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GET /api/patches/2202551/?format=api
{ "id": 2202551, "url": "http://patchwork.ozlabs.org/api/patches/2202551/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260227203627.932864-26-brian.cain@oss.qualcomm.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": "<20260227203627.932864-26-brian.cain@oss.qualcomm.com>", "list_archive_url": null, "date": "2026-02-27T20:36:15", "name": "[v3,25/37] target/hexagon: Add sysemu TCG overrides", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "c97334524067edecfacdba75252307fdb1e82855", "submitter": { "id": 89839, "url": "http://patchwork.ozlabs.org/api/people/89839/?format=api", "name": "Brian Cain", "email": "brian.cain@oss.qualcomm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260227203627.932864-26-brian.cain@oss.qualcomm.com/mbox/", "series": [ { "id": 493813, "url": "http://patchwork.ozlabs.org/api/series/493813/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=493813", "date": "2026-02-27T20:35:57", "name": "Hexagon system emulation - Part 1/3", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/493813/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2202551/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2202551/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) 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target/hexagon: Add sysemu TCG overrides", "Date": "Fri, 27 Feb 2026 12:36:15 -0800", "Message-Id": "<20260227203627.932864-26-brian.cain@oss.qualcomm.com>", "X-Mailer": "git-send-email 2.34.1", "In-Reply-To": "<20260227203627.932864-1-brian.cain@oss.qualcomm.com>", "References": "<20260227203627.932864-1-brian.cain@oss.qualcomm.com>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "base64", "X-Proofpoint-GUID": "mpcSnb0kbOGfuYBnFilYhteD5nYSGkBY", "X-Authority-Analysis": "v=2.4 cv=PN8COPqC c=1 sm=1 tr=0 ts=69a20072 cx=c_pps\n a=lVi5GcDxkcJcfCmEjVJoaw==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17\n a=IkcTkHD0fZMA:10 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10\n a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22\n a=COk6AnOGAAAA:8 a=EUspDBNiAAAA:8 a=pmPLFm_we90XqOt_wqUA:9 a=QEXdDO2ut3YA:10\n a=rBiNkAWo9uy_4UTK5NWh:22 a=TjNXssC_j7lpFel5tvFf:22", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwMjI3MDE4MSBTYWx0ZWRfX57EnjnwmRNIi\n 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authtc= authcc=\n route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000\n definitions=main-2602270181", "Received-SPF": "pass client-ip=205.220.180.131;\n envelope-from=brian.cain@oss.qualcomm.com; helo=mx0b-0031df01.pphosted.com", "X-Spam_score_int": "-16", "X-Spam_score": "-1.7", "X-Spam_bar": "-", "X-Spam_report": "(-1.7 / 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_LOW=-0.7, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.706,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.401, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=no 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: Brian Cain <bcain@quicinc.com>\n\nDefine TCG overrides for setprio(), crswap(,sgp{0,1,1:0}).\n\nSigned-off-by: Brian Cain <brian.cain@oss.qualcomm.com>\n---\n target/hexagon/cpu_helper.h | 34 ++++++++++++++++++++++++++++++\n target/hexagon/gen_tcg_sys.h | 40 ++++++++++++++++++++++++++++++++++++\n target/hexagon/helper.h | 1 +\n target/hexagon/genptr.c | 4 ++++\n target/hexagon/op_helper.c | 7 +++++++\n target/hexagon/hex_common.py | 2 ++\n target/hexagon/meson.build | 13 ++++++------\n 7 files changed, 95 insertions(+), 6 deletions(-)\n create mode 100644 target/hexagon/cpu_helper.h\n create mode 100644 target/hexagon/gen_tcg_sys.h", "diff": "diff --git a/target/hexagon/cpu_helper.h b/target/hexagon/cpu_helper.h\nnew file mode 100644\nindex 00000000000..8c79a4cea13\n--- /dev/null\n+++ b/target/hexagon/cpu_helper.h\n@@ -0,0 +1,34 @@\n+/*\n+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.\n+ *\n+ * SPDX-License-Identifier: GPL-2.0-or-later\n+ */\n+\n+#ifndef HEXAGON_CPU_HELPER_H\n+#define HEXAGON_CPU_HELPER_H\n+\n+static inline void arch_set_thread_reg(CPUHexagonState *env, uint32_t reg,\n+ uint32_t val)\n+{\n+ g_assert(reg < TOTAL_PER_THREAD_REGS);\n+ g_assert_not_reached();\n+}\n+\n+static inline uint32_t arch_get_thread_reg(CPUHexagonState *env, uint32_t reg)\n+{\n+ g_assert(reg < TOTAL_PER_THREAD_REGS);\n+ g_assert_not_reached();\n+}\n+\n+static inline void arch_set_system_reg(CPUHexagonState *env, uint32_t reg,\n+ uint32_t val)\n+{\n+ g_assert_not_reached();\n+}\n+\n+static inline uint32_t arch_get_system_reg(CPUHexagonState *env, uint32_t reg)\n+{\n+ g_assert_not_reached();\n+}\n+\n+#endif\ndiff --git a/target/hexagon/gen_tcg_sys.h b/target/hexagon/gen_tcg_sys.h\nnew file mode 100644\nindex 00000000000..2410ac82c96\n--- /dev/null\n+++ b/target/hexagon/gen_tcg_sys.h\n@@ -0,0 +1,40 @@\n+/*\n+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.\n+ *\n+ * SPDX-License-Identifier: GPL-2.0-or-later\n+ */\n+\n+#ifndef HEXAGON_GEN_TCG_SYS_H\n+#define HEXAGON_GEN_TCG_SYS_H\n+\n+#define fGEN_TCG_Y2_setprio(SHORTCODE) \\\n+ gen_helper_setprio(tcg_env, PtV, RsV)\n+\n+#define fGEN_TCG_Y2_crswap0(SHORTCODE) \\\n+ do { \\\n+ TCGv tmp = tcg_temp_new(); \\\n+ tcg_gen_mov_tl(tmp, RxV); \\\n+ tcg_gen_mov_tl(RxV, hex_t_sreg[HEX_SREG_SGP0]); \\\n+ tcg_gen_mov_tl(ctx->t_sreg_new_value[HEX_SREG_SGP0], tmp); \\\n+ } while (0)\n+\n+#define fGEN_TCG_Y4_crswap1(SHORTCODE) \\\n+ do { \\\n+ TCGv tmp = tcg_temp_new(); \\\n+ tcg_gen_mov_tl(tmp, RxV); \\\n+ tcg_gen_mov_tl(RxV, hex_t_sreg[HEX_SREG_SGP1]); \\\n+ tcg_gen_mov_tl(ctx->t_sreg_new_value[HEX_SREG_SGP1], tmp); \\\n+ } while (0)\n+\n+#define fGEN_TCG_Y4_crswap10(SHORTCODE) \\\n+ do { \\\n+ TCGv_i64 tmp = tcg_temp_new_i64(); \\\n+ tcg_gen_mov_i64(tmp, RxxV); \\\n+ tcg_gen_concat_i32_i64(RxxV, \\\n+ hex_t_sreg[HEX_SREG_SGP0], \\\n+ hex_t_sreg[HEX_SREG_SGP1]); \\\n+ tcg_gen_extrl_i64_i32(ctx->t_sreg_new_value[HEX_SREG_SGP0], tmp); \\\n+ tcg_gen_extrh_i64_i32(ctx->t_sreg_new_value[HEX_SREG_SGP1], tmp); \\\n+ } while (0)\n+\n+#endif\ndiff --git a/target/hexagon/helper.h b/target/hexagon/helper.h\nindex 85dba2f4291..a18cb9f79ad 100644\n--- a/target/hexagon/helper.h\n+++ b/target/hexagon/helper.h\n@@ -115,4 +115,5 @@ DEF_HELPER_2(greg_read, i32, env, i32)\n DEF_HELPER_2(greg_read_pair, i64, env, i32)\n DEF_HELPER_3(sreg_write, void, env, i32, i32)\n DEF_HELPER_3(sreg_write_pair, void, env, i32, i64)\n+DEF_HELPER_3(setprio, void, env, i32, i32)\n #endif\ndiff --git a/target/hexagon/genptr.c b/target/hexagon/genptr.c\nindex 908f7e5e2e5..f86bba4f08e 100644\n--- a/target/hexagon/genptr.c\n+++ b/target/hexagon/genptr.c\n@@ -31,6 +31,10 @@\n #undef QEMU_GENERATE\n #include \"gen_tcg.h\"\n #include \"gen_tcg_hvx.h\"\n+#ifndef CONFIG_USER_ONLY\n+#include \"gen_tcg_sys.h\"\n+#endif\n+\n #include \"genptr.h\"\n \n TCGv gen_read_reg(TCGv result, int num)\ndiff --git a/target/hexagon/op_helper.c b/target/hexagon/op_helper.c\nindex 54b22f2fee4..8d60610b3f9 100644\n--- a/target/hexagon/op_helper.c\n+++ b/target/hexagon/op_helper.c\n@@ -31,6 +31,7 @@\n #include \"mmvec/mmvec.h\"\n #include \"mmvec/macros.h\"\n #include \"op_helper.h\"\n+#include \"cpu_helper.h\"\n #include \"translate.h\"\n \n #define SF_BIAS 127\n@@ -1420,6 +1421,12 @@ uint64_t HELPER(greg_read_pair)(CPUHexagonState *env, uint32_t reg)\n {\n g_assert_not_reached();\n }\n+\n+void HELPER(setprio)(CPUHexagonState *env, uint32_t thread, uint32_t prio)\n+{\n+ g_assert_not_reached();\n+}\n+\n #endif\n \n \ndiff --git a/target/hexagon/hex_common.py b/target/hexagon/hex_common.py\nindex ec504389faf..ad60e978685 100755\n--- a/target/hexagon/hex_common.py\n+++ b/target/hexagon/hex_common.py\n@@ -1364,6 +1364,7 @@ def parse_common_args(desc):\n parser.add_argument(\"semantics\", help=\"semantics file\")\n parser.add_argument(\"overrides\", help=\"overrides file\")\n parser.add_argument(\"overrides_vec\", help=\"vector overrides file\")\n+ parser.add_argument(\"overrides_sys\", help=\"system overrides file\")\n parser.add_argument(\"out\", help=\"output file\")\n parser.add_argument(\"--idef-parser\",\n help=\"file of instructions translated by idef-parser\")\n@@ -1371,6 +1372,7 @@ def parse_common_args(desc):\n read_semantics_file(args.semantics)\n read_overrides_file(args.overrides)\n read_overrides_file(args.overrides_vec)\n+ read_overrides_file(args.overrides_sys)\n if args.idef_parser:\n read_idef_parser_enabled_file(args.idef_parser)\n calculate_attribs()\ndiff --git a/target/hexagon/meson.build b/target/hexagon/meson.build\nindex d169cf71b2f..528beca3cd0 100644\n--- a/target/hexagon/meson.build\n+++ b/target/hexagon/meson.build\n@@ -20,6 +20,7 @@ hexagon_ss = ss.source_set()\n hex_common_py = 'hex_common.py'\n gen_tcg_h = meson.current_source_dir() / 'gen_tcg.h'\n gen_tcg_hvx_h = meson.current_source_dir() / 'gen_tcg_hvx.h'\n+gen_tcg_sys_h = meson.current_source_dir() / 'gen_tcg_sys.h'\n idef_parser_dir = meson.current_source_dir() / 'idef-parser'\n \n #\n@@ -337,12 +338,12 @@ if idef_parser_enabled and 'hexagon-linux-user' in target_dirs\n # Setup input and dependencies for the next step, this depends on whether or\n # not idef-parser is enabled\n helper_dep = [semantics_generated, idef_generated_tcg_c, idef_generated_tcg]\n- helper_in = [semantics_generated, gen_tcg_h, gen_tcg_hvx_h, '--idef-parser', idef_generated_list]\n+ helper_in = [semantics_generated, gen_tcg_h, gen_tcg_hvx_h, gen_tcg_sys_h, '--idef-parser', idef_generated_list]\n else\n # Setup input and dependencies for the next step, this depends on whether or\n # not idef-parser is enabled\n helper_dep = [semantics_generated]\n- helper_in = [semantics_generated, gen_tcg_h, gen_tcg_hvx_h]\n+ helper_in = [semantics_generated, gen_tcg_h, gen_tcg_hvx_h, gen_tcg_sys_h]\n endif\n \n #\n@@ -356,7 +357,7 @@ helper_protos_generated = custom_target(\n 'helper_protos_generated.h.inc',\n output: 'helper_protos_generated.h.inc',\n depends: helper_dep,\n- depend_files: [hex_common_py, gen_tcg_h, gen_tcg_hvx_h],\n+ depend_files: [hex_common_py, gen_tcg_h, gen_tcg_hvx_h, gen_tcg_sys_h],\n command: [python, files('gen_helper_protos.py'), helper_in, '@OUTPUT@'],\n )\n hexagon_ss.add(helper_protos_generated)\n@@ -365,7 +366,7 @@ helper_funcs_generated = custom_target(\n 'helper_funcs_generated.c.inc',\n output: 'helper_funcs_generated.c.inc',\n depends: helper_dep,\n- depend_files: [hex_common_py, gen_tcg_h, gen_tcg_hvx_h],\n+ depend_files: [hex_common_py, gen_tcg_h, gen_tcg_hvx_h, gen_tcg_sys_h],\n command: [python, files('gen_helper_funcs.py'), helper_in, '@OUTPUT@'],\n )\n hexagon_ss.add(helper_funcs_generated)\n@@ -374,7 +375,7 @@ tcg_funcs_generated = custom_target(\n 'tcg_funcs_generated.c.inc',\n output: 'tcg_funcs_generated.c.inc',\n depends: helper_dep,\n- depend_files: [hex_common_py, gen_tcg_h, gen_tcg_hvx_h],\n+ depend_files: [hex_common_py, gen_tcg_h, gen_tcg_hvx_h, gen_tcg_sys_h],\n command: [python, files('gen_tcg_funcs.py'), helper_in, '@OUTPUT@'],\n )\n hexagon_ss.add(tcg_funcs_generated)\n@@ -383,7 +384,7 @@ analyze_funcs_generated = custom_target(\n 'analyze_funcs_generated.c.inc',\n output: 'analyze_funcs_generated.c.inc',\n depends: helper_dep,\n- depend_files: [hex_common_py, gen_tcg_h, gen_tcg_hvx_h],\n+ depend_files: [hex_common_py, gen_tcg_h, gen_tcg_hvx_h, gen_tcg_sys_h],\n command: [python, files('gen_analyze_funcs.py'), helper_in, '@OUTPUT@'],\n )\n hexagon_ss.add(analyze_funcs_generated)\n", "prefixes": [ "v3", "25/37" ] }