target/s390x: Reduce s390_store_status() scope

s390_store_status() is only called within sigp.c,
move it and the SigpSaveArea 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: <20251002091132.65703-9-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>

diff --git a/target/s390x/helper.c b/target/s390x/helper.c
index 84321e1d68e68a9b024e53fb0961dcf97764927c..184428c6d9de8017e3972071ac3c63b9c8ce47eb 100644 (file)
--- a/target/s390x/helper.c
+++ b/target/s390x/helper.c
@@ -24,7 +24,6 @@
 #include "gdbstub/helpers.h"
 #include "qemu/timer.h"
 #include "hw/s390x/ioinst.h"
-#include "target/s390x/kvm/pv.h"
 #include "system/hw_accel.h"
 #include "system/memory.h"
 #include "system/runstate.h"
@@ -182,69 +181,3 @@ void s390_cpu_recompute_watchpoints(CPUState *cs)
                               wp_flags, NULL);
     }
 }
-
-typedef struct SigpSaveArea {
-    uint64_t    fprs[16];                       /* 0x0000 */
-    uint64_t    grs[16];                        /* 0x0080 */
-    PSW         psw;                            /* 0x0100 */
-    uint8_t     pad_0x0110[0x0118 - 0x0110];    /* 0x0110 */
-    uint32_t    prefix;                         /* 0x0118 */
-    uint32_t    fpc;                            /* 0x011c */
-    uint8_t     pad_0x0120[0x0124 - 0x0120];    /* 0x0120 */
-    uint32_t    todpr;                          /* 0x0124 */
-    uint64_t    cputm;                          /* 0x0128 */
-    uint64_t    ckc;                            /* 0x0130 */
-    uint8_t     pad_0x0138[0x0140 - 0x0138];    /* 0x0138 */
-    uint32_t    ars[16];                        /* 0x0140 */
-    uint64_t    crs[16];                        /* 0x0384 */
-} SigpSaveArea;
-QEMU_BUILD_BUG_ON(sizeof(SigpSaveArea) != 512);
-
-int s390_store_status(S390CPU *cpu, hwaddr addr, bool store_arch)
-{
-    static const uint8_t ar_id = 1;
-    SigpSaveArea *sa;
-    hwaddr len = sizeof(*sa);
-    int i;
-
-    /* For PVMs storing will occur when this cpu enters SIE again */
-    if (s390_is_pv()) {
-        return 0;
-    }
-
-    sa = cpu_physical_memory_map(addr, &len, true);
-    if (!sa) {
-        return -EFAULT;
-    }
-    if (len != sizeof(*sa)) {
-        cpu_physical_memory_unmap(sa, len, 1, 0);
-        return -EFAULT;
-    }
-
-    if (store_arch) {
-        cpu_physical_memory_write(offsetof(LowCore, ar_access_id), &ar_id, 1);
-    }
-    for (i = 0; i < 16; ++i) {
-        sa->fprs[i] = cpu_to_be64(*get_freg(&cpu->env, i));
-    }
-    for (i = 0; i < 16; ++i) {
-        sa->grs[i] = cpu_to_be64(cpu->env.regs[i]);
-    }
-    sa->psw.addr = cpu_to_be64(cpu->env.psw.addr);
-    sa->psw.mask = cpu_to_be64(s390_cpu_get_psw_mask(&cpu->env));
-    sa->prefix = cpu_to_be32(cpu->env.psa);
-    sa->fpc = cpu_to_be32(cpu->env.fpc);
-    sa->todpr = cpu_to_be32(cpu->env.todpr);
-    sa->cputm = cpu_to_be64(cpu->env.cputm);
-    sa->ckc = cpu_to_be64(cpu->env.ckc >> 8);
-    for (i = 0; i < 16; ++i) {
-        sa->ars[i] = cpu_to_be32(cpu->env.aregs[i]);
-    }
-    for (i = 0; i < 16; ++i) {
-        sa->crs[i] = cpu_to_be64(cpu->env.cregs[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 a49dca94a75fe418d1c3dcf5248812a97aadd3a0..9691366ec916e0ac2984c67ec7133c841c442e26 100644 (file)
--- a/target/s390x/s390x-internal.h
+++ b/target/s390x/s390x-internal.h
@@ -323,8 +323,6 @@ void s390x_cpu_timer(void *opaque);
 void s390_handle_wait(S390CPU *cpu);
 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);
 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 1464be76983d18d891d70f808c771e3b4812634f..2487acdb49ef4b664a496ab46b590bbcbfdb35fb 100644 (file)
--- a/target/s390x/sigp.c
+++ b/target/s390x/sigp.c
@@ -19,6 +19,7 @@
 #include "system/tcg.h"
 #include "trace.h"
 #include "qapi/qapi-types-machine.h"
+#include "target/s390x/kvm/pv.h"
 
 QemuMutex qemu_sigp_mutex;
 
@@ -126,6 +127,73 @@ static void sigp_stop(CPUState *cs, run_on_cpu_data arg)
     si->cc = SIGP_CC_ORDER_CODE_ACCEPTED;
 }
 
+typedef struct SigpSaveArea {
+    uint64_t    fprs[16];                       /* 0x0000 */
+    uint64_t    grs[16];                        /* 0x0080 */
+    PSW         psw;                            /* 0x0100 */
+    uint8_t     pad_0x0110[0x0118 - 0x0110];    /* 0x0110 */
+    uint32_t    prefix;                         /* 0x0118 */
+    uint32_t    fpc;                            /* 0x011c */
+    uint8_t     pad_0x0120[0x0124 - 0x0120];    /* 0x0120 */
+    uint32_t    todpr;                          /* 0x0124 */
+    uint64_t    cputm;                          /* 0x0128 */
+    uint64_t    ckc;                            /* 0x0130 */
+    uint8_t     pad_0x0138[0x0140 - 0x0138];    /* 0x0138 */
+    uint32_t    ars[16];                        /* 0x0140 */
+    uint64_t    crs[16];                        /* 0x0384 */
+} SigpSaveArea;
+QEMU_BUILD_BUG_ON(sizeof(SigpSaveArea) != 512);
+
+#define S390_STORE_STATUS_DEF_ADDR offsetof(LowCore, floating_pt_save_area)
+static int s390_store_status(S390CPU *cpu, hwaddr addr, bool store_arch)
+{
+    static const uint8_t ar_id = 1;
+    SigpSaveArea *sa;
+    hwaddr len = sizeof(*sa);
+    int i;
+
+    /* For PVMs storing will occur when this cpu enters SIE again */
+    if (s390_is_pv()) {
+        return 0;
+    }
+
+    sa = cpu_physical_memory_map(addr, &len, true);
+    if (!sa) {
+        return -EFAULT;
+    }
+    if (len != sizeof(*sa)) {
+        cpu_physical_memory_unmap(sa, len, 1, 0);
+        return -EFAULT;
+    }
+
+    if (store_arch) {
+        cpu_physical_memory_write(offsetof(LowCore, ar_access_id), &ar_id, 1);
+    }
+    for (i = 0; i < 16; ++i) {
+        sa->fprs[i] = cpu_to_be64(*get_freg(&cpu->env, i));
+    }
+    for (i = 0; i < 16; ++i) {
+        sa->grs[i] = cpu_to_be64(cpu->env.regs[i]);
+    }
+    sa->psw.addr = cpu_to_be64(cpu->env.psw.addr);
+    sa->psw.mask = cpu_to_be64(s390_cpu_get_psw_mask(&cpu->env));
+    sa->prefix = cpu_to_be32(cpu->env.psa);
+    sa->fpc = cpu_to_be32(cpu->env.fpc);
+    sa->todpr = cpu_to_be32(cpu->env.todpr);
+    sa->cputm = cpu_to_be64(cpu->env.cputm);
+    sa->ckc = cpu_to_be64(cpu->env.ckc >> 8);
+    for (i = 0; i < 16; ++i) {
+        sa->ars[i] = cpu_to_be32(cpu->env.aregs[i]);
+    }
+    for (i = 0; i < 16; ++i) {
+        sa->crs[i] = cpu_to_be64(cpu->env.cregs[i]);
+    }
+
+    cpu_physical_memory_unmap(sa, len, 1, len);
+
+    return 0;
+}
+
 static void sigp_stop_and_store_status(CPUState *cs, run_on_cpu_data arg)
 {
     S390CPU *cpu = S390_CPU(cs);