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* microblaze-opc.h: Define new instruction type INST_TYPE_IMM5,
	update OPCODE_MASK_H13S, add OPCODE_MASK_HN, define MIN_IMM5 / MAX_IMM5,
	and increase MAX_OPCODES.
	(op_code_struct):  add mbar and sleep
	* microblaze-opcm.h (microblaze_instr): add mbar
	Define IMM_MBAR and IMM5_MBAR_MASK
	* microblaze-dis.c: Add get_field_imm5_mbar
	(print_insn_microblaze): Add support for INST_TYPE_IMM5 and INST_TYPE_NONE

gas/
	* config/tc-microblaze.c (md_assemble): Add support for INST_TYPE_IMM5

gas/testsuite/
	* gas/microblaze/allinsn.s: Add mbar and sleep
	* gas/microblaze/allinsn.d: Likewise
This commit is contained in:
Michael Eager 2012-11-14 17:05:24 +00:00
parent ed8ec0ec78
commit d3da77419a
9 changed files with 87 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
gas/ChangeLog
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@ -1,3 +1,7 @@
2012-11-14 David Holsgrove <david.holsgrove@xilinx.com>
* config/tc-microblaze.c (md_assemble): Add support for INST_TYPE_IMM5
2012-11-14 Ulrich Weigand <uweigand@de.ibm.com>
* config/tc-ppc.c (md_apply_fix): Leave field zero when emitting

18
gas/config/tc-microblaze.c
View File

@ -1605,6 +1605,24 @@ md_assemble (char * str)
output = frag_more (isize);
break;
case INST_TYPE_IMM5:
if (strcmp(op_end, ""))
op_end = parse_imm (op_end + 1, & exp, MIN_IMM5, MAX_IMM5);
else
as_fatal(_("Error in statement syntax"));
if (exp.X_op != O_constant) {
as_warn(_("Symbol used as immediate for mbar instruction"));
} else {
output = frag_more (isize);
immed = exp.X_add_number;
}
if (immed != (immed % 32)) {
as_warn(_("Immediate value for mbar > 32. using <value %% 32>"));
immed = immed % 32;
}
inst |= (immed << IMM_MBAR);
break;
default:
as_fatal (_("unimplemented opcode \"%s\""), name);
}

7
gas/testsuite/ChangeLog
View File

@ -1,4 +1,9 @@
2012-11-08 David Holsgrove <david.holsgrove@xilinx.com>
2012-11-14 David Holsgrove <david.holsgrove@xilinx.com>
* gas/microblaze/allinsn.s: Add mbar and sleep
* gas/microblaze/allinsn.d: Likewise
2012-11-14 David Holsgrove <david.holsgrove@xilinx.com>
* gas/microblaze/allinsn.s: Add clz insn
* gas/microblaze/allinsn.d: Likewise

6
gas/testsuite/gas/microblaze/allinsn.d
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@ -25,3 +25,9 @@ Disassembly of section .text:
00000018 <clz>:
18: 900000e0 clz r0, r0
0000001c <mbar>:
1c: b8420004 mbar 2
00000020 <sleep>:
20: ba020004 sleep

8
gas/testsuite/gas/microblaze/allinsn.s
View File

@ -28,4 +28,12 @@ swr:
.global clz
clz:
clz r0,r0
.text
.global mbar
mbar:
mbar 2
.text
.global sleep
sleep:
sleep

11
opcodes/ChangeLog
View File

@ -1,3 +1,14 @@
2012-11-14 David Holsgrove <david.holsgrove@xilinx.com>
* microblaze-opc.h: Define new instruction type INST_TYPE_IMM5,
update OPCODE_MASK_H13S, add OPCODE_MASK_HN, define MIN_IMM5 / MAX_IMM5,
and increase MAX_OPCODES.
(op_code_struct): add mbar and sleep
* microblaze-opcm.h (microblaze_instr): add mbar
Define IMM_MBAR and IMM5_MBAR_MASK
* microblaze-dis.c: Add get_field_imm5_mbar
(print_insn_microblaze): Add support for INST_TYPE_IMM5 and INST_TYPE_NONE
2012-11-14 Edgar E. Iglesias <edgar.iglesias@gmail.com>
* microblaze-opc.h: Increase MAX_OPCODES (op_code_struct): add clz insn

16
opcodes/microblaze-dis.c
View File

@ -64,6 +64,15 @@ get_field_imm5 (long instr)
return (strdup (tmpstr));
}
static char *
get_field_imm5_mbar (long instr)
{
char tmpstr[25];
sprintf(tmpstr, "%d", (short)((instr & IMM5_MBAR_MASK) >> IMM_MBAR));
return(strdup(tmpstr));
}
static char *
get_field_rfsl (long instr)
{
@ -374,6 +383,13 @@ print_insn_microblaze (bfd_vma memaddr, struct disassemble_info * info)
case INST_TYPE_RD_IMM15:
print_func (stream, "\t%s, %s", get_field_rd (inst), get_field_imm15 (inst));
break;
/* For mbar insn. */
case INST_TYPE_IMM5:
print_func (stream, "\t%s", get_field_imm5_mbar (inst));
break;
/* For mbar 16 or sleep insn. */
case INST_TYPE_NONE:
break;
/* For tuqula instruction */
case INST_TYPE_RD:
print_func (stream, "\t%s", get_field_rd (inst));

16
opcodes/microblaze-opc.h
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@ -56,6 +56,9 @@
/* New insn type for t*put. */
#define INST_TYPE_RFSL 19
/* For mbar. */
#define INST_TYPE_IMM5 20
#define INST_TYPE_NONE 25
@ -76,8 +79,8 @@
#define OPCODE_MASK_H2 0xFC1F0000 /* High 6 and bits 20-16. */
#define OPCODE_MASK_H12 0xFFFF0000 /* High 16. */
#define OPCODE_MASK_H4 0xFC0007FF /* High 6 and low 11 bits. */
#define OPCODE_MASK_H13S 0xFFE0EFF0 /* High 11 and 15:1 bits and last
nibble of last byte for spr. */
#define OPCODE_MASK_H13S 0xFFE0E7F0 /* High 11 16:18 21:27 bits, 19:20 bits
and last nibble of last byte for spr. */
#define OPCODE_MASK_H23S 0xFC1FC000 /* High 6, 20-16 and 15:1 bits and last
nibble of last byte for spr. */
#define OPCODE_MASK_H34 0xFC00FFFF /* High 6 and low 16 bits. */
@ -92,11 +95,13 @@
/* New Mask for msrset, msrclr insns. */
#define OPCODE_MASK_H23N 0xFC1F8000 /* High 6 and bits 11 - 16. */
/* Mask for mbar insn. */
#define OPCODE_MASK_HN 0xFF020004 /* High 16 bits and bits 14, 29. */
#define DELAY_SLOT 1
#define NO_DELAY_SLOT 0
#define MAX_OPCODES 285
#define MAX_OPCODES 287
struct op_code_struct
{
@ -395,6 +400,8 @@ struct op_code_struct
{"necaputd", INST_TYPE_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x4C000760, OPCODE_MASK_H34C, necaputd, anyware_inst },
{"tnecaputd", INST_TYPE_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x4C0007E0, OPCODE_MASK_H34C, tnecaputd, anyware_inst },
{"clz", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x900000E0, OPCODE_MASK_H34, clz, special_inst },
{"mbar", INST_TYPE_IMM5, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB8020004, OPCODE_MASK_HN, mbar, special_inst },
{"sleep", INST_TYPE_NONE, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBA020004, OPCODE_MASK_HN, invalid_inst, special_inst }, /* translates to mbar 16. */
{"", 0, 0, 0, 0, 0, 0, 0, 0},
};
@ -412,5 +419,8 @@ char pvr_register_prefix[] = "rpvr";
#define MIN_IMM15 ((int) 0x0000)
#define MAX_IMM15 ((int) 0x7fff)
#define MIN_IMM5 ((int) 0x00000000)
#define MAX_IMM5 ((int) 0x0000001f)
#endif /* MICROBLAZE_OPC */

6
opcodes/microblaze-opcm.h
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@ -31,7 +31,7 @@ enum microblaze_instr
idiv, idivu, bsll, bsra, bsrl, get, put, nget, nput, cget, cput,
ncget, ncput, muli, bslli, bsrai, bsrli, mului, or, and, xor,
andn, pcmpbf, pcmpbc, pcmpeq, pcmpne, sra, src, srl, sext8, sext16,
wic, wdc, wdcclear, wdcflush, mts, mfs, br, brd,
wic, wdc, wdcclear, wdcflush, mts, mfs, mbar, br, brd,
brld, bra, brad, brald, microblaze_brk, beq, beqd, bne, bned, blt,
bltd, ble, bled, bgt, bgtd, bge, bged, ori, andi, xori, andni,
imm, rtsd, rtid, rtbd, rted, bri, brid, brlid, brai, braid, bralid,
@ -122,6 +122,7 @@ enum microblaze_instr_type
#define RA_LOW 16 /* Low bit for RA. */
#define RB_LOW 11 /* Low bit for RB. */
#define IMM_LOW 0 /* Low bit for immediate. */
#define IMM_MBAR 21 /* low bit for mbar instruction. */
#define RD_MASK 0x03E00000
#define RA_MASK 0x001F0000
@ -131,6 +132,9 @@ enum microblaze_instr_type
/* Imm mask for barrel shifts. */
#define IMM5_MASK 0x0000001F
/* Imm mask for mbar. */
#define IMM5_MBAR_MASK 0x03E00000
/* FSL imm mask for get, put instructions. */
#define RFSL_MASK 0x000000F