{"id":2224707,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2224707/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260417194606.39997-2-pierrick.bouvier@oss.qualcomm.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.2/projects/14/?format=json","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":"<20260417194606.39997-2-pierrick.bouvier@oss.qualcomm.com>","list_archive_url":null,"date":"2026-04-17T19:46:05","name":"[1/2] target/hexagon/meson.build: simplify decodetree file generation","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"08f601dc1ebc2611e23e2314a4c77e758a800060","submitter":{"id":93152,"url":"http://patchwork.ozlabs.org/api/1.2/people/93152/?format=json","name":"Pierrick Bouvier","email":"pierrick.bouvier@oss.qualcomm.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260417194606.39997-2-pierrick.bouvier@oss.qualcomm.com/mbox/","series":[{"id":500397,"url":"http://patchwork.ozlabs.org/api/1.2/series/500397/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=500397","date":"2026-04-17T19:46:04","name":"target/hexagon: simply meson.build","version":1,"mbox":"http://patchwork.ozlabs.org/series/500397/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2224707/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2224707/checks/","tags":{},"related":[],"headers":{"Return-Path":"","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=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256\n header.s=qcppdkim1 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helo=mx0a-0031df01.pphosted.com","X-Spam_score_int":"-27","X-Spam_score":"-2.8","X-Spam_bar":"--","X-Spam_report":"(-2.8 / 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_RPBL_BLOCKED=0.001,\n RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, 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 ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"Use a loop over instructions sets and decodetree generator instead of\nmanual custom targets repeated.\nModify included files accordingly in target/hexagon/decode.c.\n\nSigned-off-by: Pierrick Bouvier \n---\n target/hexagon/decode.c | 14 ++--\n target/hexagon/meson.build | 145 +++++--------------------------------\n 2 files changed, 26 insertions(+), 133 deletions(-)","diff":"diff --git a/target/hexagon/decode.c b/target/hexagon/decode.c\nindex dbc9c630e8..4de0541536 100644\n--- a/target/hexagon/decode.c\n+++ b/target/hexagon/decode.c\n@@ -67,15 +67,15 @@ static int shift_left(DisasContext *ctx, int x, int n, int immno)\n }\n \n /* Include the generated decoder for 32 bit insn */\n-#include \"decode_normal_generated.c.inc\"\n-#include \"decode_hvx_generated.c.inc\"\n+#include \"decode-normal.c.inc\"\n+#include \"decode-ext_mmvec.c.inc\"\n \n /* Include the generated decoder for 16 bit insn */\n-#include \"decode_subinsn_a_generated.c.inc\"\n-#include \"decode_subinsn_l1_generated.c.inc\"\n-#include \"decode_subinsn_l2_generated.c.inc\"\n-#include \"decode_subinsn_s1_generated.c.inc\"\n-#include \"decode_subinsn_s2_generated.c.inc\"\n+#include \"decode-subinsn_a.c.inc\"\n+#include \"decode-subinsn_l1.c.inc\"\n+#include \"decode-subinsn_l2.c.inc\"\n+#include \"decode-subinsn_s1.c.inc\"\n+#include \"decode-subinsn_s2.c.inc\"\n \n /* Include the generated helpers for the decoder */\n #include \"decodetree_trans_funcs_generated.c.inc\"\ndiff --git a/target/hexagon/meson.build b/target/hexagon/meson.build\nindex d169cf71b2..d993e1b520 100644\n--- a/target/hexagon/meson.build\n+++ b/target/hexagon/meson.build\n@@ -93,135 +93,28 @@ hexagon_ss.add(iset_py)\n # Step 4\n # Generate the input to the QEMU decodetree.py script\n #\n-normal_decode_generated = custom_target(\n- 'normal_decode_generated',\n- output: 'normal_decode_generated',\n+insn_sets = {\n+'NORMAL': ['--static-decode=decode_normal'],\n+'EXT_mmvec': ['--static-decode=decode_hvx'],\n+'SUBINSN_A': ['--static-decode=decode_subinsn_a', '--insnwidth=16'],\n+'SUBINSN_L1': ['--static-decode=decode_subinsn_l1', '--insnwidth=16'],\n+'SUBINSN_L2': ['--static-decode=decode_subinsn_l2', '--insnwidth=16'],\n+'SUBINSN_S1': ['--static-decode=decode_subinsn_s1', '--insnwidth=16'],\n+'SUBINSN_S2': ['--static-decode=decode_subinsn_s2', '--insnwidth=16'],\n+}\n+\n+foreach insn_set, decodetree_options : insn_sets\n+ decodetree_file_name = insn_set.to_lower() + '.decode'\n+ # generate decodetree file\n+ decodetree_file = custom_target(\n+ output: decodetree_file_name,\n depends: [iset_py, semantics_generated],\n env: {'PYTHONPATH': meson.current_build_dir()},\n- command: [python, files('gen_decodetree.py'), semantics_generated, 'NORMAL', '@OUTPUT@'],\n-)\n-hexagon_ss.add(normal_decode_generated)\n+ command: [python, files('gen_decodetree.py'), semantics_generated, insn_set, '@OUTPUT@'])\n \n-hvx_decode_generated = custom_target(\n- 'hvx_decode_generated',\n- output: 'hvx_decode_generated',\n- depends: [iset_py, semantics_generated],\n- env: {'PYTHONPATH': meson.current_build_dir()},\n- command: [python, files('gen_decodetree.py'), semantics_generated, 'EXT_mmvec', '@OUTPUT@'],\n-)\n-hexagon_ss.add(hvx_decode_generated)\n-\n-subinsn_a_decode_generated = custom_target(\n- 'subinsn_a_decode_generated',\n- output: 'subinsn_a_decode_generated',\n- depends: [iset_py, semantics_generated],\n- env: {'PYTHONPATH': meson.current_build_dir()},\n- command: [python, files('gen_decodetree.py'), semantics_generated, 'SUBINSN_A', '@OUTPUT@'],\n-)\n-hexagon_ss.add(subinsn_a_decode_generated)\n-\n-subinsn_l1_decode_generated = custom_target(\n- 'subinsn_l1_decode_generated',\n- output: 'subinsn_l1_decode_generated',\n- depends: [iset_py, semantics_generated],\n- env: {'PYTHONPATH': meson.current_build_dir()},\n- command: [python, files('gen_decodetree.py'), semantics_generated, 'SUBINSN_L1', '@OUTPUT@'],\n-)\n-hexagon_ss.add(subinsn_l1_decode_generated)\n-\n-subinsn_l2_decode_generated = custom_target(\n- 'subinsn_l2_decode_generated',\n- output: 'subinsn_l2_decode_generated',\n- depends: [iset_py, semantics_generated],\n- env: {'PYTHONPATH': meson.current_build_dir()},\n- command: [python, files('gen_decodetree.py'), semantics_generated, 'SUBINSN_L2', '@OUTPUT@'],\n-)\n-hexagon_ss.add(subinsn_l2_decode_generated)\n-\n-subinsn_s1_decode_generated = custom_target(\n- 'subinsn_s1_decode_generated',\n- output: 'subinsn_s1_decode_generated',\n- depends: [iset_py, semantics_generated],\n- env: {'PYTHONPATH': meson.current_build_dir()},\n- command: [python, files('gen_decodetree.py'), semantics_generated, 'SUBINSN_S1', '@OUTPUT@'],\n-)\n-hexagon_ss.add(subinsn_s1_decode_generated)\n-\n-subinsn_s2_decode_generated = custom_target(\n- 'subinsn_s2_decode_generated',\n- output: 'subinsn_s2_decode_generated',\n- depends: [iset_py, semantics_generated],\n- env: {'PYTHONPATH': meson.current_build_dir()},\n- command: [python, files('gen_decodetree.py'), semantics_generated, 'SUBINSN_S2', '@OUTPUT@'],\n-)\n-hexagon_ss.add(subinsn_s2_decode_generated)\n-\n-#\n-# Run the QEMU decodetree.py script to produce the instruction decoder\n-#\n-decodetree_py = meson.current_source_dir() / '../../scripts/decodetree.py'\n-decode_normal_generated = custom_target(\n- 'decode_normal_generated.c.inc',\n- output: 'decode_normal_generated.c.inc',\n- input: normal_decode_generated,\n- env: {'PYTHONPATH': meson.current_build_dir()},\n- command: [python, files(decodetree_py), normal_decode_generated, '--static-decode=decode_normal', '-o', '@OUTPUT@'],\n-)\n-hexagon_ss.add(decode_normal_generated)\n-\n-decode_hvx_generated = custom_target(\n- 'decode_hvx_generated.c.inc',\n- output: 'decode_hvx_generated.c.inc',\n- input: hvx_decode_generated,\n- env: {'PYTHONPATH': meson.current_build_dir()},\n- command: [python, files(decodetree_py), hvx_decode_generated, '--static-decode=decode_hvx', '-o', '@OUTPUT@'],\n-)\n-hexagon_ss.add(decode_hvx_generated)\n-\n-decode_subinsn_a_generated = custom_target(\n- 'decode_subinsn_a_generated.c.inc',\n- output: 'decode_subinsn_a_generated.c.inc',\n- input: subinsn_a_decode_generated,\n- env: {'PYTHONPATH': meson.current_build_dir()},\n- command: [python, files(decodetree_py), subinsn_a_decode_generated, ['--static-decode=decode_subinsn_a', '--insnwidth=16'], '-o', '@OUTPUT@'],\n-)\n-hexagon_ss.add(decode_subinsn_a_generated)\n-\n-decode_subinsn_l1_generated = custom_target(\n- 'decode_subinsn_l1_generated.c.inc',\n- output: 'decode_subinsn_l1_generated.c.inc',\n- input: subinsn_l1_decode_generated,\n- env: {'PYTHONPATH': meson.current_build_dir()},\n- command: [python, files(decodetree_py), subinsn_l1_decode_generated, ['--static-decode=decode_subinsn_l1', '--insnwidth=16'], '-o', '@OUTPUT@'],\n-)\n-hexagon_ss.add(decode_subinsn_l1_generated)\n-\n-decode_subinsn_l2_generated = custom_target(\n- 'decode_subinsn_l2_generated.c.inc',\n- output: 'decode_subinsn_l2_generated.c.inc',\n- input: subinsn_l2_decode_generated,\n- env: {'PYTHONPATH': meson.current_build_dir()},\n- command: [python, files(decodetree_py), subinsn_l2_decode_generated, ['--static-decode=decode_subinsn_l2', '--insnwidth=16'], '-o', '@OUTPUT@'],\n-)\n-hexagon_ss.add(decode_subinsn_l2_generated)\n-\n-decode_subinsn_s1_generated = custom_target(\n- 'decode_subinsn_s1_generated.c.inc',\n- output: 'decode_subinsn_s1_generated.c.inc',\n- input: subinsn_s1_decode_generated,\n- env: {'PYTHONPATH': meson.current_build_dir()},\n- command: [python, files(decodetree_py), subinsn_s1_decode_generated, ['--static-decode=decode_subinsn_s1', '--insnwidth=16'], '-o', '@OUTPUT@'],\n-)\n-hexagon_ss.add(decode_subinsn_s1_generated)\n-\n-decode_subinsn_s2_generated = custom_target(\n- 'decode_subinsn_s2_generated.c.inc',\n- output: 'decode_subinsn_s2_generated.c.inc',\n- input: subinsn_s2_decode_generated,\n- env: {'PYTHONPATH': meson.current_build_dir()},\n- command: [python, files(decodetree_py), subinsn_s2_decode_generated, ['--static-decode=decode_subinsn_s2', '--insnwidth=16'], '-o', '@OUTPUT@'],\n-)\n-hexagon_ss.add(decode_subinsn_s2_generated)\n+ # Run the QEMU decodetree.py script to produce the instruction decoder\n+ hexagon_ss.add(decodetree.process(decodetree_file, extra_args: decodetree_options))\n+endforeach\n \n #\n # Generate the trans_* functions that the decoder will use\n","prefixes":["1/2"]}