S/390: Fix 16 bit pc relative relocs.
[deliverable/binutils-gdb.git] / gas / config / tc-arm.c
index b5f378661e5b850c1081ef0d1f4fcb8f2584157e..9a12bcc44d96cccc2ea0ec0411e743d9fb4f0a7d 100644 (file)
@@ -161,7 +161,9 @@ static const arm_feature_set fpu_arch_vfp_v3 ATTRIBUTE_UNUSED = FPU_ARCH_VFP_V3;
 static const arm_feature_set fpu_arch_neon_v1 ATTRIBUTE_UNUSED = FPU_ARCH_NEON_V1;
 static const arm_feature_set fpu_arch_fpa = FPU_ARCH_FPA;
 static const arm_feature_set fpu_any_hard = FPU_ANY_HARD;
+#ifdef OBJ_ELF
 static const arm_feature_set fpu_arch_maverick = FPU_ARCH_MAVERICK;
+#endif
 static const arm_feature_set fpu_endian_pure = FPU_ARCH_ENDIAN_PURE;
 
 #ifdef CPU_DEFAULT
@@ -198,7 +200,9 @@ static const arm_feature_set arm_ext_div = ARM_FEATURE_CORE_LOW (ARM_EXT_DIV);
 static const arm_feature_set arm_ext_v7 = ARM_FEATURE_CORE_LOW (ARM_EXT_V7);
 static const arm_feature_set arm_ext_v7a = ARM_FEATURE_CORE_LOW (ARM_EXT_V7A);
 static const arm_feature_set arm_ext_v7r = ARM_FEATURE_CORE_LOW (ARM_EXT_V7R);
+#ifdef OBJ_ELF
 static const arm_feature_set arm_ext_v7m = ARM_FEATURE_CORE_LOW (ARM_EXT_V7M);
+#endif
 static const arm_feature_set arm_ext_v8 = ARM_FEATURE_CORE_LOW (ARM_EXT_V8);
 static const arm_feature_set arm_ext_m =
   ARM_FEATURE_CORE (ARM_EXT_V6M | ARM_EXT_OS | ARM_EXT_V7M,
@@ -220,11 +224,13 @@ static const arm_feature_set arm_ext_v6t2_v8m =
 /* Instructions shared between ARMv8-A and ARMv8-M.  */
 static const arm_feature_set arm_ext_atomics =
   ARM_FEATURE_CORE_HIGH (ARM_EXT2_ATOMICS);
+#ifdef OBJ_ELF
 /* DSP instructions Tag_DSP_extension refers to.  */
 static const arm_feature_set arm_ext_dsp =
   ARM_FEATURE_CORE_LOW (ARM_EXT_V5E | ARM_EXT_V5ExP | ARM_EXT_V6_DSP);
-static const arm_feature_set arm_ext_v8_2 =
-  ARM_FEATURE_CORE_HIGH (ARM_EXT2_V8_2A);
+#endif
+static const arm_feature_set arm_ext_ras =
+  ARM_FEATURE_CORE_HIGH (ARM_EXT2_RAS);
 /* FP16 instructions.  */
 static const arm_feature_set arm_ext_fp16 =
   ARM_FEATURE_CORE_HIGH (ARM_EXT2_FP16_INST);
@@ -233,7 +239,9 @@ static const arm_feature_set arm_arch_any = ARM_ANY;
 static const arm_feature_set arm_arch_full ATTRIBUTE_UNUSED = ARM_FEATURE (-1, -1, -1);
 static const arm_feature_set arm_arch_t2 = ARM_ARCH_THUMB2;
 static const arm_feature_set arm_arch_none = ARM_ARCH_NONE;
+#ifdef OBJ_ELF
 static const arm_feature_set arm_arch_v6m_only = ARM_ARCH_V6M_ONLY;
+#endif
 
 static const arm_feature_set arm_cext_iwmmxt2 =
   ARM_FEATURE_COPROC (ARM_CEXT_IWMMXT2);
@@ -263,10 +271,12 @@ static const arm_feature_set fpu_neon_ext_v1 =
   ARM_FEATURE_COPROC (FPU_NEON_EXT_V1);
 static const arm_feature_set fpu_vfp_v3_or_neon_ext =
   ARM_FEATURE_COPROC (FPU_NEON_EXT_V1 | FPU_VFP_EXT_V3);
+#ifdef OBJ_ELF
 static const arm_feature_set fpu_vfp_fp16 =
   ARM_FEATURE_COPROC (FPU_VFP_EXT_FP16);
 static const arm_feature_set fpu_neon_ext_fma =
   ARM_FEATURE_COPROC (FPU_NEON_EXT_FMA);
+#endif
 static const arm_feature_set fpu_vfp_ext_fma =
   ARM_FEATURE_COPROC (FPU_VFP_EXT_FMA);
 static const arm_feature_set fpu_vfp_ext_armv8 =
@@ -675,9 +685,11 @@ struct asm_opcode
 #define T2_SUBS_PC_LR  0xf3de8f00
 
 #define DATA_OP_SHIFT  21
+#define SBIT_SHIFT     20
 
 #define T2_OPCODE_MASK 0xfe1fffff
 #define T2_DATA_OP_SHIFT 21
+#define T2_SBIT_SHIFT   20
 
 #define A_COND_MASK         0xf0000000
 #define A_PUSH_POP_OP_MASK  0x0fff0000
@@ -1266,6 +1278,7 @@ arm_reg_alt_syntax (char **ccp, char *start, struct reg_entry *reg,
        if (*ccp != start && processor <= 15)
          return processor;
       }
+      /* Fall through.  */
 
     case REG_TYPE_MMXWC:
       /* WC includes WCG.  ??? I'm not sure this is true for all
@@ -2267,9 +2280,7 @@ create_register_alias (char * newname, char *p)
   nlen = strlen (newname);
 #endif
 
-  nbuf = xmalloc (nlen + 1);
-  memcpy (nbuf, newname, nlen);
-  nbuf[nlen] = '\0';
+  nbuf = xmemdup0 (newname, nlen);
 
   /* Create aliases under the new name as stated; an all-lowercase
      version of the new name; and an all-uppercase version of the new
@@ -2432,9 +2443,7 @@ create_neon_reg_alias (char *newname, char *p)
   namelen = strlen (newname);
 #endif
 
-  namebuf = xmalloc (namelen + 1);
-  strncpy (namebuf, newname, namelen);
-  namebuf[namelen] = '\0';
+  namebuf = xmemdup0 (newname, namelen);
 
   insert_neon_reg_alias (namebuf, basereg->number, basetype,
                         typeinfo.defined != 0 ? &typeinfo : NULL);
@@ -3288,6 +3297,7 @@ add_to_lit_pool (unsigned int nbytes)
                }
 
              pool->literals[entry] = inst.reloc.exp;
+             pool->literals[entry].X_op = O_constant;
              pool->literals[entry].X_add_number = 0;
              pool->literals[entry++].X_md = (PADDING_SLOT << 8) | 4;
              pool->next_free_entry += 1;
@@ -7419,6 +7429,21 @@ encode_arm_vfp_reg (int reg, enum vfp_reg_pos pos)
 static void
 encode_arm_shift (int i)
 {
+  /* register-shifted register.  */
+  if (inst.operands[i].immisreg)
+    {
+      int index;
+      for (index = 0; index <= i; ++index)
+       {
+         gas_assert (inst.operands[index].present);
+         if (inst.operands[index].isreg && inst.operands[index].reg == REG_PC)
+           as_warn (UNPRED_REG ("r15"));
+       }
+
+      if (inst.operands[i].imm == REG_PC)
+       as_warn (UNPRED_REG ("r15"));
+    }
+
   if (inst.operands[i].shift_kind == SHIFT_RRX)
     inst.instruction |= SHIFT_ROR << 5;
   else
@@ -8003,7 +8028,7 @@ move_or_literal_pool (int i, enum lit_type t, bfd_boolean mode_3)
                  return TRUE;
                }
            }
-         else if (t == CONST_VEC)
+         else if (t == CONST_VEC && ARM_CPU_HAS_FEATURE (cpu_variant, fpu_neon_ext_v1))
            {
              int op = 0;
              unsigned immbits = 0;
@@ -8684,6 +8709,14 @@ do_co_reg2c (void)
       constraint (Rn == REG_PC, BAD_PC);
     }
 
+  /* Only check the MRRC{2} variants.  */
+  if ((inst.instruction & 0x0FF00000) == 0x0C500000)
+    {
+       /* If Rd == Rn, error that the operation is
+         unpredictable (example MRRC p3,#1,r1,r1,c4).  */
+       constraint (Rd == Rn, BAD_OVERLAP);
+    }
+
   inst.instruction |= inst.operands[0].reg << 8;
   inst.instruction |= inst.operands[1].imm << 4;
   inst.instruction |= Rd << 12;
@@ -14383,6 +14416,11 @@ static void
 do_vfp_nsyn_push (void)
 {
   nsyn_insert_sp ();
+
+  constraint (inst.operands[1].imm < 1 || inst.operands[1].imm > 16,
+             _("register list must contain at least 1 and at most 16 "
+               "registers"));
+
   if (inst.operands[1].issingle)
     do_vfp_nsyn_opcode ("fstmdbs");
   else
@@ -14393,6 +14431,11 @@ static void
 do_vfp_nsyn_pop (void)
 {
   nsyn_insert_sp ();
+
+  constraint (inst.operands[1].imm < 1 || inst.operands[1].imm > 16,
+             _("register list must contain at least 1 and at most 16 "
+               "registers"));
+
   if (inst.operands[1].issingle)
     do_vfp_nsyn_opcode ("fldmias");
   else
@@ -17748,7 +17791,7 @@ opcode_lookup (char **str)
        case OT_odd_infix_unc:
          if (!unified_syntax)
            return 0;
-         /* else fall through */
+         /* Fall through.  */
 
        case OT_csuffix:
        case OT_csuffixF:
@@ -18229,6 +18272,13 @@ t32_insn_ok (arm_feature_set arch, const struct asm_opcode *opcode)
       && opcode->tencode == do_t_branch)
     return TRUE;
 
+  /* MOV accepts T1/T3 encodings under Baseline, T3 encoding is 32bit.  */
+  if (ARM_CPU_HAS_FEATURE (arch, arm_ext_v8m)
+      && opcode->tencode == do_t_mov_cmp
+      /* Make sure CMP instruction is not affected.  */
+      && opcode->aencode == do_mov)
+    return TRUE;
+
   /* Wide instruction variants of all instructions with narrow *and* wide
      variants become available with ARMv6t2.  Other opcodes are either
      narrow-only or wide-only and are thus available if OPCODE is valid.  */
@@ -18773,24 +18823,32 @@ static const struct asm_psr psrs[] =
 /* Table of V7M psr names.  */
 static const struct asm_psr v7m_psrs[] =
 {
-  {"apsr",       0 }, {"APSR",         0 },
-  {"iapsr",      1 }, {"IAPSR",        1 },
-  {"eapsr",      2 }, {"EAPSR",        2 },
-  {"psr",        3 }, {"PSR",          3 },
-  {"xpsr",       3 }, {"XPSR",         3 }, {"xPSR",     3 },
-  {"ipsr",       5 }, {"IPSR",         5 },
-  {"epsr",       6 }, {"EPSR",         6 },
-  {"iepsr",      7 }, {"IEPSR",        7 },
-  {"msp",        8 }, {"MSP",          8 }, {"msp_s",     8 }, {"MSP_S",     8 },
-  {"psp",        9 }, {"PSP",          9 }, {"psp_s",     9 }, {"PSP_S",     9 },
-  {"primask",    16}, {"PRIMASK",      16},
-  {"basepri",    17}, {"BASEPRI",      17},
-  {"basepri_max", 18}, {"BASEPRI_MAX", 18},
-  {"basepri_max", 18}, {"BASEPRI_MASK",        18}, /* Typo, preserved for backwards compatibility.  */
-  {"faultmask",          19}, {"FAULTMASK",    19},
-  {"control",    20}, {"CONTROL",      20},
-  {"msp_ns",   0x88}, {"MSP_NS",     0x88},
-  {"psp_ns",   0x89}, {"PSP_NS",     0x89}
+  {"apsr",        0x0 }, {"APSR",         0x0 },
+  {"iapsr",       0x1 }, {"IAPSR",        0x1 },
+  {"eapsr",       0x2 }, {"EAPSR",        0x2 },
+  {"psr",         0x3 }, {"PSR",          0x3 },
+  {"xpsr",        0x3 }, {"XPSR",         0x3 }, {"xPSR",        3 },
+  {"ipsr",        0x5 }, {"IPSR",         0x5 },
+  {"epsr",        0x6 }, {"EPSR",         0x6 },
+  {"iepsr",       0x7 }, {"IEPSR",        0x7 },
+  {"msp",         0x8 }, {"MSP",          0x8 },
+  {"psp",         0x9 }, {"PSP",          0x9 },
+  {"msplim",      0xa }, {"MSPLIM",       0xa },
+  {"psplim",      0xb }, {"PSPLIM",       0xb },
+  {"primask",     0x10}, {"PRIMASK",      0x10},
+  {"basepri",     0x11}, {"BASEPRI",      0x11},
+  {"basepri_max",  0x12}, {"BASEPRI_MAX",  0x12},
+  {"faultmask",           0x13}, {"FAULTMASK",    0x13},
+  {"control",     0x14}, {"CONTROL",      0x14},
+  {"msp_ns",      0x88}, {"MSP_NS",       0x88},
+  {"psp_ns",      0x89}, {"PSP_NS",       0x89},
+  {"msplim_ns",           0x8a}, {"MSPLIM_NS",    0x8a},
+  {"psplim_ns",           0x8b}, {"PSPLIM_NS",    0x8b},
+  {"primask_ns",   0x90}, {"PRIMASK_NS",   0x90},
+  {"basepri_ns",   0x91}, {"BASEPRI_NS",   0x91},
+  {"faultmask_ns", 0x93}, {"FAULTMASK_NS", 0x93},
+  {"control_ns",   0x94}, {"CONTROL_NS",   0x94},
+  {"sp_ns",       0x98}, {"SP_NS",        0x98 }
 };
 
 /* Table of all shift-in-operand names.         */
@@ -19716,9 +19774,9 @@ static const struct asm_opcode insns[] =
 
  /* ARMv8.2 RAS extension.  */
 #undef  ARM_VARIANT
-#define ARM_VARIANT   & arm_ext_v8_2
+#define ARM_VARIANT   & arm_ext_ras
 #undef  THUMB_VARIANT
-#define THUMB_VARIANT & arm_ext_v8_2
+#define THUMB_VARIANT & arm_ext_ras
  TUE ("esb", 320f010, f3af8010, 0, (), noargs,  noargs),
 
 #undef  ARM_VARIANT
@@ -21900,10 +21958,7 @@ start_unwind_section (const segT text_seg, int idx)
   const char * prefix;
   const char * prefix_once;
   const char * group_name;
-  size_t prefix_len;
-  size_t text_len;
   char * sec_name;
-  size_t sec_name_len;
   int type;
   int flags;
   int linkonce;
@@ -21932,13 +21987,7 @@ start_unwind_section (const segT text_seg, int idx)
       text_name += strlen (".gnu.linkonce.t.");
     }
 
-  prefix_len = strlen (prefix);
-  text_len = strlen (text_name);
-  sec_name_len = prefix_len + text_len;
-  sec_name = (char *) xmalloc (sec_name_len + 1);
-  memcpy (sec_name, prefix, prefix_len);
-  memcpy (sec_name + prefix_len, text_name, text_len);
-  sec_name[prefix_len + text_len] = '\0';
+  sec_name = concat (prefix, text_name, (char *) NULL);
 
   flags = SHF_ALLOC;
   linkonce = 0;
@@ -22733,6 +22782,23 @@ md_apply_fix (fixS *   fixP,
             changing the opcode.  */
          if (newimm == (unsigned int) FAIL)
            newimm = negate_data_op (&temp, value);
+         /* MOV accepts both ARM modified immediate (A1 encoding) and
+            UINT16 (A2 encoding) when possible, MOVW only accepts UINT16.
+            When disassembling, MOV is preferred when there is no encoding
+            overlap.  */
+         if (newimm == (unsigned int) FAIL
+             && ((temp >> DATA_OP_SHIFT) & 0xf) == OPCODE_MOV
+             && ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v6t2)
+             && !((temp >> SBIT_SHIFT) & 0x1)
+             && value >= 0 && value <= 0xffff)
+           {
+             /* Clear bits[23:20] to change encoding from A1 to A2.  */
+             temp &= 0xff0fffff;
+             /* Encoding high 4bits imm.  Code below will encode the remaining
+                low 12bits.  */
+             temp |= (value & 0x0000f000) << 4;
+             newimm = value & 0x00000fff;
+           }
        }
 
       if (newimm == (unsigned int) FAIL)
@@ -22818,6 +22884,7 @@ md_apply_fix (fixS *    fixP,
     case BFD_RELOC_ARM_OFFSET_IMM:
       if (!fixP->fx_done && seg->use_rela_p)
        value = 0;
+      /* Fall through.  */
 
     case BFD_RELOC_ARM_LITERAL:
       sign = value > 0;
@@ -23048,32 +23115,59 @@ md_apply_fix (fixS *  fixP,
       newval |= md_chars_to_number (buf+2, THUMB_SIZE);
 
       newimm = FAIL;
-      if (fixP->fx_r_type == BFD_RELOC_ARM_T32_IMMEDIATE
+      if ((fixP->fx_r_type == BFD_RELOC_ARM_T32_IMMEDIATE
+          /* ARMv8-M Baseline MOV will reach here, but it doesn't support
+             Thumb2 modified immediate encoding (T2).  */
+          && ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v6t2))
          || fixP->fx_r_type == BFD_RELOC_ARM_T32_ADD_IMM)
        {
          newimm = encode_thumb32_immediate (value);
          if (newimm == (unsigned int) FAIL)
            newimm = thumb32_negate_data_op (&newval, value);
        }
-      if (fixP->fx_r_type != BFD_RELOC_ARM_T32_IMMEDIATE
-         && newimm == (unsigned int) FAIL)
+      if (newimm == (unsigned int) FAIL)
        {
-         /* Turn add/sum into addw/subw.  */
-         if (fixP->fx_r_type == BFD_RELOC_ARM_T32_ADD_IMM)
-           newval = (newval & 0xfeffffff) | 0x02000000;
-         /* No flat 12-bit imm encoding for addsw/subsw.  */
-         if ((newval & 0x00100000) == 0)
+         if (fixP->fx_r_type != BFD_RELOC_ARM_T32_IMMEDIATE)
            {
-             /* 12 bit immediate for addw/subw.  */
-             if (value < 0)
+             /* Turn add/sum into addw/subw.  */
+             if (fixP->fx_r_type == BFD_RELOC_ARM_T32_ADD_IMM)
+               newval = (newval & 0xfeffffff) | 0x02000000;
+             /* No flat 12-bit imm encoding for addsw/subsw.  */
+             if ((newval & 0x00100000) == 0)
                {
-                 value = -value;
-                 newval ^= 0x00a00000;
+                 /* 12 bit immediate for addw/subw.  */
+                 if (value < 0)
+                   {
+                     value = -value;
+                     newval ^= 0x00a00000;
+                   }
+                 if (value > 0xfff)
+                   newimm = (unsigned int) FAIL;
+                 else
+                   newimm = value;
+               }
+           }
+         else
+           {
+             /* MOV accepts both Thumb2 modified immediate (T2 encoding) and
+                UINT16 (T3 encoding), MOVW only accepts UINT16.  When
+                disassembling, MOV is preferred when there is no encoding
+                overlap.
+                NOTE: MOV is using ORR opcode under Thumb 2 mode.  */
+             if (((newval >> T2_DATA_OP_SHIFT) & 0xf) == T2_OPCODE_ORR
+                 && ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v6t2_v8m)
+                 && !((newval >> T2_SBIT_SHIFT) & 0x1)
+                 && value >= 0 && value <=0xffff)
+               {
+                 /* Toggle bit[25] to change encoding from T2 to T3.  */
+                 newval ^= 1 << 25;
+                 /* Clear bits[19:16].  */
+                 newval &= 0xfff0ffff;
+                 /* Encoding high 4bits imm.  Code below will encode the
+                    remaining low 12bits.  */
+                 newval |= (value & 0x0000f000) << 4;
+                 newimm = value & 0x00000fff;
                }
-             if (value > 0xfff)
-               newimm = (unsigned int) FAIL;
-             else
-               newimm = value;
            }
        }
 
@@ -23176,6 +23270,7 @@ md_apply_fix (fixS *    fixP,
          newval = md_chars_to_number (buf, INSN_SIZE);
          fixP->fx_done = 0;
        }
+      /* Fall through.  */
 
     case BFD_RELOC_ARM_PLT32:
 #endif
@@ -24068,6 +24163,7 @@ tc_gen_reloc (asection *section, fixS *fixp)
          code = BFD_RELOC_8_PCREL;
          break;
        }
+      /* Fall through.  */
 
     case BFD_RELOC_16:
       if (fixp->fx_pcrel)
@@ -24075,6 +24171,7 @@ tc_gen_reloc (asection *section, fixS *fixp)
          code = BFD_RELOC_16_PCREL;
          break;
        }
+      /* Fall through.  */
 
     case BFD_RELOC_32:
       if (fixp->fx_pcrel)
@@ -24082,6 +24179,7 @@ tc_gen_reloc (asection *section, fixS *fixp)
          code = BFD_RELOC_32_PCREL;
          break;
        }
+      /* Fall through.  */
 
     case BFD_RELOC_ARM_MOVW:
       if (fixp->fx_pcrel)
@@ -24089,6 +24187,7 @@ tc_gen_reloc (asection *section, fixS *fixp)
          code = BFD_RELOC_ARM_MOVW_PCREL;
          break;
        }
+      /* Fall through.  */
 
     case BFD_RELOC_ARM_MOVT:
       if (fixp->fx_pcrel)
@@ -24096,6 +24195,7 @@ tc_gen_reloc (asection *section, fixS *fixp)
          code = BFD_RELOC_ARM_MOVT_PCREL;
          break;
        }
+      /* Fall through.  */
 
     case BFD_RELOC_ARM_THUMB_MOVW:
       if (fixp->fx_pcrel)
@@ -24103,6 +24203,7 @@ tc_gen_reloc (asection *section, fixS *fixp)
          code = BFD_RELOC_ARM_THUMB_MOVW_PCREL;
          break;
        }
+      /* Fall through.  */
 
     case BFD_RELOC_ARM_THUMB_MOVT:
       if (fixp->fx_pcrel)
@@ -24110,6 +24211,7 @@ tc_gen_reloc (asection *section, fixS *fixp)
          code = BFD_RELOC_ARM_THUMB_MOVT_PCREL;
          break;
        }
+      /* Fall through.  */
 
     case BFD_RELOC_NONE:
     case BFD_RELOC_ARM_PCREL_BRANCH:
@@ -25334,16 +25436,18 @@ static const struct arm_cpu_option_table arm_cpus[] =
                                                                  "Cortex-A15"),
   ARM_CPU_OPT ("cortex-a17",   ARM_ARCH_V7VE,   FPU_ARCH_NEON_VFP_V4,
                                                                  "Cortex-A17"),
-  ARM_CPU_OPT ("cortex-a32",    ARM_ARCH_V8A,    FPU_ARCH_CRYPTO_NEON_VFP_ARMV8,
+  ARM_CPU_OPT ("cortex-a32",    ARM_ARCH_V8A_CRC, FPU_ARCH_CRYPTO_NEON_VFP_ARMV8,
                                                                  "Cortex-A32"),
-  ARM_CPU_OPT ("cortex-a35",    ARM_ARCH_V8A,    FPU_ARCH_CRYPTO_NEON_VFP_ARMV8,
+  ARM_CPU_OPT ("cortex-a35",    ARM_ARCH_V8A_CRC, FPU_ARCH_CRYPTO_NEON_VFP_ARMV8,
                                                                  "Cortex-A35"),
-  ARM_CPU_OPT ("cortex-a53",    ARM_ARCH_V8A,    FPU_ARCH_CRYPTO_NEON_VFP_ARMV8,
+  ARM_CPU_OPT ("cortex-a53",    ARM_ARCH_V8A_CRC, FPU_ARCH_CRYPTO_NEON_VFP_ARMV8,
                                                                  "Cortex-A53"),
-  ARM_CPU_OPT ("cortex-a57",    ARM_ARCH_V8A,    FPU_ARCH_CRYPTO_NEON_VFP_ARMV8,
+  ARM_CPU_OPT ("cortex-a57",    ARM_ARCH_V8A_CRC, FPU_ARCH_CRYPTO_NEON_VFP_ARMV8,
                                                                  "Cortex-A57"),
-  ARM_CPU_OPT ("cortex-a72",    ARM_ARCH_V8A,    FPU_ARCH_CRYPTO_NEON_VFP_ARMV8,
+  ARM_CPU_OPT ("cortex-a72",    ARM_ARCH_V8A_CRC, FPU_ARCH_CRYPTO_NEON_VFP_ARMV8,
                                                                  "Cortex-A72"),
+  ARM_CPU_OPT ("cortex-a73",    ARM_ARCH_V8A_CRC, FPU_ARCH_CRYPTO_NEON_VFP_ARMV8,
+                                                                 "Cortex-A73"),
   ARM_CPU_OPT ("cortex-r4",    ARM_ARCH_V7R,    FPU_NONE,        "Cortex-R4"),
   ARM_CPU_OPT ("cortex-r4f",   ARM_ARCH_V7R,    FPU_ARCH_VFP_V3D16,
                                                                  "Cortex-R4F"),
@@ -25355,16 +25459,23 @@ static const struct arm_cpu_option_table arm_cpus[] =
   ARM_CPU_OPT ("cortex-r8",    ARM_ARCH_V7R_IDIV,
                                                 FPU_ARCH_VFP_V3D16,
                                                                  "Cortex-R8"),
+  ARM_CPU_OPT ("cortex-m33",   ARM_ARCH_V8M_MAIN_DSP,
+                                                FPU_NONE,        "Cortex-M33"),
+  ARM_CPU_OPT ("cortex-m23",   ARM_ARCH_V8M_BASE,
+                                                FPU_NONE,        "Cortex-M23"),
   ARM_CPU_OPT ("cortex-m7",    ARM_ARCH_V7EM,   FPU_NONE,        "Cortex-M7"),
   ARM_CPU_OPT ("cortex-m4",    ARM_ARCH_V7EM,   FPU_NONE,        "Cortex-M4"),
   ARM_CPU_OPT ("cortex-m3",    ARM_ARCH_V7M,    FPU_NONE,        "Cortex-M3"),
   ARM_CPU_OPT ("cortex-m1",    ARM_ARCH_V6SM,   FPU_NONE,        "Cortex-M1"),
   ARM_CPU_OPT ("cortex-m0",    ARM_ARCH_V6SM,   FPU_NONE,        "Cortex-M0"),
   ARM_CPU_OPT ("cortex-m0plus",        ARM_ARCH_V6SM,   FPU_NONE,        "Cortex-M0+"),
-  ARM_CPU_OPT ("exynos-m1",    ARM_ARCH_V8A,    FPU_ARCH_CRYPTO_NEON_VFP_ARMV8,
+  ARM_CPU_OPT ("exynos-m1",    ARM_ARCH_V8A_CRC, FPU_ARCH_CRYPTO_NEON_VFP_ARMV8,
                                                                  "Samsung " \
                                                                  "Exynos M1"),
-  ARM_CPU_OPT ("qdf24xx",      ARM_ARCH_V8A,    FPU_ARCH_CRYPTO_NEON_VFP_ARMV8,
+  ARM_CPU_OPT ("falkor",       ARM_ARCH_V8A_CRC, FPU_ARCH_CRYPTO_NEON_VFP_ARMV8,
+                                                                 "Qualcomm "
+                                                                 "Falkor"),
+  ARM_CPU_OPT ("qdf24xx",      ARM_ARCH_V8A_CRC, FPU_ARCH_CRYPTO_NEON_VFP_ARMV8,
                                                                  "Qualcomm "
                                                                  "QDF24XX"),
 
@@ -25389,7 +25500,7 @@ static const struct arm_cpu_option_table arm_cpus[] =
   /* APM X-Gene family.  */
   ARM_CPU_OPT ("xgene1",        ARM_ARCH_V8A,    FPU_ARCH_CRYPTO_NEON_VFP_ARMV8,
                                                                  "APM X-Gene 1"),
-  ARM_CPU_OPT ("xgene2",        ARM_ARCH_V8A,    FPU_ARCH_CRYPTO_NEON_VFP_ARMV8,
+  ARM_CPU_OPT ("xgene2",        ARM_ARCH_V8A_CRC, FPU_ARCH_CRYPTO_NEON_VFP_ARMV8,
                                                                  "APM X-Gene 2"),
 
   { NULL, 0, ARM_ARCH_NONE, ARM_ARCH_NONE, NULL }
@@ -25518,6 +25629,9 @@ static const struct arm_option_extension_value_table arm_extensions[] =
   ARM_EXT_OPT ("pan",  ARM_FEATURE_CORE_HIGH (ARM_EXT2_PAN),
                        ARM_FEATURE (ARM_EXT_V8, ARM_EXT2_PAN, 0),
                        ARM_FEATURE_CORE_LOW (ARM_EXT_V8)),
+  ARM_EXT_OPT ("ras",  ARM_FEATURE_CORE_HIGH (ARM_EXT2_RAS),
+                       ARM_FEATURE (ARM_EXT_V8, ARM_EXT2_RAS, 0),
+                       ARM_FEATURE_CORE_LOW (ARM_EXT_V8)),
   ARM_EXT_OPT ("rdma",  FPU_ARCH_NEON_VFP_ARMV8_1,
                        ARM_FEATURE_COPROC (FPU_NEON_ARMV8 | FPU_NEON_EXT_RDMA),
                        ARM_FEATURE_CORE_LOW (ARM_EXT_V8)),
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