[v5,09/11] target/loongarch: Truncate high 32 bits of address in VA32 mode

Message ID	20230809083258.1787464-10-c@jia.je (mailing list archive)
State	New, archived
Headers	show Return-Path: <qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org> sender: c@jia.je) by hognose1.porkbun.com (Postfix) with ESMTPSA id 455894404B; Wed, 9 Aug 2023 08:33:42 +0000 (UTC) From: Jiajie Chen <c@jia.je> To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org, yijun@loongson.cn, shenjinyang@loongson.cn, gaosong@loongson.cn, i.qemu@xen0n.name, Jiajie Chen <c@jia.je>, Xiaojuan Yang <yangxiaojuan@loongson.cn> Subject: [PATCH v5 09/11] target/loongarch: Truncate high 32 bits of address in VA32 mode Date: Wed, 9 Aug 2023 16:26:37 +0800 Message-ID: <20230809083258.1787464-10-c@jia.je> In-Reply-To: <20230809083258.1787464-1-c@jia.je> References: <20230809083258.1787464-1-c@jia.je> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=35.82.102.206; envelope-from=c@jia.je; helo=hognose1.porkbun.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action Precedence: list Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org
Series	Add la32 & va32 support for loongarch64-softmmu \| expand [v5,00/11] Add la32 & va32 support for loongarch64-softmmu [v5,01/11] target/loongarch: Add function to check current arch [v5,02/11] target/loongarch: Add new object class for loongarch32 cpus [v5,03/11] target/loongarch: Add GDB support for loongarch32 mode [v5,04/11] target/loongarch: Support LoongArch32 TLB entry [v5,05/11] target/loongarch: Support LoongArch32 DMW [v5,06/11] target/loongarch: Support LoongArch32 VPPN [v5,07/11] target/loongarch: Add LA64 & VA32 to DisasContext [v5,08/11] target/loongarch: Reject la64-only instructions in la32 mode [v5,09/11] target/loongarch: Truncate high 32 bits of address in VA32 mode [v5,10/11] target/loongarch: Sign extend results in VA32 mode [v5,11/11] target/loongarch: Add loongarch32 cpu la132

diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index 30dd70571a..bd980790f2 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -81,7 +81,7 @@ static void loongarch_cpu_set_pc(CPUState *cs, vaddr value) LoongArchCPU *cpu = LOONGARCH_CPU(cs); CPULoongArchState *env = &cpu->env; - env->pc = value; + set_pc(env, value); } static vaddr loongarch_cpu_get_pc(CPUState *cs) @@ -168,7 +168,7 @@ static void loongarch_cpu_do_interrupt(CPUState *cs) set_DERA: env->CSR_DERA = env->pc; env->CSR_DBG = FIELD_DP64(env->CSR_DBG, CSR_DBG, DST, 1); - env->pc = env->CSR_EENTRY + 0x480; + set_pc(env, env->CSR_EENTRY + 0x480); break; case EXCCODE_INT: if (FIELD_EX64(env->CSR_DBG, CSR_DBG, DST)) { @@ -249,7 +249,8 @@ static void loongarch_cpu_do_interrupt(CPUState *cs) /* Find the highest-priority interrupt. */ vector = 31 - clz32(pending); - env->pc = env->CSR_EENTRY + (EXCCODE_EXTERNAL_INT + vector) * vec_size; + set_pc(env, env->CSR_EENTRY + \ + (EXCCODE_EXTERNAL_INT + vector) * vec_size); qemu_log_mask(CPU_LOG_INT, "%s: PC " TARGET_FMT_lx " ERA " TARGET_FMT_lx " cause %d\n" " A " TARGET_FMT_lx " D " @@ -260,10 +261,9 @@ static void loongarch_cpu_do_interrupt(CPUState *cs) env->CSR_ECFG, env->CSR_ESTAT); } else { if (tlbfill) { - env->pc = env->CSR_TLBRENTRY; + set_pc(env, env->CSR_TLBRENTRY); } else { - env->pc = env->CSR_EENTRY; - env->pc += EXCODE_MCODE(cause) * vec_size; + set_pc(env, env->CSR_EENTRY + EXCODE_MCODE(cause) * vec_size); } qemu_log_mask(CPU_LOG_INT, "%s: PC " TARGET_FMT_lx " ERA " TARGET_FMT_lx @@ -324,7 +324,7 @@ static void loongarch_cpu_synchronize_from_tb(CPUState *cs, CPULoongArchState *env = &cpu->env; tcg_debug_assert(!(cs->tcg_cflags & CF_PCREL)); - env->pc = tb->pc; + set_pc(env, tb->pc); } static void loongarch_restore_state_to_opc(CPUState *cs, @@ -334,7 +334,7 @@ static void loongarch_restore_state_to_opc(CPUState *cs, LoongArchCPU *cpu = LOONGARCH_CPU(cs); CPULoongArchState *env = &cpu->env; - env->pc = data[0]; + set_pc(env, data[0]); } #endif /* CONFIG_TCG */ diff --git a/target/loongarch/cpu.h b/target/loongarch/cpu.h index 0e02257f91..9f550793ca 100644 --- a/target/loongarch/cpu.h +++ b/target/loongarch/cpu.h @@ -442,6 +442,15 @@ static inline bool is_va32(CPULoongArchState *env) return va32; } +static inline void set_pc(CPULoongArchState *env, uint64_t value) +{ + if (is_va32(env)) { + env->pc = (uint32_t)value; + } else { + env->pc = value; + } +} + /* * LoongArch CPUs hardware flags. */ diff --git a/target/loongarch/gdbstub.c b/target/loongarch/gdbstub.c index a462e25737..e20b20f99b 100644 --- a/target/loongarch/gdbstub.c +++ b/target/loongarch/gdbstub.c @@ -77,7 +77,7 @@ int loongarch_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n) env->gpr[n] = tmp; length = read_length; } else if (n == 33) { - env->pc = tmp; + set_pc(env, tmp); length = read_length; } return length; diff --git a/target/loongarch/insn_trans/trans_atomic.c.inc b/target/loongarch/insn_trans/trans_atomic.c.inc index c69f31bc78..d90312729b 100644 --- a/target/loongarch/insn_trans/trans_atomic.c.inc +++ b/target/loongarch/insn_trans/trans_atomic.c.inc @@ -7,9 +7,8 @@ static bool gen_ll(DisasContext *ctx, arg_rr_i *a, MemOp mop) { TCGv dest = gpr_dst(ctx, a->rd, EXT_NONE); TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE); - TCGv t0 = tcg_temp_new(); + TCGv t0 = make_address_i(ctx, src1, a->imm); - tcg_gen_addi_tl(t0, src1, a->imm); tcg_gen_qemu_ld_i64(dest, t0, ctx->mem_idx, mop); tcg_gen_st_tl(t0, cpu_env, offsetof(CPULoongArchState, lladdr)); tcg_gen_st_tl(dest, cpu_env, offsetof(CPULoongArchState, llval)); @@ -62,6 +61,8 @@ static bool gen_am(DisasContext *ctx, arg_rrr *a, return false; } + addr = make_address_i(ctx, addr, 0); + func(dest, addr, val, ctx->mem_idx, mop); gen_set_gpr(a->rd, dest, EXT_NONE); diff --git a/target/loongarch/insn_trans/trans_branch.c.inc b/target/loongarch/insn_trans/trans_branch.c.inc index 29b81a9843..b63058235d 100644 --- a/target/loongarch/insn_trans/trans_branch.c.inc +++ b/target/loongarch/insn_trans/trans_branch.c.inc @@ -23,7 +23,8 @@ static bool trans_jirl(DisasContext *ctx, arg_jirl *a) TCGv dest = gpr_dst(ctx, a->rd, EXT_NONE); TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE); - tcg_gen_addi_tl(cpu_pc, src1, a->imm); + TCGv addr = make_address_i(ctx, src1, a->imm); + tcg_gen_mov_tl(cpu_pc, addr); tcg_gen_movi_tl(dest, ctx->base.pc_next + 4); gen_set_gpr(a->rd, dest, EXT_NONE); tcg_gen_lookup_and_goto_ptr(); diff --git a/target/loongarch/insn_trans/trans_fmemory.c.inc b/target/loongarch/insn_trans/trans_fmemory.c.inc index 91c09fb6d9..bd3aba2c49 100644 --- a/target/loongarch/insn_trans/trans_fmemory.c.inc +++ b/target/loongarch/insn_trans/trans_fmemory.c.inc @@ -17,11 +17,7 @@ static bool gen_fload_i(DisasContext *ctx, arg_fr_i *a, MemOp mop) CHECK_FPE; - if (a->imm) { - TCGv temp = tcg_temp_new(); - tcg_gen_addi_tl(temp, addr, a->imm); - addr = temp; - } + addr = make_address_i(ctx, addr, a->imm); tcg_gen_qemu_ld_tl(dest, addr, ctx->mem_idx, mop); maybe_nanbox_load(dest, mop); @@ -37,11 +33,7 @@ static bool gen_fstore_i(DisasContext *ctx, arg_fr_i *a, MemOp mop) CHECK_FPE; - if (a->imm) { - TCGv temp = tcg_temp_new(); - tcg_gen_addi_tl(temp, addr, a->imm); - addr = temp; - } + addr = make_address_i(ctx, addr, a->imm); tcg_gen_qemu_st_tl(src, addr, ctx->mem_idx, mop); @@ -57,8 +49,7 @@ static bool gen_floadx(DisasContext *ctx, arg_frr *a, MemOp mop) CHECK_FPE; - addr = tcg_temp_new(); - tcg_gen_add_tl(addr, src1, src2); + addr = make_address_x(ctx, src1, src2); tcg_gen_qemu_ld_tl(dest, addr, ctx->mem_idx, mop); maybe_nanbox_load(dest, mop); set_fpr(a->fd, dest); @@ -75,8 +66,7 @@ static bool gen_fstorex(DisasContext *ctx, arg_frr *a, MemOp mop) CHECK_FPE; - addr = tcg_temp_new(); - tcg_gen_add_tl(addr, src1, src2); + addr = make_address_x(ctx, src1, src2); tcg_gen_qemu_st_tl(src3, addr, ctx->mem_idx, mop); return true; @@ -91,9 +81,8 @@ static bool gen_fload_gt(DisasContext *ctx, arg_frr *a, MemOp mop) CHECK_FPE; - addr = tcg_temp_new(); gen_helper_asrtgt_d(cpu_env, src1, src2); - tcg_gen_add_tl(addr, src1, src2); + addr = make_address_x(ctx, src1, src2); tcg_gen_qemu_ld_tl(dest, addr, ctx->mem_idx, mop); maybe_nanbox_load(dest, mop); set_fpr(a->fd, dest); @@ -110,9 +99,8 @@ static bool gen_fstore_gt(DisasContext *ctx, arg_frr *a, MemOp mop) CHECK_FPE; - addr = tcg_temp_new(); gen_helper_asrtgt_d(cpu_env, src1, src2); - tcg_gen_add_tl(addr, src1, src2); + addr = make_address_x(ctx, src1, src2); tcg_gen_qemu_st_tl(src3, addr, ctx->mem_idx, mop); return true; @@ -127,9 +115,8 @@ static bool gen_fload_le(DisasContext *ctx, arg_frr *a, MemOp mop) CHECK_FPE; - addr = tcg_temp_new(); gen_helper_asrtle_d(cpu_env, src1, src2); - tcg_gen_add_tl(addr, src1, src2); + addr = make_address_x(ctx, src1, src2); tcg_gen_qemu_ld_tl(dest, addr, ctx->mem_idx, mop); maybe_nanbox_load(dest, mop); set_fpr(a->fd, dest); @@ -146,9 +133,8 @@ static bool gen_fstore_le(DisasContext *ctx, arg_frr *a, MemOp mop) CHECK_FPE; - addr = tcg_temp_new(); gen_helper_asrtle_d(cpu_env, src1, src2); - tcg_gen_add_tl(addr, src1, src2); + addr = make_address_x(ctx, src1, src2); tcg_gen_qemu_st_tl(src3, addr, ctx->mem_idx, mop); return true; diff --git a/target/loongarch/insn_trans/trans_lsx.c.inc b/target/loongarch/insn_trans/trans_lsx.c.inc index 68779daff6..50153d6d0b 100644 --- a/target/loongarch/insn_trans/trans_lsx.c.inc +++ b/target/loongarch/insn_trans/trans_lsx.c.inc @@ -4255,7 +4255,7 @@ TRANS(vextrins_d, gen_vv_i, gen_helper_vextrins_d) static bool trans_vld(DisasContext *ctx, arg_vr_i *a) { - TCGv addr, temp; + TCGv addr; TCGv_i64 rl, rh; TCGv_i128 val; @@ -4266,11 +4266,7 @@ static bool trans_vld(DisasContext *ctx, arg_vr_i *a) rl = tcg_temp_new_i64(); rh = tcg_temp_new_i64(); - if (a->imm) { - temp = tcg_temp_new(); - tcg_gen_addi_tl(temp, addr, a->imm); - addr = temp; - } + addr = make_address_i(ctx, addr, a->imm); tcg_gen_qemu_ld_i128(val, addr, ctx->mem_idx, MO_128 | MO_TE); tcg_gen_extr_i128_i64(rl, rh, val); @@ -4282,7 +4278,7 @@ static bool trans_vld(DisasContext *ctx, arg_vr_i *a) static bool trans_vst(DisasContext *ctx, arg_vr_i *a) { - TCGv addr, temp; + TCGv addr; TCGv_i128 val; TCGv_i64 ah, al; @@ -4293,11 +4289,7 @@ static bool trans_vst(DisasContext *ctx, arg_vr_i *a) ah = tcg_temp_new_i64(); al = tcg_temp_new_i64(); - if (a->imm) { - temp = tcg_temp_new(); - tcg_gen_addi_tl(temp, addr, a->imm); - addr = temp; - } + addr = make_address_i(ctx, addr, a->imm); get_vreg64(ah, a->vd, 1); get_vreg64(al, a->vd, 0); @@ -4315,14 +4307,13 @@ static bool trans_vldx(DisasContext *ctx, arg_vrr *a) CHECK_SXE; - addr = tcg_temp_new(); src1 = gpr_src(ctx, a->rj, EXT_NONE); src2 = gpr_src(ctx, a->rk, EXT_NONE); val = tcg_temp_new_i128(); rl = tcg_temp_new_i64(); rh = tcg_temp_new_i64(); - tcg_gen_add_tl(addr, src1, src2); + addr = make_address_x(ctx, src1, src2); tcg_gen_qemu_ld_i128(val, addr, ctx->mem_idx, MO_128 | MO_TE); tcg_gen_extr_i128_i64(rl, rh, val); set_vreg64(rh, a->vd, 1); @@ -4339,14 +4330,13 @@ static bool trans_vstx(DisasContext *ctx, arg_vrr *a) CHECK_SXE; - addr = tcg_temp_new(); src1 = gpr_src(ctx, a->rj, EXT_NONE); src2 = gpr_src(ctx, a->rk, EXT_NONE); val = tcg_temp_new_i128(); ah = tcg_temp_new_i64(); al = tcg_temp_new_i64(); - tcg_gen_add_tl(addr, src1, src2); + addr = make_address_x(ctx, src1, src2); get_vreg64(ah, a->vd, 1); get_vreg64(al, a->vd, 0); tcg_gen_concat_i64_i128(val, al, ah); @@ -4358,7 +4348,7 @@ static bool trans_vstx(DisasContext *ctx, arg_vrr *a) #define VLDREPL(NAME, MO) \ static bool trans_## NAME (DisasContext *ctx, arg_vr_i *a) \ { \ - TCGv addr, temp; \ + TCGv addr; \ TCGv_i64 val; \ \ CHECK_SXE; \ @@ -4366,11 +4356,7 @@ static bool trans_## NAME (DisasContext *ctx, arg_vr_i *a) \ addr = gpr_src(ctx, a->rj, EXT_NONE); \ val = tcg_temp_new_i64(); \ \ - if (a->imm) { \ - temp = tcg_temp_new(); \ - tcg_gen_addi_tl(temp, addr, a->imm); \ - addr = temp; \ - } \ + addr = make_address_i(ctx, addr, a->imm); \ \ tcg_gen_qemu_ld_i64(val, addr, ctx->mem_idx, MO); \ tcg_gen_gvec_dup_i64(MO, vec_full_offset(a->vd), 16, ctx->vl/8, val); \ @@ -4386,7 +4372,7 @@ VLDREPL(vldrepl_d, MO_64) #define VSTELM(NAME, MO, E) \ static bool trans_## NAME (DisasContext *ctx, arg_vr_ii *a) \ { \ - TCGv addr, temp; \ + TCGv addr; \ TCGv_i64 val; \ \ CHECK_SXE; \ @@ -4394,11 +4380,7 @@ static bool trans_## NAME (DisasContext *ctx, arg_vr_ii *a) \ addr = gpr_src(ctx, a->rj, EXT_NONE); \ val = tcg_temp_new_i64(); \ \ - if (a->imm) { \ - temp = tcg_temp_new(); \ - tcg_gen_addi_tl(temp, addr, a->imm); \ - addr = temp; \ - } \ + addr = make_address_i(ctx, addr, a->imm); \ \ tcg_gen_ld_i64(val, cpu_env, \ offsetof(CPULoongArchState, fpr[a->vd].vreg.E(a->imm2))); \ diff --git a/target/loongarch/insn_trans/trans_memory.c.inc b/target/loongarch/insn_trans/trans_memory.c.inc index 858c97951b..63269e52c9 100644 --- a/target/loongarch/insn_trans/trans_memory.c.inc +++ b/target/loongarch/insn_trans/trans_memory.c.inc @@ -8,11 +8,7 @@ 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); - if (a->imm) { - TCGv temp = tcg_temp_new(); - tcg_gen_addi_tl(temp, addr, a->imm); - addr = temp; - } + addr = make_address_i(ctx, addr, a->imm); tcg_gen_qemu_ld_tl(dest, addr, ctx->mem_idx, mop); gen_set_gpr(a->rd, dest, EXT_NONE); @@ -24,11 +20,7 @@ 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); - if (a->imm) { - TCGv temp = tcg_temp_new(); - tcg_gen_addi_tl(temp, addr, a->imm); - addr = temp; - } + addr = make_address_i(ctx, addr, a->imm); tcg_gen_qemu_st_tl(data, addr, ctx->mem_idx, mop); return true; @@ -39,9 +31,8 @@ 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(); + TCGv addr = make_address_x(ctx, src1, src2); - 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); @@ -53,9 +44,8 @@ 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(); + TCGv addr = make_address_x(ctx, src1, src2); - tcg_gen_add_tl(addr, src1, src2); tcg_gen_qemu_st_tl(data, addr, ctx->mem_idx, mop); return true; @@ -68,6 +58,7 @@ static bool gen_load_gt(DisasContext *ctx, arg_rrr *a, MemOp mop) TCGv src2 = gpr_src(ctx, a->rk, EXT_NONE); gen_helper_asrtgt_d(cpu_env, src1, src2); + src1 = make_address_i(ctx, src1, 0); tcg_gen_qemu_ld_tl(dest, src1, ctx->mem_idx, mop); gen_set_gpr(a->rd, dest, EXT_NONE); @@ -81,6 +72,7 @@ static bool gen_load_le(DisasContext *ctx, arg_rrr *a, MemOp mop) TCGv src2 = gpr_src(ctx, a->rk, EXT_NONE); gen_helper_asrtle_d(cpu_env, src1, src2); + src1 = make_address_i(ctx, src1, 0); tcg_gen_qemu_ld_tl(dest, src1, ctx->mem_idx, mop); gen_set_gpr(a->rd, dest, EXT_NONE); @@ -94,6 +86,7 @@ static bool gen_store_gt(DisasContext *ctx, arg_rrr *a, MemOp mop) TCGv src2 = gpr_src(ctx, a->rk, EXT_NONE); gen_helper_asrtgt_d(cpu_env, src1, src2); + src1 = make_address_i(ctx, src1, 0); tcg_gen_qemu_st_tl(data, src1, ctx->mem_idx, mop); return true; @@ -106,6 +99,7 @@ static bool gen_store_le(DisasContext *ctx, arg_rrr *a, MemOp mop) TCGv src2 = gpr_src(ctx, a->rk, EXT_NONE); gen_helper_asrtle_d(cpu_env, src1, src2); + src1 = make_address_i(ctx, src1, 0); tcg_gen_qemu_st_tl(data, src1, ctx->mem_idx, mop); return true; @@ -133,11 +127,7 @@ 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); - if (a->imm) { - TCGv temp = tcg_temp_new(); - tcg_gen_addi_tl(temp, addr, a->imm); - addr = temp; - } + addr = make_address_i(ctx, addr, a->imm); tcg_gen_qemu_ld_tl(dest, addr, ctx->mem_idx, mop); gen_set_gpr(a->rd, dest, EXT_NONE); @@ -149,11 +139,7 @@ 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); - if (a->imm) { - TCGv temp = tcg_temp_new(); - tcg_gen_addi_tl(temp, addr, a->imm); - addr = temp; - } + addr = make_address_i(ctx, addr, a->imm); tcg_gen_qemu_st_tl(data, addr, ctx->mem_idx, mop); return true; diff --git a/target/loongarch/op_helper.c b/target/loongarch/op_helper.c index 60335a05e2..cf84f20aba 100644 --- a/target/loongarch/op_helper.c +++ b/target/loongarch/op_helper.c @@ -114,14 +114,14 @@ void helper_ertn(CPULoongArchState *env) env->CSR_TLBRERA = FIELD_DP64(env->CSR_TLBRERA, CSR_TLBRERA, ISTLBR, 0); env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, DA, 0); env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, PG, 1); - env->pc = env->CSR_TLBRERA; + set_pc(env, env->CSR_TLBRERA); qemu_log_mask(CPU_LOG_INT, "%s: TLBRERA " TARGET_FMT_lx "\n", __func__, env->CSR_TLBRERA); } else { csr_pplv = FIELD_EX64(env->CSR_PRMD, CSR_PRMD, PPLV); csr_pie = FIELD_EX64(env->CSR_PRMD, CSR_PRMD, PIE); - env->pc = env->CSR_ERA; + set_pc(env, env->CSR_ERA); qemu_log_mask(CPU_LOG_INT, "%s: ERA " TARGET_FMT_lx "\n", __func__, env->CSR_ERA); } diff --git a/target/loongarch/translate.c b/target/loongarch/translate.c index ac847745df..689da19ed0 100644 --- a/target/loongarch/translate.c +++ b/target/loongarch/translate.c @@ -86,6 +86,10 @@ void generate_exception(DisasContext *ctx, int excp) static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest) { + if (ctx->va32) { + dest = (uint32_t) dest; + } + if (translator_use_goto_tb(&ctx->base, dest)) { tcg_gen_goto_tb(n); tcg_gen_movi_tl(cpu_pc, dest); @@ -208,6 +212,30 @@ static void set_fpr(int reg_num, TCGv val) offsetof(CPULoongArchState, fpr[reg_num].vreg.D(0))); } +static TCGv make_address_x(DisasContext *ctx, TCGv base, TCGv addend) +{ + TCGv temp = NULL; + + if (addend || ctx->va32) { + temp = tcg_temp_new(); + } + if (addend) { + tcg_gen_add_tl(temp, base, addend); + base = temp; + } + if (ctx->va32) { + tcg_gen_ext32u_tl(temp, base); + base = temp; + } + return base; +} + +static TCGv make_address_i(DisasContext *ctx, TCGv base, target_long ofs) +{ + TCGv addend = ofs ? tcg_constant_tl(ofs) : NULL; + return make_address_x(ctx, base, addend); +} + #include "decode-insns.c.inc" #include "insn_trans/trans_arith.c.inc" #include "insn_trans/trans_shift.c.inc" @@ -239,6 +267,10 @@ static void loongarch_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs) } ctx->base.pc_next += 4; + + if (ctx->va32) { + ctx->base.pc_next = (uint32_t)ctx->base.pc_next; + } } static void loongarch_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs)

[v5,09/11] target/loongarch: Truncate high 32 bits of address in VA32 mode

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