accel/tcg: Move cpu_exec_step_atomic() out of 'exec/cpu-common.h'

Move the TCG-specific cpu_exec_step_atomic() declaration out
of the generic "exec/cpu-common.h" header, to the recently
created "accel/tcg/cpu-loop.h" one.

Include "accel/tcg/cpu-loop.h" where appropriate.

Signed-off-by: Philippe Mathieu-Daudé <philmd@oss.qualcomm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20260617171438.75914-6-philmd@oss.qualcomm.com>

accel/tcg/tcg-accel-ops-mttcg.c

@@ -32,6 +32,7 @@
 #include "qemu/notify.h"
 #include "qemu/guest-random.h"
 #include "hw/core/boards.h"
+#include "accel/tcg/cpu-loop.h"
 #include "tcg/startup.h"
 #include "tcg-accel-ops.h"
 #include "tcg-accel-ops-mttcg.h"

accel/tcg/tcg-accel-ops-rr.c

@@ -32,6 +32,7 @@
 #include "qemu/notify.h"
 #include "qemu/guest-random.h"
 #include "exec/cpu-common.h"
+#include "accel/tcg/cpu-loop.h"
 #include "tcg/startup.h"
 #include "tcg-accel-ops.h"
 #include "tcg-accel-ops-rr.h"

include/accel/tcg/cpu-loop.h

@@ -18,4 +18,6 @@
  */
 int cpu_exec(CPUState *cpu);
 
+void cpu_exec_step_atomic(CPUState *cpu);
+
 #endif

include/exec/cpu-common.h

@@ -18,8 +18,6 @@
 #define EXCP_YIELD      0x10004 /* cpu wants to yield timeslice to another */
 #define EXCP_ATOMIC     0x10005 /* stop-the-world and emulate atomic */
 
-void cpu_exec_step_atomic(CPUState *cpu);
-
 #define REAL_HOST_PAGE_ALIGN(addr) ROUND_UP((addr), qemu_real_host_page_size())
 
 /* The CPU list lock nests outside page_(un)lock or mmap_(un)lock */