cpu: Add Error argument to cpu_exec_init() Add an Error argument to cpu_exec_init() to let users collect the error. This is in preparation to change the CPU enumeration logic in cpu_exec_init(). With the new enumeration logic, cpu_exec_init() can fail if cpu_index values corresponding to max_cpus have already been handed out. Since all current callers of cpu_exec_init() are from instance_init, use error_abort Error argument to abort in case of an error. Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com> Signed-off-by: Andreas Färber <afaerber@suse.de>

diff --git a/exec.c b/exec.c
index 442df0d..ce5fadd 100644
--- a/exec.c
+++ b/exec.c

@@ -526,7 +526,7 @@
 }
 #endif
 
-void cpu_exec_init(CPUArchState *env)
+void cpu_exec_init(CPUArchState *env, Error **errp)
 {
     CPUState *cpu = ENV_GET_CPU(env);
     CPUClass *cc = CPU_GET_CLASS(cpu);

diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h
index 2e74760..44b8955 100644
--- a/include/exec/exec-all.h
+++ b/include/exec/exec-all.h

@@ -88,7 +88,7 @@
 TranslationBlock *tb_gen_code(CPUState *cpu,
                               target_ulong pc, target_ulong cs_base, int flags,
                               int cflags);
-void cpu_exec_init(CPUArchState *env);
+void cpu_exec_init(CPUArchState *env, Error **errp);
 void QEMU_NORETURN cpu_loop_exit(CPUState *cpu);
 
 #if !defined(CONFIG_USER_ONLY)

diff --git a/target-alpha/cpu.c b/target-alpha/cpu.c
index a98b7d8..e865ba7 100644
--- a/target-alpha/cpu.c
+++ b/target-alpha/cpu.c

@@ -257,7 +257,7 @@
     CPUAlphaState *env = &cpu->env;
 
     cs->env_ptr = env;
-    cpu_exec_init(env);
+    cpu_exec_init(env, &error_abort);
     tlb_flush(cs, 1);
 
     alpha_translate_init();

diff --git a/target-arm/cpu.c b/target-arm/cpu.c
index 80669a6..1c40cc0 100644
--- a/target-arm/cpu.c
+++ b/target-arm/cpu.c

@@ -392,7 +392,7 @@
     uint32_t Aff1, Aff0;
 
     cs->env_ptr = &cpu->env;
-    cpu_exec_init(&cpu->env);
+    cpu_exec_init(&cpu->env, &error_abort);
     cpu->cp_regs = g_hash_table_new_full(g_int_hash, g_int_equal,
                                          g_free, g_free);
 

diff --git a/target-cris/cpu.c b/target-cris/cpu.c
index 16cfba9..bb8e7ea 100644
--- a/target-cris/cpu.c
+++ b/target-cris/cpu.c

@@ -170,7 +170,7 @@
     static bool tcg_initialized;
 
     cs->env_ptr = env;
-    cpu_exec_init(env);
+    cpu_exec_init(env, &error_abort);
 
     env->pregs[PR_VR] = ccc->vr;
 

diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index b4f9461..4d0f7df 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c

@@ -3038,7 +3038,7 @@
     static int inited;
 
     cs->env_ptr = env;
-    cpu_exec_init(env);
+    cpu_exec_init(env, &error_abort);
 
     object_property_add(obj, "family", "int",
                         x86_cpuid_version_get_family,

diff --git a/target-lm32/cpu.c b/target-lm32/cpu.c
index f8081f5..da4fde1 100644
--- a/target-lm32/cpu.c
+++ b/target-lm32/cpu.c

@@ -151,7 +151,7 @@
     static bool tcg_initialized;
 
     cs->env_ptr = env;
-    cpu_exec_init(env);
+    cpu_exec_init(env, &error_abort);
 
     env->flags = 0;
 

diff --git a/target-m68k/cpu.c b/target-m68k/cpu.c
index 4cfb725..ae3d765 100644
--- a/target-m68k/cpu.c
+++ b/target-m68k/cpu.c

@@ -168,7 +168,7 @@
     static bool inited;
 
     cs->env_ptr = env;
-    cpu_exec_init(env);
+    cpu_exec_init(env, &error_abort);
 
     if (tcg_enabled() && !inited) {
         inited = true;

diff --git a/target-microblaze/cpu.c b/target-microblaze/cpu.c
index c592bf7..967ea01 100644
--- a/target-microblaze/cpu.c
+++ b/target-microblaze/cpu.c

@@ -190,7 +190,7 @@
     static bool tcg_initialized;
 
     cs->env_ptr = env;
-    cpu_exec_init(env);
+    cpu_exec_init(env, &error_abort);
 
     set_float_rounding_mode(float_round_nearest_even, &env->fp_status);
 

diff --git a/target-mips/cpu.c b/target-mips/cpu.c
index 958c999..1fd9f22 100644
--- a/target-mips/cpu.c
+++ b/target-mips/cpu.c

@@ -115,7 +115,7 @@
     CPUMIPSState *env = &cpu->env;
 
     cs->env_ptr = env;
-    cpu_exec_init(env);
+    cpu_exec_init(env, &error_abort);
 
     if (tcg_enabled()) {
         mips_tcg_init();

diff --git a/target-moxie/cpu.c b/target-moxie/cpu.c
index 47b617f..415c65a 100644
--- a/target-moxie/cpu.c
+++ b/target-moxie/cpu.c

@@ -66,7 +66,7 @@
     static int inited;
 
     cs->env_ptr = &cpu->env;
-    cpu_exec_init(&cpu->env);
+    cpu_exec_init(&cpu->env, &error_abort);
 
     if (tcg_enabled() && !inited) {
         inited = 1;

diff --git a/target-openrisc/cpu.c b/target-openrisc/cpu.c
index 39bedc1..cd6c657 100644
--- a/target-openrisc/cpu.c
+++ b/target-openrisc/cpu.c

@@ -92,7 +92,7 @@
     static int inited;
 
     cs->env_ptr = &cpu->env;
-    cpu_exec_init(&cpu->env);
+    cpu_exec_init(&cpu->env, &error_abort);
 
 #ifndef CONFIG_USER_ONLY
     cpu_openrisc_mmu_init(cpu);

diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
index d74f4f0..52d95ce 100644
--- a/target-ppc/translate_init.c
+++ b/target-ppc/translate_init.c

@@ -9633,7 +9633,7 @@
     CPUPPCState *env = &cpu->env;
 
     cs->env_ptr = env;
-    cpu_exec_init(env);
+    cpu_exec_init(env, &error_abort);
     cpu->cpu_dt_id = cs->cpu_index;
 
     env->msr_mask = pcc->msr_mask;

diff --git a/target-s390x/cpu.c b/target-s390x/cpu.c
index 69bac35..ced5592 100644
--- a/target-s390x/cpu.c
+++ b/target-s390x/cpu.c

@@ -212,7 +212,7 @@
 #endif
 
     cs->env_ptr = env;
-    cpu_exec_init(env);
+    cpu_exec_init(env, &error_abort);
 #if !defined(CONFIG_USER_ONLY)
     qemu_register_reset(s390_cpu_machine_reset_cb, cpu);
     qemu_get_timedate(&tm, 0);

diff --git a/target-sh4/cpu.c b/target-sh4/cpu.c
index cccb14f..2c2060b 100644
--- a/target-sh4/cpu.c
+++ b/target-sh4/cpu.c

@@ -248,7 +248,7 @@
     CPUSH4State *env = &cpu->env;
 
     cs->env_ptr = env;
-    cpu_exec_init(env);
+    cpu_exec_init(env, &error_abort);
 
     env->movcal_backup_tail = &(env->movcal_backup);
 

diff --git a/target-sparc/cpu.c b/target-sparc/cpu.c
index a952097..4d1da7c 100644
--- a/target-sparc/cpu.c
+++ b/target-sparc/cpu.c

@@ -802,7 +802,7 @@
     CPUSPARCState *env = &cpu->env;
 
     cs->env_ptr = env;
-    cpu_exec_init(env);
+    cpu_exec_init(env, &error_abort);
 
     if (tcg_enabled()) {
         gen_intermediate_code_init(env);

diff --git a/target-tricore/cpu.c b/target-tricore/cpu.c
index b3e5512..6fa60b1 100644
--- a/target-tricore/cpu.c
+++ b/target-tricore/cpu.c

@@ -92,7 +92,7 @@
     CPUTriCoreState *env = &cpu->env;
 
     cs->env_ptr = env;
-    cpu_exec_init(env);
+    cpu_exec_init(env, &error_abort);
 
     if (tcg_enabled()) {
         tricore_tcg_init();

diff --git a/target-unicore32/cpu.c b/target-unicore32/cpu.c
index 5b32987..eda039c 100644
--- a/target-unicore32/cpu.c
+++ b/target-unicore32/cpu.c

@@ -111,7 +111,7 @@
     static bool inited;
 
     cs->env_ptr = env;
-    cpu_exec_init(env);
+    cpu_exec_init(env, &error_abort);
 
 #ifdef CONFIG_USER_ONLY
     env->uncached_asr = ASR_MODE_USER;

diff --git a/target-xtensa/cpu.c b/target-xtensa/cpu.c
index 2b75678..8d69d23 100644
--- a/target-xtensa/cpu.c
+++ b/target-xtensa/cpu.c

@@ -114,7 +114,7 @@
 
     cs->env_ptr = env;
     env->config = xcc->config;
-    cpu_exec_init(env);
+    cpu_exec_init(env, &error_abort);
 
     if (tcg_enabled() && !tcg_inited) {
         tcg_inited = true;