[PULL 38/46] linux-user/alpha: Create init_main_thread

[Richard Henderson <richard.henderson@linaro.org>]

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

Note that init_thread had set ps in target_pt_regs, but
target_cpu_copy_regs did not copy to env.  This turns out to be
ok because alpha_cpu_initfn initializes flags properly.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 linux-user/alpha/cpu_loop.c | 11 ++++-------
 linux-user/elfload.c        |  8 +-------
 2 files changed, 5 insertions(+), 14 deletions(-)

diff --git a/linux-user/alpha/cpu_loop.c b/linux-user/alpha/cpu_loop.c
index 80ad536c5f..728b64906d 100644
--- a/linux-user/alpha/cpu_loop.c
+++ b/linux-user/alpha/cpu_loop.c
@@ -173,13 +173,10 @@ void cpu_loop(CPUAlphaState *env)
     }
 }
 
-void target_cpu_copy_regs(CPUArchState *env, target_pt_regs *regs)
+void init_main_thread(CPUState *cs, struct image_info *info)
 {
-    int i;
+    CPUArchState *env = cpu_env(cs);
 
-    for(i = 0; i < 28; i++) {
-        env->ir[i] = ((abi_ulong *)regs)[i];
-    }
-    env->ir[IR_SP] = regs->usp;
-    env->pc = regs->pc;
+    env->pc = info->entry;
+    env->ir[IR_SP] = info->start_stack;
 }
diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index 46150586af..a7de852d4d 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -786,13 +786,7 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs, const CPUM68KState *e
 #define ELF_CLASS      ELFCLASS64
 #define ELF_ARCH       EM_ALPHA
 
-static inline void init_thread(struct target_pt_regs *regs,
-                               struct image_info *infop)
-{
-    regs->pc = infop->entry;
-    regs->ps = 8;
-    regs->usp = infop->start_stack;
-}
+#define HAVE_INIT_MAIN_THREAD
 
 #define ELF_EXEC_PAGESIZE        8192
 
-- 
2.43.0