diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2018-02-11 17:09:30 -0800 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2019-02-12 08:48:27 -0800 |
| commit | 312347683cb4225a2e6001d18e0a8a67d3f8727b (patch) | |
| tree | 9a6ebe1499a14e11ff0ccde99deb1ead4ad1801a /target | |
| parent | 0b5e750bea635b167eb03d86c3d9a09bbd43bc06 (diff) | |
| download | qemu-312347683cb4225a2e6001d18e0a8a67d3f8727b.zip | |
target/hppa: Use DisasContextBase.is_jmp
Instead of returning DisasJumpType, immediately store it.
Return true in preparation for conversion to the decodetree script.
Tested-by: Helge Deller <deller@gmx.de>
Tested-by: Sven Schnelle <svens@stackframe.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target')
| -rw-r--r-- | target/hppa/translate.c | 1011 |
1 files changed, 528 insertions, 483 deletions
diff --git a/target/hppa/translate.c b/target/hppa/translate.c index 51bfd9849d..a4f253a022 100644 --- a/target/hppa/translate.c +++ b/target/hppa/translate.c @@ -278,10 +278,6 @@ typedef struct DisasContext { bool psw_n_nonzero; } DisasContext; -/* Target-specific return values from translate_one, indicating the - state of the TB. Note that DISAS_NEXT indicates that we are not - exiting the TB. */ - /* We are not using a goto_tb (for whatever reason), but have updated the iaq (for whatever reason), so don't do it again on exit. */ #define DISAS_IAQ_N_UPDATED DISAS_TARGET_0 @@ -296,8 +292,8 @@ typedef struct DisasContext { typedef struct DisasInsn { uint32_t insn, mask; - DisasJumpType (*trans)(DisasContext *ctx, uint32_t insn, - const struct DisasInsn *f); + bool (*trans)(DisasContext *ctx, uint32_t insn, + const struct DisasInsn *f); union { void (*ttt)(TCGv_reg, TCGv_reg, TCGv_reg); void (*weww)(TCGv_i32, TCGv_env, TCGv_i32, TCGv_i32); @@ -666,9 +662,10 @@ static void nullify_set(DisasContext *ctx, bool x) /* Mark the end of an instruction that may have been nullified. This is the pair to nullify_over. */ -static DisasJumpType nullify_end(DisasContext *ctx, DisasJumpType status) +static bool nullify_end(DisasContext *ctx) { TCGLabel *null_lab = ctx->null_lab; + DisasJumpType status = ctx->base.is_jmp; /* For NEXT, NORETURN, STALE, we can easily continue (or exit). For UPDATED, we cannot update on the nullified path. */ @@ -678,7 +675,7 @@ static DisasJumpType nullify_end(DisasContext *ctx, DisasJumpType status) /* The current insn wasn't conditional or handled the condition applied to it without a branch, so the (new) setting of NULL_COND can be applied directly to the next insn. */ - return status; + return true; } ctx->null_lab = NULL; @@ -696,9 +693,9 @@ static DisasJumpType nullify_end(DisasContext *ctx, DisasJumpType status) ctx->null_cond = cond_make_n(); } if (status == DISAS_NORETURN) { - status = DISAS_NEXT; + ctx->base.is_jmp = DISAS_NEXT; } - return status; + return true; } static void copy_iaoq_entry(TCGv_reg dest, target_ureg ival, TCGv_reg vval) @@ -722,41 +719,44 @@ static void gen_excp_1(int exception) tcg_temp_free_i32(t); } -static DisasJumpType gen_excp(DisasContext *ctx, int exception) +static void gen_excp(DisasContext *ctx, int exception) { copy_iaoq_entry(cpu_iaoq_f, ctx->iaoq_f, cpu_iaoq_f); copy_iaoq_entry(cpu_iaoq_b, ctx->iaoq_b, cpu_iaoq_b); nullify_save(ctx); gen_excp_1(exception); - return DISAS_NORETURN; + ctx->base.is_jmp = DISAS_NORETURN; } -static DisasJumpType gen_excp_iir(DisasContext *ctx, int exc) +static bool gen_excp_iir(DisasContext *ctx, int exc) { - TCGv_reg tmp = tcg_const_reg(ctx->insn); + TCGv_reg tmp; + + nullify_over(ctx); + tmp = tcg_const_reg(ctx->insn); tcg_gen_st_reg(tmp, cpu_env, offsetof(CPUHPPAState, cr[CR_IIR])); tcg_temp_free(tmp); - return gen_excp(ctx, exc); + gen_excp(ctx, exc); + return nullify_end(ctx); } -static DisasJumpType gen_illegal(DisasContext *ctx) +static bool gen_illegal(DisasContext *ctx) { - nullify_over(ctx); - return nullify_end(ctx, gen_excp_iir(ctx, EXCP_ILL)); + return gen_excp_iir(ctx, EXCP_ILL); } -#define CHECK_MOST_PRIVILEGED(EXCP) \ - do { \ - if (ctx->privilege != 0) { \ - nullify_over(ctx); \ - return nullify_end(ctx, gen_excp_iir(ctx, EXCP)); \ - } \ +#define CHECK_MOST_PRIVILEGED(EXCP) \ + do { \ + if (ctx->privilege != 0) { \ + return gen_excp_iir(ctx, EXCP); \ + } \ } while (0) static bool use_goto_tb(DisasContext *ctx, target_ureg dest) { /* Suppress goto_tb in the case of single-steping and IO. */ - if ((tb_cflags(ctx->base.tb) & CF_LAST_IO) || ctx->base.singlestep_enabled) { + if ((tb_cflags(ctx->base.tb) & CF_LAST_IO) + || ctx->base.singlestep_enabled) { return false; } return true; @@ -1119,9 +1119,9 @@ static TCGv_reg do_sub_sv(DisasContext *ctx, TCGv_reg res, return sv; } -static DisasJumpType do_add(DisasContext *ctx, unsigned rt, TCGv_reg in1, - TCGv_reg in2, unsigned shift, bool is_l, - bool is_tsv, bool is_tc, bool is_c, unsigned cf) +static void do_add(DisasContext *ctx, unsigned rt, TCGv_reg in1, + TCGv_reg in2, unsigned shift, bool is_l, + bool is_tsv, bool is_tc, bool is_c, unsigned cf) { TCGv_reg dest, cb, cb_msb, sv, tmp; unsigned c = cf >> 1; @@ -1188,12 +1188,11 @@ static DisasJumpType do_add(DisasContext *ctx, unsigned rt, TCGv_reg in1, /* Install the new nullification. */ cond_free(&ctx->null_cond); ctx->null_cond = cond; - return DISAS_NEXT; } -static DisasJumpType do_sub(DisasContext *ctx, unsigned rt, TCGv_reg in1, - TCGv_reg in2, bool is_tsv, bool is_b, - bool is_tc, unsigned cf) +static void do_sub(DisasContext *ctx, unsigned rt, TCGv_reg in1, + TCGv_reg in2, bool is_tsv, bool is_b, + bool is_tc, unsigned cf) { TCGv_reg dest, sv, cb, cb_msb, zero, tmp; unsigned c = cf >> 1; @@ -1255,11 +1254,10 @@ static DisasJumpType do_sub(DisasContext *ctx, unsigned rt, TCGv_reg in1, /* Install the new nullification. */ cond_free(&ctx->null_cond); ctx->null_cond = cond; - return DISAS_NEXT; } -static DisasJumpType do_cmpclr(DisasContext *ctx, unsigned rt, TCGv_reg in1, - TCGv_reg in2, unsigned cf) +static void do_cmpclr(DisasContext *ctx, unsigned rt, TCGv_reg in1, + TCGv_reg in2, unsigned cf) { TCGv_reg dest, sv; DisasCond cond; @@ -1284,12 +1282,11 @@ static DisasJumpType do_cmpclr(DisasContext *ctx, unsigned rt, TCGv_reg in1, /* Install the new nullification. */ cond_free(&ctx->null_cond); ctx->null_cond = cond; - return DISAS_NEXT; } -static DisasJumpType do_log(DisasContext *ctx, unsigned rt, TCGv_reg in1, - TCGv_reg in2, unsigned cf, - void (*fn)(TCGv_reg, TCGv_reg, TCGv_reg)) +static void do_log(DisasContext *ctx, unsigned rt, TCGv_reg in1, + TCGv_reg in2, unsigned cf, + void (*fn)(TCGv_reg, TCGv_reg, TCGv_reg)) { TCGv_reg dest = dest_gpr(ctx, rt); @@ -1302,12 +1299,11 @@ static DisasJumpType do_log(DisasContext *ctx, unsigned rt, TCGv_reg in1, if (cf) { ctx->null_cond = do_log_cond(cf, dest); } - return DISAS_NEXT; } -static DisasJumpType do_unit(DisasContext *ctx, unsigned rt, TCGv_reg in1, - TCGv_reg in2, unsigned cf, bool is_tc, - void (*fn)(TCGv_reg, TCGv_reg, TCGv_reg)) +static void do_unit(DisasContext *ctx, unsigned rt, TCGv_reg in1, + TCGv_reg in2, unsigned cf, bool is_tc, + void (*fn)(TCGv_reg, TCGv_reg, TCGv_reg)) { TCGv_reg dest; DisasCond cond; @@ -1335,7 +1331,6 @@ static DisasJumpType do_unit(DisasContext *ctx, unsigned rt, TCGv_reg in1, cond_free(&ctx->null_cond); ctx->null_cond = cond; } - return DISAS_NEXT; } #ifndef CONFIG_USER_ONLY @@ -1498,9 +1493,9 @@ static void do_store_64(DisasContext *ctx, TCGv_i64 src, unsigned rb, #define do_store_reg do_store_32 #endif -static DisasJumpType do_load(DisasContext *ctx, unsigned rt, unsigned rb, - unsigned rx, int scale, target_sreg disp, - unsigned sp, int modify, TCGMemOp mop) +static void do_load(DisasContext *ctx, unsigned rt, unsigned rb, + unsigned rx, int scale, target_sreg disp, + unsigned sp, int modify, TCGMemOp mop) { TCGv_reg dest; @@ -1516,12 +1511,12 @@ static DisasJumpType do_load(DisasContext *ctx, unsigned rt, unsigned rb, do_load_reg(ctx, dest, rb, rx, scale, disp, sp, modify, mop); save_gpr(ctx, rt, dest); - return nullify_end(ctx, DISAS_NEXT); + nullify_end(ctx); } -static DisasJumpType do_floadw(DisasContext *ctx, unsigned rt, unsigned rb, - unsigned rx, int scale, target_sreg disp, - unsigned sp, int modify) +static void do_floadw(DisasContext *ctx, unsigned rt, unsigned rb, + unsigned rx, int scale, target_sreg disp, + unsigned sp, int modify) { TCGv_i32 tmp; @@ -1536,12 +1531,12 @@ static DisasJumpType do_floadw(DisasContext *ctx, unsigned rt, unsigned rb, gen_helper_loaded_fr0(cpu_env); } - return nullify_end(ctx, DISAS_NEXT); + nullify_end(ctx); } -static DisasJumpType do_floadd(DisasContext *ctx, unsigned rt, unsigned rb, - unsigned rx, int scale, target_sreg disp, - unsigned sp, int modify) +static void do_floadd(DisasContext *ctx, unsigned rt, unsigned rb, + unsigned rx, int scale, target_sreg disp, + unsigned sp, int modify) { TCGv_i64 tmp; @@ -1556,21 +1551,21 @@ static DisasJumpType do_floadd(DisasContext *ctx, unsigned rt, unsigned rb, gen_helper_loaded_fr0(cpu_env); } - return nullify_end(ctx, DISAS_NEXT); + nullify_end(ctx); } -static DisasJumpType do_store(DisasContext *ctx, unsigned rt, unsigned rb, - target_sreg disp, unsigned sp, - int modify, TCGMemOp mop) +static void do_store(DisasContext *ctx, unsigned rt, unsigned rb, + target_sreg disp, unsigned sp, + int modify, TCGMemOp mop) { nullify_over(ctx); do_store_reg(ctx, load_gpr(ctx, rt), rb, 0, 0, disp, sp, modify, mop); - return nullify_end(ctx, DISAS_NEXT); + nullify_end(ctx); } -static DisasJumpType do_fstorew(DisasContext *ctx, unsigned rt, unsigned rb, - unsigned rx, int scale, target_sreg disp, - unsigned sp, int modify) +static void do_fstorew(DisasContext *ctx, unsigned rt, unsigned rb, + unsigned rx, int scale, target_sreg disp, + unsigned sp, int modify) { TCGv_i32 tmp; @@ -1580,12 +1575,12 @@ static DisasJumpType do_fstorew(DisasContext *ctx, unsigned rt, unsigned rb, do_store_32(ctx, tmp, rb, rx, scale, disp, sp, modify, MO_TEUL); tcg_temp_free_i32(tmp); - return nullify_end(ctx, DISAS_NEXT); + nullify_end(ctx); } -static DisasJumpType do_fstored(DisasContext *ctx, unsigned rt, unsigned rb, - unsigned rx, int scale, target_sreg disp, - unsigned sp, int modify) +static void do_fstored(DisasContext *ctx, unsigned rt, unsigned rb, + unsigned rx, int scale, target_sreg disp, + unsigned sp, int modify) { TCGv_i64 tmp; @@ -1595,11 +1590,11 @@ static DisasJumpType do_fstored(DisasContext *ctx, unsigned rt, unsigned rb, do_store_64(ctx, tmp, rb, rx, scale, disp, sp, modify, MO_TEQ); tcg_temp_free_i64(tmp); - return nullify_end(ctx, DISAS_NEXT); + nullify_end(ctx); } -static DisasJumpType do_fop_wew(DisasContext *ctx, unsigned rt, unsigned ra, - void (*func)(TCGv_i32, TCGv_env, TCGv_i32)) +static void do_fop_wew(DisasContext *ctx, unsigned rt, unsigned ra, + void (*func)(TCGv_i32, TCGv_env, TCGv_i32)) { TCGv_i32 tmp; @@ -1610,11 +1605,11 @@ static DisasJumpType do_fop_wew(DisasContext *ctx, unsigned rt, unsigned ra, save_frw_i32(rt, tmp); tcg_temp_free_i32(tmp); - return nullify_end(ctx, DISAS_NEXT); + nullify_end(ctx); } -static DisasJumpType do_fop_wed(DisasContext *ctx, unsigned rt, unsigned ra, - void (*func)(TCGv_i32, TCGv_env, TCGv_i64)) +static void do_fop_wed(DisasContext *ctx, unsigned rt, unsigned ra, + void (*func)(TCGv_i32, TCGv_env, TCGv_i64)) { TCGv_i32 dst; TCGv_i64 src; @@ -1628,11 +1623,11 @@ static DisasJumpType do_fop_wed(DisasContext *ctx, unsigned rt, unsigned ra, tcg_temp_free_i64(src); save_frw_i32(rt, dst); tcg_temp_free_i32(dst); - return nullify_end(ctx, DISAS_NEXT); + nullify_end(ctx); } -static DisasJumpType do_fop_ded(DisasContext *ctx, unsigned rt, unsigned ra, - void (*func)(TCGv_i64, TCGv_env, TCGv_i64)) +static void do_fop_ded(DisasContext *ctx, unsigned rt, unsigned ra, + void (*func)(TCGv_i64, TCGv_env, TCGv_i64)) { TCGv_i64 tmp; @@ -1643,11 +1638,11 @@ static DisasJumpType do_fop_ded(DisasContext *ctx, unsigned rt, unsigned ra, save_frd(rt, tmp); tcg_temp_free_i64(tmp); - return nullify_end(ctx, DISAS_NEXT); + nullify_end(ctx); } -static DisasJumpType do_fop_dew(DisasContext *ctx, unsigned rt, unsigned ra, - void (*func)(TCGv_i64, TCGv_env, TCGv_i32)) +static void do_fop_dew(DisasContext *ctx, unsigned rt, unsigned ra, + void (*func)(TCGv_i64, TCGv_env, TCGv_i32)) { TCGv_i32 src; TCGv_i64 dst; @@ -1661,13 +1656,12 @@ static DisasJumpType do_fop_dew(DisasContext *ctx, unsigned rt, unsigned ra, tcg_temp_free_i32(src); save_frd(rt, dst); tcg_temp_free_i64(dst); - return nullify_end(ctx, DISAS_NEXT); + nullify_end(ctx); } -static DisasJumpType do_fop_weww(DisasContext *ctx, unsigned rt, - unsigned ra, unsigned rb, - void (*func)(TCGv_i32, TCGv_env, - TCGv_i32, TCGv_i32)) +static void do_fop_weww(DisasContext *ctx, unsigned rt, + unsigned ra, unsigned rb, + void (*func)(TCGv_i32, TCGv_env, TCGv_i32, TCGv_i32)) { TCGv_i32 a, b; @@ -1680,13 +1674,12 @@ static DisasJumpType do_fop_weww(DisasContext *ctx, unsigned rt, tcg_temp_free_i32(b); save_frw_i32(rt, a); tcg_temp_free_i32(a); - return nullify_end(ctx, DISAS_NEXT); + nullify_end(ctx); } -static DisasJumpType do_fop_dedd(DisasContext *ctx, unsigned rt, - unsigned ra, unsigned rb, - void (*func)(TCGv_i64, TCGv_env, - TCGv_i64, TCGv_i64)) +static void do_fop_dedd(DisasContext *ctx, unsigned rt, + unsigned ra, unsigned rb, + void (*func)(TCGv_i64, TCGv_env, TCGv_i64, TCGv_i64)) { TCGv_i64 a, b; @@ -1699,13 +1692,13 @@ static DisasJumpType do_fop_dedd(DisasContext *ctx, unsigned rt, tcg_temp_free_i64(b); save_frd(rt, a); tcg_temp_free_i64(a); - return nullify_end(ctx, DISAS_NEXT); + nullify_end(ctx); } /* Emit an unconditional branch to a direct target, which may or may not have already had nullification handled. */ -static DisasJumpType do_dbranch(DisasContext *ctx, target_ureg dest, - unsigned link, bool is_n) +static void do_dbranch(DisasContext *ctx, target_ureg dest, + unsigned link, bool is_n) { if (ctx->null_cond.c == TCG_COND_NEVER && ctx->null_lab == NULL) { if (link != 0) { @@ -1715,7 +1708,6 @@ static DisasJumpType do_dbranch(DisasContext *ctx, target_ureg dest, if (is_n) { ctx->null_cond.c = TCG_COND_ALWAYS; } - return DISAS_NEXT; } else { nullify_over(ctx); @@ -1731,18 +1723,18 @@ static DisasJumpType do_dbranch(DisasContext *ctx, target_ureg dest, gen_goto_tb(ctx, 0, ctx->iaoq_b, dest); } - nullify_end(ctx, DISAS_NEXT); + nullify_end(ctx); nullify_set(ctx, 0); gen_goto_tb(ctx, 1, ctx->iaoq_b, ctx->iaoq_n); - return DISAS_NORETURN; + ctx->base.is_jmp = DISAS_NORETURN; } } /* Emit a conditional branch to a direct target. If the branch itself is nullified, we should have already used nullify_over. */ -static DisasJumpType do_cbranch(DisasContext *ctx, target_sreg disp, bool is_n, - DisasCond *cond) +static void do_cbranch(DisasContext *ctx, target_sreg disp, bool is_n, + DisasCond *cond) { target_ureg dest = iaoq_dest(ctx, disp); TCGLabel *taken = NULL; @@ -1753,10 +1745,12 @@ static DisasJumpType do_cbranch(DisasContext *ctx, target_sreg disp, bool is_n, /* Handle TRUE and NEVER as direct branches. */ if (c == TCG_COND_ALWAYS) { - return do_dbranch(ctx, dest, 0, is_n && disp >= 0); + do_dbranch(ctx, dest, 0, is_n && disp >= 0); + return; } if (c == TCG_COND_NEVER) { - return do_dbranch(ctx, ctx->iaoq_n, 0, is_n && disp < 0); + do_dbranch(ctx, ctx->iaoq_n, 0, is_n && disp < 0); + return; } taken = gen_new_label(); @@ -1799,16 +1793,16 @@ static DisasJumpType do_cbranch(DisasContext *ctx, target_sreg disp, bool is_n, if (ctx->null_lab) { gen_set_label(ctx->null_lab); ctx->null_lab = NULL; - return DISAS_IAQ_N_STALE; + ctx->base.is_jmp = DISAS_IAQ_N_STALE; } else { - return DISAS_NORETURN; + ctx->base.is_jmp = DISAS_NORETURN; } } /* Emit an unconditional branch to an indirect target. This handles nullification of the branch itself. */ -static DisasJumpType do_ibranch(DisasContext *ctx, TCGv_reg dest, - unsigned link, bool is_n) +static void do_ibranch(DisasContext *ctx, TCGv_reg dest, + unsigned link, bool is_n) { TCGv_reg a0, a1, next, tmp; TCGCond c; @@ -1826,7 +1820,8 @@ static DisasJumpType do_ibranch(DisasContext *ctx, TCGv_reg dest, tcg_gen_mov_reg(cpu_iaoq_f, next); tcg_gen_addi_reg(cpu_iaoq_b, next, 4); nullify_set(ctx, 0); - return DISAS_IAQ_N_UPDATED; + ctx->base.is_jmp = DISAS_IAQ_N_UPDATED; + return; } ctx->null_cond.c = TCG_COND_ALWAYS; } @@ -1853,7 +1848,7 @@ static DisasJumpType do_ibranch(DisasContext *ctx, TCGv_reg dest, tcg_gen_movi_reg(cpu_gr[link], ctx->iaoq_n); } tcg_gen_lookup_and_goto_ptr(); - return nullify_end(ctx, DISAS_NEXT); + nullify_end(ctx); } else { cond_prep(&ctx->null_cond); c = ctx->null_cond.c; @@ -1884,8 +1879,6 @@ static DisasJumpType do_ibranch(DisasContext *ctx, TCGv_reg dest, cond_free(&ctx->null_cond); } } - - return DISAS_NEXT; } /* Implement @@ -1926,7 +1919,7 @@ static TCGv_reg do_ibranch_priv(DisasContext *ctx, TCGv_reg offset) in than the "be disp(sr2,r0)" instruction that probably sent us here, is the easiest way to handle the branch delay slot on the aforementioned BE. */ -static DisasJumpType do_page_zero(DisasContext *ctx) +static void do_page_zero(DisasContext *ctx) { /* If by some means we get here with PSW[N]=1, that implies that the B,GATE instruction would be skipped, and we'd fault on the @@ -1954,56 +1947,56 @@ static DisasJumpType do_page_zero(DisasContext *ctx) switch (ctx->iaoq_f & -4) { case 0x00: /* Null pointer call */ gen_excp_1(EXCP_IMP); - return DISAS_NORETURN; + ctx->base.is_jmp = DISAS_NORETURN; + break; case 0xb0: /* LWS */ gen_excp_1(EXCP_SYSCALL_LWS); - return DISAS_NORETURN; + ctx->base.is_jmp = DISAS_NORETURN; + break; case 0xe0: /* SET_THREAD_POINTER */ tcg_gen_st_reg(cpu_gr[26], cpu_env, offsetof(CPUHPPAState, cr[27])); tcg_gen_ori_reg(cpu_iaoq_f, cpu_gr[31], 3); tcg_gen_addi_reg(cpu_iaoq_b, cpu_iaoq_f, 4); - return DISAS_IAQ_N_UPDATED; + ctx->base.is_jmp = DISAS_IAQ_N_UPDATED; + break; case 0x100: /* SYSCALL */ gen_excp_1(EXCP_SYSCALL); - return DISAS_NORETURN; + ctx->base.is_jmp = DISAS_NORETURN; + break; default: do_sigill: gen_excp_1(EXCP_ILL); - return DISAS_NORETURN; + ctx->base.is_jmp = DISAS_NORETURN; + break; } } #endif -static DisasJumpType trans_nop(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_nop(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { cond_free(&ctx->null_cond); - return DISAS_NEXT; + return true; } -static DisasJumpType trans_break(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_break(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { - nullify_over(ctx); - return nullify_end(ctx, gen_excp_iir(ctx, EXCP_BREAK)); + return gen_excp_iir(ctx, EXCP_BREAK); } -static DisasJumpType trans_sync(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_sync(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { /* No point in nullifying the memory barrier. */ tcg_gen_mb(TCG_BAR_SC | TCG_MO_ALL); cond_free(&ctx->null_cond); - return DISAS_NEXT; + return true; } -static DisasJumpType trans_mfia(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_mfia(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned rt = extract32(insn, 0, 5); TCGv_reg tmp = dest_gpr(ctx, rt); @@ -2011,11 +2004,10 @@ static DisasJumpType trans_mfia(DisasContext *ctx, uint32_t insn, save_gpr(ctx, rt, tmp); cond_free(&ctx->null_cond); - return DISAS_NEXT; + return true; } -static DisasJumpType trans_mfsp(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_mfsp(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned rt = extract32(insn, 0, 5); unsigned rs = assemble_sr3(insn); @@ -2031,16 +2023,14 @@ static DisasJumpType trans_mfsp(DisasContext *ctx, uint32_t insn, tcg_temp_free_i64(t0); cond_free(&ctx->null_cond); - return DISAS_NEXT; + return true; } -static DisasJumpType trans_mfctl(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_mfctl(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned rt = extract32(insn, 0, 5); unsigned ctl = extract32(insn, 21, 5); TCGv_reg tmp; - DisasJumpType ret; switch (ctl) { case CR_SAR: @@ -2063,13 +2053,12 @@ static DisasJumpType trans_mfctl(DisasContext *ctx, uint32_t insn, gen_io_start(); gen_helper_read_interval_timer(tmp); gen_io_end(); - ret = DISAS_IAQ_N_STALE; + ctx->base.is_jmp = DISAS_IAQ_N_STALE; } else { gen_helper_read_interval_timer(tmp); - ret = DISAS_NEXT; } save_gpr(ctx, rt, tmp); - return nullify_end(ctx, ret); + return nullify_end(ctx); case 26: case 27: break; @@ -2085,11 +2074,10 @@ static DisasJumpType trans_mfctl(DisasContext *ctx, uint32_t insn, done: cond_free(&ctx->null_cond); - return DISAS_NEXT; + return true; } -static DisasJumpType trans_mtsp(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_mtsp(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned rr = extract32(insn, 16, 5); unsigned rs = assemble_sr3(insn); @@ -2112,11 +2100,10 @@ static DisasJumpType trans_mtsp(DisasContext *ctx, uint32_t insn, } tcg_temp_free_i64(t64); - return nullify_end(ctx, DISAS_NEXT); + return nullify_end(ctx); } -static DisasJumpType trans_mtctl(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_mtctl(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned rin = extract32(insn, 16, 5); unsigned ctl = extract32(insn, 21, 5); @@ -2130,7 +2117,7 @@ static DisasJumpType trans_mtctl(DisasContext *ctx, uint32_t insn, tcg_temp_free(tmp); cond_free(&ctx->null_cond); - return DISAS_NEXT; + return true; } /* All other control registers are privileged or read-only. */ @@ -2139,8 +2126,6 @@ static DisasJumpType trans_mtctl(DisasContext *ctx, uint32_t insn, #ifdef CONFIG_USER_ONLY g_assert_not_reached(); #else - DisasJumpType ret = DISAS_NEXT; - nullify_over(ctx); switch (ctl) { case CR_IT: @@ -2151,7 +2136,7 @@ static DisasJumpType trans_mtctl(DisasContext *ctx, uint32_t insn, break; case CR_EIEM: gen_helper_write_eiem(cpu_env, reg); - ret = DISAS_IAQ_N_STALE_EXIT; + ctx->base.is_jmp = DISAS_IAQ_N_STALE_EXIT; break; case CR_IIASQ: @@ -2170,12 +2155,11 @@ static DisasJumpType trans_mtctl(DisasContext *ctx, uint32_t insn, tcg_gen_st_reg(reg, cpu_env, offsetof(CPUHPPAState, cr[ctl])); break; } - return nullify_end(ctx, ret); + return nullify_end(ctx); #endif } -static DisasJumpType trans_mtsarcm(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_mtsarcm(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned rin = extract32(insn, 16, 5); TCGv_reg tmp = tcg_temp_new(); @@ -2186,11 +2170,10 @@ static DisasJumpType trans_mtsarcm(DisasContext *ctx, uint32_t insn, tcg_temp_free(tmp); cond_free(&ctx->null_cond); - return DISAS_NEXT; + return true; } -static DisasJumpType trans_ldsid(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_ldsid(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned rt = extract32(insn, 0, 5); TCGv_reg dest = dest_gpr(ctx, rt); @@ -2212,7 +2195,7 @@ static DisasJumpType trans_ldsid(DisasContext *ctx, uint32_t insn, save_gpr(ctx, rt, dest); cond_free(&ctx->null_cond); - return DISAS_NEXT; + return true; } #ifndef CONFIG_USER_ONLY @@ -2230,8 +2213,7 @@ static target_ureg extract_sm_imm(uint32_t insn) return val; } -static DisasJumpType trans_rsm(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_rsm(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned rt = extract32(insn, 0, 5); target_ureg sm = extract_sm_imm(insn); @@ -2247,11 +2229,11 @@ static DisasJumpType trans_rsm(DisasContext *ctx, uint32_t insn, save_gpr(ctx, rt, tmp); /* Exit the TB to recognize new interrupts, e.g. PSW_M. */ - return nullify_end(ctx, DISAS_IAQ_N_STALE_EXIT); + ctx->base.is_jmp = DISAS_IAQ_N_STALE_EXIT; + return nullify_end(ctx); } -static DisasJumpType trans_ssm(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_ssm(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned rt = extract32(insn, 0, 5); target_ureg sm = extract_sm_imm(insn); @@ -2267,11 +2249,11 @@ static DisasJumpType trans_ssm(DisasContext *ctx, uint32_t insn, save_gpr(ctx, rt, tmp); /* Exit the TB to recognize new interrupts, e.g. PSW_I. */ - return nullify_end(ctx, DISAS_IAQ_N_STALE_EXIT); + ctx->base.is_jmp = DISAS_IAQ_N_STALE_EXIT; + return nullify_end(ctx); } -static DisasJumpType trans_mtsm(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_mtsm(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned rr = extract32(insn, 16, 5); TCGv_reg tmp, reg; @@ -2284,11 +2266,11 @@ static DisasJumpType trans_mtsm(DisasContext *ctx, uint32_t insn, gen_helper_swap_system_mask(tmp, cpu_env, reg); /* Exit the TB to recognize new interrupts. */ - return nullify_end(ctx, DISAS_IAQ_N_STALE_EXIT); + ctx->base.is_jmp = DISAS_IAQ_N_STALE_EXIT; + return nullify_end(ctx); } -static DisasJumpType trans_rfi(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_rfi(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned comp = extract32(insn, 5, 4); @@ -2300,17 +2282,18 @@ static DisasJumpType trans_rfi(DisasContext *ctx, uint32_t insn, } else { gen_helper_rfi(cpu_env); } + /* Exit the TB to recognize new interrupts. */ if (ctx->base.singlestep_enabled) { gen_excp_1(EXCP_DEBUG); } else { tcg_gen_exit_tb(NULL, 0); } + ctx->base.is_jmp = DISAS_NORETURN; - /* Exit the TB to recognize new interrupts. */ - return nullify_end(ctx, DISAS_NORETURN); + return nullify_end(ctx); } -static DisasJumpType gen_hlt(DisasContext *ctx, int reset) +static bool gen_hlt(DisasContext *ctx, int reset) { CHECK_MOST_PRIVILEGED(EXCP_PRIV_OPR); nullify_over(ctx); @@ -2319,7 +2302,8 @@ static DisasJumpType gen_hlt(DisasContext *ctx, int reset) } else { gen_helper_halt(cpu_env); } - return nullify_end(ctx, DISAS_NORETURN); + ctx->base.is_jmp = DISAS_NORETURN; + return nullify_end(ctx); } #endif /* !CONFIG_USER_ONLY */ @@ -2342,8 +2326,8 @@ static const DisasInsn table_system[] = { #endif }; -static DisasJumpType trans_base_idx_mod(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_base_idx_mod(DisasContext *ctx, uint32_t insn, + const DisasInsn *di) { unsigned rb = extract32(insn, 21, 5); unsigned rx = extract32(insn, 16, 5); @@ -2356,11 +2340,10 @@ static DisasJumpType trans_base_idx_mod(DisasContext *ctx, uint32_t insn, save_gpr(ctx, rb, dest); cond_free(&ctx->null_cond); - return DISAS_NEXT; + return true; } -static DisasJumpType trans_probe(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_probe(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned rt = extract32(insn, 0, 5); unsigned sp = extract32(insn, 14, 2); @@ -2392,12 +2375,11 @@ static DisasJumpType trans_probe(DisasContext *ctx, uint32_t insn, tcg_temp_free_i32(level); save_gpr(ctx, rt, dest); - return nullify_end(ctx, DISAS_NEXT); + return nullify_end(ctx); } #ifndef CONFIG_USER_ONLY -static DisasJumpType trans_ixtlbx(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_ixtlbx(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned sp; unsigned rr = extract32(insn, 16, 5); @@ -2426,12 +2408,13 @@ static DisasJumpType trans_ixtlbx(DisasContext *ctx, uint32_t insn, /* Exit TB for ITLB change if mmu is enabled. This *should* not be the case, since the OS TLB fill handler runs with mmu disabled. */ - return nullify_end(ctx, !is_data && (ctx->tb_flags & PSW_C) - ? DISAS_IAQ_N_STALE : DISAS_NEXT); + if (!is_data && (ctx->tb_flags & PSW_C)) { + ctx->base.is_jmp = DISAS_IAQ_N_STALE; + } + return nullify_end(ctx); } -static DisasJumpType trans_pxtlbx(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_pxtlbx(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned m = extract32(insn, 5, 1); unsigned sp; @@ -2462,12 +2445,13 @@ static DisasJumpType trans_pxtlbx(DisasContext *ctx, uint32_t insn, } /* Exit TB for TLB change if mmu is enabled. */ - return nullify_end(ctx, !is_data && (ctx->tb_flags & PSW_C) - ? DISAS_IAQ_N_STALE : DISAS_NEXT); + if (!is_data && (ctx->tb_flags & PSW_C)) { + ctx->base.is_jmp = DISAS_IAQ_N_STALE; + } + return nullify_end(ctx); } -static DisasJumpType trans_lpa(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_lpa(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned rt = extract32(insn, 0, 5); unsigned m = extract32(insn, 5, 1); @@ -2492,11 +2476,10 @@ static DisasJumpType trans_lpa(DisasContext *ctx, uint32_t insn, save_gpr(ctx, rt, paddr); tcg_temp_free(paddr); - return nullify_end(ctx, DISAS_NEXT); + return nullify_end(ctx); } -static DisasJumpType trans_lci(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_lci(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned rt = extract32(insn, 0, 5); TCGv_reg ci; @@ -2511,7 +2494,8 @@ static DisasJumpType trans_lci(DisasContext *ctx, uint32_t insn, save_gpr(ctx, rt, ci); tcg_temp_free(ci); - return DISAS_NEXT; + cond_free(&ctx->null_cond); + return true; } #endif /* !CONFIG_USER_ONLY */ @@ -2545,8 +2529,7 @@ static const DisasInsn table_mem_mgmt[] = { #endif }; -static DisasJumpType trans_add(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_add(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned r2 = extract32(insn, 21, 5); unsigned r1 = extract32(insn, 16, 5); @@ -2559,7 +2542,6 @@ static DisasJumpType trans_add(DisasContext *ctx, uint32_t insn, bool is_l = false; bool is_tc = false; bool is_tsv = false; - DisasJumpType ret; switch (ext) { case 0x6: /* ADD, SHLADD */ @@ -2585,12 +2567,11 @@ static DisasJumpType trans_add(DisasContext *ctx, uint32_t insn, } tcg_r1 = load_gpr(ctx, r1); tcg_r2 = load_gpr(ctx, r2); - ret = do_add(ctx, rt, tcg_r1, tcg_r2, shift, is_l, is_tsv, is_tc, is_c, cf); - return nullify_end(ctx, ret); + do_add(ctx, rt, tcg_r1, tcg_r2, shift, is_l, is_tsv, is_tc, is_c, cf); + return nullify_end(ctx); } -static DisasJumpType trans_sub(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_sub(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned r2 = extract32(insn, 21, 5); unsigned r1 = extract32(insn, 16, 5); @@ -2601,7 +2582,6 @@ static DisasJumpType trans_sub(DisasContext *ctx, uint32_t insn, bool is_b = false; bool is_tc = false; bool is_tsv = false; - DisasJumpType ret; switch (ext) { case 0x10: /* SUB */ @@ -2630,32 +2610,29 @@ static DisasJumpType trans_sub(DisasContext *ctx, uint32_t insn, } tcg_r1 = load_gpr(ctx, r1); tcg_r2 = load_gpr(ctx, r2); - ret = do_sub(ctx, rt, tcg_r1, tcg_r2, is_tsv, is_b, is_tc, cf); - return nullify_end(ctx, ret); + do_sub(ctx, rt, tcg_r1, tcg_r2, is_tsv, is_b, is_tc, cf); + return nullify_end(ctx); } -static DisasJumpType trans_log(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_log(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned r2 = extract32(insn, 21, 5); unsigned r1 = extract32(insn, 16, 5); unsigned cf = extract32(insn, 12, 4); unsigned rt = extract32(insn, 0, 5); TCGv_reg tcg_r1, tcg_r2; - DisasJumpType ret; if (cf) { nullify_over(ctx); } tcg_r1 = load_gpr(ctx, r1); tcg_r2 = load_gpr(ctx, r2); - ret = do_log(ctx, rt, tcg_r1, tcg_r2, cf, di->f.ttt); - return nullify_end(ctx, ret); + do_log(ctx, rt, tcg_r1, tcg_r2, cf, di->f.ttt); + return nullify_end(ctx); } /* OR r,0,t -> COPY (according to gas) */ -static DisasJumpType trans_copy(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_copy(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned r1 = extract32(insn, 16, 5); unsigned rt = extract32(insn, 0, 5); @@ -2668,49 +2645,44 @@ static DisasJumpType trans_copy(DisasContext *ctx, uint32_t insn, save_gpr(ctx, rt, cpu_gr[r1]); } cond_free(&ctx->null_cond); - return DISAS_NEXT; + return true; } -static DisasJumpType trans_cmpclr(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_cmpclr(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned r2 = extract32(insn, 21, 5); unsigned r1 = extract32(insn, 16, 5); unsigned cf = extract32(insn, 12, 4); unsigned rt = extract32(insn, 0, 5); TCGv_reg tcg_r1, tcg_r2; - DisasJumpType ret; if (cf) { nullify_over(ctx); } tcg_r1 = load_gpr(ctx, r1); tcg_r2 = load_gpr(ctx, r2); - ret = do_cmpclr(ctx, rt, tcg_r1, tcg_r2, cf); - return nullify_end(ctx, ret); + do_cmpclr(ctx, rt, tcg_r1, tcg_r2, cf); + return nullify_end(ctx); } -static DisasJumpType trans_uxor(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_uxor(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned r2 = extract32(insn, 21, 5); unsigned r1 = extract32(insn, 16, 5); unsigned cf = extract32(insn, 12, 4); unsigned rt = extract32(insn, 0, 5); TCGv_reg tcg_r1, tcg_r2; - DisasJumpType ret; if (cf) { nullify_over(ctx); } tcg_r1 = load_gpr(ctx, r1); tcg_r2 = load_gpr(ctx, r2); - ret = do_unit(ctx, rt, tcg_r1, tcg_r2, cf, false, tcg_gen_xor_reg); - return nullify_end(ctx, ret); + do_unit(ctx, rt, tcg_r1, tcg_r2, cf, false, tcg_gen_xor_reg); + return nullify_end(ctx); } -static DisasJumpType trans_uaddcm(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_uaddcm(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned r2 = extract32(insn, 21, 5); unsigned r1 = extract32(insn, 16, 5); @@ -2718,7 +2690,6 @@ static DisasJumpType trans_uaddcm(DisasContext *ctx, uint32_t insn, unsigned is_tc = extract32(insn, 6, 1); unsigned rt = extract32(insn, 0, 5); TCGv_reg tcg_r1, tcg_r2, tmp; - DisasJumpType ret; if (cf) { nullify_over(ctx); @@ -2727,19 +2698,17 @@ static DisasJumpType trans_uaddcm(DisasContext *ctx, uint32_t insn, tcg_r2 = load_gpr(ctx, r2); tmp = get_temp(ctx); tcg_gen_not_reg(tmp, tcg_r2); - ret = do_unit(ctx, rt, tcg_r1, tmp, cf, is_tc, tcg_gen_add_reg); - return nullify_end(ctx, ret); + do_unit(ctx, rt, tcg_r1, tmp, cf, is_tc, tcg_gen_add_reg); + return nullify_end(ctx); } -static DisasJumpType trans_dcor(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_dcor(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned r2 = extract32(insn, 21, 5); unsigned cf = extract32(insn, 12, 4); unsigned is_i = extract32(insn, 6, 1); unsigned rt = extract32(insn, 0, 5); TCGv_reg tmp; - DisasJumpType ret; nullify_over(ctx); @@ -2750,14 +2719,13 @@ static DisasJumpType trans_dcor(DisasContext *ctx, uint32_t insn, } tcg_gen_andi_reg(tmp, tmp, 0x11111111); tcg_gen_muli_reg(tmp, tmp, 6); - ret = do_unit(ctx, rt, tmp, load_gpr(ctx, r2), cf, false, - is_i ? tcg_gen_add_reg : tcg_gen_sub_reg); + do_unit(ctx, rt, tmp, load_gpr(ctx, r2), cf, false, + is_i ? tcg_gen_add_reg : tcg_gen_sub_reg); - return nullify_end(ctx, ret); + return nullify_end(ctx); } -static DisasJumpType trans_ds(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_ds(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned r2 = extract32(insn, 21, 5); unsigned r1 = extract32(insn, 16, 5); @@ -2819,7 +2787,7 @@ static DisasJumpType trans_ds(DisasContext *ctx, uint32_t insn, tcg_temp_free(add2); tcg_temp_free(dest); - return nullify_end(ctx, DISAS_NEXT); + return nullify_end(ctx); } #ifndef CONFIG_USER_ONLY @@ -2829,8 +2797,7 @@ static DisasJumpType trans_ds(DisasContext *ctx, uint32_t insn, * or %r31,%r31,%r31 -- death loop; offline cpu * currently implemented as idle. */ -static DisasJumpType trans_pause(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_pause(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { TCGv_i32 tmp; @@ -2849,8 +2816,9 @@ static DisasJumpType trans_pause(DisasContext *ctx, uint32_t insn, offsetof(CPUState, halted)); tcg_temp_free_i32(tmp); gen_excp_1(EXCP_HALTED); + ctx->base.is_jmp = DISAS_NORETURN; - return nullify_end(ctx, DISAS_NORETURN); + return nullify_end(ctx); } #endif @@ -2876,7 +2844,7 @@ static const DisasInsn table_arith_log[] = { { 0x08000200u, 0xfc000320u, trans_add }, /* shladd */ }; -static DisasJumpType trans_addi(DisasContext *ctx, uint32_t insn) +static bool trans_addi(DisasContext *ctx, uint32_t insn) { target_sreg im = low_sextract(insn, 0, 11); unsigned e1 = extract32(insn, 11, 1); @@ -2885,7 +2853,6 @@ static DisasJumpType trans_addi(DisasContext *ctx, uint32_t insn) unsigned r2 = extract32(insn, 21, 5); unsigned o1 = extract32(insn, 26, 1); TCGv_reg tcg_im, tcg_r2; - DisasJumpType ret; if (cf) { nullify_over(ctx); @@ -2893,12 +2860,12 @@ static DisasJumpType trans_addi(DisasContext *ctx, uint32_t insn) tcg_im = load_const(ctx, im); tcg_r2 = load_gpr(ctx, r2); - ret = do_add(ctx, rt, tcg_im, tcg_r2, 0, false, e1, !o1, false, cf); + do_add(ctx, rt, tcg_im, tcg_r2, 0, false, e1, !o1, false, cf); - return nullify_end(ctx, ret); + return nullify_end(ctx); } -static DisasJumpType trans_subi(DisasContext *ctx, uint32_t insn) +static bool trans_subi(DisasContext *ctx, uint32_t insn) { target_sreg im = low_sextract(insn, 0, 11); unsigned e1 = extract32(insn, 11, 1); @@ -2906,7 +2873,6 @@ static DisasJumpType trans_subi(DisasContext *ctx, uint32_t insn) unsigned rt = extract32(insn, 16, 5); unsigned r2 = extract32(insn, 21, 5); TCGv_reg tcg_im, tcg_r2; - DisasJumpType ret; if (cf) { nullify_over(ctx); @@ -2914,19 +2880,18 @@ static DisasJumpType trans_subi(DisasContext *ctx, uint32_t insn) tcg_im = load_const(ctx, im); tcg_r2 = load_gpr(ctx, r2); - ret = do_sub(ctx, rt, tcg_im, tcg_r2, e1, false, false, cf); + do_sub(ctx, rt, tcg_im, tcg_r2, e1, false, false, cf); - return nullify_end(ctx, ret); + return nullify_end(ctx); } -static DisasJumpType trans_cmpiclr(DisasContext *ctx, uint32_t insn) +static bool trans_cmpiclr(DisasContext *ctx, uint32_t insn) { target_sreg im = low_sextract(insn, 0, 11); unsigned cf = extract32(insn, 12, 4); unsigned rt = extract32(insn, 16, 5); unsigned r2 = extract32(insn, 21, 5); TCGv_reg tcg_im, tcg_r2; - DisasJumpType ret; if (cf) { nullify_over(ctx); @@ -2934,13 +2899,13 @@ static DisasJumpType trans_cmpiclr(DisasContext *ctx, uint32_t insn) tcg_im = load_const(ctx, im); tcg_r2 = load_gpr(ctx, r2); - ret = do_cmpclr(ctx, rt, tcg_im, tcg_r2, cf); + do_cmpclr(ctx, rt, tcg_im, tcg_r2, cf); - return nullify_end(ctx, ret); + return nullify_end(ctx); } -static DisasJumpType trans_ld_idx_i(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_ld_idx_i(DisasContext *ctx, uint32_t insn, + const DisasInsn *di) { unsigned rt = extract32(insn, 0, 5); unsigned m = extract32(insn, 5, 1); @@ -2952,11 +2917,12 @@ static DisasJumpType trans_ld_idx_i(DisasContext *ctx, uint32_t insn, int modify = (m ? (a ? -1 : 1) : 0); TCGMemOp mop = MO_TE | sz; - return do_load(ctx, rt, rb, 0, 0, disp, sp, modify, mop); + do_load(ctx, rt, rb, 0, 0, disp, sp, modify, mop); + return true; } -static DisasJumpType trans_ld_idx_x(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_ld_idx_x(DisasContext *ctx, uint32_t insn, + const DisasInsn *di) { unsigned rt = extract32(insn, 0, 5); unsigned m = extract32(insn, 5, 1); @@ -2967,11 +2933,12 @@ static DisasJumpType trans_ld_idx_x(DisasContext *ctx, uint32_t insn, unsigned rb = extract32(insn, 21, 5); TCGMemOp mop = MO_TE | sz; - return do_load(ctx, rt, rb, rx, u ? sz : 0, 0, sp, m, mop); + do_load(ctx, rt, rb, rx, u ? sz : 0, 0, sp, m, mop); + return true; } -static DisasJumpType trans_st_idx_i(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_st_idx_i(DisasContext *ctx, uint32_t insn, + const DisasInsn *di) { int disp = low_sextract(insn, 0, 5); unsigned m = extract32(insn, 5, 1); @@ -2983,11 +2950,11 @@ static DisasJumpType trans_st_idx_i(DisasContext *ctx, uint32_t insn, int modify = (m ? (a ? -1 : 1) : 0); TCGMemOp mop = MO_TE | sz; - return do_store(ctx, rr, rb, disp, sp, modify, mop); + do_store(ctx, rr, rb, disp, sp, modify, mop); + return true; } -static DisasJumpType trans_ldcw(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_ldcw(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned rt = extract32(insn, 0, 5); unsigned m = extract32(insn, 5, 1); @@ -3030,11 +2997,10 @@ static DisasJumpType trans_ldcw(DisasContext *ctx, uint32_t insn, } save_gpr(ctx, rt, dest); - return nullify_end(ctx, DISAS_NEXT); + return nullify_end(ctx); } -static DisasJumpType trans_stby(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_stby(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { target_sreg disp = low_sextract(insn, 0, 5); unsigned m = extract32(insn, 5, 1); @@ -3069,56 +3035,53 @@ static DisasJumpType trans_stby(DisasContext *ctx, uint32_t insn, save_gpr(ctx, rb, ofs); } - return nullify_end(ctx, DISAS_NEXT); + return nullify_end(ctx); } #ifndef CONFIG_USER_ONLY -static DisasJumpType trans_ldwa_idx_i(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_ldwa_idx_i(DisasContext *ctx, uint32_t insn, + const DisasInsn *di) { int hold_mmu_idx = ctx->mmu_idx; - DisasJumpType ret; CHECK_MOST_PRIVILEGED(EXCP_PRIV_OPR); /* ??? needs fixing for hppa64 -- ldda does not follow the same format wrt the sub-opcode in bits 6:9. */ ctx->mmu_idx = MMU_PHYS_IDX; - ret = trans_ld_idx_i(ctx, insn, di); + trans_ld_idx_i(ctx, insn, di); ctx->mmu_idx = hold_mmu_idx; - return ret; + return true; } -static DisasJumpType trans_ldwa_idx_x(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_ldwa_idx_x(DisasContext *ctx, uint32_t insn, + const DisasInsn *di) { int hold_mmu_idx = ctx->mmu_idx; - DisasJumpType ret; CHECK_MOST_PRIVILEGED(EXCP_PRIV_OPR); /* ??? needs fixing for hppa64 -- ldda does not follow the same format wrt the sub-opcode in bits 6:9. */ ctx->mmu_idx = MMU_PHYS_IDX; - ret = trans_ld_idx_x(ctx, insn, di); + trans_ld_idx_x(ctx, insn, di); ctx->mmu_idx = hold_mmu_idx; - return ret; + return true; } -static DisasJumpType trans_stwa_idx_i(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_stwa_idx_i(DisasContext *ctx, uint32_t insn, + const DisasInsn *di) { int hold_mmu_idx = ctx->mmu_idx; - DisasJumpType ret; CHECK_MOST_PRIVILEGED(EXCP_PRIV_OPR); /* ??? needs fixing for hppa64 -- ldda does not follow the same format wrt the sub-opcode in bits 6:9. */ ctx->mmu_idx = MMU_PHYS_IDX; - ret = trans_st_idx_i(ctx, insn, di); + trans_st_idx_i(ctx, insn, di); ctx->mmu_idx = hold_mmu_idx; - return ret; + return true; } #endif @@ -3135,7 +3098,7 @@ static const DisasInsn table_index_mem[] = { #endif }; -static DisasJumpType trans_ldil(DisasContext *ctx, uint32_t insn) +static bool trans_ldil(DisasContext *ctx, uint32_t insn) { unsigned rt = extract32(insn, 21, 5); target_sreg i = assemble_21(insn); @@ -3144,11 +3107,10 @@ static DisasJumpType trans_ldil(DisasContext *ctx, uint32_t insn) tcg_gen_movi_reg(tcg_rt, i); save_gpr(ctx, rt, tcg_rt); cond_free(&ctx->null_cond); - - return DISAS_NEXT; + return true; } -static DisasJumpType trans_addil(DisasContext *ctx, uint32_t insn) +static bool trans_addil(DisasContext *ctx, uint32_t insn) { unsigned rt = extract32(insn, 21, 5); target_sreg i = assemble_21(insn); @@ -3158,11 +3120,10 @@ static DisasJumpType trans_addil(DisasContext *ctx, uint32_t insn) tcg_gen_addi_reg(tcg_r1, tcg_rt, i); save_gpr(ctx, 1, tcg_r1); cond_free(&ctx->null_cond); - - return DISAS_NEXT; + return true; } -static DisasJumpType trans_ldo(DisasContext *ctx, uint32_t insn) +static bool trans_ldo(DisasContext *ctx, uint32_t insn) { unsigned rb = extract32(insn, 21, 5); unsigned rt = extract32(insn, 16, 5); @@ -3178,23 +3139,22 @@ static DisasJumpType trans_ldo(DisasContext *ctx, uint32_t insn) } save_gpr(ctx, rt, tcg_rt); cond_free(&ctx->null_cond); - - return DISAS_NEXT; + return true; } -static DisasJumpType trans_load(DisasContext *ctx, uint32_t insn, - bool is_mod, TCGMemOp mop) +static bool trans_load(DisasContext *ctx, uint32_t insn, + bool is_mod, TCGMemOp mop) { unsigned rb = extract32(insn, 21, 5); unsigned rt = extract32(insn, 16, 5); unsigned sp = extract32(insn, 14, 2); target_sreg i = assemble_16(insn); - return do_load(ctx, rt, rb, 0, 0, i, sp, - is_mod ? (i < 0 ? -1 : 1) : 0, mop); + do_load(ctx, rt, rb, 0, 0, i, sp, is_mod ? (i < 0 ? -1 : 1) : 0, mop); + return true; } -static DisasJumpType trans_load_w(DisasContext *ctx, uint32_t insn) +static bool trans_load_w(DisasContext *ctx, uint32_t insn) { unsigned rb = extract32(insn, 21, 5); unsigned rt = extract32(insn, 16, 5); @@ -3206,17 +3166,20 @@ static DisasJumpType trans_load_w(DisasContext *ctx, uint32_t insn) case 0: case 1: /* FLDW without modification. */ - return do_floadw(ctx, ext2 * 32 + rt, rb, 0, 0, i, sp, 0); + do_floadw(ctx, ext2 * 32 + rt, rb, 0, 0, i, sp, 0); + break; case 2: /* LDW with modification. Note that the sign of I selects post-dec vs pre-inc. */ - return do_load(ctx, rt, rb, 0, 0, i, sp, (i < 0 ? 1 : -1), MO_TEUL); + do_load(ctx, rt, rb, 0, 0, i, sp, (i < 0 ? 1 : -1), MO_TEUL); + break; default: return gen_illegal(ctx); } + return true; } -static DisasJumpType trans_fload_mod(DisasContext *ctx, uint32_t insn) +static bool trans_fload_mod(DisasContext *ctx, uint32_t insn) { target_sreg i = assemble_16a(insn); unsigned t1 = extract32(insn, 1, 1); @@ -3226,21 +3189,23 @@ static DisasJumpType trans_fload_mod(DisasContext *ctx, uint32_t insn) unsigned rb = extract32(insn, 21, 5); /* FLDW with modification. */ - return do_floadw(ctx, t1 * 32 + t0, rb, 0, 0, i, sp, (a ? -1 : 1)); + do_floadw(ctx, t1 * 32 + t0, rb, 0, 0, i, sp, (a ? -1 : 1)); + return true; } -static DisasJumpType trans_store(DisasContext *ctx, uint32_t insn, - bool is_mod, TCGMemOp mop) +static bool trans_store(DisasContext *ctx, uint32_t insn, + bool is_mod, TCGMemOp mop) { unsigned rb = extract32(insn, 21, 5); unsigned rt = extract32(insn, 16, 5); unsigned sp = extract32(insn, 14, 2); target_sreg i = assemble_16(insn); - return do_store(ctx, rt, rb, i, sp, is_mod ? (i < 0 ? -1 : 1) : 0, mop); + do_store(ctx, rt, rb, i, sp, is_mod ? (i < 0 ? -1 : 1) : 0, mop); + return true; } -static DisasJumpType trans_store_w(DisasContext *ctx, uint32_t insn) +static bool trans_store_w(DisasContext *ctx, uint32_t insn) { unsigned rb = extract32(insn, 21, 5); unsigned rt = extract32(insn, 16, 5); @@ -3252,16 +3217,19 @@ static DisasJumpType trans_store_w(DisasContext *ctx, uint32_t insn) case 0: case 1: /* FSTW without modification. */ - return do_fstorew(ctx, ext2 * 32 + rt, rb, 0, 0, i, sp, 0); + do_fstorew(ctx, ext2 * 32 + rt, rb, 0, 0, i, sp, 0); + break; case 2: /* STW with modification. */ - return do_store(ctx, rt, rb, i, sp, (i < 0 ? 1 : -1), MO_TEUL); + do_store(ctx, rt, rb, i, sp, (i < 0 ? 1 : -1), MO_TEUL); + break; default: return gen_illegal(ctx); } + return true; } -static DisasJumpType trans_fstore_mod(DisasContext *ctx, uint32_t insn) +static bool trans_fstore_mod(DisasContext *ctx, uint32_t insn) { target_sreg i = assemble_16a(insn); unsigned t1 = extract32(insn, 1, 1); @@ -3271,10 +3239,11 @@ static DisasJumpType trans_fstore_mod(DisasContext *ctx, uint32_t insn) unsigned rb = extract32(insn, 21, 5); /* FSTW with modification. */ - return do_fstorew(ctx, t1 * 32 + t0, rb, 0, 0, i, sp, (a ? -1 : 1)); + do_fstorew(ctx, t1 * 32 + t0, rb, 0, 0, i, sp, (a ? -1 : 1)); + return true; } -static DisasJumpType trans_copr_w(DisasContext *ctx, uint32_t insn) +static bool trans_copr_w(DisasContext *ctx, uint32_t insn) { unsigned t0 = extract32(insn, 0, 5); unsigned m = extract32(insn, 5, 1); @@ -3303,14 +3272,18 @@ static DisasJumpType trans_copr_w(DisasContext *ctx, uint32_t insn) switch (ext3) { case 0: /* FLDW */ - return do_floadw(ctx, rt, rb, rx, scale, disp, sp, modify); + do_floadw(ctx, rt, rb, rx, scale, disp, sp, modify); + break; case 4: /* FSTW */ - return do_fstorew(ctx, rt, rb, rx, scale, disp, sp, modify); + do_fstorew(ctx, rt, rb, rx, scale, disp, sp, modify); + break; + default: + return gen_illegal(ctx); } - return gen_illegal(ctx); + return true; } -static DisasJumpType trans_copr_dw(DisasContext *ctx, uint32_t insn) +static bool trans_copr_dw(DisasContext *ctx, uint32_t insn) { unsigned rt = extract32(insn, 0, 5); unsigned m = extract32(insn, 5, 1); @@ -3337,16 +3310,19 @@ static DisasJumpType trans_copr_dw(DisasContext *ctx, uint32_t insn) switch (ext4) { case 0: /* FLDD */ - return do_floadd(ctx, rt, rb, rx, scale, disp, sp, modify); + do_floadd(ctx, rt, rb, rx, scale, disp, sp, modify); + break; case 8: /* FSTD */ - return do_fstored(ctx, rt, rb, rx, scale, disp, sp, modify); + do_fstored(ctx, rt, rb, rx, scale, disp, sp, modify); + break; default: return gen_illegal(ctx); } + return true; } -static DisasJumpType trans_cmpb(DisasContext *ctx, uint32_t insn, - bool is_true, bool is_imm, bool is_dw) +static bool trans_cmpb(DisasContext *ctx, uint32_t insn, + bool is_true, bool is_imm, bool is_dw) { target_sreg disp = assemble_12(insn) * 4; unsigned n = extract32(insn, 1, 1); @@ -3374,11 +3350,12 @@ static DisasJumpType trans_cmpb(DisasContext *ctx, uint32_t insn, } cond = do_sub_cond(cf, dest, in1, in2, sv); - return do_cbranch(ctx, disp, n, &cond); + do_cbranch(ctx, disp, n, &cond); + return true; } -static DisasJumpType trans_addb(DisasContext *ctx, uint32_t insn, - bool is_true, bool is_imm) +static bool trans_addb(DisasContext *ctx, uint32_t insn, + bool is_true, bool is_imm) { target_sreg disp = assemble_12(insn) * 4; unsigned n = extract32(insn, 1, 1); @@ -3416,10 +3393,11 @@ static DisasJumpType trans_addb(DisasContext *ctx, uint32_t insn, } cond = do_cond(cf, dest, cb_msb, sv); - return do_cbranch(ctx, disp, n, &cond); + do_cbranch(ctx, disp, n, &cond); + return true; } -static DisasJumpType trans_bb(DisasContext *ctx, uint32_t insn) +static bool trans_bb(DisasContext *ctx, uint32_t insn) { target_sreg disp = assemble_12(insn) * 4; unsigned n = extract32(insn, 1, 1); @@ -3442,10 +3420,11 @@ static DisasJumpType trans_bb(DisasContext *ctx, uint32_t insn) cond = cond_make_0(c ? TCG_COND_GE : TCG_COND_LT, tmp); tcg_temp_free(tmp); - return do_cbranch(ctx, disp, n, &cond); + do_cbranch(ctx, disp, n, &cond); + return true; } -static DisasJumpType trans_movb(DisasContext *ctx, uint32_t insn, bool is_imm) +static bool trans_movb(DisasContext *ctx, uint32_t insn, bool is_imm) { target_sreg disp = assemble_12(insn) * 4; unsigned n = extract32(insn, 1, 1); @@ -3467,11 +3446,12 @@ static DisasJumpType trans_movb(DisasContext *ctx, uint32_t insn, bool is_imm) } cond = do_sed_cond(c, dest); - return do_cbranch(ctx, disp, n, &cond); + do_cbranch(ctx, disp, n, &cond); + return true; } -static DisasJumpType trans_shrpw_sar(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_shrpw_sar(DisasContext *ctx, uint32_t insn, + const DisasInsn *di) { unsigned rt = extract32(insn, 0, 5); unsigned c = extract32(insn, 13, 3); @@ -3512,11 +3492,11 @@ static DisasJumpType trans_shrpw_sar(DisasContext *ctx, uint32_t insn, if (c) { ctx->null_cond = do_sed_cond(c, dest); } - return nullify_end(ctx, DISAS_NEXT); + return nullify_end(ctx); } -static DisasJumpType trans_shrpw_imm(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_shrpw_imm(DisasContext *ctx, uint32_t insn, + const DisasInsn *di) { unsigned rt = extract32(insn, 0, 5); unsigned cpos = extract32(insn, 5, 5); @@ -3553,11 +3533,11 @@ static DisasJumpType trans_shrpw_imm(DisasContext *ctx, uint32_t insn, if (c) { ctx->null_cond = do_sed_cond(c, dest); } - return nullify_end(ctx, DISAS_NEXT); + return nullify_end(ctx); } -static DisasJumpType trans_extrw_sar(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_extrw_sar(DisasContext *ctx, uint32_t insn, + const DisasInsn *di) { unsigned clen = extract32(insn, 0, 5); unsigned is_se = extract32(insn, 10, 1); @@ -3592,11 +3572,11 @@ static DisasJumpType trans_extrw_sar(DisasContext *ctx, uint32_t insn, if (c) { ctx->null_cond = do_sed_cond(c, dest); } - return nullify_end(ctx, DISAS_NEXT); + return nullify_end(ctx); } -static DisasJumpType trans_extrw_imm(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_extrw_imm(DisasContext *ctx, uint32_t insn, + const DisasInsn *di) { unsigned clen = extract32(insn, 0, 5); unsigned pos = extract32(insn, 5, 5); @@ -3626,7 +3606,7 @@ static DisasJumpType trans_extrw_imm(DisasContext *ctx, uint32_t insn, if (c) { ctx->null_cond = do_sed_cond(c, dest); } - return nullify_end(ctx, DISAS_NEXT); + return nullify_end(ctx); } static const DisasInsn table_sh_ex[] = { @@ -3636,8 +3616,8 @@ static const DisasInsn table_sh_ex[] = { { 0xd0001800u, 0xfc001800u, trans_extrw_imm }, }; -static DisasJumpType trans_depw_imm_c(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_depw_imm_c(DisasContext *ctx, uint32_t insn, + const DisasInsn *di) { unsigned clen = extract32(insn, 0, 5); unsigned cpos = extract32(insn, 5, 5); @@ -3677,11 +3657,11 @@ static DisasJumpType trans_depw_imm_c(DisasContext *ctx, uint32_t insn, if (c) { ctx->null_cond = do_sed_cond(c, dest); } - return nullify_end(ctx, DISAS_NEXT); + return nullify_end(ctx); } -static DisasJumpType trans_depw_imm(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_depw_imm(DisasContext *ctx, uint32_t insn, + const DisasInsn *di) { unsigned clen = extract32(insn, 0, 5); unsigned cpos = extract32(insn, 5, 5); @@ -3714,11 +3694,11 @@ static DisasJumpType trans_depw_imm(DisasContext *ctx, uint32_t insn, if (c) { ctx->null_cond = do_sed_cond(c, dest); } - return nullify_end(ctx, DISAS_NEXT); + return nullify_end(ctx); } -static DisasJumpType trans_depw_sar(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_depw_sar(DisasContext *ctx, uint32_t insn, + const DisasInsn *di) { unsigned clen = extract32(insn, 0, 5); unsigned nz = extract32(insn, 10, 1); @@ -3766,7 +3746,7 @@ static DisasJumpType trans_depw_sar(DisasContext *ctx, uint32_t insn, if (c) { ctx->null_cond = do_sed_cond(c, dest); } - return nullify_end(ctx, DISAS_NEXT); + return nullify_end(ctx); } static const DisasInsn table_depw[] = { @@ -3775,7 +3755,7 @@ static const DisasInsn table_depw[] = { { 0xd4001800u, 0xfc001800u, trans_depw_imm_c }, }; -static DisasJumpType trans_be(DisasContext *ctx, uint32_t insn, bool is_l) +static bool trans_be(DisasContext *ctx, uint32_t insn, bool is_l) { unsigned n = extract32(insn, 1, 1); unsigned b = extract32(insn, 21, 5); @@ -3792,7 +3772,8 @@ static DisasJumpType trans_be(DisasContext *ctx, uint32_t insn, bool is_l) case of "be disp(*,r0)" using a direct branch to disp, so that we can goto_tb to the TB containing the syscall. */ if (b == 0) { - return do_dbranch(ctx, disp, is_l ? 31 : 0, n); + do_dbranch(ctx, disp, is_l ? 31 : 0, n); + return true; } #else int sp = assemble_sr3(insn); @@ -3804,7 +3785,7 @@ static DisasJumpType trans_be(DisasContext *ctx, uint32_t insn, bool is_l) tmp = do_ibranch_priv(ctx, tmp); #ifdef CONFIG_USER_ONLY - return do_ibranch(ctx, tmp, is_l ? 31 : 0, n); + do_ibranch(ctx, tmp, is_l ? 31 : 0, n); #else TCGv_i64 new_spc = tcg_temp_new_i64(); @@ -3829,22 +3810,23 @@ static DisasJumpType trans_be(DisasContext *ctx, uint32_t insn, bool is_l) } tcg_temp_free_i64(new_spc); tcg_gen_lookup_and_goto_ptr(); - return nullify_end(ctx, DISAS_NORETURN); + ctx->base.is_jmp = DISAS_NORETURN; + return nullify_end(ctx); #endif + return true; } -static DisasJumpType trans_bl(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_bl(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned n = extract32(insn, 1, 1); unsigned link = extract32(insn, 21, 5); target_sreg disp = assemble_17(insn); - return do_dbranch(ctx, iaoq_dest(ctx, disp), link, n); + do_dbranch(ctx, iaoq_dest(ctx, disp), link, n); + return true; } -static DisasJumpType trans_b_gate(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_b_gate(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned n = extract32(insn, 1, 1); unsigned link = extract32(insn, 21, 5); @@ -3876,7 +3858,8 @@ static DisasJumpType trans_b_gate(DisasContext *ctx, uint32_t insn, we will re-translate, at which point we *will* be able to find the TLB entry and determine if this is in fact a gateway page. */ if (type < 0) { - return gen_excp(ctx, EXCP_ITLB_MISS); + gen_excp(ctx, EXCP_ITLB_MISS); + return true; } /* No change for non-gateway pages or for priv decrease. */ if (type >= 4 && type - 4 < ctx->privilege) { @@ -3887,20 +3870,20 @@ static DisasJumpType trans_b_gate(DisasContext *ctx, uint32_t insn, } #endif - return do_dbranch(ctx, dest, link, n); + do_dbranch(ctx, dest, link, n); + return true; } -static DisasJumpType trans_bl_long(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_bl_long(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned n = extract32(insn, 1, 1); target_sreg disp = assemble_22(insn); - return do_dbranch(ctx, iaoq_dest(ctx, disp), 2, n); + do_dbranch(ctx, iaoq_dest(ctx, disp), 2, n); + return true; } -static DisasJumpType trans_blr(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_blr(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned n = extract32(insn, 1, 1); unsigned rx = extract32(insn, 16, 5); @@ -3910,11 +3893,11 @@ static DisasJumpType trans_blr(DisasContext *ctx, uint32_t insn, tcg_gen_shli_reg(tmp, load_gpr(ctx, rx), 3); tcg_gen_addi_reg(tmp, tmp, ctx->iaoq_f + 8); /* The computation here never changes privilege level. */ - return do_ibranch(ctx, tmp, link, n); + do_ibranch(ctx, tmp, link, n); + return true; } -static DisasJumpType trans_bv(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_bv(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned n = extract32(insn, 1, 1); unsigned rx = extract32(insn, 16, 5); @@ -3929,11 +3912,11 @@ static DisasJumpType trans_bv(DisasContext *ctx, uint32_t insn, tcg_gen_add_reg(dest, dest, load_gpr(ctx, rb)); } dest = do_ibranch_priv(ctx, dest); - return do_ibranch(ctx, dest, 0, n); + do_ibranch(ctx, dest, 0, n); + return true; } -static DisasJumpType trans_bve(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_bve(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned n = extract32(insn, 1, 1); unsigned rb = extract32(insn, 21, 5); @@ -3942,7 +3925,7 @@ static DisasJumpType trans_bve(DisasContext *ctx, uint32_t insn, #ifdef CONFIG_USER_ONLY dest = do_ibranch_priv(ctx, load_gpr(ctx, rb)); - return do_ibranch(ctx, dest, link, n); + do_ibranch(ctx, dest, link, n); #else nullify_over(ctx); dest = do_ibranch_priv(ctx, load_gpr(ctx, rb)); @@ -3958,8 +3941,10 @@ static DisasJumpType trans_bve(DisasContext *ctx, uint32_t insn, } nullify_set(ctx, n); tcg_gen_lookup_and_goto_ptr(); - return nullify_end(ctx, DISAS_NORETURN); + ctx->base.is_jmp = DISAS_NORETURN; + return nullify_end(ctx); #endif + return true; } static const DisasInsn table_branch[] = { @@ -3971,87 +3956,97 @@ static const DisasInsn table_branch[] = { { 0xe8002000u, 0xfc00e000u, trans_b_gate }, }; -static DisasJumpType trans_fop_wew_0c(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_fop_wew_0c(DisasContext *ctx, uint32_t insn, + const DisasInsn *di) { unsigned rt = extract32(insn, 0, 5); unsigned ra = extract32(insn, 21, 5); - return do_fop_wew(ctx, rt, ra, di->f.wew); + do_fop_wew(ctx, rt, ra, di->f.wew); + return true; } -static DisasJumpType trans_fop_wew_0e(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_fop_wew_0e(DisasContext *ctx, uint32_t insn, + const DisasInsn *di) { unsigned rt = assemble_rt64(insn); unsigned ra = assemble_ra64(insn); - return do_fop_wew(ctx, rt, ra, di->f.wew); + do_fop_wew(ctx, rt, ra, di->f.wew); + return true; } -static DisasJumpType trans_fop_ded(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_fop_ded(DisasContext *ctx, uint32_t insn, + const DisasInsn *di) { unsigned rt = extract32(insn, 0, 5); unsigned ra = extract32(insn, 21, 5); - return do_fop_ded(ctx, rt, ra, di->f.ded); + do_fop_ded(ctx, rt, ra, di->f.ded); + return true; } -static DisasJumpType trans_fop_wed_0c(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_fop_wed_0c(DisasContext *ctx, uint32_t insn, + const DisasInsn *di) { unsigned rt = extract32(insn, 0, 5); unsigned ra = extract32(insn, 21, 5); - return do_fop_wed(ctx, rt, ra, di->f.wed); + do_fop_wed(ctx, rt, ra, di->f.wed); + return true; } -static DisasJumpType trans_fop_wed_0e(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_fop_wed_0e(DisasContext *ctx, uint32_t insn, + const DisasInsn *di) { unsigned rt = assemble_rt64(insn); unsigned ra = extract32(insn, 21, 5); - return do_fop_wed(ctx, rt, ra, di->f.wed); + do_fop_wed(ctx, rt, ra, di->f.wed); + return true; } -static DisasJumpType trans_fop_dew_0c(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_fop_dew_0c(DisasContext *ctx, uint32_t insn, + const DisasInsn *di) { unsigned rt = extract32(insn, 0, 5); unsigned ra = extract32(insn, 21, 5); - return do_fop_dew(ctx, rt, ra, di->f.dew); + do_fop_dew(ctx, rt, ra, di->f.dew); + return true; } -static DisasJumpType trans_fop_dew_0e(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_fop_dew_0e(DisasContext *ctx, uint32_t insn, + const DisasInsn *di) { unsigned rt = extract32(insn, 0, 5); unsigned ra = assemble_ra64(insn); - return do_fop_dew(ctx, rt, ra, di->f.dew); + do_fop_dew(ctx, rt, ra, di->f.dew); + return true; } -static DisasJumpType trans_fop_weww_0c(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_fop_weww_0c(DisasContext *ctx, uint32_t insn, + const DisasInsn *di) { unsigned rt = extract32(insn, 0, 5); unsigned rb = extract32(insn, 16, 5); unsigned ra = extract32(insn, 21, 5); - return do_fop_weww(ctx, rt, ra, rb, di->f.weww); + do_fop_weww(ctx, rt, ra, rb, di->f.weww); + return true; } -static DisasJumpType trans_fop_weww_0e(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_fop_weww_0e(DisasContext *ctx, uint32_t insn, + const DisasInsn *di) { unsigned rt = assemble_rt64(insn); unsigned rb = assemble_rb64(insn); unsigned ra = assemble_ra64(insn); - return do_fop_weww(ctx, rt, ra, rb, di->f.weww); + do_fop_weww(ctx, rt, ra, rb, di->f.weww); + return true; } -static DisasJumpType trans_fop_dedd(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_fop_dedd(DisasContext *ctx, uint32_t insn, + const DisasInsn *di) { unsigned rt = extract32(insn, 0, 5); unsigned rb = extract32(insn, 16, 5); unsigned ra = extract32(insn, 21, 5); - return do_fop_dedd(ctx, rt, ra, rb, di->f.dedd); + do_fop_dedd(ctx, rt, ra, rb, di->f.dedd); + return true; } static void gen_fcpy_s(TCGv_i32 dst, TCGv_env unused, TCGv_i32 src) @@ -4094,8 +4089,8 @@ static void gen_fnegabs_d(TCGv_i64 dst, TCGv_env unused, TCGv_i64 src) tcg_gen_ori_i64(dst, src, INT64_MIN); } -static DisasJumpType do_fcmp_s(DisasContext *ctx, unsigned ra, unsigned rb, - unsigned y, unsigned c) +static void do_fcmp_s(DisasContext *ctx, unsigned ra, unsigned rb, + unsigned y, unsigned c) { TCGv_i32 ta, tb, tc, ty; @@ -4113,31 +4108,32 @@ static DisasJumpType do_fcmp_s(DisasContext *ctx, unsigned ra, unsigned rb, tcg_temp_free_i32(ty); tcg_temp_free_i32(tc); - return nullify_end(ctx, DISAS_NEXT); + nullify_end(ctx); } -static DisasJumpType trans_fcmp_s_0c(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_fcmp_s_0c(DisasContext *ctx, uint32_t insn, + const DisasInsn *di) { unsigned c = extract32(insn, 0, 5); unsigned y = extract32(insn, 13, 3); unsigned rb = extract32(insn, 16, 5); unsigned ra = extract32(insn, 21, 5); - return do_fcmp_s(ctx, ra, rb, y, c); + do_fcmp_s(ctx, ra, rb, y, c); + return true; } -static DisasJumpType trans_fcmp_s_0e(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_fcmp_s_0e(DisasContext *ctx, uint32_t insn, + const DisasInsn *di) { unsigned c = extract32(insn, 0, 5); unsigned y = extract32(insn, 13, 3); unsigned rb = assemble_rb64(insn); unsigned ra = assemble_ra64(insn); - return do_fcmp_s(ctx, ra, rb, y, c); + do_fcmp_s(ctx, ra, rb, y, c); + return true; } -static DisasJumpType trans_fcmp_d(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_fcmp_d(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned c = extract32(insn, 0, 5); unsigned y = extract32(insn, 13, 3); @@ -4160,11 +4156,11 @@ static DisasJumpType trans_fcmp_d(DisasContext *ctx, uint32_t insn, tcg_temp_free_i32(ty); tcg_temp_free_i32(tc); - return nullify_end(ctx, DISAS_NEXT); + return nullify_end(ctx); } -static DisasJumpType trans_ftest_t(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_ftest_t(DisasContext *ctx, uint32_t insn, + const DisasInsn *di) { unsigned y = extract32(insn, 13, 3); unsigned cbit = (y ^ 1) - 1; @@ -4178,11 +4174,11 @@ static DisasJumpType trans_ftest_t(DisasContext *ctx, uint32_t insn, ctx->null_cond = cond_make_0(TCG_COND_NE, t); tcg_temp_free(t); - return nullify_end(ctx, DISAS_NEXT); + return nullify_end(ctx); } -static DisasJumpType trans_ftest_q(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_ftest_q(DisasContext *ctx, uint32_t insn, + const DisasInsn *di) { unsigned c = extract32(insn, 0, 5); int mask; @@ -4232,11 +4228,10 @@ static DisasJumpType trans_ftest_q(DisasContext *ctx, uint32_t insn, ctx->null_cond = cond_make_0(TCG_COND_EQ, t); } done: - return nullify_end(ctx, DISAS_NEXT); + return nullify_end(ctx); } -static DisasJumpType trans_xmpyu(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_xmpyu(DisasContext *ctx, uint32_t insn, const DisasInsn *di) { unsigned rt = extract32(insn, 0, 5); unsigned rb = assemble_rb64(insn); @@ -4252,7 +4247,7 @@ static DisasJumpType trans_xmpyu(DisasContext *ctx, uint32_t insn, tcg_temp_free_i64(a); tcg_temp_free_i64(b); - return nullify_end(ctx, DISAS_NEXT); + return nullify_end(ctx); } #define FOP_DED trans_fop_ded, .f.ded @@ -4427,8 +4422,7 @@ static inline int fmpyadd_s_reg(unsigned r) return (r & 16) * 2 + 16 + (r & 15); } -static DisasJumpType trans_fmpyadd(DisasContext *ctx, - uint32_t insn, bool is_sub) +static bool trans_fmpyadd(DisasContext *ctx, uint32_t insn, bool is_sub) { unsigned tm = extract32(insn, 0, 5); unsigned f = extract32(insn, 5, 1); @@ -4456,11 +4450,11 @@ static DisasJumpType trans_fmpyadd(DisasContext *ctx, is_sub ? gen_helper_fsub_d : gen_helper_fadd_d); } - return nullify_end(ctx, DISAS_NEXT); + return nullify_end(ctx); } -static DisasJumpType trans_fmpyfadd_s(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_fmpyfadd_s(DisasContext *ctx, uint32_t insn, + const DisasInsn *di) { unsigned rt = assemble_rt64(insn); unsigned neg = extract32(insn, 5, 1); @@ -4484,11 +4478,11 @@ static DisasJumpType trans_fmpyfadd_s(DisasContext *ctx, uint32_t insn, tcg_temp_free_i32(c); save_frw_i32(rt, a); tcg_temp_free_i32(a); - return nullify_end(ctx, DISAS_NEXT); + return nullify_end(ctx); } -static DisasJumpType trans_fmpyfadd_d(DisasContext *ctx, uint32_t insn, - const DisasInsn *di) +static bool trans_fmpyfadd_d(DisasContext *ctx, uint32_t insn, + const DisasInsn *di) { unsigned rt = extract32(insn, 0, 5); unsigned neg = extract32(insn, 5, 1); @@ -4512,7 +4506,7 @@ static DisasJumpType trans_fmpyfadd_d(DisasContext *ctx, uint32_t insn, tcg_temp_free_i64(c); save_frd(rt, a); tcg_temp_free_i64(a); - return nullify_end(ctx, DISAS_NEXT); + return nullify_end(ctx); } static const DisasInsn table_fp_fused[] = { @@ -4520,127 +4514,175 @@ static const DisasInsn table_fp_fused[] = { { 0xb8000800u, 0xfc0019c0u, trans_fmpyfadd_d } }; -static DisasJumpType translate_table_int(DisasContext *ctx, uint32_t insn, - const DisasInsn table[], size_t n) +static void translate_table_int(DisasContext *ctx, uint32_t insn, + const DisasInsn table[], size_t n) { size_t i; for (i = 0; i < n; ++i) { if ((insn & table[i].mask) == table[i].insn) { - return table[i].trans(ctx, insn, &table[i]); + table[i].trans(ctx, insn, &table[i]); + return; } } qemu_log_mask(LOG_UNIMP, "UNIMP insn %08x @ " TARGET_FMT_lx "\n", insn, ctx->base.pc_next); - return gen_illegal(ctx); + gen_illegal(ctx); } #define translate_table(ctx, insn, table) \ translate_table_int(ctx, insn, table, ARRAY_SIZE(table)) -static DisasJumpType translate_one(DisasContext *ctx, uint32_t insn) +static void translate_one(DisasContext *ctx, uint32_t insn) { uint32_t opc = extract32(insn, 26, 6); switch (opc) { case 0x00: /* system op */ - return translate_table(ctx, insn, table_system); + translate_table(ctx, insn, table_system); + return; case 0x01: - return translate_table(ctx, insn, table_mem_mgmt); + translate_table(ctx, insn, table_mem_mgmt); + return; case 0x02: - return translate_table(ctx, insn, table_arith_log); + translate_table(ctx, insn, table_arith_log); + return; case 0x03: - return translate_table(ctx, insn, table_index_mem); + translate_table(ctx, insn, table_index_mem); + return; case 0x06: - return trans_fmpyadd(ctx, insn, false); + trans_fmpyadd(ctx, insn, false); + return; case 0x08: - return trans_ldil(ctx, insn); + trans_ldil(ctx, insn); + return; case 0x09: - return trans_copr_w(ctx, insn); + trans_copr_w(ctx, insn); + return; case 0x0A: - return trans_addil(ctx, insn); + trans_addil(ctx, insn); + return; case 0x0B: - return trans_copr_dw(ctx, insn); + trans_copr_dw(ctx, insn); + return; case 0x0C: - return translate_table(ctx, insn, table_float_0c); + translate_table(ctx, insn, table_float_0c); + return; case 0x0D: - return trans_ldo(ctx, insn); + trans_ldo(ctx, insn); + return; case 0x0E: - return translate_table(ctx, insn, table_float_0e); + translate_table(ctx, insn, table_float_0e); + return; case 0x10: - return trans_load(ctx, insn, false, MO_UB); + trans_load(ctx, insn, false, MO_UB); + return; case 0x11: - return trans_load(ctx, insn, false, MO_TEUW); + trans_load(ctx, insn, false, MO_TEUW); + return; case 0x12: - return trans_load(ctx, insn, false, MO_TEUL); + trans_load(ctx, insn, false, MO_TEUL); + return; case 0x13: - return trans_load(ctx, insn, true, MO_TEUL); + trans_load(ctx, insn, true, MO_TEUL); + return; case 0x16: - return trans_fload_mod(ctx, insn); + trans_fload_mod(ctx, insn); + return; case 0x17: - return trans_load_w(ctx, insn); + trans_load_w(ctx, insn); + return; case 0x18: - return trans_store(ctx, insn, false, MO_UB); + trans_store(ctx, insn, false, MO_UB); + return; case 0x19: - return trans_store(ctx, insn, false, MO_TEUW); + trans_store(ctx, insn, false, MO_TEUW); + return; case 0x1A: - return trans_store(ctx, insn, false, MO_TEUL); + trans_store(ctx, insn, false, MO_TEUL); + return; case 0x1B: - return trans_store(ctx, insn, true, MO_TEUL); + trans_store(ctx, insn, true, MO_TEUL); + return; case 0x1E: - return trans_fstore_mod(ctx, insn); + trans_fstore_mod(ctx, insn); + return; case 0x1F: - return trans_store_w(ctx, insn); + trans_store_w(ctx, insn); + return; case 0x20: - return trans_cmpb(ctx, insn, true, false, false); + trans_cmpb(ctx, insn, true, false, false); + return; case 0x21: - return trans_cmpb(ctx, insn, true, true, false); + trans_cmpb(ctx, insn, true, true, false); + return; case 0x22: - return trans_cmpb(ctx, insn, false, false, false); + trans_cmpb(ctx, insn, false, false, false); + return; case 0x23: - return trans_cmpb(ctx, insn, false, true, false); + trans_cmpb(ctx, insn, false, true, false); + return; case 0x24: - return trans_cmpiclr(ctx, insn); + trans_cmpiclr(ctx, insn); + return; case 0x25: - return trans_subi(ctx, insn); + trans_subi(ctx, insn); + return; case 0x26: - return trans_fmpyadd(ctx, insn, true); + trans_fmpyadd(ctx, insn, true); + return; case 0x27: - return trans_cmpb(ctx, insn, true, false, true); + trans_cmpb(ctx, insn, true, false, true); + return; case 0x28: - return trans_addb(ctx, insn, true, false); + trans_addb(ctx, insn, true, false); + return; case 0x29: - return trans_addb(ctx, insn, true, true); + trans_addb(ctx, insn, true, true); + return; case 0x2A: - return trans_addb(ctx, insn, false, false); + trans_addb(ctx, insn, false, false); + return; case 0x2B: - return trans_addb(ctx, insn, false, true); + trans_addb(ctx, insn, false, true); + return; case 0x2C: case 0x2D: - return trans_addi(ctx, insn); + trans_addi(ctx, insn); + return; case 0x2E: - return translate_table(ctx, insn, table_fp_fused); + translate_table(ctx, insn, table_fp_fused); + return; case 0x2F: - return trans_cmpb(ctx, insn, false, false, true); + trans_cmpb(ctx, insn, false, false, true); + return; case 0x30: case 0x31: - return trans_bb(ctx, insn); + trans_bb(ctx, insn); + return; case 0x32: - return trans_movb(ctx, insn, false); + trans_movb(ctx, insn, false); + return; case 0x33: - return trans_movb(ctx, insn, true); + trans_movb(ctx, insn, true); + return; case 0x34: - return translate_table(ctx, insn, table_sh_ex); + translate_table(ctx, insn, table_sh_ex); + return; case 0x35: - return translate_table(ctx, insn, table_depw); + translate_table(ctx, insn, table_depw); + return; case 0x38: - return trans_be(ctx, insn, false); + trans_be(ctx, insn, false); + return; case 0x39: - return trans_be(ctx, insn, true); + trans_be(ctx, insn, true); + return; case 0x3A: - return translate_table(ctx, insn, table_branch); + translate_table(ctx, insn, table_branch); + return; case 0x04: /* spopn */ case 0x05: /* diag */ @@ -4656,17 +4698,19 @@ static DisasJumpType translate_one(DisasContext *ctx, uint32_t insn) #ifndef CONFIG_USER_ONLY /* Unassigned, but use as system-halt. */ if (insn == 0xfffdead0) { - return gen_hlt(ctx, 0); /* halt system */ + gen_hlt(ctx, 0); /* halt system */ + return; } if (insn == 0xfffdead1) { - return gen_hlt(ctx, 1); /* reset system */ + gen_hlt(ctx, 1); /* reset system */ + return; } #endif break; default: break; } - return gen_illegal(ctx); + gen_illegal(ctx); } static void hppa_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs) @@ -4733,7 +4777,7 @@ static bool hppa_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cs, { DisasContext *ctx = container_of(dcbase, DisasContext, base); - ctx->base.is_jmp = gen_excp(ctx, EXCP_DEBUG); + gen_excp(ctx, EXCP_DEBUG); ctx->base.pc_next += 4; return true; } @@ -4748,7 +4792,8 @@ static void hppa_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs) /* Execute one insn. */ #ifdef CONFIG_USER_ONLY if (ctx->base.pc_next < TARGET_PAGE_SIZE) { - ret = do_page_zero(ctx); + do_page_zero(ctx); + ret = ctx->base.is_jmp; assert(ret != DISAS_NEXT); } else #endif @@ -4773,7 +4818,8 @@ static void hppa_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs) ret = DISAS_NEXT; } else { ctx->insn = insn; - ret = translate_one(ctx, insn); + translate_one(ctx, insn); + ret = ctx->base.is_jmp; assert(ctx->null_lab == NULL); } } @@ -4799,14 +4845,13 @@ static void hppa_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs) || ctx->null_cond.c == TCG_COND_ALWAYS)) { nullify_set(ctx, ctx->null_cond.c == TCG_COND_ALWAYS); gen_goto_tb(ctx, 0, ctx->iaoq_b, ctx->iaoq_n); - ret = DISAS_NORETURN; + ctx->base.is_jmp = ret = DISAS_NORETURN; } else { - ret = DISAS_IAQ_N_STALE; + ctx->base.is_jmp = ret = DISAS_IAQ_N_STALE; } } ctx->iaoq_f = ctx->iaoq_b; ctx->iaoq_b = ctx->iaoq_n; - ctx->base.is_jmp = ret; ctx->base.pc_next += 4; if (ret == DISAS_NORETURN || ret == DISAS_IAQ_N_UPDATED) { |