[PATCH v2 07/16] target/riscv: Move TCG-specific files to target/riscv/tcg/

["Philippe Mathieu-Daudé" <philmd@linaro.org>]

Move TCG-specific files to the a new 'tcg' sub-directory. Add
stubs for riscv_cpu_[get/set]_fflags and riscv_raise_exception().
Adapt meson rules.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 target/riscv/{ => tcg}/XVentanaCondOps.decode |  0
 target/riscv/{ => tcg}/insn16.decode          |  0
 target/riscv/{ => tcg}/insn32.decode          |  0
 target/riscv/{ => tcg}/xthead.decode          |  0
 target/riscv/{ => tcg}/bitmanip_helper.c      |  0
 target/riscv/{ => tcg}/crypto_helper.c        |  0
 target/riscv/{ => tcg}/fpu_helper.c           |  0
 target/riscv/{ => tcg}/m128_helper.c          |  0
 target/riscv/{ => tcg}/op_helper.c            |  0
 target/riscv/tcg/tcg-stub.c                   | 25 +++++++++++++++++++
 target/riscv/{ => tcg}/translate.c            |  0
 target/riscv/{ => tcg}/vector_helper.c        |  0
 target/riscv/{ => tcg}/zce_helper.c           |  0
 target/riscv/meson.build                      | 18 +------------
 target/riscv/tcg/meson.build                  | 19 ++++++++++++++
 15 files changed, 45 insertions(+), 17 deletions(-)
 rename target/riscv/{ => tcg}/XVentanaCondOps.decode (100%)
 rename target/riscv/{ => tcg}/insn16.decode (100%)
 rename target/riscv/{ => tcg}/insn32.decode (100%)
 rename target/riscv/{ => tcg}/xthead.decode (100%)
 rename target/riscv/{ => tcg}/bitmanip_helper.c (100%)
 rename target/riscv/{ => tcg}/crypto_helper.c (100%)
 rename target/riscv/{ => tcg}/fpu_helper.c (100%)
 rename target/riscv/{ => tcg}/m128_helper.c (100%)
 rename target/riscv/{ => tcg}/op_helper.c (100%)
 create mode 100644 target/riscv/tcg/tcg-stub.c
 rename target/riscv/{ => tcg}/translate.c (100%)
 rename target/riscv/{ => tcg}/vector_helper.c (100%)
 rename target/riscv/{ => tcg}/zce_helper.c (100%)
 create mode 100644 target/riscv/tcg/meson.build

diff --git a/target/riscv/XVentanaCondOps.decode b/target/riscv/tcg/XVentanaCondOps.decode
similarity index 100%
rename from target/riscv/XVentanaCondOps.decode
rename to target/riscv/tcg/XVentanaCondOps.decode
diff --git a/target/riscv/insn16.decode b/target/riscv/tcg/insn16.decode
similarity index 100%
rename from target/riscv/insn16.decode
rename to target/riscv/tcg/insn16.decode
diff --git a/target/riscv/insn32.decode b/target/riscv/tcg/insn32.decode
similarity index 100%
rename from target/riscv/insn32.decode
rename to target/riscv/tcg/insn32.decode
diff --git a/target/riscv/xthead.decode b/target/riscv/tcg/xthead.decode
similarity index 100%
rename from target/riscv/xthead.decode
rename to target/riscv/tcg/xthead.decode
diff --git a/target/riscv/bitmanip_helper.c b/target/riscv/tcg/bitmanip_helper.c
similarity index 100%
rename from target/riscv/bitmanip_helper.c
rename to target/riscv/tcg/bitmanip_helper.c
diff --git a/target/riscv/crypto_helper.c b/target/riscv/tcg/crypto_helper.c
similarity index 100%
rename from target/riscv/crypto_helper.c
rename to target/riscv/tcg/crypto_helper.c
diff --git a/target/riscv/fpu_helper.c b/target/riscv/tcg/fpu_helper.c
similarity index 100%
rename from target/riscv/fpu_helper.c
rename to target/riscv/tcg/fpu_helper.c
diff --git a/target/riscv/m128_helper.c b/target/riscv/tcg/m128_helper.c
similarity index 100%
rename from target/riscv/m128_helper.c
rename to target/riscv/tcg/m128_helper.c
diff --git a/target/riscv/op_helper.c b/target/riscv/tcg/op_helper.c
similarity index 100%
rename from target/riscv/op_helper.c
rename to target/riscv/tcg/op_helper.c
diff --git a/target/riscv/tcg/tcg-stub.c b/target/riscv/tcg/tcg-stub.c
new file mode 100644
index 0000000000..dfe42ae2ac
--- /dev/null
+++ b/target/riscv/tcg/tcg-stub.c
@@ -0,0 +1,25 @@
+/*
+ * QEMU RISC-V TCG stubs
+ *
+ * Copyright (c) 2023 Linaro
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+#include "qemu/osdep.h"
+#include "cpu.h"
+
+target_ulong riscv_cpu_get_fflags(CPURISCVState *env)
+{
+    g_assert_not_reached();
+}
+
+void riscv_cpu_set_fflags(CPURISCVState *env, target_ulong)
+{
+    g_assert_not_reached();
+}
+
+G_NORETURN void riscv_raise_exception(CPURISCVState *env,
+                                      uint32_t exception, uintptr_t pc)
+{
+    g_assert_not_reached();
+}
diff --git a/target/riscv/translate.c b/target/riscv/tcg/translate.c
similarity index 100%
rename from target/riscv/translate.c
rename to target/riscv/tcg/translate.c
diff --git a/target/riscv/vector_helper.c b/target/riscv/tcg/vector_helper.c
similarity index 100%
rename from target/riscv/vector_helper.c
rename to target/riscv/tcg/vector_helper.c
diff --git a/target/riscv/zce_helper.c b/target/riscv/tcg/zce_helper.c
similarity index 100%
rename from target/riscv/zce_helper.c
rename to target/riscv/tcg/zce_helper.c
diff --git a/target/riscv/meson.build b/target/riscv/meson.build
index 8967dfaded..8ef47f43f9 100644
--- a/target/riscv/meson.build
+++ b/target/riscv/meson.build
@@ -1,34 +1,18 @@
-# FIXME extra_args should accept files()
-gen = [
-  decodetree.process('insn16.decode', extra_args: ['--static-decode=decode_insn16', '--insnwidth=16']),
-  decodetree.process('insn32.decode', extra_args: '--static-decode=decode_insn32'),
-  decodetree.process('xthead.decode', extra_args: '--static-decode=decode_xthead'),
-  decodetree.process('XVentanaCondOps.decode', extra_args: '--static-decode=decode_XVentanaCodeOps'),
-]
-
 riscv_ss = ss.source_set()
 riscv_system_ss = ss.source_set()
 
-riscv_ss.add(gen)
 riscv_ss.add(files(
   'cpu.c',
   'cpu_helper.c',
   'csr.c',
-  'fpu_helper.c',
   'gdbstub.c',
-  'op_helper.c',
-  'vector_helper.c',
-  'bitmanip_helper.c',
-  'translate.c',
-  'm128_helper.c',
-  'crypto_helper.c',
-  'zce_helper.c'
 ))
 
 riscv_system_ss.add(files(
   'debug.c',
 ))
 
+subdir('tcg')
 subdir('sysemu')
 
 target_arch += {'riscv': riscv_ss}
diff --git a/target/riscv/tcg/meson.build b/target/riscv/tcg/meson.build
new file mode 100644
index 0000000000..65670493b1
--- /dev/null
+++ b/target/riscv/tcg/meson.build
@@ -0,0 +1,19 @@
+# FIXME extra_args should accept files()
+gen = [
+  decodetree.process('insn16.decode', extra_args: ['--static-decode=decode_insn16', '--insnwidth=16']),
+  decodetree.process('insn32.decode', extra_args: '--static-decode=decode_insn32'),
+  decodetree.process('xthead.decode', extra_args: '--static-decode=decode_xthead'),
+  decodetree.process('XVentanaCondOps.decode', extra_args: '--static-decode=decode_XVentanaCodeOps'),
+]
+riscv_ss.add(when: 'CONFIG_TCG', if_true: gen)
+
+riscv_ss.add(when: 'CONFIG_TCG', if_true: files(
+  'fpu_helper.c',
+  'op_helper.c',
+  'vector_helper.c',
+  'bitmanip_helper.c',
+  'translate.c',
+  'm128_helper.c',
+  'crypto_helper.c',
+  'zce_helper.c',
+), if_false: files('tcg-stub.c'))
-- 
2.38.1