Merge init_thread and target_cpu_copy_regs.
There's no point going through a target_pt_regs intermediate.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 linux-user/elfload.c        |  9 +--------
 linux-user/s390x/cpu_loop.c | 15 ++++++++-------
 2 files changed, 9 insertions(+), 15 deletions(-)

diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index a7de852d4d..16aa09214e 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -798,14 +798,7 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs, const CPUM68KState *e
 #define ELF_DATA	ELFDATA2MSB
 #define ELF_ARCH	EM_S390
 
-static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop)
-{
-    regs->psw.addr = infop->entry;
-    regs->psw.mask = PSW_MASK_DAT | PSW_MASK_IO | PSW_MASK_EXT | \
-                     PSW_MASK_MCHECK | PSW_MASK_PSTATE | PSW_MASK_64 | \
-                     PSW_MASK_32;
-    regs->gprs[15] = infop->start_stack;
-}
+#define HAVE_INIT_MAIN_THREAD
 
 /* See linux kernel: arch/s390/include/uapi/asm/ptrace.h (s390_regs).  */
 #define ELF_NREG 27
diff --git a/linux-user/s390x/cpu_loop.c b/linux-user/s390x/cpu_loop.c
index c9124444ed..49e44548f8 100644
--- a/linux-user/s390x/cpu_loop.c
+++ b/linux-user/s390x/cpu_loop.c
@@ -180,12 +180,13 @@ void cpu_loop(CPUS390XState *env)
     }
 }
 
-void target_cpu_copy_regs(CPUArchState *env, target_pt_regs *regs)
+void init_main_thread(CPUState *cs, struct image_info *info)
 {
-    int i;
-    for (i = 0; i < 16; i++) {
-        env->regs[i] = regs->gprs[i];
-    }
-    env->psw.mask = regs->psw.mask;
-    env->psw.addr = regs->psw.addr;
+    CPUArchState *env = cpu_env(cs);
+
+    env->psw.addr = info->entry;
+    env->psw.mask = PSW_MASK_DAT | PSW_MASK_IO | PSW_MASK_EXT |
+                    PSW_MASK_MCHECK | PSW_MASK_PSTATE | PSW_MASK_64 |
+                    PSW_MASK_32;
+    env->regs[15] = info->start_stack;
 }
-- 
2.43.0