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modernize ARM assembler syntax (#1148)

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modernize ARM assembler syntax

Signed-off-by: Florian La Roche <Florian.LaRoche@gmail.com>
This commit is contained in:
Florian La Roche 2024-09-20 19:19:09 +02:00 committed by GitHub
parent 61440fc664
commit 9788e7e46a
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GPG key ID: B5690EEEBB952194
5 changed files with 25 additions and 43 deletions
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12
portable/GCC/ARM_CM3/port.c
View file

@ -228,8 +228,8 @@ static void prvTaskExitError( void )
void vPortSVCHandler( void ) void vPortSVCHandler( void )
{ {
__asm volatile ( __asm volatile (
" ldr r3, pxCurrentTCBConst2 \n" /* Restore the context. */ " ldr r3, =pxCurrentTCB \n" /* Restore the context. */
" ldr r1, [r3] \n" /* Use pxCurrentTCBConst to get the pxCurrentTCB address. */ " ldr r1, [r3] \n" /* Get the pxCurrentTCB address. */
" ldr r0, [r1] \n" /* The first item in pxCurrentTCB is the task top of stack. */ " ldr r0, [r1] \n" /* The first item in pxCurrentTCB is the task top of stack. */
" ldmia r0!, {r4-r11} \n" /* Pop the registers that are not automatically saved on exception entry and the critical nesting count. */ " ldmia r0!, {r4-r11} \n" /* Pop the registers that are not automatically saved on exception entry and the critical nesting count. */
" msr psp, r0 \n" /* Restore the task stack pointer. */ " msr psp, r0 \n" /* Restore the task stack pointer. */
@ -239,8 +239,7 @@ void vPortSVCHandler( void )
" orr r14, #0xd \n" " orr r14, #0xd \n"
" bx r14 \n" " bx r14 \n"
" \n" " \n"
" .align 4 \n" " .ltorg \n"
"pxCurrentTCBConst2: .word pxCurrentTCB \n"
); );
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -462,7 +461,7 @@ void xPortPendSVHandler( void )
" mrs r0, psp \n" " mrs r0, psp \n"
" isb \n" " isb \n"
" \n" " \n"
" ldr r3, pxCurrentTCBConst \n" /* Get the location of the current TCB. */ " ldr r3, =pxCurrentTCB \n" /* Get the location of the current TCB. */
" ldr r2, [r3] \n" " ldr r2, [r3] \n"
" \n" " \n"
" stmdb r0!, {r4-r11} \n" /* Save the remaining registers. */ " stmdb r0!, {r4-r11} \n" /* Save the remaining registers. */
@ -483,8 +482,7 @@ void xPortPendSVHandler( void )
" isb \n" " isb \n"
" bx r14 \n" " bx r14 \n"
" \n" " \n"
" .align 4 \n" " .ltorg \n"
"pxCurrentTCBConst: .word pxCurrentTCB \n"
::"i" ( configMAX_SYSCALL_INTERRUPT_PRIORITY ) ::"i" ( configMAX_SYSCALL_INTERRUPT_PRIORITY )
); );
} }

16
portable/GCC/ARM_CM3_MPU/port.c
View file

@ -695,7 +695,7 @@ static void prvRestoreContextOfFirstTask( void )
" msr msp, r0 \n" /* Set the msp back to the start of the stack. */ " msr msp, r0 \n" /* Set the msp back to the start of the stack. */
" \n" " \n"
/*------------ Program MPU. ------------ */ /*------------ Program MPU. ------------ */
" ldr r3, pxCurrentTCBConst2 \n" /* r3 = pxCurrentTCBConst2. */ " ldr r3, =pxCurrentTCB \n" /* r3 = =pxCurrentTCB. */
" ldr r2, [r3] \n" /* r2 = pxCurrentTCB. */ " ldr r2, [r3] \n" /* r2 = pxCurrentTCB. */
" add r2, r2, #4 \n" /* r2 = Second item in the TCB which is xMPUSettings. */ " add r2, r2, #4 \n" /* r2 = Second item in the TCB which is xMPUSettings. */
" \n" " \n"
@ -716,7 +716,7 @@ static void prvRestoreContextOfFirstTask( void )
" dsb \n" /* Force memory writes before continuing. */ " dsb \n" /* Force memory writes before continuing. */
" \n" " \n"
/*---------- Restore Context. ---------- */ /*---------- Restore Context. ---------- */
" ldr r3, pxCurrentTCBConst2 \n" /* r3 = pxCurrentTCBConst2. */ " ldr r3, =pxCurrentTCB \n" /* r3 = =pxCurrentTCB. */
" ldr r2, [r3] \n" /* r2 = pxCurrentTCB. */ " ldr r2, [r3] \n" /* r2 = pxCurrentTCB. */
" ldr r1, [r2] \n" /* r1 = Location of saved context in TCB. */ " ldr r1, [r2] \n" /* r1 = Location of saved context in TCB. */
" \n" " \n"
@ -732,8 +732,6 @@ static void prvRestoreContextOfFirstTask( void )
" bx lr \n" " bx lr \n"
" \n" " \n"
" .ltorg \n" /* Assemble current literal pool to avoid offset-out-of-bound errors with lto. */ " .ltorg \n" /* Assemble current literal pool to avoid offset-out-of-bound errors with lto. */
" .align 4 \n"
"pxCurrentTCBConst2: .word pxCurrentTCB \n"
); );
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -988,7 +986,7 @@ void xPortPendSVHandler( void )
__asm volatile __asm volatile
( (
" ldr r3, pxCurrentTCBConst \n" /* r3 = pxCurrentTCBConst. */ " ldr r3, =pxCurrentTCB \n" /* r3 = =pxCurrentTCB. */
" ldr r2, [r3] \n" /* r2 = pxCurrentTCB. */ " ldr r2, [r3] \n" /* r2 = pxCurrentTCB. */
" ldr r1, [r2] \n" /* r1 = Location where the context should be saved. */ " ldr r1, [r2] \n" /* r1 = Location where the context should be saved. */
" \n" " \n"
@ -1012,7 +1010,7 @@ void xPortPendSVHandler( void )
" msr basepri, r0 \n" " msr basepri, r0 \n"
" \n" " \n"
/*------------ Program MPU. ------------ */ /*------------ Program MPU. ------------ */
" ldr r3, pxCurrentTCBConst \n" /* r3 = pxCurrentTCBConst. */ " ldr r3, =pxCurrentTCB \n" /* r3 = =pxCurrentTCB. */
" ldr r2, [r3] \n" /* r2 = pxCurrentTCB. */ " ldr r2, [r3] \n" /* r2 = pxCurrentTCB. */
" add r2, r2, #4 \n" /* r2 = Second item in the TCB which is xMPUSettings. */ " add r2, r2, #4 \n" /* r2 = Second item in the TCB which is xMPUSettings. */
" \n" " \n"
@ -1033,7 +1031,7 @@ void xPortPendSVHandler( void )
" dsb \n" /* Force memory writes before continuing. */ " dsb \n" /* Force memory writes before continuing. */
" \n" " \n"
/*---------- Restore Context. ---------- */ /*---------- Restore Context. ---------- */
" ldr r3, pxCurrentTCBConst \n" /* r3 = pxCurrentTCBConst. */ " ldr r3, =pxCurrentTCB \n" /* r3 = =pxCurrentTCB. */
" ldr r2, [r3] \n" /* r2 = pxCurrentTCB. */ " ldr r2, [r3] \n" /* r2 = pxCurrentTCB. */
" ldr r1, [r2] \n" /* r1 = Location of saved context in TCB. */ " ldr r1, [r2] \n" /* r1 = Location of saved context in TCB. */
" \n" " \n"
@ -1047,8 +1045,6 @@ void xPortPendSVHandler( void )
" bx lr \n" " bx lr \n"
" \n" " \n"
" .ltorg \n" /* Assemble current literal pool to avoid offset-out-of-bound errors with lto. */ " .ltorg \n" /* Assemble current literal pool to avoid offset-out-of-bound errors with lto. */
" .align 4 \n"
"pxCurrentTCBConst: .word pxCurrentTCB \n"
::"i" ( configMAX_SYSCALL_INTERRUPT_PRIORITY ) ::"i" ( configMAX_SYSCALL_INTERRUPT_PRIORITY )
); );
} }
@ -1207,8 +1203,6 @@ BaseType_t xIsPrivileged( void ) /* __attribute__ (( naked )) */
" movne r0, #0 \n" /* CONTROL[0]!=0. Return false to indicate that the processor is not privileged. */ " movne r0, #0 \n" /* CONTROL[0]!=0. Return false to indicate that the processor is not privileged. */
" moveq r0, #1 \n" /* CONTROL[0]==0. Return true to indicate that the processor is privileged. */ " moveq r0, #1 \n" /* CONTROL[0]==0. Return true to indicate that the processor is privileged. */
" bx lr \n" /* Return. */ " bx lr \n" /* Return. */
" \n"
" .align 4 \n"
::: "r0", "memory" ::: "r0", "memory"
); );
} }

12
portable/GCC/ARM_CM4F/port.c
View file

@ -260,8 +260,8 @@ static void prvTaskExitError( void )
void vPortSVCHandler( void ) void vPortSVCHandler( void )
{ {
__asm volatile ( __asm volatile (
" ldr r3, pxCurrentTCBConst2 \n" /* Restore the context. */ " ldr r3, =pxCurrentTCB \n" /* Restore the context. */
" ldr r1, [r3] \n" /* Use pxCurrentTCBConst to get the pxCurrentTCB address. */ " ldr r1, [r3] \n" /* Get the pxCurrentTCB address. */
" ldr r0, [r1] \n" /* The first item in pxCurrentTCB is the task top of stack. */ " ldr r0, [r1] \n" /* The first item in pxCurrentTCB is the task top of stack. */
" ldmia r0!, {r4-r11, r14} \n" /* Pop the registers that are not automatically saved on exception entry and the critical nesting count. */ " ldmia r0!, {r4-r11, r14} \n" /* Pop the registers that are not automatically saved on exception entry and the critical nesting count. */
" msr psp, r0 \n" /* Restore the task stack pointer. */ " msr psp, r0 \n" /* Restore the task stack pointer. */
@ -270,8 +270,7 @@ void vPortSVCHandler( void )
" msr basepri, r0 \n" " msr basepri, r0 \n"
" bx r14 \n" " bx r14 \n"
" \n" " \n"
" .align 4 \n" " .ltorg \n"
"pxCurrentTCBConst2: .word pxCurrentTCB \n"
); );
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -511,7 +510,7 @@ void xPortPendSVHandler( void )
" mrs r0, psp \n" " mrs r0, psp \n"
" isb \n" " isb \n"
" \n" " \n"
" ldr r3, pxCurrentTCBConst \n" /* Get the location of the current TCB. */ " ldr r3, =pxCurrentTCB \n" /* Get the location of the current TCB. */
" ldr r2, [r3] \n" " ldr r2, [r3] \n"
" \n" " \n"
" tst r14, #0x10 \n" /* Is the task using the FPU context? If so, push high vfp registers. */ " tst r14, #0x10 \n" /* Is the task using the FPU context? If so, push high vfp registers. */
@ -552,8 +551,7 @@ void xPortPendSVHandler( void )
" \n" " \n"
" bx r14 \n" " bx r14 \n"
" \n" " \n"
" .align 4 \n" " .ltorg \n"
"pxCurrentTCBConst: .word pxCurrentTCB \n"
::"i" ( configMAX_SYSCALL_INTERRUPT_PRIORITY ) ::"i" ( configMAX_SYSCALL_INTERRUPT_PRIORITY )
); );
} }

16
portable/GCC/ARM_CM4_MPU/port.c
View file

@ -761,7 +761,7 @@ static void prvRestoreContextOfFirstTask( void )
" msr msp, r0 \n" /* Set the msp back to the start of the stack. */ " msr msp, r0 \n" /* Set the msp back to the start of the stack. */
" \n" " \n"
/*------------ Program MPU. ------------ */ /*------------ Program MPU. ------------ */
" ldr r3, pxCurrentTCBConst2 \n" /* r3 = pxCurrentTCBConst2. */ " ldr r3, =pxCurrentTCB \n" /* r3 = =pxCurrentTCB. */
" ldr r2, [r3] \n" /* r2 = pxCurrentTCB. */ " ldr r2, [r3] \n" /* r2 = pxCurrentTCB. */
" add r2, r2, #4 \n" /* r2 = Second item in the TCB which is xMPUSettings. */ " add r2, r2, #4 \n" /* r2 = Second item in the TCB which is xMPUSettings. */
" \n" " \n"
@ -789,7 +789,7 @@ static void prvRestoreContextOfFirstTask( void )
" dsb \n" /* Force memory writes before continuing. */ " dsb \n" /* Force memory writes before continuing. */
" \n" " \n"
/*---------- Restore Context. ---------- */ /*---------- Restore Context. ---------- */
" ldr r3, pxCurrentTCBConst2 \n" /* r3 = pxCurrentTCBConst2. */ " ldr r3, =pxCurrentTCB \n" /* r3 = =pxCurrentTCB. */
" ldr r2, [r3] \n" /* r2 = pxCurrentTCB. */ " ldr r2, [r3] \n" /* r2 = pxCurrentTCB. */
" ldr r1, [r2] \n" /* r1 = Location of saved context in TCB. */ " ldr r1, [r2] \n" /* r1 = Location of saved context in TCB. */
" \n" " \n"
@ -805,8 +805,6 @@ static void prvRestoreContextOfFirstTask( void )
" bx lr \n" " bx lr \n"
" \n" " \n"
" .ltorg \n" /* Assemble current literal pool to avoid offset-out-of-bound errors with lto. */ " .ltorg \n" /* Assemble current literal pool to avoid offset-out-of-bound errors with lto. */
" .align 4 \n"
" pxCurrentTCBConst2: .word pxCurrentTCB\n"
); );
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -1084,7 +1082,7 @@ void xPortPendSVHandler( void )
__asm volatile __asm volatile
( (
" ldr r3, pxCurrentTCBConst \n" /* r3 = pxCurrentTCBConst. */ " ldr r3, =pxCurrentTCB \n" /* r3 = =pxCurrentTCB. */
" ldr r2, [r3] \n" /* r2 = pxCurrentTCB. */ " ldr r2, [r3] \n" /* r2 = pxCurrentTCB. */
" ldr r1, [r2] \n" /* r1 = Location where the context should be saved. */ " ldr r1, [r2] \n" /* r1 = Location where the context should be saved. */
" \n" " \n"
@ -1122,7 +1120,7 @@ void xPortPendSVHandler( void )
" msr basepri, r0 \n" " msr basepri, r0 \n"
" \n" " \n"
/*------------ Program MPU. ------------ */ /*------------ Program MPU. ------------ */
" ldr r3, pxCurrentTCBConst \n" /* r3 = pxCurrentTCBConst. */ " ldr r3, =pxCurrentTCB \n" /* r3 = =pxCurrentTCB. */
" ldr r2, [r3] \n" /* r2 = pxCurrentTCB. */ " ldr r2, [r3] \n" /* r2 = pxCurrentTCB. */
" add r2, r2, #4 \n" /* r2 = Second item in the TCB which is xMPUSettings. */ " add r2, r2, #4 \n" /* r2 = Second item in the TCB which is xMPUSettings. */
" \n" " \n"
@ -1150,7 +1148,7 @@ void xPortPendSVHandler( void )
" dsb \n" /* Force memory writes before continuing. */ " dsb \n" /* Force memory writes before continuing. */
" \n" " \n"
/*---------- Restore Context. ---------- */ /*---------- Restore Context. ---------- */
" ldr r3, pxCurrentTCBConst \n" /* r3 = pxCurrentTCBConst. */ " ldr r3, =pxCurrentTCB \n" /* r3 = =pxCurrentTCB. */
" ldr r2, [r3] \n" /* r2 = pxCurrentTCB. */ " ldr r2, [r3] \n" /* r2 = pxCurrentTCB. */
" ldr r1, [r2] \n" /* r1 = Location of saved context in TCB. */ " ldr r1, [r2] \n" /* r1 = Location of saved context in TCB. */
" \n" " \n"
@ -1170,8 +1168,6 @@ void xPortPendSVHandler( void )
" bx lr \n" " bx lr \n"
" \n" " \n"
" .ltorg \n" /* Assemble the current literal pool to avoid offset-out-of-bound errors with lto. */ " .ltorg \n" /* Assemble the current literal pool to avoid offset-out-of-bound errors with lto. */
" .align 4 \n"
" pxCurrentTCBConst: .word pxCurrentTCB \n"
::"i" ( configMAX_SYSCALL_INTERRUPT_PRIORITY ) ::"i" ( configMAX_SYSCALL_INTERRUPT_PRIORITY )
); );
} }
@ -1349,8 +1345,6 @@ BaseType_t xIsPrivileged( void ) /* __attribute__ (( naked )) */
" movne r0, #0 \n" /* CONTROL[0]!=0. Return false to indicate that the processor is not privileged. */ " movne r0, #0 \n" /* CONTROL[0]!=0. Return false to indicate that the processor is not privileged. */
" moveq r0, #1 \n" /* CONTROL[0]==0. Return true to indicate that the processor is privileged. */ " moveq r0, #1 \n" /* CONTROL[0]==0. Return true to indicate that the processor is privileged. */
" bx lr \n" /* Return. */ " bx lr \n" /* Return. */
" \n"
" .align 4 \n"
::: "r0", "memory" ::: "r0", "memory"
); );
} }

12
portable/GCC/ARM_CM7/r0p1/port.c
View file

@ -254,8 +254,8 @@ static void prvTaskExitError( void )
void vPortSVCHandler( void ) void vPortSVCHandler( void )
{ {
__asm volatile ( __asm volatile (
" ldr r3, pxCurrentTCBConst2 \n" /* Restore the context. */ " ldr r3, =pxCurrentTCB \n" /* Restore the context. */
" ldr r1, [r3] \n" /* Use pxCurrentTCBConst to get the pxCurrentTCB address. */ " ldr r1, [r3] \n" /* Get the pxCurrentTCB address. */
" ldr r0, [r1] \n" /* The first item in pxCurrentTCB is the task top of stack. */ " ldr r0, [r1] \n" /* The first item in pxCurrentTCB is the task top of stack. */
" ldmia r0!, {r4-r11, r14} \n" /* Pop the registers that are not automatically saved on exception entry and the critical nesting count. */ " ldmia r0!, {r4-r11, r14} \n" /* Pop the registers that are not automatically saved on exception entry and the critical nesting count. */
" msr psp, r0 \n" /* Restore the task stack pointer. */ " msr psp, r0 \n" /* Restore the task stack pointer. */
@ -264,8 +264,7 @@ void vPortSVCHandler( void )
" msr basepri, r0 \n" " msr basepri, r0 \n"
" bx r14 \n" " bx r14 \n"
" \n" " \n"
" .align 4 \n" " .ltorg \n"
"pxCurrentTCBConst2: .word pxCurrentTCB \n"
); );
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -499,7 +498,7 @@ void xPortPendSVHandler( void )
" mrs r0, psp \n" " mrs r0, psp \n"
" isb \n" " isb \n"
" \n" " \n"
" ldr r3, pxCurrentTCBConst \n" /* Get the location of the current TCB. */ " ldr r3, =pxCurrentTCB \n" /* Get the location of the current TCB. */
" ldr r2, [r3] \n" " ldr r2, [r3] \n"
" \n" " \n"
" tst r14, #0x10 \n" /* Is the task using the FPU context? If so, push high vfp registers. */ " tst r14, #0x10 \n" /* Is the task using the FPU context? If so, push high vfp registers. */
@ -542,8 +541,7 @@ void xPortPendSVHandler( void )
" \n" " \n"
" bx r14 \n" " bx r14 \n"
" \n" " \n"
" .align 4 \n" " .ltorg \n"
"pxCurrentTCBConst: .word pxCurrentTCB \n"
::"i" ( configMAX_SYSCALL_INTERRUPT_PRIORITY ) ::"i" ( configMAX_SYSCALL_INTERRUPT_PRIORITY )
); );
} }