Merge tag 'pull-lu-20250828' of https://gitlab.com/rth7680/qemu into staging

linux-user: do not print IP socket options by default
linux-user: Add strace for rseq
linux-user: Move get_elf_cpu_model to target/elfload.c
linux-user: Move get_elf_hwcap to target/elfload.c
linux-user: Move get_elf_hwcap2 to target/elfload.c
linux-user: Move get_elf_platform to target/elfload.c
linux-user: Move get_elf_base_platform to target/elfload.c
linux-user: Create init_main_thread in target/cpu_loop.c
semihosting: Retrieve stack top from image_info
semihosting: Initialize heap once per process

# -----BEGIN PGP SIGNATURE-----
#
# iQFRBAABCgA7FiEEekgeeIaLTbaoWgXAZN846K9+IV8FAmive68dHHJpY2hhcmQu
# aGVuZGVyc29uQGxpbmFyby5vcmcACgkQZN846K9+IV+LwwgAsjSjc5Bjal0mc+UI
# Qmb7qbNM7YDhJ4o9eJoT7AfEo3AlR8vhA01/ayfBEKMxYStl4tkZU1jthb7LLTyS
# TfPBsZEBF/ZuTYLV56dfQ/6AJZ2g5OhqJbeVeD8Ef93JK60qgBerCK/D5SfphSfh
# TQtOG0LU2BXzGt8K3WghFxsFQeYcTrNeT5JdtIXYrmGQmDnPh3dOnQrFcO1leFLa
# khUfj7l7bE1Rgqo5h5pveaee4AD3VndYe10zvSVKHKjBL4Zd3hxf3MypNRpDFC0v
# ua9xt4qXtWgEYSkKPj/mipcd9fsb+RKs6kPA3oojwb8DCkFAZ0UogIwmd9/7lz8u
# FMp+iQ==
# =Nu63
# -----END PGP SIGNATURE-----
# gpg: Signature made Thu 28 Aug 2025 07:42:07 AM AEST
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [ultimate]

* tag 'pull-lu-20250828' of https://gitlab.com/rth7680/qemu: (46 commits)
  linux-user: do not print IP socket options by default
  linux-user: Add strace for rseq
  linux-user: Remove do_init_main_thread
  linux-user/hexagon: Create init_main_thread
  linux-user/xtensa: Create init_main_thread
  linux-user/hppa: Create init_main_thread
  linux-user/riscv: Create init_main_thread
  linux-user/s390x: Create init_main_thread
  linux-user/alpha: Create init_main_thread
  linux-user/m68k: Create init_main_thread
  linux-user/sh4: Create init_main_thread
  linux-user/openrisc: Create init_main_thread
  linux-user/microblaze: Create init_main_thread
  linux-user/mips: Create init_main_thread
  linux-user/loongarch64: Create init_main_thread
  linux-user/ppc: Create init_main_thread
  linux-user/sparc: Create init_main_thread
  linux-user/aarch64: Create init_main_thread
  linux-user/arm: Remove a.out startup remenents
  linux-user/arm: Create init_main_thread
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 18 insertions, 8 deletions

diff --git a/linux-user/ppc/cpu_loop.c b/linux-user/ppc/cpu_loop.c
index 2a0efaffcd..22885ffd90 100644
--- a/linux-user/ppc/cpu_loop.c
+++ b/linux-user/ppc/cpu_loop.c
@@ -378,21 +378,31 @@ void cpu_loop(CPUPPCState *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);
+    abi_ptr entry = info->entry;
+
+    env->gpr[1] = info->start_stack;
+
+#ifdef TARGET_PPC64
+    if (get_ppc64_abi(info) < 2) {
+        uint64_t val;
+        get_user_u64(val, entry + 8);
+        env->gpr[2] = val + info->load_bias;
+        get_user_u64(val, entry);
+        entry = val + info->load_bias;
+    } else {
+        env->gpr[12] = entry;  /* r12 set to global entry address */
+    }
 
-#if defined(TARGET_PPC64)
     int flag = (env->insns_flags2 & PPC2_BOOKE206) ? MSR_CM : MSR_SF;
 #if defined(TARGET_ABI32)
     ppc_store_msr(env, env->msr & ~((target_ulong)1 << flag));
 #else
     ppc_store_msr(env, env->msr | (target_ulong)1 << flag);
 #endif
-#endif
+#endif /* TARGET_PPC64 */
 
-    env->nip = regs->nip;
-    for(i = 0; i < 32; i++) {
-        env->gpr[i] = regs->gpr[i];
-    }
+    env->nip = entry;
 }