summaryrefslogtreecommitdiffstats
path: root/arch/mips
diff options
context:
space:
mode:
authorPaul Burton <paul.burton@imgtec.com>2013-12-24 03:50:35 +0000
committerPaul Burton <paul.burton@imgtec.com>2014-05-28 16:20:27 +0100
commit53ed138986e1022c2b6fef7f8e9731f5bf3e6af1 (patch)
treeb18132ab7697d3d2acf01c8b059fa91939a8e9c1 /arch/mips
parent729ff56169395cb3e467e4e3c1e2637f4d3436ce (diff)
downloadop-kernel-dev-53ed138986e1022c2b6fef7f8e9731f5bf3e6af1.zip
op-kernel-dev-53ed138986e1022c2b6fef7f8e9731f5bf3e6af1.tar.gz
MIPS: uasm: add wait instruction
This patch allows use of the wait instruction from uasm. It will be used by a subsequent patch. Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Diffstat (limited to 'arch/mips')
-rw-r--r--arch/mips/include/asm/uasm.h1
-rw-r--r--arch/mips/mm/uasm-micromips.c1
-rw-r--r--arch/mips/mm/uasm-mips.c1
-rw-r--r--arch/mips/mm/uasm.c3
4 files changed, 5 insertions, 1 deletions
diff --git a/arch/mips/include/asm/uasm.h b/arch/mips/include/asm/uasm.h
index 306892c..8810801 100644
--- a/arch/mips/include/asm/uasm.h
+++ b/arch/mips/include/asm/uasm.h
@@ -147,6 +147,7 @@ Ip_0(_tlbp);
Ip_0(_tlbr);
Ip_0(_tlbwi);
Ip_0(_tlbwr);
+Ip_u1(_wait);
Ip_u3u1u2(_xor);
Ip_u2u1u3(_xori);
diff --git a/arch/mips/mm/uasm-micromips.c b/arch/mips/mm/uasm-micromips.c
index 9500f2a..bcbcf4a 100644
--- a/arch/mips/mm/uasm-micromips.c
+++ b/arch/mips/mm/uasm-micromips.c
@@ -104,6 +104,7 @@ static struct insn insn_table_MM[] = {
{ insn_tlbr, M(mm_pool32a_op, 0, 0, 0, mm_tlbr_op, mm_pool32axf_op), 0 },
{ insn_tlbwi, M(mm_pool32a_op, 0, 0, 0, mm_tlbwi_op, mm_pool32axf_op), 0 },
{ insn_tlbwr, M(mm_pool32a_op, 0, 0, 0, mm_tlbwr_op, mm_pool32axf_op), 0 },
+ { insn_wait, M(mm_pool32a_op, 0, 0, 0, mm_wait_op, mm_pool32axf_op), SCIMM },
{ insn_xor, M(mm_pool32a_op, 0, 0, 0, 0, mm_xor32_op), RT | RS | RD },
{ insn_xori, M(mm_xori32_op, 0, 0, 0, 0, 0), RT | RS | UIMM },
{ insn_dins, 0, 0 },
diff --git a/arch/mips/mm/uasm-mips.c b/arch/mips/mm/uasm-mips.c
index 51063fd..c69f785 100644
--- a/arch/mips/mm/uasm-mips.c
+++ b/arch/mips/mm/uasm-mips.c
@@ -113,6 +113,7 @@ static struct insn insn_table[] = {
{ insn_tlbr, M(cop0_op, cop_op, 0, 0, 0, tlbr_op), 0 },
{ insn_tlbwi, M(cop0_op, cop_op, 0, 0, 0, tlbwi_op), 0 },
{ insn_tlbwr, M(cop0_op, cop_op, 0, 0, 0, tlbwr_op), 0 },
+ { insn_wait, M(cop0_op, cop_op, 0, 0, 0, wait_op), SCIMM },
{ insn_xori, M(xori_op, 0, 0, 0, 0, 0), RS | RT | UIMM },
{ insn_xor, M(spec_op, 0, 0, 0, 0, xor_op), RS | RT | RD },
{ insn_invalid, 0, 0 }
diff --git a/arch/mips/mm/uasm.c b/arch/mips/mm/uasm.c
index 7c13801..46d2173 100644
--- a/arch/mips/mm/uasm.c
+++ b/arch/mips/mm/uasm.c
@@ -54,7 +54,7 @@ enum opcode {
insn_mtc0, insn_or, insn_ori, insn_pref, insn_rfe, insn_rotr, insn_sc,
insn_scd, insn_sd, insn_sll, insn_sra, insn_srl, insn_subu, insn_sw,
insn_sync, insn_syscall, insn_tlbp, insn_tlbr, insn_tlbwi, insn_tlbwr,
- insn_xor, insn_xori,
+ insn_wait, insn_xor, insn_xori,
};
struct insn {
@@ -276,6 +276,7 @@ I_0(_tlbp)
I_0(_tlbr)
I_0(_tlbwi)
I_0(_tlbwr)
+I_u1(_wait);
I_u3u1u2(_xor)
I_u2u1u3(_xori)
I_u2u1msbu3(_dins);
OpenPOWER on IntegriCloud