target/riscv: move debug.h to tcg subdir

riscv_trigger_* APIs are TCG only.  Wrap the usages we have of them
in cpu.c with CONFIG_TCG.

After that we can move the header to the tcg subdir.  This will be
enough to get this out of the way for the --disable-tcg build.

Signed-off-by: Daniel Henrique Barboza <daniel.barboza@oss.qualcomm.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@oss.qualcomm.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20260703180538.3346781-9-daniel.barboza@oss.qualcomm.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv/cpu.c

@@ -39,7 +39,7 @@
 #include "kvm/kvm_riscv.h"
 #include "tcg/tcg-cpu.h"
 #if !defined(CONFIG_USER_ONLY)
-#include "target/riscv/debug.h"
+#include "target/riscv/tcg/debug.h"
 #endif
 
 /* RISC-V CPU definitions */
@@ -856,9 +856,11 @@ static void riscv_cpu_reset_hold(Object *obj, ResetType type)
     env->vill = true;
 
 #ifndef CONFIG_USER_ONLY
+#ifdef CONFIG_TCG
     if (cpu->cfg.debug) {
         riscv_trigger_reset_hold(env);
     }
+#endif
 
     if (cpu->cfg.ext_smrnmi) {
         env->rnmip = 0;
@@ -1016,7 +1018,7 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp)
 
     riscv_cpu_register_gdb_regs_for_features(cs);
 
-#ifndef CONFIG_USER_ONLY
+#if defined(CONFIG_TCG) && !defined(CONFIG_USER_ONLY)
     if (cpu->cfg.debug) {
         riscv_trigger_realize(&cpu->env);
     }
@@ -1031,7 +1033,7 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp)
 static void riscv_cpu_unrealize(DeviceState *dev)
 {
     RISCVCPUClass *mcc = RISCV_CPU_GET_CLASS(dev);
-#ifndef CONFIG_USER_ONLY
+#if defined(CONFIG_TCG) && !defined(CONFIG_USER_ONLY)
     RISCVCPU *cpu = RISCV_CPU(dev);
 
     if (cpu->cfg.debug) {

target/riscv/machine.c

@@ -23,7 +23,7 @@
 #include "system/tcg.h"
 #include "migration/cpu.h"
 #include "exec/icount.h"
-#include "target/riscv/debug.h"
+#include "target/riscv/tcg/debug.h"
 #include "hw/riscv/machines-qom.h"
 
 static bool pmp_needed(void *opaque)

target/riscv/tcg/cpu_helper.c

@@ -35,7 +35,7 @@
 #include "semihosting/common-semi.h"
 #include "exec/icount.h"
 #include "cpu_bits.h"
-#include "target/riscv/debug.h"
+#include "target/riscv/tcg/debug.h"
 #include "pmp.h"
 #include "qemu/plugin.h"
 

target/riscv/tcg/csr.c

@@ -34,7 +34,7 @@
 #include "tcg/insn-start-words.h"
 #include "internals.h"
 #if !defined(CONFIG_USER_ONLY)
-#include "target/riscv/debug.h"
+#include "target/riscv/tcg/debug.h"
 #endif
 
 /* CSR function table public API */

target/riscv/tcg/debug.c

@@ -28,7 +28,7 @@
 #include "qapi/error.h"
 #include "qemu/error-report.h"
 #include "cpu.h"
-#include "target/riscv/debug.h"
+#include "target/riscv/tcg/debug.h"
 #include "trace.h"
 #include "exec/helper-proto.h"
 #include "exec/watchpoint.h"

target/riscv/tcg/tcg-cpu.c

@@ -37,7 +37,7 @@
 #include "hw/core/boards.h"
 #include "system/tcg.h"
 #include "exec/icount.h"
-#include "target/riscv/debug.h"
+#include "target/riscv/tcg/debug.h"
 #endif
 
 /* Hash that stores user set extensions */