OpenE2K
/
binutils-gdb
12
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[ARM] Add support for ARMv8.1 PAN extension

This commit is contained in:
Matthew Wahab 2015-06-02 12:30:38 +01:00 committed by Jiong Wang
parent 1af1dd51db
commit ddfded2f7b
10 changed files with 97 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
gas/ChangeLog
View File

@ -1,3 +1,13 @@
2015-06-02 Matthew Wahab <matthew.wahab@arm.com>
* config/tc-arm.c (arm_ext_pan): New.
(do_setpan): New, encode an ARM SETPAN instruction.
(do_t_setpan): New, encode a Thumb SETPAN instruction.
(insns): Add "setpan".
(arm_extensions): Add "pan".
* doc/c-arm.texi (ARM Options): Add "pan" to list of -mcpu processor
extensions.
2015-06-02 Matthew Wahab <matthew.wahab@arm.com>
* config/tc-aarch64.c (aarch64_features): Add "rdma".

29
gas/config/tc-arm.c
View File

@ -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)),

1
gas/doc/c-arm.texi
View File

@ -179,6 +179,7 @@ architectures),
@code{simd} (Advanced SIMD Extensions for v8-A architecture, implies @code{fp}),
@code{virt} (Virtualization Extensions for v7-A architecture, implies
@code{idiv}),
@code{pan} (Priviliged Access Never Extensions for v8-A architecture)
and
@code{xscale}.

23
gas/testsuite/ChangeLog
View File

@ -1,20 +1,25 @@
2015-06-02 Matthew Wahab <matthew.wahab@arm.com>
* rdma-directive.d: New.
* rdma.d: New.
* rdma.s: New.
* gas/arm/armv8-a+pan.d: New.
* gas/arm/armv8-a+pan.s: New.
2015-06-02 Matthew Wahab <matthew.wahab@arm.com>
* lor-directive.d: New.
* lor.d: New.
* lor.s: New
* gas/aarch64/rdma-directive.d: New.
* gas/aarch64/rdma.d: New.
* gas/aarch64/rdma.s: New.
2015-06-02 Matthew Wahab <matthew.wahab@arm.com>
* gas/aarch64/lor-directive.d: New.
* gas/aarch64/lor.d: New.
* gas/aarch64/lor.s: New
2015-06-01 Matthew Wahab <matthew.wahab@arm.com>
* pan-directive.d: New.
* pan.d: New.
* pan.s: New
* gas/aarch64/pan-directive.d: New.
* gas/aarch64/pan.d: New.
* gas/aarch64/pan.s: New
2015-06-01 Jiong Wang <jiong.wang@arm.com>

11
gas/testsuite/gas/arm/armv8-a+pan.d Normal file
View File

@ -0,0 +1,11 @@
#name: Valid v8-a+pan
#objdump: -dr --prefix-addresses --show-raw-insn
.*: +file format .*arm.*
Disassembly of section .text:
0[0-9a-f]+ <.*> f1100000 setpan #0
0[0-9a-f]+ <.*> f1100200 setpan #1
0[0-9a-f]+ <.*> b610 setpan #0
0[0-9a-f]+ <.*> b618 setpan #1

14
gas/testsuite/gas/arm/armv8-a+pan.s Normal file
View File

@ -0,0 +1,14 @@
.syntax unified
.arch armv8-a
.arch_extension pan
A1:
.arm
setpan #0
setpan #1
T1:
.thumb
setpan #0
setpan #1

5
include/opcode/ChangeLog
View File

@ -1,3 +1,8 @@
2015-06-02 Matthew Wahab <matthew.wahab@arm.com>
* arm.h (ARM_EXT2_PAN): New.
(ARM_FEATURE_CORE_HIGH): New.
2015-06-02 Matthew Wahab <matthew.wahab@arm.com>
* arm.h (ARM_FEATURE_ALL): New.

3
include/opcode/arm.h
View File

@ -57,6 +57,8 @@
state. */
#define ARM_EXT_VIRT 0x80000000 /* Virtualization extensions. */
#define ARM_EXT2_PAN 0x00000001 /* PAN extension. */
/* Co-processor space extensions. */
#define ARM_CEXT_XSCALE 0x00000001 /* Allow MIA etc. */
#define ARM_CEXT_MAVERICK 0x00000002 /* Use Cirrus/DSP coprocessor. */
@ -321,5 +323,6 @@ typedef struct
#define ARM_FEATURE_LOW(core, coproc) {{(core), 0}, (coproc)}
#define ARM_FEATURE_CORE_LOW(core) {{(core), 0}, 0}
#define ARM_FEATURE_CORE_HIGH(core) {{0, (core)}, 0}
#define ARM_FEATURE_COPROC(coproc) {{0, 0}, (coproc)}
#define ARM_FEATURE(core1, core2, coproc) {{(core1), (core2)}, (coproc)}

5
opcodes/ChangeLog
View File

@ -1,3 +1,8 @@
2015-06-02 Matthew Wahab <matthew.wahab@arm.com>
* arm-dis.c (arm_opcodes): Add "setpan".
(thumb_opcodes): Add "setpan".
2015-06-02 Matthew Wahab <matthew.wahab@arm.com>
* arm-dis.c (select_arm_features): Rework to avoid used of redefined

5
opcodes/arm-dis.c
View File

@ -1602,6 +1602,10 @@ static const struct opcode32 arm_opcodes[] =
{ARM_FEATURE_COPROC (CRC_EXT_ARMV8),
0xe1400240, 0xfff00ff0, "crc32cw\t%12-15R, %16-19R, %0-3R"},
/* Privileged Access Never extension instructions. */
{ARM_FEATURE_CORE_HIGH (ARM_EXT2_PAN),
0xf1100000, 0xfffffdff, "setpan\t#%9-9d"},
/* Virtualization Extension instructions. */
{ARM_FEATURE_CORE_LOW (ARM_EXT_VIRT), 0x0160006e, 0x0fffffff, "eret%c"},
{ARM_FEATURE_CORE_LOW (ARM_EXT_VIRT), 0x01400070, 0x0ff000f0, "hvc%c\t%e"},
@ -2293,6 +2297,7 @@ static const struct opcode16 thumb_opcodes[] =
/* ARM V8 instructions. */
{ARM_FEATURE_CORE_LOW (ARM_EXT_V8), 0xbf50, 0xffff, "sevl%c"},
{ARM_FEATURE_CORE_LOW (ARM_EXT_V8), 0xba80, 0xffc0, "hlt\t%0-5x"},
{ARM_FEATURE_CORE_HIGH (ARM_EXT2_PAN), 0xb610, 0xfff7, "setpan\t#%3-3d"},
/* ARM V6K no-argument instructions. */
{ARM_FEATURE_CORE_LOW (ARM_EXT_V6K), 0xbf00, 0xffff, "nop%c"},