From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 33C65C433EF for ; Thu, 20 Jan 2022 16:39:46 +0000 (UTC) Received: from localhost ([::1]:34932 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nAaTR-000092-7d for qemu-devel@archiver.kernel.org; Thu, 20 Jan 2022 11:39:45 -0500 Received: from eggs.gnu.org ([209.51.188.92]:39674) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nAWYF-0007qJ-9x; Thu, 20 Jan 2022 07:28:27 -0500 Received: from out28-123.mail.aliyun.com ([115.124.28.123]:32823) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nAWYB-0000Bs-MT; Thu, 20 Jan 2022 07:28:26 -0500 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.07436283|-1; CH=green; DM=|CONTINUE|false|; DS=CONTINUE|ham_alarm|0.0680127-0.00242263-0.929565; FP=0|0|0|0|0|-1|-1|-1; HT=ay29a033018047208; MF=zhiwei_liu@c-sky.com; NM=1; PH=DS; RN=9; RT=8; SR=0; TI=SMTPD_---.MfwHrrd_1642681656; Received: from roman-VirtualBox.hz.ali.com(mailfrom:zhiwei_liu@c-sky.com fp:SMTPD_---.MfwHrrd_1642681656) by smtp.aliyun-inc.com(10.147.40.233); Thu, 20 Jan 2022 20:27:36 +0800 From: LIU Zhiwei To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v8 11/23] target/riscv: Create current pm fields in env Date: Thu, 20 Jan 2022 20:20:38 +0800 Message-Id: <20220120122050.41546-12-zhiwei_liu@c-sky.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220120122050.41546-1-zhiwei_liu@c-sky.com> References: <20220120122050.41546-1-zhiwei_liu@c-sky.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: none client-ip=115.124.28.123; envelope-from=zhiwei_liu@c-sky.com; helo=out28-123.mail.aliyun.com 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, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, UNPARSEABLE_RELAY=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: guoren@linux.alibaba.com, bin.meng@windriver.com, richard.henderson@linaro.org, palmer@dabbelt.com, Alistair Francis , LIU Zhiwei Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: LIU Zhiwei Reviewed-by: Alistair Francis Reviewed-by: Richard Henderson --- target/riscv/cpu.c | 1 + target/riscv/cpu.h | 4 ++++ target/riscv/cpu_helper.c | 43 +++++++++++++++++++++++++++++++++++++++ target/riscv/csr.c | 19 +++++++++++++++++ target/riscv/machine.c | 1 + 5 files changed, 68 insertions(+) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 690c879901..a120d474df 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -430,6 +430,7 @@ static void riscv_cpu_reset(DeviceState *dev) env->mmte |= (PM_EXT_INITIAL | MMTE_M_PM_CURRENT); #endif env->xl = riscv_cpu_mxl(env); + riscv_cpu_update_mask(env); cs->exception_index = RISCV_EXCP_NONE; env->load_res = -1; set_default_nan_mode(1, &env->fp_status); diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index 7657e22a56..6fe842edfd 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -266,6 +266,8 @@ struct CPURISCVState { target_ulong upmmask; target_ulong upmbase; #endif + target_ulong cur_pmmask; + target_ulong cur_pmbase; float_status fp_status; @@ -515,6 +517,8 @@ static inline uint32_t vext_get_vlmax(RISCVCPU *cpu, target_ulong vtype) void cpu_get_tb_cpu_state(CPURISCVState *env, target_ulong *pc, target_ulong *cs_base, uint32_t *pflags); +void riscv_cpu_update_mask(CPURISCVState *env); + RISCVException riscv_csrrw(CPURISCVState *env, int csrno, target_ulong *ret_value, target_ulong new_value, target_ulong write_mask); diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c index d73925a823..b239d721f4 100644 --- a/target/riscv/cpu_helper.c +++ b/target/riscv/cpu_helper.c @@ -122,6 +122,48 @@ void cpu_get_tb_cpu_state(CPURISCVState *env, target_ulong *pc, *pflags = flags; } +void riscv_cpu_update_mask(CPURISCVState *env) +{ + target_ulong mask = -1, base = 0; + /* + * TODO: Current RVJ spec does not specify + * how the extension interacts with XLEN. + */ +#ifndef CONFIG_USER_ONLY + if (riscv_has_ext(env, RVJ)) { + switch (env->priv) { + case PRV_M: + if (env->mmte & M_PM_ENABLE) { + mask = env->mpmmask; + base = env->mpmbase; + } + break; + case PRV_S: + if (env->mmte & S_PM_ENABLE) { + mask = env->spmmask; + base = env->spmbase; + } + break; + case PRV_U: + if (env->mmte & U_PM_ENABLE) { + mask = env->upmmask; + base = env->upmbase; + } + break; + default: + g_assert_not_reached(); + } + } +#endif + if (env->xl == MXL_RV32) { + env->cur_pmmask = mask & UINT32_MAX; + env->cur_pmbase = base & UINT32_MAX; + } else { + env->cur_pmmask = mask; + env->cur_pmbase = base; + } +} + #ifndef CONFIG_USER_ONLY static int riscv_cpu_local_irq_pending(CPURISCVState *env) { @@ -334,6 +376,7 @@ void riscv_cpu_set_mode(CPURISCVState *env, target_ulong newpriv) /* tlb_flush is unnecessary as mode is contained in mmu_idx */ env->priv = newpriv; env->xl = cpu_recompute_xl(env); + riscv_cpu_update_mask(env); /* * Clear the load reservation - otherwise a reservation placed in one diff --git a/target/riscv/csr.c b/target/riscv/csr.c index c00a82022e..292f7e1624 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -1607,6 +1607,7 @@ static RISCVException write_mmte(CPURISCVState *env, int csrno, /* hardwiring pm.instruction bit to 0, since it's not supported yet */ wpri_val &= ~(MMTE_M_PM_INSN | MMTE_S_PM_INSN | MMTE_U_PM_INSN); env->mmte = wpri_val | PM_EXT_DIRTY; + riscv_cpu_update_mask(env); /* Set XS and SD bits, since PM CSRs are dirty */ mstatus = env->mstatus | MSTATUS_XS; @@ -1682,6 +1683,9 @@ static RISCVException write_mpmmask(CPURISCVState *env, int csrno, uint64_t mstatus; env->mpmmask = val; + if ((env->priv == PRV_M) && (env->mmte & M_PM_ENABLE)) { + env->cur_pmmask = val; + } env->mmte |= PM_EXT_DIRTY; /* Set XS and SD bits, since PM CSRs are dirty */ @@ -1707,6 +1711,9 @@ static RISCVException write_spmmask(CPURISCVState *env, int csrno, return RISCV_EXCP_NONE; } env->spmmask = val; + if ((env->priv == PRV_S) && (env->mmte & S_PM_ENABLE)) { + env->cur_pmmask = val; + } env->mmte |= PM_EXT_DIRTY; /* Set XS and SD bits, since PM CSRs are dirty */ @@ -1732,6 +1739,9 @@ static RISCVException write_upmmask(CPURISCVState *env, int csrno, return RISCV_EXCP_NONE; } env->upmmask = val; + if ((env->priv == PRV_U) && (env->mmte & U_PM_ENABLE)) { + env->cur_pmmask = val; + } env->mmte |= PM_EXT_DIRTY; /* Set XS and SD bits, since PM CSRs are dirty */ @@ -1753,6 +1763,9 @@ static RISCVException write_mpmbase(CPURISCVState *env, int csrno, uint64_t mstatus; env->mpmbase = val; + if ((env->priv == PRV_M) && (env->mmte & M_PM_ENABLE)) { + env->cur_pmbase = val; + } env->mmte |= PM_EXT_DIRTY; /* Set XS and SD bits, since PM CSRs are dirty */ @@ -1778,6 +1791,9 @@ static RISCVException write_spmbase(CPURISCVState *env, int csrno, return RISCV_EXCP_NONE; } env->spmbase = val; + if ((env->priv == PRV_S) && (env->mmte & S_PM_ENABLE)) { + env->cur_pmbase = val; + } env->mmte |= PM_EXT_DIRTY; /* Set XS and SD bits, since PM CSRs are dirty */ @@ -1803,6 +1819,9 @@ static RISCVException write_upmbase(CPURISCVState *env, int csrno, return RISCV_EXCP_NONE; } env->upmbase = val; + if ((env->priv == PRV_U) && (env->mmte & U_PM_ENABLE)) { + env->cur_pmbase = val; + } env->mmte |= PM_EXT_DIRTY; /* Set XS and SD bits, since PM CSRs are dirty */ diff --git a/target/riscv/machine.c b/target/riscv/machine.c index b76e4db99c..a4b7859c2a 100644 --- a/target/riscv/machine.c +++ b/target/riscv/machine.c @@ -220,6 +220,7 @@ static int riscv_cpu_post_load(void *opaque, int version_id) CPURISCVState *env = &cpu->env; env->xl = cpu_recompute_xl(env); + riscv_cpu_update_mask(env); return 0; } -- 2.25.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from list by lists.gnu.org with archive (Exim 4.90_1) id 1nAWYH-0007xe-Gl for mharc-qemu-riscv@gnu.org; Thu, 20 Jan 2022 07:28:29 -0500 Received: from eggs.gnu.org ([209.51.188.92]:39674) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nAWYF-0007qJ-9x; Thu, 20 Jan 2022 07:28:27 -0500 Received: from out28-123.mail.aliyun.com ([115.124.28.123]:32823) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nAWYB-0000Bs-MT; Thu, 20 Jan 2022 07:28:26 -0500 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.07436283|-1; CH=green; DM=|CONTINUE|false|; DS=CONTINUE|ham_alarm|0.0680127-0.00242263-0.929565; FP=0|0|0|0|0|-1|-1|-1; HT=ay29a033018047208; MF=zhiwei_liu@c-sky.com; NM=1; PH=DS; RN=9; RT=8; SR=0; TI=SMTPD_---.MfwHrrd_1642681656; Received: from roman-VirtualBox.hz.ali.com(mailfrom:zhiwei_liu@c-sky.com fp:SMTPD_---.MfwHrrd_1642681656) by smtp.aliyun-inc.com(10.147.40.233); Thu, 20 Jan 2022 20:27:36 +0800 From: LIU Zhiwei To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Cc: Alistair.Francis@wdc.com, palmer@dabbelt.com, bin.meng@windriver.com, richard.henderson@linaro.org, guoren@linux.alibaba.com, LIU Zhiwei , Alistair Francis Subject: [PATCH v8 11/23] target/riscv: Create current pm fields in env Date: Thu, 20 Jan 2022 20:20:38 +0800 Message-Id: <20220120122050.41546-12-zhiwei_liu@c-sky.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220120122050.41546-1-zhiwei_liu@c-sky.com> References: <20220120122050.41546-1-zhiwei_liu@c-sky.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: none client-ip=115.124.28.123; envelope-from=zhiwei_liu@c-sky.com; helo=out28-123.mail.aliyun.com 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, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, UNPARSEABLE_RELAY=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-riscv@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 20 Jan 2022 12:28:27 -0000 Signed-off-by: LIU Zhiwei Reviewed-by: Alistair Francis Reviewed-by: Richard Henderson --- target/riscv/cpu.c | 1 + target/riscv/cpu.h | 4 ++++ target/riscv/cpu_helper.c | 43 +++++++++++++++++++++++++++++++++++++++ target/riscv/csr.c | 19 +++++++++++++++++ target/riscv/machine.c | 1 + 5 files changed, 68 insertions(+) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 690c879901..a120d474df 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -430,6 +430,7 @@ static void riscv_cpu_reset(DeviceState *dev) env->mmte |= (PM_EXT_INITIAL | MMTE_M_PM_CURRENT); #endif env->xl = riscv_cpu_mxl(env); + riscv_cpu_update_mask(env); cs->exception_index = RISCV_EXCP_NONE; env->load_res = -1; set_default_nan_mode(1, &env->fp_status); diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index 7657e22a56..6fe842edfd 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -266,6 +266,8 @@ struct CPURISCVState { target_ulong upmmask; target_ulong upmbase; #endif + target_ulong cur_pmmask; + target_ulong cur_pmbase; float_status fp_status; @@ -515,6 +517,8 @@ static inline uint32_t vext_get_vlmax(RISCVCPU *cpu, target_ulong vtype) void cpu_get_tb_cpu_state(CPURISCVState *env, target_ulong *pc, target_ulong *cs_base, uint32_t *pflags); +void riscv_cpu_update_mask(CPURISCVState *env); + RISCVException riscv_csrrw(CPURISCVState *env, int csrno, target_ulong *ret_value, target_ulong new_value, target_ulong write_mask); diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c index d73925a823..b239d721f4 100644 --- a/target/riscv/cpu_helper.c +++ b/target/riscv/cpu_helper.c @@ -122,6 +122,48 @@ void cpu_get_tb_cpu_state(CPURISCVState *env, target_ulong *pc, *pflags = flags; } +void riscv_cpu_update_mask(CPURISCVState *env) +{ + target_ulong mask = -1, base = 0; + /* + * TODO: Current RVJ spec does not specify + * how the extension interacts with XLEN. + */ +#ifndef CONFIG_USER_ONLY + if (riscv_has_ext(env, RVJ)) { + switch (env->priv) { + case PRV_M: + if (env->mmte & M_PM_ENABLE) { + mask = env->mpmmask; + base = env->mpmbase; + } + break; + case PRV_S: + if (env->mmte & S_PM_ENABLE) { + mask = env->spmmask; + base = env->spmbase; + } + break; + case PRV_U: + if (env->mmte & U_PM_ENABLE) { + mask = env->upmmask; + base = env->upmbase; + } + break; + default: + g_assert_not_reached(); + } + } +#endif + if (env->xl == MXL_RV32) { + env->cur_pmmask = mask & UINT32_MAX; + env->cur_pmbase = base & UINT32_MAX; + } else { + env->cur_pmmask = mask; + env->cur_pmbase = base; + } +} + #ifndef CONFIG_USER_ONLY static int riscv_cpu_local_irq_pending(CPURISCVState *env) { @@ -334,6 +376,7 @@ void riscv_cpu_set_mode(CPURISCVState *env, target_ulong newpriv) /* tlb_flush is unnecessary as mode is contained in mmu_idx */ env->priv = newpriv; env->xl = cpu_recompute_xl(env); + riscv_cpu_update_mask(env); /* * Clear the load reservation - otherwise a reservation placed in one diff --git a/target/riscv/csr.c b/target/riscv/csr.c index c00a82022e..292f7e1624 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -1607,6 +1607,7 @@ static RISCVException write_mmte(CPURISCVState *env, int csrno, /* hardwiring pm.instruction bit to 0, since it's not supported yet */ wpri_val &= ~(MMTE_M_PM_INSN | MMTE_S_PM_INSN | MMTE_U_PM_INSN); env->mmte = wpri_val | PM_EXT_DIRTY; + riscv_cpu_update_mask(env); /* Set XS and SD bits, since PM CSRs are dirty */ mstatus = env->mstatus | MSTATUS_XS; @@ -1682,6 +1683,9 @@ static RISCVException write_mpmmask(CPURISCVState *env, int csrno, uint64_t mstatus; env->mpmmask = val; + if ((env->priv == PRV_M) && (env->mmte & M_PM_ENABLE)) { + env->cur_pmmask = val; + } env->mmte |= PM_EXT_DIRTY; /* Set XS and SD bits, since PM CSRs are dirty */ @@ -1707,6 +1711,9 @@ static RISCVException write_spmmask(CPURISCVState *env, int csrno, return RISCV_EXCP_NONE; } env->spmmask = val; + if ((env->priv == PRV_S) && (env->mmte & S_PM_ENABLE)) { + env->cur_pmmask = val; + } env->mmte |= PM_EXT_DIRTY; /* Set XS and SD bits, since PM CSRs are dirty */ @@ -1732,6 +1739,9 @@ static RISCVException write_upmmask(CPURISCVState *env, int csrno, return RISCV_EXCP_NONE; } env->upmmask = val; + if ((env->priv == PRV_U) && (env->mmte & U_PM_ENABLE)) { + env->cur_pmmask = val; + } env->mmte |= PM_EXT_DIRTY; /* Set XS and SD bits, since PM CSRs are dirty */ @@ -1753,6 +1763,9 @@ static RISCVException write_mpmbase(CPURISCVState *env, int csrno, uint64_t mstatus; env->mpmbase = val; + if ((env->priv == PRV_M) && (env->mmte & M_PM_ENABLE)) { + env->cur_pmbase = val; + } env->mmte |= PM_EXT_DIRTY; /* Set XS and SD bits, since PM CSRs are dirty */ @@ -1778,6 +1791,9 @@ static RISCVException write_spmbase(CPURISCVState *env, int csrno, return RISCV_EXCP_NONE; } env->spmbase = val; + if ((env->priv == PRV_S) && (env->mmte & S_PM_ENABLE)) { + env->cur_pmbase = val; + } env->mmte |= PM_EXT_DIRTY; /* Set XS and SD bits, since PM CSRs are dirty */ @@ -1803,6 +1819,9 @@ static RISCVException write_upmbase(CPURISCVState *env, int csrno, return RISCV_EXCP_NONE; } env->upmbase = val; + if ((env->priv == PRV_U) && (env->mmte & U_PM_ENABLE)) { + env->cur_pmbase = val; + } env->mmte |= PM_EXT_DIRTY; /* Set XS and SD bits, since PM CSRs are dirty */ diff --git a/target/riscv/machine.c b/target/riscv/machine.c index b76e4db99c..a4b7859c2a 100644 --- a/target/riscv/machine.c +++ b/target/riscv/machine.c @@ -220,6 +220,7 @@ static int riscv_cpu_post_load(void *opaque, int version_id) CPURISCVState *env = &cpu->env; env->xl = cpu_recompute_xl(env); + riscv_cpu_update_mask(env); return 0; } -- 2.25.1