diff options
| author |   David Daney <ddaney@caviumnetworks.com> | 2010-07-23 18:41:41 -0700 |
|---|---|---|
| committer |   Ralf Baechle <ralf@linux-mips.org> | 2010-08-05 13:26:20 +0100 |
| commit | de6d5b555c1887b5b9b59854a45ebd4805fb4b39 (patch) | |
| tree | 6f99e2f60a21a7ed4de851942ca4925b16ebb250 /arch/mips | |
| parent | MIPS: Octeon: Implement delays with cycle counter. (diff) | |
| download | linux-dev-de6d5b555c1887b5b9b59854a45ebd4805fb4b39.tar.xz linux-dev-de6d5b555c1887b5b9b59854a45ebd4805fb4b39.zip | |
MIPS: uasm: Add drotr32 and uasm_i_drotr_safe.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
To: wim@iguana.be
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/1495/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/include/asm/uasm.h | 10 | ||||
| -rw-r--r-- | arch/mips/mm/uasm.c | 13 |
2 files changed, 18 insertions, 5 deletions
diff --git a/arch/mips/include/asm/uasm.h b/arch/mips/include/asm/uasm.h index 697e40c06497..3964b2e6c7d6 100644 --- a/arch/mips/include/asm/uasm.h +++ b/arch/mips/include/asm/uasm.h @@ -71,6 +71,7 @@ Ip_u2u1u3(_dsra); Ip_u2u1u3(_dsrl); Ip_u2u1u3(_dsrl32); Ip_u2u1u3(_drotr); +Ip_u2u1u3(_drotr32); Ip_u3u1u2(_dsubu); Ip_0(_eret); Ip_u1(_j); @@ -176,6 +177,15 @@ static inline void uasm_i_dsrl_safe(u32 **p, unsigned int a1, uasm_i_dsrl32(p, a1, a2, a3 - 32); } +static inline void uasm_i_drotr_safe(u32 **p, unsigned int a1, + unsigned int a2, unsigned int a3) +{ + if (a3 < 32) + uasm_i_drotr(p, a1, a2, a3); + else + uasm_i_drotr32(p, a1, a2, a3 - 32); +} + static inline void uasm_i_dsll_safe(u32 **p, unsigned int a1, unsigned int a2, unsigned int a3) { diff --git a/arch/mips/mm/uasm.c b/arch/mips/mm/uasm.c index 611d564fdcf1..fe041d5bb41a 100644 --- a/arch/mips/mm/uasm.c +++ b/arch/mips/mm/uasm.c @@ -62,11 +62,12 @@ enum opcode { insn_beql, insn_bgez, insn_bgezl, insn_bltz, insn_bltzl, insn_bne, insn_cache, insn_daddu, insn_daddiu, insn_dmfc0, insn_dmtc0, insn_dsll, insn_dsll32, insn_dsra, insn_dsrl, - insn_dsrl32, insn_drotr, insn_dsubu, insn_eret, insn_j, insn_jal, - insn_jr, insn_ld, insn_ll, insn_lld, insn_lui, insn_lw, insn_mfc0, - insn_mtc0, insn_or, insn_ori, insn_pref, insn_rfe, insn_sc, insn_scd, - insn_sd, insn_sll, insn_sra, insn_srl, insn_rotr, insn_subu, insn_sw, - insn_tlbp, insn_tlbr, insn_tlbwi, insn_tlbwr, insn_xor, insn_xori, + insn_dsrl32, insn_drotr, insn_drotr32, insn_dsubu, insn_eret, + insn_j, insn_jal, insn_jr, insn_ld, insn_ll, insn_lld, + insn_lui, insn_lw, insn_mfc0, insn_mtc0, insn_or, insn_ori, + insn_pref, insn_rfe, insn_sc, insn_scd, insn_sd, insn_sll, + insn_sra, insn_srl, insn_rotr, insn_subu, insn_sw, insn_tlbp, + insn_tlbr, insn_tlbwi, insn_tlbwr, insn_xor, insn_xori, insn_dins, insn_syscall }; @@ -108,6 +109,7 @@ static struct insn insn_table[] __cpuinitdata = { { insn_dsrl, M(spec_op, 0, 0, 0, 0, dsrl_op), RT | RD | RE }, { insn_dsrl32, M(spec_op, 0, 0, 0, 0, dsrl32_op), RT | RD | RE }, { insn_drotr, M(spec_op, 1, 0, 0, 0, dsrl_op), RT | RD | RE }, + { insn_drotr32, M(spec_op, 1, 0, 0, 0, dsrl32_op), RT | RD | RE }, { insn_dsubu, M(spec_op, 0, 0, 0, 0, dsubu_op), RS | RT | RD }, { insn_eret, M(cop0_op, cop_op, 0, 0, 0, eret_op), 0 }, { insn_j, M(j_op, 0, 0, 0, 0, 0), JIMM }, @@ -375,6 +377,7 @@ I_u2u1u3(_dsra) I_u2u1u3(_dsrl) I_u2u1u3(_dsrl32) I_u2u1u3(_drotr) +I_u2u1u3(_drotr32) I_u3u1u2(_dsubu) I_0(_eret) I_u1(_j) |