diff options
Diffstat (limited to 'target-xtensa/translate.c')
| -rw-r--r-- | target-xtensa/translate.c | 83 |
1 files changed, 81 insertions, 2 deletions
diff --git a/target-xtensa/translate.c b/target-xtensa/translate.c index 2d2df33115..9f5895e021 100644 --- a/target-xtensa/translate.c +++ b/target-xtensa/translate.c @@ -98,12 +98,15 @@ typedef struct XtensaReg { #define XTENSA_REG(regname, opt) XTENSA_REG_ACCESS(regname, opt, SR_RWX) -#define XTENSA_REG_BITS(regname, opt) { \ +#define XTENSA_REG_BITS_ACCESS(regname, opt, acc) { \ .name = (regname), \ .opt_bits = (opt), \ - .access = SR_RWX, \ + .access = (acc), \ } +#define XTENSA_REG_BITS(regname, opt) \ + XTENSA_REG_BITS_ACCESS(regname, opt, SR_RWX) + static const XtensaReg sregnames[256] = { [LBEG] = XTENSA_REG("LBEG", XTENSA_OPTION_LOOP), [LEND] = XTENSA_REG("LEND", XTENSA_OPTION_LOOP), @@ -134,6 +137,7 @@ static const XtensaReg sregnames[256] = { [DBREAKA + 1] = XTENSA_REG("DBREAKA1", XTENSA_OPTION_DEBUG), [DBREAKC] = XTENSA_REG("DBREAKC0", XTENSA_OPTION_DEBUG), [DBREAKC + 1] = XTENSA_REG("DBREAKC1", XTENSA_OPTION_DEBUG), + [CONFIGID0] = XTENSA_REG_BITS_ACCESS("CONFIGID0", XTENSA_OPTION_ALL, SR_R), [EPC1] = XTENSA_REG("EPC1", XTENSA_OPTION_EXCEPTION), [EPC1 + 1] = XTENSA_REG("EPC2", XTENSA_OPTION_HIGH_PRIORITY_INTERRUPT), [EPC1 + 2] = XTENSA_REG("EPC3", XTENSA_OPTION_HIGH_PRIORITY_INTERRUPT), @@ -148,6 +152,7 @@ static const XtensaReg sregnames[256] = { [EPS2 + 3] = XTENSA_REG("EPS5", XTENSA_OPTION_HIGH_PRIORITY_INTERRUPT), [EPS2 + 4] = XTENSA_REG("EPS6", XTENSA_OPTION_HIGH_PRIORITY_INTERRUPT), [EPS2 + 5] = XTENSA_REG("EPS7", XTENSA_OPTION_HIGH_PRIORITY_INTERRUPT), + [CONFIGID1] = XTENSA_REG_BITS_ACCESS("CONFIGID1", XTENSA_OPTION_ALL, SR_R), [EXCSAVE1] = XTENSA_REG("EXCSAVE1", XTENSA_OPTION_EXCEPTION), [EXCSAVE1 + 1] = XTENSA_REG("EXCSAVE2", XTENSA_OPTION_HIGH_PRIORITY_INTERRUPT), @@ -922,6 +927,15 @@ static void disas_xtensa_insn(CPUXtensaState *env, DisasContext *dc) #define RRRN_S RRR_S #define RRRN_T RRR_T +#define RRI4_R RRR_R +#define RRI4_S RRR_S +#define RRI4_T RRR_T +#ifdef TARGET_WORDS_BIGENDIAN +#define RRI4_IMM4 ((b2) & 0xf) +#else +#define RRI4_IMM4 (((b2) & 0xf0) >> 4) +#endif + #define RRI8_R RRR_R #define RRI8_S RRR_S #define RRI8_T RRR_T @@ -2226,6 +2240,20 @@ static void disas_xtensa_insn(CPUXtensaState *env, DisasContext *dc) gen_load_store(st32, 2); break; +#define gen_dcache_hit_test(w, shift) do { \ + TCGv_i32 addr = tcg_temp_new_i32(); \ + TCGv_i32 res = tcg_temp_new_i32(); \ + gen_window_check1(dc, RRI##w##_S); \ + tcg_gen_addi_i32(addr, cpu_R[RRI##w##_S], \ + RRI##w##_IMM##w << shift); \ + tcg_gen_qemu_ld8u(res, addr, dc->cring); \ + tcg_temp_free(addr); \ + tcg_temp_free(res); \ + } while (0) + +#define gen_dcache_hit_test4() gen_dcache_hit_test(4, 4) +#define gen_dcache_hit_test8() gen_dcache_hit_test(8, 2) + case 7: /*CACHEc*/ if (RRI8_T < 8) { HAS_OPTION(XTENSA_OPTION_DCACHE); @@ -2233,49 +2261,69 @@ static void disas_xtensa_insn(CPUXtensaState *env, DisasContext *dc) switch (RRI8_T) { case 0: /*DPFRc*/ + gen_window_check1(dc, RRI8_S); break; case 1: /*DPFWc*/ + gen_window_check1(dc, RRI8_S); break; case 2: /*DPFROc*/ + gen_window_check1(dc, RRI8_S); break; case 3: /*DPFWOc*/ + gen_window_check1(dc, RRI8_S); break; case 4: /*DHWBc*/ + gen_dcache_hit_test8(); break; case 5: /*DHWBIc*/ + gen_dcache_hit_test8(); break; case 6: /*DHIc*/ + gen_check_privilege(dc); + gen_dcache_hit_test8(); break; case 7: /*DIIc*/ + gen_check_privilege(dc); + gen_window_check1(dc, RRI8_S); break; case 8: /*DCEc*/ switch (OP1) { case 0: /*DPFLl*/ HAS_OPTION(XTENSA_OPTION_DCACHE_INDEX_LOCK); + gen_check_privilege(dc); + gen_dcache_hit_test4(); break; case 2: /*DHUl*/ HAS_OPTION(XTENSA_OPTION_DCACHE_INDEX_LOCK); + gen_check_privilege(dc); + gen_dcache_hit_test4(); break; case 3: /*DIUl*/ HAS_OPTION(XTENSA_OPTION_DCACHE_INDEX_LOCK); + gen_check_privilege(dc); + gen_window_check1(dc, RRI4_S); break; case 4: /*DIWBc*/ HAS_OPTION(XTENSA_OPTION_DCACHE); + gen_check_privilege(dc); + gen_window_check1(dc, RRI4_S); break; case 5: /*DIWBIc*/ HAS_OPTION(XTENSA_OPTION_DCACHE); + gen_check_privilege(dc); + gen_window_check1(dc, RRI4_S); break; default: /*reserved*/ @@ -2285,22 +2333,46 @@ static void disas_xtensa_insn(CPUXtensaState *env, DisasContext *dc) } break; +#undef gen_dcache_hit_test +#undef gen_dcache_hit_test4 +#undef gen_dcache_hit_test8 + +#define gen_icache_hit_test(w, shift) do { \ + TCGv_i32 addr = tcg_temp_new_i32(); \ + gen_window_check1(dc, RRI##w##_S); \ + tcg_gen_movi_i32(cpu_pc, dc->pc); \ + tcg_gen_addi_i32(addr, cpu_R[RRI##w##_S], \ + RRI##w##_IMM##w << shift); \ + gen_helper_itlb_hit_test(cpu_env, addr); \ + tcg_temp_free(addr); \ + } while (0) + +#define gen_icache_hit_test4() gen_icache_hit_test(4, 4) +#define gen_icache_hit_test8() gen_icache_hit_test(8, 2) + case 12: /*IPFc*/ HAS_OPTION(XTENSA_OPTION_ICACHE); + gen_window_check1(dc, RRI8_S); break; case 13: /*ICEc*/ switch (OP1) { case 0: /*IPFLl*/ HAS_OPTION(XTENSA_OPTION_ICACHE_INDEX_LOCK); + gen_check_privilege(dc); + gen_icache_hit_test4(); break; case 2: /*IHUl*/ HAS_OPTION(XTENSA_OPTION_ICACHE_INDEX_LOCK); + gen_check_privilege(dc); + gen_icache_hit_test4(); break; case 3: /*IIUl*/ HAS_OPTION(XTENSA_OPTION_ICACHE_INDEX_LOCK); + gen_check_privilege(dc); + gen_window_check1(dc, RRI4_S); break; default: /*reserved*/ @@ -2311,10 +2383,13 @@ static void disas_xtensa_insn(CPUXtensaState *env, DisasContext *dc) case 14: /*IHIc*/ HAS_OPTION(XTENSA_OPTION_ICACHE); + gen_icache_hit_test8(); break; case 15: /*IIIc*/ HAS_OPTION(XTENSA_OPTION_ICACHE); + gen_check_privilege(dc); + gen_window_check1(dc, RRI8_S); break; default: /*reserved*/ @@ -2323,6 +2398,10 @@ static void disas_xtensa_insn(CPUXtensaState *env, DisasContext *dc) } break; +#undef gen_icache_hit_test +#undef gen_icache_hit_test4 +#undef gen_icache_hit_test8 + case 9: /*L16SI*/ gen_load_store(ld16s, 1); break; |