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GET /api/patches/2225623/?format=api
{ "id": 2225623, "url": "http://patchwork.ozlabs.org/api/patches/2225623/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260421093715.2995067-7-frank.chang@sifive.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260421093715.2995067-7-frank.chang@sifive.com>", "list_archive_url": null, "date": "2026-04-21T09:37:15", "name": "[v4,6/6] target/riscv: Fix pointer masking translation mode check bug", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "dd1642c75fe41c65cf374ad454d0c45d2d0a6cd0", "submitter": { "id": 79604, "url": "http://patchwork.ozlabs.org/api/people/79604/?format=api", "name": "Frank Chang", "email": "frank.chang@sifive.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260421093715.2995067-7-frank.chang@sifive.com/mbox/", "series": [ { "id": 500769, "url": "http://patchwork.ozlabs.org/api/series/500769/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=500769", "date": "2026-04-21T09:37:09", "name": "Fix Zjpm implementation", "version": 4, "mbox": "http://patchwork.ozlabs.org/series/500769/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2225623/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2225623/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=sifive.com header.i=@sifive.com header.a=rsa-sha256\n header.s=google header.b=lnhmGP9x;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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charset=UTF-8", "Content-Transfer-Encoding": "8bit", "Received-SPF": "pass client-ip=2607:f8b0:4864:20::42e;\n envelope-from=frank.chang@sifive.com; helo=mail-pf1-x42e.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,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=ham autolearn_force=no", "X-Spam_action": "no action", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "qemu development <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "From: Frank Chang <frank.chang@sifive.com>\n\nWhen running with virtualization in VS/VU mode, or when executing the\nvirtual-machine load/store instructions (HLV.* and HSV.*), the type of\naddress that determines which pointer masking rules apply should be\nchecked against vsatp rather than satp.\n\nAs a result, sign extension also applies to the virtual-machine\nload/store instructions.\n\nSigned-off-by: Frank Chang <frank.chang@sifive.com>\nReviewed-by: Radim Krčmář <rkrcmar@ventanamicro.com>\n---\n target/riscv/cpu.h | 2 +-\n target/riscv/cpu_helper.c | 19 +++++++++++++++----\n target/riscv/internals.h | 4 +---\n target/riscv/tcg/tcg-cpu.c | 4 ++--\n 4 files changed, 19 insertions(+), 10 deletions(-)", "diff": "diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h\nindex 138183e017c..81c41e34296 100644\n--- a/target/riscv/cpu.h\n+++ b/target/riscv/cpu.h\n@@ -888,7 +888,7 @@ static inline uint32_t vext_get_vlmax(uint32_t vlenb, uint32_t vsew,\n \n bool riscv_cpu_is_32bit(RISCVCPU *cpu);\n \n-bool riscv_cpu_virt_mem_enabled(CPURISCVState *env);\n+bool riscv_cpu_virt_mem_enabled(CPURISCVState *env, bool is_vm_ldst);\n RISCVPmPmm riscv_pm_get_pmm(CPURISCVState *env);\n RISCVPmPmm riscv_pm_get_vm_ldst_pmm(CPURISCVState *env);\n uint32_t riscv_pm_get_pmlen(RISCVPmPmm pmm);\ndiff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c\nindex ef1ff7cb0bd..39c3486ae0f 100644\n--- a/target/riscv/cpu_helper.c\n+++ b/target/riscv/cpu_helper.c\n@@ -240,16 +240,27 @@ RISCVPmPmm riscv_pm_get_vm_ldst_pmm(CPURISCVState *env)\n #endif\n }\n \n-bool riscv_cpu_virt_mem_enabled(CPURISCVState *env)\n+bool riscv_cpu_virt_mem_enabled(CPURISCVState *env, bool is_vm_ldst)\n {\n #ifndef CONFIG_USER_ONLY\n int satp_mode = 0;\n- int priv_mode = cpu_address_mode(env);\n+ uint64_t satp;\n+ int priv_mode;\n+ bool virt = false;\n+\n+ if (!is_vm_ldst) {\n+ riscv_cpu_eff_priv(env, &priv_mode, &virt);\n+ } else {\n+ priv_mode = get_field(env->hstatus, HSTATUS_SPVP);\n+ virt = true;\n+ }\n+\n+ satp = virt ? env->vsatp : env->satp;\n \n if (riscv_cpu_mxl(env) == MXL_RV32) {\n- satp_mode = get_field(env->satp, SATP32_MODE);\n+ satp_mode = get_field(satp, SATP32_MODE);\n } else {\n- satp_mode = get_field(env->satp, SATP64_MODE);\n+ satp_mode = get_field(satp, SATP64_MODE);\n }\n \n return ((satp_mode != VM_1_10_MBARE) && (priv_mode != PRV_M));\ndiff --git a/target/riscv/internals.h b/target/riscv/internals.h\nindex 82d24f433dc..683bb3bce3e 100644\n--- a/target/riscv/internals.h\n+++ b/target/riscv/internals.h\n@@ -213,9 +213,7 @@ static inline target_ulong adjust_addr_body(CPURISCVState *env,\n return addr;\n }\n \n- if (!is_virt_addr) {\n- signext = riscv_cpu_virt_mem_enabled(env);\n- }\n+ signext = riscv_cpu_virt_mem_enabled(env, is_virt_addr);\n pmlen = riscv_pm_get_pmlen(pmm);\n addr = addr << pmlen;\n \ndiff --git a/target/riscv/tcg/tcg-cpu.c b/target/riscv/tcg/tcg-cpu.c\nindex f3f78088956..02c98cc2dbb 100644\n--- a/target/riscv/tcg/tcg-cpu.c\n+++ b/target/riscv/tcg/tcg-cpu.c\n@@ -105,7 +105,7 @@ static TCGTBCPUState riscv_get_tb_cpu_state(CPUState *cs)\n RISCVExtStatus fs, vs;\n uint32_t flags = 0;\n uint64_t ext_flags = 0;\n- bool pm_signext = riscv_cpu_virt_mem_enabled(env);\n+ bool pm_signext = riscv_cpu_virt_mem_enabled(env, false);\n \n if (cpu->cfg.ext_zve32x) {\n /*\n@@ -260,7 +260,7 @@ static vaddr riscv_pointer_wrap(CPUState *cs, int mmu_idx,\n return result;\n }\n \n- pm_signext = riscv_cpu_virt_mem_enabled(env);\n+ pm_signext = riscv_cpu_virt_mem_enabled(env, false);\n if (pm_signext) {\n return sextract64(result, 0, 64 - pm_len);\n }\n", "prefixes": [ "v4", "6/6" ] }