[PATCH v2 16/16] hw/mips: Have mips_cpu_create_with_clock() take an endianness argument

Philippe Mathieu-Daudé posted 16 patches 1 month, 2 weeks ago
[PATCH v2 16/16] hw/mips: Have mips_cpu_create_with_clock() take an endianness argument
Posted by Philippe Mathieu-Daudé 1 month, 2 weeks ago
mips_cpu_create_with_clock() creates a vCPU. Pass it the vCPU
endianness requested by argument. Update the board call sites.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Tested-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
---
 target/mips/cpu.h        | 4 +++-
 hw/mips/fuloong2e.c      | 2 +-
 hw/mips/jazz.c           | 2 +-
 hw/mips/loongson3_virt.c | 2 +-
 hw/mips/malta.c          | 3 ++-
 hw/mips/mipssim.c        | 2 +-
 target/mips/cpu.c        | 5 ++++-
 7 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/target/mips/cpu.h b/target/mips/cpu.h
index 070e11fe0da..a4a46ebbe98 100644
--- a/target/mips/cpu.h
+++ b/target/mips/cpu.h
@@ -1376,12 +1376,14 @@ static inline void cpu_get_tb_cpu_state(CPUMIPSState *env, vaddr *pc,
  * mips_cpu_create_with_clock:
  * @typename: a MIPS CPU type.
  * @cpu_refclk: this cpu input clock (an output clock of another device)
+ * @is_big_endian: whether this CPU is configured in big endianness
  *
  * Instantiates a MIPS CPU, set the input clock of the CPU to @cpu_refclk,
  * then realizes the CPU.
  *
  * Returns: A #CPUState or %NULL if an error occurred.
  */
-MIPSCPU *mips_cpu_create_with_clock(const char *cpu_type, Clock *cpu_refclk);
+MIPSCPU *mips_cpu_create_with_clock(const char *cpu_type, Clock *cpu_refclk,
+                                    bool is_big_endian);
 
 #endif /* MIPS_CPU_H */
diff --git a/hw/mips/fuloong2e.c b/hw/mips/fuloong2e.c
index 6e4303ba473..7fd8296ccb6 100644
--- a/hw/mips/fuloong2e.c
+++ b/hw/mips/fuloong2e.c
@@ -229,7 +229,7 @@ static void mips_fuloong2e_init(MachineState *machine)
     clock_set_hz(cpuclk, 533080000); /* ~533 MHz */
 
     /* init CPUs */
-    cpu = mips_cpu_create_with_clock(machine->cpu_type, cpuclk);
+    cpu = mips_cpu_create_with_clock(machine->cpu_type, cpuclk, false);
     env = &cpu->env;
 
     qemu_register_reset(main_cpu_reset, cpu);
diff --git a/hw/mips/jazz.c b/hw/mips/jazz.c
index 33ce51fb09c..d6bc698ef17 100644
--- a/hw/mips/jazz.c
+++ b/hw/mips/jazz.c
@@ -212,7 +212,7 @@ static void mips_jazz_init(MachineState *machine,
                          * ext_clk[jazz_model].pll_mult);
 
     /* init CPUs */
-    cpu = mips_cpu_create_with_clock(machine->cpu_type, cpuclk);
+    cpu = mips_cpu_create_with_clock(machine->cpu_type, cpuclk, TARGET_BIG_ENDIAN);
     env = &cpu->env;
     qemu_register_reset(main_cpu_reset, cpu);
 
diff --git a/hw/mips/loongson3_virt.c b/hw/mips/loongson3_virt.c
index a2db98665df..f3b6326cc59 100644
--- a/hw/mips/loongson3_virt.c
+++ b/hw/mips/loongson3_virt.c
@@ -567,7 +567,7 @@ static void mips_loongson3_virt_init(MachineState *machine)
         int ip;
 
         /* init CPUs */
-        cpu = mips_cpu_create_with_clock(machine->cpu_type, cpuclk);
+        cpu = mips_cpu_create_with_clock(machine->cpu_type, cpuclk, false);
 
         /* Init internal devices */
         cpu_mips_irq_init_cpu(cpu);
diff --git a/hw/mips/malta.c b/hw/mips/malta.c
index 964d3592da7..198da5ba3d4 100644
--- a/hw/mips/malta.c
+++ b/hw/mips/malta.c
@@ -1034,7 +1034,8 @@ static void create_cpu_without_cps(MachineState *ms, MaltaState *s,
     int i;
 
     for (i = 0; i < ms->smp.cpus; i++) {
-        cpu = mips_cpu_create_with_clock(ms->cpu_type, s->cpuclk);
+        cpu = mips_cpu_create_with_clock(ms->cpu_type, s->cpuclk,
+                                         TARGET_BIG_ENDIAN);
 
         /* Init internal devices */
         cpu_mips_irq_init_cpu(cpu);
diff --git a/hw/mips/mipssim.c b/hw/mips/mipssim.c
index a07732d3dc5..54cdcd61724 100644
--- a/hw/mips/mipssim.c
+++ b/hw/mips/mipssim.c
@@ -160,7 +160,7 @@ mips_mipssim_init(MachineState *machine)
 #endif
 
     /* Init CPUs. */
-    cpu = mips_cpu_create_with_clock(machine->cpu_type, cpuclk);
+    cpu = mips_cpu_create_with_clock(machine->cpu_type, cpuclk, TARGET_BIG_ENDIAN);
     env = &cpu->env;
 
     reset_info = g_new0(ResetData, 1);
diff --git a/target/mips/cpu.c b/target/mips/cpu.c
index 04bf4b11db2..9724e71a5e0 100644
--- a/target/mips/cpu.c
+++ b/target/mips/cpu.c
@@ -643,12 +643,15 @@ static void mips_cpu_register_types(void)
 type_init(mips_cpu_register_types)
 
 /* Could be used by generic CPU object */
-MIPSCPU *mips_cpu_create_with_clock(const char *cpu_type, Clock *cpu_refclk)
+MIPSCPU *mips_cpu_create_with_clock(const char *cpu_type, Clock *cpu_refclk,
+                                    bool is_big_endian)
 {
     DeviceState *cpu;
 
     cpu = DEVICE(object_new(cpu_type));
     qdev_connect_clock_in(cpu, "clk-in", cpu_refclk);
+    object_property_set_bool(OBJECT(cpu), "big-endian", is_big_endian,
+                             &error_abort);
     qdev_realize(cpu, NULL, &error_abort);
 
     return MIPS_CPU(cpu);
-- 
2.45.2


Re: [PATCH v2 16/16] hw/mips: Have mips_cpu_create_with_clock() take an endianness argument
Posted by Richard Henderson 1 month, 1 week ago
On 10/10/24 14:50, Philippe Mathieu-Daudé wrote:
> mips_cpu_create_with_clock() creates a vCPU. Pass it the vCPU
> endianness requested by argument. Update the board call sites.
> 
> Signed-off-by: Philippe Mathieu-Daudé<philmd@linaro.org>
> Reviewed-by: Jiaxun Yang<jiaxun.yang@flygoat.com>
> Tested-by: Jiaxun Yang<jiaxun.yang@flygoat.com>
> ---
>   target/mips/cpu.h        | 4 +++-
>   hw/mips/fuloong2e.c      | 2 +-
>   hw/mips/jazz.c           | 2 +-
>   hw/mips/loongson3_virt.c | 2 +-
>   hw/mips/malta.c          | 3 ++-
>   hw/mips/mipssim.c        | 2 +-
>   target/mips/cpu.c        | 5 ++++-
>   7 files changed, 13 insertions(+), 7 deletions(-)

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

r~