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Re: [PATCH v3 04/18] target/s390x: Remove ilen parameter from s390_progr


From: David Hildenbrand
Subject: Re: [PATCH v3 04/18] target/s390x: Remove ilen parameter from s390_program_interrupt
Date: Fri, 27 Sep 2019 12:34:03 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0

On 26.09.19 18:26, Richard Henderson wrote:
> This is no longer used, and many of the existing uses -- particularly
> within hw/s390x -- seem questionable.
> 
> Signed-off-by: Richard Henderson <address@hidden>
> ---
>  target/s390x/cpu.h           |  3 +-
>  hw/s390x/s390-pci-inst.c     | 58 ++++++++++++++++++------------------
>  target/s390x/cc_helper.c     |  2 +-
>  target/s390x/crypto_helper.c |  4 +--
>  target/s390x/diag.c          | 14 ++++-----
>  target/s390x/excp_helper.c   |  4 +--
>  target/s390x/fpu_helper.c    |  6 ++--
>  target/s390x/int_helper.c    | 14 ++++-----
>  target/s390x/interrupt.c     |  3 +-
>  target/s390x/ioinst.c        | 40 ++++++++++++-------------
>  target/s390x/mem_helper.c    | 43 +++++++++++++-------------
>  target/s390x/misc_helper.c   | 27 ++++++-----------
>  12 files changed, 103 insertions(+), 115 deletions(-)
> 
> diff --git a/target/s390x/cpu.h b/target/s390x/cpu.h
> index 080ebcd6bb..a5eab491cd 100644
> --- a/target/s390x/cpu.h
> +++ b/target/s390x/cpu.h
> @@ -819,8 +819,7 @@ void s390_io_interrupt(uint16_t subchannel_id, uint16_t 
> subchannel_nr,
>  /* automatically detect the instruction length */
>  #define ILEN_AUTO                   0xff
>  #define RA_IGNORED                  0
> -void s390_program_interrupt(CPUS390XState *env, uint32_t code, int ilen,
> -                            uintptr_t ra);
> +void s390_program_interrupt(CPUS390XState *env, uint32_t code, uintptr_t ra);
>  /* service interrupts are floating therefore we must not pass an cpustate */
>  void s390_sclp_extint(uint32_t parm);
>  
> diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c
> index 4b3bd4a804..92c7e45df5 100644
> --- a/hw/s390x/s390-pci-inst.c
> +++ b/hw/s390x/s390-pci-inst.c
> @@ -157,7 +157,7 @@ int clp_service_call(S390CPU *cpu, uint8_t r2, uintptr_t 
> ra)
>      int i;
>  
>      if (env->psw.mask & PSW_MASK_PSTATE) {
> -        s390_program_interrupt(env, PGM_PRIVILEGED, 4, ra);
> +        s390_program_interrupt(env, PGM_PRIVILEGED, ra);
>          return 0;
>      }
>  
> @@ -168,7 +168,7 @@ int clp_service_call(S390CPU *cpu, uint8_t r2, uintptr_t 
> ra)
>      reqh = (ClpReqHdr *)buffer;
>      req_len = lduw_p(&reqh->len);
>      if (req_len < 16 || req_len > 8184 || (req_len % 8 != 0)) {
> -        s390_program_interrupt(env, PGM_OPERAND, 4, ra);
> +        s390_program_interrupt(env, PGM_OPERAND, ra);
>          return 0;
>      }
>  
> @@ -180,11 +180,11 @@ int clp_service_call(S390CPU *cpu, uint8_t r2, 
> uintptr_t ra)
>      resh = (ClpRspHdr *)(buffer + req_len);
>      res_len = lduw_p(&resh->len);
>      if (res_len < 8 || res_len > 8176 || (res_len % 8 != 0)) {
> -        s390_program_interrupt(env, PGM_OPERAND, 4, ra);
> +        s390_program_interrupt(env, PGM_OPERAND, ra);
>          return 0;
>      }
>      if ((req_len + res_len) > 8192) {
> -        s390_program_interrupt(env, PGM_OPERAND, 4, ra);
> +        s390_program_interrupt(env, PGM_OPERAND, ra);
>          return 0;
>      }
>  
> @@ -390,12 +390,12 @@ int pcilg_service_call(S390CPU *cpu, uint8_t r1, 
> uint8_t r2, uintptr_t ra)
>      uint8_t pcias;
>  
>      if (env->psw.mask & PSW_MASK_PSTATE) {
> -        s390_program_interrupt(env, PGM_PRIVILEGED, 4, ra);
> +        s390_program_interrupt(env, PGM_PRIVILEGED, ra);
>          return 0;
>      }
>  
>      if (r2 & 0x1) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, 4, ra);
> +        s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>          return 0;
>      }
>  
> @@ -429,25 +429,25 @@ int pcilg_service_call(S390CPU *cpu, uint8_t r1, 
> uint8_t r2, uintptr_t ra)
>      switch (pcias) {
>      case ZPCI_IO_BAR_MIN...ZPCI_IO_BAR_MAX:
>          if (!len || (len > (8 - (offset & 0x7)))) {
> -            s390_program_interrupt(env, PGM_OPERAND, 4, ra);
> +            s390_program_interrupt(env, PGM_OPERAND, ra);
>              return 0;
>          }
>          result = zpci_read_bar(pbdev, pcias, offset, &data, len);
>          if (result != MEMTX_OK) {
> -            s390_program_interrupt(env, PGM_OPERAND, 4, ra);
> +            s390_program_interrupt(env, PGM_OPERAND, ra);
>              return 0;
>          }
>          break;
>      case ZPCI_CONFIG_BAR:
>          if (!len || (len > (4 - (offset & 0x3))) || len == 3) {
> -            s390_program_interrupt(env, PGM_OPERAND, 4, ra);
> +            s390_program_interrupt(env, PGM_OPERAND, ra);
>              return 0;
>          }
>          data =  pci_host_config_read_common(
>                     pbdev->pdev, offset, pci_config_size(pbdev->pdev), len);
>  
>          if (zpci_endian_swap(&data, len)) {
> -            s390_program_interrupt(env, PGM_OPERAND, 4, ra);
> +            s390_program_interrupt(env, PGM_OPERAND, ra);
>              return 0;
>          }
>          break;
> @@ -489,12 +489,12 @@ int pcistg_service_call(S390CPU *cpu, uint8_t r1, 
> uint8_t r2, uintptr_t ra)
>      uint8_t pcias;
>  
>      if (env->psw.mask & PSW_MASK_PSTATE) {
> -        s390_program_interrupt(env, PGM_PRIVILEGED, 4, ra);
> +        s390_program_interrupt(env, PGM_PRIVILEGED, ra);
>          return 0;
>      }
>  
>      if (r2 & 0x1) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, 4, ra);
> +        s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>          return 0;
>      }
>  
> @@ -536,13 +536,13 @@ int pcistg_service_call(S390CPU *cpu, uint8_t r1, 
> uint8_t r2, uintptr_t ra)
>           * A length of 0 is invalid and length should not cross a double word
>           */
>          if (!len || (len > (8 - (offset & 0x7)))) {
> -            s390_program_interrupt(env, PGM_OPERAND, 4, ra);
> +            s390_program_interrupt(env, PGM_OPERAND, ra);
>              return 0;
>          }
>  
>          result = zpci_write_bar(pbdev, pcias, offset, data, len);
>          if (result != MEMTX_OK) {
> -            s390_program_interrupt(env, PGM_OPERAND, 4, ra);
> +            s390_program_interrupt(env, PGM_OPERAND, ra);
>              return 0;
>          }
>          break;
> @@ -550,7 +550,7 @@ int pcistg_service_call(S390CPU *cpu, uint8_t r1, uint8_t 
> r2, uintptr_t ra)
>          /* ZPCI uses the pseudo BAR number 15 as configuration space */
>          /* possible access lengths are 1,2,4 and must not cross a word */
>          if (!len || (len > (4 - (offset & 0x3))) || len == 3) {
> -            s390_program_interrupt(env, PGM_OPERAND, 4, ra);
> +            s390_program_interrupt(env, PGM_OPERAND, ra);
>              return 0;
>          }
>          /* len = 1,2,4 so we do not need to test */
> @@ -622,12 +622,12 @@ int rpcit_service_call(S390CPU *cpu, uint8_t r1, 
> uint8_t r2, uintptr_t ra)
>      hwaddr start, end;
>  
>      if (env->psw.mask & PSW_MASK_PSTATE) {
> -        s390_program_interrupt(env, PGM_PRIVILEGED, 4, ra);
> +        s390_program_interrupt(env, PGM_PRIVILEGED, ra);
>          return 0;
>      }
>  
>      if (r2 & 0x1) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, 4, ra);
> +        s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>          return 0;
>      }
>  
> @@ -709,7 +709,7 @@ int pcistb_service_call(S390CPU *cpu, uint8_t r1, uint8_t 
> r3, uint64_t gaddr,
>      uint8_t buffer[128];
>  
>      if (env->psw.mask & PSW_MASK_PSTATE) {
> -        s390_program_interrupt(env, PGM_PRIVILEGED, 6, ra);
> +        s390_program_interrupt(env, PGM_PRIVILEGED, ra);
>          return 0;
>      }
>  
> @@ -772,7 +772,7 @@ int pcistb_service_call(S390CPU *cpu, uint8_t r1, uint8_t 
> r3, uint64_t gaddr,
>  
>      if (!memory_region_access_valid(mr, offset, len, true,
>                                      MEMTXATTRS_UNSPECIFIED)) {
> -        s390_program_interrupt(env, PGM_OPERAND, 6, ra);
> +        s390_program_interrupt(env, PGM_OPERAND, ra);
>          return 0;
>      }
>  
> @@ -786,7 +786,7 @@ int pcistb_service_call(S390CPU *cpu, uint8_t r1, uint8_t 
> r3, uint64_t gaddr,
>                                                ldq_p(buffer + i * 8),
>                                                MO_64, MEMTXATTRS_UNSPECIFIED);
>          if (result != MEMTX_OK) {
> -            s390_program_interrupt(env, PGM_OPERAND, 6, ra);
> +            s390_program_interrupt(env, PGM_OPERAND, ra);
>              return 0;
>          }
>      }
> @@ -797,7 +797,7 @@ int pcistb_service_call(S390CPU *cpu, uint8_t r1, uint8_t 
> r3, uint64_t gaddr,
>      return 0;
>  
>  specification_error:
> -    s390_program_interrupt(env, PGM_SPECIFICATION, 6, ra);
> +    s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>      return 0;
>  }
>  
> @@ -871,14 +871,14 @@ static int reg_ioat(CPUS390XState *env, S390PCIIOMMU 
> *iommu, ZpciFib fib,
>      pba &= ~0xfff;
>      pal |= 0xfff;
>      if (pba > pal || pba < ZPCI_SDMA_ADDR || pal > ZPCI_EDMA_ADDR) {
> -        s390_program_interrupt(env, PGM_OPERAND, 6, ra);
> +        s390_program_interrupt(env, PGM_OPERAND, ra);
>          return -EINVAL;
>      }
>  
>      /* currently we only support designation type 1 with translation */
>      if (!(dt == ZPCI_IOTA_RTTO && t)) {
>          error_report("unsupported ioat dt %d t %d", dt, t);
> -        s390_program_interrupt(env, PGM_OPERAND, 6, ra);
> +        s390_program_interrupt(env, PGM_OPERAND, ra);
>          return -EINVAL;
>      }
>  
> @@ -1003,7 +1003,7 @@ int mpcifc_service_call(S390CPU *cpu, uint8_t r1, 
> uint64_t fiba, uint8_t ar,
>      uint64_t cc = ZPCI_PCI_LS_OK;
>  
>      if (env->psw.mask & PSW_MASK_PSTATE) {
> -        s390_program_interrupt(env, PGM_PRIVILEGED, 6, ra);
> +        s390_program_interrupt(env, PGM_PRIVILEGED, ra);
>          return 0;
>      }
>  
> @@ -1012,7 +1012,7 @@ int mpcifc_service_call(S390CPU *cpu, uint8_t r1, 
> uint64_t fiba, uint8_t ar,
>      fh = env->regs[r1] >> 32;
>  
>      if (fiba & 0x7) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, 6, ra);
> +        s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>          return 0;
>      }
>  
> @@ -1040,7 +1040,7 @@ int mpcifc_service_call(S390CPU *cpu, uint8_t r1, 
> uint64_t fiba, uint8_t ar,
>      }
>  
>      if (fib.fmt != 0) {
> -        s390_program_interrupt(env, PGM_OPERAND, 6, ra);
> +        s390_program_interrupt(env, PGM_OPERAND, ra);
>          return 0;
>      }
>  
> @@ -1151,7 +1151,7 @@ int mpcifc_service_call(S390CPU *cpu, uint8_t r1, 
> uint64_t fiba, uint8_t ar,
>          break;
>      }
>      default:
> -        s390_program_interrupt(&cpu->env, PGM_OPERAND, 6, ra);
> +        s390_program_interrupt(&cpu->env, PGM_OPERAND, ra);
>          cc = ZPCI_PCI_LS_ERR;
>      }
>  
> @@ -1171,7 +1171,7 @@ int stpcifc_service_call(S390CPU *cpu, uint8_t r1, 
> uint64_t fiba, uint8_t ar,
>      uint64_t cc = ZPCI_PCI_LS_OK;
>  
>      if (env->psw.mask & PSW_MASK_PSTATE) {
> -        s390_program_interrupt(env, PGM_PRIVILEGED, 6, ra);
> +        s390_program_interrupt(env, PGM_PRIVILEGED, ra);
>          return 0;
>      }
>  
> @@ -1185,7 +1185,7 @@ int stpcifc_service_call(S390CPU *cpu, uint8_t r1, 
> uint64_t fiba, uint8_t ar,
>      }
>  
>      if (fiba & 0x7) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, 6, ra);
> +        s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>          return 0;
>      }
>  
> diff --git a/target/s390x/cc_helper.c b/target/s390x/cc_helper.c
> index cf68792733..3cb00bcb09 100644
> --- a/target/s390x/cc_helper.c
> +++ b/target/s390x/cc_helper.c
> @@ -588,7 +588,7 @@ void HELPER(sacf)(CPUS390XState *env, uint64_t a1)
>          break;
>      default:
>          HELPER_LOG("unknown sacf mode: %" PRIx64 "\n", a1);
> -        s390_program_interrupt(env, PGM_SPECIFICATION, 2, GETPC());
> +        s390_program_interrupt(env, PGM_SPECIFICATION, GETPC());
>          break;
>      }
>  }
> diff --git a/target/s390x/crypto_helper.c b/target/s390x/crypto_helper.c
> index 5c79790187..1f83987e9d 100644
> --- a/target/s390x/crypto_helper.c
> +++ b/target/s390x/crypto_helper.c
> @@ -34,7 +34,7 @@ uint32_t HELPER(msa)(CPUS390XState *env, uint32_t r1, 
> uint32_t r2, uint32_t r3,
>      case S390_FEAT_TYPE_PCKMO:
>      case S390_FEAT_TYPE_PCC:
>          if (mod) {
> -            s390_program_interrupt(env, PGM_SPECIFICATION, 4, ra);
> +            s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>              return 0;
>          }
>          break;
> @@ -42,7 +42,7 @@ uint32_t HELPER(msa)(CPUS390XState *env, uint32_t r1, 
> uint32_t r2, uint32_t r3,
>  
>      s390_get_feat_block(type, subfunc);
>      if (!test_be_bit(fc, subfunc)) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, 4, ra);
> +        s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>          return 0;
>      }
>  
> diff --git a/target/s390x/diag.c b/target/s390x/diag.c
> index 65eabf0461..53c2f81f2a 100644
> --- a/target/s390x/diag.c
> +++ b/target/s390x/diag.c
> @@ -61,12 +61,12 @@ void handle_diag_308(CPUS390XState *env, uint64_t r1, 
> uint64_t r3, uintptr_t ra)
>      IplParameterBlock *iplb;
>  
>      if (env->psw.mask & PSW_MASK_PSTATE) {
> -        s390_program_interrupt(env, PGM_PRIVILEGED, ILEN_AUTO, ra);
> +        s390_program_interrupt(env, PGM_PRIVILEGED, ra);
>          return;
>      }
>  
>      if ((subcode & ~0x0ffffULL) || (subcode > 6)) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, ILEN_AUTO, ra);
> +        s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>          return;
>      }
>  
> @@ -82,13 +82,13 @@ void handle_diag_308(CPUS390XState *env, uint64_t r1, 
> uint64_t r3, uintptr_t ra)
>          break;
>      case 5:
>          if ((r1 & 1) || (addr & 0x0fffULL)) {
> -            s390_program_interrupt(env, PGM_SPECIFICATION, ILEN_AUTO, ra);
> +            s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>              return;
>          }
>          if (!address_space_access_valid(&address_space_memory, addr,
>                                          sizeof(IplParameterBlock), false,
>                                          MEMTXATTRS_UNSPECIFIED)) {
> -            s390_program_interrupt(env, PGM_ADDRESSING, ILEN_AUTO, ra);
> +            s390_program_interrupt(env, PGM_ADDRESSING, ra);
>              return;
>          }
>          iplb = g_new0(IplParameterBlock, 1);
> @@ -112,13 +112,13 @@ out:
>          return;
>      case 6:
>          if ((r1 & 1) || (addr & 0x0fffULL)) {
> -            s390_program_interrupt(env, PGM_SPECIFICATION, ILEN_AUTO, ra);
> +            s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>              return;
>          }
>          if (!address_space_access_valid(&address_space_memory, addr,
>                                          sizeof(IplParameterBlock), true,
>                                          MEMTXATTRS_UNSPECIFIED)) {
> -            s390_program_interrupt(env, PGM_ADDRESSING, ILEN_AUTO, ra);
> +            s390_program_interrupt(env, PGM_ADDRESSING, ra);
>              return;
>          }
>          iplb = s390_ipl_get_iplb();
> @@ -130,7 +130,7 @@ out:
>          }
>          return;
>      default:
> -        s390_program_interrupt(env, PGM_SPECIFICATION, ILEN_AUTO, ra);
> +        s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>          break;
>      }
>  }
> diff --git a/target/s390x/excp_helper.c b/target/s390x/excp_helper.c
> index 681a9c59e1..089623a248 100644
> --- a/target/s390x/excp_helper.c
> +++ b/target/s390x/excp_helper.c
> @@ -75,7 +75,7 @@ void QEMU_NORETURN tcg_s390_vector_exception(CPUS390XState 
> *env, uint32_t vxc,
>  
>      /* Always store the VXC into the FPC, without AFP it is undefined */
>      env->fpc = deposit32(env->fpc, 8, 8, vxc);
> -    tcg_s390_program_interrupt(env, PGM_VECTOR_PROCESSING, ILEN_AUTO, ra);
> +    tcg_s390_program_interrupt(env, PGM_VECTOR_PROCESSING, ra);
>  }
>  
>  void HELPER(data_exception)(CPUS390XState *env, uint32_t dxc)
> @@ -614,7 +614,7 @@ void s390x_cpu_do_unaligned_access(CPUState *cs, vaddr 
> addr,
>      S390CPU *cpu = S390_CPU(cs);
>      CPUS390XState *env = &cpu->env;
>  
> -    s390_program_interrupt(env, PGM_SPECIFICATION, ILEN_AUTO, retaddr);
> +    s390_program_interrupt(env, PGM_SPECIFICATION, retaddr);
>  }
>  
>  #endif /* CONFIG_USER_ONLY */
> diff --git a/target/s390x/fpu_helper.c b/target/s390x/fpu_helper.c
> index 5faf973c6c..7228eb96e2 100644
> --- a/target/s390x/fpu_helper.c
> +++ b/target/s390x/fpu_helper.c
> @@ -825,7 +825,7 @@ void HELPER(sfpc)(CPUS390XState *env, uint64_t fpc)
>  {
>      if (fpc_to_rnd[fpc & 0x7] == -1 || fpc & 0x03030088u ||
>          (!s390_has_feat(S390_FEAT_FLOATING_POINT_EXT) && fpc & 0x4)) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, ILEN_AUTO, GETPC());
> +        s390_program_interrupt(env, PGM_SPECIFICATION, GETPC());
>      }
>  
>      /* Install everything in the main FPC.  */
> @@ -843,7 +843,7 @@ void HELPER(sfas)(CPUS390XState *env, uint64_t fpc)
>  
>      if (fpc_to_rnd[fpc & 0x7] == -1 || fpc & 0x03030088u ||
>          (!s390_has_feat(S390_FEAT_FLOATING_POINT_EXT) && fpc & 0x4)) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, ILEN_AUTO, GETPC());
> +        s390_program_interrupt(env, PGM_SPECIFICATION, GETPC());
>      }
>  
>      /*
> @@ -880,7 +880,7 @@ void HELPER(sfas)(CPUS390XState *env, uint64_t fpc)
>  void HELPER(srnm)(CPUS390XState *env, uint64_t rnd)
>  {
>      if (rnd > 0x7 || fpc_to_rnd[rnd & 0x7] == -1) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, ILEN_AUTO, GETPC());
> +        s390_program_interrupt(env, PGM_SPECIFICATION, GETPC());
>      }
>  
>      env->fpc = deposit32(env->fpc, 0, 3, rnd);
> diff --git a/target/s390x/int_helper.c b/target/s390x/int_helper.c
> index d13cc49be6..1d29a1fc1f 100644
> --- a/target/s390x/int_helper.c
> +++ b/target/s390x/int_helper.c
> @@ -39,7 +39,7 @@ int64_t HELPER(divs32)(CPUS390XState *env, int64_t a, 
> int64_t b64)
>      int64_t q;
>  
>      if (b == 0) {
> -        s390_program_interrupt(env, PGM_FIXPT_DIVIDE, ILEN_AUTO, GETPC());
> +        s390_program_interrupt(env, PGM_FIXPT_DIVIDE, GETPC());
>      }
>  
>      ret = q = a / b;
> @@ -47,7 +47,7 @@ int64_t HELPER(divs32)(CPUS390XState *env, int64_t a, 
> int64_t b64)
>  
>      /* Catch non-representable quotient.  */
>      if (ret != q) {
> -        s390_program_interrupt(env, PGM_FIXPT_DIVIDE, ILEN_AUTO, GETPC());
> +        s390_program_interrupt(env, PGM_FIXPT_DIVIDE, GETPC());
>      }
>  
>      return ret;
> @@ -60,7 +60,7 @@ uint64_t HELPER(divu32)(CPUS390XState *env, uint64_t a, 
> uint64_t b64)
>      uint64_t q;
>  
>      if (b == 0) {
> -        s390_program_interrupt(env, PGM_FIXPT_DIVIDE, ILEN_AUTO, GETPC());
> +        s390_program_interrupt(env, PGM_FIXPT_DIVIDE, GETPC());
>      }
>  
>      ret = q = a / b;
> @@ -68,7 +68,7 @@ uint64_t HELPER(divu32)(CPUS390XState *env, uint64_t a, 
> uint64_t b64)
>  
>      /* Catch non-representable quotient.  */
>      if (ret != q) {
> -        s390_program_interrupt(env, PGM_FIXPT_DIVIDE, ILEN_AUTO, GETPC());
> +        s390_program_interrupt(env, PGM_FIXPT_DIVIDE, GETPC());
>      }
>  
>      return ret;
> @@ -79,7 +79,7 @@ int64_t HELPER(divs64)(CPUS390XState *env, int64_t a, 
> int64_t b)
>  {
>      /* Catch divide by zero, and non-representable quotient (MIN / -1).  */
>      if (b == 0 || (b == -1 && a == (1ll << 63))) {
> -        s390_program_interrupt(env, PGM_FIXPT_DIVIDE, ILEN_AUTO, GETPC());
> +        s390_program_interrupt(env, PGM_FIXPT_DIVIDE, GETPC());
>      }
>      env->retxl = a % b;
>      return a / b;
> @@ -92,7 +92,7 @@ uint64_t HELPER(divu64)(CPUS390XState *env, uint64_t ah, 
> uint64_t al,
>      uint64_t ret;
>      /* Signal divide by zero.  */
>      if (b == 0) {
> -        s390_program_interrupt(env, PGM_FIXPT_DIVIDE, ILEN_AUTO, GETPC());
> +        s390_program_interrupt(env, PGM_FIXPT_DIVIDE, GETPC());
>      }
>      if (ah == 0) {
>          /* 64 -> 64/64 case */
> @@ -106,7 +106,7 @@ uint64_t HELPER(divu64)(CPUS390XState *env, uint64_t ah, 
> uint64_t al,
>          env->retxl = a % b;
>          ret = q;
>          if (ret != q) {
> -            s390_program_interrupt(env, PGM_FIXPT_DIVIDE, ILEN_AUTO, 
> GETPC());
> +            s390_program_interrupt(env, PGM_FIXPT_DIVIDE, GETPC());
>          }
>  #else
>          /* 32-bit hosts would need special wrapper functionality - just 
> abort if
> diff --git a/target/s390x/interrupt.c b/target/s390x/interrupt.c
> index b798e2ecbe..2b71e03914 100644
> --- a/target/s390x/interrupt.c
> +++ b/target/s390x/interrupt.c
> @@ -34,8 +34,7 @@ void trigger_pgm_exception(CPUS390XState *env, uint32_t 
> code, uint32_t ilen)
>      }
>  }
>  
> -void s390_program_interrupt(CPUS390XState *env, uint32_t code, int ilen,
> -                            uintptr_t ra)
> +void s390_program_interrupt(CPUS390XState *env, uint32_t code, uintptr_t ra)
>  {
>      if (kvm_enabled()) {
>          kvm_s390_program_interrupt(env_archcpu(env), code);
> diff --git a/target/s390x/ioinst.c b/target/s390x/ioinst.c
> index 83c164a168..c437a1d8c6 100644
> --- a/target/s390x/ioinst.c
> +++ b/target/s390x/ioinst.c
> @@ -44,7 +44,7 @@ void ioinst_handle_xsch(S390CPU *cpu, uint64_t reg1, 
> uintptr_t ra)
>      SubchDev *sch;
>  
>      if (ioinst_disassemble_sch_ident(reg1, &m, &cssid, &ssid, &schid)) {
> -        s390_program_interrupt(&cpu->env, PGM_OPERAND, 4, ra);
> +        s390_program_interrupt(&cpu->env, PGM_OPERAND, ra);
>          return;
>      }
>      trace_ioinst_sch_id("xsch", cssid, ssid, schid);
> @@ -62,7 +62,7 @@ void ioinst_handle_csch(S390CPU *cpu, uint64_t reg1, 
> uintptr_t ra)
>      SubchDev *sch;
>  
>      if (ioinst_disassemble_sch_ident(reg1, &m, &cssid, &ssid, &schid)) {
> -        s390_program_interrupt(&cpu->env, PGM_OPERAND, 4, ra);
> +        s390_program_interrupt(&cpu->env, PGM_OPERAND, ra);
>          return;
>      }
>      trace_ioinst_sch_id("csch", cssid, ssid, schid);
> @@ -80,7 +80,7 @@ void ioinst_handle_hsch(S390CPU *cpu, uint64_t reg1, 
> uintptr_t ra)
>      SubchDev *sch;
>  
>      if (ioinst_disassemble_sch_ident(reg1, &m, &cssid, &ssid, &schid)) {
> -        s390_program_interrupt(&cpu->env, PGM_OPERAND, 4, ra);
> +        s390_program_interrupt(&cpu->env, PGM_OPERAND, ra);
>          return;
>      }
>      trace_ioinst_sch_id("hsch", cssid, ssid, schid);
> @@ -116,7 +116,7 @@ void ioinst_handle_msch(S390CPU *cpu, uint64_t reg1, 
> uint32_t ipb, uintptr_t ra)
>  
>      addr = decode_basedisp_s(env, ipb, &ar);
>      if (addr & 3) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, 4, ra);
> +        s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>          return;
>      }
>      if (s390_cpu_virt_mem_read(cpu, addr, ar, &schib, sizeof(schib))) {
> @@ -125,7 +125,7 @@ void ioinst_handle_msch(S390CPU *cpu, uint64_t reg1, 
> uint32_t ipb, uintptr_t ra)
>      }
>      if (ioinst_disassemble_sch_ident(reg1, &m, &cssid, &ssid, &schid) ||
>          !ioinst_schib_valid(&schib)) {
> -        s390_program_interrupt(env, PGM_OPERAND, 4, ra);
> +        s390_program_interrupt(env, PGM_OPERAND, ra);
>          return;
>      }
>      trace_ioinst_sch_id("msch", cssid, ssid, schid);
> @@ -173,7 +173,7 @@ void ioinst_handle_ssch(S390CPU *cpu, uint64_t reg1, 
> uint32_t ipb, uintptr_t ra)
>  
>      addr = decode_basedisp_s(env, ipb, &ar);
>      if (addr & 3) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, 4, ra);
> +        s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>          return;
>      }
>      if (s390_cpu_virt_mem_read(cpu, addr, ar, &orig_orb, sizeof(orb))) {
> @@ -183,7 +183,7 @@ void ioinst_handle_ssch(S390CPU *cpu, uint64_t reg1, 
> uint32_t ipb, uintptr_t ra)
>      copy_orb_from_guest(&orb, &orig_orb);
>      if (ioinst_disassemble_sch_ident(reg1, &m, &cssid, &ssid, &schid) ||
>          !ioinst_orb_valid(&orb)) {
> -        s390_program_interrupt(env, PGM_OPERAND, 4, ra);
> +        s390_program_interrupt(env, PGM_OPERAND, ra);
>          return;
>      }
>      trace_ioinst_sch_id("ssch", cssid, ssid, schid);
> @@ -205,7 +205,7 @@ void ioinst_handle_stcrw(S390CPU *cpu, uint32_t ipb, 
> uintptr_t ra)
>  
>      addr = decode_basedisp_s(env, ipb, &ar);
>      if (addr & 3) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, 4, ra);
> +        s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>          return;
>      }
>  
> @@ -236,7 +236,7 @@ void ioinst_handle_stsch(S390CPU *cpu, uint64_t reg1, 
> uint32_t ipb,
>  
>      addr = decode_basedisp_s(env, ipb, &ar);
>      if (addr & 3) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, 4, ra);
> +        s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>          return;
>      }
>  
> @@ -247,7 +247,7 @@ void ioinst_handle_stsch(S390CPU *cpu, uint64_t reg1, 
> uint32_t ipb,
>           * access execption if it is not) first.
>           */
>          if (!s390_cpu_virt_mem_check_write(cpu, addr, ar, sizeof(schib))) {
> -            s390_program_interrupt(env, PGM_OPERAND, 4, ra);
> +            s390_program_interrupt(env, PGM_OPERAND, ra);
>          } else {
>              s390_cpu_virt_mem_handle_exc(cpu, ra);
>          }
> @@ -299,13 +299,13 @@ int ioinst_handle_tsch(S390CPU *cpu, uint64_t reg1, 
> uint32_t ipb, uintptr_t ra)
>      uint8_t ar;
>  
>      if (ioinst_disassemble_sch_ident(reg1, &m, &cssid, &ssid, &schid)) {
> -        s390_program_interrupt(env, PGM_OPERAND, 4, ra);
> +        s390_program_interrupt(env, PGM_OPERAND, ra);
>          return -EIO;
>      }
>      trace_ioinst_sch_id("tsch", cssid, ssid, schid);
>      addr = decode_basedisp_s(env, ipb, &ar);
>      if (addr & 3) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, 4, ra);
> +        s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>          return -EIO;
>      }
>  
> @@ -613,7 +613,7 @@ void ioinst_handle_chsc(S390CPU *cpu, uint32_t ipb, 
> uintptr_t ra)
>      addr = env->regs[reg];
>      /* Page boundary? */
>      if (addr & 0xfff) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, 4, ra);
> +        s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>          return;
>      }
>      /*
> @@ -629,7 +629,7 @@ void ioinst_handle_chsc(S390CPU *cpu, uint32_t ipb, 
> uintptr_t ra)
>      len = be16_to_cpu(req->len);
>      /* Length field valid? */
>      if ((len < 16) || (len > 4088) || (len & 7)) {
> -        s390_program_interrupt(env, PGM_OPERAND, 4, ra);
> +        s390_program_interrupt(env, PGM_OPERAND, ra);
>          return;
>      }
>      memset((char *)req + len, 0, TARGET_PAGE_SIZE - len);
> @@ -678,7 +678,7 @@ void ioinst_handle_schm(S390CPU *cpu, uint64_t reg1, 
> uint64_t reg2,
>      trace_ioinst("schm");
>  
>      if (SCHM_REG1_RES(reg1)) {
> -        s390_program_interrupt(env, PGM_OPERAND, 4, ra);
> +        s390_program_interrupt(env, PGM_OPERAND, ra);
>          return;
>      }
>  
> @@ -687,7 +687,7 @@ void ioinst_handle_schm(S390CPU *cpu, uint64_t reg1, 
> uint64_t reg2,
>      dct = SCHM_REG1_DCT(reg1);
>  
>      if (update && (reg2 & 0x000000000000001f)) {
> -        s390_program_interrupt(env, PGM_OPERAND, 4, ra);
> +        s390_program_interrupt(env, PGM_OPERAND, ra);
>          return;
>      }
>  
> @@ -700,7 +700,7 @@ void ioinst_handle_rsch(S390CPU *cpu, uint64_t reg1, 
> uintptr_t ra)
>      SubchDev *sch;
>  
>      if (ioinst_disassemble_sch_ident(reg1, &m, &cssid, &ssid, &schid)) {
> -        s390_program_interrupt(&cpu->env, PGM_OPERAND, 4, ra);
> +        s390_program_interrupt(&cpu->env, PGM_OPERAND, ra);
>          return;
>      }
>      trace_ioinst_sch_id("rsch", cssid, ssid, schid);
> @@ -724,7 +724,7 @@ void ioinst_handle_rchp(S390CPU *cpu, uint64_t reg1, 
> uintptr_t ra)
>      CPUS390XState *env = &cpu->env;
>  
>      if (RCHP_REG1_RES(reg1)) {
> -        s390_program_interrupt(env, PGM_OPERAND, 4, ra);
> +        s390_program_interrupt(env, PGM_OPERAND, ra);
>          return;
>      }
>  
> @@ -747,7 +747,7 @@ void ioinst_handle_rchp(S390CPU *cpu, uint64_t reg1, 
> uintptr_t ra)
>          break;
>      default:
>          /* Invalid channel subsystem. */
> -        s390_program_interrupt(env, PGM_OPERAND, 4, ra);
> +        s390_program_interrupt(env, PGM_OPERAND, ra);
>          return;
>      }
>      setcc(cpu, cc);
> @@ -758,6 +758,6 @@ void ioinst_handle_sal(S390CPU *cpu, uint64_t reg1, 
> uintptr_t ra)
>  {
>      /* We do not provide address limit checking, so let's suppress it. */
>      if (SAL_REG1_INVALID(reg1) || reg1 & 0x000000000000ffff) {
> -        s390_program_interrupt(&cpu->env, PGM_OPERAND, 4, ra);
> +        s390_program_interrupt(&cpu->env, PGM_OPERAND, ra);
>      }
>  }
> diff --git a/target/s390x/mem_helper.c b/target/s390x/mem_helper.c
> index 08c5cc6a99..77d2eb96d4 100644
> --- a/target/s390x/mem_helper.c
> +++ b/target/s390x/mem_helper.c
> @@ -71,7 +71,7 @@ static inline void check_alignment(CPUS390XState *env, 
> uint64_t v,
>                                     int wordsize, uintptr_t ra)
>  {
>      if (v % wordsize) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, 6, ra);
> +        s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>      }
>  }
>  
> @@ -730,7 +730,7 @@ void HELPER(srst)(CPUS390XState *env, uint32_t r1, 
> uint32_t r2)
>  
>      /* Bits 32-55 must contain all 0.  */
>      if (env->regs[0] & 0xffffff00u) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, 6, ra);
> +        s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>      }
>  
>      str = get_address(env, r2);
> @@ -767,7 +767,7 @@ void HELPER(srstu)(CPUS390XState *env, uint32_t r1, 
> uint32_t r2)
>  
>      /* Bits 32-47 of R0 must be zero.  */
>      if (env->regs[0] & 0xffff0000u) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, 6, ra);
> +        s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>      }
>  
>      str = get_address(env, r2);
> @@ -846,7 +846,7 @@ uint32_t HELPER(mvpg)(CPUS390XState *env, uint64_t r0, 
> uint64_t r1, uint64_t r2)
>      S390Access srca, desta;
>  
>      if ((f && s) || extract64(r0, 12, 4)) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, ILEN_AUTO, GETPC());
> +        s390_program_interrupt(env, PGM_SPECIFICATION, GETPC());
>      }
>  
>      r1 = wrap_address(env, r1 & TARGET_PAGE_MASK);
> @@ -879,7 +879,7 @@ uint32_t HELPER(mvst)(CPUS390XState *env, uint32_t r1, 
> uint32_t r2)
>      int i;
>  
>      if (env->regs[0] & 0xffffff00ull) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, ILEN_AUTO, ra);
> +        s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>      }
>  
>      /*
> @@ -911,8 +911,7 @@ void HELPER(lam)(CPUS390XState *env, uint32_t r1, 
> uint64_t a2, uint32_t r3)
>      int i;
>  
>      if (a2 & 0x3) {
> -        /* we either came here by lam or lamy, which have different lengths 
> */
> -        s390_program_interrupt(env, PGM_SPECIFICATION, ILEN_AUTO, ra);
> +        s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>      }
>  
>      for (i = r1;; i = (i + 1) % 16) {
> @@ -932,7 +931,7 @@ void HELPER(stam)(CPUS390XState *env, uint32_t r1, 
> uint64_t a2, uint32_t r3)
>      int i;
>  
>      if (a2 & 0x3) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, 4, ra);
> +        s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>      }
>  
>      for (i = r1;; i = (i + 1) % 16) {
> @@ -1888,7 +1887,7 @@ static uint32_t do_csst(CPUS390XState *env, uint32_t 
> r3, uint64_t a1,
>      return cc;
>  
>   spec_exception:
> -    s390_program_interrupt(env, PGM_SPECIFICATION, 6, ra);
> +    s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>      g_assert_not_reached();
>  }
>  
> @@ -1912,7 +1911,7 @@ void HELPER(lctlg)(CPUS390XState *env, uint32_t r1, 
> uint64_t a2, uint32_t r3)
>      uint32_t i;
>  
>      if (src & 0x7) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, 6, ra);
> +        s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>      }
>  
>      for (i = r1;; i = (i + 1) % 16) {
> @@ -1945,7 +1944,7 @@ void HELPER(lctl)(CPUS390XState *env, uint32_t r1, 
> uint64_t a2, uint32_t r3)
>      uint32_t i;
>  
>      if (src & 0x3) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, 4, ra);
> +        s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>      }
>  
>      for (i = r1;; i = (i + 1) % 16) {
> @@ -1976,7 +1975,7 @@ void HELPER(stctg)(CPUS390XState *env, uint32_t r1, 
> uint64_t a2, uint32_t r3)
>      uint32_t i;
>  
>      if (dest & 0x7) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, 6, ra);
> +        s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>      }
>  
>      for (i = r1;; i = (i + 1) % 16) {
> @@ -1996,7 +1995,7 @@ void HELPER(stctl)(CPUS390XState *env, uint32_t r1, 
> uint64_t a2, uint32_t r3)
>      uint32_t i;
>  
>      if (dest & 0x3) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, 4, ra);
> +        s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>      }
>  
>      for (i = r1;; i = (i + 1) % 16) {
> @@ -2168,7 +2167,7 @@ uint32_t HELPER(mvcs)(CPUS390XState *env, uint64_t l, 
> uint64_t a1, uint64_t a2)
>  
>      if (!(env->psw.mask & PSW_MASK_DAT) || !(env->cregs[0] & CR0_SECONDARY) 
> ||
>          psw_as == AS_HOME || psw_as == AS_ACCREG) {
> -        s390_program_interrupt(env, PGM_SPECIAL_OP, ILEN_AUTO, ra);
> +        s390_program_interrupt(env, PGM_SPECIAL_OP, ra);
>      }
>  
>      l = wrap_length32(env, l);
> @@ -2199,7 +2198,7 @@ uint32_t HELPER(mvcp)(CPUS390XState *env, uint64_t l, 
> uint64_t a1, uint64_t a2)
>  
>      if (!(env->psw.mask & PSW_MASK_DAT) || !(env->cregs[0] & CR0_SECONDARY) 
> ||
>          psw_as == AS_HOME || psw_as == AS_ACCREG) {
> -        s390_program_interrupt(env, PGM_SPECIAL_OP, ILEN_AUTO, ra);
> +        s390_program_interrupt(env, PGM_SPECIAL_OP, ra);
>      }
>  
>      l = wrap_length32(env, l);
> @@ -2226,7 +2225,7 @@ void HELPER(idte)(CPUS390XState *env, uint64_t r1, 
> uint64_t r2, uint32_t m4)
>      uint16_t entries, i, index = 0;
>  
>      if (r2 & 0xff000) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, 4, ra);
> +        s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>      }
>  
>      if (!(r2 & 0x800)) {
> @@ -2370,7 +2369,7 @@ uint64_t HELPER(lra)(CPUS390XState *env, uint64_t addr)
>  
>      /* XXX incomplete - has more corner cases */
>      if (!(env->psw.mask & PSW_MASK_64) && (addr >> 32)) {
> -        s390_program_interrupt(env, PGM_SPECIAL_OP, 2, GETPC());
> +        s390_program_interrupt(env, PGM_SPECIAL_OP, GETPC());
>      }
>  
>      old_exc = cs->exception_index;
> @@ -2539,7 +2538,7 @@ uint32_t HELPER(mvcos)(CPUS390XState *env, uint64_t 
> dest, uint64_t src,
>                 __func__, dest, src, len);
>  
>      if (!(env->psw.mask & PSW_MASK_DAT)) {
> -        s390_program_interrupt(env, PGM_SPECIAL_OP, 6, ra);
> +        s390_program_interrupt(env, PGM_SPECIAL_OP, ra);
>      }
>  
>      /* OAC (operand access control) for the first operand -> dest */
> @@ -2570,14 +2569,14 @@ uint32_t HELPER(mvcos)(CPUS390XState *env, uint64_t 
> dest, uint64_t src,
>      }
>  
>      if (dest_a && dest_as == AS_HOME && (env->psw.mask & PSW_MASK_PSTATE)) {
> -        s390_program_interrupt(env, PGM_SPECIAL_OP, 6, ra);
> +        s390_program_interrupt(env, PGM_SPECIAL_OP, ra);
>      }
>      if (!(env->cregs[0] & CR0_SECONDARY) &&
>          (dest_as == AS_SECONDARY || src_as == AS_SECONDARY)) {
> -        s390_program_interrupt(env, PGM_SPECIAL_OP, 6, ra);
> +        s390_program_interrupt(env, PGM_SPECIAL_OP, ra);
>      }
>      if (!psw_key_valid(env, dest_key) || !psw_key_valid(env, src_key)) {
> -        s390_program_interrupt(env, PGM_PRIVILEGED, 6, ra);
> +        s390_program_interrupt(env, PGM_PRIVILEGED, ra);
>      }
>  
>      len = wrap_length32(env, len);
> @@ -2591,7 +2590,7 @@ uint32_t HELPER(mvcos)(CPUS390XState *env, uint64_t 
> dest, uint64_t src,
>          (env->psw.mask & PSW_MASK_PSTATE)) {
>          qemu_log_mask(LOG_UNIMP, "%s: AR-mode and PSTATE support missing\n",
>                        __func__);
> -        s390_program_interrupt(env, PGM_ADDRESSING, 6, ra);
> +        s390_program_interrupt(env, PGM_ADDRESSING, ra);
>      }
>  
>      /* FIXME: Access using correct keys and AR-mode */
> diff --git a/target/s390x/misc_helper.c b/target/s390x/misc_helper.c
> index 7530dcb8f3..9fbb37cfb9 100644
> --- a/target/s390x/misc_helper.c
> +++ b/target/s390x/misc_helper.c
> @@ -106,7 +106,7 @@ uint32_t HELPER(servc)(CPUS390XState *env, uint64_t r1, 
> uint64_t r2)
>      int r = sclp_service_call(env, r1, r2);
>      qemu_mutex_unlock_iothread();
>      if (r < 0) {
> -        s390_program_interrupt(env, -r, 4, GETPC());
> +        s390_program_interrupt(env, -r, GETPC());
>      }
>      return r;
>  }
> @@ -143,7 +143,7 @@ void HELPER(diag)(CPUS390XState *env, uint32_t r1, 
> uint32_t r3, uint32_t num)
>      }
>  
>      if (r) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, ILEN_AUTO, GETPC());
> +        s390_program_interrupt(env, PGM_SPECIFICATION, GETPC());
>      }
>  }
>  
> @@ -222,7 +222,7 @@ void HELPER(sckpf)(CPUS390XState *env, uint64_t r0)
>      uint32_t val = r0;
>  
>      if (val & 0xffff0000) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, 2, GETPC());
> +        s390_program_interrupt(env, PGM_SPECIFICATION, GETPC());
>      }
>      env->todpr = val;
>  }
> @@ -266,7 +266,7 @@ uint32_t HELPER(stsi)(CPUS390XState *env, uint64_t a0, 
> uint64_t r0, uint64_t r1)
>      }
>  
>      if ((r0 & STSI_R0_RESERVED_MASK) || (r1 & STSI_R1_RESERVED_MASK)) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, 4, ra);
> +        s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>      }
>  
>      if ((r0 & STSI_R0_FC_MASK) == STSI_R0_FC_CURRENT) {
> @@ -276,7 +276,7 @@ uint32_t HELPER(stsi)(CPUS390XState *env, uint64_t a0, 
> uint64_t r0, uint64_t r1)
>      }
>  
>      if (a0 & ~TARGET_PAGE_MASK) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, 4, ra);
> +        s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>      }
>  
>      /* count the cpus and split them into configured and reserved ones */
> @@ -509,7 +509,7 @@ uint32_t HELPER(tpi)(CPUS390XState *env, uint64_t addr)
>      LowCore *lowcore;
>  
>      if (addr & 0x3) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, 4, ra);
> +        s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>      }
>  
>      qemu_mutex_lock_iothread();
> @@ -573,17 +573,8 @@ void HELPER(chsc)(CPUS390XState *env, uint64_t inst)
>  #ifndef CONFIG_USER_ONLY
>  void HELPER(per_check_exception)(CPUS390XState *env)
>  {
> -    uint32_t ilen;
> -
>      if (env->per_perc_atmid) {
> -        /*
> -         * FIXME: ILEN_AUTO is most probably the right thing to use. ilen
> -         * always has to match the instruction referenced in the PSW. E.g.
> -         * if a PER interrupt is triggered via EXECUTE, we have to use ilen
> -         * of EXECUTE, while per_address contains the target of EXECUTE.
> -         */
> -        ilen = get_ilen(cpu_ldub_code(env, env->per_address));
> -        s390_program_interrupt(env, PGM_PER, ilen, GETPC());
> +        s390_program_interrupt(env, PGM_PER, GETPC());
>      }
>  }
>  
> @@ -673,7 +664,7 @@ uint32_t HELPER(stfle)(CPUS390XState *env, uint64_t addr)
>      int i;
>  
>      if (addr & 0x7) {
> -        s390_program_interrupt(env, PGM_SPECIFICATION, 4, ra);
> +        s390_program_interrupt(env, PGM_SPECIFICATION, ra);
>      }
>  
>      prepare_stfl();
> @@ -746,7 +737,7 @@ void HELPER(sic)(CPUS390XState *env, uint64_t r1, 
> uint64_t r3)
>      qemu_mutex_unlock_iothread();
>      /* css_do_sic() may actually return a PGM_xxx value to inject */
>      if (r) {
> -        s390_program_interrupt(env, -r, 4, GETPC());
> +        s390_program_interrupt(env, -r, GETPC());
>      }
>  }
>  
> 

Very nice, I think especially when these functions are called via
EXECUTE, stuff would be broken already.


Reviewed-by: David Hildenbrand <address@hidden>

-- 

Thanks,

David / dhildenb



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