gwj / at91sam9263 · Commits

Commit 0402f767b5f11ec0efaf6abe50a11487801fc2ef

Authored by pbrook
1 parent 6b3a45cc

Rework m68k cpu feature flags. 


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2865 c046a42c-6fe2-441c-8c8c-71466251a162
Inline Side-by-side
Showing 4 changed files with 176 additions and 133 deletions
linux-user/main.c
  View file @0402f76
... ... @@ -1974,7 +1974,7 @@ int main(int argc, char **argv)
1974 1974 #elif defined(TARGET_M68K)
1975 1975 {
1976 1976 if (cpu_model == NULL)
1977   - cpu_model = "cfv4e";
  1977 + cpu_model = "any";
1978 1978 if (cpu_m68k_set_model(env, cpu_model)) {
1979 1979 cpu_abort(cpu_single_env,
1980 1980 "Unable to find m68k CPU definition\n");
... ...
target-m68k/cpu.h
  View file @0402f76
... ... @@ -85,6 +85,8 @@ typedef struct CPUM68KState {
85 85 uint32_t mbar;
86 86 uint32_t rambar0;
87 87  
  88 + uint32_t features;
  89 +
88 90 /* ??? remove this. */
89 91 uint32_t t1;
90 92  
... ... @@ -151,6 +153,23 @@ void m68k_set_irq_level(CPUM68KState *env, int level, uint8_t vector);
151 153  
152 154 void do_m68k_semihosting(CPUM68KState *env, int nr);
153 155  
  156 +enum m68k_features {
  157 + M68K_FEATURE_CF_ISA_A,
  158 + M68K_FEATURE_CF_ISA_B,
  159 + M68K_FEATURE_CF_ISA_C,
  160 + M68K_FEATURE_CF_FPU,
  161 + M68K_FEATURE_CF_MAC,
  162 + M68K_FEATURE_CF_EMAC,
  163 + M68K_FEATURE_EXT_FULL /* 68020+ full extension word. */
  164 +};
  165 +
  166 +static inline int m68k_feature(CPUM68KState *env, int feature)
  167 +{
  168 + return (env->features & (1u << feature)) != 0;
  169 +}
  170 +
  171 +void register_m68k_insns (CPUM68KState *env);
  172 +
154 173 #ifdef CONFIG_USER_ONLY
155 174 /* Linux uses 8k pages. */
156 175 #define TARGET_PAGE_BITS 13
... ...
target-m68k/helper.c
  View file @0402f76
... ... @@ -20,11 +20,74 @@
20 20 */
21 21  
22 22 #include <stdio.h>
  23 +#include <string.h>
23 24  
24 25 #include "config.h"
25 26 #include "cpu.h"
26 27 #include "exec-all.h"
27 28  
  29 +enum m68k_cpuid {
  30 + M68K_CPUID_M5206,
  31 + M68K_CPUID_CFV4E,
  32 + M68K_CPUID_ANY,
  33 +};
  34 +
  35 +struct m68k_def_t {
  36 + const char * name;
  37 + enum m68k_cpuid id;
  38 +};
  39 +
  40 +static m68k_def_t m68k_cpu_defs[] = {
  41 + {"m5206", M68K_CPUID_M5206},
  42 + {"cfv4e", M68K_CPUID_CFV4E},
  43 + {"any", M68K_CPUID_ANY},
  44 + {NULL, 0},
  45 +};
  46 +
  47 +static void m68k_set_feature(CPUM68KState *env, int feature)
  48 +{
  49 + env->features |= (1u << feature);
  50 +}
  51 +
  52 +int cpu_m68k_set_model(CPUM68KState *env, const char * name)
  53 +{
  54 + m68k_def_t *def;
  55 +
  56 + for (def = m68k_cpu_defs; def->name; def++) {
  57 + if (strcmp(def->name, name) == 0)
  58 + break;
  59 + }
  60 + if (!def->name)
  61 + return 1;
  62 +
  63 + switch (def->id) {
  64 + case M68K_CPUID_M5206:
  65 + m68k_set_feature(env, M68K_FEATURE_CF_ISA_A);
  66 + break;
  67 + case M68K_CPUID_CFV4E:
  68 + m68k_set_feature(env, M68K_FEATURE_CF_ISA_A);
  69 + m68k_set_feature(env, M68K_FEATURE_CF_ISA_B);
  70 + m68k_set_feature(env, M68K_FEATURE_CF_ISA_C);
  71 + m68k_set_feature(env, M68K_FEATURE_CF_FPU);
  72 + m68k_set_feature(env, M68K_FEATURE_CF_MAC);
  73 + m68k_set_feature(env, M68K_FEATURE_CF_EMAC);
  74 + break;
  75 + case M68K_CPUID_ANY:
  76 + m68k_set_feature(env, M68K_FEATURE_CF_ISA_A);
  77 + m68k_set_feature(env, M68K_FEATURE_CF_ISA_B);
  78 + m68k_set_feature(env, M68K_FEATURE_CF_ISA_C);
  79 + m68k_set_feature(env, M68K_FEATURE_CF_FPU);
  80 + m68k_set_feature(env, M68K_FEATURE_CF_MAC);
  81 + m68k_set_feature(env, M68K_FEATURE_CF_EMAC);
  82 + m68k_set_feature(env, M68K_FEATURE_EXT_FULL);
  83 + break;
  84 + }
  85 +
  86 + register_m68k_insns(env);
  87 +
  88 + return 0;
  89 +}
  90 +
28 91 void cpu_m68k_flush_flags(CPUM68KState *env, int cc_op)
29 92 {
30 93 int flags;
... ...
target-m68k/translate.c
  View file @0402f76
... ... @@ -108,25 +108,6 @@ enum {
108 108 #define AREG(insn, pos) (((insn >> pos) & 7) + QREG_A0)
109 109 #define FREG(insn, pos) (((insn >> pos) & 7) + QREG_F0)
110 110  
111   -#define M68K_INSN_CF_A (1 << 0)
112   -#define M68K_INSN_CF_B (1 << 1)
113   -#define M68K_INSN_CF_C (1 << 2)
114   -#define M68K_INSN_CF_MAC (1 << 3)
115   -#define M68K_INSN_CF_EMAC (1 << 4)
116   -#define M68K_INSN_CF_FPU (1 << 5)
117   -
118   -struct m68k_def_t {
119   - const char * name;
120   - uint32_t insns;
121   -};
122   -
123   -static m68k_def_t m68k_cpu_defs[] = {
124   - {"m5206", M68K_INSN_CF_A},
125   - {"cfv4e", M68K_INSN_CF_A | M68K_INSN_CF_B | M68K_INSN_CF_C
126   - | M68K_INSN_CF_MAC | M68K_INSN_CF_EMAC | M68K_INSN_CF_FPU},
127   - {NULL, 0},
128   -};
129   -
130 111 typedef void (*disas_proc)(DisasContext *, uint16_t);
131 112  
132 113 #ifdef DEBUG_DISPATCH
... ... @@ -2348,109 +2329,105 @@ register_opcode (disas_proc proc, uint16_t opcode, uint16_t mask)
2348 2329  
2349 2330 /* Register m68k opcode handlers. Order is important.
2350 2331 Later insn override earlier ones. */
2351   -static void
2352   -register_m68k_insns (m68k_def_t *def)
  2332 +void register_m68k_insns (CPUM68KState *env)
2353 2333 {
2354   - uint32_t iflags;
2355   -
2356   - iflags = def->insns;
2357   -#define INSN(name, opcode, mask, isa) \
2358   - if (iflags & M68K_INSN_##isa) \
  2334 +#define INSN(name, opcode, mask, feature) \
  2335 + if (m68k_feature(env, M68K_FEATURE_##feature)) \
2359 2336 register_opcode(disas_##name, 0x##opcode, 0x##mask)
2360   - INSN(undef, 0000, 0000, CF_A);
2361   - INSN(arith_im, 0080, fff8, CF_A);
2362   - INSN(bitrev, 00c0, fff8, CF_C);
2363   - INSN(bitop_reg, 0100, f1c0, CF_A);
2364   - INSN(bitop_reg, 0140, f1c0, CF_A);
2365   - INSN(bitop_reg, 0180, f1c0, CF_A);
2366   - INSN(bitop_reg, 01c0, f1c0, CF_A);
2367   - INSN(arith_im, 0280, fff8, CF_A);
2368   - INSN(byterev, 02c0, fff8, CF_A);
2369   - INSN(arith_im, 0480, fff8, CF_A);
2370   - INSN(ff1, 04c0, fff8, CF_C);
2371   - INSN(arith_im, 0680, fff8, CF_A);
2372   - INSN(bitop_im, 0800, ffc0, CF_A);
2373   - INSN(bitop_im, 0840, ffc0, CF_A);
2374   - INSN(bitop_im, 0880, ffc0, CF_A);
2375   - INSN(bitop_im, 08c0, ffc0, CF_A);
2376   - INSN(arith_im, 0a80, fff8, CF_A);
2377   - INSN(arith_im, 0c00, ff38, CF_A);
2378   - INSN(move, 1000, f000, CF_A);
2379   - INSN(move, 2000, f000, CF_A);
2380   - INSN(move, 3000, f000, CF_A);
2381   - INSN(strldsr, 40e7, ffff, CF_A);
2382   - INSN(negx, 4080, fff8, CF_A);
2383   - INSN(move_from_sr, 40c0, fff8, CF_A);
2384   - INSN(lea, 41c0, f1c0, CF_A);
2385   - INSN(clr, 4200, ff00, CF_A);
2386   - INSN(undef, 42c0, ffc0, CF_A);
2387   - INSN(move_from_ccr, 42c0, fff8, CF_A);
2388   - INSN(neg, 4480, fff8, CF_A);
2389   - INSN(move_to_ccr, 44c0, ffc0, CF_A);
2390   - INSN(not, 4680, fff8, CF_A);
2391   - INSN(move_to_sr, 46c0, ffc0, CF_A);
2392   - INSN(pea, 4840, ffc0, CF_A);
2393   - INSN(swap, 4840, fff8, CF_A);
2394   - INSN(movem, 48c0, fbc0, CF_A);
2395   - INSN(ext, 4880, fff8, CF_A);
2396   - INSN(ext, 48c0, fff8, CF_A);
2397   - INSN(ext, 49c0, fff8, CF_A);
2398   - INSN(tst, 4a00, ff00, CF_A);
2399   - INSN(tas, 4ac0, ffc0, CF_B);
2400   - INSN(halt, 4ac8, ffff, CF_A);
2401   - INSN(pulse, 4acc, ffff, CF_A);
2402   - INSN(illegal, 4afc, ffff, CF_A);
2403   - INSN(mull, 4c00, ffc0, CF_A);
2404   - INSN(divl, 4c40, ffc0, CF_A);
2405   - INSN(sats, 4c80, fff8, CF_B);
2406   - INSN(trap, 4e40, fff0, CF_A);
2407   - INSN(link, 4e50, fff8, CF_A);
2408   - INSN(unlk, 4e58, fff8, CF_A);
2409   - INSN(move_to_usp, 4e60, fff8, CF_B);
2410   - INSN(move_from_usp, 4e68, fff8, CF_B);
2411   - INSN(nop, 4e71, ffff, CF_A);
2412   - INSN(stop, 4e72, ffff, CF_A);
2413   - INSN(rte, 4e73, ffff, CF_A);
2414   - INSN(rts, 4e75, ffff, CF_A);
2415   - INSN(movec, 4e7b, ffff, CF_A);
2416   - INSN(jump, 4e80, ffc0, CF_A);
2417   - INSN(jump, 4ec0, ffc0, CF_A);
2418   - INSN(addsubq, 5180, f1c0, CF_A);
2419   - INSN(scc, 50c0, f0f8, CF_A);
2420   - INSN(addsubq, 5080, f1c0, CF_A);
2421   - INSN(tpf, 51f8, fff8, CF_A);
2422   - INSN(branch, 6000, f000, CF_A);
2423   - INSN(moveq, 7000, f100, CF_A);
2424   - INSN(mvzs, 7100, f100, CF_B);
2425   - INSN(or, 8000, f000, CF_A);
2426   - INSN(divw, 80c0, f0c0, CF_A);
2427   - INSN(addsub, 9000, f000, CF_A);
2428   - INSN(subx, 9180, f1f8, CF_A);
2429   - INSN(suba, 91c0, f1c0, CF_A);
2430   - INSN(undef_mac, a000, f000, CF_A);
2431   - INSN(mov3q, a140, f1c0, CF_B);
2432   - INSN(cmp, b000, f1c0, CF_B); /* cmp.b */
2433   - INSN(cmp, b040, f1c0, CF_B); /* cmp.w */
2434   - INSN(cmpa, b0c0, f1c0, CF_B); /* cmpa.w */
2435   - INSN(cmp, b080, f1c0, CF_A);
2436   - INSN(cmpa, b1c0, f1c0, CF_A);
2437   - INSN(eor, b180, f1c0, CF_A);
2438   - INSN(and, c000, f000, CF_A);
2439   - INSN(mulw, c0c0, f0c0, CF_A);
2440   - INSN(addsub, d000, f000, CF_A);
2441   - INSN(addx, d180, f1f8, CF_A);
2442   - INSN(adda, d1c0, f1c0, CF_A);
2443   - INSN(shift_im, e080, f0f0, CF_A);
2444   - INSN(shift_reg, e0a0, f0f0, CF_A);
2445   - INSN(undef_fpu, f000, f000, CF_A);
  2337 + INSN(undef, 0000, 0000, CF_ISA_A);
  2338 + INSN(arith_im, 0080, fff8, CF_ISA_A);
  2339 + INSN(bitrev, 00c0, fff8, CF_ISA_C);
  2340 + INSN(bitop_reg, 0100, f1c0, CF_ISA_A);
  2341 + INSN(bitop_reg, 0140, f1c0, CF_ISA_A);
  2342 + INSN(bitop_reg, 0180, f1c0, CF_ISA_A);
  2343 + INSN(bitop_reg, 01c0, f1c0, CF_ISA_A);
  2344 + INSN(arith_im, 0280, fff8, CF_ISA_A);
  2345 + INSN(byterev, 02c0, fff8, CF_ISA_A);
  2346 + INSN(arith_im, 0480, fff8, CF_ISA_A);
  2347 + INSN(ff1, 04c0, fff8, CF_ISA_C);
  2348 + INSN(arith_im, 0680, fff8, CF_ISA_A);
  2349 + INSN(bitop_im, 0800, ffc0, CF_ISA_A);
  2350 + INSN(bitop_im, 0840, ffc0, CF_ISA_A);
  2351 + INSN(bitop_im, 0880, ffc0, CF_ISA_A);
  2352 + INSN(bitop_im, 08c0, ffc0, CF_ISA_A);
  2353 + INSN(arith_im, 0a80, fff8, CF_ISA_A);
  2354 + INSN(arith_im, 0c00, ff38, CF_ISA_A);
  2355 + INSN(move, 1000, f000, CF_ISA_A);
  2356 + INSN(move, 2000, f000, CF_ISA_A);
  2357 + INSN(move, 3000, f000, CF_ISA_A);
  2358 + INSN(strldsr, 40e7, ffff, CF_ISA_A);
  2359 + INSN(negx, 4080, fff8, CF_ISA_A);
  2360 + INSN(move_from_sr, 40c0, fff8, CF_ISA_A);
  2361 + INSN(lea, 41c0, f1c0, CF_ISA_A);
  2362 + INSN(clr, 4200, ff00, CF_ISA_A);
  2363 + INSN(undef, 42c0, ffc0, CF_ISA_A);
  2364 + INSN(move_from_ccr, 42c0, fff8, CF_ISA_A);
  2365 + INSN(neg, 4480, fff8, CF_ISA_A);
  2366 + INSN(move_to_ccr, 44c0, ffc0, CF_ISA_A);
  2367 + INSN(not, 4680, fff8, CF_ISA_A);
  2368 + INSN(move_to_sr, 46c0, ffc0, CF_ISA_A);
  2369 + INSN(pea, 4840, ffc0, CF_ISA_A);
  2370 + INSN(swap, 4840, fff8, CF_ISA_A);
  2371 + INSN(movem, 48c0, fbc0, CF_ISA_A);
  2372 + INSN(ext, 4880, fff8, CF_ISA_A);
  2373 + INSN(ext, 48c0, fff8, CF_ISA_A);
  2374 + INSN(ext, 49c0, fff8, CF_ISA_A);
  2375 + INSN(tst, 4a00, ff00, CF_ISA_A);
  2376 + INSN(tas, 4ac0, ffc0, CF_ISA_B);
  2377 + INSN(halt, 4ac8, ffff, CF_ISA_A);
  2378 + INSN(pulse, 4acc, ffff, CF_ISA_A);
  2379 + INSN(illegal, 4afc, ffff, CF_ISA_A);
  2380 + INSN(mull, 4c00, ffc0, CF_ISA_A);
  2381 + INSN(divl, 4c40, ffc0, CF_ISA_A);
  2382 + INSN(sats, 4c80, fff8, CF_ISA_B);
  2383 + INSN(trap, 4e40, fff0, CF_ISA_A);
  2384 + INSN(link, 4e50, fff8, CF_ISA_A);
  2385 + INSN(unlk, 4e58, fff8, CF_ISA_A);
  2386 + INSN(move_to_usp, 4e60, fff8, CF_ISA_B);
  2387 + INSN(move_from_usp, 4e68, fff8, CF_ISA_B);
  2388 + INSN(nop, 4e71, ffff, CF_ISA_A);
  2389 + INSN(stop, 4e72, ffff, CF_ISA_A);
  2390 + INSN(rte, 4e73, ffff, CF_ISA_A);
  2391 + INSN(rts, 4e75, ffff, CF_ISA_A);
  2392 + INSN(movec, 4e7b, ffff, CF_ISA_A);
  2393 + INSN(jump, 4e80, ffc0, CF_ISA_A);
  2394 + INSN(jump, 4ec0, ffc0, CF_ISA_A);
  2395 + INSN(addsubq, 5180, f1c0, CF_ISA_A);
  2396 + INSN(scc, 50c0, f0f8, CF_ISA_A);
  2397 + INSN(addsubq, 5080, f1c0, CF_ISA_A);
  2398 + INSN(tpf, 51f8, fff8, CF_ISA_A);
  2399 + INSN(branch, 6000, f000, CF_ISA_A);
  2400 + INSN(moveq, 7000, f100, CF_ISA_A);
  2401 + INSN(mvzs, 7100, f100, CF_ISA_B);
  2402 + INSN(or, 8000, f000, CF_ISA_A);
  2403 + INSN(divw, 80c0, f0c0, CF_ISA_A);
  2404 + INSN(addsub, 9000, f000, CF_ISA_A);
  2405 + INSN(subx, 9180, f1f8, CF_ISA_A);
  2406 + INSN(suba, 91c0, f1c0, CF_ISA_A);
  2407 + INSN(undef_mac, a000, f000, CF_ISA_A);
  2408 + INSN(mov3q, a140, f1c0, CF_ISA_B);
  2409 + INSN(cmp, b000, f1c0, CF_ISA_B); /* cmp.b */
  2410 + INSN(cmp, b040, f1c0, CF_ISA_B); /* cmp.w */
  2411 + INSN(cmpa, b0c0, f1c0, CF_ISA_B); /* cmpa.w */
  2412 + INSN(cmp, b080, f1c0, CF_ISA_A);
  2413 + INSN(cmpa, b1c0, f1c0, CF_ISA_A);
  2414 + INSN(eor, b180, f1c0, CF_ISA_A);
  2415 + INSN(and, c000, f000, CF_ISA_A);
  2416 + INSN(mulw, c0c0, f0c0, CF_ISA_A);
  2417 + INSN(addsub, d000, f000, CF_ISA_A);
  2418 + INSN(addx, d180, f1f8, CF_ISA_A);
  2419 + INSN(adda, d1c0, f1c0, CF_ISA_A);
  2420 + INSN(shift_im, e080, f0f0, CF_ISA_A);
  2421 + INSN(shift_reg, e0a0, f0f0, CF_ISA_A);
  2422 + INSN(undef_fpu, f000, f000, CF_ISA_A);
2446 2423 INSN(fpu, f200, ffc0, CF_FPU);
2447 2424 INSN(fbcc, f280, ffc0, CF_FPU);
2448 2425 INSN(frestore, f340, ffc0, CF_FPU);
2449 2426 INSN(fsave, f340, ffc0, CF_FPU);
2450   - INSN(intouch, f340, ffc0, CF_A);
2451   - INSN(cpushl, f428, ff38, CF_A);
2452   - INSN(wddata, fb00, ff00, CF_A);
2453   - INSN(wdebug, fbc0, ffc0, CF_A);
  2427 + INSN(intouch, f340, ffc0, CF_ISA_A);
  2428 + INSN(cpushl, f428, ff38, CF_ISA_A);
  2429 + INSN(wddata, fb00, ff00, CF_ISA_A);
  2430 + INSN(wdebug, fbc0, ffc0, CF_ISA_A);
2454 2431 #undef INSN
2455 2432 }
2456 2433  
... ... @@ -2880,22 +2857,6 @@ void cpu_m68k_close(CPUM68KState *env)
2880 2857 free(env);
2881 2858 }
2882 2859  
2883   -int cpu_m68k_set_model(CPUM68KState *env, const char * name)
2884   -{
2885   - m68k_def_t *def;
2886   -
2887   - for (def = m68k_cpu_defs; def->name; def++) {
2888   - if (strcmp(def->name, name) == 0)
2889   - break;
2890   - }
2891   - if (!def->name)
2892   - return 1;
2893   -
2894   - register_m68k_insns(def);
2895   -
2896   - return 0;
2897   -}
2898   -
2899 2860 void cpu_dump_state(CPUState *env, FILE *f,
2900 2861 int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
2901 2862 int flags)
... ...