[PATCH 22/29] tcg_i386_funcs: Add update_fp_status to TCGI386ModuleOps

[Gerd Hoffmann]

Also add TCGI386ModuleOps struct, which works like TCGModuleOps
but for i386-specific functions.

Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
---
 include/tcg/tcg-module-i386.h |  9 +++++++++
 target/i386/cpu.h             |  4 ++--
 accel/tcg/tcg-module-i386.c   | 10 ++++++++++
 target/i386/machine.c         |  2 +-
 target/i386/tcg/fpu_helper.c  |  9 ++++++++-
 accel/tcg/meson.build         |  6 ++++++
 6 files changed, 36 insertions(+), 4 deletions(-)
 create mode 100644 include/tcg/tcg-module-i386.h
 create mode 100644 accel/tcg/tcg-module-i386.c

diff --git a/include/tcg/tcg-module-i386.h b/include/tcg/tcg-module-i386.h
new file mode 100644
index 000000000000..3854b506d5dc
--- /dev/null
+++ b/include/tcg/tcg-module-i386.h
@@ -0,0 +1,9 @@
+#ifndef TCG_MODULE_I386_H
+#define TCG_MODULE_I386_H
+
+struct TCGI386ModuleOps {
+    void (*update_fp_status)(CPUX86State *env);
+};
+extern struct TCGI386ModuleOps tcg_i386;
+
+#endif /* TCG_MODULE_I386_H */
diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index 6c50d3ab4f1d..5769c1292683 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -1802,6 +1802,7 @@ struct X86CPU {
     int32_t hv_max_vps;
 };
 
+#include "tcg/tcg-module-i386.h"
 
 #ifndef CONFIG_USER_ONLY
 extern const VMStateDescription vmstate_x86_cpu;
@@ -2127,7 +2128,6 @@ static inline bool cpu_vmx_maybe_enabled(CPUX86State *env)
 int get_pg_mode(CPUX86State *env);
 
 /* fpu_helper.c */
-void update_fp_status(CPUX86State *env);
 void update_mxcsr_status(CPUX86State *env);
 void update_mxcsr_from_sse_status(CPUX86State *env);
 
@@ -2143,7 +2143,7 @@ static inline void cpu_set_fpuc(CPUX86State *env, 
uint16_t fpuc)
 {
      env->fpuc = fpuc;
      if (tcg_enabled()) {
-        update_fp_status(env);
+        tcg_i386.update_fp_status(env);
      }
 }
 
diff --git a/accel/tcg/tcg-module-i386.c b/accel/tcg/tcg-module-i386.c
new file mode 100644
index 000000000000..41ce2ba4eb76
--- /dev/null
+++ b/accel/tcg/tcg-module-i386.c
@@ -0,0 +1,10 @@
+#include "qemu/osdep.h"
+#include "cpu.h"
+
+static void i386_update_cpu_stub(CPUX86State *cpu)
+{
+}
+
+struct TCGI386ModuleOps tcg_i386 = {
+    .update_fp_status = i386_update_cpu_stub,
+};
diff --git a/target/i386/machine.c b/target/i386/machine.c
index 571e98853c64..7f5d80766f28 100644
--- a/target/i386/machine.c
+++ b/target/i386/machine.c
@@ -371,7 +371,7 @@ static int cpu_post_load(void *opaque, int version_id)
     }
     if (tcg_enabled()) {
         target_ulong dr7;
-        update_fp_status(env);
+        tcg_i386.update_fp_status(env);
         update_mxcsr_status(env);
 
         cpu_breakpoint_remove_all(cs, BP_CPU);
diff --git a/target/i386/tcg/fpu_helper.c b/target/i386/tcg/fpu_helper.c
index eddf0bb9dfc4..0f7206e834fd 100644
--- a/target/i386/tcg/fpu_helper.c
+++ b/target/i386/tcg/fpu_helper.c
@@ -672,7 +672,7 @@ uint32_t helper_fnstcw(CPUX86State *env)
     return env->fpuc;
 }
 
-void update_fp_status(CPUX86State *env)
+static void update_fp_status(CPUX86State *env)
 {
     FloatRoundMode rnd_mode;
     FloatX80RoundPrec rnd_prec;
@@ -3039,3 +3039,10 @@ void helper_movq(CPUX86State *env, void *d, void *s)
 
 #define SHIFT 1
 #include "ops_sse.h"
+
+static void tcgi386_module_ops_fpu(void)
+{
+    tcg_i386.update_fp_status = update_fp_status;
+}
+
+type_init(tcgi386_module_ops_fpu);
diff --git a/accel/tcg/meson.build b/accel/tcg/meson.build
index 93cbbf9f3926..7f1fdd68233b 100644
--- a/accel/tcg/meson.build
+++ b/accel/tcg/meson.build
@@ -1,6 +1,12 @@
 specific_ss.add(files(
   'tcg-module.c',
 ))
+specific_ss.add(when: 'TARGET_I386', if_true: files(
+  'tcg-module-i386.c',
+))
+specific_ss.add(when: 'TARGET_X86_64', if_true: files(
+  'tcg-module-i386.c',
+))
 
 specific_ss.add(when: 'CONFIG_TCG', if_true: files(
   'cpu-exec-common.c',
-- 
2.31.1