cpu: Make cpu_init() return QOM CPUState object

Instead of making cpu_init() return CPUArchState, return CPUState.

Changes were made using the Coccinelle semantic patch below.

  @@
  typedef CPUState;
  identifier e;
  expression args;
  type CPUArchState;
  @@
  -   e =
  +   cpu =
          cpu_init(args);
  -   if (!e) {
  +   if (!cpu) {
          ...
      }
  -   cpu = ENV_GET_CPU(env);
  +   e = cpu->env_ptr;

  @@
  identifier new_env, new_cpu, env, cpu;
  type CPUArchState;
  expression args;
  @@
  -{
  -   CPUState *cpu = ENV_GET_CPU(env);
  -   CPUArchState *new_env = cpu_init(args);
  -   CPUState *new_cpu = ENV_GET_CPU(new_env);
  +{
  +   CPUState *cpu = ENV_GET_CPU(env);
  +   CPUState *new_cpu = cpu_init(args);
  +   CPUArchState *new_env = new_cpu->env_ptr;
      ...
  }

  @@
  identifier c, cpu_init_func, cpu_model;
  type StateType, CPUType;
  @@
  -static inline StateType* cpu_init(const char *cpu_model)
  -{
  -   CPUType *c = cpu_init_func(cpu_model);
  (
  -   if (c == NULL) {
  -       return NULL;
  -   }
  -   return &c->env;
  |
  -   if (c) {
  -       return &c->env;
  -   }
  -   return NULL;
  )
  -}
  +#define cpu_init(cpu_model) CPU(cpu_init_func(cpu_model))

  @@
  identifier cpu_init_func;
  identifier model;
  @@
  -#define cpu_init(model) (&cpu_init_func(model)->env)
  +#define cpu_init(model) CPU(cpu_init_func(model))

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Cc: Blue Swirl <blauwirbel@gmail.com>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Cc: Riku Voipio <riku.voipio@iki.fi>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Michael Walle <michael@walle.cc>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: Leon Alrae <leon.alrae@imgtec.com>
Cc: Anthony Green <green@moxielogic.com>
Cc: Jia Liu <proljc@gmail.com>
Cc: Alexander Graf <agraf@suse.de>
Cc: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Cc: Max Filippov <jcmvbkbc@gmail.com>
[AF: Fixed up cpu_copy() manually]
Signed-off-by: Andreas Färber <afaerber@suse.de>

bsd-user/main.c

@@ -908,12 +908,12 @@ int main(int argc, char **argv)
     cpu_exec_init_all();
     /* NOTE: we need to init the CPU at this stage to get
        qemu_host_page_size */
-    env = cpu_init(cpu_model);
-    if (!env) {
+    cpu = cpu_init(cpu_model);
+    if (!cpu) {
         fprintf(stderr, "Unable to find CPU definition\n");
         exit(1);
     }
-    cpu = ENV_GET_CPU(env);
+    env = cpu->env_ptr;
 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
     cpu_reset(cpu);
 #endif

linux-user/main.c

@@ -3452,8 +3452,8 @@ void init_task_state(TaskState *ts)
 CPUArchState *cpu_copy(CPUArchState *env)
 {
     CPUState *cpu = ENV_GET_CPU(env);
-    CPUArchState *new_env = cpu_init(cpu_model);
-    CPUState *new_cpu = ENV_GET_CPU(new_env);
+    CPUState *new_cpu = cpu_init(cpu_model);
+    CPUArchState *new_env = cpu->env_ptr;
     CPUBreakpoint *bp;
     CPUWatchpoint *wp;
 
@@ -3939,12 +3939,12 @@ int main(int argc, char **argv, char **envp)
     cpu_exec_init_all();
     /* NOTE: we need to init the CPU at this stage to get
        qemu_host_page_size */
-    env = cpu_init(cpu_model);
-    if (!env) {
+    cpu = cpu_init(cpu_model);
+    if (!cpu) {
         fprintf(stderr, "Unable to find CPU definition\n");
         exit(1);
     }
-    cpu = ENV_GET_CPU(env);
+    env = cpu->env_ptr;
     cpu_reset(cpu);
 
     thread_cpu = cpu;

target-alpha/cpu.h

@@ -429,14 +429,7 @@ void alpha_translate_init(void);
 
 AlphaCPU *cpu_alpha_init(const char *cpu_model);
 
-static inline CPUAlphaState *cpu_init(const char *cpu_model)
-{
-    AlphaCPU *cpu = cpu_alpha_init(cpu_model);
-    if (cpu == NULL) {
-        return NULL;
-    }
-    return &cpu->env;
-}
+#define cpu_init(cpu_model) CPU(cpu_alpha_init(cpu_model))
 
 void alpha_cpu_list(FILE *f, fprintf_function cpu_fprintf);
 int cpu_alpha_exec(CPUAlphaState *s);

target-arm/cpu.h

@@ -1569,14 +1569,7 @@ static inline bool arm_excp_unmasked(CPUState *cs, unsigned int excp_idx)
     return unmasked || pstate_unmasked;
 }
 
-static inline CPUARMState *cpu_init(const char *cpu_model)
-{
-    ARMCPU *cpu = cpu_arm_init(cpu_model);
-    if (cpu) {
-        return &cpu->env;
-    }
-    return NULL;
-}
+#define cpu_init(cpu_model) CPU(cpu_arm_init(cpu_model))
 
 #define cpu_exec cpu_arm_exec
 #define cpu_gen_code cpu_arm_gen_code

target-cris/cpu.h

@@ -221,14 +221,7 @@ enum {
 #define TARGET_PHYS_ADDR_SPACE_BITS 32
 #define TARGET_VIRT_ADDR_SPACE_BITS 32
 
-static inline CPUCRISState *cpu_init(const char *cpu_model)
-{
-    CRISCPU *cpu = cpu_cris_init(cpu_model);
-    if (cpu == NULL) {
-        return NULL;
-    }
-    return &cpu->env;
-}
+#define cpu_init(cpu_model) CPU(cpu_cris_init(cpu_model))
 
 #define cpu_exec cpu_cris_exec
 #define cpu_gen_code cpu_cris_gen_code

target-i386/cpu.h

@@ -1171,14 +1171,7 @@ uint64_t cpu_get_tsc(CPUX86State *env);
 # define PHYS_ADDR_MASK 0xfffffffffLL
 # endif
 
-static inline CPUX86State *cpu_init(const char *cpu_model)
-{
-    X86CPU *cpu = cpu_x86_init(cpu_model);
-    if (cpu == NULL) {
-        return NULL;
-    }
-    return &cpu->env;
-}
+#define cpu_init(cpu_model) CPU(cpu_x86_init(cpu_model))
 
 #define cpu_exec cpu_x86_exec
 #define cpu_gen_code cpu_x86_gen_code

target-lm32/cpu.h

@@ -217,14 +217,7 @@ void lm32_watchpoint_insert(CPULM32State *env, int index, target_ulong address,
 void lm32_watchpoint_remove(CPULM32State *env, int index);
 bool lm32_cpu_do_semihosting(CPUState *cs);
 
-static inline CPULM32State *cpu_init(const char *cpu_model)
-{
-    LM32CPU *cpu = cpu_lm32_init(cpu_model);
-    if (cpu == NULL) {
-        return NULL;
-    }
-    return &cpu->env;
-}
+#define cpu_init(cpu_model) CPU(cpu_lm32_init(cpu_model))
 
 #define cpu_list lm32_cpu_list
 #define cpu_exec cpu_lm32_exec

target-m68k/cpu.h

@@ -212,14 +212,7 @@ void register_m68k_insns (CPUM68KState *env);
 #define TARGET_PHYS_ADDR_SPACE_BITS 32
 #define TARGET_VIRT_ADDR_SPACE_BITS 32
 
-static inline CPUM68KState *cpu_init(const char *cpu_model)
-{
-    M68kCPU *cpu = cpu_m68k_init(cpu_model);
-    if (cpu == NULL) {
-        return NULL;
-    }
-    return &cpu->env;
-}
+#define cpu_init(cpu_model) CPU(cpu_m68k_init(cpu_model))
 
 #define cpu_exec cpu_m68k_exec
 #define cpu_gen_code cpu_m68k_gen_code

target-microblaze/cpu.h

@@ -297,14 +297,7 @@ enum {
 #define TARGET_PHYS_ADDR_SPACE_BITS 32
 #define TARGET_VIRT_ADDR_SPACE_BITS 32
 
-static inline CPUMBState *cpu_init(const char *cpu_model)
-{
-    MicroBlazeCPU *cpu = cpu_mb_init(cpu_model);
-    if (cpu == NULL) {
-        return NULL;
-    }
-    return &cpu->env;
-}
+#define cpu_init(cpu_model) CPU(cpu_mb_init(cpu_model))
 
 #define cpu_exec cpu_mb_exec
 #define cpu_gen_code cpu_mb_gen_code

target-mips/cpu.h

@@ -739,14 +739,7 @@ void mips_tcg_init(void);
 MIPSCPU *cpu_mips_init(const char *cpu_model);
 int cpu_mips_signal_handler(int host_signum, void *pinfo, void *puc);
 
-static inline CPUMIPSState *cpu_init(const char *cpu_model)
-{
-    MIPSCPU *cpu = cpu_mips_init(cpu_model);
-    if (cpu == NULL) {
-        return NULL;
-    }
-    return &cpu->env;
-}
+#define cpu_init(cpu_model) CPU(cpu_mips_init(cpu_model))
 
 /* TODO QOM'ify CPU reset and remove */
 void cpu_state_reset(CPUMIPSState *s);

target-moxie/cpu.h

@@ -121,14 +121,7 @@ void moxie_translate_init(void);
 int cpu_moxie_signal_handler(int host_signum, void *pinfo,
                              void *puc);
 
-static inline CPUMoxieState *cpu_init(const char *cpu_model)
-{
-    MoxieCPU *cpu = cpu_moxie_init(cpu_model);
-    if (cpu == NULL) {
-        return NULL;
-    }
-    return &cpu->env;
-}
+#define cpu_init(cpu_model) CPU(cpu_moxie_init(cpu_model))
 
 #define cpu_exec cpu_moxie_exec
 #define cpu_gen_code cpu_moxie_gen_code

target-openrisc/cpu.h

@@ -389,14 +389,7 @@ int cpu_openrisc_get_phys_data(OpenRISCCPU *cpu,
                                int *prot, target_ulong address, int rw);
 #endif
 
-static inline CPUOpenRISCState *cpu_init(const char *cpu_model)
-{
-    OpenRISCCPU *cpu = cpu_openrisc_init(cpu_model);
-    if (cpu) {
-        return &cpu->env;
-    }
-    return NULL;
-}
+#define cpu_init(cpu_model) CPU(cpu_openrisc_init(cpu_model))
 
 #include "exec/cpu-all.h"
 

target-ppc/cpu.h

@@ -1238,14 +1238,7 @@ static inline uint64_t ppc_dump_gpr(CPUPPCState *env, int gprn)
 int ppc_dcr_read (ppc_dcr_t *dcr_env, int dcrn, uint32_t *valp);
 int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, uint32_t val);
 
-static inline CPUPPCState *cpu_init(const char *cpu_model)
-{
-    PowerPCCPU *cpu = cpu_ppc_init(cpu_model);
-    if (cpu == NULL) {
-        return NULL;
-    }
-    return &cpu->env;
-}
+#define cpu_init(cpu_model) CPU(cpu_ppc_init(cpu_model))
 
 #define cpu_exec cpu_ppc_exec
 #define cpu_gen_code cpu_ppc_gen_code

target-s390x/cpu.h

@@ -466,7 +466,7 @@ int css_do_rchp(uint8_t cssid, uint8_t chpid);
 bool css_present(uint8_t cssid);
 #endif
 
-#define cpu_init(model) (&cpu_s390x_init(model)->env)
+#define cpu_init(model) CPU(cpu_s390x_init(model))
 #define cpu_exec cpu_s390x_exec
 #define cpu_gen_code cpu_s390x_gen_code
 #define cpu_signal_handler cpu_s390x_signal_handler

target-sh4/cpu.h

@@ -221,14 +221,7 @@ int cpu_sh4_is_cached(CPUSH4State * env, target_ulong addr);
 
 void cpu_load_tlb(CPUSH4State * env);
 
-static inline CPUSH4State *cpu_init(const char *cpu_model)
-{
-    SuperHCPU *cpu = cpu_sh4_init(cpu_model);
-    if (cpu == NULL) {
-        return NULL;
-    }
-    return &cpu->env;
-}
+#define cpu_init(cpu_model) CPU(cpu_sh4_init(cpu_model))
 
 #define cpu_exec cpu_sh4_exec
 #define cpu_gen_code cpu_sh4_gen_code

target-sparc/cpu.h

@@ -594,14 +594,7 @@ hwaddr cpu_get_phys_page_nofault(CPUSPARCState *env, target_ulong addr,
 int cpu_sparc_signal_handler(int host_signum, void *pinfo, void *puc);
 
 #ifndef NO_CPU_IO_DEFS
-static inline CPUSPARCState *cpu_init(const char *cpu_model)
-{
-    SPARCCPU *cpu = cpu_sparc_init(cpu_model);
-    if (cpu == NULL) {
-        return NULL;
-    }
-    return &cpu->env;
-}
+#define cpu_init(cpu_model) CPU(cpu_sparc_init(cpu_model))
 #endif
 
 #define cpu_exec cpu_sparc_exec

target-tricore/cpu.h

@@ -378,15 +378,7 @@ static inline void cpu_get_tb_cpu_state(CPUTriCoreState *env, target_ulong *pc,
 
 TriCoreCPU *cpu_tricore_init(const char *cpu_model);
 
-static inline CPUTriCoreState *cpu_init(const char *cpu_model)
-{
-    TriCoreCPU *cpu = cpu_tricore_init(cpu_model);
-    if (cpu == NULL) {
-        return NULL;
-    }
-    return &cpu->env;
-
-}
+#define cpu_init(cpu_model) CPU(cpu_tricore_init(cpu_model))
 
 
 /* helpers.c */

target-unicore32/cpu.h

@@ -143,15 +143,7 @@ static inline int cpu_mmu_index(CPUUniCore32State *env)
 
 UniCore32CPU *uc32_cpu_init(const char *cpu_model);
 
-static inline CPUUniCore32State *cpu_init(const char *cpu_model)
-{
-    UniCore32CPU *cpu = uc32_cpu_init(cpu_model);
-    if (cpu == NULL) {
-        return NULL;
-    }
-    return &cpu->env;
-
-}
+#define cpu_init(cpu_model) CPU(uc32_cpu_init(cpu_model))
 
 static inline void cpu_get_tb_cpu_state(CPUUniCore32State *env, target_ulong *pc,
                                         target_ulong *cs_base, int *flags)

target-xtensa/cpu.h

@@ -379,14 +379,7 @@ typedef struct CPUXtensaState {
 
 XtensaCPU *cpu_xtensa_init(const char *cpu_model);
 
-static inline CPUXtensaState *cpu_init(const char *cpu_model)
-{
-    XtensaCPU *cpu = cpu_xtensa_init(cpu_model);
-    if (cpu == NULL) {
-        return NULL;
-    }
-    return &cpu->env;
-}
+#define cpu_init(cpu_model) CPU(cpu_xtensa_init(cpu_model))
 
 void xtensa_translate_init(void);
 void xtensa_breakpoint_handler(CPUState *cs);