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Fri, 08 Aug 2025 04:30:29 -0700 (PDT) From: Manos Pitsidianakis Date: Fri, 08 Aug 2025 14:30:13 +0300 Subject: [PATCH 1/4] gdbstub/aarch64: add CurrentEL register MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250808-gdbstub-aarch64-pstate-regs-v1-1-14ba70be1b3d@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=2083; i=manos.pitsidianakis@linaro.org; h=from:subject:message-id; bh=zql1mb08Gst0dH1hdlJZnLdmUwUUNytFuYpgCKSSGHY=; b=LS0tLS1CRUdJTiBQR1AgTUVTU0FHRS0tLS0tCgpvd0VCYlFLUy9aQU5Bd0FLQVhjcHgzQi9mZ 25RQWNzbVlnQm9sZC9SVmNXZ2VldEdlK3RvL1lXYjVzZWRJd1VVCnR4aGNYRUVBL2NwRldhaVFv bitKQWpNRUFBRUtBQjBXSVFUTVhCdE9SS0JXODRkd0hSQjNLY2R3ZjM0SjBBVUMKYUpYZjBRQUt DUkIzS2Nkd2YzNEowRE9uRC80aldET014SXpOYjN1a3hKc3hoUUgyRjZhOWUzQm5yeWYybDY4dw piSTVUM0k5WUlWTnNWdkVEdmZFMnlmSlB0QzVHWDFSckdBN3hlNURJaEcvNXRNUmVSbGRvSE4wb klhU2ZvWU80CllOdDVZYnRVckRuL0Z6MERhcTZPbmhFLzFFSUZnbGpnNzdpb1d4SVNYTjZnZTVv NnRxbk5oZjNnUStKVGRZTTkKSFJTZUpBckExbVpMek94MFcxL0xVYUwyNUorOHcwQ2RhbXFhSUd aY1R5YzJQL3ZOMTNXcS9IMjdlRHFML2JZNQo3UDIyK1k0a09tck1GdmZaL285VkhOVXA5QzFBL0 JkbUdSNE5SSDR5RmtaV1VCUXo4am82OGloaHB2Y0tDdGRFCnVKQmxYQklIa1hkZkxuWlA0ZnJtc nEwbkJrV3NkS0wwSHZCNGZrSzA3citOK2VETWhlNUJpbEI4cWRSUVFRSXcKRlM1RlFRYWp1VUtD Q0s3UFZpaFNIeklpYUhBMmQrUFZlMzcwby9VUXA5MU9JK1lJZ3JNeGRmNUZobTlzaldHSApYSTN SaHl3TFRiaVFGQUx4YXFwdVQ0Q0pIdVpRY2EveC8rL2pPK3VQMkYzSUtKalZlQ3dLNWZyLzJqUH pVcjUxCkdQU3QxSFk1aDVGN253ZVBIZWxqY1VDVnVvSis2dnMrZndWR0JnQ1dFNzlxUklKMndSM VJmOVVPOG1UU0xQWWMKZUQ0eWtuaHNjUGN3L0FGWXRLZmM2M0pyMU5iRjYzc2sxYVVQejk4Mldr Z0p0Zmh2UUkyTW91TnkxbWZmb25VWApmTHJzcTNyZTB5RWM4bzNPSThoOHAvV3FDNHBPRG9CUUV 5b0p1ZUt6YXRaRmN5bWZ4bkw5ejQvWmdvNXdiNkhICko5ZU1kZz09Cj1rTkNWCi0tLS0tRU5EIF 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::42e; envelope-from=manos.pitsidianakis@linaro.org; helo=mail-wr1-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, 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: 2.1.29 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: 1754652701374116600 Signed-off-by: Manos Pitsidianakis --- gdb-xml/aarch64-core.xml | 5 +++++ target/arm/cpu.h | 1 + target/arm/gdbstub64.c | 6 ++++++ 3 files changed, 12 insertions(+) diff --git a/gdb-xml/aarch64-core.xml b/gdb-xml/aarch64-core.xml index b8046510b9a085d30463d37b3ecc8d435f5fb7a4..19ad743dc5607b4021fb795bfb9= b8e9cf0adef68 100644 --- a/gdb-xml/aarch64-core.xml +++ b/gdb-xml/aarch64-core.xml @@ -91,4 +91,9 @@ =20 + + + + + diff --git a/target/arm/cpu.h b/target/arm/cpu.h index dc9b6dce4c92297b2636d0d7c0dce580f1806d5b..c3070cd9863381fac40f5640e0a= 7a84dfa1c6e06 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -1473,6 +1473,7 @@ void pmu_init(ARMCPU *cpu); * AArch32 mode SPSRs are basically CPSR-format. */ #define PSTATE_SP (1U) +#define PSTATE_EL (3U << 2) #define PSTATE_M (0xFU) #define PSTATE_nRW (1U << 4) #define PSTATE_F (1U << 6) diff --git a/target/arm/gdbstub64.c b/target/arm/gdbstub64.c index 08e28585396816ab90d6d8e460ff8171892fe8da..16b564e1a970cb5e854a705619f= 71ffc61545a73 100644 --- a/target/arm/gdbstub64.c +++ b/target/arm/gdbstub64.c @@ -48,6 +48,9 @@ int aarch64_cpu_gdb_read_register(CPUState *cs, GByteArra= y *mem_buf, int n) return gdb_get_reg64(mem_buf, env->pc); case 33: return gdb_get_reg32(mem_buf, pstate_read(env)); + case 34: + /* CurrentEL */ + return gdb_get_reg64(mem_buf, env->pstate & PSTATE_EL); } /* Unknown register. */ return 0; @@ -77,6 +80,9 @@ int aarch64_cpu_gdb_write_register(CPUState *cs, uint8_t = *mem_buf, int n) /* CPSR */ pstate_write(env, tmp); return 4; + case 34: + /* CurrentEL */ + return 0; } /* Unknown register. */ return 0; --=20 2.47.2 From nobody Tue Feb 10 01:17:08 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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Fri, 08 Aug 2025 04:30:30 -0700 (PDT) From: Manos Pitsidianakis Date: Fri, 08 Aug 2025 14:30:14 +0300 Subject: [PATCH 2/4] gdbstub/aarch64: add NZCV register MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250808-gdbstub-aarch64-pstate-regs-v1-2-14ba70be1b3d@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=2101; i=manos.pitsidianakis@linaro.org; h=from:subject:message-id; bh=M+o0NxtbVX/WeQLjyp8sVxOp2zp/MN1L8BDmz068olY=; b=LS0tLS1CRUdJTiBQR1AgTUVTU0FHRS0tLS0tCgpvd0VCYlFLUy9aQU5Bd0FLQVhjcHgzQi9mZ 25RQWNzbVlnQm9sZC9SYkFDZy9qRVFKMTl5WTVoc0VINmVwV1ZWClBiMkZidm1heG5hSEtyUnBN T1NKQWpNRUFBRUtBQjBXSVFUTVhCdE9SS0JXODRkd0hSQjNLY2R3ZjM0SjBBVUMKYUpYZjBRQUt DUkIzS2Nkd2YzNEowSVB2RC85VHVUSGRLZ2FneFc4czJzaFRaSUlBZE5iTnZrZHM3YVZiM24xbw p6a0Z0VXhhcVBrWnBwR0dUaXIySlVQcnZRSk8ybmNaM0JMZWJENEFHUlp1MmFuQzF4VGhlNGxXa XRoQ3hNbEtsCnNnbkhZaEtOOWpjalNTclVLWi8wMlVTRWlqdzdId0d1b3ZNV1oxS0Y5UTVrK0lE eDZDU0RyVkdRL1pNLzVMakoKeGMvaXF6WDU2RHJhenhVaE41YUdvWkJpQjNzdnZJWkhEL2RhTFR OWXhKSmEvL21TR01CT2lUS2piSExYZXQyMgp1RVNhUXY0Q3ptTFdLNEIrQnk3TktObjVuZEtXQ2 5Ua3VrWElZZFZ5L1NmQVROamVjWVpRUHN1dlRNVStwM2xsCkpvVytrWjdvemUrTW1xRWtHSTQyM DFkWk5DQ3RWZjlJTVBiaFFsVHMrUmFpSndha2VHOEgxV2dDTHNYR29ZWHoKY3YyeWZzaFhONkox bitlbW5maWRwdVJ0bnhMc3U0RXU3dTlGZmxjM1Zwd1JZUzRmUm4rS0NDTFZub0Z6aXlnaAphQlF nRG1Kd29LeldJTm1aLyt4TEFwNjVETG5kYnBIU09paG1xU0JqNUMzNnM0cXNoVW1nWHVKTkFuU0 YvQzZ1CklGWmcrd2pqTEI0cWRzVEUvbzJGVzl1ZytpQVl2ekdxaEpwckVEMTU3Um9Fa2JMQTFtS 1RKOVZ2QlB2b2lneUgKZ1VsY3M5aFJCVzA4WEJlKzBpZWY4S3l6bVBnWURFdTRPOTkyTVhUYW1y MmFhOUpYMFlCWUJrR213U0hYQ3hvTgp3T1o3V05aRDMzWjJBYTUvYTVSRDZiN3ZROEVQRldFL0c 0RlRLckN6dFBFaXB3Mm51NWZUNUEwMURBWXR0dnBBCkgrZFk3QT09Cj1WMUxPCi0tLS0tRU5EIF 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::429; envelope-from=manos.pitsidianakis@linaro.org; helo=mail-wr1-x429.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: 2.1.29 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: 1754652732724116600 Signed-off-by: Manos Pitsidianakis --- gdb-xml/aarch64-core.xml | 14 +++++++++++++- target/arm/gdbstub64.c | 8 ++++++++ 2 files changed, 21 insertions(+), 1 deletion(-) diff --git a/gdb-xml/aarch64-core.xml b/gdb-xml/aarch64-core.xml index 19ad743dc5607b4021fb795bfb9b8e9cf0adef68..2b74b87f908f792c24f76f212e4= f7eaf335ddbc2 100644 --- a/gdb-xml/aarch64-core.xml +++ b/gdb-xml/aarch64-core.xml @@ -95,5 +95,17 @@ - + + + + + + + + + + + + + diff --git a/target/arm/gdbstub64.c b/target/arm/gdbstub64.c index 16b564e1a970cb5e854a705619f71ffc61545a73..dd3c6222a577efa03753cf07371= afdedeefdb771 100644 --- a/target/arm/gdbstub64.c +++ b/target/arm/gdbstub64.c @@ -51,6 +51,9 @@ int aarch64_cpu_gdb_read_register(CPUState *cs, GByteArra= y *mem_buf, int n) case 34: /* CurrentEL */ return gdb_get_reg64(mem_buf, env->pstate & PSTATE_EL); + case 35: + /* NZCV */ + return gdb_get_reg64(mem_buf, pstate_read(env) & PSTATE_NZCV); } /* Unknown register. */ return 0; @@ -83,6 +86,11 @@ int aarch64_cpu_gdb_write_register(CPUState *cs, uint8_t= *mem_buf, int n) case 34: /* CurrentEL */ return 0; + case 35: + /* NZCV */ + tmp =3D (pstate_read(env) & ~PSTATE_NZCV) | (tmp & PSTATE_NZCV); + pstate_write(env, tmp); + return 8; } /* Unknown register. */ return 0; --=20 2.47.2 From nobody Tue Feb 10 01:17:08 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1754652834; cv=none; d=zohomail.com; s=zohoarc; b=MUeturkSNB5O4poupxBqXfXAVDb3gN6K0M60fuYGPX9w2h58yWPXS1XB7Z8j+mLksP+//Ty91wFp9OZrUtzHS2nr2Hx0IQd3S+Q3KjPiB6AjiMNsqutuc2N5i7OvxB7ncnZhWomCw2MmLvuKIIQzN/KOLmEa69f3XcjvwSwPKow= ARC-Message-Signature: i=1; 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Fri, 08 Aug 2025 04:30:31 -0700 (PDT) From: Manos Pitsidianakis Date: Fri, 08 Aug 2025 14:30:15 +0300 Subject: [PATCH 3/4] gdbstub/aarch64: add DAIF register MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250808-gdbstub-aarch64-pstate-regs-v1-3-14ba70be1b3d@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=1948; i=manos.pitsidianakis@linaro.org; h=from:subject:message-id; bh=pdsXwnZTWgdqtptBVXPmXR1JF3tTkJfujnXQK7E62KQ=; b=LS0tLS1CRUdJTiBQR1AgTUVTU0FHRS0tLS0tCgpvd0VCYlFLUy9aQU5Bd0FLQVhjcHgzQi9mZ 25RQWNzbVlnQm9sZC9TYkl4eWdRNDJOaEdZNFF4a2Z1M3ZBMmhxCmFmVHZSNVI0eTZ0cStXcGtJ clNKQWpNRUFBRUtBQjBXSVFUTVhCdE9SS0JXODRkd0hSQjNLY2R3ZjM0SjBBVUMKYUpYZjBnQUt DUkIzS2Nkd2YzNEowS1RpRC80cVJXbVZ3ZFp1ckk2bmhRSXBYV0d4U2tnU21wdGhNeXRLUlVKVA pDcDdVVk80SFFoNjVHNElqVVRvMkt2dmdJdjhqOGJMd2tKS2hwZ2MxTGlYMTZVbVh5VTQvUnROa Gd2blVXbCtFClN5SmlZZWtNVnY3TjhnSFRsU3ZUNXN1MEczN1RSRjZZRkdFTjNicE5wVnF2VHpX TnJyR0VWWFlZeFA5c3pCR3QKQTN1Z0IzVWJFZDcwT3VvTndGak05ZUkyTEg4UmFiaUM2ek1DUVp ocXdlT2tDVGZ1R3B5ZytoZzhITXpxc2g1TAo3ZkxvNURiK1AvTms5M0hOY0VLeGh5TnBjQW03Yk FlNklsVkowTXN4cWtJVHNSd2Z4dnZGeEFmQTFNZGcxUmg3CjBWOEhXTnVsc0E1VWtxOUtrUGhxM GZueDRoTEdxbjJhbVMxaE55R3JyRXhBa3VBa2FIWVVXRXR5SE5CaWhYeEUKM1lzeDEzMkIxRDRk dU4xTXdNRzZpTnJUeFpMRlE4ZGlsNHRRWTJHdlVmTnpwSisycFNnWVBwUUh4aVZ0Vm0vbwpCd2J nWFowd3RWclZsVzYwcE0zUXhrbDBBZFNWeWI3M3BhRGZvWGFFejJoQzJXYTloNkNzci9jVHFhel VLaG9qClNuR1A4RkNPamVUbWM1TndiR2JOVGpiNFJZRU02c2QxRXV3dGdnYXNDYW5VanFxQVdZV Dk3VUJZNlJnQW1NYk8KWlpGcnlENlphSnZScHJVUmlFL3hhQlMrWG9Sb1Y0U2k1YmJxU05PYWt4 MUNpKytSRVFFMWNnU25HTG5KNWZORAo0ZGxHWWxHdGpPRHFvbWNEVmNWdzBSSVQyM0piMWxuZ1l mMXRLam41UlFaUEdkaUhSYy9KVEt3U3VGWE0rUjljCjlJaERWUT09Cj1YZEhXCi0tLS0tRU5EIF 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::42d; envelope-from=manos.pitsidianakis@linaro.org; helo=mail-wr1-x42d.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: 2.1.29 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: 1754652835588116600 Signed-off-by: Manos Pitsidianakis --- gdb-xml/aarch64-core.xml | 12 ++++++++++++ target/arm/gdbstub64.c | 7 +++++++ 2 files changed, 19 insertions(+) diff --git a/gdb-xml/aarch64-core.xml b/gdb-xml/aarch64-core.xml index 2b74b87f908f792c24f76f212e4f7eaf335ddbc2..dffc92303fc7b7e8221cf6afd60= 09101f34352ed 100644 --- a/gdb-xml/aarch64-core.xml +++ b/gdb-xml/aarch64-core.xml @@ -108,4 +108,16 @@ + + + + + + + + + + + + diff --git a/target/arm/gdbstub64.c b/target/arm/gdbstub64.c index dd3c6222a577efa03753cf07371afdedeefdb771..6c424ed361e32e12836c6ef00a0= 6397bd684bac4 100644 --- a/target/arm/gdbstub64.c +++ b/target/arm/gdbstub64.c @@ -54,6 +54,9 @@ int aarch64_cpu_gdb_read_register(CPUState *cs, GByteArra= y *mem_buf, int n) case 35: /* NZCV */ return gdb_get_reg64(mem_buf, pstate_read(env) & PSTATE_NZCV); + case 36: + /* DAIF */ + return gdb_get_reg64(mem_buf, env->daif); } /* Unknown register. */ return 0; @@ -91,6 +94,10 @@ int aarch64_cpu_gdb_write_register(CPUState *cs, uint8_t= *mem_buf, int n) tmp =3D (pstate_read(env) & ~PSTATE_NZCV) | (tmp & PSTATE_NZCV); pstate_write(env, tmp); return 8; + case 36: + /* DAIF */ + env->daif =3D tmp & PSTATE_DAIF; + return 8; } /* Unknown register. */ return 0; --=20 2.47.2 From nobody Tue Feb 10 01:17:08 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1754652832; cv=none; d=zohomail.com; s=zohoarc; b=Yu6nSwxlAXhuqfftNXeY+tKiHXjR8mvG63O0DYfTj2JCn+tLjzVfdY+2L6/VJTtLZxZHea4scv1BCh40VJXmG6ESR4VZjjDGJkXU6UUSkVlJXZpTzRKol8vV842/HEUTdY18ztYnUTIuf2TEVVpLSZEQqhOq83ECJqltSKSMm3g= ARC-Message-Signature: i=1; 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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