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score: Mark _CPU_Thread_Idle_body() as no-return

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This helps the compiler to not generate dead code.

Update #5067.
This commit is contained in:
Sebastian Huber
2024-07-17 18:38:08 +02:00
committed by Joel Sherrill
parent cd748d5f6b
commit e2ce9d426a
21 changed files with 19 additions and 23 deletions
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2
cpukit/score/cpu/aarch64/include/rtems/score/cpu.h
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@@ -388,7 +388,7 @@ uint32_t _CPU_Counter_frequency( void );
CPU_Counter_ticks _CPU_Counter_read( void ); CPU_Counter_ticks _CPU_Counter_read( void );
void *_CPU_Thread_Idle_body( uintptr_t ignored ); RTEMS_NO_RETURN void *_CPU_Thread_Idle_body( uintptr_t ignored );
typedef enum { typedef enum {
AARCH64_EXCEPTION_SP0_SYNCHRONOUS = 0, AARCH64_EXCEPTION_SP0_SYNCHRONOUS = 0,

2
cpukit/score/cpu/arm/include/rtems/score/cpu.h
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@@ -571,7 +571,7 @@ uint32_t _CPU_Counter_frequency( void );
CPU_Counter_ticks _CPU_Counter_read( void ); CPU_Counter_ticks _CPU_Counter_read( void );
void *_CPU_Thread_Idle_body( uintptr_t ignored ); RTEMS_NO_RETURN void *_CPU_Thread_Idle_body( uintptr_t ignored );
#if defined(ARM_MULTILIB_ARCH_V4) #if defined(ARM_MULTILIB_ARCH_V4)

2
cpukit/score/cpu/bfin/include/rtems/score/cpu.h
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@@ -492,7 +492,7 @@ void _CPU_ISR_install_vector(
CPU_ISR_handler *old_handler CPU_ISR_handler *old_handler
); );
void *_CPU_Thread_Idle_body( uintptr_t ignored ); RTEMS_NO_RETURN void *_CPU_Thread_Idle_body( uintptr_t ignored );
/** /**
* @addtogroup RTEMSScoreCPUBfinCPUContext * @addtogroup RTEMSScoreCPUBfinCPUContext

2
cpukit/score/cpu/i386/include/rtems/score/cpu.h
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@@ -559,7 +559,7 @@ void _CPU_ISR_install_vector(
CPU_ISR_handler *old_handler CPU_ISR_handler *old_handler
); );
void *_CPU_Thread_Idle_body( uintptr_t ignored ); RTEMS_NO_RETURN void *_CPU_Thread_Idle_body( uintptr_t ignored );
/* /*
* _CPU_Context_switch * _CPU_Context_switch

2
cpukit/score/cpu/lm32/include/rtems/score/cpu.h
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@@ -631,7 +631,7 @@ void _CPU_ISR_install_vector(
/** @} */ /** @} */
void *_CPU_Thread_Idle_body( uintptr_t ignored ); RTEMS_NO_RETURN void *_CPU_Thread_Idle_body( uintptr_t ignored );
/** /**
* @addtogroup RTEMSScoreCPUlm32Context * @addtogroup RTEMSScoreCPUlm32Context

2
cpukit/score/cpu/m68k/include/rtems/score/cpu.h
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@@ -419,7 +419,7 @@ void _CPU_Context_Initialize(
/* end of Context handler macros */ /* end of Context handler macros */
void *_CPU_Thread_Idle_body( uintptr_t ignored ); RTEMS_NO_RETURN void *_CPU_Thread_Idle_body( uintptr_t ignored );
#define CPU_USE_LIBC_INIT_FINI_ARRAY FALSE #define CPU_USE_LIBC_INIT_FINI_ARRAY FALSE

2
cpukit/score/cpu/microblaze/include/rtems/score/cpu.h
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@@ -451,7 +451,7 @@ uint32_t _CPU_Counter_frequency( void );
CPU_Counter_ticks _CPU_Counter_read( void ); CPU_Counter_ticks _CPU_Counter_read( void );
void *_CPU_Thread_Idle_body( uintptr_t ignored ); RTEMS_NO_RETURN void *_CPU_Thread_Idle_body( uintptr_t ignored );
void bsp_interrupt_dispatch( uint32_t source ); void bsp_interrupt_dispatch( uint32_t source );

2
cpukit/score/cpu/mips/include/rtems/score/cpu.h
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@@ -745,7 +745,7 @@ extern void mips_break( int error );
void _CPU_Initialize(void); void _CPU_Initialize(void);
void *_CPU_Thread_Idle_body( uintptr_t ignored ); RTEMS_NO_RETURN void *_CPU_Thread_Idle_body( uintptr_t ignored );
/* /*
* _CPU_Context_switch * _CPU_Context_switch

2
cpukit/score/cpu/moxie/include/rtems/score/cpu.h
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@@ -435,7 +435,7 @@ void _CPU_ISR_install_vector(
CPU_ISR_handler *old_handler CPU_ISR_handler *old_handler
); );
void *_CPU_Thread_Idle_body( uintptr_t ); RTEMS_NO_RETURN void *_CPU_Thread_Idle_body( uintptr_t );
/* /*
* _CPU_Context_switch * _CPU_Context_switch

2
cpukit/score/cpu/nios2/include/rtems/score/cpu.h
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@@ -322,7 +322,7 @@ void _CPU_ISR_install_vector(
CPU_ISR_handler *old_handler CPU_ISR_handler *old_handler
); );
void *_CPU_Thread_Idle_body( uintptr_t ignored ); RTEMS_NO_RETURN void *_CPU_Thread_Idle_body( uintptr_t ignored );
void _CPU_Context_switch( Context_Control *run, Context_Control *heir ); void _CPU_Context_switch( Context_Control *run, Context_Control *heir );

2
cpukit/score/cpu/no_cpu/cpuidle.c
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@@ -52,6 +52,4 @@ void *_CPU_Thread_Idle_body( uintptr_t ignored )
while ( true ) { while ( true ) {
/* Do nothing */ /* Do nothing */
} }
return NULL;
} }

2
cpukit/score/cpu/no_cpu/include/rtems/score/cpu.h
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@@ -1043,7 +1043,7 @@ void _CPU_ISR_install_vector(
* *
* XXX document implementation including references if appropriate * XXX document implementation including references if appropriate
*/ */
void *_CPU_Thread_Idle_body( uintptr_t ignored ); RTEMS_NO_RETURN void *_CPU_Thread_Idle_body( uintptr_t ignored );
/** /**
* @brief Performs a context switch from the executing thread to the heir * @brief Performs a context switch from the executing thread to the heir

2
cpukit/score/cpu/or1k/include/rtems/score/cpu.h
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@@ -481,7 +481,7 @@ static inline void _CPU_ISR_install_vector(
); );
} }
void *_CPU_Thread_Idle_body( uintptr_t ignored ); RTEMS_NO_RETURN void *_CPU_Thread_Idle_body( uintptr_t ignored );
/* /*
* _CPU_Context_switch * _CPU_Context_switch

2
cpukit/score/cpu/powerpc/include/rtems/score/cpu.h
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@@ -912,7 +912,7 @@ void _CPU_Context_Initialize(
void _CPU_Initialize(void); void _CPU_Initialize(void);
void *_CPU_Thread_Idle_body( uintptr_t ignored ); RTEMS_NO_RETURN void *_CPU_Thread_Idle_body( uintptr_t ignored );
/* /*
* _CPU_Context_switch * _CPU_Context_switch

2
cpukit/score/cpu/riscv/cpu.c
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@@ -195,6 +195,4 @@ void *_CPU_Thread_Idle_body( uintptr_t ignored )
while ( true ) { while ( true ) {
__asm__ volatile ( "wfi" ); __asm__ volatile ( "wfi" );
} }
return NULL;
} }

2
cpukit/score/cpu/riscv/include/rtems/score/cpu.h
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@@ -375,7 +375,7 @@ void _CPU_Initialize(
void void
); );
void *_CPU_Thread_Idle_body( uintptr_t ignored ); RTEMS_NO_RETURN void *_CPU_Thread_Idle_body( uintptr_t ignored );
/* /*
* _CPU_Context_switch * _CPU_Context_switch

2
cpukit/score/cpu/sh/include/rtems/score/cpu.h
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@@ -523,7 +523,7 @@ void _CPU_ISR_install_vector(
CPU_ISR_handler *old_handler CPU_ISR_handler *old_handler
); );
void *_CPU_Thread_Idle_body( uintptr_t ignored ); RTEMS_NO_RETURN void *_CPU_Thread_Idle_body( uintptr_t ignored );
/* /*
* _CPU_Context_switch * _CPU_Context_switch

2
cpukit/score/cpu/sparc/include/rtems/score/cpu.h
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@@ -963,7 +963,7 @@ void _CPU_ISR_install_vector(
CPU_ISR_handler *old_handler CPU_ISR_handler *old_handler
); );
void *_CPU_Thread_Idle_body( uintptr_t ignored ); RTEMS_NO_RETURN void *_CPU_Thread_Idle_body( uintptr_t ignored );
/** /**
* @brief SPARC specific context switch. * @brief SPARC specific context switch.

2
cpukit/score/cpu/sparc64/include/rtems/score/cpu.h
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@@ -844,7 +844,7 @@ void _CPU_ISR_install_vector(
CPU_ISR_handler *old_handler CPU_ISR_handler *old_handler
); );
void *_CPU_Thread_Idle_body( uintptr_t ignored ); RTEMS_NO_RETURN void *_CPU_Thread_Idle_body( uintptr_t ignored );
/* /*
* _CPU_Context_switch * _CPU_Context_switch

2
cpukit/score/cpu/v850/include/rtems/score/cpu.h
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@@ -498,7 +498,7 @@ void _CPU_Context_Initialize(
*/ */
void _CPU_Initialize(void); void _CPU_Initialize(void);
void *_CPU_Thread_Idle_body( uintptr_t ignored ); RTEMS_NO_RETURN void *_CPU_Thread_Idle_body( uintptr_t ignored );
/** /**
* @addtogroup RTEMSScoreCPUV850CPUContext * @addtogroup RTEMSScoreCPUV850CPUContext

2
cpukit/score/cpu/x86_64/include/rtems/score/cpu.h
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@@ -275,7 +275,7 @@ void _CPU_Context_Initialize(
void _CPU_Initialize(void); void _CPU_Initialize(void);
void *_CPU_Thread_Idle_body( uintptr_t ignored ); RTEMS_NO_RETURN void *_CPU_Thread_Idle_body( uintptr_t ignored );
void _CPU_Context_switch( void _CPU_Context_switch(
Context_Control *run, Context_Control *run,