[v13,07/26] target/loongarch: Add fixed point load/store instruction translation

Message ID	1638610165-15036-8-git-send-email-gaosong@loongson.cn (mailing list archive)
State	New, archived
Headers	show Return-Path: <qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org> From: Song Gao <gaosong@loongson.cn> To: qemu-devel@nongnu.org Subject: [PATCH v13 07/26] target/loongarch: Add fixed point load/store instruction translation Date: Sat, 4 Dec 2021 17:29:06 +0800 Message-Id: <1638610165-15036-8-git-send-email-gaosong@loongson.cn> In-Reply-To: <1638610165-15036-1-git-send-email-gaosong@loongson.cn> References: <1638610165-15036-1-git-send-email-gaosong@loongson.cn> Received-SPF: pass client-ip=114.242.206.163; envelope-from=gaosong@loongson.cn; helo=loongson.cn X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action Precedence: list Cc: Xiaojuan Yang <yangxiaojuan@loongson.cn>, richard.henderson@linaro.org, laurent@vivier.eu Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org>
Series	Add LoongArch linux-user emulation support \| expand [v13,00/26] Add LoongArch linux-user emulation support [v13,01/26] target/loongarch: Add README [v13,02/26] target/loongarch: Add core definition [v13,03/26] target/loongarch: Add main translation routines [v13,04/26] target/loongarch: Add fixed point arithmetic instruction translation [v13,05/26] target/loongarch: Add fixed point shift instruction translation [v13,06/26] target/loongarch: Add fixed point bit instruction translation [v13,07/26] target/loongarch: Add fixed point load/store instruction translation [v13,08/26] target/loongarch: Add fixed point atomic instruction translation [v13,09/26] target/loongarch: Add fixed point extra instruction translation [v13,10/26] target/loongarch: Add floating point arithmetic instruction translation [v13,11/26] target/loongarch: Add floating point comparison instruction translation [v13,12/26] target/loongarch: Add floating point conversion instruction translation [v13,13/26] target/loongarch: Add floating point move instruction translation [v13,14/26] target/loongarch: Add floating point load/store instruction translation [v13,15/26] target/loongarch: Add branch instruction translation [v13,16/26] target/loongarch: Add disassembler [v13,17/26] linux-user: Add LoongArch generic header files [v13,18/26] linux-user: Add LoongArch specific structures [v13,19/26] linux-user: Add LoongArch signal support [v13,20/26] linux-user: Add LoongArch elf support [v13,21/26] linux-user: Add LoongArch syscall support [v13,22/26] linux-user: Add LoongArch cpu_loop support [v13,23/26] default-configs: Add loongarch linux-user support [v13,24/26] target/loongarch: Add target build suport [v13,25/26] target/loongarch: 'make check-tcg' support [v13,26/26] scripts: add loongarch64 binfmt config

diff --git a/target/loongarch/helper.h b/target/loongarch/helper.h index 04e0245..100622b 100644 --- a/target/loongarch/helper.h +++ b/target/loongarch/helper.h @@ -8,3 +8,6 @@ DEF_HELPER_2(raise_exception, noreturn, env, i32) DEF_HELPER_FLAGS_1(bitrev_w, TCG_CALL_NO_RWG_SE, tl, tl) DEF_HELPER_FLAGS_1(bitrev_d, TCG_CALL_NO_RWG_SE, tl, tl) DEF_HELPER_FLAGS_1(bitswap, TCG_CALL_NO_RWG_SE, tl, tl) + +DEF_HELPER_FLAGS_3(asrtle_d, TCG_CALL_NO_WG, void, env, tl, tl) +DEF_HELPER_FLAGS_3(asrtgt_d, TCG_CALL_NO_WG, void, env, tl, tl) diff --git a/target/loongarch/insn_trans/trans_memory.c.inc b/target/loongarch/insn_trans/trans_memory.c.inc new file mode 100644 index 0000000..9003d9a --- /dev/null +++ b/target/loongarch/insn_trans/trans_memory.c.inc @@ -0,0 +1,229 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (c) 2021 Loongson Technology Corporation Limited + */ + +static bool gen_load(DisasContext *ctx, arg_rr_i *a, MemOp mop) +{ + TCGv dest = gpr_dst(ctx, a->rd, EXT_NONE); + TCGv addr = gpr_src(ctx, a->rj, EXT_NONE); + TCGv temp = NULL; + + if (a->imm) { + temp = tcg_temp_new(); + tcg_gen_addi_tl(temp, addr, a->imm); + addr = temp; + } + + tcg_gen_qemu_ld_tl(dest, addr, ctx->mem_idx, mop); + gen_set_gpr(a->rd, dest, EXT_NONE); + + if (temp) { + tcg_temp_free(temp); + } + + return true; +} + +static bool gen_store(DisasContext *ctx, arg_rr_i *a, MemOp mop) +{ + TCGv data = gpr_src(ctx, a->rd, EXT_NONE); + TCGv addr = gpr_src(ctx, a->rj, EXT_NONE); + TCGv temp = NULL; + + if (a->imm) { + temp = tcg_temp_new(); + tcg_gen_addi_tl(temp, addr, a->imm); + addr = temp; + } + + tcg_gen_qemu_st_tl(data, addr, ctx->mem_idx, mop); + + if (temp) { + tcg_temp_free(temp); + } + + return true; +} + +static bool gen_loadx(DisasContext *ctx, arg_rrr *a, MemOp mop) +{ + TCGv dest = gpr_dst(ctx, a->rd, EXT_NONE); + TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE); + TCGv src2 = gpr_src(ctx, a->rk, EXT_NONE); + TCGv addr = tcg_temp_new(); + + tcg_gen_add_tl(addr, src1, src2); + tcg_gen_qemu_ld_tl(dest, addr, ctx->mem_idx, mop); + gen_set_gpr(a->rd, dest, EXT_NONE); + tcg_temp_free(addr); + + return true; +} + +static bool gen_storex(DisasContext *ctx, arg_rrr *a, MemOp mop) +{ + TCGv data = gpr_src(ctx, a->rd, EXT_NONE); + TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE); + TCGv src2 = gpr_src(ctx, a->rk, EXT_NONE); + TCGv addr = tcg_temp_new(); + + tcg_gen_add_tl(addr, src1, src2); + tcg_gen_qemu_st_tl(data, addr, ctx->mem_idx, mop); + tcg_temp_free(addr); + + return true; +} + +static bool gen_load_gt(DisasContext *ctx, arg_rrr *a, MemOp mop) +{ + TCGv dest = gpr_dst(ctx, a->rd, EXT_NONE); + TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE); + TCGv src2 = gpr_src(ctx, a->rk, EXT_NONE); + + gen_helper_asrtgt_d(cpu_env, src1, src2); + tcg_gen_qemu_ld_tl(dest, src1, ctx->mem_idx, mop); + gen_set_gpr(a->rd, dest, EXT_NONE); + + return true; +} + +static bool gen_load_le(DisasContext *ctx, arg_rrr *a, MemOp mop) +{ + TCGv dest = gpr_dst(ctx, a->rd, EXT_NONE); + TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE); + TCGv src2 = gpr_src(ctx, a->rk, EXT_NONE); + + gen_helper_asrtle_d(cpu_env, src1, src2); + tcg_gen_qemu_ld_tl(dest, src1, ctx->mem_idx, mop); + gen_set_gpr(a->rd, dest, EXT_NONE); + + return true; +} + +static bool gen_store_gt(DisasContext *ctx, arg_rrr *a, MemOp mop) +{ + TCGv data = gpr_src(ctx, a->rd, EXT_NONE); + TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE); + TCGv src2 = gpr_src(ctx, a->rk, EXT_NONE); + + gen_helper_asrtgt_d(cpu_env, src1, src2); + tcg_gen_qemu_st_tl(data, src1, ctx->mem_idx, mop); + + return true; +} + +static bool gen_store_le(DisasContext *ctx, arg_rrr *a, MemOp mop) +{ + TCGv data = gpr_src(ctx, a->rd, EXT_NONE); + TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE); + TCGv src2 = gpr_src(ctx, a->rk, EXT_NONE); + + gen_helper_asrtle_d(cpu_env, src1, src2); + tcg_gen_qemu_st_tl(data, src1, ctx->mem_idx, mop); + + return true; +} + +static bool trans_preld(DisasContext *ctx, arg_preld *a) +{ + return true; +} + +static bool trans_dbar(DisasContext *ctx, arg_dbar * a) +{ + tcg_gen_mb(TCG_BAR_SC | TCG_MO_ALL); + return true; +} + +static bool trans_ibar(DisasContext *ctx, arg_ibar *a) +{ + ctx->base.is_jmp = DISAS_STOP; + return true; +} + +static bool gen_ldptr(DisasContext *ctx, arg_rr_i *a, MemOp mop) +{ + TCGv dest = gpr_dst(ctx, a->rd, EXT_NONE); + TCGv addr = gpr_src(ctx, a->rj, EXT_NONE); + TCGv temp = NULL; + + if (a->imm) { + temp = tcg_temp_new(); + tcg_gen_addi_tl(temp, addr, a->imm); + addr = temp; + } + + tcg_gen_qemu_ld_tl(dest, addr, ctx->mem_idx, mop); + gen_set_gpr(a->rd, dest, EXT_NONE); + + if (temp) { + tcg_temp_free(temp); + } + + return true; +} + +static bool gen_stptr(DisasContext *ctx, arg_rr_i *a, MemOp mop) +{ + TCGv data = gpr_src(ctx, a->rd, EXT_NONE); + TCGv addr = gpr_src(ctx, a->rj, EXT_NONE); + TCGv temp = NULL; + + if (a->imm) { + temp = tcg_temp_new(); + tcg_gen_addi_tl(temp, addr, a->im); + addr = temp; + } + + tcg_gen_qemu_st_tl(data, addr, ctx->mem_idx, mop); + + if (temp) { + tcg_temp_free(temp); + } + + return true; +} + +TRANS(ld_b, gen_load, MO_SB) +TRANS(ld_h, gen_load, MO_TESW) +TRANS(ld_w, gen_load, MO_TESL) +TRANS(ld_d, gen_load, MO_TEQ) +TRANS(st_b, gen_store, MO_SB) +TRANS(st_h, gen_store, MO_TESW) +TRANS(st_w, gen_store, MO_TESL) +TRANS(st_d, gen_store, MO_TEQ) +TRANS(ld_bu, gen_load, MO_UB) +TRANS(ld_hu, gen_load, MO_TEUW) +TRANS(ld_wu, gen_load, MO_TEUL) +TRANS(ldx_b, gen_loadx, MO_SB) +TRANS(ldx_h, gen_loadx, MO_TESW) +TRANS(ldx_w, gen_loadx, MO_TESL) +TRANS(ldx_d, gen_loadx, MO_TEQ) +TRANS(stx_b, gen_storex, MO_SB) +TRANS(stx_h, gen_storex, MO_TESW) +TRANS(stx_w, gen_storex, MO_TESL) +TRANS(stx_d, gen_storex, MO_TEQ) +TRANS(ldx_bu, gen_loadx, MO_UB) +TRANS(ldx_hu, gen_loadx, MO_TEUW) +TRANS(ldx_wu, gen_loadx, MO_TEUL) +TRANS(ldptr_w, gen_ldptr, MO_TESL) +TRANS(stptr_w, gen_stptr, MO_TESL) +TRANS(ldptr_d, gen_ldptr, MO_TEQ) +TRANS(stptr_d, gen_stptr, MO_TEQ) +TRANS(ldgt_b, gen_load_gt, MO_SB) +TRANS(ldgt_h, gen_load_gt, MO_TESW) +TRANS(ldgt_w, gen_load_gt, MO_TESL) +TRANS(ldgt_d, gen_load_gt, MO_TEQ) +TRANS(ldle_b, gen_load_le, MO_SB) +TRANS(ldle_h, gen_load_le, MO_TESW) +TRANS(ldle_w, gen_load_le, MO_TESL) +TRANS(ldle_d, gen_load_le, MO_TEQ) +TRANS(stgt_b, gen_store_gt, MO_SB) +TRANS(stgt_h, gen_store_gt, MO_TESW) +TRANS(stgt_w, gen_store_gt, MO_TESL) +TRANS(stgt_d, gen_store_gt, MO_TEQ) +TRANS(stle_b, gen_store_le, MO_SB) +TRANS(stle_h, gen_store_le, MO_TESW) +TRANS(stle_w, gen_store_le, MO_TESL) +TRANS(stle_d, gen_store_le, MO_TEQ) diff --git a/target/loongarch/insns.decode b/target/loongarch/insns.decode index b0bed55..1156e69 100644 --- a/target/loongarch/insns.decode +++ b/target/loongarch/insns.decode @@ -8,21 +8,25 @@ # # Fields # +%i14s2 10:s14 !function=shl_2 %sa2p1 15:2 !function=plus_1 # # Argument sets # +&i imm &r_i rd imm &rr rd rj &rrr rd rj rk &rr_i rd rj imm +&hint_r_i hint rj imm &rrr_sa rd rj rk sa &rr_ms_ls rd rj ms ls # # Formats # +@i15 .... ........ ..... imm:15 &i @rr .... ........ ..... ..... rj:5 rd:5 &rr @rrr .... ........ ..... rk:5 rj:5 rd:5 &rrr @r_i20 .... ... imm:s20 rd:5 &r_i @@ -30,7 +34,9 @@ @rr_ui6 .... ........ .... imm:6 rj:5 rd:5 &rr_i @rr_i12 .... ...... imm:s12 rj:5 rd:5 &rr_i @rr_ui12 .... ...... imm:12 rj:5 rd:5 &rr_i +@rr_i14s2 .... .... .............. rj:5 rd:5 &rr_i imm=%i14s2 @rr_i16 .... .. imm:s16 rj:5 rd:5 &rr_i +@hint_r_i12 .... ...... imm:s12 rj:5 hint:5 &hint_r_i @rrr_sa2p1 .... ........ ... .. rk:5 rj:5 rd:5 &rrr_sa sa=%sa2p1 @rrr_sa2 .... ........ ... sa:2 rk:5 rj:5 rd:5 &rrr_sa @rrr_sa3 .... ........ .. sa:3 rk:5 rj:5 rd:5 &rrr_sa @@ -138,3 +144,52 @@ bstrins_w 0000 0000011 ..... 0 ..... ..... ..... @rr_2bw bstrpick_w 0000 0000011 ..... 1 ..... ..... ..... @rr_2bw bstrins_d 0000 000010 ...... ...... ..... ..... @rr_2bd bstrpick_d 0000 000011 ...... ...... ..... ..... @rr_2bd + +# +# Fixed point load/store instruction +# +ld_b 0010 100000 ............ ..... ..... @rr_i12 +ld_h 0010 100001 ............ ..... ..... @rr_i12 +ld_w 0010 100010 ............ ..... ..... @rr_i12 +ld_d 0010 100011 ............ ..... ..... @rr_i12 +st_b 0010 100100 ............ ..... ..... @rr_i12 +st_h 0010 100101 ............ ..... ..... @rr_i12 +st_w 0010 100110 ............ ..... ..... @rr_i12 +st_d 0010 100111 ............ ..... ..... @rr_i12 +ld_bu 0010 101000 ............ ..... ..... @rr_i12 +ld_hu 0010 101001 ............ ..... ..... @rr_i12 +ld_wu 0010 101010 ............ ..... ..... @rr_i12 +ldx_b 0011 10000000 00000 ..... ..... ..... @rrr +ldx_h 0011 10000000 01000 ..... ..... ..... @rrr +ldx_w 0011 10000000 10000 ..... ..... ..... @rrr +ldx_d 0011 10000000 11000 ..... ..... ..... @rrr +stx_b 0011 10000001 00000 ..... ..... ..... @rrr +stx_h 0011 10000001 01000 ..... ..... ..... @rrr +stx_w 0011 10000001 10000 ..... ..... ..... @rrr +stx_d 0011 10000001 11000 ..... ..... ..... @rrr +ldx_bu 0011 10000010 00000 ..... ..... ..... @rrr +ldx_hu 0011 10000010 01000 ..... ..... ..... @rrr +ldx_wu 0011 10000010 10000 ..... ..... ..... @rrr +preld 0010 101011 ............ ..... ..... @hint_r_i12 +dbar 0011 10000111 00100 ............... @i15 +ibar 0011 10000111 00101 ............... @i15 +ldptr_w 0010 0100 .............. ..... ..... @rr_i14s2 +stptr_w 0010 0101 .............. ..... ..... @rr_i14s2 +ldptr_d 0010 0110 .............. ..... ..... @rr_i14s2 +stptr_d 0010 0111 .............. ..... ..... @rr_i14s2 +ldgt_b 0011 10000111 10000 ..... ..... ..... @rrr +ldgt_h 0011 10000111 10001 ..... ..... ..... @rrr +ldgt_w 0011 10000111 10010 ..... ..... ..... @rrr +ldgt_d 0011 10000111 10011 ..... ..... ..... @rrr +ldle_b 0011 10000111 10100 ..... ..... ..... @rrr +ldle_h 0011 10000111 10101 ..... ..... ..... @rrr +ldle_w 0011 10000111 10110 ..... ..... ..... @rrr +ldle_d 0011 10000111 10111 ..... ..... ..... @rrr +stgt_b 0011 10000111 11000 ..... ..... ..... @rrr +stgt_h 0011 10000111 11001 ..... ..... ..... @rrr +stgt_w 0011 10000111 11010 ..... ..... ..... @rrr +stgt_d 0011 10000111 11011 ..... ..... ..... @rrr +stle_b 0011 10000111 11100 ..... ..... ..... @rrr +stle_h 0011 10000111 11101 ..... ..... ..... @rrr +stle_w 0011 10000111 11110 ..... ..... ..... @rrr +stle_d 0011 10000111 11111 ..... ..... ..... @rrr diff --git a/target/loongarch/op_helper.c b/target/loongarch/op_helper.c index f4b22c7..e6410f6 100644 --- a/target/loongarch/op_helper.c +++ b/target/loongarch/op_helper.c @@ -40,3 +40,18 @@ target_ulong helper_bitswap(target_ulong v) ((v & (target_ulong)0x0F0F0F0F0F0F0F0FULL) << 4); return v; } + +/* loongarch assert op */ +void helper_asrtle_d(CPULoongArchState *env, target_ulong rj, target_ulong rk) +{ + if (rj > rk) { + do_raise_exception(env, EXCP_ADE, GETPC()); + } +} + +void helper_asrtgt_d(CPULoongArchState *env, target_ulong rj, target_ulong rk) +{ + if (rj <= rk) { + do_raise_exception(env, EXCP_ADE, GETPC()); + } +} diff --git a/target/loongarch/translate.c b/target/loongarch/translate.c index c0875db..4ce452a 100644 --- a/target/loongarch/translate.c +++ b/target/loongarch/translate.c @@ -31,6 +31,11 @@ static inline int plus_1(DisasContext *ctx, int x) return x + 1; } +static inline int shl_2(DisasContext *ctx, int x) +{ + return x * 4; +} + void generate_exception(DisasContext *ctx, int excp) { tcg_gen_movi_tl(cpu_pc, ctx->base.pc_next); @@ -148,6 +153,7 @@ static void gen_set_gpr(int reg_num, TCGv t, DisasExtend dst_ext) #include "insn_trans/trans_arith.c.inc" #include "insn_trans/trans_shift.c.inc" #include "insn_trans/trans_bit.c.inc" +#include "insn_trans/trans_memory.c.inc" static void loongarch_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs) {

[v13,07/26] target/loongarch: Add fixed point load/store instruction translation

Commit Message

Patch