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First pass at adding R4F floating point support.

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Richard Barry 2012-10-13 16:21:40 +00:00
parent fe2163ede4
commit 9ff79da901
7 changed files with 570 additions and 168 deletions
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FreeRTOS/Demo/CORTEX_R4_RM48_CCS5/.cproject
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@ -26,45 +26,45 @@
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11
FreeRTOS/Demo/CORTEX_R4_RM48_CCS5/.settings/org.eclipse.core.resources.prefs
View file

@ -10,3 +10,14 @@ encoding//Debug/startup/subdir_rules.mk=UTF-8
encoding//Debug/startup/subdir_vars.mk=UTF-8 encoding//Debug/startup/subdir_vars.mk=UTF-8
encoding//Debug/subdir_rules.mk=UTF-8 encoding//Debug/subdir_rules.mk=UTF-8
encoding//Debug/subdir_vars.mk=UTF-8 encoding//Debug/subdir_vars.mk=UTF-8
encoding//Debug_with_FPU/demo/subdir_rules.mk=UTF-8
encoding//Debug_with_FPU/demo/subdir_vars.mk=UTF-8
encoding//Debug_with_FPU/makefile=UTF-8
encoding//Debug_with_FPU/objects.mk=UTF-8
encoding//Debug_with_FPU/os/subdir_rules.mk=UTF-8
encoding//Debug_with_FPU/os/subdir_vars.mk=UTF-8
encoding//Debug_with_FPU/sources.mk=UTF-8
encoding//Debug_with_FPU/startup/subdir_rules.mk=UTF-8
encoding//Debug_with_FPU/startup/subdir_vars.mk=UTF-8
encoding//Debug_with_FPU/subdir_rules.mk=UTF-8
encoding//Debug_with_FPU/subdir_vars.mk=UTF-8

59
FreeRTOS/Demo/CORTEX_R4_RM48_CCS5/FreeRTOSConfig.h
View file

@ -79,50 +79,53 @@
* See http://www.freertos.org/a00110.html. * See http://www.freertos.org/a00110.html.
*----------------------------------------------------------*/ *----------------------------------------------------------*/
#define configUSE_PREEMPTION 1 #define configUSE_PREEMPTION 1
#define configUSE_IDLE_HOOK 1 #define configUSE_FPU 1
#define configUSE_TICK_HOOK 1 #define configUSE_IDLE_HOOK 1
#define configUSE_TRACE_FACILITY 0 #define configUSE_TICK_HOOK 1
#define configUSE_16_BIT_TICKS 0 #define configUSE_TRACE_FACILITY 0
#define configCPU_CLOCK_HZ ( ( unsigned portLONG ) 90000000 ) /* Timer clock. */ #define configUSE_16_BIT_TICKS 0
#define configTICK_RATE_HZ ( ( portTickType ) 1000 ) #define configCPU_CLOCK_HZ ( ( unsigned portLONG ) 90000000 ) /* Timer clock. */
#define configMAX_PRIORITIES ( ( unsigned portBASE_TYPE ) 8 ) #define configTICK_RATE_HZ ( ( portTickType ) 1000 )
#define configMINIMAL_STACK_SIZE ( ( unsigned portSHORT ) 128 ) #define configMAX_PRIORITIES ( ( unsigned portBASE_TYPE ) 8 )
#define configTOTAL_HEAP_SIZE ( ( size_t ) 32768 ) #define configMINIMAL_STACK_SIZE ( ( unsigned portSHORT ) 128 )
#define configMAX_TASK_NAME_LEN ( 16 ) #define configTOTAL_HEAP_SIZE ( ( size_t ) 32768 )
#define configIDLE_SHOULD_YIELD 1 #define configMAX_TASK_NAME_LEN ( 16 )
#define configGENERATE_RUN_TIME_STATS 0 #define configIDLE_SHOULD_YIELD 1
#define configUSE_MALLOC_FAILED_HOOK 1 #define configGENERATE_RUN_TIME_STATS 0
#define configUSE_MALLOC_FAILED_HOOK 1
#define configCHECK_FOR_STACK_OVERFLOW 2 #define configCHECK_FOR_STACK_OVERFLOW 2
/* Co-routine definitions. */ /* Co-routine definitions. */
#define configUSE_CO_ROUTINES 0 #define configUSE_CO_ROUTINES 0
#define configMAX_CO_ROUTINE_PRIORITIES ( 2 ) #define configMAX_CO_ROUTINE_PRIORITIES ( 2 )
/* Mutexes */ /* Mutexes */
#define configUSE_MUTEXES 1 #define configUSE_MUTEXES 1
#define configUSE_RECURSIVE_MUTEXES 1 #define configUSE_RECURSIVE_MUTEXES 1
/* Semaphores */ /* Semaphores */
#define configUSE_COUNTING_SEMAPHORES 1 #define configUSE_COUNTING_SEMAPHORES 1
/* Timers */ /* Timers */
#define configUSE_TIMERS 1 #define configUSE_TIMERS 1
#define configTIMER_TASK_PRIORITY ( 2 ) #define configTIMER_TASK_PRIORITY ( 2 )
#define configTIMER_QUEUE_LENGTH 10 #define configTIMER_QUEUE_LENGTH 10
#define configTIMER_TASK_STACK_DEPTH ( 128 ) #define configTIMER_TASK_STACK_DEPTH ( 128 )
/* Set the following definitions to 1 to include the API function, or zero to exclude the API function. */ /* Set the following definitions to 1 to include the API function, or zero to exclude the API function. */
#define INCLUDE_vTaskPrioritySet 1 #define INCLUDE_vTaskPrioritySet 1
#define INCLUDE_uxTaskPriorityGet 1 #define INCLUDE_uxTaskPriorityGet 1
#define INCLUDE_vTaskDelete 1 #define INCLUDE_vTaskDelete 1
#define INCLUDE_vTaskCleanUpResources 0 #define INCLUDE_vTaskCleanUpResources 0
#define INCLUDE_vTaskSuspend 1 #define INCLUDE_vTaskSuspend 1
#define INCLUDE_xTaskResumeFromISR 0 #define INCLUDE_xTaskResumeFromISR 0
#define INCLUDE_vTaskDelayUntil 1 #define INCLUDE_vTaskDelayUntil 1
#define INCLUDE_vTaskDelay 1 #define INCLUDE_vTaskDelay 1
#define INCLUDE_xTaskGetSchedulerState 1 #define INCLUDE_xTaskGetSchedulerState 1
#define INCLUDE_uxTaskGetStackHighWaterMark 1 #define INCLUDE_uxTaskGetStackHighWaterMark 1
#define configASSERT( x ) if( ( x ) == pdFALSE ) { taskDISABLE_INTERRUPTS(); for( ;; ); }
#endif /* FREERTOS_CONFIG_H */ #endif /* FREERTOS_CONFIG_H */

1
FreeRTOS/Demo/CORTEX_R4_RM48_CCS5/main.c
View file

@ -113,7 +113,6 @@ extern void main_full( void );
/* See the documentation page for this demo on the FreeRTOS.org web site for /* See the documentation page for this demo on the FreeRTOS.org web site for
full information - including hardware setup requirements. */ full information - including hardware setup requirements. */
int main( void ) int main( void )
{ {
/* Prepare the hardware to run this demo. */ /* Prepare the hardware to run this demo. */

51
FreeRTOS/Demo/CORTEX_R4_RM48_CCS5/os/port.c
View file

@ -90,9 +90,9 @@ unsigned portLONG ulCriticalNesting = 9999;
/* Constants required to set up the initial stack of each task. */ /* Constants required to set up the initial stack of each task. */
#define portINITIAL_SPSR ( ( portSTACK_TYPE ) 0x1F ) #define portINITIAL_SPSR ( ( portSTACK_TYPE ) 0x1F )
#define portINITIAL_FPSCR ( ( portSTACK_TYPE ) 0x00 ) #define portINITIAL_FPSCR ( ( portSTACK_TYPE ) 0x00 )
#define portINSTRUCTION_SIZE ( ( portSTACK_TYPE ) 0x04 ) #define portINSTRUCTION_SIZE ( ( portSTACK_TYPE ) 0x04 )
#define portTHUMB_MODE_BIT ( ( portSTACK_TYPE ) 0x20 ) #define portTHUMB_MODE_BIT ( ( portSTACK_TYPE ) 0x20 )
/* The number of words on the stack frame between the saved Top Of Stack and /* The number of words on the stack frame between the saved Top Of Stack and
@ -106,6 +106,12 @@ extern void vPortStartFirstTask( void );
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* Saved as part of the task context. Set to pdFALSE if the task does not
require an FPU context. */
unsigned long ulTaskHasFPUContext = 0;
/*-----------------------------------------------------------*/
/* /*
* See header file for description. * See header file for description.
@ -116,6 +122,13 @@ portSTACK_TYPE *pxOriginalTOS;
pxOriginalTOS = pxTopOfStack; pxOriginalTOS = pxTopOfStack;
#if __TI_VFP_SUPPORT__
{
/* Ensure the stack is correctly aligned on exit. */
pxTopOfStack--;
}
#endif
/* Setup the initial stack of the task. The stack is set exactly as /* Setup the initial stack of the task. The stack is set exactly as
expected by the portRESTORE_CONTEXT() macro. */ expected by the portRESTORE_CONTEXT() macro. */
@ -167,8 +180,7 @@ portSTACK_TYPE *pxOriginalTOS;
*pxTopOfStack = ( portSTACK_TYPE ) pvParameters; /* R0 */ *pxTopOfStack = ( portSTACK_TYPE ) pvParameters; /* R0 */
pxTopOfStack--; pxTopOfStack--;
/* The last thing onto the stack is the status register, which is set for /* Set the status register for system mode, with interrupts enabled. */
system mode, with interrupts enabled. */
*pxTopOfStack = ( portSTACK_TYPE ) ( ( _get_CPSR() & ~0xFF ) | portINITIAL_SPSR ); *pxTopOfStack = ( portSTACK_TYPE ) ( ( _get_CPSR() & ~0xFF ) | portINITIAL_SPSR );
if( ( ( unsigned long ) pxCode & 0x01UL ) != 0x00 ) if( ( ( unsigned long ) pxCode & 0x01UL ) != 0x00 )
@ -177,6 +189,17 @@ portSTACK_TYPE *pxOriginalTOS;
*pxTopOfStack |= portTHUMB_MODE_BIT; *pxTopOfStack |= portTHUMB_MODE_BIT;
} }
#ifdef __TI_VFP_SUPPORT__
{
pxTopOfStack--;
/* The last thing on the stack is the tasks ulUsingFPU value, which by
default is set to indicate that the stack frame does not include FPU
registers. */
*pxTopOfStack = pdFALSE;
}
#endif
return pxTopOfStack; return pxTopOfStack;
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -307,3 +330,21 @@ void vPortExitCritical( void )
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
#if __TI_VFP_SUPPORT__
void vPortTaskUsesFPU( void )
{
extern void vPortInitialiseFPSCR( void );
/* A task is registering the fact that it needs an FPU context. Set the
FPU flag (saved as part of the task context. */
ulTaskHasFPUContext = pdTRUE;
/* Initialise the floating point status register. */
vPortInitialiseFPSCR();
}
#endif /* __TI_VFP_SUPPORT__ */
/*-----------------------------------------------------------*/

228
FreeRTOS/Demo/CORTEX_R4_RM48_CCS5/os/portASM.asm
View file

@ -51,117 +51,203 @@
; licensing and training services. ; licensing and training services.
;*/ ;*/
; TCJ: Using SSI interrupt todo portYIELD_WITHIN_API, means that we do not need
; to save ulCriticalNesting in the task context
.text .text
.arm .arm
.ref vTaskSwitchContext
.ref vTaskIncrementTick
.ref ulTaskHasFPUContext
.ref pxCurrentTCB
;------------------------------------------------------------------------------- ;/*-----------------------------------------------------------*/
; ;
; Save Task Context ; Save Task Context
; ;
portSAVE_CONTEXT .macro portSAVE_CONTEXT .macro
stmfd sp!, {r0} DSB
stmfd sp, {sp}^
sub sp, sp, #4 ; Push R0 as we are going to use it
ldmfd sp!, {r0} STMDB SP!, {R0}
stmfd r0!, {lr}
mov lr, r0 ; Set R0 to point to the task stack pointer.
ldmfd sp!, {r0} STMDB SP,{SP}^
stmfd lr, {r0-lr}^ SUB SP, SP, #4
sub lr, lr, #0x3C LDMIA SP!,{R0}
.if (__TI_VFPV3D16_SUPPORT__)
fstmdbd lr!, {d0-d15} ; Push the return address onto the stack.
mrs r0, spsr STMDB R0!, {LR}
fmrx r1, fpscr
stmfd lr!, {r0,r1} ; Now LR has been saved, it can be used instead of R0.
.else MOV LR, R0
mrs r0, spsr
stmfd lr!, {r0} ; Pop R0 so it can be saved onto the task stack.
.endif LDMIA SP!, {R0}
ldr r0, curTCB
ldr r0, [r0] ; Push all the system mode registers onto the task stack.
str lr, [r0] STMDB LR,{R0-LR}^
SUB LR, LR, #60
; Push the SPSR onto the task stack.
MRS R0, SPSR
STMDB LR!, {R0}
.if (__TI_VFP_SUPPORT__)
;Determine if the task maintains an FPU context.
LDR R0, ulFPUContextConst
LDR R0, [R0]
; Test the flag
CMP R0, #0
; If the task is not using a floating point context then skip the
; saving of the FPU registers.
BEQ PC+3
FSTMDBD LR!, {D0-D15}
FMRX R1, FPSCR
STMFD LR!, {R1}
; Save the flag
STMDB LR!, {R0}
.endif
; Store the new top of stack for the task.
LDR R0, pxCurrentTCBConst
LDR R0, [R0]
STR LR, [R0]
.endm .endm
;------------------------------------------------------------------------------- ;/*-----------------------------------------------------------*/
;
; Restore Task Context ; Restore Task Context
; ;
portRESTORE_CONTEXT .macro portRESTORE_CONTEXT .macro
ldr r0, curTCB LDR R0, pxCurrentTCBConst
ldr r0, [r0] LDR R0, [R0]
ldr lr, [r0] LDR LR, [R0]
.if (__TI_VFPV3D16_SUPPORT__)
ldmfd lr!, {r0,r1} .if (__TI_VFP_SUPPORT__)
fldmiad lr!, {d0-d15} ; The floating point context flag is the first thing on the stack.
fmxr fpscr, r1 LDR R0, ulFPUContextConst
.else LDMFD LR!, {R1}
ldmfd lr!, {r0} STR R1, [R0]
.endif
msr spsr_csxf, r0 ; Test the flag
ldmfd lr, {r0-r14}^ CMP R1, #0
ldr lr, [lr, #0x3C]
subs pc, lr, #4 ; If the task is not using a floating point context then skip the
; VFP register loads.
BEQ PC+3
; Restore the floating point context.
LDMFD LR!, {R0}
FLDMIAD LR!, {D0-D15}
FMXR FPSCR, R0
.endif
; Get the SPSR from the stack.
LDMFD LR!, {R0}
MSR SPSR_CF, R0
; Restore all system mode registers for the task.
LDMFD LR, {R0-R14}^
; Restore the return address.
LDR LR, [LR, #+60]
; And return - correcting the offset in the LR to obtain the
; correct address.
SUBS PC, LR, #4
.endm .endm
;------------------------------------------------------------------------------- ;/*-----------------------------------------------------------*/
; Start First Task ; Start the first task by restoring its context.
.def vPortStartFirstTask .def vPortStartFirstTask
vPortStartFirstTask vPortStartFirstTask:
portRESTORE_CONTEXT portRESTORE_CONTEXT
;------------------------------------------------------------------------------- ;/*-----------------------------------------------------------*/
; Yield Processor ; Yield to another task.
.def vPortYieldProcessor .def vPortYieldProcessor
.ref vTaskSwitchContext
vPortYieldProcessor vPortYieldProcessor:
add lr, lr, #4 ; Within an IRQ ISR the link register has an offset from the true return
; address. SWI doesn't do this. Add the offset manually so the ISR
; return code can be used.
ADD LR, LR, #4
; First save the context of the current task.
portSAVE_CONTEXT portSAVE_CONTEXT
bl vTaskSwitchContext
; Select the next task to execute. */
BL vTaskSwitchContext
; Restore the context of the task selected to execute.
portRESTORE_CONTEXT portRESTORE_CONTEXT
;------------------------------------------------------------------------------- ;/*-----------------------------------------------------------*/
; Yield Processor From Within FreeRTOS API ; Yield to another task from within the FreeRTOS API
.def vPortYeildWithinAPI .def vPortYeildWithinAPI
vPortYeildWithinAPI vPortYeildWithinAPI:
; Save the context of the current task.
portSAVE_CONTEXT portSAVE_CONTEXT
; clear SSI flag ; Clear SSI flag.
movw r0, #0xFFF4 MOVW R0, #0xFFF4
movt r0, #0xFFFF MOVT R0, #0xFFFF
ldr r0, [r0]; LDR R0, [R0]
; switch task
bl vTaskSwitchContext ; Select the next task to execute. */
BL vTaskSwitchContext
; Restore the context of the task selected to execute.
portRESTORE_CONTEXT portRESTORE_CONTEXT
;------------------------------------------------------------------------------- ;/*-----------------------------------------------------------*/
; Preemptive Tick ; Preemptive Tick
.def vPortPreemptiveTick .def vPortPreemptiveTick
.ref vTaskIncrementTick
vPortPreemptiveTick vPortPreemptiveTick:
; Save the context of the current task.
portSAVE_CONTEXT portSAVE_CONTEXT
; clear interrupt flag
movw r0, #0xFC88 ; Clear interrupt flag
movt r0, #0xFFFF MOVW R0, #0xFC88
mov r1, #1 MOVT R0, #0xFFFF
str r1, [r0] MOV R1, #1
bl vTaskIncrementTick STR R1, [R0]
bl vTaskSwitchContext
; Increment the tick count, making any adjustments to the blocked lists
; that may be necessary.
BL vTaskIncrementTick
; Select the next task to execute.
BL vTaskSwitchContext
; Restore the context of the task selected to execute.
portRESTORE_CONTEXT portRESTORE_CONTEXT
;------------------------------------------------------------------------------- ;-------------------------------------------------------------------------------
.ref pxCurrentTCB .if (__TI_VFP_SUPPORT__)
curTCB .word pxCurrentTCB
.def vPortInitialiseFPSCR
vPortInitialiseFPSCR:
MOV R0, #0
FMXR FPSCR, R0
BX LR
.endif ;__TI_VFP_SUPPORT__
pxCurrentTCBConst .word pxCurrentTCB
ulFPUContextConst .word ulTaskHasFPUContext
;------------------------------------------------------------------------------- ;-------------------------------------------------------------------------------

259
FreeRTOS/Demo/CORTEX_R4_RM48_CCS5/reg_test.asm
View file

@ -68,10 +68,20 @@
; ;
.def vRegTestTask1 .def vRegTestTask1
.ref ulRegTest1Counter .ref ulRegTest1Counter
.if (__TI_VFP_SUPPORT__)
.ref vPortTaskUsesFPU
.endif ;__TI_VFP_SUPPORT__
.text .text
.arm .arm
vRegTestTask1: vRegTestTask1:
.if (__TI_VFP_SUPPORT__)
; Let the port layer know that this task needs its FPU context saving.
BL vPortTaskUsesFPU
.endif
; Fill each general purpose register with a known value. ; Fill each general purpose register with a known value.
mov r0, #0xFF mov r0, #0xFF
mov r1, #0x11 mov r1, #0x11
@ -88,11 +98,133 @@ vRegTestTask1:
mov r12, #0xCC mov r12, #0xCC
mov r14, #0xEE mov r14, #0xEE
.if (__TI_VFP_SUPPORT__)
; Fill each FPU register with a known value.
vmov d0, r0, r1
vmov d1, r2, r3
vmov d2, r4, r5
vmov d3, r6, r7
vmov d4, r8, r9
vmov d5, r10, r11
vmov d6, r0, r1
vmov d7, r2, r3
vmov d8, r4, r5
vmov d9, r6, r7
vmov d10, r8, r9
vmov d11, r10, r11
vmov d12, r0, r1
vmov d13, r2, r3
vmov d14, r4, r5
vmov d15, r6, r7
.endif
vRegTestLoop1: vRegTestLoop1:
; Force yeild ; Force yeild
swi #0 swi #0
.if (__TI_VFP_SUPPORT__)
; Check all the VFP registers still contain the values set above.
; First save registers that are clobbered by the test.
push { r0-r1 }
vmov r0, r1, d0
cmp r0, #0xFF
bne reg1_error_loopf
cmp r1, #0x11
bne reg1_error_loopf
vmov r0, r1, d1
cmp r0, #0x22
bne reg1_error_loopf
cmp r1, #0x33
bne reg1_error_loopf
vmov r0, r1, d2
cmp r0, #0x44
bne reg1_error_loopf
cmp r1, #0x55
bne reg1_error_loopf
vmov r0, r1, d3
cmp r0, #0x66
bne reg1_error_loopf
cmp r1, #0x77
bne reg1_error_loopf
vmov r0, r1, d4
cmp r0, #0x88
bne reg1_error_loopf
cmp r1, #0x99
bne reg1_error_loopf
vmov r0, r1, d5
cmp r0, #0xAA
bne reg1_error_loopf
cmp r1, #0xBB
bne reg1_error_loopf
vmov r0, r1, d6
cmp r0, #0xFF
bne reg1_error_loopf
cmp r1, #0x11
bne reg1_error_loopf
vmov r0, r1, d7
cmp r0, #0x22
bne reg1_error_loopf
cmp r1, #0x33
bne reg1_error_loopf
vmov r0, r1, d8
cmp r0, #0x44
bne reg1_error_loopf
cmp r1, #0x55
bne reg1_error_loopf
vmov r0, r1, d9
cmp r0, #0x66
bne reg1_error_loopf
cmp r1, #0x77
bne reg1_error_loopf
vmov r0, r1, d10
cmp r0, #0x88
bne reg1_error_loopf
cmp r1, #0x99
bne reg1_error_loopf
vmov r0, r1, d11
cmp r0, #0xAA
bne reg1_error_loopf
cmp r1, #0xBB
bne reg1_error_loopf
vmov r0, r1, d12
cmp r0, #0xFF
bne reg1_error_loopf
cmp r1, #0x11
bne reg1_error_loopf
vmov r0, r1, d13
cmp r0, #0x22
bne reg1_error_loopf
cmp r1, #0x33
bne reg1_error_loopf
vmov r0, r1, d14
cmp r0, #0x44
bne reg1_error_loopf
cmp r1, #0x55
bne reg1_error_loopf
vmov r0, r1, d15
cmp r0, #0x66
bne reg1_error_loopf
cmp r1, #0x77
bne reg1_error_loopf
; Restore the registers that were clobbered by the test.
pop {r0-r1}
; VFP register test passed. Jump to the core register test.
b reg1_loopf_pass
reg1_error_loopf:
; If this line is hit then a VFP register value was found to be
; incorrect.
b reg1_error_loopf
reg1_loopf_pass:
.endif ;__TI_VFP_SUPPORT__
; Test each general purpose register to check that it still contains the ; Test each general purpose register to check that it still contains the
; expected known value, jumping to vRegTestError1 if any register contains ; expected known value, jumping to vRegTestError1 if any register contains
; an unexpected value. ; an unexpected value.
@ -151,6 +283,11 @@ vRegTestError1:
.arm .arm
; ;
vRegTestTask2: vRegTestTask2:
.if (__TI_VFP_SUPPORT__)
; Let the port layer know that this task needs its FPU context saving.
BL vPortTaskUsesFPU
.endif
; Fill each general purpose register with a known value. ; Fill each general purpose register with a known value.
mov r0, #0xFF000000 mov r0, #0xFF000000
mov r1, #0x11000000 mov r1, #0x11000000
@ -167,8 +304,130 @@ vRegTestTask2:
mov r12, #0xCC000000 mov r12, #0xCC000000
mov r14, #0xEE000000 mov r14, #0xEE000000
.if (__TI_VFP_SUPPORT__)
; Fill each FPU register with a known value.
vmov d0, r0, r1
vmov d1, r2, r3
vmov d2, r4, r5
vmov d3, r6, r7
vmov d4, r8, r9
vmov d5, r10, r11
vmov d6, r0, r1
vmov d7, r2, r3
vmov d8, r4, r5
vmov d9, r6, r7
vmov d10, r8, r9
vmov d11, r10, r11
vmov d12, r0, r1
vmov d13, r2, r3
vmov d14, r4, r5
vmov d15, r6, r7
.endif
vRegTestLoop2: vRegTestLoop2:
.if (__TI_VFP_SUPPORT__)
; Check all the VFP registers still contain the values set above.
; First save registers that are clobbered by the test.
push { r0-r1 }
vmov r0, r1, d0
cmp r0, #0xFF000000
bne reg2_error_loopf
cmp r1, #0x11000000
bne reg2_error_loopf
vmov r0, r1, d1
cmp r0, #0x22000000
bne reg2_error_loopf
cmp r1, #0x33000000
bne reg2_error_loopf
vmov r0, r1, d2
cmp r0, #0x44000000
bne reg2_error_loopf
cmp r1, #0x55000000
bne reg2_error_loopf
vmov r0, r1, d3
cmp r0, #0x66000000
bne reg2_error_loopf
cmp r1, #0x77000000
bne reg2_error_loopf
vmov r0, r1, d4
cmp r0, #0x88000000
bne reg2_error_loopf
cmp r1, #0x99000000
bne reg2_error_loopf
vmov r0, r1, d5
cmp r0, #0xAA000000
bne reg2_error_loopf
cmp r1, #0xBB000000
bne reg2_error_loopf
vmov r0, r1, d6
cmp r0, #0xFF000000
bne reg2_error_loopf
cmp r1, #0x11000000
bne reg2_error_loopf
vmov r0, r1, d7
cmp r0, #0x22000000
bne reg2_error_loopf
cmp r1, #0x33000000
bne reg2_error_loopf
vmov r0, r1, d8
cmp r0, #0x44000000
bne reg2_error_loopf
cmp r1, #0x55000000
bne reg2_error_loopf
vmov r0, r1, d9
cmp r0, #0x66000000
bne reg2_error_loopf
cmp r1, #0x77000000
bne reg2_error_loopf
vmov r0, r1, d10
cmp r0, #0x88000000
bne reg2_error_loopf
cmp r1, #0x99000000
bne reg2_error_loopf
vmov r0, r1, d11
cmp r0, #0xAA000000
bne reg2_error_loopf
cmp r1, #0xBB000000
bne reg2_error_loopf
vmov r0, r1, d12
cmp r0, #0xFF000000
bne reg2_error_loopf
cmp r1, #0x11000000
bne reg2_error_loopf
vmov r0, r1, d13
cmp r0, #0x22000000
bne reg2_error_loopf
cmp r1, #0x33000000
bne reg2_error_loopf
vmov r0, r1, d14
cmp r0, #0x44000000
bne reg2_error_loopf
cmp r1, #0x55000000
bne reg2_error_loopf
vmov r0, r1, d15
cmp r0, #0x66000000
bne reg2_error_loopf
cmp r1, #0x77000000
bne reg2_error_loopf
; Restore the registers that were clobbered by the test.
pop {r0-r1}
; VFP register test passed. Jump to the core register test.
b reg2_loopf_pass
reg2_error_loopf:
; If this line is hit then a VFP register value was found to be
; incorrect.
b reg2_error_loopf
reg2_loopf_pass:
.endif ;__TI_VFP_SUPPORT__
; Test each general purpose register to check that it still contains the ; Test each general purpose register to check that it still contains the
; expected known value, jumping to vRegTestError2 if any register contains ; expected known value, jumping to vRegTestError2 if any register contains
; an unexpected value. ; an unexpected value.