Style: Revert uncrustify for portable directories (#122)

* Style: revert uncrustify portable directories

* Style: Uncrustify Some Portable files

Co-authored-by: Alfred Gedeon <gedeonag@amazon.com>
This commit is contained in:
alfred gedeon 2020-08-17 10:51:02 -07:00 committed by GitHub
parent a6da1cd0ce
commit 86653e2a1f
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273 changed files with 64802 additions and 65931 deletions

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@ -27,406 +27,406 @@
#include "FreeRTOSConfig.h"
#define portCONTEXT_SIZE 160
#define portEPC_STACK_LOCATION 152
#define portSTATUS_STACK_LOCATION 156
#define portFPCSR_STACK_LOCATION 0
#define portTASK_HAS_FPU_STACK_LOCATION 0
#define portFPU_CONTEXT_SIZE 264
#define portCONTEXT_SIZE 160
#define portEPC_STACK_LOCATION 152
#define portSTATUS_STACK_LOCATION 156
#define portFPCSR_STACK_LOCATION 0
#define portTASK_HAS_FPU_STACK_LOCATION 0
#define portFPU_CONTEXT_SIZE 264
/******************************************************************/
.macro portSAVE_FPU_REGS offset, base
.macro portSAVE_FPU_REGS offset, base
/* Macro to assist with saving just the FPU registers to the
* specified address and base offset,
* offset is a constant, base is the base pointer register */
/* Macro to assist with saving just the FPU registers to the
* specified address and base offset,
* offset is a constant, base is the base pointer register */
sdc1 $f31, \offset + 248(\base)
sdc1 $f30, \offset + 240(\base)
sdc1 $f29, \offset + 232(\base)
sdc1 $f28, \offset + 224(\base)
sdc1 $f27, \offset + 216(\base)
sdc1 $f26, \offset + 208(\base)
sdc1 $f25, \offset + 200(\base)
sdc1 $f24, \offset + 192(\base)
sdc1 $f23, \offset + 184(\base)
sdc1 $f22, \offset + 176(\base)
sdc1 $f21, \offset + 168(\base)
sdc1 $f20, \offset + 160(\base)
sdc1 $f19, \offset + 152(\base)
sdc1 $f18, \offset + 144(\base)
sdc1 $f17, \offset + 136(\base)
sdc1 $f16, \offset + 128(\base)
sdc1 $f15, \offset + 120(\base)
sdc1 $f14, \offset + 112(\base)
sdc1 $f13, \offset + 104(\base)
sdc1 $f12, \offset + 96(\base)
sdc1 $f11, \offset + 88(\base)
sdc1 $f10, \offset + 80(\base)
sdc1 $f9, \offset + 72(\base)
sdc1 $f8, \offset + 64(\base)
sdc1 $f7, \offset + 56(\base)
sdc1 $f6, \offset + 48(\base)
sdc1 $f5, \offset + 40(\base)
sdc1 $f4, \offset + 32(\base)
sdc1 $f3, \offset + 24(\base)
sdc1 $f2, \offset + 16(\base)
sdc1 $f1, \offset + 8(\base)
sdc1 $f0, \offset + 0(\base)
sdc1 $f31, \ offset + 248 ( \ base )
sdc1 $f30, \ offset + 240 ( \ base )
sdc1 $f29, \ offset + 232 ( \ base )
sdc1 $f28, \ offset + 224 ( \ base )
sdc1 $f27, \ offset + 216 ( \ base )
sdc1 $f26, \ offset + 208 ( \ base )
sdc1 $f25, \ offset + 200 ( \ base )
sdc1 $f24, \ offset + 192 ( \ base )
sdc1 $f23, \ offset + 184 ( \ base )
sdc1 $f22, \ offset + 176 ( \ base )
sdc1 $f21, \ offset + 168 ( \ base )
sdc1 $f20, \ offset + 160 ( \ base )
sdc1 $f19, \ offset + 152 ( \ base )
sdc1 $f18, \ offset + 144 ( \ base )
sdc1 $f17, \ offset + 136 ( \ base )
sdc1 $f16, \ offset + 128 ( \ base )
sdc1 $f15, \ offset + 120 ( \ base )
sdc1 $f14, \ offset + 112 ( \ base )
sdc1 $f13, \ offset + 104 ( \ base )
sdc1 $f12, \ offset + 96 ( \ base )
sdc1 $f11, \ offset + 88 ( \ base )
sdc1 $f10, \ offset + 80 ( \ base )
sdc1 $f9, \ offset + 72 ( \ base )
sdc1 $f8, \ offset + 64 ( \ base )
sdc1 $f7, \ offset + 56 ( \ base )
sdc1 $f6, \ offset + 48 ( \ base )
sdc1 $f5, \ offset + 40 ( \ base )
sdc1 $f4, \ offset + 32 ( \ base )
sdc1 $f3, \ offset + 24 ( \ base )
sdc1 $f2, \ offset + 16 ( \ base )
sdc1 $f1, \ offset + 8 ( \ base )
sdc1 $f0, \ offset + 0 ( \ base )
.endm
.endm
/******************************************************************/
.macro portLOAD_FPU_REGS offset, base
.macro portLOAD_FPU_REGS offset, base
/* Macro to assist with loading just the FPU registers from the
* specified address and base offset, offset is a constant,
* base is the base pointer register */
/* Macro to assist with loading just the FPU registers from the
* specified address and base offset, offset is a constant,
* base is the base pointer register */
ldc1 $f0, \offset + 0(\base)
ldc1 $f1, \offset + 8(\base)
ldc1 $f2, \offset + 16(\base)
ldc1 $f3, \offset + 24(\base)
ldc1 $f4, \offset + 32(\base)
ldc1 $f5, \offset + 40(\base)
ldc1 $f6, \offset + 48(\base)
ldc1 $f7, \offset + 56(\base)
ldc1 $f8, \offset + 64(\base)
ldc1 $f9, \offset + 72(\base)
ldc1 $f10, \offset + 80(\base)
ldc1 $f11, \offset + 88(\base)
ldc1 $f12, \offset + 96(\base)
ldc1 $f13, \offset + 104(\base)
ldc1 $f14, \offset + 112(\base)
ldc1 $f15, \offset + 120(\base)
ldc1 $f16, \offset + 128(\base)
ldc1 $f17, \offset + 136(\base)
ldc1 $f18, \offset + 144(\base)
ldc1 $f19, \offset + 152(\base)
ldc1 $f20, \offset + 160(\base)
ldc1 $f21, \offset + 168(\base)
ldc1 $f22, \offset + 176(\base)
ldc1 $f23, \offset + 184(\base)
ldc1 $f24, \offset + 192(\base)
ldc1 $f25, \offset + 200(\base)
ldc1 $f26, \offset + 208(\base)
ldc1 $f27, \offset + 216(\base)
ldc1 $f28, \offset + 224(\base)
ldc1 $f29, \offset + 232(\base)
ldc1 $f30, \offset + 240(\base)
ldc1 $f31, \offset + 248(\base)
ldc1 $f0, \ offset + 0 ( \ base )
ldc1 $f1, \ offset + 8 ( \ base )
ldc1 $f2, \ offset + 16 ( \ base )
ldc1 $f3, \ offset + 24 ( \ base )
ldc1 $f4, \ offset + 32 ( \ base )
ldc1 $f5, \ offset + 40 ( \ base )
ldc1 $f6, \ offset + 48 ( \ base )
ldc1 $f7, \ offset + 56 ( \ base )
ldc1 $f8, \ offset + 64 ( \ base )
ldc1 $f9, \ offset + 72 ( \ base )
ldc1 $f10, \ offset + 80 ( \ base )
ldc1 $f11, \ offset + 88 ( \ base )
ldc1 $f12, \ offset + 96 ( \ base )
ldc1 $f13, \ offset + 104 ( \ base )
ldc1 $f14, \ offset + 112 ( \ base )
ldc1 $f15, \ offset + 120 ( \ base )
ldc1 $f16, \ offset + 128 ( \ base )
ldc1 $f17, \ offset + 136 ( \ base )
ldc1 $f18, \ offset + 144 ( \ base )
ldc1 $f19, \ offset + 152 ( \ base )
ldc1 $f20, \ offset + 160 ( \ base )
ldc1 $f21, \ offset + 168 ( \ base )
ldc1 $f22, \ offset + 176 ( \ base )
ldc1 $f23, \ offset + 184 ( \ base )
ldc1 $f24, \ offset + 192 ( \ base )
ldc1 $f25, \ offset + 200 ( \ base )
ldc1 $f26, \ offset + 208 ( \ base )
ldc1 $f27, \ offset + 216 ( \ base )
ldc1 $f28, \ offset + 224 ( \ base )
ldc1 $f29, \ offset + 232 ( \ base )
ldc1 $f30, \ offset + 240 ( \ base )
ldc1 $f31, \ offset + 248 ( \ base )
.endm
.endm
/******************************************************************/
.macro portSAVE_CONTEXT
.macro portSAVE_CONTEXT
/* Make room for the context. First save the current status so it can be
* manipulated, and the cause and EPC registers so their original values are
* captured. */
mfc0 k0, _CP0_CAUSE
addiu sp, sp, -portCONTEXT_SIZE
/* Make room for the context. First save the current status so it can be
manipulated, and the cause and EPC registers so their original values are
captured. */
mfc0 k0, _CP0_CAUSE
addiu sp, sp, -portCONTEXT_SIZE
#if ( __mips_hard_float == 1 ) && ( configUSE_TASK_FPU_SUPPORT == 1 )
#if ( __mips_hard_float == 1 ) && ( configUSE_TASK_FPU_SUPPORT == 1 )
/* Test if we are already using the system stack. Only tasks may use the
FPU so if we are already in a nested interrupt then the FPU context does
not require saving. */
la k1, uxInterruptNesting
lw k1, 0(k1)
bne k1, zero, 2f
nop
/* Test if we are already using the system stack. Only tasks may use the
* FPU so if we are already in a nested interrupt then the FPU context does
* not require saving. */
la k1, uxInterruptNesting
lw k1, 0 ( k1 )
bne k1, zero, 2f
nop
/* Test if the current task needs the FPU context saving. */
la k1, ulTaskHasFPUContext
lw k1, 0(k1)
beq k1, zero, 1f
nop
/* Test if the current task needs the FPU context saving. */
la k1, ulTaskHasFPUContext
lw k1, 0 ( k1 )
beq k1, zero, 1f
nop
/* Adjust the stack to account for the additional FPU context.*/
addiu sp, sp, -portFPU_CONTEXT_SIZE
/* Adjust the stack to account for the additional FPU context.*/
addiu sp, sp, -portFPU_CONTEXT_SIZE
1:
/* Save the ulTaskHasFPUContext flag. */
sw k1, portTASK_HAS_FPU_STACK_LOCATION(sp)
1 :
/* Save the ulTaskHasFPUContext flag. */
sw k1, portTASK_HAS_FPU_STACK_LOCATION( sp )
2:
#endif
2 :
#endif /* if ( __mips_hard_float == 1 ) && ( configUSE_TASK_FPU_SUPPORT == 1 ) */
mfc0 k1, _CP0_STATUS
mfc0 k1, _CP0_STATUS
/* Also save s7, s6 and s5 so they can be used. Any nesting interrupts
should maintain the values of these registers across the ISR. */
sw s7, 48(sp)
sw s6, 44(sp)
sw s5, 40(sp)
sw k1, portSTATUS_STACK_LOCATION(sp)
/* Also save s7, s6 and s5 so they can be used. Any nesting interrupts
* should maintain the values of these registers across the ISR. */
sw s7, 48 ( sp )
sw s6, 44 ( sp )
sw s5, 40 ( sp )
sw k1, portSTATUS_STACK_LOCATION( sp )
/* Prepare to enable interrupts above the current priority. */
srl k0, k0, 0xa
ins k1, k0, 10, 7
srl k0, k0, 0x7 /* This copies the MSB of the IPL, but it would be an error if it was set anyway. */
ins k1, k0, 18, 1
ins k1, zero, 1, 4
/* Prepare to enable interrupts above the current priority. */
srl k0, k0, 0xa
ins k1, k0, 10, 7
srl k0, k0, 0x7 /* This copies the MSB of the IPL, but it would be an error if it was set anyway. */
ins k1, k0, 18, 1
ins k1, zero, 1, 4
/* s5 is used as the frame pointer. */
add s5, zero, sp
/* s5 is used as the frame pointer. */
add s5, zero, sp
/* Check the nesting count value. */
la k0, uxInterruptNesting
lw s6, (k0)
/* Check the nesting count value. */
la k0, uxInterruptNesting
lw s6, ( k0 )
/* If the nesting count is 0 then swap to the the system stack, otherwise
the system stack is already being used. */
bne s6, zero, 1f
nop
/* If the nesting count is 0 then swap to the the system stack, otherwise
* the system stack is already being used. */
bne s6, zero, 1f
nop
/* Swap to the system stack. */
la sp, xISRStackTop
lw sp, (sp)
/* Swap to the system stack. */
la sp, xISRStackTop
lw sp, ( sp )
/* Increment and save the nesting count. */
1: addiu s6, s6, 1
sw s6, 0(k0)
/* Increment and save the nesting count. */
1 : addiu s6, s6, 1
sw s6, 0 ( k0 )
/* s6 holds the EPC value, this is saved after interrupts are re-enabled. */
mfc0 s6, _CP0_EPC
/* s6 holds the EPC value, this is saved after interrupts are re-enabled. */
mfc0 s6, _CP0_EPC
/* Re-enable interrupts. */
mtc0 k1, _CP0_STATUS
/* Re-enable interrupts. */
mtc0 k1, _CP0_STATUS
/* Save the context into the space just created. s6 is saved again
here as it now contains the EPC value. No other s registers need be
saved. */
sw ra, 120(s5)
sw s8, 116(s5)
sw t9, 112(s5)
sw t8, 108(s5)
sw t7, 104(s5)
sw t6, 100(s5)
sw t5, 96(s5)
sw t4, 92(s5)
sw t3, 88(s5)
sw t2, 84(s5)
sw t1, 80(s5)
sw t0, 76(s5)
sw a3, 72(s5)
sw a2, 68(s5)
sw a1, 64(s5)
sw a0, 60(s5)
sw v1, 56(s5)
sw v0, 52(s5)
sw s6, portEPC_STACK_LOCATION(s5)
sw $1, 16(s5)
/* Save the context into the space just created. s6 is saved again
* here as it now contains the EPC value. No other s registers need be
* saved. */
sw ra, 120 ( s5 )
sw s8, 116 ( s5 )
sw t9, 112 ( s5 )
sw t8, 108 ( s5 )
sw t7, 104 ( s5 )
sw t6, 100 ( s5 )
sw t5, 96 ( s5 )
sw t4, 92 ( s5 )
sw t3, 88 ( s5 )
sw t2, 84 ( s5 )
sw t1, 80 ( s5 )
sw t0, 76 ( s5 )
sw a3, 72 ( s5 )
sw a2, 68 ( s5 )
sw a1, 64 ( s5 )
sw a0, 60 ( s5 )
sw v1, 56 ( s5 )
sw v0, 52 ( s5 )
sw s6, portEPC_STACK_LOCATION( s5 )
sw $1, 16 ( s5 )
/* Save the AC0, AC1, AC2, AC3 registers from the DSP. s6 is used as a
scratch register. */
mfhi s6, $ac1
sw s6, 128(s5)
mflo s6, $ac1
sw s6, 124(s5)
/* Save the AC0, AC1, AC2, AC3 registers from the DSP. s6 is used as a
* scratch register. */
mfhi s6, $ac1
sw s6, 128 ( s5 )
mflo s6, $ac1
sw s6, 124 ( s5 )
mfhi s6, $ac2
sw s6, 136(s5)
mflo s6, $ac2
sw s6, 132(s5)
mfhi s6, $ac2
sw s6, 136 ( s5 )
mflo s6, $ac2
sw s6, 132 ( s5 )
mfhi s6, $ac3
sw s6, 144(s5)
mflo s6, $ac3
sw s6, 140(s5)
mfhi s6, $ac3
sw s6, 144 ( s5 )
mflo s6, $ac3
sw s6, 140 ( s5 )
/* Save the DSP Control register */
rddsp s6
sw s6, 148(s5)
/* Save the DSP Control register */
rddsp s6
sw s6, 148 ( s5 )
/* ac0 is done separately to match the MX port. */
mfhi s6, $ac0
sw s6, 12(s5)
mflo s6, $ac0
sw s6, 8(s5)
/* ac0 is done separately to match the MX port. */
mfhi s6, $ac0
sw s6, 12 ( s5 )
mflo s6, $ac0
sw s6, 8 ( s5 )
/* Save the FPU context if the nesting count was zero. */
#if ( __mips_hard_float == 1 ) && ( configUSE_TASK_FPU_SUPPORT == 1 )
la s6, uxInterruptNesting
lw s6, 0(s6)
addiu s6, s6, -1
bne s6, zero, 1f
nop
/* Save the FPU context if the nesting count was zero. */
#if ( __mips_hard_float == 1 ) && ( configUSE_TASK_FPU_SUPPORT == 1 )
la s6, uxInterruptNesting
lw s6, 0 ( s6 )
addiu s6, s6, -1
bne s6, zero, 1f
nop
/* Test if the current task needs the FPU context saving. */
lw s6, portTASK_HAS_FPU_STACK_LOCATION(s5)
beq s6, zero, 1f
nop
/* Test if the current task needs the FPU context saving. */
lw s6, portTASK_HAS_FPU_STACK_LOCATION( s5 )
beq s6, zero, 1f
nop
/* Save the FPU registers. */
portSAVE_FPU_REGS( portCONTEXT_SIZE + 8 ), s5
/* Save the FPU registers. */
portSAVE_FPU_REGS ( portCONTEXT_SIZE + 8 ), s5
/* Save the FPU status register */
cfc1 s6, $f31
sw s6, ( portCONTEXT_SIZE + portFPCSR_STACK_LOCATION )( s5 )
/* Save the FPU status register */
cfc1 s6, $f31
sw s6, (portCONTEXT_SIZE + portFPCSR_STACK_LOCATION)(s5)
1 :
#endif /* if ( __mips_hard_float == 1 ) && ( configUSE_TASK_FPU_SUPPORT == 1 ) */
1:
#endif
/* Update the task stack pointer value if nesting is zero. */
la s6, uxInterruptNesting
lw s6, ( s6 )
addiu s6, s6, -1
bne s6, zero, 1f
nop
/* Update the task stack pointer value if nesting is zero. */
la s6, uxInterruptNesting
lw s6, (s6)
addiu s6, s6, -1
bne s6, zero, 1f
nop
/* Save the stack pointer. */
la s6, uxSavedTaskStackPointer
sw s5, ( s6 )
1 :
.endm
/* Save the stack pointer. */
la s6, uxSavedTaskStackPointer
sw s5, (s6)
1:
.endm
/******************************************************************/
.macro portRESTORE_CONTEXT
.macro portRESTORE_CONTEXT
/* Restore the stack pointer from the TCB. This is only done if the
* nesting count is 1. */
la s6, uxInterruptNesting
lw s6, ( s6 )
addiu s6, s6, -1
bne s6, zero, 1f
nop
la s6, uxSavedTaskStackPointer
lw s5, ( s6 )
/* Restore the stack pointer from the TCB. This is only done if the
nesting count is 1. */
la s6, uxInterruptNesting
lw s6, (s6)
addiu s6, s6, -1
bne s6, zero, 1f
nop
la s6, uxSavedTaskStackPointer
lw s5, (s6)
#if ( __mips_hard_float == 1 ) && ( configUSE_TASK_FPU_SUPPORT == 1 )
/* Restore the FPU context if required. */
lw s6, portTASK_HAS_FPU_STACK_LOCATION( s5 )
beq s6, zero, 1f
nop
/* Restore the FPU registers. */
portLOAD_FPU_REGS( portCONTEXT_SIZE + 8 ), s5
#if ( __mips_hard_float == 1 ) && ( configUSE_TASK_FPU_SUPPORT == 1 )
/* Restore the FPU context if required. */
lw s6, portTASK_HAS_FPU_STACK_LOCATION(s5)
beq s6, zero, 1f
nop
/* Restore the FPU status register. */
lw s6, ( portCONTEXT_SIZE + portFPCSR_STACK_LOCATION )( s5 )
ctc1 s6, $f31
#endif /* if ( __mips_hard_float == 1 ) && ( configUSE_TASK_FPU_SUPPORT == 1 ) */
/* Restore the FPU registers. */
portLOAD_FPU_REGS ( portCONTEXT_SIZE + 8 ), s5
1 :
/* Restore the FPU status register. */
lw s6, ( portCONTEXT_SIZE + portFPCSR_STACK_LOCATION )(s5)
ctc1 s6, $f31
#endif
/* Restore the context. */
lw s6, 128 ( s5 )
mthi s6, $ac1
lw s6, 124 ( s5 )
mtlo s6, $ac1
1:
lw s6, 136 ( s5 )
mthi s6, $ac2
lw s6, 132 ( s5 )
mtlo s6, $ac2
/* Restore the context. */
lw s6, 128(s5)
mthi s6, $ac1
lw s6, 124(s5)
mtlo s6, $ac1
lw s6, 144 ( s5 )
mthi s6, $ac3
lw s6, 140 ( s5 )
mtlo s6, $ac3
lw s6, 136(s5)
mthi s6, $ac2
lw s6, 132(s5)
mtlo s6, $ac2
/* Restore DSPControl. */
lw s6, 148 ( s5 )
wrdsp s6
lw s6, 144(s5)
mthi s6, $ac3
lw s6, 140(s5)
mtlo s6, $ac3
lw s6, 8 ( s5 )
mtlo s6, $ac0
lw s6, 12 ( s5 )
mthi s6, $ac0
lw $1, 16 ( s5 )
/* Restore DSPControl. */
lw s6, 148(s5)
wrdsp s6
/* s6 is loaded as it was used as a scratch register and therefore saved
* as part of the interrupt context. */
lw s7, 48 ( s5 )
lw s6, 44 ( s5 )
lw v0, 52 ( s5 )
lw v1, 56 ( s5 )
lw a0, 60 ( s5 )
lw a1, 64 ( s5 )
lw a2, 68 ( s5 )
lw a3, 72 ( s5 )
lw t0, 76 ( s5 )
lw t1, 80 ( s5 )
lw t2, 84 ( s5 )
lw t3, 88 ( s5 )
lw t4, 92 ( s5 )
lw t5, 96 ( s5 )
lw t6, 100 ( s5 )
lw t7, 104 ( s5 )
lw t8, 108 ( s5 )
lw t9, 112 ( s5 )
lw s8, 116 ( s5 )
lw ra, 120 ( s5 )
lw s6, 8(s5)
mtlo s6, $ac0
lw s6, 12(s5)
mthi s6, $ac0
lw $1, 16(s5)
/* Protect access to the k registers, and others. */
di
ehb
/* s6 is loaded as it was used as a scratch register and therefore saved
as part of the interrupt context. */
lw s7, 48(s5)
lw s6, 44(s5)
lw v0, 52(s5)
lw v1, 56(s5)
lw a0, 60(s5)
lw a1, 64(s5)
lw a2, 68(s5)
lw a3, 72(s5)
lw t0, 76(s5)
lw t1, 80(s5)
lw t2, 84(s5)
lw t3, 88(s5)
lw t4, 92(s5)
lw t5, 96(s5)
lw t6, 100(s5)
lw t7, 104(s5)
lw t8, 108(s5)
lw t9, 112(s5)
lw s8, 116(s5)
lw ra, 120(s5)
/* Decrement the nesting count. */
la k0, uxInterruptNesting
lw k1, ( k0 )
addiu k1, k1, -1
sw k1, 0 ( k0 )
/* Protect access to the k registers, and others. */
di
ehb
#if ( __mips_hard_float == 1 ) && ( configUSE_TASK_FPU_SUPPORT == 1 )
/* If the nesting count is now zero then the FPU context may be restored. */
bne k1, zero, 1f
nop
/* Decrement the nesting count. */
la k0, uxInterruptNesting
lw k1, (k0)
addiu k1, k1, -1
sw k1, 0(k0)
/* Restore the value of ulTaskHasFPUContext */
la k0, ulTaskHasFPUContext
lw k1, 0 ( s5 )
sw k1, 0 ( k0 )
#if ( __mips_hard_float == 1 ) && ( configUSE_TASK_FPU_SUPPORT == 1 )
/* If the nesting count is now zero then the FPU context may be restored. */
bne k1, zero, 1f
nop
/* If the task does not have an FPU context then adjust the stack normally. */
beq k1, zero, 1f
nop
/* Restore the value of ulTaskHasFPUContext */
la k0, ulTaskHasFPUContext
lw k1, 0(s5)
sw k1, 0(k0)
/* Restore the STATUS and EPC registers */
lw k0, portSTATUS_STACK_LOCATION( s5 )
lw k1, portEPC_STACK_LOCATION( s5 )
/* If the task does not have an FPU context then adjust the stack normally. */
beq k1, zero, 1f
nop
/* Leave the stack in its original state. First load sp from s5, then
* restore s5 from the stack. */
add sp, zero, s5
lw s5, 40 ( sp )
/* Restore the STATUS and EPC registers */
lw k0, portSTATUS_STACK_LOCATION(s5)
lw k1, portEPC_STACK_LOCATION(s5)
/* Adjust the stack pointer to remove the FPU context */
addiu sp, sp, portFPU_CONTEXT_SIZE
beq zero, zero, 2f
nop
/* Leave the stack in its original state. First load sp from s5, then
restore s5 from the stack. */
add sp, zero, s5
lw s5, 40(sp)
1 : /* Restore the STATUS and EPC registers */
lw k0, portSTATUS_STACK_LOCATION( s5 )
lw k1, portEPC_STACK_LOCATION( s5 )
/* Adjust the stack pointer to remove the FPU context */
addiu sp, sp, portFPU_CONTEXT_SIZE
beq zero, zero, 2f
nop
/* Leave the stack in its original state. First load sp from s5, then
* restore s5 from the stack. */
add sp, zero, s5
lw s5, 40 ( sp )
1: /* Restore the STATUS and EPC registers */
lw k0, portSTATUS_STACK_LOCATION(s5)
lw k1, portEPC_STACK_LOCATION(s5)
2 : /* Adjust the stack pointer */
addiu sp, sp, portCONTEXT_SIZE
/* Leave the stack in its original state. First load sp from s5, then
restore s5 from the stack. */
add sp, zero, s5
lw s5, 40(sp)
#else /* if ( __mips_hard_float == 1 ) && ( configUSE_TASK_FPU_SUPPORT == 1 ) */
2: /* Adjust the stack pointer */
addiu sp, sp, portCONTEXT_SIZE
/* Restore the frame when there is no hardware FP support. */
lw k0, portSTATUS_STACK_LOCATION( s5 )
lw k1, portEPC_STACK_LOCATION( s5 )
#else
/* Leave the stack in its original state. First load sp from s5, then
* restore s5 from the stack. */
add sp, zero, s5
lw s5, 40 ( sp )
/* Restore the frame when there is no hardware FP support. */
lw k0, portSTATUS_STACK_LOCATION(s5)
lw k1, portEPC_STACK_LOCATION(s5)
addiu sp, sp, portCONTEXT_SIZE
/* Leave the stack in its original state. First load sp from s5, then
restore s5 from the stack. */
add sp, zero, s5
lw s5, 40(sp)
#endif // ( __mips_hard_float == 1 ) && ( configUSE_TASK_FPU_SUPPORT == 1 )
addiu sp, sp, portCONTEXT_SIZE
mtc0 k0, _CP0_STATUS
mtc0 k1, _CP0_EPC
ehb
eret
nop
#endif // ( __mips_hard_float == 1 ) && ( configUSE_TASK_FPU_SUPPORT == 1 )
mtc0 k0, _CP0_STATUS
mtc0 k1, _CP0_EPC
ehb
eret
nop
.endm
.endm

View file

@ -26,8 +26,8 @@
*/
/*-----------------------------------------------------------
* Implementation of functions defined in portable.h for the PIC32MZ port.
*----------------------------------------------------------*/
* Implementation of functions defined in portable.h for the PIC32MZ port.
*----------------------------------------------------------*/
/* Microchip specific headers. */
#include <xc.h>
@ -39,101 +39,99 @@
#include "FreeRTOS.h"
#include "task.h"
#if !defined( __PIC32MZ__ )
#if !defined(__PIC32MZ__)
#error This port is designed to work with XC32 on PIC32MZ MCUs. Please update your C compiler version or settings.
#endif
#if ( ( configMAX_SYSCALL_INTERRUPT_PRIORITY >= 0x7 ) || ( configMAX_SYSCALL_INTERRUPT_PRIORITY == 0 ) )
#error configMAX_SYSCALL_INTERRUPT_PRIORITY must be less than 7 and greater than 0
#if( ( configMAX_SYSCALL_INTERRUPT_PRIORITY >= 0x7 ) || ( configMAX_SYSCALL_INTERRUPT_PRIORITY == 0 ) )
#error configMAX_SYSCALL_INTERRUPT_PRIORITY must be less than 7 and greater than 0
#endif
/* Hardware specifics. */
#define portTIMER_PRESCALE 8
#define portPRESCALE_BITS 1
#define portTIMER_PRESCALE 8
#define portPRESCALE_BITS 1
/* Bits within various registers. */
#define portIE_BIT ( 0x00000001 )
#define portEXL_BIT ( 0x00000002 )
#define portMX_BIT ( 0x01000000 ) /* Allow access to DSP instructions. */
#define portCU1_BIT ( 0x20000000 ) /* enable CP1 for parts with hardware. */
#define portFR_BIT ( 0x04000000 ) /* Enable 64 bit floating point registers. */
#define portIE_BIT ( 0x00000001 )
#define portEXL_BIT ( 0x00000002 )
#define portMX_BIT ( 0x01000000 ) /* Allow access to DSP instructions. */
#define portCU1_BIT ( 0x20000000 ) /* enable CP1 for parts with hardware. */
#define portFR_BIT ( 0x04000000 ) /* Enable 64 bit floating point registers. */
/* Bits within the CAUSE register. */
#define portCORE_SW_0 ( 0x00000100 )
#define portCORE_SW_1 ( 0x00000200 )
#define portCORE_SW_0 ( 0x00000100 )
#define portCORE_SW_1 ( 0x00000200 )
/* The EXL bit is set to ensure interrupts do not occur while the context of
* the first task is being restored. */
the first task is being restored. */
#if ( __mips_hard_float == 1 )
#define portINITIAL_SR ( portIE_BIT | portEXL_BIT | portMX_BIT | portFR_BIT | portCU1_BIT )
#define portINITIAL_SR ( portIE_BIT | portEXL_BIT | portMX_BIT | portFR_BIT | portCU1_BIT )
#else
#define portINITIAL_SR ( portIE_BIT | portEXL_BIT | portMX_BIT )
#define portINITIAL_SR ( portIE_BIT | portEXL_BIT | portMX_BIT )
#endif
/* The initial value to store into the FPU status and control register. This is
* only used on parts that support a hardware FPU. */
#define portINITIAL_FPSCR ( 0x1000000 ) /* High perf on denormal ops */
only used on parts that support a hardware FPU. */
#define portINITIAL_FPSCR (0x1000000) /* High perf on denormal ops */
/*
* By default port.c generates its tick interrupt from TIMER1. The user can
* override this behaviour by:
* 1: Providing their own implementation of vApplicationSetupTickTimerInterrupt(),
* which is the function that configures the timer. The function is defined
* as a weak symbol in this file so if the same function name is used in the
* application code then the version in the application code will be linked
* into the application in preference to the version defined in this file.
* 2: Define configTICK_INTERRUPT_VECTOR to the vector number of the timer used
* to generate the tick interrupt. For example, when timer 1 is used then
* configTICK_INTERRUPT_VECTOR is set to _TIMER_1_VECTOR.
* configTICK_INTERRUPT_VECTOR should be defined in FreeRTOSConfig.h.
* 3: Define configCLEAR_TICK_TIMER_INTERRUPT() to clear the interrupt in the
* timer used to generate the tick interrupt. For example, when timer 1 is
* used configCLEAR_TICK_TIMER_INTERRUPT() is defined to
* IFS0CLR = _IFS0_T1IF_MASK.
*/
By default port.c generates its tick interrupt from TIMER1. The user can
override this behaviour by:
1: Providing their own implementation of vApplicationSetupTickTimerInterrupt(),
which is the function that configures the timer. The function is defined
as a weak symbol in this file so if the same function name is used in the
application code then the version in the application code will be linked
into the application in preference to the version defined in this file.
2: Define configTICK_INTERRUPT_VECTOR to the vector number of the timer used
to generate the tick interrupt. For example, when timer 1 is used then
configTICK_INTERRUPT_VECTOR is set to _TIMER_1_VECTOR.
configTICK_INTERRUPT_VECTOR should be defined in FreeRTOSConfig.h.
3: Define configCLEAR_TICK_TIMER_INTERRUPT() to clear the interrupt in the
timer used to generate the tick interrupt. For example, when timer 1 is
used configCLEAR_TICK_TIMER_INTERRUPT() is defined to
IFS0CLR = _IFS0_T1IF_MASK.
*/
#ifndef configTICK_INTERRUPT_VECTOR
#define configTICK_INTERRUPT_VECTOR _TIMER_1_VECTOR
#define configCLEAR_TICK_TIMER_INTERRUPT() IFS0CLR = _IFS0_T1IF_MASK
#define configTICK_INTERRUPT_VECTOR _TIMER_1_VECTOR
#define configCLEAR_TICK_TIMER_INTERRUPT() IFS0CLR = _IFS0_T1IF_MASK
#else
#ifndef configCLEAR_TICK_TIMER_INTERRUPT
#error If configTICK_INTERRUPT_VECTOR is defined in application code then configCLEAR_TICK_TIMER_INTERRUPT must also be defined in application code.
#endif
#ifndef configCLEAR_TICK_TIMER_INTERRUPT
#error If configTICK_INTERRUPT_VECTOR is defined in application code then configCLEAR_TICK_TIMER_INTERRUPT must also be defined in application code.
#endif
#endif
/* Let the user override the pre-loading of the initial RA with the address of
* prvTaskExitError() in case it messes up unwinding of the stack in the
* debugger - in which case configTASK_RETURN_ADDRESS can be defined as 0 (NULL). */
prvTaskExitError() in case it messes up unwinding of the stack in the
debugger - in which case configTASK_RETURN_ADDRESS can be defined as 0 (NULL). */
#ifdef configTASK_RETURN_ADDRESS
#define portTASK_RETURN_ADDRESS configTASK_RETURN_ADDRESS
#define portTASK_RETURN_ADDRESS configTASK_RETURN_ADDRESS
#else
#define portTASK_RETURN_ADDRESS prvTaskExitError
#define portTASK_RETURN_ADDRESS prvTaskExitError
#endif
/* Set configCHECK_FOR_STACK_OVERFLOW to 3 to add ISR stack checking to task
* stack checking. A problem in the ISR stack will trigger an assert, not call the
* stack overflow hook function (because the stack overflow hook is specific to a
* task stack, not the ISR stack). */
#if ( configCHECK_FOR_STACK_OVERFLOW > 2 )
stack checking. A problem in the ISR stack will trigger an assert, not call the
stack overflow hook function (because the stack overflow hook is specific to a
task stack, not the ISR stack). */
#if( configCHECK_FOR_STACK_OVERFLOW > 2 )
/* Don't use 0xa5 as the stack fill bytes as that is used by the kernerl for
* the task stacks, and so will legitimately appear in many positions within
* the ISR stack. */
#define portISR_STACK_FILL_BYTE 0xee
/* Don't use 0xa5 as the stack fill bytes as that is used by the kernerl for
the task stacks, and so will legitimately appear in many positions within
the ISR stack. */
#define portISR_STACK_FILL_BYTE 0xee
static const uint8_t ucExpectedStackBytes[] =
{
portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, \
portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, \
portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, \
portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, \
portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE
}; \
static const uint8_t ucExpectedStackBytes[] = {
portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, \
portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, \
portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, \
portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, \
portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE, portISR_STACK_FILL_BYTE }; \
#define portCHECK_ISR_STACK() configASSERT( ( memcmp( ( void * ) xISRStack, ( void * ) ucExpectedStackBytes, sizeof( ucExpectedStackBytes ) ) == 0 ) )
#else /* if ( configCHECK_FOR_STACK_OVERFLOW > 2 ) */
/* Define the function away. */
#define portCHECK_ISR_STACK()
#define portCHECK_ISR_STACK() configASSERT( ( memcmp( ( void * ) xISRStack, ( void * ) ucExpectedStackBytes, sizeof( ucExpectedStackBytes ) ) == 0 ) )
#else
/* Define the function away. */
#define portCHECK_ISR_STACK()
#endif /* configCHECK_FOR_STACK_OVERFLOW > 2 */
/*-----------------------------------------------------------*/
@ -146,25 +144,25 @@ static void prvTaskExitError( void );
/*-----------------------------------------------------------*/
/* Records the interrupt nesting depth. This is initialised to one as it is
* decremented to 0 when the first task starts. */
decremented to 0 when the first task starts. */
volatile UBaseType_t uxInterruptNesting = 0x01;
/* Stores the task stack pointer when a switch is made to use the system stack. */
UBaseType_t uxSavedTaskStackPointer = 0;
/* The stack used by interrupt service routines that cause a context switch. */
__attribute__( ( aligned( 8 ) ) ) StackType_t xISRStack[ configISR_STACK_SIZE ] = { 0 };
__attribute__ ((aligned(8))) StackType_t xISRStack[ configISR_STACK_SIZE ] = { 0 };
/* The top of stack value ensures there is enough space to store 6 registers on
* the callers stack, as some functions seem to want to do this. 8 byte alignment
* is required to allow double word floating point stack pushes generated by the
* compiler. */
the callers stack, as some functions seem to want to do this. 8 byte alignment
is required to allow double word floating point stack pushes generated by the
compiler. */
const StackType_t * const xISRStackTop = &( xISRStack[ ( configISR_STACK_SIZE & ~portBYTE_ALIGNMENT_MASK ) - 8 ] );
/* Saved as part of the task context. Set to pdFALSE if the task does not
* require an FPU context. */
require an FPU context. */
#if ( __mips_hard_float == 1 ) && ( configUSE_TASK_FPU_SUPPORT == 1 )
uint32_t ulTaskHasFPUContext = 0;
uint32_t ulTaskHasFPUContext = 0;
#endif
/*-----------------------------------------------------------*/
@ -172,58 +170,53 @@ const StackType_t * const xISRStackTop = &( xISRStack[ ( configISR_STACK_SIZE &
/*
* See header file for description.
*/
StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
TaskFunction_t pxCode,
void * pvParameters )
StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )
{
/* Ensure 8 byte alignment is maintained when leaving this function. */
pxTopOfStack--;
pxTopOfStack--;
/* Ensure 8 byte alignment is maintained when leaving this function. */
pxTopOfStack--;
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0xDEADBEEF;
pxTopOfStack--;
*pxTopOfStack = (StackType_t) 0xDEADBEEF;
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x12345678; /* Word to which the stack pointer will be left pointing after context restore. */
pxTopOfStack--;
*pxTopOfStack = (StackType_t) 0x12345678; /* Word to which the stack pointer will be left pointing after context restore. */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) _CP0_GET_CAUSE();
pxTopOfStack--;
*pxTopOfStack = (StackType_t) _CP0_GET_CAUSE();
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) portINITIAL_SR; /* CP0_STATUS */
pxTopOfStack--;
*pxTopOfStack = (StackType_t) portINITIAL_SR;/* CP0_STATUS */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) pxCode; /* CP0_EPC */
pxTopOfStack--;
*pxTopOfStack = (StackType_t) pxCode; /* CP0_EPC */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x00000000; /* DSPControl */
pxTopOfStack -= 7; /* Includes space for AC1 - AC3. */
*pxTopOfStack = (StackType_t) 0x00000000; /* DSPControl */
pxTopOfStack -= 7; /* Includes space for AC1 - AC3. */
*pxTopOfStack = ( StackType_t ) portTASK_RETURN_ADDRESS; /* ra */
pxTopOfStack -= 15;
*pxTopOfStack = (StackType_t) portTASK_RETURN_ADDRESS; /* ra */
pxTopOfStack -= 15;
*pxTopOfStack = ( StackType_t ) pvParameters; /* Parameters to pass in. */
pxTopOfStack -= 15;
*pxTopOfStack = (StackType_t) pvParameters; /* Parameters to pass in. */
pxTopOfStack -= 15;
*pxTopOfStack = ( StackType_t ) pdFALSE; /*by default disable FPU context save on parts with FPU */
*pxTopOfStack = (StackType_t) pdFALSE; /*by default disable FPU context save on parts with FPU */
return pxTopOfStack;
return pxTopOfStack;
}
/*-----------------------------------------------------------*/
static void prvTaskExitError( void )
{
/* A function that implements a task must not exit or attempt to return to
* its caller as there is nothing to return to. If a task wants to exit it
* should instead call vTaskDelete( NULL ).
*
* Artificially force an assert() to be triggered if configASSERT() is
* defined, then stop here so application writers can catch the error. */
configASSERT( uxSavedTaskStackPointer == 0UL );
portDISABLE_INTERRUPTS();
/* A function that implements a task must not exit or attempt to return to
its caller as there is nothing to return to. If a task wants to exit it
should instead call vTaskDelete( NULL ).
for( ; ; )
{
}
Artificially force an assert() to be triggered if configASSERT() is
defined, then stop here so application writers can catch the error. */
configASSERT( uxSavedTaskStackPointer == 0UL );
portDISABLE_INTERRUPTS();
for( ;; );
}
/*-----------------------------------------------------------*/
@ -236,141 +229,144 @@ static void prvTaskExitError( void )
* vector number. When Timer 1 is used the vector number is defined as
* _TIMER_1_VECTOR.
*/
__attribute__( ( weak ) ) void vApplicationSetupTickTimerInterrupt( void )
__attribute__(( weak )) void vApplicationSetupTickTimerInterrupt( void )
{
const uint32_t ulCompareMatch = ( ( configPERIPHERAL_CLOCK_HZ / portTIMER_PRESCALE ) / configTICK_RATE_HZ ) - 1UL;
const uint32_t ulCompareMatch = ( (configPERIPHERAL_CLOCK_HZ / portTIMER_PRESCALE) / configTICK_RATE_HZ ) - 1UL;
T1CON = 0x0000;
T1CONbits.TCKPS = portPRESCALE_BITS;
PR1 = ulCompareMatch;
IPC1bits.T1IP = configKERNEL_INTERRUPT_PRIORITY;
T1CON = 0x0000;
T1CONbits.TCKPS = portPRESCALE_BITS;
PR1 = ulCompareMatch;
IPC1bits.T1IP = configKERNEL_INTERRUPT_PRIORITY;
/* Clear the interrupt as a starting condition. */
IFS0bits.T1IF = 0;
/* Clear the interrupt as a starting condition. */
IFS0bits.T1IF = 0;
/* Enable the interrupt. */
IEC0bits.T1IE = 1;
/* Enable the interrupt. */
IEC0bits.T1IE = 1;
/* Start the timer. */
T1CONbits.TON = 1;
/* Start the timer. */
T1CONbits.TON = 1;
}
/*-----------------------------------------------------------*/
void vPortEndScheduler( void )
void vPortEndScheduler(void)
{
/* Not implemented in ports where there is nothing to return to.
* Artificially force an assert. */
configASSERT( uxInterruptNesting == 1000UL );
/* Not implemented in ports where there is nothing to return to.
Artificially force an assert. */
configASSERT( uxInterruptNesting == 1000UL );
}
/*-----------------------------------------------------------*/
BaseType_t xPortStartScheduler( void )
{
extern void vPortStartFirstTask( void );
extern void * pxCurrentTCB;
extern void vPortStartFirstTask( void );
extern void *pxCurrentTCB;
#if ( configCHECK_FOR_STACK_OVERFLOW > 2 )
{
/* Fill the ISR stack to make it easy to asses how much is being used. */
memset( ( void * ) xISRStack, portISR_STACK_FILL_BYTE, sizeof( xISRStack ) );
}
#endif /* configCHECK_FOR_STACK_OVERFLOW > 2 */
#if ( configCHECK_FOR_STACK_OVERFLOW > 2 )
{
/* Fill the ISR stack to make it easy to asses how much is being used. */
memset( ( void * ) xISRStack, portISR_STACK_FILL_BYTE, sizeof( xISRStack ) );
}
#endif /* configCHECK_FOR_STACK_OVERFLOW > 2 */
/* Clear the software interrupt flag. */
IFS0CLR = _IFS0_CS0IF_MASK;
/* Clear the software interrupt flag. */
IFS0CLR = _IFS0_CS0IF_MASK;
/* Set software timer priority. */
IPC0CLR = _IPC0_CS0IP_MASK;
IPC0SET = ( configKERNEL_INTERRUPT_PRIORITY << _IPC0_CS0IP_POSITION );
/* Set software timer priority. */
IPC0CLR = _IPC0_CS0IP_MASK;
IPC0SET = ( configKERNEL_INTERRUPT_PRIORITY << _IPC0_CS0IP_POSITION );
/* Enable software interrupt. */
IEC0CLR = _IEC0_CS0IE_MASK;
IEC0SET = 1 << _IEC0_CS0IE_POSITION;
/* Enable software interrupt. */
IEC0CLR = _IEC0_CS0IE_MASK;
IEC0SET = 1 << _IEC0_CS0IE_POSITION;
/* Setup the timer to generate the tick. Interrupts will have been
* disabled by the time we get here. */
vApplicationSetupTickTimerInterrupt();
/* Setup the timer to generate the tick. Interrupts will have been
disabled by the time we get here. */
vApplicationSetupTickTimerInterrupt();
/* Kick off the highest priority task that has been created so far.
* Its stack location is loaded into uxSavedTaskStackPointer. */
uxSavedTaskStackPointer = *( UBaseType_t * ) pxCurrentTCB;
vPortStartFirstTask();
/* Kick off the highest priority task that has been created so far.
Its stack location is loaded into uxSavedTaskStackPointer. */
uxSavedTaskStackPointer = *( UBaseType_t * ) pxCurrentTCB;
vPortStartFirstTask();
/* Should never get here as the tasks will now be executing! Call the task
* exit error function to prevent compiler warnings about a static function
* not being called in the case that the application writer overrides this
* functionality by defining configTASK_RETURN_ADDRESS. */
prvTaskExitError();
/* Should never get here as the tasks will now be executing! Call the task
exit error function to prevent compiler warnings about a static function
not being called in the case that the application writer overrides this
functionality by defining configTASK_RETURN_ADDRESS. */
prvTaskExitError();
return pdFALSE;
return pdFALSE;
}
/*-----------------------------------------------------------*/
void vPortIncrementTick( void )
{
UBaseType_t uxSavedStatus;
UBaseType_t uxSavedStatus;
uxSavedStatus = uxPortSetInterruptMaskFromISR();
{
if( xTaskIncrementTick() != pdFALSE )
{
/* Pend a context switch. */
_CP0_BIS_CAUSE( portCORE_SW_0 );
}
}
vPortClearInterruptMaskFromISR( uxSavedStatus );
uxSavedStatus = uxPortSetInterruptMaskFromISR();
{
if( xTaskIncrementTick() != pdFALSE )
{
/* Pend a context switch. */
_CP0_BIS_CAUSE( portCORE_SW_0 );
}
}
vPortClearInterruptMaskFromISR( uxSavedStatus );
/* Look for the ISR stack getting near or past its limit. */
portCHECK_ISR_STACK();
/* Look for the ISR stack getting near or past its limit. */
portCHECK_ISR_STACK();
/* Clear timer interrupt. */
configCLEAR_TICK_TIMER_INTERRUPT();
/* Clear timer interrupt. */
configCLEAR_TICK_TIMER_INTERRUPT();
}
/*-----------------------------------------------------------*/
UBaseType_t uxPortSetInterruptMaskFromISR( void )
{
UBaseType_t uxSavedStatusRegister;
UBaseType_t uxSavedStatusRegister;
__builtin_disable_interrupts();
uxSavedStatusRegister = _CP0_GET_STATUS() | 0x01;
__builtin_disable_interrupts();
uxSavedStatusRegister = _CP0_GET_STATUS() | 0x01;
/* This clears the IPL bits, then sets them to
configMAX_SYSCALL_INTERRUPT_PRIORITY. This function should not be called
from an interrupt that has a priority above
configMAX_SYSCALL_INTERRUPT_PRIORITY so, when used correctly, the action
can only result in the IPL being unchanged or raised, and therefore never
lowered. */
_CP0_SET_STATUS( ( ( uxSavedStatusRegister & ( ~portALL_IPL_BITS ) ) ) | ( configMAX_SYSCALL_INTERRUPT_PRIORITY << portIPL_SHIFT ) );
/* This clears the IPL bits, then sets them to
* configMAX_SYSCALL_INTERRUPT_PRIORITY. This function should not be called
* from an interrupt that has a priority above
* configMAX_SYSCALL_INTERRUPT_PRIORITY so, when used correctly, the action
* can only result in the IPL being unchanged or raised, and therefore never
* lowered. */
_CP0_SET_STATUS( ( ( uxSavedStatusRegister & ( ~portALL_IPL_BITS ) ) ) | ( configMAX_SYSCALL_INTERRUPT_PRIORITY << portIPL_SHIFT ) );
return uxSavedStatusRegister;
return uxSavedStatusRegister;
}
/*-----------------------------------------------------------*/
void vPortClearInterruptMaskFromISR( UBaseType_t uxSavedStatusRegister )
{
_CP0_SET_STATUS( uxSavedStatusRegister );
_CP0_SET_STATUS( uxSavedStatusRegister );
}
/*-----------------------------------------------------------*/
#if ( __mips_hard_float == 1 ) && ( configUSE_TASK_FPU_SUPPORT == 1 )
void vPortTaskUsesFPU( void )
{
extern void vPortInitialiseFPSCR( uint32_t uxFPSCRInit );
void vPortTaskUsesFPU(void)
{
extern void vPortInitialiseFPSCR( uint32_t uxFPSCRInit );
portENTER_CRITICAL();
portENTER_CRITICAL();
/* Initialise the floating point status register. */
vPortInitialiseFPSCR( portINITIAL_FPSCR );
/* Initialise the floating point status register. */
vPortInitialiseFPSCR(portINITIAL_FPSCR);
/* A task is registering the fact that it needs a FPU context. Set the
* FPU flag (saved as part of the task context). */
ulTaskHasFPUContext = pdTRUE;
/* A task is registering the fact that it needs a FPU context. Set the
FPU flag (saved as part of the task context). */
ulTaskHasFPUContext = pdTRUE;
portEXIT_CRITICAL();
}
portEXIT_CRITICAL();
}
#endif /* __mips_hard_float == 1 */
/*-----------------------------------------------------------*/

View file

@ -26,14 +26,14 @@
*/
#ifndef PORTMACRO_H
#define PORTMACRO_H
#define PORTMACRO_H
/* System include files */
#include <xc.h>
#include <xc.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifdef __cplusplus
extern "C" {
#endif
/*-----------------------------------------------------------
* Port specific definitions.
@ -46,171 +46,170 @@
*/
/* Type definitions. */
#define portCHAR char
#define portFLOAT float
#define portDOUBLE double
#define portLONG long
#define portSHORT short
#define portSTACK_TYPE uint32_t
#define portBASE_TYPE long
#define portCHAR char
#define portFLOAT float
#define portDOUBLE double
#define portLONG long
#define portSHORT short
#define portSTACK_TYPE uint32_t
#define portBASE_TYPE long
typedef portSTACK_TYPE StackType_t;
typedef long BaseType_t;
typedef unsigned long UBaseType_t;
typedef portSTACK_TYPE StackType_t;
typedef long BaseType_t;
typedef unsigned long UBaseType_t;
#if ( configUSE_16_BIT_TICKS == 1 )
typedef uint16_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffff
#else
typedef uint32_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
#if( configUSE_16_BIT_TICKS == 1 )
typedef uint16_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffff
#else
typedef uint32_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
/* 32-bit tick type on a 32-bit architecture, so reads of the tick count do
* not need to be guarded with a critical section. */
#define portTICK_TYPE_IS_ATOMIC 1
#endif
/* 32-bit tick type on a 32-bit architecture, so reads of the tick count do
not need to be guarded with a critical section. */
#define portTICK_TYPE_IS_ATOMIC 1
#endif
/*-----------------------------------------------------------*/
/* Hardware specifics. */
#define portBYTE_ALIGNMENT 8
#define portSTACK_GROWTH -1
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
#define portBYTE_ALIGNMENT 8
#define portSTACK_GROWTH -1
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
/*-----------------------------------------------------------*/
/* Critical section management. */
#define portIPL_SHIFT ( 10UL )
#define portIPL_SHIFT ( 10UL )
/* Don't straddle the CEE bit. Interrupts calling FreeRTOS functions should
* never have higher IPL bits set anyway. */
#define portALL_IPL_BITS ( 0x7FUL << portIPL_SHIFT )
#define portSW0_BIT ( 0x01 << 8 )
never have higher IPL bits set anyway. */
#define portALL_IPL_BITS ( 0x7FUL << portIPL_SHIFT )
#define portSW0_BIT ( 0x01 << 8 )
/* This clears the IPL bits, then sets them to
* configMAX_SYSCALL_INTERRUPT_PRIORITY. An extra check is performed if
* configASSERT() is defined to ensure an assertion handler does not inadvertently
* attempt to lower the IPL when the call to assert was triggered because the IPL
* value was found to be above configMAX_SYSCALL_INTERRUPT_PRIORITY when an ISR
* safe FreeRTOS API function was executed. ISR safe FreeRTOS API functions are
* those that end in FromISR. FreeRTOS maintains a separate interrupt API to
* ensure API function and interrupt entry is as fast and as simple as possible. */
#ifdef configASSERT
#define portDISABLE_INTERRUPTS() \
{ \
uint32_t ulStatus; \
\
/* Mask interrupts at and below the kernel interrupt priority. */ \
ulStatus = _CP0_GET_STATUS(); \
\
/* Is the current IPL below configMAX_SYSCALL_INTERRUPT_PRIORITY? */ \
if( ( ( ulStatus & portALL_IPL_BITS ) >> portIPL_SHIFT ) < configMAX_SYSCALL_INTERRUPT_PRIORITY ) \
{ \
ulStatus &= ~portALL_IPL_BITS; \
_CP0_SET_STATUS( ( ulStatus | ( configMAX_SYSCALL_INTERRUPT_PRIORITY << portIPL_SHIFT ) ) ); \
} \
}
#else /* configASSERT */
#define portDISABLE_INTERRUPTS() \
{ \
uint32_t ulStatus; \
\
/* Mask interrupts at and below the kernel interrupt priority. */ \
ulStatus = _CP0_GET_STATUS(); \
ulStatus &= ~portALL_IPL_BITS; \
_CP0_SET_STATUS( ( ulStatus | ( configMAX_SYSCALL_INTERRUPT_PRIORITY << portIPL_SHIFT ) ) ); \
}
#endif /* configASSERT */
configMAX_SYSCALL_INTERRUPT_PRIORITY. An extra check is performed if
configASSERT() is defined to ensure an assertion handler does not inadvertently
attempt to lower the IPL when the call to assert was triggered because the IPL
value was found to be above configMAX_SYSCALL_INTERRUPT_PRIORITY when an ISR
safe FreeRTOS API function was executed. ISR safe FreeRTOS API functions are
those that end in FromISR. FreeRTOS maintains a separate interrupt API to
ensure API function and interrupt entry is as fast and as simple as possible. */
#ifdef configASSERT
#define portDISABLE_INTERRUPTS() \
{ \
uint32_t ulStatus; \
\
/* Mask interrupts at and below the kernel interrupt priority. */ \
ulStatus = _CP0_GET_STATUS(); \
\
/* Is the current IPL below configMAX_SYSCALL_INTERRUPT_PRIORITY? */ \
if( ( ( ulStatus & portALL_IPL_BITS ) >> portIPL_SHIFT ) < configMAX_SYSCALL_INTERRUPT_PRIORITY ) \
{ \
ulStatus &= ~portALL_IPL_BITS; \
_CP0_SET_STATUS( ( ulStatus | ( configMAX_SYSCALL_INTERRUPT_PRIORITY << portIPL_SHIFT ) ) ); \
} \
}
#else /* configASSERT */
#define portDISABLE_INTERRUPTS() \
{ \
uint32_t ulStatus; \
\
/* Mask interrupts at and below the kernel interrupt priority. */ \
ulStatus = _CP0_GET_STATUS(); \
ulStatus &= ~portALL_IPL_BITS; \
_CP0_SET_STATUS( ( ulStatus | ( configMAX_SYSCALL_INTERRUPT_PRIORITY << portIPL_SHIFT ) ) ); \
}
#endif /* configASSERT */
#define portENABLE_INTERRUPTS() \
{ \
uint32_t ulStatus; \
\
/* Unmask all interrupts. */ \
ulStatus = _CP0_GET_STATUS(); \
ulStatus &= ~portALL_IPL_BITS; \
_CP0_SET_STATUS( ulStatus ); \
}
#define portENABLE_INTERRUPTS() \
{ \
uint32_t ulStatus; \
\
/* Unmask all interrupts. */ \
ulStatus = _CP0_GET_STATUS(); \
ulStatus &= ~portALL_IPL_BITS; \
_CP0_SET_STATUS( ulStatus ); \
}
extern void vTaskEnterCritical( void );
extern void vTaskExitCritical( void );
#define portCRITICAL_NESTING_IN_TCB 1
#define portENTER_CRITICAL() vTaskEnterCritical()
#define portEXIT_CRITICAL() vTaskExitCritical()
extern void vTaskEnterCritical( void );
extern void vTaskExitCritical( void );
#define portCRITICAL_NESTING_IN_TCB 1
#define portENTER_CRITICAL() vTaskEnterCritical()
#define portEXIT_CRITICAL() vTaskExitCritical()
extern UBaseType_t uxPortSetInterruptMaskFromISR();
extern void vPortClearInterruptMaskFromISR( UBaseType_t );
#define portSET_INTERRUPT_MASK_FROM_ISR() uxPortSetInterruptMaskFromISR()
#define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedStatusRegister ) vPortClearInterruptMaskFromISR( uxSavedStatusRegister )
extern UBaseType_t uxPortSetInterruptMaskFromISR();
extern void vPortClearInterruptMaskFromISR( UBaseType_t );
#define portSET_INTERRUPT_MASK_FROM_ISR() uxPortSetInterruptMaskFromISR()
#define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedStatusRegister ) vPortClearInterruptMaskFromISR( uxSavedStatusRegister )
#if ( __mips_hard_float == 0 ) && ( configUSE_TASK_FPU_SUPPORT == 1 )
#error configUSE_TASK_FPU_SUPPORT can only be set to 1 when the part supports a hardware FPU module.
#endif
#if ( __mips_hard_float == 0 ) && ( configUSE_TASK_FPU_SUPPORT == 1 )
#error configUSE_TASK_FPU_SUPPORT can only be set to 1 when the part supports a hardware FPU module.
#endif
#if ( __mips_hard_float == 1 ) && ( configUSE_TASK_FPU_SUPPORT == 1 )
void vPortTaskUsesFPU( void );
#define portTASK_USES_FLOATING_POINT() vPortTaskUsesFPU()
#endif
#if ( __mips_hard_float == 1 ) && ( configUSE_TASK_FPU_SUPPORT == 1 )
void vPortTaskUsesFPU( void );
#define portTASK_USES_FLOATING_POINT() vPortTaskUsesFPU()
#endif
#ifndef configUSE_PORT_OPTIMISED_TASK_SELECTION
#define configUSE_PORT_OPTIMISED_TASK_SELECTION 1
#endif
#ifndef configUSE_PORT_OPTIMISED_TASK_SELECTION
#define configUSE_PORT_OPTIMISED_TASK_SELECTION 1
#endif
#if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1
#if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1
/* Check the configuration. */
#if ( configMAX_PRIORITIES > 32 )
#error configUSE_PORT_OPTIMISED_TASK_SELECTION can only be set to 1 when configMAX_PRIORITIES is less than or equal to 32. It is very rare that a system requires more than 10 to 15 difference priorities as tasks that share a priority will time slice.
#endif
/* Check the configuration. */
#if( configMAX_PRIORITIES > 32 )
#error configUSE_PORT_OPTIMISED_TASK_SELECTION can only be set to 1 when configMAX_PRIORITIES is less than or equal to 32. It is very rare that a system requires more than 10 to 15 difference priorities as tasks that share a priority will time slice.
#endif
/* Store/clear the ready priorities in a bit map. */
#define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) )
#define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) )
/* Store/clear the ready priorities in a bit map. */
#define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) )
#define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) )
/*-----------------------------------------------------------*/
/*-----------------------------------------------------------*/
#define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31UL - _clz( ( uxReadyPriorities ) ) )
#define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31UL - _clz( ( uxReadyPriorities ) ) )
#endif /* taskRECORD_READY_PRIORITY */
#endif /* taskRECORD_READY_PRIORITY */
/*-----------------------------------------------------------*/
/* Task utilities. */
#define portYIELD() \
{ \
uint32_t ulCause; \
\
/* Trigger software interrupt. */ \
ulCause = _CP0_GET_CAUSE(); \
ulCause |= portSW0_BIT; \
_CP0_SET_CAUSE( ulCause ); \
}
#define portYIELD() \
{ \
uint32_t ulCause; \
\
/* Trigger software interrupt. */ \
ulCause = _CP0_GET_CAUSE(); \
ulCause |= portSW0_BIT; \
_CP0_SET_CAUSE( ulCause ); \
}
extern volatile UBaseType_t uxInterruptNesting;
#define portASSERT_IF_IN_ISR() configASSERT( uxInterruptNesting == 0 )
extern volatile UBaseType_t uxInterruptNesting;
#define portASSERT_IF_IN_ISR() configASSERT( uxInterruptNesting == 0 )
#define portNOP() __asm volatile ( "nop" )
#define portNOP() __asm volatile ( "nop" )
/*-----------------------------------------------------------*/
/* Task function macros as described on the FreeRTOS.org WEB site. */
#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters ) __attribute__( ( noreturn ) )
#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters ) __attribute__((noreturn))
#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
/*-----------------------------------------------------------*/
#define portEND_SWITCHING_ISR( xSwitchRequired ) \
if( xSwitchRequired ) \
{ \
portYIELD(); \
}
#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) \
{ \
portYIELD(); \
}
/* Required by the kernel aware debugger. */
#ifdef __DEBUG
#define portREMOVE_STATIC_QUALIFIER
#endif
#ifdef __DEBUG
#define portREMOVE_STATIC_QUALIFIER
#endif
#ifdef __cplusplus
}
#endif
#ifdef __cplusplus
}
#endif
#endif /* PORTMACRO_H */