (env->pending_interrupts & (1 << PPC_INTERRUPT_DECR)) { |
2818 | 47103572 | j_mayer | env->pending_interrupts &= ~(1 << PPC_INTERRUPT_DECR);
|
2819 | e1833e1f | j_mayer | powerpc_excp(env, env->excp_model, POWERPC_EXCP_DECR); |
2820 | e1833e1f | j_mayer | return;
|
2821 | e1833e1f | j_mayer | } |
2822 | 47103572 | j_mayer | /* External interrupt */
|
2823 | e1833e1f | j_mayer | if (env->pending_interrupts & (1 << PPC_INTERRUPT_EXT)) { |
2824 | e9df014c | j_mayer | /* Taking an external interrupt does not clear the external
|
2825 | e9df014c | j_mayer | * interrupt status
|
2826 | e9df014c | j_mayer | */
|
2827 | e9df014c | j_mayer | #if 0
|
2828 | 47103572 | j_mayer | env->pending_interrupts &= ~(1 << PPC_INTERRUPT_EXT);
|
2829 | e9df014c | j_mayer | #endif
|
2830 | e1833e1f | j_mayer | powerpc_excp(env, env->excp_model, POWERPC_EXCP_EXTERNAL); |
2831 | e1833e1f | j_mayer | return;
|
2832 | e1833e1f | j_mayer | } |
2833 | e1833e1f | j_mayer | if (env->pending_interrupts & (1 << PPC_INTERRUPT_DOORBELL)) { |
2834 | e1833e1f | j_mayer | env->pending_interrupts &= ~(1 << PPC_INTERRUPT_DOORBELL);
|
2835 | e1833e1f | j_mayer | powerpc_excp(env, env->excp_model, POWERPC_EXCP_DOORI); |
2836 | e1833e1f | j_mayer | return;
|
2837 | 47103572 | j_mayer | } |
2838 | e1833e1f | j_mayer | if (env->pending_interrupts & (1 << PPC_INTERRUPT_PERFM)) { |
2839 | e1833e1f | j_mayer | env->pending_interrupts &= ~(1 << PPC_INTERRUPT_PERFM);
|
2840 | e1833e1f | j_mayer | powerpc_excp(env, env->excp_model, POWERPC_EXCP_PERFM); |
2841 | e1833e1f | j_mayer | return;
|
2842 | e1833e1f | j_mayer | } |
2843 | e1833e1f | j_mayer | /* Thermal interrupt */
|
2844 | e1833e1f | j_mayer | if (env->pending_interrupts & (1 << PPC_INTERRUPT_THERM)) { |
2845 | e1833e1f | j_mayer | env->pending_interrupts &= ~(1 << PPC_INTERRUPT_THERM);
|
2846 | e1833e1f | j_mayer | powerpc_excp(env, env->excp_model, POWERPC_EXCP_THERM); |
2847 | e1833e1f | j_mayer | return;
|
2848 | e1833e1f | j_mayer | } |
2849 | 47103572 | j_mayer | } |
2850 | 47103572 | j_mayer | } |
2851 | 18fba28c | bellard | #endif /* !CONFIG_USER_ONLY */ |
2852 | a496775f | j_mayer | |
2853 | 4a057712 | j_mayer | void cpu_dump_rfi (target_ulong RA, target_ulong msr)
|
2854 | 4a057712 | j_mayer | { |
2855 | 4a057712 | j_mayer | FILE *f; |
2856 | 4a057712 | j_mayer | |
2857 | 4a057712 | j_mayer | if (logfile) {
|
2858 | 4a057712 | j_mayer | f = logfile; |
2859 | 4a057712 | j_mayer | } else {
|
2860 | 4a057712 | j_mayer | f = stdout; |
2861 | 4a057712 | j_mayer | return;
|
2862 | 4a057712 | j_mayer | } |
2863 | 4a057712 | j_mayer | fprintf(f, "Return from exception at " ADDRX " with flags " ADDRX "\n", |
2864 | 4a057712 | j_mayer | RA, msr); |
2865 | a496775f | j_mayer | } |
2866 | a496775f | j_mayer | |
2867 | 0a032cbe | j_mayer | void cpu_ppc_reset (void *opaque) |
2868 | 0a032cbe | j_mayer | { |
2869 | 0a032cbe | j_mayer | CPUPPCState *env; |
2870 | 0411a972 | j_mayer | target_ulong msr; |
2871 | 0a032cbe | j_mayer | |
2872 | 0a032cbe | j_mayer | env = opaque; |
2873 | 0411a972 | j_mayer | msr = (target_ulong)0;
|
2874 | a4f30719 | j_mayer | if (0) { |
2875 | a4f30719 | j_mayer | /* XXX: find a suitable condition to enable the hypervisor mode */
|
2876 | a4f30719 | j_mayer | msr |= (target_ulong)MSR_HVB; |
2877 | a4f30719 | j_mayer | } |
2878 | 0411a972 | j_mayer | msr |= (target_ulong)0 << MSR_AP; /* TO BE CHECKED */ |
2879 | 0411a972 | j_mayer | msr |= (target_ulong)0 << MSR_SA; /* TO BE CHECKED */ |
2880 | 0411a972 | j_mayer | msr |= (target_ulong)1 << MSR_EP;
|
2881 | 0a032cbe | j_mayer | #if defined (DO_SINGLE_STEP) && 0 |
2882 | 0a032cbe | j_mayer | /* Single step trace mode */
|
2883 | 0411a972 | j_mayer | msr |= (target_ulong)1 << MSR_SE;
|
2884 | 0411a972 | j_mayer | msr |= (target_ulong)1 << MSR_BE;
|
2885 | 0a032cbe | j_mayer | #endif
|
2886 | 0a032cbe | j_mayer | #if defined(CONFIG_USER_ONLY)
|
2887 | 0411a972 | j_mayer | msr |= (target_ulong)1 << MSR_FP; /* Allow floating point usage */ |
2888 | 4c2ab988 | aurel32 | msr |= (target_ulong)1 << MSR_VR; /* Allow altivec usage */ |
2889 | 4c2ab988 | aurel32 | msr |= (target_ulong)1 << MSR_SPE; /* Allow SPE usage */ |
2890 | 0411a972 | j_mayer | msr |= (target_ulong)1 << MSR_PR;
|
2891 | fe463b7d | aurel32 | env->msr = msr & env->msr_mask; |
2892 | 0a032cbe | j_mayer | #else
|
2893 | 1c27f8fb | j_mayer | env->nip = env->hreset_vector | env->excp_prefix; |
2894 | b4095fed | j_mayer | if (env->mmu_model != POWERPC_MMU_REAL)
|
2895 | 141c8ae2 | j_mayer | ppc_tlb_invalidate_all(env); |
2896 | 0a032cbe | j_mayer | #endif
|
2897 | 0411a972 | j_mayer | hreg_compute_hflags(env); |
2898 | 6f2d8978 | j_mayer | env->reserve = (target_ulong)-1ULL;
|
2899 | 5eb7995e | j_mayer | /* Be sure no exception or interrupt is pending */
|
2900 | 5eb7995e | j_mayer | env->pending_interrupts = 0;
|
2901 | e1833e1f | j_mayer | env->exception_index = POWERPC_EXCP_NONE; |
2902 | e1833e1f | j_mayer | env->error_code = 0;
|
2903 | 5eb7995e | j_mayer | /* Flush all TLBs */
|
2904 | 5eb7995e | j_mayer | tlb_flush(env, 1);
|
2905 | 0a032cbe | j_mayer | } |
2906 | 0a032cbe | j_mayer | |
2907 | aaed909a | bellard | CPUPPCState *cpu_ppc_init (const char *cpu_model) |
2908 | 0a032cbe | j_mayer | { |
2909 | 0a032cbe | j_mayer | CPUPPCState *env; |
2910 | aaed909a | bellard | const ppc_def_t *def;
|
2911 | aaed909a | bellard | |
2912 | aaed909a | bellard | def = cpu_ppc_find_by_name(cpu_model); |
2913 | aaed909a | bellard | if (!def)
|
2914 | aaed909a | bellard | return NULL; |
2915 | 0a032cbe | j_mayer | |
2916 | 0a032cbe | j_mayer | env = qemu_mallocz(sizeof(CPUPPCState));
|
2917 | 0a032cbe | j_mayer | if (!env)
|
2918 | 0a032cbe | j_mayer | return NULL; |
2919 | 0a032cbe | j_mayer | cpu_exec_init(env); |
2920 | 2e70f6ef | pbrook | ppc_translate_init(); |
2921 | 01ba9816 | ths | env->cpu_model_str = cpu_model; |
2922 | aaed909a | bellard | cpu_ppc_register_internal(env, def); |
2923 | aaed909a | bellard | cpu_ppc_reset(env); |
2924 | d76d1650 | aurel32 | |
2925 | d76d1650 | aurel32 | if (kvm_enabled())
|
2926 | d76d1650 | aurel32 | kvm_init_vcpu(env); |
2927 | d76d1650 | aurel32 | |
2928 | 0a032cbe | j_mayer | return env;
|
2929 | 0a032cbe | j_mayer | } |
2930 | 0a032cbe | j_mayer | |
2931 | 0a032cbe | j_mayer | void cpu_ppc_close (CPUPPCState *env)
|
2932 | 0a032cbe | j_mayer | { |
2933 | 0a032cbe | j_mayer | /* Should also remove all opcode tables... */
|
2934 | aaed909a | bellard | qemu_free(env); |
2935 | 0a032cbe | j_mayer | } |