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* gas/config/tc-arm.c (do_t_bkpt_hlt1): New function.

Browse source 
(do_t_hlt): New function.
	(do_t_bkpt): Use do_t_bkpt_hlt1.
	(insns): Add HLT.
	* gas/testsuite/gas/arm/armv8-a-bad.l: Update for HLT.
	* gas/testsuite/gas/arm/armv8-a-bad.s: Likewise.
	* gas/testsuite/gas/arm/armv8-a.d: Likewise.
	* gas/testsuite/gas/arm/armv8-a.s: Likewise.
	* opcodes/arm-dis.c (arm_opcodes): Add HLT.
	(thumb_opcodes): Likewise.
This commit is contained in:
Matthew Gretton-Dann 2012-08-24 08:02:51 +00:00
parent b79f7053dd
commit 8884b7208b
9 changed files with 69 additions and 3 deletions
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7
gas/ChangeLog
View file

@ -1,3 +1,10 @@
2012-08-24 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
* config/tc-arm.c (do_t_bkpt_hlt1): New function.
(do_t_hlt): New function.
(do_t_bkpt): Use do_t_bkpt_hlt1.
(insns): Add HLT.
2012-08-24 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
* config/tc-arm.c (insns): Add DCPS instruction.

24
gas/config/tc-arm.c
View file

@ -10198,18 +10198,34 @@ do_t_branch (void)
inst.reloc.pc_rel = 1;
}
/* Actually do the work for Thumb state bkpt and hlt. The only difference
between the two is the maximum immediate allowed - which is passed in
RANGE. */
static void
do_t_bkpt (void)
do_t_bkpt_hlt1 (int range)
{
constraint (inst.cond != COND_ALWAYS,
_("instruction is always unconditional"));
if (inst.operands[0].present)
{
constraint (inst.operands[0].imm > 255,
constraint (inst.operands[0].imm > range,
_("immediate value out of range"));
inst.instruction |= inst.operands[0].imm;
set_it_insn_type (NEUTRAL_IT_INSN);
}
set_it_insn_type (NEUTRAL_IT_INSN);
}
static void
do_t_hlt (void)
{
do_t_bkpt_hlt1 (63);
}
static void
do_t_bkpt (void)
{
do_t_bkpt_hlt1 (255);
}
static void
@ -17974,7 +17990,9 @@ static const struct asm_opcode insns[] =
#define THUMB_VARIANT & arm_ext_v8
tCE("sevl", 320f005, _sevl, 0, (), noargs, t_hint),
TUE("hlt", 1000070, ba80, 1, (oIffffb), bkpt, t_hlt),
/* ARMv8 T32 only. */
#undef ARM_VARIANT
#define ARM_VARIANT NULL
TUF("dcps1", 0, f78f8001, 0, (), noargs, noargs),

7
gas/testsuite/ChangeLog
View file

@ -1,3 +1,10 @@
2012-08-24 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
* gas/arm/armv8-a-bad.l: Update for HLT.
* gas/arm/armv8-a-bad.s: Likewise.
* gas/arm/armv8-a.d: Likewise.
* gas/arm/armv8-a.s: Likewise.
2012-08-24 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
* gas/arm/armv8-a.d: Update.

5
gas/testsuite/gas/arm/armv8-a-bad.l
View file

@ -7,3 +7,8 @@
.*:14: Warning: This coprocessor register access is deprecated in ARMv8
.*:17: Warning: setend use is deprecated for ARMv8
.*:20: Warning: setend use is deprecated for ARMv8
.*:24: Error: immediate value out of range -- `hlt 0x10000'
.*:25: Error: instruction cannot be conditional -- `hltne 0x1'
.*:29: Error: immediate value out of range -- `hlt 64'
.*:31: Warning: it blocks containing 16-bit Thumb intsructions of the following class are deprecated in ARMv8: Miscellaneous 16-bit instructions
.*:31: Error: instruction is always unconditional -- `hltne 0'

11
gas/testsuite/gas/arm/armv8-a-bad.s
View file

@ -18,3 +18,14 @@
.thumb
setend le
// HLT A32
.arm
hlt 0x10000
hltne 0x1
// HLT T32
.thumb
hlt 64
it ne
hltne 0

5
gas/testsuite/gas/arm/armv8-a.d
View file

@ -5,9 +5,14 @@
Disassembly of section .text:
0[0-9a-f]+ <[^>]+> e320f005 sevl
0[0-9a-f]+ <[^>]+> e1000070 hlt 0x0000
0[0-9a-f]+ <[^>]+> e100007f hlt 0x000f
0[0-9a-f]+ <[^>]+> e10fff70 hlt 0xfff0
0[0-9a-f]+ <[^>]+> bf50 sevl
0[0-9a-f]+ <[^>]+> bf50 sevl
0[0-9a-f]+ <[^>]+> f3af 8005 sevl.w
0[0-9a-f]+ <[^>]+> f78f 8001 dcps1
0[0-9a-f]+ <[^>]+> f78f 8002 dcps2
0[0-9a-f]+ <[^>]+> f78f 8003 dcps3
0[0-9a-f]+ <[^>]+> ba80 hlt 0x0000
0[0-9a-f]+ <[^>]+> babf hlt 0x003f

5
gas/testsuite/gas/arm/armv8-a.s
View file

@ -5,6 +5,9 @@
.arm
foo:
sevl
hlt 0x0
hlt 0xf
hlt 0xfff0
.thumb
.thumb_func
@ -15,3 +18,5 @@ bar:
dcps1
dcps2
dcps3
hlt 0
hlt 63

5
opcodes/ChangeLog
View file

@ -1,3 +1,8 @@
2012-08-24 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
* arm-dis.c (arm_opcodes): Add HLT.
(thumb_opcodes): Likewise.
2012-08-24 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
* arm-dis.c (thumb32_opcodes): Add DCPS instruction.

3
opcodes/arm-dis.c
View file

@ -851,6 +851,8 @@ static const struct opcode32 arm_opcodes[] =
/* V8 instructions. */
{ARM_EXT_V8, 0x0320f005, 0x0fffffff, "sevl"},
{ARM_EXT_V8, 0xe1000070, 0xfff000f0, "hlt\t0x%16-19X%12-15X%8-11X%0-3X"},
/* Virtualization Extension instructions. */
{ARM_EXT_VIRT, 0x0160006e, 0x0fffffff, "eret%c"},
@ -1249,6 +1251,7 @@ static const struct opcode16 thumb_opcodes[] =
/* ARM V8 instructions. */
{ARM_EXT_V8, 0xbf50, 0xffff, "sevl%c"},
{ARM_EXT_V8, 0xba80, 0xffc0, "hlt\t%0-5x"},
/* ARM V6K no-argument instructions. */
{ARM_EXT_V6K, 0xbf00, 0xffff, "nop%c"},