target/s390x: Reduce s390_store_adtl_status() scope

s390_store_adtl_status() is only called within sigp.c,
move it and the SigpAdtlSaveArea structure definition
there where it belongs, with other SIGP handling code.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20251002091132.65703-8-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>

3 files changed, 40 insertions, 41 deletions

diff --git a/target/s390x/helper.c b/target/s390x/helper.c
index b01b7d9..84321e1 100644
--- a/target/s390x/helper.c
+++ b/target/s390x/helper.c
@@ -248,43 +248,3 @@ int s390_store_status(S390CPU *cpu, hwaddr addr, bool store_arch)
 
     return 0;
 }
-
-typedef struct SigpAdtlSaveArea {
-    uint64_t    vregs[32][2];                     /* 0x0000 */
-    uint8_t     pad_0x0200[0x0400 - 0x0200];      /* 0x0200 */
-    uint64_t    gscb[4];                          /* 0x0400 */
-    uint8_t     pad_0x0420[0x1000 - 0x0420];      /* 0x0420 */
-} SigpAdtlSaveArea;
-QEMU_BUILD_BUG_ON(sizeof(SigpAdtlSaveArea) != 4096);
-
-#define ADTL_GS_MIN_SIZE 2048 /* minimal size of adtl save area for GS */
-int s390_store_adtl_status(S390CPU *cpu, hwaddr addr, hwaddr len)
-{
-    SigpAdtlSaveArea *sa;
-    hwaddr save = len;
-    int i;
-
-    sa = cpu_physical_memory_map(addr, &save, true);
-    if (!sa) {
-        return -EFAULT;
-    }
-    if (save != len) {
-        cpu_physical_memory_unmap(sa, len, 1, 0);
-        return -EFAULT;
-    }
-
-    if (s390_has_feat(S390_FEAT_VECTOR)) {
-        for (i = 0; i < 32; i++) {
-            sa->vregs[i][0] = cpu_to_be64(cpu->env.vregs[i][0]);
-            sa->vregs[i][1] = cpu_to_be64(cpu->env.vregs[i][1]);
-        }
-    }
-    if (s390_has_feat(S390_FEAT_GUARDED_STORAGE) && len >= ADTL_GS_MIN_SIZE) {
-        for (i = 0; i < 4; i++) {
-            sa->gscb[i] = cpu_to_be64(cpu->env.gscb[i]);
-        }
-    }
-
-    cpu_physical_memory_unmap(sa, len, 1, len);
-    return 0;
-}
diff --git a/target/s390x/s390x-internal.h b/target/s390x/s390x-internal.h
index 1fb752a..a49dca9 100644
--- a/target/s390x/s390x-internal.h
+++ b/target/s390x/s390x-internal.h
@@ -325,7 +325,6 @@ hwaddr s390_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
 hwaddr s390_cpu_get_phys_addr_debug(CPUState *cpu, vaddr addr);
 #define S390_STORE_STATUS_DEF_ADDR offsetof(LowCore, floating_pt_save_area)
 int s390_store_status(S390CPU *cpu, hwaddr addr, bool store_arch);
-int s390_store_adtl_status(S390CPU *cpu, hwaddr addr, hwaddr len);
 LowCore *cpu_map_lowcore(CPUS390XState *env);
 void cpu_unmap_lowcore(CPUS390XState *env, LowCore *lowcore);
 #endif /* CONFIG_USER_ONLY */
diff --git a/target/s390x/sigp.c b/target/s390x/sigp.c
index 5e95c497..1464be7 100644
--- a/target/s390x/sigp.c
+++ b/target/s390x/sigp.c
@@ -172,6 +172,46 @@ static void sigp_store_status_at_address(CPUState *cs, run_on_cpu_data arg)
     si->cc = SIGP_CC_ORDER_CODE_ACCEPTED;
 }
 
+typedef struct SigpAdtlSaveArea {
+    uint64_t    vregs[32][2];                     /* 0x0000 */
+    uint8_t     pad_0x0200[0x0400 - 0x0200];      /* 0x0200 */
+    uint64_t    gscb[4];                          /* 0x0400 */
+    uint8_t     pad_0x0420[0x1000 - 0x0420];      /* 0x0420 */
+} SigpAdtlSaveArea;
+QEMU_BUILD_BUG_ON(sizeof(SigpAdtlSaveArea) != 4096);
+
+#define ADTL_GS_MIN_SIZE 2048 /* minimal size of adtl save area for GS */
+static int s390_store_adtl_status(S390CPU *cpu, hwaddr addr, hwaddr len)
+{
+    SigpAdtlSaveArea *sa;
+    hwaddr save = len;
+    int i;
+
+    sa = cpu_physical_memory_map(addr, &save, true);
+    if (!sa) {
+        return -EFAULT;
+    }
+    if (save != len) {
+        cpu_physical_memory_unmap(sa, len, 1, 0);
+        return -EFAULT;
+    }
+
+    if (s390_has_feat(S390_FEAT_VECTOR)) {
+        for (i = 0; i < 32; i++) {
+            sa->vregs[i][0] = cpu_to_be64(cpu->env.vregs[i][0]);
+            sa->vregs[i][1] = cpu_to_be64(cpu->env.vregs[i][1]);
+        }
+    }
+    if (s390_has_feat(S390_FEAT_GUARDED_STORAGE) && len >= ADTL_GS_MIN_SIZE) {
+        for (i = 0; i < 4; i++) {
+            sa->gscb[i] = cpu_to_be64(cpu->env.gscb[i]);
+        }
+    }
+
+    cpu_physical_memory_unmap(sa, len, 1, len);
+    return 0;
+}
+
 #define ADTL_SAVE_LC_MASK  0xfUL
 static void sigp_store_adtl_status(CPUState *cs, run_on_cpu_data arg)
 {