linux-user/hppa: Create init_main_thread

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>

1 files changed, 11 insertions, 7 deletions

diff --git a/linux-user/hppa/cpu_loop.c b/linux-user/hppa/cpu_loop.c
index 9abaad5ef8..3af50653bb 100644
--- a/linux-user/hppa/cpu_loop.c
+++ b/linux-user/hppa/cpu_loop.c
@@ -196,12 +196,16 @@ void cpu_loop(CPUHPPAState *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 = 1; i < 32; i++) {
-        env->gr[i] = regs->gr[i];
-    }
-    env->iaoq_f = regs->iaoq[0];
-    env->iaoq_b = regs->iaoq[1];
+    CPUArchState *env = cpu_env(cs);
+
+    env->iaoq_f = info->entry | PRIV_USER;
+    env->iaoq_b = env->iaoq_f + 4;
+    env->gr[23] = 0;
+    env->gr[24] = info->argv;
+    env->gr[25] = info->argc;
+    /* The top-of-stack contains a linkage buffer.  */
+    env->gr[30] = info->start_stack + 64;
+    env->gr[31] = info->entry;
 }