diff options
Diffstat (limited to 'target/s390x/translate.c')
| -rw-r--r-- | target/s390x/translate.c | 83 |
1 files changed, 7 insertions, 76 deletions
diff --git a/target/s390x/translate.c b/target/s390x/translate.c index 67049975fa..f93ad20951 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -327,15 +327,6 @@ static inline void gen_trap(DisasContext *s) gen_data_exception(0xff); } -#ifndef CONFIG_USER_ONLY -static void check_privileged(DisasContext *s) -{ - if (s->base.tb->flags & FLAG_MASK_PSTATE) { - gen_program_exception(s, PGM_PRIVILEGED); - } -} -#endif - static TCGv_i64 get_address(DisasContext *s, int x2, int b2, int d2) { TCGv_i64 tmp = tcg_temp_new_i64(); @@ -1126,6 +1117,7 @@ typedef struct { #define IF_AFP3 0x0004 /* r3 is a fp reg for HFP/FPS instructions */ #define IF_BFP 0x0008 /* binary floating point instruction */ #define IF_DFP 0x0010 /* decimal floating point instruction */ +#define IF_PRIV 0x0020 /* privileged instruction */ struct DisasInsn { unsigned opc:16; @@ -2086,7 +2078,6 @@ static DisasJumpType op_csp(DisasContext *s, DisasOps *o) /* Note that in1 = R1 (zero-extended expected value), out = R1 (original reg), out2 = R1+1 (new value). */ - check_privileged(s); addr = tcg_temp_new_i64(); old = tcg_temp_new_i64(); tcg_gen_andi_i64(addr, o->in2, -1ULL << (mop & MO_SIZE)); @@ -2210,7 +2201,6 @@ static DisasJumpType op_diag(DisasContext *s, DisasOps *o) TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3)); TCGv_i32 func_code = tcg_const_i32(get_field(s->fields, i2)); - check_privileged(s); gen_helper_diag(cpu_env, r1, r3, func_code); tcg_temp_free_i32(func_code); @@ -2471,7 +2461,6 @@ static DisasJumpType op_idte(DisasContext *s, DisasOps *o) { TCGv_i32 m4; - check_privileged(s); if (s390_has_feat(S390_FEAT_LOCAL_TLB_CLEARING)) { m4 = tcg_const_i32(get_field(s->fields, m4)); } else { @@ -2486,7 +2475,6 @@ static DisasJumpType op_ipte(DisasContext *s, DisasOps *o) { TCGv_i32 m4; - check_privileged(s); if (s390_has_feat(S390_FEAT_LOCAL_TLB_CLEARING)) { m4 = tcg_const_i32(get_field(s->fields, m4)); } else { @@ -2499,7 +2487,6 @@ static DisasJumpType op_ipte(DisasContext *s, DisasOps *o) static DisasJumpType op_iske(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_iske(o->out, cpu_env, o->in2); return DISAS_NEXT; } @@ -2798,7 +2785,6 @@ static DisasJumpType op_lctl(DisasContext *s, DisasOps *o) { TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1)); TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3)); - check_privileged(s); gen_helper_lctl(cpu_env, r1, o->in2, r3); tcg_temp_free_i32(r1); tcg_temp_free_i32(r3); @@ -2810,7 +2796,6 @@ static DisasJumpType op_lctlg(DisasContext *s, DisasOps *o) { TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1)); TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3)); - check_privileged(s); gen_helper_lctlg(cpu_env, r1, o->in2, r3); tcg_temp_free_i32(r1); tcg_temp_free_i32(r3); @@ -2820,7 +2805,6 @@ static DisasJumpType op_lctlg(DisasContext *s, DisasOps *o) static DisasJumpType op_lra(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_lra(o->out, cpu_env, o->in2); set_cc_static(s); return DISAS_NEXT; @@ -2828,8 +2812,6 @@ static DisasJumpType op_lra(DisasContext *s, DisasOps *o) static DisasJumpType op_lpp(DisasContext *s, DisasOps *o) { - check_privileged(s); - tcg_gen_st_i64(o->in2, cpu_env, offsetof(CPUS390XState, pp)); return DISAS_NEXT; } @@ -2838,7 +2820,6 @@ static DisasJumpType op_lpsw(DisasContext *s, DisasOps *o) { TCGv_i64 t1, t2; - check_privileged(s); per_breaking_event(s); t1 = tcg_temp_new_i64(); @@ -2859,7 +2840,6 @@ static DisasJumpType op_lpswe(DisasContext *s, DisasOps *o) { TCGv_i64 t1, t2; - check_privileged(s); per_breaking_event(s); t1 = tcg_temp_new_i64(); @@ -3058,14 +3038,12 @@ static DisasJumpType op_lpq(DisasContext *s, DisasOps *o) #ifndef CONFIG_USER_ONLY static DisasJumpType op_lura(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_lura(o->out, cpu_env, o->in2); return DISAS_NEXT; } static DisasJumpType op_lurag(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_lurag(o->out, cpu_env, o->in2); return DISAS_NEXT; } @@ -3224,7 +3202,6 @@ static DisasJumpType op_mvcos(DisasContext *s, DisasOps *o) static DisasJumpType op_mvcp(DisasContext *s, DisasOps *o) { int r1 = get_field(s->fields, l1); - check_privileged(s); gen_helper_mvcp(cc_op, cpu_env, regs[r1], o->addr1, o->in2); set_cc_static(s); return DISAS_NEXT; @@ -3233,7 +3210,6 @@ static DisasJumpType op_mvcp(DisasContext *s, DisasOps *o) static DisasJumpType op_mvcs(DisasContext *s, DisasOps *o) { int r1 = get_field(s->fields, l1); - check_privileged(s); gen_helper_mvcs(cc_op, cpu_env, regs[r1], o->addr1, o->in2); set_cc_static(s); return DISAS_NEXT; @@ -3519,7 +3495,6 @@ static DisasJumpType op_popcnt(DisasContext *s, DisasOps *o) #ifndef CONFIG_USER_ONLY static DisasJumpType op_ptlb(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_ptlb(cpu_env); return DISAS_NEXT; } @@ -3710,7 +3685,6 @@ static DisasJumpType op_rll64(DisasContext *s, DisasOps *o) #ifndef CONFIG_USER_ONLY static DisasJumpType op_rrbe(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_rrbe(cc_op, cpu_env, o->in2); set_cc_static(s); return DISAS_NEXT; @@ -3718,7 +3692,6 @@ static DisasJumpType op_rrbe(DisasContext *s, DisasOps *o) static DisasJumpType op_sacf(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_sacf(cpu_env, o->in2); /* Addressing mode has changed, so end the block. */ return DISAS_PC_STALE; @@ -3808,7 +3781,6 @@ static DisasJumpType op_sqxb(DisasContext *s, DisasOps *o) #ifndef CONFIG_USER_ONLY static DisasJumpType op_servc(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_servc(cc_op, cpu_env, o->in2, o->in1); set_cc_static(s); return DISAS_NEXT; @@ -3818,7 +3790,6 @@ static DisasJumpType op_sigp(DisasContext *s, DisasOps *o) { TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1)); TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3)); - check_privileged(s); gen_helper_sigp(cc_op, cpu_env, o->in2, r1, r3); set_cc_static(s); tcg_temp_free_i32(r1); @@ -4000,7 +3971,6 @@ static DisasJumpType op_ectg(DisasContext *s, DisasOps *o) #ifndef CONFIG_USER_ONLY static DisasJumpType op_spka(DisasContext *s, DisasOps *o) { - check_privileged(s); tcg_gen_shri_i64(o->in2, o->in2, 4); tcg_gen_deposit_i64(psw_mask, psw_mask, o->in2, PSW_SHIFT_KEY, 4); return DISAS_NEXT; @@ -4008,14 +3978,12 @@ static DisasJumpType op_spka(DisasContext *s, DisasOps *o) static DisasJumpType op_sske(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_sske(cpu_env, o->in1, o->in2); return DISAS_NEXT; } static DisasJumpType op_ssm(DisasContext *s, DisasOps *o) { - check_privileged(s); tcg_gen_deposit_i64(psw_mask, psw_mask, o->in2, 56, 8); /* Exit to main loop to reevaluate s390_cpu_exec_interrupt. */ return DISAS_PC_STALE_NOCHAIN; @@ -4023,7 +3991,6 @@ static DisasJumpType op_ssm(DisasContext *s, DisasOps *o) static DisasJumpType op_stap(DisasContext *s, DisasOps *o) { - check_privileged(s); tcg_gen_ld32u_i64(o->out, cpu_env, offsetof(CPUS390XState, core_id)); return DISAS_NEXT; } @@ -4065,7 +4032,6 @@ static DisasJumpType op_stcke(DisasContext *s, DisasOps *o) static DisasJumpType op_sck(DisasContext *s, DisasOps *o) { - check_privileged(s); tcg_gen_qemu_ld_i64(o->in1, o->addr1, get_mem_index(s), MO_TEQ | MO_ALIGN); gen_helper_sck(cc_op, cpu_env, o->in1); set_cc_static(s); @@ -4074,21 +4040,18 @@ static DisasJumpType op_sck(DisasContext *s, DisasOps *o) static DisasJumpType op_sckc(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_sckc(cpu_env, o->in2); return DISAS_NEXT; } static DisasJumpType op_sckpf(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_sckpf(cpu_env, regs[0]); return DISAS_NEXT; } static DisasJumpType op_stckc(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_stckc(o->out, cpu_env); return DISAS_NEXT; } @@ -4097,7 +4060,6 @@ static DisasJumpType op_stctg(DisasContext *s, DisasOps *o) { TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1)); TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3)); - check_privileged(s); gen_helper_stctg(cpu_env, r1, o->in2, r3); tcg_temp_free_i32(r1); tcg_temp_free_i32(r3); @@ -4108,7 +4070,6 @@ static DisasJumpType op_stctl(DisasContext *s, DisasOps *o) { TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1)); TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3)); - check_privileged(s); gen_helper_stctl(cpu_env, r1, o->in2, r3); tcg_temp_free_i32(r1); tcg_temp_free_i32(r3); @@ -4117,35 +4078,30 @@ static DisasJumpType op_stctl(DisasContext *s, DisasOps *o) static DisasJumpType op_stidp(DisasContext *s, DisasOps *o) { - check_privileged(s); tcg_gen_ld_i64(o->out, cpu_env, offsetof(CPUS390XState, cpuid)); return DISAS_NEXT; } static DisasJumpType op_spt(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_spt(cpu_env, o->in2); return DISAS_NEXT; } static DisasJumpType op_stfl(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_stfl(cpu_env); return DISAS_NEXT; } static DisasJumpType op_stpt(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_stpt(o->out, cpu_env); return DISAS_NEXT; } static DisasJumpType op_stsi(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_stsi(cc_op, cpu_env, o->in2, regs[0], regs[1]); set_cc_static(s); return DISAS_NEXT; @@ -4153,14 +4109,12 @@ static DisasJumpType op_stsi(DisasContext *s, DisasOps *o) static DisasJumpType op_spx(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_spx(cpu_env, o->in2); return DISAS_NEXT; } static DisasJumpType op_xsch(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_xsch(cpu_env, regs[1]); set_cc_static(s); return DISAS_NEXT; @@ -4168,7 +4122,6 @@ static DisasJumpType op_xsch(DisasContext *s, DisasOps *o) static DisasJumpType op_csch(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_csch(cpu_env, regs[1]); set_cc_static(s); return DISAS_NEXT; @@ -4176,7 +4129,6 @@ static DisasJumpType op_csch(DisasContext *s, DisasOps *o) static DisasJumpType op_hsch(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_hsch(cpu_env, regs[1]); set_cc_static(s); return DISAS_NEXT; @@ -4184,7 +4136,6 @@ static DisasJumpType op_hsch(DisasContext *s, DisasOps *o) static DisasJumpType op_msch(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_msch(cpu_env, regs[1], o->in2); set_cc_static(s); return DISAS_NEXT; @@ -4192,7 +4143,6 @@ static DisasJumpType op_msch(DisasContext *s, DisasOps *o) static DisasJumpType op_rchp(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_rchp(cpu_env, regs[1]); set_cc_static(s); return DISAS_NEXT; @@ -4200,7 +4150,6 @@ static DisasJumpType op_rchp(DisasContext *s, DisasOps *o) static DisasJumpType op_rsch(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_rsch(cpu_env, regs[1]); set_cc_static(s); return DISAS_NEXT; @@ -4208,21 +4157,18 @@ static DisasJumpType op_rsch(DisasContext *s, DisasOps *o) static DisasJumpType op_sal(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_sal(cpu_env, regs[1]); return DISAS_NEXT; } static DisasJumpType op_schm(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_schm(cpu_env, regs[1], regs[2], o->in2); return DISAS_NEXT; } static DisasJumpType op_siga(DisasContext *s, DisasOps *o) { - check_privileged(s); /* From KVM code: Not provided, set CC = 3 for subchannel not operational */ gen_op_movi_cc(s, 3); return DISAS_NEXT; @@ -4230,14 +4176,12 @@ static DisasJumpType op_siga(DisasContext *s, DisasOps *o) static DisasJumpType op_stcps(DisasContext *s, DisasOps *o) { - check_privileged(s); /* The instruction is suppressed if not provided. */ return DISAS_NEXT; } static DisasJumpType op_ssch(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_ssch(cpu_env, regs[1], o->in2); set_cc_static(s); return DISAS_NEXT; @@ -4245,7 +4189,6 @@ static DisasJumpType op_ssch(DisasContext *s, DisasOps *o) static DisasJumpType op_stsch(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_stsch(cpu_env, regs[1], o->in2); set_cc_static(s); return DISAS_NEXT; @@ -4253,7 +4196,6 @@ static DisasJumpType op_stsch(DisasContext *s, DisasOps *o) static DisasJumpType op_stcrw(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_stcrw(cpu_env, o->in2); set_cc_static(s); return DISAS_NEXT; @@ -4261,7 +4203,6 @@ static DisasJumpType op_stcrw(DisasContext *s, DisasOps *o) static DisasJumpType op_tpi(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_tpi(cc_op, cpu_env, o->addr1); set_cc_static(s); return DISAS_NEXT; @@ -4269,7 +4210,6 @@ static DisasJumpType op_tpi(DisasContext *s, DisasOps *o) static DisasJumpType op_tsch(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_tsch(cpu_env, regs[1], o->in2); set_cc_static(s); return DISAS_NEXT; @@ -4277,7 +4217,6 @@ static DisasJumpType op_tsch(DisasContext *s, DisasOps *o) static DisasJumpType op_chsc(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_chsc(cpu_env, o->in2); set_cc_static(s); return DISAS_NEXT; @@ -4285,7 +4224,6 @@ static DisasJumpType op_chsc(DisasContext *s, DisasOps *o) static DisasJumpType op_stpx(DisasContext *s, DisasOps *o) { - check_privileged(s); tcg_gen_ld_i64(o->out, cpu_env, offsetof(CPUS390XState, psa)); tcg_gen_andi_i64(o->out, o->out, 0x7fffe000); return DISAS_NEXT; @@ -4296,8 +4234,6 @@ static DisasJumpType op_stnosm(DisasContext *s, DisasOps *o) uint64_t i2 = get_field(s->fields, i2); TCGv_i64 t; - check_privileged(s); - /* It is important to do what the instruction name says: STORE THEN. If we let the output hook perform the store then if we fault and restart, we'll have the wrong SYSTEM MASK in place. */ @@ -4319,14 +4255,12 @@ static DisasJumpType op_stnosm(DisasContext *s, DisasOps *o) static DisasJumpType op_stura(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_stura(cpu_env, o->in2, o->in1); return DISAS_NEXT; } static DisasJumpType op_sturg(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_sturg(cpu_env, o->in2, o->in1); return DISAS_NEXT; } @@ -4592,7 +4526,6 @@ static DisasJumpType op_tcxb(DisasContext *s, DisasOps *o) static DisasJumpType op_testblock(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_testblock(cc_op, cpu_env, o->in2); set_cc_static(s); return DISAS_NEXT; @@ -4850,7 +4783,6 @@ static DisasJumpType op_clp(DisasContext *s, DisasOps *o) { TCGv_i32 r2 = tcg_const_i32(get_field(s->fields, r2)); - check_privileged(s); gen_helper_clp(cpu_env, r2); tcg_temp_free_i32(r2); set_cc_static(s); @@ -4862,7 +4794,6 @@ static DisasJumpType op_pcilg(DisasContext *s, DisasOps *o) TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1)); TCGv_i32 r2 = tcg_const_i32(get_field(s->fields, r2)); - check_privileged(s); gen_helper_pcilg(cpu_env, r1, r2); tcg_temp_free_i32(r1); tcg_temp_free_i32(r2); @@ -4875,7 +4806,6 @@ static DisasJumpType op_pcistg(DisasContext *s, DisasOps *o) TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1)); TCGv_i32 r2 = tcg_const_i32(get_field(s->fields, r2)); - check_privileged(s); gen_helper_pcistg(cpu_env, r1, r2); tcg_temp_free_i32(r1); tcg_temp_free_i32(r2); @@ -4888,7 +4818,6 @@ static DisasJumpType op_stpcifc(DisasContext *s, DisasOps *o) TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1)); TCGv_i32 ar = tcg_const_i32(get_field(s->fields, b2)); - check_privileged(s); gen_helper_stpcifc(cpu_env, r1, o->addr1, ar); tcg_temp_free_i32(ar); tcg_temp_free_i32(r1); @@ -4898,7 +4827,6 @@ static DisasJumpType op_stpcifc(DisasContext *s, DisasOps *o) static DisasJumpType op_sic(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_sic(cpu_env, o->in1, o->in2); return DISAS_NEXT; } @@ -4908,7 +4836,6 @@ static DisasJumpType op_rpcit(DisasContext *s, DisasOps *o) TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1)); TCGv_i32 r2 = tcg_const_i32(get_field(s->fields, r2)); - check_privileged(s); gen_helper_rpcit(cpu_env, r1, r2); tcg_temp_free_i32(r1); tcg_temp_free_i32(r2); @@ -4922,7 +4849,6 @@ static DisasJumpType op_pcistb(DisasContext *s, DisasOps *o) TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3)); TCGv_i32 ar = tcg_const_i32(get_field(s->fields, b2)); - check_privileged(s); gen_helper_pcistb(cpu_env, r1, r3, o->addr1, ar); tcg_temp_free_i32(ar); tcg_temp_free_i32(r1); @@ -4936,7 +4862,6 @@ static DisasJumpType op_mpcifc(DisasContext *s, DisasOps *o) TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1)); TCGv_i32 ar = tcg_const_i32(get_field(s->fields, b2)); - check_privileged(s); gen_helper_mpcifc(cpu_env, r1, o->addr1, ar); tcg_temp_free_i32(ar); tcg_temp_free_i32(r1); @@ -6127,6 +6052,12 @@ static DisasJumpType translate_one(CPUS390XState *env, DisasContext *s) /* process flags */ if (insn->flags) { + /* privileged instruction */ + if ((s->base.tb->flags & FLAG_MASK_PSTATE) && (insn->flags & IF_PRIV)) { + gen_program_exception(s, PGM_PRIVILEGED); + return DISAS_NORETURN; + } + /* if AFP is not enabled, instructions and registers are forbidden */ if (!(s->base.tb->flags & FLAG_MASK_AFP)) { uint8_t dxc = 0; |