Revision 8aa3fa20 target-alpha/translate.c
| b/target-alpha/translate.c | ||
|---|---|---|
| 74 | 74 |
|
| 75 | 75 |
/* We are exiting the TB, but have neither emitted a goto_tb, nor |
| 76 | 76 |
updated the PC for the next instruction to be executed. */ |
| 77 |
EXIT_PC_STALE |
|
| 77 |
EXIT_PC_STALE, |
|
| 78 |
|
|
| 79 |
/* We are ending the TB with a noreturn function call, e.g. longjmp. |
|
| 80 |
No following code will be executed. */ |
|
| 81 |
EXIT_NORETURN, |
|
| 78 | 82 |
} ExitStatus; |
| 79 | 83 |
|
| 80 | 84 |
/* global register indexes */ |
| ... | ... | |
| 134 | 138 |
done_init = 1; |
| 135 | 139 |
} |
| 136 | 140 |
|
| 137 |
static inline void gen_excp(DisasContext *ctx, int exception, int error_code)
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|
| 141 |
static ExitStatus gen_excp(DisasContext *ctx, int exception, int error_code)
|
|
| 138 | 142 |
{
|
| 139 | 143 |
TCGv_i32 tmp1, tmp2; |
| 140 | 144 |
|
| ... | ... | |
| 144 | 148 |
gen_helper_excp(tmp1, tmp2); |
| 145 | 149 |
tcg_temp_free_i32(tmp2); |
| 146 | 150 |
tcg_temp_free_i32(tmp1); |
| 151 |
|
|
| 152 |
return EXIT_NORETURN; |
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| 147 | 153 |
} |
| 148 | 154 |
|
| 149 |
static inline void gen_invalid(DisasContext *ctx)
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static inline ExitStatus gen_invalid(DisasContext *ctx)
|
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| 150 | 156 |
{
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gen_excp(ctx, EXCP_OPCDEC, 0); |
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return gen_excp(ctx, EXCP_OPCDEC, 0);
|
|
| 152 | 158 |
} |
| 153 | 159 |
|
| 154 | 160 |
static inline void gen_qemu_ldf(TCGv t0, TCGv t1, int flags) |
| ... | ... | |
| 1457 | 1463 |
#endif |
| 1458 | 1464 |
if (palcode >= 0x80 && palcode < 0xC0) {
|
| 1459 | 1465 |
/* Unprivileged PAL call */ |
| 1460 |
gen_excp(ctx, EXCP_CALL_PAL + ((palcode & 0x3F) << 6), 0); |
|
| 1461 |
/* PC updated by gen_excp. */ |
|
| 1462 |
ret = EXIT_PC_UPDATED; |
|
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ret = gen_excp(ctx, EXCP_CALL_PAL + ((palcode & 0x3F) << 6), 0); |
|
| 1463 | 1467 |
break; |
| 1464 | 1468 |
} |
| 1465 | 1469 |
#ifndef CONFIG_USER_ONLY |
| ... | ... | |
| 1467 | 1471 |
/* Privileged PAL code */ |
| 1468 | 1472 |
if (ctx->mem_idx & 1) |
| 1469 | 1473 |
goto invalid_opc; |
| 1470 |
gen_excp(ctx, EXCP_CALL_PALP + ((palcode & 0x3F) << 6), 0); |
|
| 1474 |
ret = gen_excp(ctx, EXCP_CALL_PALP + ((palcode & 0x3F) << 6), 0);
|
|
| 1471 | 1475 |
} |
| 1472 | 1476 |
#endif |
| 1473 | 1477 |
/* Invalid PAL call */ |
| ... | ... | |
| 3075 | 3079 |
ret = gen_bcond(ctx, TCG_COND_GT, ra, disp21, 0); |
| 3076 | 3080 |
break; |
| 3077 | 3081 |
invalid_opc: |
| 3078 |
gen_invalid(ctx); |
|
| 3079 |
/* PC updated by gen_excp. */ |
|
| 3080 |
ret = EXIT_PC_UPDATED; |
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| 3082 |
ret = gen_invalid(ctx); |
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| 3081 | 3083 |
break; |
| 3082 | 3084 |
} |
| 3083 | 3085 |
|
| ... | ... | |
| 3181 | 3183 |
|
| 3182 | 3184 |
switch (ret) {
|
| 3183 | 3185 |
case EXIT_GOTO_TB: |
| 3186 |
case EXIT_NORETURN: |
|
| 3184 | 3187 |
break; |
| 3185 | 3188 |
case EXIT_PC_STALE: |
| 3186 | 3189 |
tcg_gen_movi_i64(cpu_pc, ctx.pc); |
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