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[209.51.188.17]) by mx.google.com with ESMTPS id k17si18193256oof.79.2021.10.19.08.51.20 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Tue, 19 Oct 2021 08:51:20 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=fail header.i=@linaro.org header.s=google header.b=SRsnxb5i; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from localhost ([::1]:51450 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mcrOZ-0001Ax-SC for patch@linaro.org; Tue, 19 Oct 2021 11:51:19 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54244) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mcqyu-0004qn-Vv for qemu-devel@nongnu.org; Tue, 19 Oct 2021 11:24:49 -0400 Received: from mail-pl1-x62d.google.com ([2607:f8b0:4864:20::62d]:45742) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mcqyq-0007VR-1J for qemu-devel@nongnu.org; Tue, 19 Oct 2021 11:24:48 -0400 Received: by mail-pl1-x62d.google.com with SMTP id s1so12086156plg.12 for ; Tue, 19 Oct 2021 08:24:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=X6q/MRbAFAFtB483mpgrCV5jJyP32WJZt950gYxzILo=; b=SRsnxb5iF0BSs6dxcmpsuQ+Wgm0j8uxsC1Ivfi49Z2KRo878yLfXm09AyujgCDmL3/ Cob0TBzpMmJ40vvAT4KaHi4v+8bp9HRYIqhD3QgbkyF1gA5+DKT3i2vzcyD2iJ8cuGFd /7rIiWRDz41DObS0XbQ0U1gCTph6YviHqRPbjcNM8yWo7+Gb2iCaUqvM/zsWPMC/Di1J q+QVbTpBr2lkX+qXlzs9KG2ZIR95sO91zgL35X4JMHL9i6wmhtgR7i4oRcfOVa/L2ZPt 4p8SEgK4BemjwdPJpXo7ZRBlN+oG9umHvRg0ieHsW/C3Aac8X6YfgjWWMrcIqkvAO3Dt TtuQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=X6q/MRbAFAFtB483mpgrCV5jJyP32WJZt950gYxzILo=; b=29e8UMdFzjB4dKwb+8kF6w3GwNadV0SO1xsxTSvPdFWLEvbWeZdC1N7L90w8tv/5T3 0KFkOlDeOEJbWLM4UOzhSa7Plbofsxz+eQiCF6j5/Ap//EWPrKjDeVR7NSodPlDysNPE 2+FtLfGYrE4euhcS+s1bt/KzF1pCFdKKRjxD2up1qfNht7nzytus0mNnj6/RKthXpc1w ILVUGa2rSYJ9BUNEq4UMr82d/Nm23PrVQcBNGiHPovt+PZgizOCICxmzDNjiflxymWBz OUym2MEab/o2Psmi2No/5c/cXKACd+30NGo15RbnYsMvbIuaotTxi6kyZMmiUKdbaIcO S3tw== X-Gm-Message-State: AOAM532foZKnxtFNC++BDNcPjSgOMdEqcwiwzeXvl7BTmo2TmTZMVDkg M9Qv/r9zuNqqMqeGaNCCplL/6hxEX8u+nA== X-Received: by 2002:a17:902:da83:b0:13f:704:d731 with SMTP id j3-20020a170902da8300b0013f0704d731mr33578161plx.77.1634657082588; Tue, 19 Oct 2021 08:24:42 -0700 (PDT) Received: from localhost.localdomain ([71.212.134.125]) by smtp.gmail.com with ESMTPSA id i2sm3293814pjt.19.2021.10.19.08.24.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Oct 2021 08:24:42 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v5 04/16] target/riscv: Replace riscv_cpu_is_32bit with riscv_cpu_mxl Date: Tue, 19 Oct 2021 08:24:26 -0700 Message-Id: <20211019152438.269077-5-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211019152438.269077-1-richard.henderson@linaro.org> References: <20211019152438.269077-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::62d; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62d.google.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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alistair.francis@wdc.com, qemu-riscv@nongnu.org, zhiwei_liu@c-sky.com Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" Shortly, the set of supported XL will not be just 32 and 64, and representing that properly using the enumeration will be imperative. Two places, booting and gdb, intentionally use misa_mxl_max to emphasize the use of the reset value of misa.mxl, and not the current cpu state. Reviewed-by: LIU Zhiwei Reviewed-by: Alistair Francis Signed-off-by: Richard Henderson --- target/riscv/cpu.h | 9 ++++++++- hw/riscv/boot.c | 2 +- semihosting/arm-compat-semi.c | 2 +- target/riscv/cpu.c | 24 ++++++++++++++---------- target/riscv/cpu_helper.c | 12 ++++++------ target/riscv/csr.c | 24 ++++++++++++------------ target/riscv/gdbstub.c | 2 +- target/riscv/monitor.c | 4 ++-- 8 files changed, 45 insertions(+), 34 deletions(-) -- 2.25.1 diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index e708fcc168..d0e82135a9 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -396,7 +396,14 @@ FIELD(TB_FLAGS, VILL, 8, 1) FIELD(TB_FLAGS, HLSX, 9, 1) FIELD(TB_FLAGS, MSTATUS_HS_FS, 10, 2) -bool riscv_cpu_is_32bit(CPURISCVState *env); +#ifdef TARGET_RISCV32 +#define riscv_cpu_mxl(env) ((void)(env), MXL_RV32) +#else +static inline RISCVMXL riscv_cpu_mxl(CPURISCVState *env) +{ + return env->misa_mxl; +} +#endif /* * A simplification for VLMAX diff --git a/hw/riscv/boot.c b/hw/riscv/boot.c index 993bf89064..d1ffc7b56c 100644 --- a/hw/riscv/boot.c +++ b/hw/riscv/boot.c @@ -35,7 +35,7 @@ bool riscv_is_32bit(RISCVHartArrayState *harts) { - return riscv_cpu_is_32bit(&harts->harts[0].env); + return harts->harts[0].env.misa_mxl_max == MXL_RV32; } target_ulong riscv_calc_kernel_start_addr(RISCVHartArrayState *harts, diff --git a/semihosting/arm-compat-semi.c b/semihosting/arm-compat-semi.c index 01badea99c..37963becae 100644 --- a/semihosting/arm-compat-semi.c +++ b/semihosting/arm-compat-semi.c @@ -775,7 +775,7 @@ static inline bool is_64bit_semihosting(CPUArchState *env) #if defined(TARGET_ARM) return is_a64(env); #elif defined(TARGET_RISCV) - return !riscv_cpu_is_32bit(env); + return riscv_cpu_mxl(env) != MXL_RV32; #else #error un-handled architecture #endif diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index fdf031a394..1857670a69 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -108,11 +108,6 @@ const char *riscv_cpu_get_trap_name(target_ulong cause, bool async) } } -bool riscv_cpu_is_32bit(CPURISCVState *env) -{ - return env->misa_mxl == MXL_RV32; -} - static void set_misa(CPURISCVState *env, RISCVMXL mxl, uint32_t ext) { env->misa_mxl_max = env->misa_mxl = mxl; @@ -249,7 +244,7 @@ static void riscv_cpu_dump_state(CPUState *cs, FILE *f, int flags) #ifndef CONFIG_USER_ONLY qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mhartid ", env->mhartid); qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mstatus ", (target_ulong)env->mstatus); - if (riscv_cpu_is_32bit(env)) { + if (riscv_cpu_mxl(env) == MXL_RV32) { qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mstatush ", (target_ulong)(env->mstatus >> 32)); } @@ -372,10 +367,16 @@ static void riscv_cpu_reset(DeviceState *dev) static void riscv_cpu_disas_set_info(CPUState *s, disassemble_info *info) { RISCVCPU *cpu = RISCV_CPU(s); - if (riscv_cpu_is_32bit(&cpu->env)) { + + switch (riscv_cpu_mxl(&cpu->env)) { + case MXL_RV32: info->print_insn = print_insn_riscv32; - } else { + break; + case MXL_RV64: info->print_insn = print_insn_riscv64; + break; + default: + g_assert_not_reached(); } } @@ -631,10 +632,13 @@ static gchar *riscv_gdb_arch_name(CPUState *cs) RISCVCPU *cpu = RISCV_CPU(cs); CPURISCVState *env = &cpu->env; - if (riscv_cpu_is_32bit(env)) { + switch (riscv_cpu_mxl(env)) { + case MXL_RV32: return g_strdup("riscv:rv32"); - } else { + case MXL_RV64: return g_strdup("riscv:rv64"); + default: + g_assert_not_reached(); } } diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c index 14d1d3cb72..403f54171d 100644 --- a/target/riscv/cpu_helper.c +++ b/target/riscv/cpu_helper.c @@ -152,7 +152,7 @@ bool riscv_cpu_fp_enabled(CPURISCVState *env) void riscv_cpu_swap_hypervisor_regs(CPURISCVState *env) { - uint64_t sd = riscv_cpu_is_32bit(env) ? MSTATUS32_SD : MSTATUS64_SD; + uint64_t sd = riscv_cpu_mxl(env) == MXL_RV32 ? MSTATUS32_SD : MSTATUS64_SD; uint64_t mstatus_mask = MSTATUS_MXR | MSTATUS_SUM | MSTATUS_FS | MSTATUS_SPP | MSTATUS_SPIE | MSTATUS_SIE | MSTATUS64_UXL | sd; @@ -447,7 +447,7 @@ static int get_physical_address(CPURISCVState *env, hwaddr *physical, if (first_stage == true) { if (use_background) { - if (riscv_cpu_is_32bit(env)) { + if (riscv_cpu_mxl(env) == MXL_RV32) { base = (hwaddr)get_field(env->vsatp, SATP32_PPN) << PGSHIFT; vm = get_field(env->vsatp, SATP32_MODE); } else { @@ -455,7 +455,7 @@ static int get_physical_address(CPURISCVState *env, hwaddr *physical, vm = get_field(env->vsatp, SATP64_MODE); } } else { - if (riscv_cpu_is_32bit(env)) { + if (riscv_cpu_mxl(env) == MXL_RV32) { base = (hwaddr)get_field(env->satp, SATP32_PPN) << PGSHIFT; vm = get_field(env->satp, SATP32_MODE); } else { @@ -465,7 +465,7 @@ static int get_physical_address(CPURISCVState *env, hwaddr *physical, } widened = 0; } else { - if (riscv_cpu_is_32bit(env)) { + if (riscv_cpu_mxl(env) == MXL_RV32) { base = (hwaddr)get_field(env->hgatp, SATP32_PPN) << PGSHIFT; vm = get_field(env->hgatp, SATP32_MODE); } else { @@ -558,7 +558,7 @@ restart: } target_ulong pte; - if (riscv_cpu_is_32bit(env)) { + if (riscv_cpu_mxl(env) == MXL_RV32) { pte = address_space_ldl(cs->as, pte_addr, attrs, &res); } else { pte = address_space_ldq(cs->as, pte_addr, attrs, &res); @@ -678,7 +678,7 @@ static void raise_mmu_exception(CPURISCVState *env, target_ulong address, int page_fault_exceptions, vm; uint64_t stap_mode; - if (riscv_cpu_is_32bit(env)) { + if (riscv_cpu_mxl(env) == MXL_RV32) { stap_mode = SATP32_MODE; } else { stap_mode = SATP64_MODE; diff --git a/target/riscv/csr.c b/target/riscv/csr.c index d0c86a300d..9c0753bc8b 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -95,7 +95,7 @@ static RISCVException ctr(CPURISCVState *env, int csrno) } break; } - if (riscv_cpu_is_32bit(env)) { + if (riscv_cpu_mxl(env) == MXL_RV32) { switch (csrno) { case CSR_CYCLEH: if (!get_field(env->hcounteren, COUNTEREN_CY) && @@ -130,7 +130,7 @@ static RISCVException ctr(CPURISCVState *env, int csrno) static RISCVException ctr32(CPURISCVState *env, int csrno) { - if (!riscv_cpu_is_32bit(env)) { + if (riscv_cpu_mxl(env) != MXL_RV32) { return RISCV_EXCP_ILLEGAL_INST; } @@ -145,7 +145,7 @@ static RISCVException any(CPURISCVState *env, int csrno) static RISCVException any32(CPURISCVState *env, int csrno) { - if (!riscv_cpu_is_32bit(env)) { + if (riscv_cpu_mxl(env) != MXL_RV32) { return RISCV_EXCP_ILLEGAL_INST; } @@ -180,7 +180,7 @@ static RISCVException hmode(CPURISCVState *env, int csrno) static RISCVException hmode32(CPURISCVState *env, int csrno) { - if (!riscv_cpu_is_32bit(env)) { + if (riscv_cpu_mxl(env) != MXL_RV32) { if (riscv_cpu_virt_enabled(env)) { return RISCV_EXCP_ILLEGAL_INST; } else { @@ -486,7 +486,7 @@ static RISCVException read_mstatus(CPURISCVState *env, int csrno, static int validate_vm(CPURISCVState *env, target_ulong vm) { - if (riscv_cpu_is_32bit(env)) { + if (riscv_cpu_mxl(env) == MXL_RV32) { return valid_vm_1_10_32[vm & 0xf]; } else { return valid_vm_1_10_64[vm & 0xf]; @@ -510,7 +510,7 @@ static RISCVException write_mstatus(CPURISCVState *env, int csrno, MSTATUS_MPP | MSTATUS_MXR | MSTATUS_TVM | MSTATUS_TSR | MSTATUS_TW; - if (!riscv_cpu_is_32bit(env)) { + if (riscv_cpu_mxl(env) != MXL_RV32) { /* * RV32: MPV and GVA are not in mstatus. The current plan is to * add them to mstatush. For now, we just don't support it. @@ -522,7 +522,7 @@ static RISCVException write_mstatus(CPURISCVState *env, int csrno, dirty = ((mstatus & MSTATUS_FS) == MSTATUS_FS) | ((mstatus & MSTATUS_XS) == MSTATUS_XS); - if (riscv_cpu_is_32bit(env)) { + if (riscv_cpu_mxl(env) == MXL_RV32) { mstatus = set_field(mstatus, MSTATUS32_SD, dirty); } else { mstatus = set_field(mstatus, MSTATUS64_SD, dirty); @@ -795,7 +795,7 @@ static RISCVException read_sstatus(CPURISCVState *env, int csrno, { target_ulong mask = (sstatus_v1_10_mask); - if (riscv_cpu_is_32bit(env)) { + if (riscv_cpu_mxl(env) == MXL_RV32) { mask |= SSTATUS32_SD; } else { mask |= SSTATUS64_SD; @@ -1006,7 +1006,7 @@ static RISCVException write_satp(CPURISCVState *env, int csrno, return RISCV_EXCP_NONE; } - if (riscv_cpu_is_32bit(env)) { + if (riscv_cpu_mxl(env) == MXL_RV32) { vm = validate_vm(env, get_field(val, SATP32_MODE)); mask = (val ^ env->satp) & (SATP32_MODE | SATP32_ASID | SATP32_PPN); asid = (val ^ env->satp) & SATP32_ASID; @@ -1034,7 +1034,7 @@ static RISCVException read_hstatus(CPURISCVState *env, int csrno, target_ulong *val) { *val = env->hstatus; - if (!riscv_cpu_is_32bit(env)) { + if (riscv_cpu_mxl(env) != MXL_RV32) { /* We only support 64-bit VSXL */ *val = set_field(*val, HSTATUS_VSXL, 2); } @@ -1047,7 +1047,7 @@ static RISCVException write_hstatus(CPURISCVState *env, int csrno, target_ulong val) { env->hstatus = val; - if (!riscv_cpu_is_32bit(env) && get_field(val, HSTATUS_VSXL) != 2) { + if (riscv_cpu_mxl(env) != MXL_RV32 && get_field(val, HSTATUS_VSXL) != 2) { qemu_log_mask(LOG_UNIMP, "QEMU does not support mixed HSXLEN options."); } if (get_field(val, HSTATUS_VSBE) != 0) { @@ -1215,7 +1215,7 @@ static RISCVException write_htimedelta(CPURISCVState *env, int csrno, return RISCV_EXCP_ILLEGAL_INST; } - if (riscv_cpu_is_32bit(env)) { + if (riscv_cpu_mxl(env) == MXL_RV32) { env->htimedelta = deposit64(env->htimedelta, 0, 32, (uint64_t)val); } else { env->htimedelta = val; diff --git a/target/riscv/gdbstub.c b/target/riscv/gdbstub.c index 5257df0217..23429179e2 100644 --- a/target/riscv/gdbstub.c +++ b/target/riscv/gdbstub.c @@ -161,7 +161,7 @@ static int riscv_gen_dynamic_csr_xml(CPUState *cs, int base_reg) CPURISCVState *env = &cpu->env; GString *s = g_string_new(NULL); riscv_csr_predicate_fn predicate; - int bitsize = riscv_cpu_is_32bit(env) ? 32 : 64; + int bitsize = 16 << env->misa_mxl_max; int i; g_string_printf(s, ""); diff --git a/target/riscv/monitor.c b/target/riscv/monitor.c index f7e6ea72b3..7efb4b62c1 100644 --- a/target/riscv/monitor.c +++ b/target/riscv/monitor.c @@ -150,7 +150,7 @@ static void mem_info_svxx(Monitor *mon, CPUArchState *env) target_ulong last_size; int last_attr; - if (riscv_cpu_is_32bit(env)) { + if (riscv_cpu_mxl(env) == MXL_RV32) { base = (hwaddr)get_field(env->satp, SATP32_PPN) << PGSHIFT; vm = get_field(env->satp, SATP32_MODE); } else { @@ -220,7 +220,7 @@ void hmp_info_mem(Monitor *mon, const QDict *qdict) return; } - if (riscv_cpu_is_32bit(env)) { + if (riscv_cpu_mxl(env) == MXL_RV32) { if (!(env->satp & SATP32_MODE)) { monitor_printf(mon, "No translation or protection\n"); return;