aboutsummaryrefslogtreecommitdiff
path: root/opcodes/aarch64-opc.c
diff options
context:
space:
mode:
Diffstat (limited to 'opcodes/aarch64-opc.c')
-rw-r--r--opcodes/aarch64-opc.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/opcodes/aarch64-opc.c b/opcodes/aarch64-opc.c
index ed75a9a..f3c436c 100644
--- a/opcodes/aarch64-opc.c
+++ b/opcodes/aarch64-opc.c
@@ -3630,6 +3630,7 @@ aarch64_print_operand (char *buf, size_t size, bfd_vma pc,
case AARCH64_OPND_SYSREG_DC:
case AARCH64_OPND_SYSREG_IC:
case AARCH64_OPND_SYSREG_TLBI:
+ case AARCH64_OPND_SYSREG_SR:
snprintf (buf, size, "%s", opnd->sysins_op->name);
break;
@@ -4458,6 +4459,17 @@ const aarch64_sys_ins_reg aarch64_sys_regs_tlbi[] =
{ 0, CPENS(0,0,0,0), 0 }
};
+const aarch64_sys_ins_reg aarch64_sys_regs_sr[] =
+{
+ /* RCTX is somewhat unique in a way that it has different values
+ (op2) based on the instruction in which it is used (cfp/dvp/cpp).
+ Thus op2 is masked out and instead encoded directly in the
+ aarch64_opcode_table entries for the respective instructions. */
+ { "rctx", CPENS(3,C7,C3,0), F_HASXT | F_ARCHEXT | F_REG_WRITE}, /* WO */
+
+ { 0, CPENS(0,0,0,0), 0 }
+};
+
bfd_boolean
aarch64_sys_ins_reg_has_xt (const aarch64_sys_ins_reg *sys_ins_reg)
{
@@ -4482,6 +4494,11 @@ aarch64_sys_ins_reg_supported_p (const aarch64_feature_set features,
&& !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2))
return FALSE;
+ /* CFP/DVP/CPP RCTX : Value are from aarch64_sys_regs_sr. */
+ if (reg->value == CPENS (3, C7, C3, 0)
+ && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_PREDRES))
+ return FALSE;
+
return TRUE;
}