pan/bi: Use new disassembler

We still use the clause/register decoding, but we now use the
metaprogrammed instruction decoding for the bulk of the operation.

We add a meson rule to call out to the Python generator script during
the build process.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6749>

src/panfrost/bifrost/meson.build

@@ -46,9 +46,17 @@ bifrost_nir_algebraic_c = custom_target(
   depend_files : nir_algebraic_py,
 )
 
+bifrost_gen_disasm_c = custom_target(
+  'bifrost_gen_disasm.c',
+  input : ['gen_disasm.py', 'ISA.xml'],
+  output : 'bifrost_gen_disasm.c',
+  command : [prog_python, '@INPUT@'],
+  capture : true,
+)
+
 libpanfrost_bifrost_disasm = static_library(
   'panfrost_bifrost_disasm',
-  ['disassemble.c', 'bi_print_common.c'],
+  ['disassemble.c', 'bi_print_common.c', bifrost_gen_disasm_c],
   include_directories : [inc_include, inc_src, inc_mapi, inc_mesa, inc_gallium, inc_gallium_aux, inc_panfrost_hw],
   dependencies: [idep_nir],
   link_with: [libpanfrost_util],