| From b8e39d2a6b83d0f0a14d4bfeafd47a37d746f159 Mon Sep 17 00:00:00 2001 |
| From: David Holsgrove <david.holsgrove@xilinx.com> |
| Date: Wed, 8 May 2013 11:03:36 +1000 |
| Subject: [PATCH 02/40] Add wdc.ext.clear and wdc.ext.flush insns |
| |
| Added two new instructions, wdc.ext.clear and wdc.ext.flush, |
| to enable MicroBlaze to flush an external cache, which is |
| used with the new coherency support for multiprocessing. |
| |
| Signed-off-by:nagaraju <nmekala@xilix.com> |
| Signed-off-by: David Holsgrove <david.holsgrove@xilinx.com> |
| --- |
| opcodes/microblaze-opc.h | 5 ++++- |
| opcodes/microblaze-opcm.h | 4 ++-- |
| 2 files changed, 6 insertions(+), 3 deletions(-) |
| |
| diff --git a/opcodes/microblaze-opc.h b/opcodes/microblaze-opc.h |
| index 27d8684df04..b6c5016e4d2 100644 |
| --- a/opcodes/microblaze-opc.h |
| +++ b/opcodes/microblaze-opc.h |
| @@ -91,6 +91,7 @@ |
| #define OPCODE_MASK_H3 0xFC000600 /* High 6 bits and bits 21, 22. */ |
| #define OPCODE_MASK_H32 0xFC00FC00 /* High 6 bits and bit 16-21. */ |
| #define OPCODE_MASK_H34B 0xFC0000FF /* High 6 bits and low 8 bits. */ |
| +#define OPCODE_MASK_H35B 0xFC0004FF /* High 6 bits and low 9 bits. */ |
| #define OPCODE_MASK_H34C 0xFC0007E0 /* High 6 bits and bits 21-26. */ |
| |
| /* New Mask for msrset, msrclr insns. */ |
| @@ -101,7 +102,7 @@ |
| #define DELAY_SLOT 1 |
| #define NO_DELAY_SLOT 0 |
| |
| -#define MAX_OPCODES 289 |
| +#define MAX_OPCODES 291 |
| |
| struct op_code_struct |
| { |
| @@ -174,7 +175,9 @@ struct op_code_struct |
| {"wic", INST_TYPE_R1_R2_SPECIAL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000068, OPCODE_MASK_H34B, wic, special_inst }, |
| {"wdc", INST_TYPE_R1_R2_SPECIAL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000064, OPCODE_MASK_H34B, wdc, special_inst }, |
| {"wdc.clear", INST_TYPE_R1_R2_SPECIAL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000066, OPCODE_MASK_H34B, wdcclear, special_inst }, |
| + {"wdc.ext.clear", INST_TYPE_R1_R2_SPECIAL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000466, OPCODE_MASK_H35B, wdcextclear, special_inst }, |
| {"wdc.flush", INST_TYPE_R1_R2_SPECIAL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000074, OPCODE_MASK_H34B, wdcflush, special_inst }, |
| + {"wdc.ext.flush", INST_TYPE_R1_R2_SPECIAL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000476, OPCODE_MASK_H35B, wdcextflush, special_inst }, |
| {"mts", INST_TYPE_SPECIAL_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_MTS, 0x9400C000, OPCODE_MASK_H13S, mts, special_inst }, |
| {"mfs", INST_TYPE_RD_SPECIAL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_MFS, 0x94008000, OPCODE_MASK_H23S, mfs, special_inst }, |
| {"br", INST_TYPE_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x98000000, OPCODE_MASK_H124, br, branch_inst }, |
| diff --git a/opcodes/microblaze-opcm.h b/opcodes/microblaze-opcm.h |
| index aa53dfe6bb5..795c57b5ff6 100644 |
| --- a/opcodes/microblaze-opcm.h |
| +++ b/opcodes/microblaze-opcm.h |
| @@ -33,8 +33,8 @@ enum microblaze_instr |
| /* 'or/and/xor' are C++ keywords. */ |
| microblaze_or, microblaze_and, microblaze_xor, |
| andn, pcmpbf, pcmpbc, pcmpeq, pcmpne, sra, src, srl, sext8, sext16, |
| - wic, wdc, wdcclear, wdcflush, mts, mfs, mbar, br, brd, |
| - brld, bra, brad, brald, microblaze_brk, beq, beqd, bne, bned, blt, |
| + wic, wdc, wdcclear, wdcextclear, wdcflush, wdcextflush, 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, |
| brki, beqi, beqid, bnei, bneid, blti, bltid, blei, bleid, bgti, |
| -- |
| 2.17.1 |
| |