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Kernel Liteos M

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未验证 提交 a6832368 编写于 作者: O openharmony_ci 提交者： Gitee
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!587 fix: cortex-m55栈优化 

Merge pull request !587 from Harylee/m55
上级 d1d41225 59e9c6ed
隐藏空白更改
内联 并排
Showing with 82 addition and 92 deletion
arch/arm/cortex-m55/gcc/NTZ/los_arch_context.h
浏览文件 @ a6832368
......@@ -41,6 +41,16 @@ extern "C" {
#endif /* __cplusplus */
typedef struct TagTskContext {
UINT32 uwEXCLR;
UINT32 uwR4;
UINT32 uwR5;
UINT32 uwR6;
UINT32 uwR7;
UINT32 uwR8;
UINT32 uwR9;
UINT32 uwR10;
UINT32 uwR11;
UINT32 uwPriMask;
#if ((defined(__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
(defined(__FPU_USED) && (__FPU_USED == 1U)))
UINT32 S16;
......@@ -60,15 +70,6 @@ typedef struct TagTskContext {
UINT32 S30;
UINT32 S31;
#endif
UINT32 uwR4;
UINT32 uwR5;
UINT32 uwR6;
UINT32 uwR7;
UINT32 uwR8;
UINT32 uwR9;
UINT32 uwR10;
UINT32 uwR11;
UINT32 uwPriMask;
UINT32 uwR0;
UINT32 uwR1;
UINT32 uwR2;
......
arch/arm/cortex-m55/gcc/NTZ/los_context.c
浏览文件 @ a6832368
......@@ -112,8 +112,10 @@ LITE_OS_SEC_TEXT_INIT VOID *ArchTskStackInit(UINT32 taskID, UINT32 stackSize, VO
context->S15 = 0xAA00000F;
context->FPSCR = 0x00000000;
context->NO_NAME = 0xAA000011;
context->uwEXCLR = 0xFFFFFFEDL;
#else
context->uwEXCLR = 0xFFFFFFFDL;
#endif
context->uwR4 = 0x04040404L;
context->uwR5 = 0x05050505L;
context->uwR6 = 0x06060606L;
......
arch/arm/cortex-m55/gcc/NTZ/los_dispatch.S
浏览文件 @ a6832368
......@@ -33,13 +33,10 @@
.fpu vfpv3-d16-fp16
.thumb
.equ OS_FPU_CPACR, 0xE000ED88
.equ OS_FPU_CPACR_ENABLE, 0x00F00000
.equ OS_NVIC_INT_CTRL, 0xE000ED04
.equ OS_NVIC_SYSPRI3, 0xE000ED20
.equ OS_NVIC_PENDSV_PRI, 0xF0F00000
.equ OS_NVIC_PENDSVSET, 0x10000000
.equ OS_TASK_STATUS_RUNNING, 0x0010
.section .text
.thumb
......@@ -70,13 +67,12 @@ HalStartToRun:
ldr r0, [r1, #4]
ldr r12, [r0]
ldr.w r1, =OS_FPU_CPACR
ldr r1, [r1]
and r1, r1, #OS_FPU_CPACR_ENABLE
cmp r1, #OS_FPU_CPACR_ENABLE
ldr r2, [r12]
tst r2, #0x10
it ne
bne __DisabledFPU
add r12, r12, #100
add r12, r12, #104
ldmfd r12!, {r0-r7}
add r12, r12, #72
msr psp, r12
......@@ -88,7 +84,7 @@ HalStartToRun:
bx r6
__DisabledFPU:
add r12, r12, #36
add r12, r12, #40
ldmfd r12!, {r0-r7}
msr psp, r12
......@@ -165,38 +161,29 @@ HalTaskSwitch:
bx lr
TaskContextSwitch:
mov lr, r0
mrs r0, psp
stmfd r0!, {r4-r12}
ldr.w r3, =OS_FPU_CPACR
ldr r3, [r3]
and r3, r3, #OS_FPU_CPACR_ENABLE
cmp r3, #OS_FPU_CPACR_ENABLE
bne __DisabledFPU1
vstmdb r0!, {d8-d15}
__DisabledFPU1:
ldr r5, =g_losTask
ldr r6, [r5]
str r0, [r6]
ldr r0, [r5, #4]
str r0, [r5]
ldr r1, [r0]
mov lr, r0
mrs r0, psp
tst lr, #0x10
it eq
vstmdbeq r0!, {d8-d15}
mov r3, lr
stmfd r0!, {r3-r12}
ldr r5, =g_losTask
ldr r6, [r5]
str r0, [r6]
ldr r0, [r5, #4]
str r0, [r5]
ldr r1, [r0]
SignalContextRestore:
ldr.w r3, =OS_FPU_CPACR
ldr r3, [r3]
and r3, r3, #OS_FPU_CPACR_ENABLE
cmp r3, #OS_FPU_CPACR_ENABLE
bne __DisabledFPU2
VLDMIA r1!, {d8-d15}
__DisabledFPU2:
ldmfd r1!, {r4-r12}
msr psp, r1
msr PRIMASK, r12
bx lr
ldmfd r1!, {r3-r12}
tst r3, #0x10
it eq
vldmiaeq r1!, {d8-d15}
msr psp, r1
msr PRIMASK, r12
bx lr
.fnend
arch/arm/cortex-m55/gcc/NTZ/los_exc.S
浏览文件 @ a6832368
......@@ -56,13 +56,13 @@
.equ FLAG_HWI_ACTIVE, 0x20000
.equ FLAG_NO_FLOAT, 0x10000000
.equ OS_NVIC_FSR , 0xE000ED28 //include BusFault/MemFault/UsageFault State Register
.equ OS_NVIC_HFSR , 0xE000ED2C //HardFault State Register
.equ OS_NVIC_BFAR , 0xE000ED38
.equ OS_NVIC_MMAR , 0xE000ED34
.equ OS_NVIC_ACT_BASE , 0xE000E300
.equ OS_NVIC_SHCSRS , 0xE000ED24
.equ OS_NVIC_SHCSR_MASK , 0xC00
.equ OS_NVIC_FSR, 0xE000ED28 //include BusFault/MemFault/UsageFault State Register
.equ OS_NVIC_HFSR, 0xE000ED2C //HardFault State Register
.equ OS_NVIC_BFAR, 0xE000ED38
.equ OS_NVIC_MMAR, 0xE000ED34
.equ OS_NVIC_ACT_BASE, 0xE000E300
.equ OS_NVIC_SHCSRS, 0xE000ED24
.equ OS_NVIC_SHCSR_MASK, 0xC00
.type HalExcNMI, %function
.global HalExcNMI
......@@ -71,7 +71,7 @@ HalExcNMI:
.cantunwind
MOV R0, #OS_EXC_CAUSE_NMI
MOV R1, #0
B osExcDispatch
B osExcDispatch
.fnend
.type HalExcHardFault, %function
......@@ -88,7 +88,7 @@ HalExcHardFault:
TST R2, #0x80000000
BNE osExcDispatch // DEBUGEVT
AND R0, R0 , #0x000000FF
AND R0, R0, #0x000000FF
MOV R1, #HF_VECTBL
ORR R0, R0, R1, LSL #0x8
TST R2, #0x00000002
......@@ -106,7 +106,7 @@ HalExcHardFault:
TST R2, #0x80 // MMARVALID
BNE _HFMemFault // MemFault
MOV R12,#0
MOV R12, #0
B osHFExcCommonBMU
.fnend
......@@ -141,7 +141,7 @@ osHFExcCommonBMU:
ADD R3, R3, R2
LDRB R2, [R3]
ORR R0, R0, R2, LSL #0x8
ORR R0, R0 ,R12
ORR R0, R0, R12
B osExcDispatch
.fnend
......@@ -183,7 +183,7 @@ HalExcBusFault:
_ExcBusNoADDR:
.fnstart
.cantunwind
MOV R12,#0
MOV R12, #0
B osExcCommonBMU
.fnend
......@@ -210,7 +210,7 @@ HalExcMemFault:
_ExcMemNoADDR:
.fnstart
.cantunwind
MOV R12,#0
MOV R12, #0
B osExcCommonBMU
.fnend
......@@ -222,7 +222,7 @@ HalExcUsageFault:
LDR R0, =OS_NVIC_FSR
LDR R0, [R0]
MOVW R1, #0x030F
MOVW R1, #0x030F
LSL R1, R1, #16
AND R0, R0, R1
MOV R12, #0
......@@ -248,7 +248,7 @@ osExcDispatch:
.fnstart
.cantunwind
LDR R2, =OS_NVIC_ACT_BASE
MOV R12, #8 // R12 is hwi check loop counter
MOV R12, #16 // R12 is hwi check loop counter
.fnend
.type _hwiActiveCheck, %function
......@@ -277,8 +277,8 @@ _ExcInMSP:
BNE _NoFloatInMsp
ADD R3, R13, #104
PUSH {R3}
MRS R12, PRIMASK // store message-->exc: disable int?
PUSH {R4-R12} // store message-->exc: {R4-R12}
MRS R12, PRIMASK // store message-->exc: disable int?
PUSH {R4-R12} // store message-->exc: {R4-R12}
VPUSH {D8-D15}
B _handleEntry
.fnend
......@@ -291,8 +291,8 @@ _NoFloatInMsp:
ADD R3, R13, #32
PUSH {R3} // save IRQ SP // store message-->exc: MSP(R13)
MRS R12, PRIMASK // store message-->exc: disable int?
PUSH {R4-R12} // store message-->exc: {R4-R12}
MRS R12, PRIMASK // store message-->exc: disable int?
PUSH {R4-R12} // store message-->exc: {R4-R12}
ORR R0, R0, #FLAG_NO_FLOAT
B _handleEntry
.fnend
......@@ -308,42 +308,42 @@ _hwiActiveCheckNext:
/*NMI interrupt excption*/
LDR R2, =OS_NVIC_SHCSRS
LDRH R2,[R2]
LDR R3,=OS_NVIC_SHCSR_MASK
AND R2, R2,R3
CMP R2,#0
LDRH R2, [R2]
LDR R3, =OS_NVIC_SHCSR_MASK
AND R2, R2, R3
CMP R2, #0
BNE _ExcInMSP
// exc occured in Task or Init or exc
// reserved for register info from task stack
LDR R2, =g_taskScheduled
LDR R2, [R2]
TST R2, #1 // OS_FLG_BGD_ACTIVE
BEQ _ExcInMSP // if exc occured in Init then branch
LDR R2, =g_taskScheduled
LDR R2, [R2]
TST R2, #1 // OS_FLG_BGD_ACTIVE
BEQ _ExcInMSP // if exc occured in Init then branch
CMP LR, #0xFFFFFFED //auto push floating registers
CMP LR, #0xFFFFFFED //auto push floating registers
BNE _NoFloatInPsp
// exc occured in Task
MOV R2, R13
SUB R13, #96 // add 8 Bytes reg(for STMFD)
MOV R2, R13
SUB R13, #96 // add 8 Bytes reg(for STMFD)
MRS R3, PSP
MRS R3, PSP
ADD R12, R3, #104
PUSH {R12} // save task SP
PUSH {R12} // save task SP
MRS R12, PRIMASK
PUSH {R4-R12}
PUSH {R4-R12}
VPUSH {D8-D15}
// copy auto saved task register
LDMFD R3!, {R4-R11} // R4-R11 store PSP reg(auto push when exc in task)
LDMFD R3!, {R4-R11} // R4-R11 store PSP reg(auto push when exc in task)
VLDMIA R3!, {D8-D15}
VSTMDB R2!, {D8-D15}
STMFD R2!, {R4-R11}
B _handleEntry
STMFD R2!, {R4-R11}
B _handleEntry
.fnend
.type _NoFloatInPsp, %function
......@@ -351,15 +351,15 @@ _hwiActiveCheckNext:
_NoFloatInPsp:
.fnstart
.cantunwind
MOV R2, R13 // no auto push floating registers
MOV R2, R13 // no auto push floating registers
SUB R13, #32 // add 8 Bytes reg(for STMFD)
MRS R3, PSP
MRS R3, PSP
ADD R12, R3, #32
PUSH {R12} // save task SP
MRS R12, PRIMASK
PUSH {R4-R12}
PUSH {R4-R12}
LDMFD R3, {R4-R11} // R4-R11 store PSP reg(auto push when exc in task)
STMFD R2!, {R4-R11}
......@@ -371,10 +371,10 @@ _NoFloatInPsp:
_handleEntry:
.fnstart
.cantunwind
MOV R3, R13 // R13:the 4th param
MOV R3, R13 // R13:the 4th param
CPSID I
CPSID F
B HalExcHandleEntry
B HalExcHandleEntry
NOP
.fnend
......
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