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| author | Matthew Wahab <matthew.wahab@arm.com> | 2015-06-02 12:30:38 +0100 |
|---|---|---|
| committer | Jiong Wang <jiong.wang@arm.com> | 2015-06-02 12:30:38 +0100 |
| commit | ddfded2f7bba485d6c967b502337a72310f24913 (patch) | |
| tree | df248162b8426a8e6d86559f1ac1cc4287cf4fea /gas/config | |
| parent | 1af1dd51db991700c0e66b35d777a44e6953bbd2 (diff) | |
| download | gdb-ddfded2f7bba485d6c967b502337a72310f24913.zip gdb-ddfded2f7bba485d6c967b502337a72310f24913.tar.gz gdb-ddfded2f7bba485d6c967b502337a72310f24913.tar.bz2 | |
[ARM] Add support for ARMv8.1 PAN extension
Diffstat (limited to 'gas/config')
| -rw-r--r-- | gas/config/tc-arm.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c index 683774f..ece5ebc 100644 --- a/gas/config/tc-arm.c +++ b/gas/config/tc-arm.c @@ -207,6 +207,7 @@ static const arm_feature_set arm_ext_sec = ARM_FEATURE_CORE_LOW (ARM_EXT_SEC); static const arm_feature_set arm_ext_os = ARM_FEATURE_CORE_LOW (ARM_EXT_OS); static const arm_feature_set arm_ext_adiv = ARM_FEATURE_CORE_LOW (ARM_EXT_ADIV); static const arm_feature_set arm_ext_virt = ARM_FEATURE_CORE_LOW (ARM_EXT_VIRT); +static const arm_feature_set arm_ext_pan = ARM_FEATURE_CORE_HIGH (ARM_EXT2_PAN); static const arm_feature_set arm_arch_any = ARM_ANY; static const arm_feature_set arm_arch_full = ARM_FEATURE (-1, -1, -1); @@ -9181,6 +9182,24 @@ do_swi (void) inst.reloc.pc_rel = 0; } +static void +do_setpan (void) +{ + constraint (!ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_pan), + _("selected processor does not support SETPAN instruction")); + + inst.instruction |= ((inst.operands[0].imm & 1) << 9); +} + +static void +do_t_setpan (void) +{ + constraint (!ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_pan), + _("selected processor does not support SETPAN instruction")); + + inst.instruction |= (inst.operands[0].imm << 3); +} + /* ARM V5E (El Segundo) signed-multiply-accumulate (argument parse) SMLAxy{cond} Rd,Rm,Rs,Rn SMLAWy{cond} Rd,Rm,Rs,Rn @@ -18884,6 +18903,13 @@ static const struct asm_opcode insns[] = TCE("hvc", 1400070, f7e08000, 1, (EXPi), hvc, t_hvc), TCE("eret", 160006e, f3de8f00, 0, (), noargs, noargs), +#undef ARM_VARIANT +#define ARM_VARIANT & arm_ext_pan +#undef THUMB_VARIANT +#define THUMB_VARIANT & arm_ext_pan + + TUF("setpan", 1100000, b610, 1, (I7), setpan, t_setpan), + #undef ARM_VARIANT #define ARM_VARIANT & arm_ext_v6t2 #undef THUMB_VARIANT @@ -24662,6 +24688,9 @@ static const struct arm_option_extension_value_table arm_extensions[] = ARM_EXT_OPT ("os", ARM_FEATURE_CORE_LOW (ARM_EXT_OS), ARM_FEATURE_CORE_LOW (ARM_EXT_OS), ARM_FEATURE_CORE_LOW (ARM_EXT_V6M)), + 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 ("sec", ARM_FEATURE_CORE_LOW (ARM_EXT_SEC), ARM_FEATURE_CORE_LOW (ARM_EXT_SEC), ARM_FEATURE_CORE_LOW (ARM_EXT_V6K | ARM_EXT_V7A)), |