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APIC fixes - SIPI support
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79aceca5 1/*
3fc6c082 2 * PowerPC emulation for qemu: main translation routines.
79aceca5 3 *
3fc6c082 4 * Copyright (c) 2003-2005 Jocelyn Mayer
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5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
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20#include <stdarg.h>
21#include <stdlib.h>
22#include <stdio.h>
23#include <string.h>
24#include <inttypes.h>
25
79aceca5 26#include "cpu.h"
c6a1c22b 27#include "exec-all.h"
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28#include "disas.h"
29
30//#define DO_SINGLE_STEP
9fddaa0c 31//#define PPC_DEBUG_DISAS
79aceca5 32
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33#ifdef USE_DIRECT_JUMP
34#define TBPARAM(x)
35#else
36#define TBPARAM(x) (long)(x)
37#endif
38
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39enum {
40#define DEF(s, n, copy_size) INDEX_op_ ## s,
41#include "opc.h"
42#undef DEF
43 NB_OPS,
44};
45
46static uint16_t *gen_opc_ptr;
47static uint32_t *gen_opparam_ptr;
48
49#include "gen-op.h"
28b6751f 50
28b6751f 51#define GEN8(func, NAME) \
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52static GenOpFunc *NAME ## _table [8] = { \
53NAME ## 0, NAME ## 1, NAME ## 2, NAME ## 3, \
54NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7, \
55}; \
56static inline void func(int n) \
57{ \
58 NAME ## _table[n](); \
59}
60
61#define GEN16(func, NAME) \
62static GenOpFunc *NAME ## _table [16] = { \
63NAME ## 0, NAME ## 1, NAME ## 2, NAME ## 3, \
64NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7, \
65NAME ## 8, NAME ## 9, NAME ## 10, NAME ## 11, \
66NAME ## 12, NAME ## 13, NAME ## 14, NAME ## 15, \
67}; \
68static inline void func(int n) \
69{ \
70 NAME ## _table[n](); \
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71}
72
73#define GEN32(func, NAME) \
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74static GenOpFunc *NAME ## _table [32] = { \
75NAME ## 0, NAME ## 1, NAME ## 2, NAME ## 3, \
76NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7, \
77NAME ## 8, NAME ## 9, NAME ## 10, NAME ## 11, \
78NAME ## 12, NAME ## 13, NAME ## 14, NAME ## 15, \
79NAME ## 16, NAME ## 17, NAME ## 18, NAME ## 19, \
80NAME ## 20, NAME ## 21, NAME ## 22, NAME ## 23, \
81NAME ## 24, NAME ## 25, NAME ## 26, NAME ## 27, \
82NAME ## 28, NAME ## 29, NAME ## 30, NAME ## 31, \
83}; \
84static inline void func(int n) \
85{ \
86 NAME ## _table[n](); \
87}
88
89/* Condition register moves */
90GEN8(gen_op_load_crf_T0, gen_op_load_crf_T0_crf);
91GEN8(gen_op_load_crf_T1, gen_op_load_crf_T1_crf);
92GEN8(gen_op_store_T0_crf, gen_op_store_T0_crf_crf);
93GEN8(gen_op_store_T1_crf, gen_op_store_T1_crf_crf);
28b6751f 94
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95/* Floating point condition and status register moves */
96GEN8(gen_op_load_fpscr_T0, gen_op_load_fpscr_T0_fpscr);
97GEN8(gen_op_store_T0_fpscr, gen_op_store_T0_fpscr_fpscr);
98GEN8(gen_op_clear_fpscr, gen_op_clear_fpscr_fpscr);
99static GenOpFunc1 *gen_op_store_T0_fpscri_fpscr_table[8] = {
100 &gen_op_store_T0_fpscri_fpscr0,
101 &gen_op_store_T0_fpscri_fpscr1,
102 &gen_op_store_T0_fpscri_fpscr2,
103 &gen_op_store_T0_fpscri_fpscr3,
104 &gen_op_store_T0_fpscri_fpscr4,
105 &gen_op_store_T0_fpscri_fpscr5,
106 &gen_op_store_T0_fpscri_fpscr6,
107 &gen_op_store_T0_fpscri_fpscr7,
108};
109static inline void gen_op_store_T0_fpscri(int n, uint8_t param)
110{
111 (*gen_op_store_T0_fpscri_fpscr_table[n])(param);
112}
113
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114/* Segment register moves */
115GEN16(gen_op_load_sr, gen_op_load_sr);
116GEN16(gen_op_store_sr, gen_op_store_sr);
28b6751f 117
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118/* General purpose registers moves */
119GEN32(gen_op_load_gpr_T0, gen_op_load_gpr_T0_gpr);
120GEN32(gen_op_load_gpr_T1, gen_op_load_gpr_T1_gpr);
121GEN32(gen_op_load_gpr_T2, gen_op_load_gpr_T2_gpr);
122
123GEN32(gen_op_store_T0_gpr, gen_op_store_T0_gpr_gpr);
124GEN32(gen_op_store_T1_gpr, gen_op_store_T1_gpr_gpr);
125GEN32(gen_op_store_T2_gpr, gen_op_store_T2_gpr_gpr);
28b6751f 126
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127/* floating point registers moves */
128GEN32(gen_op_load_fpr_FT0, gen_op_load_fpr_FT0_fpr);
129GEN32(gen_op_load_fpr_FT1, gen_op_load_fpr_FT1_fpr);
130GEN32(gen_op_load_fpr_FT2, gen_op_load_fpr_FT2_fpr);
131GEN32(gen_op_store_FT0_fpr, gen_op_store_FT0_fpr_fpr);
132GEN32(gen_op_store_FT1_fpr, gen_op_store_FT1_fpr_fpr);
133GEN32(gen_op_store_FT2_fpr, gen_op_store_FT2_fpr_fpr);
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134
135static uint8_t spr_access[1024 / 2];
136
137/* internal defines */
138typedef struct DisasContext {
139 struct TranslationBlock *tb;
0fa85d43 140 target_ulong nip;
79aceca5 141 uint32_t opcode;
9a64fbe4 142 uint32_t exception;
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143 /* Routine used to access memory */
144 int mem_idx;
145 /* Translation flags */
9a64fbe4 146#if !defined(CONFIG_USER_ONLY)
79aceca5 147 int supervisor;
9a64fbe4 148#endif
3cc62370 149 int fpu_enabled;
3fc6c082 150 ppc_spr_t *spr_cb; /* Needed to check rights for mfspr/mtspr */
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151} DisasContext;
152
3fc6c082 153struct opc_handler_t {
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154 /* invalid bits */
155 uint32_t inval;
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156 /* instruction type */
157 uint32_t type;
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158 /* handler */
159 void (*handler)(DisasContext *ctx);
3fc6c082 160};
79aceca5 161
9fddaa0c 162#define RET_EXCP(ctx, excp, error) \
79aceca5 163do { \
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164 if ((ctx)->exception == EXCP_NONE) { \
165 gen_op_update_nip((ctx)->nip); \
166 } \
167 gen_op_raise_exception_err((excp), (error)); \
168 ctx->exception = (excp); \
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169} while (0)
170
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171#define RET_INVAL(ctx) \
172RET_EXCP((ctx), EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_INVAL)
173
174#define RET_PRIVOPC(ctx) \
175RET_EXCP((ctx), EXCP_PROGRAM, EXCP_INVAL | EXCP_PRIV_OPC)
9a64fbe4 176
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177#define RET_PRIVREG(ctx) \
178RET_EXCP((ctx), EXCP_PROGRAM, EXCP_INVAL | EXCP_PRIV_REG)
9a64fbe4 179
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180#define RET_MTMSR(ctx) \
181RET_EXCP((ctx), EXCP_MTMSR, 0)
79aceca5 182
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183static inline void RET_STOP (DisasContext *ctx)
184{
185 RET_EXCP(ctx, EXCP_MTMSR, 0);
186}
187
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188static inline void RET_CHG_FLOW (DisasContext *ctx)
189{
190 gen_op_raise_exception_err(EXCP_MTMSR, 0);
191 ctx->exception = EXCP_MTMSR;
192}
193
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194#define GEN_HANDLER(name, opc1, opc2, opc3, inval, type) \
195static void gen_##name (DisasContext *ctx); \
196GEN_OPCODE(name, opc1, opc2, opc3, inval, type); \
197static void gen_##name (DisasContext *ctx)
198
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199typedef struct opcode_t {
200 unsigned char opc1, opc2, opc3;
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201#if HOST_LONG_BITS == 64 /* Explicitely align to 64 bits */
202 unsigned char pad[5];
203#else
204 unsigned char pad[1];
205#endif
79aceca5 206 opc_handler_t handler;
3fc6c082 207 const unsigned char *oname;
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208} opcode_t;
209
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210/*** Instruction decoding ***/
211#define EXTRACT_HELPER(name, shift, nb) \
212static inline uint32_t name (uint32_t opcode) \
213{ \
214 return (opcode >> (shift)) & ((1 << (nb)) - 1); \
215}
216
217#define EXTRACT_SHELPER(name, shift, nb) \
218static inline int32_t name (uint32_t opcode) \
219{ \
18fba28c 220 return (int16_t)((opcode >> (shift)) & ((1 << (nb)) - 1)); \
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221}
222
223/* Opcode part 1 */
224EXTRACT_HELPER(opc1, 26, 6);
225/* Opcode part 2 */
226EXTRACT_HELPER(opc2, 1, 5);
227/* Opcode part 3 */
228EXTRACT_HELPER(opc3, 6, 5);
229/* Update Cr0 flags */
230EXTRACT_HELPER(Rc, 0, 1);
231/* Destination */
232EXTRACT_HELPER(rD, 21, 5);
233/* Source */
234EXTRACT_HELPER(rS, 21, 5);
235/* First operand */
236EXTRACT_HELPER(rA, 16, 5);
237/* Second operand */
238EXTRACT_HELPER(rB, 11, 5);
239/* Third operand */
240EXTRACT_HELPER(rC, 6, 5);
241/*** Get CRn ***/
242EXTRACT_HELPER(crfD, 23, 3);
243EXTRACT_HELPER(crfS, 18, 3);
244EXTRACT_HELPER(crbD, 21, 5);
245EXTRACT_HELPER(crbA, 16, 5);
246EXTRACT_HELPER(crbB, 11, 5);
247/* SPR / TBL */
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248EXTRACT_HELPER(_SPR, 11, 10);
249static inline uint32_t SPR (uint32_t opcode)
250{
251 uint32_t sprn = _SPR(opcode);
252
253 return ((sprn >> 5) & 0x1F) | ((sprn & 0x1F) << 5);
254}
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255/*** Get constants ***/
256EXTRACT_HELPER(IMM, 12, 8);
257/* 16 bits signed immediate value */
258EXTRACT_SHELPER(SIMM, 0, 16);
259/* 16 bits unsigned immediate value */
260EXTRACT_HELPER(UIMM, 0, 16);
261/* Bit count */
262EXTRACT_HELPER(NB, 11, 5);
263/* Shift count */
264EXTRACT_HELPER(SH, 11, 5);
265/* Mask start */
266EXTRACT_HELPER(MB, 6, 5);
267/* Mask end */
268EXTRACT_HELPER(ME, 1, 5);
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269/* Trap operand */
270EXTRACT_HELPER(TO, 21, 5);
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271
272EXTRACT_HELPER(CRM, 12, 8);
273EXTRACT_HELPER(FM, 17, 8);
274EXTRACT_HELPER(SR, 16, 4);
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275EXTRACT_HELPER(FPIMM, 20, 4);
276
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277/*** Jump target decoding ***/
278/* Displacement */
279EXTRACT_SHELPER(d, 0, 16);
280/* Immediate address */
281static inline uint32_t LI (uint32_t opcode)
282{
283 return (opcode >> 0) & 0x03FFFFFC;
284}
285
286static inline uint32_t BD (uint32_t opcode)
287{
288 return (opcode >> 0) & 0xFFFC;
289}
290
291EXTRACT_HELPER(BO, 21, 5);
292EXTRACT_HELPER(BI, 16, 5);
293/* Absolute/relative address */
294EXTRACT_HELPER(AA, 1, 1);
295/* Link */
296EXTRACT_HELPER(LK, 0, 1);
297
298/* Create a mask between <start> and <end> bits */
299static inline uint32_t MASK (uint32_t start, uint32_t end)
300{
301 uint32_t ret;
302
303 ret = (((uint32_t)(-1)) >> (start)) ^ (((uint32_t)(-1) >> (end)) >> 1);
304 if (start > end)
305 return ~ret;
306
307 return ret;
308}
309
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310#if HOST_LONG_BITS == 64
311#define OPC_ALIGN 8
312#else
313#define OPC_ALIGN 4
314#endif
1b039c09 315#if defined(__APPLE__)
933dc6eb 316#define OPCODES_SECTION \
3fc6c082 317 __attribute__ ((section("__TEXT,__opcodes"), unused, aligned (OPC_ALIGN) ))
933dc6eb 318#else
1b039c09 319#define OPCODES_SECTION \
3fc6c082 320 __attribute__ ((section(".opcodes"), unused, aligned (OPC_ALIGN) ))
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321#endif
322
79aceca5 323#define GEN_OPCODE(name, op1, op2, op3, invl, _typ) \
18fba28c 324OPCODES_SECTION opcode_t opc_##name = { \
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325 .opc1 = op1, \
326 .opc2 = op2, \
327 .opc3 = op3, \
18fba28c 328 .pad = { 0, }, \
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329 .handler = { \
330 .inval = invl, \
9a64fbe4 331 .type = _typ, \
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332 .handler = &gen_##name, \
333 }, \
3fc6c082 334 .oname = stringify(name), \
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335}
336
337#define GEN_OPCODE_MARK(name) \
18fba28c 338OPCODES_SECTION opcode_t opc_##name = { \
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339 .opc1 = 0xFF, \
340 .opc2 = 0xFF, \
341 .opc3 = 0xFF, \
18fba28c 342 .pad = { 0, }, \
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343 .handler = { \
344 .inval = 0x00000000, \
9a64fbe4 345 .type = 0x00, \
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346 .handler = NULL, \
347 }, \
3fc6c082 348 .oname = stringify(name), \
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349}
350
351/* Start opcode list */
352GEN_OPCODE_MARK(start);
353
354/* Invalid instruction */
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355GEN_HANDLER(invalid, 0x00, 0x00, 0x00, 0xFFFFFFFF, PPC_NONE)
356{
9fddaa0c 357 RET_INVAL(ctx);
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358}
359
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360static opc_handler_t invalid_handler = {
361 .inval = 0xFFFFFFFF,
9a64fbe4 362 .type = PPC_NONE,
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363 .handler = gen_invalid,
364};
365
366/*** Integer arithmetic ***/
367#define __GEN_INT_ARITH2(name, opc1, opc2, opc3, inval) \
368GEN_HANDLER(name, opc1, opc2, opc3, inval, PPC_INTEGER) \
369{ \
370 gen_op_load_gpr_T0(rA(ctx->opcode)); \
371 gen_op_load_gpr_T1(rB(ctx->opcode)); \
372 gen_op_##name(); \
373 if (Rc(ctx->opcode) != 0) \
374 gen_op_set_Rc0(); \
375 gen_op_store_T0_gpr(rD(ctx->opcode)); \
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376}
377
378#define __GEN_INT_ARITH2_O(name, opc1, opc2, opc3, inval) \
379GEN_HANDLER(name, opc1, opc2, opc3, inval, PPC_INTEGER) \
380{ \
381 gen_op_load_gpr_T0(rA(ctx->opcode)); \
382 gen_op_load_gpr_T1(rB(ctx->opcode)); \
383 gen_op_##name(); \
384 if (Rc(ctx->opcode) != 0) \
18fba28c 385 gen_op_set_Rc0(); \
79aceca5 386 gen_op_store_T0_gpr(rD(ctx->opcode)); \
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387}
388
389#define __GEN_INT_ARITH1(name, opc1, opc2, opc3) \
390GEN_HANDLER(name, opc1, opc2, opc3, 0x0000F800, PPC_INTEGER) \
391{ \
392 gen_op_load_gpr_T0(rA(ctx->opcode)); \
393 gen_op_##name(); \
394 if (Rc(ctx->opcode) != 0) \
395 gen_op_set_Rc0(); \
396 gen_op_store_T0_gpr(rD(ctx->opcode)); \
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397}
398#define __GEN_INT_ARITH1_O(name, opc1, opc2, opc3) \
399GEN_HANDLER(name, opc1, opc2, opc3, 0x0000F800, PPC_INTEGER) \
400{ \
401 gen_op_load_gpr_T0(rA(ctx->opcode)); \
402 gen_op_##name(); \
403 if (Rc(ctx->opcode) != 0) \
18fba28c 404 gen_op_set_Rc0(); \
79aceca5 405 gen_op_store_T0_gpr(rD(ctx->opcode)); \
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406}
407
408/* Two operands arithmetic functions */
409#define GEN_INT_ARITH2(name, opc1, opc2, opc3) \
410__GEN_INT_ARITH2(name, opc1, opc2, opc3, 0x00000000) \
411__GEN_INT_ARITH2_O(name##o, opc1, opc2, opc3 | 0x10, 0x00000000)
412
413/* Two operands arithmetic functions with no overflow allowed */
414#define GEN_INT_ARITHN(name, opc1, opc2, opc3) \
415__GEN_INT_ARITH2(name, opc1, opc2, opc3, 0x00000400)
416
417/* One operand arithmetic functions */
418#define GEN_INT_ARITH1(name, opc1, opc2, opc3) \
419__GEN_INT_ARITH1(name, opc1, opc2, opc3) \
420__GEN_INT_ARITH1_O(name##o, opc1, opc2, opc3 | 0x10)
421
422/* add add. addo addo. */
423GEN_INT_ARITH2 (add, 0x1F, 0x0A, 0x08);
424/* addc addc. addco addco. */
425GEN_INT_ARITH2 (addc, 0x1F, 0x0A, 0x00);
426/* adde adde. addeo addeo. */
427GEN_INT_ARITH2 (adde, 0x1F, 0x0A, 0x04);
428/* addme addme. addmeo addmeo. */
429GEN_INT_ARITH1 (addme, 0x1F, 0x0A, 0x07);
430/* addze addze. addzeo addzeo. */
431GEN_INT_ARITH1 (addze, 0x1F, 0x0A, 0x06);
432/* divw divw. divwo divwo. */
433GEN_INT_ARITH2 (divw, 0x1F, 0x0B, 0x0F);
434/* divwu divwu. divwuo divwuo. */
435GEN_INT_ARITH2 (divwu, 0x1F, 0x0B, 0x0E);
436/* mulhw mulhw. */
437GEN_INT_ARITHN (mulhw, 0x1F, 0x0B, 0x02);
438/* mulhwu mulhwu. */
439GEN_INT_ARITHN (mulhwu, 0x1F, 0x0B, 0x00);
440/* mullw mullw. mullwo mullwo. */
441GEN_INT_ARITH2 (mullw, 0x1F, 0x0B, 0x07);
442/* neg neg. nego nego. */
443GEN_INT_ARITH1 (neg, 0x1F, 0x08, 0x03);
444/* subf subf. subfo subfo. */
445GEN_INT_ARITH2 (subf, 0x1F, 0x08, 0x01);
446/* subfc subfc. subfco subfco. */
447GEN_INT_ARITH2 (subfc, 0x1F, 0x08, 0x00);
448/* subfe subfe. subfeo subfeo. */
449GEN_INT_ARITH2 (subfe, 0x1F, 0x08, 0x04);
450/* subfme subfme. subfmeo subfmeo. */
451GEN_INT_ARITH1 (subfme, 0x1F, 0x08, 0x07);
452/* subfze subfze. subfzeo subfzeo. */
453GEN_INT_ARITH1 (subfze, 0x1F, 0x08, 0x06);
454/* addi */
455GEN_HANDLER(addi, 0x0E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
456{
457 int32_t simm = SIMM(ctx->opcode);
458
459 if (rA(ctx->opcode) == 0) {
460 gen_op_set_T0(simm);
461 } else {
462 gen_op_load_gpr_T0(rA(ctx->opcode));
463 gen_op_addi(simm);
464 }
465 gen_op_store_T0_gpr(rD(ctx->opcode));
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466}
467/* addic */
468GEN_HANDLER(addic, 0x0C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
469{
470 gen_op_load_gpr_T0(rA(ctx->opcode));
471 gen_op_addic(SIMM(ctx->opcode));
472 gen_op_store_T0_gpr(rD(ctx->opcode));
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473}
474/* addic. */
475GEN_HANDLER(addic_, 0x0D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
476{
477 gen_op_load_gpr_T0(rA(ctx->opcode));
478 gen_op_addic(SIMM(ctx->opcode));
479 gen_op_set_Rc0();
480 gen_op_store_T0_gpr(rD(ctx->opcode));
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481}
482/* addis */
483GEN_HANDLER(addis, 0x0F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
484{
485 int32_t simm = SIMM(ctx->opcode);
486
487 if (rA(ctx->opcode) == 0) {
488 gen_op_set_T0(simm << 16);
489 } else {
490 gen_op_load_gpr_T0(rA(ctx->opcode));
491 gen_op_addi(simm << 16);
492 }
493 gen_op_store_T0_gpr(rD(ctx->opcode));
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494}
495/* mulli */
496GEN_HANDLER(mulli, 0x07, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
497{
498 gen_op_load_gpr_T0(rA(ctx->opcode));
499 gen_op_mulli(SIMM(ctx->opcode));
500 gen_op_store_T0_gpr(rD(ctx->opcode));
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501}
502/* subfic */
503GEN_HANDLER(subfic, 0x08, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
504{
505 gen_op_load_gpr_T0(rA(ctx->opcode));
506 gen_op_subfic(SIMM(ctx->opcode));
507 gen_op_store_T0_gpr(rD(ctx->opcode));
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508}
509
510/*** Integer comparison ***/
511#define GEN_CMP(name, opc) \
512GEN_HANDLER(name, 0x1F, 0x00, opc, 0x00400000, PPC_INTEGER) \
513{ \
514 gen_op_load_gpr_T0(rA(ctx->opcode)); \
515 gen_op_load_gpr_T1(rB(ctx->opcode)); \
516 gen_op_##name(); \
517 gen_op_store_T0_crf(crfD(ctx->opcode)); \
79aceca5
FB
518}
519
520/* cmp */
521GEN_CMP(cmp, 0x00);
522/* cmpi */
523GEN_HANDLER(cmpi, 0x0B, 0xFF, 0xFF, 0x00400000, PPC_INTEGER)
524{
525 gen_op_load_gpr_T0(rA(ctx->opcode));
526 gen_op_cmpi(SIMM(ctx->opcode));
527 gen_op_store_T0_crf(crfD(ctx->opcode));
79aceca5
FB
528}
529/* cmpl */
530GEN_CMP(cmpl, 0x01);
531/* cmpli */
532GEN_HANDLER(cmpli, 0x0A, 0xFF, 0xFF, 0x00400000, PPC_INTEGER)
533{
534 gen_op_load_gpr_T0(rA(ctx->opcode));
535 gen_op_cmpli(UIMM(ctx->opcode));
536 gen_op_store_T0_crf(crfD(ctx->opcode));
79aceca5
FB
537}
538
539/*** Integer logical ***/
540#define __GEN_LOGICAL2(name, opc2, opc3) \
541GEN_HANDLER(name, 0x1F, opc2, opc3, 0x00000000, PPC_INTEGER) \
542{ \
543 gen_op_load_gpr_T0(rS(ctx->opcode)); \
544 gen_op_load_gpr_T1(rB(ctx->opcode)); \
545 gen_op_##name(); \
546 if (Rc(ctx->opcode) != 0) \
547 gen_op_set_Rc0(); \
548 gen_op_store_T0_gpr(rA(ctx->opcode)); \
79aceca5
FB
549}
550#define GEN_LOGICAL2(name, opc) \
551__GEN_LOGICAL2(name, 0x1C, opc)
552
553#define GEN_LOGICAL1(name, opc) \
554GEN_HANDLER(name, 0x1F, 0x1A, opc, 0x00000000, PPC_INTEGER) \
555{ \
556 gen_op_load_gpr_T0(rS(ctx->opcode)); \
557 gen_op_##name(); \
558 if (Rc(ctx->opcode) != 0) \
559 gen_op_set_Rc0(); \
560 gen_op_store_T0_gpr(rA(ctx->opcode)); \
79aceca5
FB
561}
562
563/* and & and. */
564GEN_LOGICAL2(and, 0x00);
565/* andc & andc. */
566GEN_LOGICAL2(andc, 0x01);
567/* andi. */
568GEN_HANDLER(andi_, 0x1C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
569{
570 gen_op_load_gpr_T0(rS(ctx->opcode));
571 gen_op_andi_(UIMM(ctx->opcode));
572 gen_op_set_Rc0();
573 gen_op_store_T0_gpr(rA(ctx->opcode));
79aceca5
FB
574}
575/* andis. */
576GEN_HANDLER(andis_, 0x1D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
577{
578 gen_op_load_gpr_T0(rS(ctx->opcode));
579 gen_op_andi_(UIMM(ctx->opcode) << 16);
580 gen_op_set_Rc0();
581 gen_op_store_T0_gpr(rA(ctx->opcode));
79aceca5
FB
582}
583
584/* cntlzw */
585GEN_LOGICAL1(cntlzw, 0x00);
586/* eqv & eqv. */
587GEN_LOGICAL2(eqv, 0x08);
588/* extsb & extsb. */
589GEN_LOGICAL1(extsb, 0x1D);
590/* extsh & extsh. */
591GEN_LOGICAL1(extsh, 0x1C);
592/* nand & nand. */
593GEN_LOGICAL2(nand, 0x0E);
594/* nor & nor. */
595GEN_LOGICAL2(nor, 0x03);
9a64fbe4 596
79aceca5 597/* or & or. */
9a64fbe4
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598GEN_HANDLER(or, 0x1F, 0x1C, 0x0D, 0x00000000, PPC_INTEGER)
599{
600 gen_op_load_gpr_T0(rS(ctx->opcode));
601 /* Optimisation for mr case */
602 if (rS(ctx->opcode) != rB(ctx->opcode)) {
603 gen_op_load_gpr_T1(rB(ctx->opcode));
604 gen_op_or();
605 }
606 if (Rc(ctx->opcode) != 0)
607 gen_op_set_Rc0();
608 gen_op_store_T0_gpr(rA(ctx->opcode));
609}
610
79aceca5
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611/* orc & orc. */
612GEN_LOGICAL2(orc, 0x0C);
613/* xor & xor. */
9a64fbe4
FB
614GEN_HANDLER(xor, 0x1F, 0x1C, 0x09, 0x00000000, PPC_INTEGER)
615{
616 gen_op_load_gpr_T0(rS(ctx->opcode));
617 /* Optimisation for "set to zero" case */
618 if (rS(ctx->opcode) != rB(ctx->opcode)) {
619 gen_op_load_gpr_T1(rB(ctx->opcode));
620 gen_op_xor();
621 } else {
622 gen_op_set_T0(0);
623 }
624 if (Rc(ctx->opcode) != 0)
625 gen_op_set_Rc0();
626 gen_op_store_T0_gpr(rA(ctx->opcode));
627}
79aceca5
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628/* ori */
629GEN_HANDLER(ori, 0x18, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
630{
631 uint32_t uimm = UIMM(ctx->opcode);
632
9a64fbe4
FB
633 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
634 /* NOP */
635 return;
79aceca5 636 }
79aceca5 637 gen_op_load_gpr_T0(rS(ctx->opcode));
9a64fbe4 638 if (uimm != 0)
79aceca5
FB
639 gen_op_ori(uimm);
640 gen_op_store_T0_gpr(rA(ctx->opcode));
79aceca5
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641}
642/* oris */
643GEN_HANDLER(oris, 0x19, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
644{
645 uint32_t uimm = UIMM(ctx->opcode);
646
9a64fbe4
FB
647 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
648 /* NOP */
649 return;
79aceca5 650 }
79aceca5 651 gen_op_load_gpr_T0(rS(ctx->opcode));
9a64fbe4 652 if (uimm != 0)
79aceca5
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653 gen_op_ori(uimm << 16);
654 gen_op_store_T0_gpr(rA(ctx->opcode));
79aceca5
FB
655}
656/* xori */
657GEN_HANDLER(xori, 0x1A, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
658{
9a64fbe4
FB
659 uint32_t uimm = UIMM(ctx->opcode);
660
661 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
662 /* NOP */
663 return;
664 }
79aceca5 665 gen_op_load_gpr_T0(rS(ctx->opcode));
9a64fbe4 666 if (uimm != 0)
4b3686fa 667 gen_op_xori(uimm);
79aceca5 668 gen_op_store_T0_gpr(rA(ctx->opcode));
79aceca5
FB
669}
670
671/* xoris */
672GEN_HANDLER(xoris, 0x1B, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
673{
9a64fbe4
FB
674 uint32_t uimm = UIMM(ctx->opcode);
675
676 if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
677 /* NOP */
678 return;
679 }
79aceca5 680 gen_op_load_gpr_T0(rS(ctx->opcode));
9a64fbe4 681 if (uimm != 0)
4b3686fa 682 gen_op_xori(uimm << 16);
79aceca5 683 gen_op_store_T0_gpr(rA(ctx->opcode));
79aceca5
FB
684}
685
686/*** Integer rotate ***/
687/* rlwimi & rlwimi. */
688GEN_HANDLER(rlwimi, 0x14, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
689{
690 uint32_t mb, me;
691
692 mb = MB(ctx->opcode);
693 me = ME(ctx->opcode);
694 gen_op_load_gpr_T0(rS(ctx->opcode));
fb0eaffc 695 gen_op_load_gpr_T1(rA(ctx->opcode));
79aceca5
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696 gen_op_rlwimi(SH(ctx->opcode), MASK(mb, me), ~MASK(mb, me));
697 if (Rc(ctx->opcode) != 0)
698 gen_op_set_Rc0();
699 gen_op_store_T0_gpr(rA(ctx->opcode));
79aceca5
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700}
701/* rlwinm & rlwinm. */
702GEN_HANDLER(rlwinm, 0x15, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
703{
704 uint32_t mb, me, sh;
705
706 sh = SH(ctx->opcode);
707 mb = MB(ctx->opcode);
708 me = ME(ctx->opcode);
709 gen_op_load_gpr_T0(rS(ctx->opcode));
4b3686fa
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710#if 1 // TRY
711 if (sh == 0) {
712 gen_op_andi_(MASK(mb, me));
713 goto store;
714 }
715#endif
79aceca5
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716 if (mb == 0) {
717 if (me == 31) {
718 gen_op_rotlwi(sh);
719 goto store;
4b3686fa 720#if 0
79aceca5
FB
721 } else if (me == (31 - sh)) {
722 gen_op_slwi(sh);
723 goto store;
4b3686fa 724#endif
79aceca5
FB
725 }
726 } else if (me == 31) {
4b3686fa 727#if 0
79aceca5
FB
728 if (sh == (32 - mb)) {
729 gen_op_srwi(mb);
730 goto store;
79aceca5 731 }
4b3686fa 732#endif
79aceca5
FB
733 }
734 gen_op_rlwinm(sh, MASK(mb, me));
735store:
736 if (Rc(ctx->opcode) != 0)
737 gen_op_set_Rc0();
738 gen_op_store_T0_gpr(rA(ctx->opcode));
79aceca5
FB
739}
740/* rlwnm & rlwnm. */
741GEN_HANDLER(rlwnm, 0x17, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
742{
743 uint32_t mb, me;
744
745 mb = MB(ctx->opcode);
746 me = ME(ctx->opcode);
747 gen_op_load_gpr_T0(rS(ctx->opcode));
748 gen_op_load_gpr_T1(rB(ctx->opcode));
749 if (mb == 0 && me == 31) {
750 gen_op_rotl();
751 } else
752 {
753 gen_op_rlwnm(MASK(mb, me));
754 }
755 if (Rc(ctx->opcode) != 0)
756 gen_op_set_Rc0();
757 gen_op_store_T0_gpr(rA(ctx->opcode));
79aceca5
FB
758}
759
760/*** Integer shift ***/
761/* slw & slw. */
762__GEN_LOGICAL2(slw, 0x18, 0x00);
763/* sraw & sraw. */
764__GEN_LOGICAL2(sraw, 0x18, 0x18);
765/* srawi & srawi. */
766GEN_HANDLER(srawi, 0x1F, 0x18, 0x19, 0x00000000, PPC_INTEGER)
767{
768 gen_op_load_gpr_T0(rS(ctx->opcode));
4ecc3190 769 if (SH(ctx->opcode) != 0)
79aceca5
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770 gen_op_srawi(SH(ctx->opcode), MASK(32 - SH(ctx->opcode), 31));
771 if (Rc(ctx->opcode) != 0)
772 gen_op_set_Rc0();
773 gen_op_store_T0_gpr(rA(ctx->opcode));
79aceca5
FB
774}
775/* srw & srw. */
776__GEN_LOGICAL2(srw, 0x18, 0x10);
777
778/*** Floating-Point arithmetic ***/
4ecc3190 779#define _GEN_FLOAT_ACB(name, op, op1, op2, isfloat) \
9a64fbe4
FB
780GEN_HANDLER(f##name, op1, op2, 0xFF, 0x00000000, PPC_FLOAT) \
781{ \
3cc62370
FB
782 if (!ctx->fpu_enabled) { \
783 RET_EXCP(ctx, EXCP_NO_FP, 0); \
784 return; \
785 } \
9a64fbe4
FB
786 gen_op_reset_scrfx(); \
787 gen_op_load_fpr_FT0(rA(ctx->opcode)); \
788 gen_op_load_fpr_FT1(rC(ctx->opcode)); \
789 gen_op_load_fpr_FT2(rB(ctx->opcode)); \
4ecc3190
FB
790 gen_op_f##op(); \
791 if (isfloat) { \
792 gen_op_frsp(); \
793 } \
9a64fbe4
FB
794 gen_op_store_FT0_fpr(rD(ctx->opcode)); \
795 if (Rc(ctx->opcode)) \
796 gen_op_set_Rc1(); \
797}
798
799#define GEN_FLOAT_ACB(name, op2) \
4ecc3190
FB
800_GEN_FLOAT_ACB(name, name, 0x3F, op2, 0); \
801_GEN_FLOAT_ACB(name##s, name, 0x3B, op2, 1);
9a64fbe4 802
4ecc3190 803#define _GEN_FLOAT_AB(name, op, op1, op2, inval, isfloat) \
9a64fbe4
FB
804GEN_HANDLER(f##name, op1, op2, 0xFF, inval, PPC_FLOAT) \
805{ \
3cc62370
FB
806 if (!ctx->fpu_enabled) { \
807 RET_EXCP(ctx, EXCP_NO_FP, 0); \
808 return; \
809 } \
9a64fbe4
FB
810 gen_op_reset_scrfx(); \
811 gen_op_load_fpr_FT0(rA(ctx->opcode)); \
812 gen_op_load_fpr_FT1(rB(ctx->opcode)); \
4ecc3190
FB
813 gen_op_f##op(); \
814 if (isfloat) { \
815 gen_op_frsp(); \
816 } \
9a64fbe4
FB
817 gen_op_store_FT0_fpr(rD(ctx->opcode)); \
818 if (Rc(ctx->opcode)) \
819 gen_op_set_Rc1(); \
820}
821#define GEN_FLOAT_AB(name, op2, inval) \
4ecc3190
FB
822_GEN_FLOAT_AB(name, name, 0x3F, op2, inval, 0); \
823_GEN_FLOAT_AB(name##s, name, 0x3B, op2, inval, 1);
9a64fbe4 824
4ecc3190 825#define _GEN_FLOAT_AC(name, op, op1, op2, inval, isfloat) \
9a64fbe4
FB
826GEN_HANDLER(f##name, op1, op2, 0xFF, inval, PPC_FLOAT) \
827{ \
3cc62370
FB
828 if (!ctx->fpu_enabled) { \
829 RET_EXCP(ctx, EXCP_NO_FP, 0); \
830 return; \
831 } \
9a64fbe4
FB
832 gen_op_reset_scrfx(); \
833 gen_op_load_fpr_FT0(rA(ctx->opcode)); \
834 gen_op_load_fpr_FT1(rC(ctx->opcode)); \
4ecc3190
FB
835 gen_op_f##op(); \
836 if (isfloat) { \
837 gen_op_frsp(); \
838 } \
9a64fbe4
FB
839 gen_op_store_FT0_fpr(rD(ctx->opcode)); \
840 if (Rc(ctx->opcode)) \
841 gen_op_set_Rc1(); \
842}
843#define GEN_FLOAT_AC(name, op2, inval) \
4ecc3190
FB
844_GEN_FLOAT_AC(name, name, 0x3F, op2, inval, 0); \
845_GEN_FLOAT_AC(name##s, name, 0x3B, op2, inval, 1);
9a64fbe4
FB
846
847#define GEN_FLOAT_B(name, op2, op3) \
848GEN_HANDLER(f##name, 0x3F, op2, op3, 0x001F0000, PPC_FLOAT) \
849{ \
3cc62370
FB
850 if (!ctx->fpu_enabled) { \
851 RET_EXCP(ctx, EXCP_NO_FP, 0); \
852 return; \
853 } \
9a64fbe4
FB
854 gen_op_reset_scrfx(); \
855 gen_op_load_fpr_FT0(rB(ctx->opcode)); \
856 gen_op_f##name(); \
857 gen_op_store_FT0_fpr(rD(ctx->opcode)); \
858 if (Rc(ctx->opcode)) \
859 gen_op_set_Rc1(); \
79aceca5
FB
860}
861
4ecc3190
FB
862#define GEN_FLOAT_BS(name, op1, op2) \
863GEN_HANDLER(f##name, op1, op2, 0xFF, 0x001F07C0, PPC_FLOAT) \
9a64fbe4 864{ \
3cc62370
FB
865 if (!ctx->fpu_enabled) { \
866 RET_EXCP(ctx, EXCP_NO_FP, 0); \
867 return; \
868 } \
9a64fbe4
FB
869 gen_op_reset_scrfx(); \
870 gen_op_load_fpr_FT0(rB(ctx->opcode)); \
871 gen_op_f##name(); \
872 gen_op_store_FT0_fpr(rD(ctx->opcode)); \
873 if (Rc(ctx->opcode)) \
874 gen_op_set_Rc1(); \
79aceca5
FB
875}
876
9a64fbe4
FB
877/* fadd - fadds */
878GEN_FLOAT_AB(add, 0x15, 0x000007C0);
4ecc3190 879/* fdiv - fdivs */
9a64fbe4 880GEN_FLOAT_AB(div, 0x12, 0x000007C0);
4ecc3190 881/* fmul - fmuls */
9a64fbe4 882GEN_FLOAT_AC(mul, 0x19, 0x0000F800);
79aceca5
FB
883
884/* fres */
4ecc3190 885GEN_FLOAT_BS(res, 0x3B, 0x18);
79aceca5
FB
886
887/* frsqrte */
4ecc3190 888GEN_FLOAT_BS(rsqrte, 0x3F, 0x1A);
79aceca5
FB
889
890/* fsel */
4ecc3190
FB
891_GEN_FLOAT_ACB(sel, sel, 0x3F, 0x17, 0);
892/* fsub - fsubs */
9a64fbe4 893GEN_FLOAT_AB(sub, 0x14, 0x000007C0);
79aceca5
FB
894/* Optional: */
895/* fsqrt */
c7d344af
FB
896GEN_HANDLER(fsqrt, 0x3F, 0x16, 0xFF, 0x001F07C0, PPC_FLOAT_OPT)
897{
898 if (!ctx->fpu_enabled) {
899 RET_EXCP(ctx, EXCP_NO_FP, 0);
900 return;
901 }
902 gen_op_reset_scrfx();
903 gen_op_load_fpr_FT0(rB(ctx->opcode));
904 gen_op_fsqrt();
905 gen_op_store_FT0_fpr(rD(ctx->opcode));
906 if (Rc(ctx->opcode))
907 gen_op_set_Rc1();
908}
79aceca5 909
9a64fbe4 910GEN_HANDLER(fsqrts, 0x3B, 0x16, 0xFF, 0x001F07C0, PPC_FLOAT_OPT)
79aceca5 911{
3cc62370
FB
912 if (!ctx->fpu_enabled) {
913 RET_EXCP(ctx, EXCP_NO_FP, 0);
914 return;
915 }
9a64fbe4
FB
916 gen_op_reset_scrfx();
917 gen_op_load_fpr_FT0(rB(ctx->opcode));
4ecc3190
FB
918 gen_op_fsqrt();
919 gen_op_frsp();
9a64fbe4
FB
920 gen_op_store_FT0_fpr(rD(ctx->opcode));
921 if (Rc(ctx->opcode))
922 gen_op_set_Rc1();
79aceca5
FB
923}
924
925/*** Floating-Point multiply-and-add ***/
4ecc3190 926/* fmadd - fmadds */
9a64fbe4 927GEN_FLOAT_ACB(madd, 0x1D);
4ecc3190 928/* fmsub - fmsubs */
9a64fbe4 929GEN_FLOAT_ACB(msub, 0x1C);
4ecc3190 930/* fnmadd - fnmadds */
9a64fbe4 931GEN_FLOAT_ACB(nmadd, 0x1F);
4ecc3190 932/* fnmsub - fnmsubs */
9a64fbe4 933GEN_FLOAT_ACB(nmsub, 0x1E);
79aceca5
FB
934
935/*** Floating-Point round & convert ***/
936/* fctiw */
9a64fbe4 937GEN_FLOAT_B(ctiw, 0x0E, 0x00);
79aceca5 938/* fctiwz */
9a64fbe4 939GEN_FLOAT_B(ctiwz, 0x0F, 0x00);
79aceca5 940/* frsp */
9a64fbe4 941GEN_FLOAT_B(rsp, 0x0C, 0x00);
79aceca5
FB
942
943/*** Floating-Point compare ***/
944/* fcmpo */
945GEN_HANDLER(fcmpo, 0x3F, 0x00, 0x00, 0x00600001, PPC_FLOAT)
946{
3cc62370
FB
947 if (!ctx->fpu_enabled) {
948 RET_EXCP(ctx, EXCP_NO_FP, 0);
949 return;
950 }
9a64fbe4
FB
951 gen_op_reset_scrfx();
952 gen_op_load_fpr_FT0(rA(ctx->opcode));
953 gen_op_load_fpr_FT1(rB(ctx->opcode));
954 gen_op_fcmpo();
955 gen_op_store_T0_crf(crfD(ctx->opcode));
79aceca5
FB
956}
957
958/* fcmpu */
959GEN_HANDLER(fcmpu, 0x3F, 0x00, 0x01, 0x00600001, PPC_FLOAT)
960{
3cc62370
FB
961 if (!ctx->fpu_enabled) {
962 RET_EXCP(ctx, EXCP_NO_FP, 0);
963 return;
964 }
9a64fbe4
FB
965 gen_op_reset_scrfx();
966 gen_op_load_fpr_FT0(rA(ctx->opcode));
967 gen_op_load_fpr_FT1(rB(ctx->opcode));
968 gen_op_fcmpu();
969 gen_op_store_T0_crf(crfD(ctx->opcode));
79aceca5
FB
970}
971
9a64fbe4
FB
972/*** Floating-point move ***/
973/* fabs */
974GEN_FLOAT_B(abs, 0x08, 0x08);
975
976/* fmr - fmr. */
977GEN_HANDLER(fmr, 0x3F, 0x08, 0x02, 0x001F0000, PPC_FLOAT)
978{
3cc62370
FB
979 if (!ctx->fpu_enabled) {
980 RET_EXCP(ctx, EXCP_NO_FP, 0);
981 return;
982 }
9a64fbe4
FB
983 gen_op_reset_scrfx();
984 gen_op_load_fpr_FT0(rB(ctx->opcode));
985 gen_op_store_FT0_fpr(rD(ctx->opcode));
986 if (Rc(ctx->opcode))
987 gen_op_set_Rc1();
988}
989
990/* fnabs */
991GEN_FLOAT_B(nabs, 0x08, 0x04);
992/* fneg */
993GEN_FLOAT_B(neg, 0x08, 0x01);
994
79aceca5
FB
995/*** Floating-Point status & ctrl register ***/
996/* mcrfs */
997GEN_HANDLER(mcrfs, 0x3F, 0x00, 0x02, 0x0063F801, PPC_FLOAT)
998{
3cc62370
FB
999 if (!ctx->fpu_enabled) {
1000 RET_EXCP(ctx, EXCP_NO_FP, 0);
1001 return;
1002 }
fb0eaffc
FB
1003 gen_op_load_fpscr_T0(crfS(ctx->opcode));
1004 gen_op_store_T0_crf(crfD(ctx->opcode));
1005 gen_op_clear_fpscr(crfS(ctx->opcode));
79aceca5
FB
1006}
1007
1008/* mffs */
1009GEN_HANDLER(mffs, 0x3F, 0x07, 0x12, 0x001FF800, PPC_FLOAT)
1010{
3cc62370
FB
1011 if (!ctx->fpu_enabled) {
1012 RET_EXCP(ctx, EXCP_NO_FP, 0);
1013 return;
1014 }
28b6751f 1015 gen_op_load_fpscr();
fb0eaffc
FB
1016 gen_op_store_FT0_fpr(rD(ctx->opcode));
1017 if (Rc(ctx->opcode))
1018 gen_op_set_Rc1();
79aceca5
FB
1019}
1020
1021/* mtfsb0 */
1022GEN_HANDLER(mtfsb0, 0x3F, 0x06, 0x02, 0x001FF800, PPC_FLOAT)
1023{
fb0eaffc
FB
1024 uint8_t crb;
1025
3cc62370
FB
1026 if (!ctx->fpu_enabled) {
1027 RET_EXCP(ctx, EXCP_NO_FP, 0);
1028 return;
1029 }
fb0eaffc
FB
1030 crb = crbD(ctx->opcode) >> 2;
1031 gen_op_load_fpscr_T0(crb);
1032 gen_op_andi_(~(1 << (crbD(ctx->opcode) & 0x03)));
1033 gen_op_store_T0_fpscr(crb);
1034 if (Rc(ctx->opcode))
1035 gen_op_set_Rc1();
79aceca5
FB
1036}
1037
1038/* mtfsb1 */
1039GEN_HANDLER(mtfsb1, 0x3F, 0x06, 0x01, 0x001FF800, PPC_FLOAT)
1040{
fb0eaffc
FB
1041 uint8_t crb;
1042
3cc62370
FB
1043 if (!ctx->fpu_enabled) {
1044 RET_EXCP(ctx, EXCP_NO_FP, 0);
1045 return;
1046 }
fb0eaffc
FB
1047 crb = crbD(ctx->opcode) >> 2;
1048 gen_op_load_fpscr_T0(crb);
1049 gen_op_ori(1 << (crbD(ctx->opcode) & 0x03));
1050 gen_op_store_T0_fpscr(crb);
1051 if (Rc(ctx->opcode))
1052 gen_op_set_Rc1();
79aceca5
FB
1053}
1054
1055/* mtfsf */
1056GEN_HANDLER(mtfsf, 0x3F, 0x07, 0x16, 0x02010000, PPC_FLOAT)
1057{
3cc62370
FB
1058 if (!ctx->fpu_enabled) {
1059 RET_EXCP(ctx, EXCP_NO_FP, 0);
1060 return;
1061 }
fb0eaffc 1062 gen_op_load_fpr_FT0(rB(ctx->opcode));
28b6751f 1063 gen_op_store_fpscr(FM(ctx->opcode));
fb0eaffc
FB
1064 if (Rc(ctx->opcode))
1065 gen_op_set_Rc1();
79aceca5
FB
1066}
1067
1068/* mtfsfi */
1069GEN_HANDLER(mtfsfi, 0x3F, 0x06, 0x04, 0x006f0800, PPC_FLOAT)
1070{
3cc62370
FB
1071 if (!ctx->fpu_enabled) {
1072 RET_EXCP(ctx, EXCP_NO_FP, 0);
1073 return;
1074 }
fb0eaffc
FB
1075 gen_op_store_T0_fpscri(crbD(ctx->opcode) >> 2, FPIMM(ctx->opcode));
1076 if (Rc(ctx->opcode))
1077 gen_op_set_Rc1();
79aceca5
FB
1078}
1079
1080/*** Integer load ***/
111bfab3 1081#define op_ldst(name) (*gen_op_##name[ctx->mem_idx])()
9a64fbe4 1082#if defined(CONFIG_USER_ONLY)
111bfab3
FB
1083#define OP_LD_TABLE(width) \
1084static GenOpFunc *gen_op_l##width[] = { \
1085 &gen_op_l##width##_raw, \
1086 &gen_op_l##width##_le_raw, \
1087};
1088#define OP_ST_TABLE(width) \
1089static GenOpFunc *gen_op_st##width[] = { \
1090 &gen_op_st##width##_raw, \
1091 &gen_op_st##width##_le_raw, \
1092};
1093/* Byte access routine are endian safe */
1094#define gen_op_stb_le_raw gen_op_stb_raw
1095#define gen_op_lbz_le_raw gen_op_lbz_raw
9a64fbe4 1096#else
9a64fbe4
FB
1097#define OP_LD_TABLE(width) \
1098static GenOpFunc *gen_op_l##width[] = { \
1099 &gen_op_l##width##_user, \
111bfab3 1100 &gen_op_l##width##_le_user, \
9a64fbe4 1101 &gen_op_l##width##_kernel, \
111bfab3
FB
1102 &gen_op_l##width##_le_kernel, \
1103};
9a64fbe4
FB
1104#define OP_ST_TABLE(width) \
1105static GenOpFunc *gen_op_st##width[] = { \
1106 &gen_op_st##width##_user, \
111bfab3 1107 &gen_op_st##width##_le_user, \
9a64fbe4 1108 &gen_op_st##width##_kernel, \
111bfab3
FB
1109 &gen_op_st##width##_le_kernel, \
1110};
1111/* Byte access routine are endian safe */
1112#define gen_op_stb_le_user gen_op_stb_user
1113#define gen_op_lbz_le_user gen_op_lbz_user
1114#define gen_op_stb_le_kernel gen_op_stb_kernel
1115#define gen_op_lbz_le_kernel gen_op_lbz_kernel
9a64fbe4
FB
1116#endif
1117
1118#define GEN_LD(width, opc) \
79aceca5
FB
1119GEN_HANDLER(l##width, opc, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) \
1120{ \
1121 uint32_t simm = SIMM(ctx->opcode); \
1122 if (rA(ctx->opcode) == 0) { \
9a64fbe4 1123 gen_op_set_T0(simm); \
79aceca5
FB
1124 } else { \
1125 gen_op_load_gpr_T0(rA(ctx->opcode)); \
9a64fbe4
FB
1126 if (simm != 0) \
1127 gen_op_addi(simm); \
79aceca5 1128 } \
9a64fbe4 1129 op_ldst(l##width); \
79aceca5 1130 gen_op_store_T1_gpr(rD(ctx->opcode)); \
79aceca5
FB
1131}
1132
9a64fbe4 1133#define GEN_LDU(width, opc) \
79aceca5
FB
1134GEN_HANDLER(l##width##u, opc, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) \
1135{ \
9a64fbe4 1136 uint32_t simm = SIMM(ctx->opcode); \
79aceca5 1137 if (rA(ctx->opcode) == 0 || \
9a64fbe4 1138 rA(ctx->opcode) == rD(ctx->opcode)) { \
9fddaa0c
FB
1139 RET_INVAL(ctx); \
1140 return; \
9a64fbe4 1141 } \
79aceca5 1142 gen_op_load_gpr_T0(rA(ctx->opcode)); \
9a64fbe4
FB
1143 if (simm != 0) \
1144 gen_op_addi(simm); \
1145 op_ldst(l##width); \
79aceca5
FB
1146 gen_op_store_T1_gpr(rD(ctx->opcode)); \
1147 gen_op_store_T0_gpr(rA(ctx->opcode)); \
79aceca5
FB
1148}
1149
9a64fbe4 1150#define GEN_LDUX(width, opc) \
79aceca5
FB
1151GEN_HANDLER(l##width##ux, 0x1F, 0x17, opc, 0x00000001, PPC_INTEGER) \
1152{ \
1153 if (rA(ctx->opcode) == 0 || \
9a64fbe4 1154 rA(ctx->opcode) == rD(ctx->opcode)) { \
9fddaa0c
FB
1155 RET_INVAL(ctx); \
1156 return; \
9a64fbe4 1157 } \
79aceca5
FB
1158 gen_op_load_gpr_T0(rA(ctx->opcode)); \
1159 gen_op_load_gpr_T1(rB(ctx->opcode)); \
9a64fbe4
FB
1160 gen_op_add(); \
1161 op_ldst(l##width); \
79aceca5
FB
1162 gen_op_store_T1_gpr(rD(ctx->opcode)); \
1163 gen_op_store_T0_gpr(rA(ctx->opcode)); \
79aceca5
FB
1164}
1165
9a64fbe4 1166#define GEN_LDX(width, opc2, opc3) \
79aceca5
FB
1167GEN_HANDLER(l##width##x, 0x1F, opc2, opc3, 0x00000001, PPC_INTEGER) \
1168{ \
1169 if (rA(ctx->opcode) == 0) { \
1170 gen_op_load_gpr_T0(rB(ctx->opcode)); \
79aceca5
FB
1171 } else { \
1172 gen_op_load_gpr_T0(rA(ctx->opcode)); \
1173 gen_op_load_gpr_T1(rB(ctx->opcode)); \
9a64fbe4 1174 gen_op_add(); \
79aceca5 1175 } \
9a64fbe4 1176 op_ldst(l##width); \
79aceca5 1177 gen_op_store_T1_gpr(rD(ctx->opcode)); \
79aceca5
FB
1178}
1179
9a64fbe4
FB
1180#define GEN_LDS(width, op) \
1181OP_LD_TABLE(width); \
1182GEN_LD(width, op | 0x20); \
1183GEN_LDU(width, op | 0x21); \
1184GEN_LDUX(width, op | 0x01); \
1185GEN_LDX(width, 0x17, op | 0x00)
79aceca5
FB
1186
1187/* lbz lbzu lbzux lbzx */
9a64fbe4 1188GEN_LDS(bz, 0x02);
79aceca5 1189/* lha lhau lhaux lhax */
9a64fbe4 1190GEN_LDS(ha, 0x0A);
79aceca5 1191/* lhz lhzu lhzux lhzx */
9a64fbe4 1192GEN_LDS(hz, 0x08);
79aceca5 1193/* lwz lwzu lwzux lwzx */
9a64fbe4 1194GEN_LDS(wz, 0x00);
79aceca5
FB
1195
1196/*** Integer store ***/
9a64fbe4 1197#define GEN_ST(width, opc) \
79aceca5
FB
1198GEN_HANDLER(st##width, opc, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) \
1199{ \
1200 uint32_t simm = SIMM(ctx->opcode); \
1201 if (rA(ctx->opcode) == 0) { \
9a64fbe4 1202 gen_op_set_T0(simm); \
79aceca5
FB
1203 } else { \
1204 gen_op_load_gpr_T0(rA(ctx->opcode)); \
9a64fbe4
FB
1205 if (simm != 0) \
1206 gen_op_addi(simm); \
79aceca5 1207 } \
9a64fbe4
FB
1208 gen_op_load_gpr_T1(rS(ctx->opcode)); \
1209 op_ldst(st##width); \
79aceca5
FB
1210}
1211
9a64fbe4 1212#define GEN_STU(width, opc) \
79aceca5
FB
1213GEN_HANDLER(st##width##u, opc, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) \
1214{ \
9a64fbe4
FB
1215 uint32_t simm = SIMM(ctx->opcode); \
1216 if (rA(ctx->opcode) == 0) { \
9fddaa0c
FB
1217 RET_INVAL(ctx); \
1218 return; \
9a64fbe4 1219 } \
79aceca5 1220 gen_op_load_gpr_T0(rA(ctx->opcode)); \
9a64fbe4
FB
1221 if (simm != 0) \
1222 gen_op_addi(simm); \
79aceca5 1223 gen_op_load_gpr_T1(rS(ctx->opcode)); \
9a64fbe4 1224 op_ldst(st##width); \
79aceca5 1225 gen_op_store_T0_gpr(rA(ctx->opcode)); \
79aceca5
FB
1226}
1227
9a64fbe4 1228#define GEN_STUX(width, opc) \
79aceca5
FB
1229GEN_HANDLER(st##width##ux, 0x1F, 0x17, opc, 0x00000001, PPC_INTEGER) \
1230{ \
9a64fbe4 1231 if (rA(ctx->opcode) == 0) { \
9fddaa0c
FB
1232 RET_INVAL(ctx); \
1233 return; \
9a64fbe4 1234 } \
79aceca5
FB
1235 gen_op_load_gpr_T0(rA(ctx->opcode)); \
1236 gen_op_load_gpr_T1(rB(ctx->opcode)); \
9a64fbe4
FB
1237 gen_op_add(); \
1238 gen_op_load_gpr_T1(rS(ctx->opcode)); \
1239 op_ldst(st##width); \
79aceca5 1240 gen_op_store_T0_gpr(rA(ctx->opcode)); \
79aceca5
FB
1241}
1242
9a64fbe4 1243#define GEN_STX(width, opc2, opc3) \
79aceca5
FB
1244GEN_HANDLER(st##width##x, 0x1F, opc2, opc3, 0x00000001, PPC_INTEGER) \
1245{ \
1246 if (rA(ctx->opcode) == 0) { \
1247 gen_op_load_gpr_T0(rB(ctx->opcode)); \
79aceca5
FB
1248 } else { \
1249 gen_op_load_gpr_T0(rA(ctx->opcode)); \
1250 gen_op_load_gpr_T1(rB(ctx->opcode)); \
9a64fbe4 1251 gen_op_add(); \
79aceca5 1252 } \
9a64fbe4
FB
1253 gen_op_load_gpr_T1(rS(ctx->opcode)); \
1254 op_ldst(st##width); \
79aceca5
FB
1255}
1256
9a64fbe4
FB
1257#define GEN_STS(width, op) \
1258OP_ST_TABLE(width); \
1259GEN_ST(width, op | 0x20); \
1260GEN_STU(width, op | 0x21); \
1261GEN_STUX(width, op | 0x01); \
1262GEN_STX(width, 0x17, op | 0x00)
79aceca5
FB
1263
1264/* stb stbu stbux stbx */
9a64fbe4 1265GEN_STS(b, 0x06);
79aceca5 1266/* sth sthu sthux sthx */
9a64fbe4 1267GEN_STS(h, 0x0C);
79aceca5 1268/* stw stwu stwux stwx */
9a64fbe4 1269GEN_STS(w, 0x04);
79aceca5
FB
1270
1271/*** Integer load and store with byte reverse ***/
1272/* lhbrx */
9a64fbe4
FB
1273OP_LD_TABLE(hbr);
1274GEN_LDX(hbr, 0x16, 0x18);
79aceca5 1275/* lwbrx */
9a64fbe4
FB
1276OP_LD_TABLE(wbr);
1277GEN_LDX(wbr, 0x16, 0x10);
79aceca5 1278/* sthbrx */
9a64fbe4
FB
1279OP_ST_TABLE(hbr);
1280GEN_STX(hbr, 0x16, 0x1C);
79aceca5 1281/* stwbrx */
9a64fbe4
FB
1282OP_ST_TABLE(wbr);
1283GEN_STX(wbr, 0x16, 0x14);
79aceca5
FB
1284
1285/*** Integer load and store multiple ***/
111bfab3 1286#define op_ldstm(name, reg) (*gen_op_##name[ctx->mem_idx])(reg)
9a64fbe4 1287#if defined(CONFIG_USER_ONLY)
111bfab3
FB
1288static GenOpFunc1 *gen_op_lmw[] = {
1289 &gen_op_lmw_raw,
1290 &gen_op_lmw_le_raw,
1291};
1292static GenOpFunc1 *gen_op_stmw[] = {
1293 &gen_op_stmw_raw,
1294 &gen_op_stmw_le_raw,
1295};
9a64fbe4 1296#else
9a64fbe4
FB
1297static GenOpFunc1 *gen_op_lmw[] = {
1298 &gen_op_lmw_user,
111bfab3 1299 &gen_op_lmw_le_user,
9a64fbe4 1300 &gen_op_lmw_kernel,
111bfab3 1301 &gen_op_lmw_le_kernel,
9a64fbe4
FB
1302};
1303static GenOpFunc1 *gen_op_stmw[] = {
1304 &gen_op_stmw_user,
111bfab3 1305 &gen_op_stmw_le_user,
9a64fbe4 1306 &gen_op_stmw_kernel,
111bfab3 1307 &gen_op_stmw_le_kernel,
9a64fbe4
FB
1308};
1309#endif
1310
79aceca5
FB
1311/* lmw */
1312GEN_HANDLER(lmw, 0x2E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
1313{
9a64fbe4
FB
1314 int simm = SIMM(ctx->opcode);
1315
79aceca5 1316 if (rA(ctx->opcode) == 0) {
9a64fbe4 1317 gen_op_set_T0(simm);
79aceca5
FB
1318 } else {
1319 gen_op_load_gpr_T0(rA(ctx->opcode));
9a64fbe4
FB
1320 if (simm != 0)
1321 gen_op_addi(simm);
79aceca5 1322 }
9a64fbe4 1323 op_ldstm(lmw, rD(ctx->opcode));
79aceca5
FB
1324}
1325
1326/* stmw */
1327GEN_HANDLER(stmw, 0x2F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
1328{
9a64fbe4
FB
1329 int simm = SIMM(ctx->opcode);
1330
79aceca5 1331 if (rA(ctx->opcode) == 0) {
9a64fbe4 1332 gen_op_set_T0(simm);
79aceca5
FB
1333 } else {
1334 gen_op_load_gpr_T0(rA(ctx->opcode));
9a64fbe4
FB
1335 if (simm != 0)
1336 gen_op_addi(simm);
79aceca5 1337 }
9a64fbe4 1338 op_ldstm(stmw, rS(ctx->opcode));
79aceca5
FB
1339}
1340
1341/*** Integer load and store strings ***/
9a64fbe4
FB
1342#define op_ldsts(name, start) (*gen_op_##name[ctx->mem_idx])(start)
1343#define op_ldstsx(name, rd, ra, rb) (*gen_op_##name[ctx->mem_idx])(rd, ra, rb)
111bfab3
FB
1344#if defined(CONFIG_USER_ONLY)
1345static GenOpFunc1 *gen_op_lswi[] = {
1346 &gen_op_lswi_raw,
1347 &gen_op_lswi_le_raw,
1348};
1349static GenOpFunc3 *gen_op_lswx[] = {
1350 &gen_op_lswx_raw,
1351 &gen_op_lswx_le_raw,
1352};
1353static GenOpFunc1 *gen_op_stsw[] = {
1354 &gen_op_stsw_raw,
1355 &gen_op_stsw_le_raw,
1356};
1357#else
9a64fbe4
FB
1358static GenOpFunc1 *gen_op_lswi[] = {
1359 &gen_op_lswi_user,
111bfab3 1360 &gen_op_lswi_le_user,
9a64fbe4 1361 &gen_op_lswi_kernel,
111bfab3 1362 &gen_op_lswi_le_kernel,
9a64fbe4
FB
1363};
1364static GenOpFunc3 *gen_op_lswx[] = {
1365 &gen_op_lswx_user,
111bfab3 1366 &gen_op_lswx_le_user,
9a64fbe4 1367 &gen_op_lswx_kernel,
111bfab3 1368 &gen_op_lswx_le_kernel,
9a64fbe4
FB
1369};
1370static GenOpFunc1 *gen_op_stsw[] = {
1371 &gen_op_stsw_user,
111bfab3 1372 &gen_op_stsw_le_user,
9a64fbe4 1373 &gen_op_stsw_kernel,
111bfab3 1374 &gen_op_stsw_le_kernel,
9a64fbe4
FB
1375};
1376#endif
1377
79aceca5 1378/* lswi */
3fc6c082 1379/* PowerPC32 specification says we must generate an exception if
9a64fbe4
FB
1380 * rA is in the range of registers to be loaded.
1381 * In an other hand, IBM says this is valid, but rA won't be loaded.
1382 * For now, I'll follow the spec...
1383 */
79aceca5
FB
1384GEN_HANDLER(lswi, 0x1F, 0x15, 0x12, 0x00000001, PPC_INTEGER)
1385{
1386 int nb = NB(ctx->opcode);
1387 int start = rD(ctx->opcode);
9a64fbe4 1388 int ra = rA(ctx->opcode);
79aceca5
FB
1389 int nr;
1390
1391 if (nb == 0)
1392 nb = 32;
1393 nr = nb / 4;
297d8e62
FB
1394 if (((start + nr) > 32 && start <= ra && (start + nr - 32) > ra) ||
1395 ((start + nr) <= 32 && start <= ra && (start + nr) > ra)) {
9fddaa0c
FB
1396 RET_EXCP(ctx, EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_LSWX);
1397 return;
297d8e62 1398 }
9a64fbe4 1399 if (ra == 0) {
79aceca5
FB
1400 gen_op_set_T0(0);
1401 } else {
9a64fbe4 1402 gen_op_load_gpr_T0(ra);
79aceca5 1403 }
9a64fbe4 1404 gen_op_set_T1(nb);
8dd4983c
FB
1405 /* NIP cannot be restored if the memory exception comes from an helper */
1406 gen_op_update_nip((ctx)->nip - 4);
9a64fbe4 1407 op_ldsts(lswi, start);
79aceca5
FB
1408}
1409
1410/* lswx */
1411GEN_HANDLER(lswx, 0x1F, 0x15, 0x10, 0x00000001, PPC_INTEGER)
1412{
9a64fbe4
FB
1413 int ra = rA(ctx->opcode);
1414 int rb = rB(ctx->opcode);
1415
1416 if (ra == 0) {
1417 gen_op_load_gpr_T0(rb);
1418 ra = rb;
79aceca5 1419 } else {
9a64fbe4
FB
1420 gen_op_load_gpr_T0(ra);
1421 gen_op_load_gpr_T1(rb);
1422 gen_op_add();
79aceca5 1423 }
9a64fbe4 1424 gen_op_load_xer_bc();
8dd4983c
FB
1425 /* NIP cannot be restored if the memory exception comes from an helper */
1426 gen_op_update_nip((ctx)->nip - 4);
9a64fbe4 1427 op_ldstsx(lswx, rD(ctx->opcode), ra, rb);
79aceca5
FB
1428}
1429
1430/* stswi */
1431GEN_HANDLER(stswi, 0x1F, 0x15, 0x16, 0x00000001, PPC_INTEGER)
1432{
4b3686fa
FB
1433 int nb = NB(ctx->opcode);
1434
79aceca5
FB
1435 if (rA(ctx->opcode) == 0) {
1436 gen_op_set_T0(0);
1437 } else {
1438 gen_op_load_gpr_T0(rA(ctx->opcode));
1439 }
4b3686fa
FB
1440 if (nb == 0)
1441 nb = 32;
1442 gen_op_set_T1(nb);
8dd4983c
FB
1443 /* NIP cannot be restored if the memory exception comes from an helper */
1444 gen_op_update_nip((ctx)->nip - 4);
9a64fbe4 1445 op_ldsts(stsw, rS(ctx->opcode));
79aceca5
FB
1446}
1447
1448/* stswx */
1449GEN_HANDLER(stswx, 0x1F, 0x15, 0x14, 0x00000001, PPC_INTEGER)
1450{
9a64fbe4
FB
1451 int ra = rA(ctx->opcode);
1452
1453 if (ra == 0) {
1454 gen_op_load_gpr_T0(rB(ctx->opcode));
1455 ra = rB(ctx->opcode);
79aceca5 1456 } else {
9a64fbe4
FB
1457 gen_op_load_gpr_T0(ra);
1458 gen_op_load_gpr_T1(rB(ctx->opcode));
1459 gen_op_add();
79aceca5 1460 }
9a64fbe4 1461 gen_op_load_xer_bc();
8dd4983c
FB
1462 /* NIP cannot be restored if the memory exception comes from an helper */
1463 gen_op_update_nip((ctx)->nip - 4);
9a64fbe4 1464 op_ldsts(stsw, rS(ctx->opcode));
79aceca5
FB
1465}
1466
1467/*** Memory synchronisation ***/
1468/* eieio */
1469GEN_HANDLER(eieio, 0x1F, 0x16, 0x1A, 0x03FF0801, PPC_MEM)
1470{
79aceca5
FB
1471}
1472
1473/* isync */
1474GEN_HANDLER(isync, 0x13, 0x16, 0xFF, 0x03FF0801, PPC_MEM)
1475{
79aceca5
FB
1476}
1477
111bfab3
FB
1478#define op_lwarx() (*gen_op_lwarx[ctx->mem_idx])()
1479#define op_stwcx() (*gen_op_stwcx[ctx->mem_idx])()
9a64fbe4 1480#if defined(CONFIG_USER_ONLY)
111bfab3
FB
1481static GenOpFunc *gen_op_lwarx[] = {
1482 &gen_op_lwarx_raw,
1483 &gen_op_lwarx_le_raw,
1484};
1485static GenOpFunc *gen_op_stwcx[] = {
1486 &gen_op_stwcx_raw,
1487 &gen_op_stwcx_le_raw,
1488};
9a64fbe4 1489#else
985a19d6
FB
1490static GenOpFunc *gen_op_lwarx[] = {
1491 &gen_op_lwarx_user,
111bfab3 1492 &gen_op_lwarx_le_user,
985a19d6 1493 &gen_op_lwarx_kernel,
111bfab3 1494 &gen_op_lwarx_le_kernel,
985a19d6 1495};
9a64fbe4
FB
1496static GenOpFunc *gen_op_stwcx[] = {
1497 &gen_op_stwcx_user,
111bfab3 1498 &gen_op_stwcx_le_user,
9a64fbe4 1499 &gen_op_stwcx_kernel,
111bfab3 1500 &gen_op_stwcx_le_kernel,
9a64fbe4
FB
1501};
1502#endif
1503
111bfab3 1504/* lwarx */
9a64fbe4 1505GEN_HANDLER(lwarx, 0x1F, 0x14, 0xFF, 0x00000001, PPC_RES)
79aceca5 1506{
79aceca5
FB
1507 if (rA(ctx->opcode) == 0) {
1508 gen_op_load_gpr_T0(rB(ctx->opcode));
79aceca5
FB
1509 } else {
1510 gen_op_load_gpr_T0(rA(ctx->opcode));
1511 gen_op_load_gpr_T1(rB(ctx->opcode));
9a64fbe4 1512 gen_op_add();
79aceca5 1513 }
985a19d6 1514 op_lwarx();
79aceca5 1515 gen_op_store_T1_gpr(rD(ctx->opcode));
79aceca5
FB
1516}
1517
1518/* stwcx. */
9a64fbe4 1519GEN_HANDLER(stwcx_, 0x1F, 0x16, 0x04, 0x00000000, PPC_RES)
79aceca5 1520{
79aceca5
FB
1521 if (rA(ctx->opcode) == 0) {
1522 gen_op_load_gpr_T0(rB(ctx->opcode));
79aceca5
FB
1523 } else {
1524 gen_op_load_gpr_T0(rA(ctx->opcode));
1525 gen_op_load_gpr_T1(rB(ctx->opcode));
9a64fbe4 1526 gen_op_add();
79aceca5 1527 }
9a64fbe4
FB
1528 gen_op_load_gpr_T1(rS(ctx->opcode));
1529 op_stwcx();
79aceca5
FB
1530}
1531
1532/* sync */
1533GEN_HANDLER(sync, 0x1F, 0x16, 0x12, 0x03FF0801, PPC_MEM)
1534{
79aceca5
FB
1535}
1536
1537/*** Floating-point load ***/
9a64fbe4 1538#define GEN_LDF(width, opc) \
c7d344af 1539GEN_HANDLER(l##width, opc, 0xFF, 0xFF, 0x00000000, PPC_FLOAT) \
79aceca5
FB
1540{ \
1541 uint32_t simm = SIMM(ctx->opcode); \
4ecc3190
FB
1542 if (!ctx->fpu_enabled) { \
1543 RET_EXCP(ctx, EXCP_NO_FP, 0); \
1544 return; \
1545 } \
79aceca5 1546 if (rA(ctx->opcode) == 0) { \
9a64fbe4 1547 gen_op_set_T0(simm); \
79aceca5
FB
1548 } else { \
1549 gen_op_load_gpr_T0(rA(ctx->opcode)); \
9a64fbe4
FB
1550 if (simm != 0) \
1551 gen_op_addi(simm); \
79aceca5 1552 } \
9a64fbe4
FB
1553 op_ldst(l##width); \
1554 gen_op_store_FT1_fpr(rD(ctx->opcode)); \
79aceca5
FB
1555}
1556
9a64fbe4 1557#define GEN_LDUF(width, opc) \
c7d344af 1558GEN_HANDLER(l##width##u, opc, 0xFF, 0xFF, 0x00000000, PPC_FLOAT) \
79aceca5 1559{ \
9a64fbe4 1560 uint32_t simm = SIMM(ctx->opcode); \
4ecc3190
FB
1561 if (!ctx->fpu_enabled) { \
1562 RET_EXCP(ctx, EXCP_NO_FP, 0); \
1563 return; \
1564 } \
79aceca5 1565 if (rA(ctx->opcode) == 0 || \
9a64fbe4 1566 rA(ctx->opcode) == rD(ctx->opcode)) { \
9fddaa0c
FB
1567 RET_INVAL(ctx); \
1568 return; \
9a64fbe4 1569 } \
79aceca5 1570 gen_op_load_gpr_T0(rA(ctx->opcode)); \
9a64fbe4
FB
1571 if (simm != 0) \
1572 gen_op_addi(simm); \
1573 op_ldst(l##width); \
1574 gen_op_store_FT1_fpr(rD(ctx->opcode)); \
79aceca5 1575 gen_op_store_T0_gpr(rA(ctx->opcode)); \
79aceca5
FB
1576}
1577
9a64fbe4 1578#define GEN_LDUXF(width, opc) \
c7d344af 1579GEN_HANDLER(l##width##ux, 0x1F, 0x17, opc, 0x00000001, PPC_FLOAT) \
79aceca5 1580{ \
4ecc3190
FB
1581 if (!ctx->fpu_enabled) { \
1582 RET_EXCP(ctx, EXCP_NO_FP, 0); \
1583 return; \
1584 } \
79aceca5 1585 if (rA(ctx->opcode) == 0 || \
9a64fbe4 1586 rA(ctx->opcode) == rD(ctx->opcode)) { \
9fddaa0c
FB
1587 RET_INVAL(ctx); \
1588 return; \
9a64fbe4 1589 } \
79aceca5
FB
1590 gen_op_load_gpr_T0(rA(ctx->opcode)); \
1591 gen_op_load_gpr_T1(rB(ctx->opcode)); \
9a64fbe4
FB
1592 gen_op_add(); \
1593 op_ldst(l##width); \
1594 gen_op_store_FT1_fpr(rD(ctx->opcode)); \
79aceca5 1595 gen_op_store_T0_gpr(rA(ctx->opcode)); \
79aceca5
FB
1596}
1597
9a64fbe4 1598#define GEN_LDXF(width, opc2, opc3) \
c7d344af 1599GEN_HANDLER(l##width##x, 0x1F, opc2, opc3, 0x00000001, PPC_FLOAT) \
79aceca5 1600{ \
4ecc3190
FB
1601 if (!ctx->fpu_enabled) { \
1602 RET_EXCP(ctx, EXCP_NO_FP, 0); \
1603 return; \
1604 } \
79aceca5
FB
1605 if (rA(ctx->opcode) == 0) { \
1606 gen_op_load_gpr_T0(rB(ctx->opcode)); \
79aceca5
FB
1607 } else { \
1608 gen_op_load_gpr_T0(rA(ctx->opcode)); \
1609 gen_op_load_gpr_T1(rB(ctx->opcode)); \
9a64fbe4 1610 gen_op_add(); \
79aceca5 1611 } \
9a64fbe4
FB
1612 op_ldst(l##width); \
1613 gen_op_store_FT1_fpr(rD(ctx->opcode)); \
79aceca5
FB
1614}
1615
9a64fbe4
FB
1616#define GEN_LDFS(width, op) \
1617OP_LD_TABLE(width); \
1618GEN_LDF(width, op | 0x20); \
1619GEN_LDUF(width, op | 0x21); \
1620GEN_LDUXF(width, op | 0x01); \
1621GEN_LDXF(width, 0x17, op | 0x00)
79aceca5
FB
1622
1623/* lfd lfdu lfdux lfdx */
9a64fbe4 1624GEN_LDFS(fd, 0x12);
79aceca5 1625/* lfs lfsu lfsux lfsx */
9a64fbe4 1626GEN_LDFS(fs, 0x10);
79aceca5
FB
1627
1628/*** Floating-point store ***/
1629#define GEN_STF(width, opc) \
c7d344af 1630GEN_HANDLER(st##width, opc, 0xFF, 0xFF, 0x00000000, PPC_FLOAT) \
79aceca5
FB
1631{ \
1632 uint32_t simm = SIMM(ctx->opcode); \
4ecc3190
FB
1633 if (!ctx->fpu_enabled) { \
1634 RET_EXCP(ctx, EXCP_NO_FP, 0); \
1635 return; \
1636 } \
79aceca5 1637 if (rA(ctx->opcode) == 0) { \
9a64fbe4 1638 gen_op_set_T0(simm); \
79aceca5
FB
1639 } else { \
1640 gen_op_load_gpr_T0(rA(ctx->opcode)); \
9a64fbe4
FB
1641 if (simm != 0) \
1642 gen_op_addi(simm); \
79aceca5 1643 } \
9a64fbe4
FB
1644 gen_op_load_fpr_FT1(rS(ctx->opcode)); \
1645 op_ldst(st##width); \
79aceca5
FB
1646}
1647
9a64fbe4 1648#define GEN_STUF(width, opc) \
c7d344af 1649GEN_HANDLER(st##width##u, opc, 0xFF, 0xFF, 0x00000000, PPC_FLOAT) \
79aceca5 1650{ \
9a64fbe4 1651 uint32_t simm = SIMM(ctx->opcode); \
4ecc3190
FB
1652 if (!ctx->fpu_enabled) { \
1653 RET_EXCP(ctx, EXCP_NO_FP, 0); \
1654 return; \
1655 } \
9a64fbe4 1656 if (rA(ctx->opcode) == 0) { \
9fddaa0c
FB
1657 RET_INVAL(ctx); \
1658 return; \
9a64fbe4 1659 } \
79aceca5 1660 gen_op_load_gpr_T0(rA(ctx->opcode)); \
9a64fbe4
FB
1661 if (simm != 0) \
1662 gen_op_addi(simm); \
1663 gen_op_load_fpr_FT1(rS(ctx->opcode)); \
1664 op_ldst(st##width); \
79aceca5 1665 gen_op_store_T0_gpr(rA(ctx->opcode)); \
79aceca5
FB
1666}
1667
9a64fbe4 1668#define GEN_STUXF(width, opc) \
c7d344af 1669GEN_HANDLER(st##width##ux, 0x1F, 0x17, opc, 0x00000001, PPC_FLOAT) \
79aceca5 1670{ \
4ecc3190
FB
1671 if (!ctx->fpu_enabled) { \
1672 RET_EXCP(ctx, EXCP_NO_FP, 0); \
1673 return; \
1674 } \
9a64fbe4 1675 if (rA(ctx->opcode) == 0) { \
9fddaa0c
FB
1676 RET_INVAL(ctx); \
1677 return; \
9a64fbe4 1678 } \
79aceca5
FB
1679 gen_op_load_gpr_T0(rA(ctx->opcode)); \
1680 gen_op_load_gpr_T1(rB(ctx->opcode)); \
9a64fbe4
FB
1681 gen_op_add(); \
1682 gen_op_load_fpr_FT1(rS(ctx->opcode)); \
1683 op_ldst(st##width); \
79aceca5 1684 gen_op_store_T0_gpr(rA(ctx->opcode)); \
79aceca5
FB
1685}
1686
9a64fbe4 1687#define GEN_STXF(width, opc2, opc3) \
c7d344af 1688GEN_HANDLER(st##width##x, 0x1F, opc2, opc3, 0x00000001, PPC_FLOAT) \
79aceca5 1689{ \
4ecc3190
FB
1690 if (!ctx->fpu_enabled) { \
1691 RET_EXCP(ctx, EXCP_NO_FP, 0); \
1692 return; \
1693 } \
79aceca5
FB
1694 if (rA(ctx->opcode) == 0) { \
1695 gen_op_load_gpr_T0(rB(ctx->opcode)); \
79aceca5
FB
1696 } else { \
1697 gen_op_load_gpr_T0(rA(ctx->opcode)); \
1698 gen_op_load_gpr_T1(rB(ctx->opcode)); \
9a64fbe4 1699 gen_op_add(); \
79aceca5 1700 } \
9a64fbe4
FB
1701 gen_op_load_fpr_FT1(rS(ctx->opcode)); \
1702 op_ldst(st##width); \
79aceca5
FB
1703}
1704
9a64fbe4
FB
1705#define GEN_STFS(width, op) \
1706OP_ST_TABLE(width); \
1707GEN_STF(width, op | 0x20); \
1708GEN_STUF(width, op | 0x21); \
1709GEN_STUXF(width, op | 0x01); \
1710GEN_STXF(width, 0x17, op | 0x00)
79aceca5
FB
1711
1712/* stfd stfdu stfdux stfdx */
9a64fbe4 1713GEN_STFS(fd, 0x16);
79aceca5 1714/* stfs stfsu stfsux stfsx */
9a64fbe4 1715GEN_STFS(fs, 0x14);
79aceca5
FB
1716
1717/* Optional: */
1718/* stfiwx */
1719GEN_HANDLER(stfiwx, 0x1F, 0x17, 0x1E, 0x00000001, PPC_FLOAT)
1720{
3cc62370
FB
1721 if (!ctx->fpu_enabled) {
1722 RET_EXCP(ctx, EXCP_NO_FP, 0);
1723 return;
1724 }
9fddaa0c 1725 RET_INVAL(ctx);
79aceca5
FB
1726}
1727
1728/*** Branch ***/
79aceca5 1729
c1942362
FB
1730static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
1731{
1732 TranslationBlock *tb;
1733 tb = ctx->tb;
1734 if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK)) {
1735 if (n == 0)
1736 gen_op_goto_tb0(TBPARAM(tb));
1737 else
1738 gen_op_goto_tb1(TBPARAM(tb));
1739 gen_op_set_T1(dest);
1740 gen_op_b_T1();
1741 gen_op_set_T0((long)tb + n);
1742 gen_op_exit_tb();
1743 } else {
1744 gen_op_set_T1(dest);
1745 gen_op_b_T1();
1746 gen_op_set_T0(0);
1747 gen_op_exit_tb();
1748 }
c53be334
FB
1749}
1750
79aceca5
FB
1751/* b ba bl bla */
1752GEN_HANDLER(b, 0x12, 0xFF, 0xFF, 0x00000000, PPC_FLOW)
1753{
38a64f9d
FB
1754 uint32_t li, target;
1755
1756 /* sign extend LI */
1757 li = ((int32_t)LI(ctx->opcode) << 6) >> 6;
79aceca5
FB
1758
1759 if (AA(ctx->opcode) == 0)
046d6672 1760 target = ctx->nip + li - 4;
79aceca5 1761 else
9a64fbe4 1762 target = li;
9a64fbe4 1763 if (LK(ctx->opcode)) {
046d6672 1764 gen_op_setlr(ctx->nip);
9a64fbe4 1765 }
c1942362 1766 gen_goto_tb(ctx, 0, target);
9a64fbe4 1767 ctx->exception = EXCP_BRANCH;
79aceca5
FB
1768}
1769
e98a6e40
FB
1770#define BCOND_IM 0
1771#define BCOND_LR 1
1772#define BCOND_CTR 2
1773
1774static inline void gen_bcond(DisasContext *ctx, int type)
1775{
1776 uint32_t target = 0;
1777 uint32_t bo = BO(ctx->opcode);
1778 uint32_t bi = BI(ctx->opcode);
1779 uint32_t mask;
1780 uint32_t li;
1781
e98a6e40
FB
1782 if ((bo & 0x4) == 0)
1783 gen_op_dec_ctr();
1784 switch(type) {
1785 case BCOND_IM:
18fba28c 1786 li = (int32_t)((int16_t)(BD(ctx->opcode)));
e98a6e40 1787 if (AA(ctx->opcode) == 0) {
046d6672 1788 target = ctx->nip + li - 4;
e98a6e40
FB
1789 } else {
1790 target = li;
1791 }
1792 break;
1793 case BCOND_CTR:
1794 gen_op_movl_T1_ctr();
1795 break;
1796 default:
1797 case BCOND_LR:
1798 gen_op_movl_T1_lr();
1799 break;
1800 }
1801 if (LK(ctx->opcode)) {
046d6672 1802 gen_op_setlr(ctx->nip);
e98a6e40
FB
1803 }
1804 if (bo & 0x10) {
1805 /* No CR condition */
1806 switch (bo & 0x6) {
1807 case 0:
1808 gen_op_test_ctr();
1809 break;
1810 case 2:
1811 gen_op_test_ctrz();
1812 break;
1813 default:
1814 case 4:
1815 case 6:
1816 if (type == BCOND_IM) {
c1942362 1817 gen_goto_tb(ctx, 0, target);
e98a6e40
FB
1818 } else {
1819 gen_op_b_T1();
e98a6e40
FB
1820 }
1821 goto no_test;
1822 }
1823 } else {
1824 mask = 1 << (3 - (bi & 0x03));
1825 gen_op_load_crf_T0(bi >> 2);
1826 if (bo & 0x8) {
1827 switch (bo & 0x6) {
1828 case 0:
1829 gen_op_test_ctr_true(mask);
1830 break;
1831 case 2:
1832 gen_op_test_ctrz_true(mask);
1833 break;
1834 default:
1835 case 4:
1836 case 6:
1837 gen_op_test_true(mask);
1838 break;
1839 }
1840 } else {
1841 switch (bo & 0x6) {
1842 case 0:
1843 gen_op_test_ctr_false(mask);
1844 break;
1845 case 2:
1846 gen_op_test_ctrz_false(mask);
1847 break;
1848 default:
1849 case 4:
1850 case 6:
1851 gen_op_test_false(mask);
1852 break;
1853 }
1854 }
1855 }
1856 if (type == BCOND_IM) {
c53be334
FB
1857 int l1 = gen_new_label();
1858 gen_op_jz_T0(l1);
c1942362 1859 gen_goto_tb(ctx, 0, target);
c53be334 1860 gen_set_label(l1);
c1942362 1861 gen_goto_tb(ctx, 1, ctx->nip);
e98a6e40 1862 } else {
046d6672 1863 gen_op_btest_T1(ctx->nip);
e98a6e40
FB
1864 }
1865 no_test:
1866 ctx->exception = EXCP_BRANCH;
1867}
1868
1869GEN_HANDLER(bc, 0x10, 0xFF, 0xFF, 0x00000000, PPC_FLOW)
1870{
1871 gen_bcond(ctx, BCOND_IM);
1872}
1873
1874GEN_HANDLER(bcctr, 0x13, 0x10, 0x10, 0x00000000, PPC_FLOW)
1875{
1876 gen_bcond(ctx, BCOND_CTR);
1877}
1878
1879GEN_HANDLER(bclr, 0x13, 0x10, 0x00, 0x00000000, PPC_FLOW)
1880{
1881 gen_bcond(ctx, BCOND_LR);
1882}
79aceca5
FB
1883
1884/*** Condition register logical ***/
1885#define GEN_CRLOGIC(op, opc) \
1886GEN_HANDLER(cr##op, 0x13, 0x01, opc, 0x00000001, PPC_INTEGER) \
1887{ \
1888 gen_op_load_crf_T0(crbA(ctx->opcode) >> 2); \
1889 gen_op_getbit_T0(3 - (crbA(ctx->opcode) & 0x03)); \
1890 gen_op_load_crf_T1(crbB(ctx->opcode) >> 2); \
1891 gen_op_getbit_T1(3 - (crbB(ctx->opcode) & 0x03)); \
1892 gen_op_##op(); \
1893 gen_op_load_crf_T1(crbD(ctx->opcode) >> 2); \
1894 gen_op_setcrfbit(~(1 << (3 - (crbD(ctx->opcode) & 0x03))), \
1895 3 - (crbD(ctx->opcode) & 0x03)); \
1896 gen_op_store_T1_crf(crbD(ctx->opcode) >> 2); \
79aceca5
FB
1897}
1898
1899/* crand */
1900GEN_CRLOGIC(and, 0x08)
1901/* crandc */
1902GEN_CRLOGIC(andc, 0x04)
1903/* creqv */
1904GEN_CRLOGIC(eqv, 0x09)
1905/* crnand */
1906GEN_CRLOGIC(nand, 0x07)
1907/* crnor */
1908GEN_CRLOGIC(nor, 0x01)
1909/* cror */
1910GEN_CRLOGIC(or, 0x0E)
1911/* crorc */
1912GEN_CRLOGIC(orc, 0x0D)
1913/* crxor */
1914GEN_CRLOGIC(xor, 0x06)
1915/* mcrf */
1916GEN_HANDLER(mcrf, 0x13, 0x00, 0xFF, 0x00000001, PPC_INTEGER)
1917{
1918 gen_op_load_crf_T0(crfS(ctx->opcode));
1919 gen_op_store_T0_crf(crfD(ctx->opcode));
79aceca5
FB
1920}
1921
1922/*** System linkage ***/
1923/* rfi (supervisor only) */
1924GEN_HANDLER(rfi, 0x13, 0x12, 0xFF, 0x03FF8001, PPC_FLOW)
1925{
9a64fbe4 1926#if defined(CONFIG_USER_ONLY)
9fddaa0c 1927 RET_PRIVOPC(ctx);
9a64fbe4
FB
1928#else
1929 /* Restore CPU state */
1930 if (!ctx->supervisor) {
9fddaa0c
FB
1931 RET_PRIVOPC(ctx);
1932 return;
9a64fbe4
FB
1933 }
1934 gen_op_rfi();
2be0071f 1935 RET_CHG_FLOW(ctx);
9a64fbe4 1936#endif
79aceca5
FB
1937}
1938
1939/* sc */
1940GEN_HANDLER(sc, 0x11, 0xFF, 0xFF, 0x03FFFFFD, PPC_FLOW)
1941{
9a64fbe4 1942#if defined(CONFIG_USER_ONLY)
9fddaa0c 1943 RET_EXCP(ctx, EXCP_SYSCALL_USER, 0);
9a64fbe4 1944#else
9fddaa0c 1945 RET_EXCP(ctx, EXCP_SYSCALL, 0);
9a64fbe4 1946#endif
79aceca5
FB
1947}
1948
1949/*** Trap ***/
1950/* tw */
1951GEN_HANDLER(tw, 0x1F, 0x04, 0xFF, 0x00000001, PPC_FLOW)
1952{
9a64fbe4
FB
1953 gen_op_load_gpr_T0(rA(ctx->opcode));
1954 gen_op_load_gpr_T1(rB(ctx->opcode));
1955 gen_op_tw(TO(ctx->opcode));
79aceca5
FB
1956}
1957
1958/* twi */
1959GEN_HANDLER(twi, 0x03, 0xFF, 0xFF, 0x00000000, PPC_FLOW)
1960{
9a64fbe4
FB
1961 gen_op_load_gpr_T0(rA(ctx->opcode));
1962#if 0
1963 printf("%s: param=0x%04x T0=0x%04x\n", __func__,
1964 SIMM(ctx->opcode), TO(ctx->opcode));
1965#endif
1966 gen_op_twi(SIMM(ctx->opcode), TO(ctx->opcode));
79aceca5
FB
1967}
1968
1969/*** Processor control ***/
1970static inline int check_spr_access (int spr, int rw, int supervisor)
1971{
1972 uint32_t rights = spr_access[spr >> 1] >> (4 * (spr & 1));
1973
9a64fbe4
FB
1974#if 0
1975 if (spr != LR && spr != CTR) {
1976 if (loglevel > 0) {
1977 fprintf(logfile, "%s reg=%d s=%d rw=%d r=0x%02x 0x%02x\n", __func__,
1978 SPR_ENCODE(spr), supervisor, rw, rights,
1979 (rights >> ((2 * supervisor) + rw)) & 1);
1980 } else {
1981 printf("%s reg=%d s=%d rw=%d r=0x%02x 0x%02x\n", __func__,
1982 SPR_ENCODE(spr), supervisor, rw, rights,
1983 (rights >> ((2 * supervisor) + rw)) & 1);
1984 }
1985 }
1986#endif
1987 if (rights == 0)
1988 return -1;
79aceca5
FB
1989 rights = rights >> (2 * supervisor);
1990 rights = rights >> rw;
1991
1992 return rights & 1;
1993}
1994
1995/* mcrxr */
1996GEN_HANDLER(mcrxr, 0x1F, 0x00, 0x10, 0x007FF801, PPC_MISC)
1997{
1998 gen_op_load_xer_cr();
1999 gen_op_store_T0_crf(crfD(ctx->opcode));
2000 gen_op_clear_xer_cr();
79aceca5
FB
2001}
2002
2003/* mfcr */
2004GEN_HANDLER(mfcr, 0x1F, 0x13, 0x00, 0x001FF801, PPC_MISC)
2005{
2006 gen_op_load_cr();
2007 gen_op_store_T0_gpr(rD(ctx->opcode));
79aceca5
FB
2008}
2009
2010/* mfmsr */
2011GEN_HANDLER(mfmsr, 0x1F, 0x13, 0x02, 0x001FF801, PPC_MISC)
2012{
9a64fbe4 2013#if defined(CONFIG_USER_ONLY)
9fddaa0c 2014 RET_PRIVREG(ctx);
9a64fbe4
FB
2015#else
2016 if (!ctx->supervisor) {
9fddaa0c
FB
2017 RET_PRIVREG(ctx);
2018 return;
9a64fbe4 2019 }
79aceca5
FB
2020 gen_op_load_msr();
2021 gen_op_store_T0_gpr(rD(ctx->opcode));
9a64fbe4 2022#endif
79aceca5
FB
2023}
2024
3fc6c082
FB
2025#if 0
2026#define SPR_NOACCESS ((void *)(-1))
2027#else
2028static void spr_noaccess (void *opaque, int sprn)
2029{
2030 sprn = ((sprn >> 5) & 0x1F) | ((sprn & 0x1F) << 5);
2031 printf("ERROR: try to access SPR %d !\n", sprn);
2032}
2033#define SPR_NOACCESS (&spr_noaccess)
2034#endif
2035
79aceca5 2036/* mfspr */
3fc6c082 2037static inline void gen_op_mfspr (DisasContext *ctx)
79aceca5 2038{
3fc6c082 2039 void (*read_cb)(void *opaque, int sprn);
79aceca5
FB
2040 uint32_t sprn = SPR(ctx->opcode);
2041
3fc6c082
FB
2042#if !defined(CONFIG_USER_ONLY)
2043 if (ctx->supervisor)
2044 read_cb = ctx->spr_cb[sprn].oea_read;
2045 else
9a64fbe4 2046#endif
3fc6c082
FB
2047 read_cb = ctx->spr_cb[sprn].uea_read;
2048 if (read_cb != NULL) {
2049 if (read_cb != SPR_NOACCESS) {
2050 (*read_cb)(ctx, sprn);
2051 gen_op_store_T0_gpr(rD(ctx->opcode));
2052 } else {
2053 /* Privilege exception */
2054 printf("Trying to read priviledged spr %d %03x\n", sprn, sprn);
9fddaa0c 2055 RET_PRIVREG(ctx);
79aceca5 2056 }
3fc6c082
FB
2057 } else {
2058 /* Not defined */
2059 printf("Trying to read invalid spr %d %03x\n", sprn, sprn);
2060 RET_EXCP(ctx, EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_SPR);
79aceca5 2061 }
79aceca5
FB
2062}
2063
3fc6c082 2064GEN_HANDLER(mfspr, 0x1F, 0x13, 0x0A, 0x00000001, PPC_MISC)
79aceca5 2065{
3fc6c082 2066 gen_op_mfspr(ctx);
79aceca5 2067 }
3fc6c082
FB
2068
2069/* mftb */
2070GEN_HANDLER(mftb, 0x1F, 0x13, 0x0B, 0x00000001, PPC_TB)
2071{
2072 gen_op_mfspr(ctx);
79aceca5
FB
2073}
2074
2075/* mtcrf */
8dd4983c
FB
2076/* The mask should be 0x00100801, but Mac OS X 10.4 use an alternate form */
2077GEN_HANDLER(mtcrf, 0x1F, 0x10, 0x04, 0x00000801, PPC_MISC)
79aceca5
FB
2078{
2079 gen_op_load_gpr_T0(rS(ctx->opcode));
2080 gen_op_store_cr(CRM(ctx->opcode));
79aceca5
FB
2081}
2082
2083/* mtmsr */
2084GEN_HANDLER(mtmsr, 0x1F, 0x12, 0x04, 0x001FF801, PPC_MISC)
2085{
9a64fbe4 2086#if defined(CONFIG_USER_ONLY)
9fddaa0c 2087 RET_PRIVREG(ctx);
9a64fbe4
FB
2088#else
2089 if (!ctx->supervisor) {
9fddaa0c
FB
2090 RET_PRIVREG(ctx);
2091 return;
9a64fbe4 2092 }
79aceca5
FB
2093 gen_op_load_gpr_T0(rS(ctx->opcode));
2094 gen_op_store_msr();
2095 /* Must stop the translation as machine state (may have) changed */
9fddaa0c 2096 RET_MTMSR(ctx);
9a64fbe4 2097#endif
79aceca5
FB
2098}
2099
2100/* mtspr */
2101GEN_HANDLER(mtspr, 0x1F, 0x13, 0x0E, 0x00000001, PPC_MISC)
2102{
3fc6c082 2103 void (*write_cb)(void *opaque, int sprn);
79aceca5
FB
2104 uint32_t sprn = SPR(ctx->opcode);
2105
3fc6c082
FB
2106#if !defined(CONFIG_USER_ONLY)
2107 if (ctx->supervisor)
2108 write_cb = ctx->spr_cb[sprn].oea_write;
2109 else
9a64fbe4 2110#endif
3fc6c082
FB
2111 write_cb = ctx->spr_cb[sprn].uea_write;
2112 if (write_cb != NULL) {
2113 if (write_cb != SPR_NOACCESS) {
2114 gen_op_load_gpr_T0(rS(ctx->opcode));
2115 (*write_cb)(ctx, sprn);
2116 } else {
2117 /* Privilege exception */
2118 printf("Trying to write priviledged spr %d %03x\n", sprn, sprn);
9fddaa0c 2119 RET_PRIVREG(ctx);
9a64fbe4 2120 }
3fc6c082
FB
2121 } else {
2122 /* Not defined */
2123 printf("Trying to write invalid spr %d %03x\n", sprn, sprn);
2124 RET_EXCP(ctx, EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_SPR);
79aceca5 2125 }
79aceca5
FB
2126}
2127
2128/*** Cache management ***/
2129/* For now, all those will be implemented as nop:
2130 * this is valid, regarding the PowerPC specs...
9a64fbe4 2131 * We just have to flush tb while invalidating instruction cache lines...
79aceca5
FB
2132 */
2133/* dcbf */
9a64fbe4 2134GEN_HANDLER(dcbf, 0x1F, 0x16, 0x02, 0x03E00001, PPC_CACHE)
79aceca5 2135{
a541f297
FB
2136 if (rA(ctx->opcode) == 0) {
2137 gen_op_load_gpr_T0(rB(ctx->opcode));
2138 } else {
2139 gen_op_load_gpr_T0(rA(ctx->opcode));
2140 gen_op_load_gpr_T1(rB(ctx->opcode));
2141 gen_op_add();
2142 }
2143 op_ldst(lbz);
79aceca5
FB
2144}
2145
2146/* dcbi (Supervisor only) */
9a64fbe4 2147GEN_HANDLER(dcbi, 0x1F, 0x16, 0x0E, 0x03E00001, PPC_CACHE)
79aceca5 2148{
a541f297 2149#if defined(CONFIG_USER_ONLY)
9fddaa0c 2150 RET_PRIVOPC(ctx);
a541f297
FB
2151#else
2152 if (!ctx->supervisor) {
9fddaa0c
FB
2153 RET_PRIVOPC(ctx);
2154 return;
9a64fbe4 2155 }
a541f297
FB
2156 if (rA(ctx->opcode) == 0) {
2157 gen_op_load_gpr_T0(rB(ctx->opcode));
2158 } else {
2159 gen_op_load_gpr_T0(rA(ctx->opcode));
2160 gen_op_load_gpr_T1(rB(ctx->opcode));
2161 gen_op_add();
2162 }
2163 op_ldst(lbz);
2164 op_ldst(stb);
2165#endif
79aceca5
FB
2166}
2167
2168/* dcdst */
9a64fbe4 2169GEN_HANDLER(dcbst, 0x1F, 0x16, 0x01, 0x03E00001, PPC_CACHE)
79aceca5 2170{
a541f297
FB
2171 if (rA(ctx->opcode) == 0) {
2172 gen_op_load_gpr_T0(rB(ctx->opcode));
2173 } else {
2174 gen_op_load_gpr_T0(rA(ctx->opcode));
2175 gen_op_load_gpr_T1(rB(ctx->opcode));
2176 gen_op_add();
2177 }
2178 op_ldst(lbz);
79aceca5
FB
2179}
2180
2181/* dcbt */
9a64fbe4 2182GEN_HANDLER(dcbt, 0x1F, 0x16, 0x08, 0x03E00001, PPC_CACHE)
79aceca5 2183{
79aceca5
FB
2184}
2185
2186/* dcbtst */
9a64fbe4 2187GEN_HANDLER(dcbtst, 0x1F, 0x16, 0x07, 0x03E00001, PPC_CACHE)
79aceca5 2188{
79aceca5
FB
2189}
2190
2191/* dcbz */
9a64fbe4
FB
2192#if defined(CONFIG_USER_ONLY)
2193#define op_dcbz() gen_op_dcbz_raw()
2194#else
2195#define op_dcbz() (*gen_op_dcbz[ctx->mem_idx])()
2196static GenOpFunc *gen_op_dcbz[] = {
2197 &gen_op_dcbz_user,
2d5262f9
FB
2198 &gen_op_dcbz_user,
2199 &gen_op_dcbz_kernel,
9a64fbe4
FB
2200 &gen_op_dcbz_kernel,
2201};
2202#endif
2203
2204GEN_HANDLER(dcbz, 0x1F, 0x16, 0x1F, 0x03E00001, PPC_CACHE)
79aceca5 2205{
fb0eaffc
FB
2206 if (rA(ctx->opcode) == 0) {
2207 gen_op_load_gpr_T0(rB(ctx->opcode));
fb0eaffc
FB
2208 } else {
2209 gen_op_load_gpr_T0(rA(ctx->opcode));
2210 gen_op_load_gpr_T1(rB(ctx->opcode));
9a64fbe4 2211 gen_op_add();
fb0eaffc 2212 }
9a64fbe4 2213 op_dcbz();
4b3686fa 2214 gen_op_check_reservation();
79aceca5
FB
2215}
2216
2217/* icbi */
9a64fbe4 2218GEN_HANDLER(icbi, 0x1F, 0x16, 0x1E, 0x03E00001, PPC_CACHE)
79aceca5 2219{
fb0eaffc
FB
2220 if (rA(ctx->opcode) == 0) {
2221 gen_op_load_gpr_T0(rB(ctx->opcode));
fb0eaffc
FB
2222 } else {
2223 gen_op_load_gpr_T0(rA(ctx->opcode));
2224 gen_op_load_gpr_T1(rB(ctx->opcode));
9a64fbe4 2225 gen_op_add();
fb0eaffc 2226 }
9a64fbe4 2227 gen_op_icbi();
79aceca5
FB
2228}
2229
2230/* Optional: */
2231/* dcba */
c7d344af 2232GEN_HANDLER(dcba, 0x1F, 0x16, 0x17, 0x03E00001, PPC_CACHE_OPT)
79aceca5 2233{
79aceca5
FB
2234}
2235
2236/*** Segment register manipulation ***/
2237/* Supervisor only: */
2238/* mfsr */
2239GEN_HANDLER(mfsr, 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT)
2240{
9a64fbe4 2241#if defined(CONFIG_USER_ONLY)
9fddaa0c 2242 RET_PRIVREG(ctx);
9a64fbe4
FB
2243#else
2244 if (!ctx->supervisor) {
9fddaa0c
FB
2245 RET_PRIVREG(ctx);
2246 return;
9a64fbe4
FB
2247 }
2248 gen_op_load_sr(SR(ctx->opcode));
2249 gen_op_store_T0_gpr(rD(ctx->opcode));
2250#endif
79aceca5
FB
2251}
2252
2253/* mfsrin */
9a64fbe4 2254GEN_HANDLER(mfsrin, 0x1F, 0x13, 0x14, 0x001F0001, PPC_SEGMENT)
79aceca5 2255{
9a64fbe4 2256#if defined(CONFIG_USER_ONLY)
9fddaa0c 2257 RET_PRIVREG(ctx);
9a64fbe4
FB
2258#else
2259 if (!ctx->supervisor) {
9fddaa0c
FB
2260 RET_PRIVREG(ctx);
2261 return;
9a64fbe4
FB
2262 }
2263 gen_op_load_gpr_T1(rB(ctx->opcode));
2264 gen_op_load_srin();
2265 gen_op_store_T0_gpr(rD(ctx->opcode));
2266#endif
79aceca5
FB
2267}
2268
2269/* mtsr */
e63c59cb 2270GEN_HANDLER(mtsr, 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT)
79aceca5 2271{
9a64fbe4 2272#if defined(CONFIG_USER_ONLY)
9fddaa0c 2273 RET_PRIVREG(ctx);
9a64fbe4
FB
2274#else
2275 if (!ctx->supervisor) {
9fddaa0c
FB
2276 RET_PRIVREG(ctx);
2277 return;
9a64fbe4
FB
2278 }
2279 gen_op_load_gpr_T0(rS(ctx->opcode));
2280 gen_op_store_sr(SR(ctx->opcode));
c1942362 2281 RET_MTMSR(ctx);
9a64fbe4 2282#endif
79aceca5
FB
2283}
2284
2285/* mtsrin */
9a64fbe4 2286GEN_HANDLER(mtsrin, 0x1F, 0x12, 0x07, 0x001F0001, PPC_SEGMENT)
79aceca5 2287{
9a64fbe4 2288#if defined(CONFIG_USER_ONLY)
9fddaa0c 2289 RET_PRIVREG(ctx);
9a64fbe4
FB
2290#else
2291 if (!ctx->supervisor) {
9fddaa0c
FB
2292 RET_PRIVREG(ctx);
2293 return;
9a64fbe4
FB
2294 }
2295 gen_op_load_gpr_T0(rS(ctx->opcode));
2296 gen_op_load_gpr_T1(rB(ctx->opcode));
2297 gen_op_store_srin();
c1942362 2298 RET_MTMSR(ctx);
9a64fbe4 2299#endif
79aceca5
FB
2300}
2301
2302/*** Lookaside buffer management ***/
2303/* Optional & supervisor only: */
2304/* tlbia */
3fc6c082 2305GEN_HANDLER(tlbia, 0x1F, 0x12, 0x0B, 0x03FFFC01, PPC_MEM_TLBIA)
79aceca5 2306{
9a64fbe4 2307#if defined(CONFIG_USER_ONLY)
9fddaa0c 2308 RET_PRIVOPC(ctx);
9a64fbe4
FB
2309#else
2310 if (!ctx->supervisor) {
9fddaa0c
FB
2311 if (loglevel)
2312 fprintf(logfile, "%s: ! supervisor\n", __func__);
2313 RET_PRIVOPC(ctx);
2314 return;
9a64fbe4
FB
2315 }
2316 gen_op_tlbia();
4b3686fa 2317 RET_MTMSR(ctx);
9a64fbe4 2318#endif
79aceca5
FB
2319}
2320
2321/* tlbie */
9a64fbe4 2322GEN_HANDLER(tlbie, 0x1F, 0x12, 0x09, 0x03FF0001, PPC_MEM)
79aceca5 2323{
9a64fbe4 2324#if defined(CONFIG_USER_ONLY)
9fddaa0c 2325 RET_PRIVOPC(ctx);
9a64fbe4
FB
2326#else
2327 if (!ctx->supervisor) {
9fddaa0c
FB
2328 RET_PRIVOPC(ctx);
2329 return;
9a64fbe4
FB
2330 }
2331 gen_op_load_gpr_T0(rB(ctx->opcode));
2332 gen_op_tlbie();
4b3686fa 2333 RET_MTMSR(ctx);
9a64fbe4 2334#endif
79aceca5
FB
2335}
2336
2337/* tlbsync */
e63c59cb 2338GEN_HANDLER(tlbsync, 0x1F, 0x16, 0x11, 0x03FFF801, PPC_MEM)
79aceca5 2339{
9a64fbe4 2340#if defined(CONFIG_USER_ONLY)
9fddaa0c 2341 RET_PRIVOPC(ctx);
9a64fbe4
FB
2342#else
2343 if (!ctx->supervisor) {
9fddaa0c
FB
2344 RET_PRIVOPC(ctx);
2345 return;
9a64fbe4
FB
2346 }
2347 /* This has no effect: it should ensure that all previous
2348 * tlbie have completed
2349 */
4b3686fa 2350 RET_MTMSR(ctx);
9a64fbe4 2351#endif
79aceca5
FB
2352}
2353
2354/*** External control ***/
2355/* Optional: */
9a64fbe4
FB
2356#define op_eciwx() (*gen_op_eciwx[ctx->mem_idx])()
2357#define op_ecowx() (*gen_op_ecowx[ctx->mem_idx])()
111bfab3
FB
2358#if defined(CONFIG_USER_ONLY)
2359static GenOpFunc *gen_op_eciwx[] = {
2360 &gen_op_eciwx_raw,
2361 &gen_op_eciwx_le_raw,
2362};
2363static GenOpFunc *gen_op_ecowx[] = {
2364 &gen_op_ecowx_raw,
2365 &gen_op_ecowx_le_raw,
2366};
2367#else
9a64fbe4
FB
2368static GenOpFunc *gen_op_eciwx[] = {
2369 &gen_op_eciwx_user,
111bfab3 2370 &gen_op_eciwx_le_user,
9a64fbe4 2371 &gen_op_eciwx_kernel,
111bfab3 2372 &gen_op_eciwx_le_kernel,
9a64fbe4
FB
2373};
2374static GenOpFunc *gen_op_ecowx[] = {
2375 &gen_op_ecowx_user,
111bfab3 2376 &gen_op_ecowx_le_user,
9a64fbe4 2377 &gen_op_ecowx_kernel,
111bfab3 2378 &gen_op_ecowx_le_kernel,
9a64fbe4
FB
2379};
2380#endif
2381
111bfab3 2382/* eciwx */
79aceca5
FB
2383GEN_HANDLER(eciwx, 0x1F, 0x16, 0x0D, 0x00000001, PPC_EXTERN)
2384{
9a64fbe4
FB
2385 /* Should check EAR[E] & alignment ! */
2386 if (rA(ctx->opcode) == 0) {
2387 gen_op_load_gpr_T0(rB(ctx->opcode));
2388 } else {
2389 gen_op_load_gpr_T0(rA(ctx->opcode));
2390 gen_op_load_gpr_T1(rB(ctx->opcode));
2391 gen_op_add();
2392 }
2393 op_eciwx();
2394 gen_op_store_T0_gpr(rD(ctx->opcode));
79aceca5
FB
2395}
2396
2397/* ecowx */
2398GEN_HANDLER(ecowx, 0x1F, 0x16, 0x09, 0x00000001, PPC_EXTERN)
2399{
9a64fbe4
FB
2400 /* Should check EAR[E] & alignment ! */
2401 if (rA(ctx->opcode) == 0) {
2402 gen_op_load_gpr_T0(rB(ctx->opcode));
2403 } else {
2404 gen_op_load_gpr_T0(rA(ctx->opcode));
2405 gen_op_load_gpr_T1(rB(ctx->opcode));
2406 gen_op_add();
2407 }
2408 gen_op_load_gpr_T2(rS(ctx->opcode));
2409 op_ecowx();
79aceca5
FB
2410}
2411
2412/* End opcode list */
2413GEN_OPCODE_MARK(end);
2414
3fc6c082 2415#include "translate_init.c"
79aceca5 2416
9a64fbe4 2417/*****************************************************************************/
3fc6c082 2418/* Misc PowerPC helpers */
7fe48483
FB
2419void cpu_dump_state(CPUState *env, FILE *f,
2420 int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
2421 int flags)
79aceca5 2422{
3fc6c082
FB
2423#if defined(TARGET_PPC64) || 1
2424#define FILL ""
2425#define REGX "%016llx"
2426#define RGPL 4
2427#define RFPL 4
2428#else
2429#define FILL " "
2430#define REGX "%08llx"
2431#define RGPL 8
2432#define RFPL 4
2433#endif
2434
79aceca5
FB
2435 int i;
2436
3fc6c082
FB
2437 cpu_fprintf(f, "NIP " REGX " LR " REGX " CTR " REGX "\n",
2438 env->nip, env->lr, env->ctr);
2439 cpu_fprintf(f, "MSR " REGX FILL " XER %08x TB %08x %08x DECR %08x\n",
2440 do_load_msr(env), do_load_xer(env), cpu_ppc_load_tbu(env),
2441 cpu_ppc_load_tbl(env), cpu_ppc_load_decr(env));
79aceca5 2442 for (i = 0; i < 32; i++) {
3fc6c082
FB
2443 if ((i & (RGPL - 1)) == 0)
2444 cpu_fprintf(f, "GPR%02d", i);
2445 cpu_fprintf(f, " " REGX, env->gpr[i]);
2446 if ((i & (RGPL - 1)) == (RGPL - 1))
7fe48483 2447 cpu_fprintf(f, "\n");
79aceca5 2448 }
3fc6c082 2449 cpu_fprintf(f, "CR ");
79aceca5 2450 for (i = 0; i < 8; i++)
7fe48483
FB
2451 cpu_fprintf(f, "%01x", env->crf[i]);
2452 cpu_fprintf(f, " [");
79aceca5
FB
2453 for (i = 0; i < 8; i++) {
2454 char a = '-';
79aceca5
FB
2455 if (env->crf[i] & 0x08)
2456 a = 'L';
2457 else if (env->crf[i] & 0x04)
2458 a = 'G';
2459 else if (env->crf[i] & 0x02)
2460 a = 'E';
7fe48483 2461 cpu_fprintf(f, " %c%c", a, env->crf[i] & 0x01 ? 'O' : ' ');
79aceca5 2462 }
3fc6c082
FB
2463 cpu_fprintf(f, " ] " FILL "RES " REGX "\n", env->reserve);
2464 for (i = 0; i < 32; i++) {
2465 if ((i & (RFPL - 1)) == 0)
2466 cpu_fprintf(f, "FPR%02d", i);
7fe48483 2467 cpu_fprintf(f, " %016llx", *((uint64_t *)&env->fpr[i]));
3fc6c082 2468 if ((i & (RFPL - 1)) == (RFPL - 1))
7fe48483 2469 cpu_fprintf(f, "\n");
79aceca5 2470 }
3fc6c082
FB
2471 cpu_fprintf(f, "SRR0 " REGX " SRR1 " REGX " " FILL FILL FILL
2472 "SDR1 " REGX "\n",
2473 env->spr[SPR_SRR0], env->spr[SPR_SRR1], env->sdr1);
79aceca5 2474
3fc6c082
FB
2475#undef REGX
2476#undef RGPL
2477#undef RFPL
2478#undef FILL
79aceca5
FB
2479}
2480
9a64fbe4 2481/*****************************************************************************/
79aceca5
FB
2482int gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb,
2483 int search_pc)
2484{
9fddaa0c 2485 DisasContext ctx, *ctxp = &ctx;
79aceca5 2486 opc_handler_t **table, *handler;
0fa85d43 2487 target_ulong pc_start;
79aceca5
FB
2488 uint16_t *gen_opc_end;
2489 int j, lj = -1;
79aceca5
FB
2490
2491 pc_start = tb->pc;
2492 gen_opc_ptr = gen_opc_buf;
2493 gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
2494 gen_opparam_ptr = gen_opparam_buf;
c53be334 2495 nb_gen_labels = 0;
046d6672 2496 ctx.nip = pc_start;
79aceca5 2497 ctx.tb = tb;
9a64fbe4 2498 ctx.exception = EXCP_NONE;
3fc6c082 2499 ctx.spr_cb = env->spr_cb;
9a64fbe4 2500#if defined(CONFIG_USER_ONLY)
111bfab3 2501 ctx.mem_idx = msr_le;
9a64fbe4
FB
2502#else
2503 ctx.supervisor = 1 - msr_pr;
111bfab3 2504 ctx.mem_idx = ((1 - msr_pr) << 1) | msr_le;
9a64fbe4 2505#endif
3cc62370 2506 ctx.fpu_enabled = msr_fp;
3fc6c082 2507#if defined (DO_SINGLE_STEP) && 0
9a64fbe4
FB
2508 /* Single step trace mode */
2509 msr_se = 1;
2510#endif
2511 /* Set env in case of segfault during code fetch */
2512 while (ctx.exception == EXCP_NONE && gen_opc_ptr < gen_opc_end) {
79aceca5 2513 if (search_pc) {
79aceca5
FB
2514 j = gen_opc_ptr - gen_opc_buf;
2515 if (lj < j) {
2516 lj++;
2517 while (lj < j)
2518 gen_opc_instr_start[lj++] = 0;
046d6672 2519 gen_opc_pc[lj] = ctx.nip;
79aceca5
FB
2520 gen_opc_instr_start[lj] = 1;
2521 }
2522 }
9fddaa0c
FB
2523#if defined PPC_DEBUG_DISAS
2524 if (loglevel & CPU_LOG_TB_IN_ASM) {
79aceca5 2525 fprintf(logfile, "----------------\n");
046d6672 2526 fprintf(logfile, "nip=%08x super=%d ir=%d\n",
9a64fbe4
FB
2527 ctx.nip, 1 - msr_pr, msr_ir);
2528 }
2529#endif
0fa85d43 2530 ctx.opcode = ldl_code(ctx.nip);
111bfab3
FB
2531 if (msr_le) {
2532 ctx.opcode = ((ctx.opcode & 0xFF000000) >> 24) |
2533 ((ctx.opcode & 0x00FF0000) >> 8) |
2534 ((ctx.opcode & 0x0000FF00) << 8) |
2535 ((ctx.opcode & 0x000000FF) << 24);
2536 }
9fddaa0c
FB
2537#if defined PPC_DEBUG_DISAS
2538 if (loglevel & CPU_LOG_TB_IN_ASM) {
111bfab3 2539 fprintf(logfile, "translate opcode %08x (%02x %02x %02x) (%s)\n",
9a64fbe4 2540 ctx.opcode, opc1(ctx.opcode), opc2(ctx.opcode),
111bfab3 2541 opc3(ctx.opcode), msr_le ? "little" : "big");
79aceca5
FB
2542 }
2543#endif
046d6672 2544 ctx.nip += 4;
3fc6c082 2545 table = env->opcodes;
79aceca5
FB
2546 handler = table[opc1(ctx.opcode)];
2547 if (is_indirect_opcode(handler)) {
2548 table = ind_table(handler);
2549 handler = table[opc2(ctx.opcode)];
2550 if (is_indirect_opcode(handler)) {
2551 table = ind_table(handler);
2552 handler = table[opc3(ctx.opcode)];
2553 }
2554 }
2555 /* Is opcode *REALLY* valid ? */
79aceca5 2556 if (handler->handler == &gen_invalid) {
4b3686fa 2557 if (loglevel > 0) {
79aceca5 2558 fprintf(logfile, "invalid/unsupported opcode: "
4b3686fa 2559 "%02x - %02x - %02x (%08x) 0x%08x %d\n",
9a64fbe4 2560 opc1(ctx.opcode), opc2(ctx.opcode),
4b3686fa
FB
2561 opc3(ctx.opcode), ctx.opcode, ctx.nip - 4, msr_ir);
2562 } else {
2563 printf("invalid/unsupported opcode: "
2564 "%02x - %02x - %02x (%08x) 0x%08x %d\n",
2565 opc1(ctx.opcode), opc2(ctx.opcode),
2566 opc3(ctx.opcode), ctx.opcode, ctx.nip - 4, msr_ir);
2567 }
79aceca5 2568 } else {
4b3686fa
FB
2569 if ((ctx.opcode & handler->inval) != 0) {
2570 if (loglevel > 0) {
79aceca5 2571 fprintf(logfile, "invalid bits: %08x for opcode: "
046d6672 2572 "%02x -%02x - %02x (0x%08x) (0x%08x)\n",
79aceca5
FB
2573 ctx.opcode & handler->inval, opc1(ctx.opcode),
2574 opc2(ctx.opcode), opc3(ctx.opcode),
046d6672 2575 ctx.opcode, ctx.nip - 4);
9a64fbe4
FB
2576 } else {
2577 printf("invalid bits: %08x for opcode: "
046d6672 2578 "%02x -%02x - %02x (0x%08x) (0x%08x)\n",
9a64fbe4
FB
2579 ctx.opcode & handler->inval, opc1(ctx.opcode),
2580 opc2(ctx.opcode), opc3(ctx.opcode),
046d6672 2581 ctx.opcode, ctx.nip - 4);
9a64fbe4 2582 }
4b3686fa
FB
2583 RET_INVAL(ctxp);
2584 break;
79aceca5 2585 }
79aceca5 2586 }
4b3686fa 2587 (*(handler->handler))(&ctx);
9a64fbe4
FB
2588 /* Check trace mode exceptions */
2589 if ((msr_be && ctx.exception == EXCP_BRANCH) ||
2590 /* Check in single step trace mode
2591 * we need to stop except if:
2592 * - rfi, trap or syscall
2593 * - first instruction of an exception handler
2594 */
046d6672
FB
2595 (msr_se && (ctx.nip < 0x100 ||
2596 ctx.nip > 0xF00 ||
2597 (ctx.nip & 0xFC) != 0x04) &&
2be0071f
FB
2598 ctx.exception != EXCP_SYSCALL &&
2599 ctx.exception != EXCP_SYSCALL_USER &&
9a64fbe4 2600 ctx.exception != EXCP_TRAP)) {
9fddaa0c 2601 RET_EXCP(ctxp, EXCP_TRACE, 0);
9a64fbe4 2602 }
a541f297 2603 /* if we reach a page boundary, stop generation */
3fc6c082 2604 if ((ctx.nip & (TARGET_PAGE_SIZE - 1)) == 0) {
8dd4983c 2605 break;
9a64fbe4 2606 }
3fc6c082
FB
2607#if defined (DO_SINGLE_STEP)
2608 break;
2609#endif
2610 }
9fddaa0c 2611 if (ctx.exception == EXCP_NONE) {
c1942362 2612 gen_goto_tb(&ctx, 0, ctx.nip);
9fddaa0c
FB
2613 } else if (ctx.exception != EXCP_BRANCH) {
2614 gen_op_set_T0(0);
9a64fbe4
FB
2615 }
2616#if 1
79aceca5
FB
2617 /* TO BE FIXED: T0 hasn't got a proper value, which makes tb_add_jump
2618 * do bad business and then qemu crashes !
2619 */
2620 gen_op_set_T0(0);
9a64fbe4 2621#endif
79aceca5
FB
2622 /* Generate the return instruction */
2623 gen_op_exit_tb();
2624 *gen_opc_ptr = INDEX_op_end;
9a64fbe4
FB
2625 if (search_pc) {
2626 j = gen_opc_ptr - gen_opc_buf;
2627 lj++;
2628 while (lj <= j)
2629 gen_opc_instr_start[lj++] = 0;
79aceca5 2630 tb->size = 0;
985a19d6 2631#if 0
9a64fbe4
FB
2632 if (loglevel > 0) {
2633 page_dump(logfile);
2634 }
985a19d6 2635#endif
9a64fbe4 2636 } else {
046d6672 2637 tb->size = ctx.nip - pc_start;
9a64fbe4 2638 }
79aceca5 2639#ifdef DEBUG_DISAS
9fddaa0c 2640 if (loglevel & CPU_LOG_TB_CPU) {
9a64fbe4 2641 fprintf(logfile, "---------------- excp: %04x\n", ctx.exception);
7fe48483 2642 cpu_dump_state(env, logfile, fprintf, 0);
9fddaa0c
FB
2643 }
2644 if (loglevel & CPU_LOG_TB_IN_ASM) {
0fa85d43
FB
2645 fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start));
2646 target_disas(logfile, pc_start, ctx.nip - pc_start, 0);
79aceca5 2647 fprintf(logfile, "\n");
9fddaa0c
FB
2648 }
2649 if (loglevel & CPU_LOG_TB_OP) {
79aceca5
FB
2650 fprintf(logfile, "OP:\n");
2651 dump_ops(gen_opc_buf, gen_opparam_buf);
2652 fprintf(logfile, "\n");
2653 }
2654#endif
79aceca5
FB
2655 return 0;
2656}
2657
9a64fbe4 2658int gen_intermediate_code (CPUState *env, struct TranslationBlock *tb)
79aceca5
FB
2659{
2660 return gen_intermediate_code_internal(env, tb, 0);
2661}
2662
9a64fbe4 2663int gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb)
79aceca5
FB
2664{
2665 return gen_intermediate_code_internal(env, tb, 1);
2666}