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Fri, 08 Aug 2025 04:30:33 -0700 (PDT) From: Manos Pitsidianakis Date: Fri, 08 Aug 2025 14:30:16 +0300 Subject: [PATCH 4/4] gdbstub/aarch64: add SPSel register MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250808-gdbstub-aarch64-pstate-regs-v1-4-14ba70be1b3d@linaro.org> References: <20250808-gdbstub-aarch64-pstate-regs-v1-0-14ba70be1b3d@linaro.org> In-Reply-To: <20250808-gdbstub-aarch64-pstate-regs-v1-0-14ba70be1b3d@linaro.org> To: qemu-devel@nongnu.org Cc: =?utf-8?q?Alex_Benn=C3=A9e?= , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Peter Maydell , Pierrick Bouvier , Gustavo Romero , Richard Henderson , qemu-arm@nongnu.org, Manos Pitsidianakis X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1712; i=manos.pitsidianakis@linaro.org; h=from:subject:message-id; bh=BVTDTUEh/mb8WZ71acn29Z8+dgaJ2Aq1gIdxHDatpbY=; b=LS0tLS1CRUdJTiBQR1AgTUVTU0FHRS0tLS0tCgpvd0VCYlFLUy9aQU5Bd0FLQVhjcHgzQi9mZ 25RQWNzbVlnQm9sZC9TK0tZZlNlVTMrUVVHeTg0MU9laU1QUWM3CmhGZllsdGpieFdyWTJOcVd4 ZXlKQWpNRUFBRUtBQjBXSVFUTVhCdE9SS0JXODRkd0hSQjNLY2R3ZjM0SjBBVUMKYUpYZjBnQUt DUkIzS2Nkd2YzNEowSFVzRUFDWHZzZzFGSXNIcHJSRExHNDN3SDFLdG9TSXYwb0g0S2RiSTNteg pUYUN5WnNOU1Y2Yk1PZElsZmswNWFLMkZ3OEIxcEUzMFFZVGw1cTRSV2pMTjlLNDFheDQ0NGZic ENUZHE1YXQzCm5ENjJLM0ZKQXJXeXUxcWhGVUVJQnFJYTh1YzJsaWhxNWFDRGNjV2w4WjdNbFpk ZHhjUDlONkNFTjlkNlpIeTQKVG5iUHhXc3NGT3BnN1k2WjgrWGZ6aDdzbHZKQWEwbS9JRStCSXd Ia3ZhQldLNExQZnpZTEpTUHlQb0xEd09VQQpIWDh2MHBBR2NYYXQ2WGM0UjY1V0JFN1FwUjZBOC tPV0hDY2cxL1lMRk4wVVpFWmNMMG5kTTZZdUdwNnhac1FlCitnTjRLV2tiWHRncTZyYzZObFJNR XlWR1JpemNvODg2MXR3RW9LQytuQ3dhNVd5MDZNUnZybDJuZE1lN3U2bGQKNnhHNS9zSkxXOUFq ekdIYjgwUjA3bzVxY1drVVlwR2JHVzBxSTZuQ1lHbzVwNmJqb0NOT1lpY2VJQWdLYlRZMgpzTXh lN1ZGR01YaTZ5aHk1Sk04QUxWR1VnTTFBRFZzMG53UHlaQXVWeGh1aklwR2NFWmVhdUVDbGVtTV FBaU4zCjRJVzEwV0F6U01kUFpibUJDcUk0WlBKM3dpbm52MTgxZTZ4WWlGREM5TCtNQ3gvR3pNV S9JMVNPa3diZmdLZEIKdmVRb25NZ3R3a0hRQjBtOXJ4ZEVNVUpiU1Z4ditXWnhKdG40VGVLZWpp N3dGWnpPN0RNb0tMbnhXMmVYY3hLOApaRUlRaWVyOGFOK0Q0YUlpanFhR09BYTRSNEQ0dkg2b1F RVUc5cWRFTDBTNFdYdFpRZVk3MjdvOUNyamVvVmF6ClJxbDRIdz09Cj1NanA5Ci0tLS0tRU5EIF BHUCBNRVNTQUdFLS0tLS0K X-Developer-Key: i=manos.pitsidianakis@linaro.org; a=openpgp; fpr=7C721DF9DB3CC7182311C0BF68BC211D47B421E1 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::436; envelope-from=manos.pitsidianakis@linaro.org; helo=mail-wr1-x436.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=unavailable 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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1754652834321124100 Signed-off-by: Manos Pitsidianakis --- gdb-xml/aarch64-core.xml | 6 ++++++ target/arm/gdbstub64.c | 8 ++++++++ 2 files changed, 14 insertions(+) diff --git a/gdb-xml/aarch64-core.xml b/gdb-xml/aarch64-core.xml index dffc92303fc7b7e8221cf6afd6009101f34352ed..42793f063d9a9180d6233376a03= 835238c4a9c53 100644 --- a/gdb-xml/aarch64-core.xml +++ b/gdb-xml/aarch64-core.xml @@ -120,4 +120,10 @@ + + + + + + diff --git a/target/arm/gdbstub64.c b/target/arm/gdbstub64.c index 6c424ed361e32e12836c6ef00a06397bd684bac4..143e2b104f961da603404cdfb52= 47b044f0e84cd 100644 --- a/target/arm/gdbstub64.c +++ b/target/arm/gdbstub64.c @@ -57,6 +57,9 @@ int aarch64_cpu_gdb_read_register(CPUState *cs, GByteArra= y *mem_buf, int n) case 36: /* DAIF */ return gdb_get_reg64(mem_buf, env->daif); + case 37: + /* SPSel */ + return gdb_get_reg64(mem_buf, env->pstate & PSTATE_SP); } /* Unknown register. */ return 0; @@ -98,6 +101,11 @@ int aarch64_cpu_gdb_write_register(CPUState *cs, uint8_= t *mem_buf, int n) /* DAIF */ env->daif =3D tmp & PSTATE_DAIF; return 8; + case 37: + /* SPSel */ + tmp =3D (pstate_read(env) & ~PSTATE_SP) | (tmp & PSTATE_SP); + pstate_write(env, tmp); + return 8; } /* Unknown register. */ return 0; --=20 2.47.2