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From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: Richard Henderson <richard.henderson@linaro.org>,
	Gavin Shan <gshan@redhat.com>
Cc: qemu-devel@nongnu.org, Max Filippov <jcmvbkbc@gmail.com>
Subject: Re: [PATCH v5 21/31] target/xtensa: Use generic cpu_list()
Date: Thu, 16 Nov 2023 14:29:54 +0100	[thread overview]
Message-ID: <51ffd060-b2f8-405c-83e1-a0663c0183f5@linaro.org> (raw)
In-Reply-To: <4d12bbdb-8f6b-4fa0-8939-da3d7ae49467@linaro.org>

On 15/11/23 02:12, Richard Henderson wrote:
> On 11/14/23 15:56, Gavin Shan wrote:
>> Before it's applied:
>>
>> [gshan@gshan q]$ ./build/qemu-system-xtensa -cpu ?
>> Available CPUs:
>>    test_mmuhifi_c3
>>    sample_controller
>>    lx106
>>    dsp3400
>>    de233_fpu
>>    de212
>>    dc233c
>>    dc232b
>>
>> After it's applied:
>>
>> [gshan@gshan q]$ ./build/qemu-system-xtensa -cpu ?
>> Available CPUs:
>>    dc232b
>>    dc233c
>>    de212
>>    de233_fpu
>>    dsp3400
>>    lx106
>>    sample_controller
>>    test_mmuhifi_c3
>>
>> Signed-off-by: Gavin Shan <gshan@redhat.com>
>> ---
>>   target/xtensa/cpu.h          | 10 +---------
>>   target/xtensa/helper.c       | 19 +++----------------
>>   target/xtensa/overlay_tool.h |  7 ++-----
>>   3 files changed, 6 insertions(+), 30 deletions(-)
>>
>> diff --git a/target/xtensa/cpu.h b/target/xtensa/cpu.h
>> index dd81729306..ffeb1ca43f 100644
>> --- a/target/xtensa/cpu.h
>> +++ b/target/xtensa/cpu.h
>> @@ -491,11 +491,6 @@ typedef struct XtensaConfig {
>>       bool use_first_nan;
>>   } XtensaConfig;
>> -typedef struct XtensaConfigList {
>> -    const XtensaConfig *config;
>> -    struct XtensaConfigList *next;
>> -} XtensaConfigList;
>> -
>>   #if HOST_BIG_ENDIAN
>>   enum {
>>       FP_F32_HIGH,
>> @@ -600,8 +595,6 @@ G_NORETURN void 
>> xtensa_cpu_do_unaligned_access(CPUState *cpu, vaddr addr,
>>                                                  MMUAccessType 
>> access_type, int mmu_idx,
>>                                                  uintptr_t retaddr);
>> -#define cpu_list xtensa_cpu_list
>> -
>>   #define CPU_RESOLVING_TYPE TYPE_XTENSA_CPU
>>   #if TARGET_BIG_ENDIAN
>> @@ -620,13 +613,12 @@ void xtensa_collect_sr_names(const XtensaConfig 
>> *config);
>>   void xtensa_translate_init(void);
>>   void **xtensa_get_regfile_by_name(const char *name, int entries, int 
>> bits);
>>   void xtensa_breakpoint_handler(CPUState *cs);
>> -void xtensa_register_core(XtensaConfigList *node);
>> +void xtensa_register_core(XtensaConfig *config);
>>   void xtensa_sim_open_console(Chardev *chr);
>>   void check_interrupts(CPUXtensaState *s);
>>   void xtensa_irq_init(CPUXtensaState *env);
>>   qemu_irq *xtensa_get_extints(CPUXtensaState *env);
>>   qemu_irq xtensa_get_runstall(CPUXtensaState *env);
>> -void xtensa_cpu_list(void);
>>   void xtensa_sync_window_from_phys(CPUXtensaState *env);
>>   void xtensa_sync_phys_from_window(CPUXtensaState *env);
>>   void xtensa_rotate_window(CPUXtensaState *env, uint32_t delta);
>> diff --git a/target/xtensa/helper.c b/target/xtensa/helper.c
>> index dbeb97a953..3654739b09 100644
>> --- a/target/xtensa/helper.c
>> +++ b/target/xtensa/helper.c
>> @@ -35,8 +35,6 @@
>>   #include "qemu/qemu-print.h"
>>   #include "qemu/host-utils.h"
>> -static struct XtensaConfigList *xtensa_cores;
>> -
>>   static void add_translator_to_hash(GHashTable *translator,
>>                                      const char *name,
>>                                      const XtensaOpcodeOps *opcode)
>> @@ -187,17 +185,15 @@ static void xtensa_core_class_init(ObjectClass 
>> *oc, void *data)
>>       cc->gdb_num_core_regs = config->gdb_regmap.num_regs;
>>   }
>> -void xtensa_register_core(XtensaConfigList *node)
>> +void xtensa_register_core(XtensaConfig *config)
>>   {
>>       TypeInfo type = {
>>           .parent = TYPE_XTENSA_CPU,
>>           .class_init = xtensa_core_class_init,
>> -        .class_data = (void *)node->config,
>> +        .class_data = (void *)config,
>>       };
> 
> This patch does two things and should be split.

I'm doing the split. This patch becomes:

-- >8 --
diff --git a/target/xtensa/cpu.h b/target/xtensa/cpu.h
index dd81729306..d9c49a35fa 100644
--- a/target/xtensa/cpu.h
+++ b/target/xtensa/cpu.h
@@ -600,8 +600,6 @@ G_NORETURN void 
xtensa_cpu_do_unaligned_access(CPUState *cpu, vaddr addr,
                                                 MMUAccessType 
access_type, int mmu_idx,
                                                 uintptr_t retaddr);

-#define cpu_list xtensa_cpu_list
-
  #define CPU_RESOLVING_TYPE TYPE_XTENSA_CPU

  #if TARGET_BIG_ENDIAN
@@ -626,7 +624,6 @@ void check_interrupts(CPUXtensaState *s);
  void xtensa_irq_init(CPUXtensaState *env);
  qemu_irq *xtensa_get_extints(CPUXtensaState *env);
  qemu_irq xtensa_get_runstall(CPUXtensaState *env);
-void xtensa_cpu_list(void);
  void xtensa_sync_window_from_phys(CPUXtensaState *env);
  void xtensa_sync_phys_from_window(CPUXtensaState *env);
  void xtensa_rotate_window(CPUXtensaState *env, uint32_t delta);
diff --git a/target/xtensa/helper.c b/target/xtensa/helper.c
index dbeb97a953..f6632df646 100644
--- a/target/xtensa/helper.c
+++ b/target/xtensa/helper.c
@@ -234,15 +234,6 @@ void xtensa_breakpoint_handler(CPUState *cs)
      }
  }

-void xtensa_cpu_list(void)
-{
-    XtensaConfigList *core = xtensa_cores;
-    qemu_printf("Available CPUs:\n");
-    for (; core; core = core->next) {
-        qemu_printf("  %s\n", core->config->name);
-    }
-}
-
  #ifndef CONFIG_USER_ONLY
  void xtensa_cpu_do_unaligned_access(CPUState *cs,
                                      vaddr addr, MMUAccessType access_type,
---

What is left is:

-- >8 --
diff --git a/target/xtensa/cpu.h b/target/xtensa/cpu.h
index d9c49a35fa..ffeb1ca43f 100644
--- a/target/xtensa/cpu.h
+++ b/target/xtensa/cpu.h
@@ -491,11 +491,6 @@ typedef struct XtensaConfig {
      bool use_first_nan;
  } XtensaConfig;

-typedef struct XtensaConfigList {
-    const XtensaConfig *config;
-    struct XtensaConfigList *next;
-} XtensaConfigList;
-
  #if HOST_BIG_ENDIAN
  enum {
      FP_F32_HIGH,
@@ -618,7 +613,7 @@ void xtensa_collect_sr_names(const XtensaConfig 
*config);
  void xtensa_translate_init(void);
  void **xtensa_get_regfile_by_name(const char *name, int entries, int 
bits);
  void xtensa_breakpoint_handler(CPUState *cs);
-void xtensa_register_core(XtensaConfigList *node);
+void xtensa_register_core(XtensaConfig *config);
  void xtensa_sim_open_console(Chardev *chr);
  void check_interrupts(CPUXtensaState *s);
  void xtensa_irq_init(CPUXtensaState *env);
diff --git a/target/xtensa/overlay_tool.h b/target/xtensa/overlay_tool.h
index 701c00eed2..7373ba7592 100644
--- a/target/xtensa/overlay_tool.h
+++ b/target/xtensa/overlay_tool.h
@@ -450,13 +450,10 @@
  #endif

  #if TARGET_BIG_ENDIAN == (XCHAL_HAVE_BE != 0)
-#define REGISTER_CORE(core) \
+#define REGISTER_CORE(config) \
      static void __attribute__((constructor)) register_core(void) \
      { \
-        static XtensaConfigList node = { \
-            .config = &core, \
-        }; \
-        xtensa_register_core(&node); \
+        xtensa_register_core(&config); \
      }
  #else
  #define REGISTER_CORE(core)
diff --git a/target/xtensa/helper.c b/target/xtensa/helper.c
index f6632df646..3654739b09 100644
--- a/target/xtensa/helper.c
+++ b/target/xtensa/helper.c
@@ -35,8 +35,6 @@
  #include "qemu/qemu-print.h"
  #include "qemu/host-utils.h"

-static struct XtensaConfigList *xtensa_cores;
-
  static void add_translator_to_hash(GHashTable *translator,
                                     const char *name,
                                     const XtensaOpcodeOps *opcode)
@@ -187,17 +185,15 @@ static void xtensa_core_class_init(ObjectClass 
*oc, void *data)
      cc->gdb_num_core_regs = config->gdb_regmap.num_regs;
  }

-void xtensa_register_core(XtensaConfigList *node)
+void xtensa_register_core(XtensaConfig *config)
  {
      TypeInfo type = {
          .parent = TYPE_XTENSA_CPU,
          .class_init = xtensa_core_class_init,
-        .class_data = (void *)node->config,
+        .class_data = (void *)config,
      };

-    node->next = xtensa_cores;
-    xtensa_cores = node;
-    type.name = g_strdup_printf(XTENSA_CPU_TYPE_NAME("%s"), 
node->config->name);
+    type.name = g_strdup_printf(XTENSA_CPU_TYPE_NAME("%s"), config->name);
      type_register(&type);
      g_free((gpointer)type.name);
  }
---

Which I will skip for now unless Max Ack-by it, since as per commit
ac8b7db493 ("target-xtensa: extract core configuration from overlay")
this might be used externally by the overlay tool generator.

Regards,

Phil.



  reply	other threads:[~2023-11-16 13:30 UTC|newest]

Thread overview: 102+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-14 23:55 [PATCH v5 00/31] Unified CPU type check Gavin Shan
2023-11-14 23:55 ` [PATCH v5 01/31] target/alpha: Remove 'ev67' CPU class Gavin Shan
2023-11-15  0:22   ` Richard Henderson
2023-11-16  6:58     ` Philippe Mathieu-Daudé
2024-01-04 17:58   ` Philippe Mathieu-Daudé
2024-01-04 18:03     ` Philippe Mathieu-Daudé
2024-01-04 18:12       ` Philippe Mathieu-Daudé
2023-11-14 23:55 ` [PATCH v5 02/31] target/hppa: Remove object_class_is_abstract() Gavin Shan
2023-11-15  0:26   ` Richard Henderson
2023-11-15 11:18   ` BALATON Zoltan
2023-11-15 11:24     ` Gavin Shan
2023-11-15 11:27       ` BALATON Zoltan
2023-11-16  7:09   ` Philippe Mathieu-Daudé
2023-11-14 23:56 ` [PATCH v5 03/31] cpu: Call object_class_dynamic_cast() once in cpu_class_by_name() Gavin Shan
2023-11-15  0:30   ` Richard Henderson
2023-11-16 16:08   ` Philippe Mathieu-Daudé
2023-11-16 23:13     ` Gavin Shan
2023-11-14 23:56 ` [PATCH v5 04/31] target: Remove 'oc == NULL' check Gavin Shan
2023-11-15  0:34   ` Richard Henderson
2023-11-14 23:56 ` [PATCH v5 05/31] cpu: Add helper cpu_model_from_type() Gavin Shan
2023-11-15  0:35   ` Richard Henderson
2023-11-16  7:45   ` Philippe Mathieu-Daudé
2023-11-14 23:56 ` [PATCH v5 06/31] cpu: Add generic cpu_list() Gavin Shan
2023-11-15  0:37   ` Richard Henderson
2023-11-16  7:39   ` Philippe Mathieu-Daudé
2023-11-16  7:51     ` Philippe Mathieu-Daudé
2023-11-16 10:19       ` Philippe Mathieu-Daudé
2023-11-16 10:25         ` Philippe Mathieu-Daudé
2023-11-16 10:37           ` Gavin Shan
2023-11-16 10:34       ` Gavin Shan
2023-11-16 13:22         ` Philippe Mathieu-Daudé
2023-11-14 23:56 ` [PATCH v5 07/31] target/alpha: Use " Gavin Shan
2023-11-15  0:38   ` Richard Henderson
2023-11-16  7:47   ` Philippe Mathieu-Daudé
2023-11-14 23:56 ` [PATCH v5 08/31] target/arm: " Gavin Shan
2023-11-15  0:41   ` Richard Henderson
2023-11-16  7:51   ` Philippe Mathieu-Daudé
2023-11-14 23:56 ` [PATCH v5 09/31] target/avr: " Gavin Shan
2023-11-15  0:42   ` Richard Henderson
2023-11-16  7:51   ` Philippe Mathieu-Daudé
2023-11-14 23:56 ` [PATCH v5 10/31] target/cris: " Gavin Shan
2023-11-15  0:44   ` Richard Henderson
2023-11-16  7:52   ` Philippe Mathieu-Daudé
2023-11-14 23:56 ` [PATCH v5 11/31] target/hexagon: " Gavin Shan
2023-11-15  0:46   ` Richard Henderson
2023-11-16  7:52   ` Philippe Mathieu-Daudé
2023-11-14 23:56 ` [PATCH v5 12/31] target/hppa: " Gavin Shan
2023-11-15  0:57   ` Richard Henderson
2023-11-16  7:52   ` Philippe Mathieu-Daudé
2023-11-14 23:56 ` [PATCH v5 13/31] target/loongarch: " Gavin Shan
2023-11-15  0:59   ` Richard Henderson
2023-11-16 10:27   ` Philippe Mathieu-Daudé
2023-11-14 23:56 ` [PATCH v5 14/31] target/m68k: " Gavin Shan
2023-11-15  1:01   ` Richard Henderson
2023-11-16 10:27   ` Philippe Mathieu-Daudé
2023-11-14 23:56 ` [PATCH v5 15/31] target/mips: " Gavin Shan
2023-11-15  1:02   ` Richard Henderson
2023-11-16  7:53   ` Philippe Mathieu-Daudé
2023-11-14 23:56 ` [PATCH v5 16/31] target/openrisc: " Gavin Shan
2023-11-15  1:04   ` Richard Henderson
2023-11-16 10:28   ` Philippe Mathieu-Daudé
2023-11-14 23:56 ` [PATCH v5 17/31] target/riscv: " Gavin Shan
2023-11-15  1:05   ` Richard Henderson
2023-11-16 10:28   ` Philippe Mathieu-Daudé
2023-11-14 23:56 ` [PATCH v5 18/31] target/rx: " Gavin Shan
2023-11-15  1:07   ` Richard Henderson
2023-11-16  7:54   ` Philippe Mathieu-Daudé
2023-11-14 23:56 ` [PATCH v5 19/31] target/sh4: " Gavin Shan
2023-11-15  1:08   ` Richard Henderson
2023-11-16  7:55   ` Philippe Mathieu-Daudé
2023-11-14 23:56 ` [PATCH v5 20/31] target/tricore: " Gavin Shan
2023-11-15  1:09   ` Richard Henderson
2023-11-16  7:55   ` Philippe Mathieu-Daudé
2023-11-14 23:56 ` [PATCH v5 21/31] target/xtensa: " Gavin Shan
2023-11-15  1:12   ` Richard Henderson
2023-11-16 13:29     ` Philippe Mathieu-Daudé [this message]
2023-11-14 23:56 ` [PATCH v5 22/31] target: Use generic cpu_model_from_type() Gavin Shan
2023-11-15  1:17   ` Richard Henderson
2023-11-16 13:32   ` Philippe Mathieu-Daudé
2023-11-14 23:56 ` [PATCH v5 23/31] machine: Constify MachineClass::valid_cpu_types[i] Gavin Shan
2023-11-15  1:17   ` Richard Henderson
2023-11-16  9:52   ` Philippe Mathieu-Daudé
2023-11-14 23:56 ` [PATCH v5 24/31] machine: Use error handling when CPU type is checked Gavin Shan
2023-11-15  1:21   ` Richard Henderson
2023-11-15  1:26     ` Richard Henderson
2023-11-14 23:56 ` [PATCH v5 25/31] machine: Introduce helper is_cpu_type_supported() Gavin Shan
2023-11-16  9:33   ` Philippe Mathieu-Daudé
2023-11-14 23:56 ` [PATCH v5 26/31] machine: Print CPU model name instead of CPU type name Gavin Shan
2023-11-15  1:32   ` Richard Henderson
2023-11-14 23:56 ` [PATCH v5 27/31] hw/arm/virt: Hide host CPU model for tcg Gavin Shan
2023-11-14 23:56 ` [PATCH v5 28/31] hw/arm/virt: Check CPU type in machine_run_board_init() Gavin Shan
2023-11-14 23:56 ` [PATCH v5 29/31] hw/arm/sbsa-ref: " Gavin Shan
2023-11-14 23:56 ` [PATCH v5 30/31] hw/arm: " Gavin Shan
2023-11-16  8:35   ` Philippe Mathieu-Daudé
2023-11-14 23:56 ` [PATCH v5 31/31] hw/riscv/shakti_c: " Gavin Shan
2023-11-16 10:01 ` [PATCH v5 00/31] Unified CPU type check Philippe Mathieu-Daudé
2023-11-16 10:12   ` Gavin Shan
2023-11-16 13:35 ` Philippe Mathieu-Daudé
2023-11-16 16:20   ` Philippe Mathieu-Daudé
2023-11-16 23:26     ` Gavin Shan
2023-11-17  7:34       ` Philippe Mathieu-Daudé
2023-11-18  6:40         ` Gavin Shan

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