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authorMarkos Chandras <markos.chandras@imgtec.com>2014-04-08 15:47:11 +0400
committerRalf Baechle <ralf@linux-mips.org>2014-05-30 17:54:38 +0400
commitab9e4fa092db6c4beea8fde67261959520675456 (patch)
tree9ab1a6cb3ea8e005dd131ce89fd1701c4e923fab /arch/mips
parente8ef868b470984064c23ce4bf2cd4c0167e1fbe5 (diff)
downloadlinux-ab9e4fa092db6c4beea8fde67261959520675456.tar.xz
MIPS: uasm: Add wsbh uasm instruction
It will be used later on by bpf-jit [ralf@linux-mips.org: Resolved conflict.] Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/6732/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
-rw-r--r--arch/mips/include/asm/uasm.h1
-rw-r--r--arch/mips/include/uapi/asm/inst.h11
-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
5 files changed, 16 insertions, 1 deletions
diff --git a/arch/mips/include/asm/uasm.h b/arch/mips/include/asm/uasm.h
index 090f7503e421..d754ddc496d0 100644
--- a/arch/mips/include/asm/uasm.h
+++ b/arch/mips/include/asm/uasm.h
@@ -157,6 +157,7 @@ Ip_0(_tlbr);
Ip_0(_tlbwi);
Ip_0(_tlbwr);
Ip_u1(_wait);
+Ip_u2u1(_wsbh);
Ip_u3u1u2(_xor);
Ip_u2u1u3(_xori);
Ip_u2u1(_yield);
diff --git a/arch/mips/include/uapi/asm/inst.h b/arch/mips/include/uapi/asm/inst.h
index c78d235f86ee..aa37373bfd64 100644
--- a/arch/mips/include/uapi/asm/inst.h
+++ b/arch/mips/include/uapi/asm/inst.h
@@ -206,6 +206,16 @@ enum lx_func {
};
/*
+ * BSHFL opcodes
+ */
+enum bshfl_func {
+ wsbh_op = 0x2,
+ dshd_op = 0x5,
+ seb_op = 0x10,
+ seh_op = 0x18,
+};
+
+/*
* (microMIPS) Major opcodes.
*/
enum mm_major_op {
@@ -258,6 +268,7 @@ enum mm_32a_minor_op {
mm_lwxs_op = 0x118,
mm_addu32_op = 0x150,
mm_subu32_op = 0x1d0,
+ mm_wsbh_op = 0x1ec,
mm_and_op = 0x250,
mm_or32_op = 0x290,
mm_xor32_op = 0x310,
diff --git a/arch/mips/mm/uasm-micromips.c b/arch/mips/mm/uasm-micromips.c
index 260ca1b26504..071a4c1c2024 100644
--- a/arch/mips/mm/uasm-micromips.c
+++ b/arch/mips/mm/uasm-micromips.c
@@ -112,6 +112,7 @@ static struct insn insn_table_MM[] = {
{ 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_wsbh, M(mm_pool32a_op, 0, 0, 0, mm_wsbh_op, mm_pool32axf_op), RT | RS },
{ 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 ad1701c4727d..c50d3b4b55a7 100644
--- a/arch/mips/mm/uasm-mips.c
+++ b/arch/mips/mm/uasm-mips.c
@@ -120,6 +120,7 @@ static struct insn insn_table[] = {
{ 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_wsbh, M(spec3_op, 0, 0, 0, wsbh_op, bshfl_op), RT | RD },
{ 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_yield, M(spec3_op, 0, 0, 0, 0, yield_op), RS | RD },
diff --git a/arch/mips/mm/uasm.c b/arch/mips/mm/uasm.c
index e0738fa514bc..678e41a57892 100644
--- a/arch/mips/mm/uasm.c
+++ b/arch/mips/mm/uasm.c
@@ -55,7 +55,7 @@ enum opcode {
insn_rotr, insn_sc, insn_scd, insn_sd, insn_sll, insn_sllv, insn_sltiu,
insn_sltu, insn_sra, insn_srl, insn_srlv, insn_subu, insn_sw, insn_sync,
insn_syscall, insn_tlbp, insn_tlbr, insn_tlbwi, insn_tlbwr, insn_wait,
- insn_xor, insn_xori, insn_yield,
+ insn_wsbh, insn_xor, insn_xori, insn_yield,
};
struct insn {
@@ -298,6 +298,7 @@ I_0(_tlbr)
I_0(_tlbwi)
I_0(_tlbwr)
I_u1(_wait);
+I_u2u1(_wsbh)
I_u3u1u2(_xor)
I_u2u1u3(_xori)
I_u2u1(_yield)