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CMSIS Core Register Access Functions

CMSIS Core Register Access Functions

Functions

__STATIC_INLINE uint32_t __get_APSR (void)
 Get APSR Register.
__STATIC_INLINE uint32_t __get_CPSR (void)
 Get CPSR Register.
register uint32_t __regSP __ASM ("sp")
 Set Stack Pointer.
register uint32_t __reglr __ASM ("lr")
 Get link register.
__STATIC_INLINE void __set_LR (uint32_t lr)
 Set link register.
__STATIC_ASM void __set_PSP (uint32_t topOfProcStack)
 Set Process Stack Pointer.
__STATIC_ASM void __set_CPS_USR (void)
 Set User Mode.
__STATIC_INLINE uint32_t __get_FPSCR (void)
 Get FPSCR.
__STATIC_INLINE void __set_FPSCR (uint32_t fpscr)
 Set FPSCR.
__STATIC_INLINE uint32_t __get_FPEXC (void)
 Get FPEXC.
__STATIC_INLINE void __set_FPEXC (uint32_t fpexc)
 Set FPEXC.
__STATIC_INLINE uint32_t __get_CPACR (void)
 Get CPACR.
__STATIC_INLINE void __set_CPACR (uint32_t cpacr)
 Set CPACR.
__STATIC_INLINE uint32_t __get_CBAR ()
 Get CBAR.
__STATIC_INLINE uint32_t __get_TTBR0 ()
 Get TTBR0.
__STATIC_INLINE void __set_TTBR0 (uint32_t ttbr0)
 Set TTBR0.
__STATIC_INLINE uint32_t __get_DACR ()
 Get DACR.
__STATIC_INLINE void __set_DACR (uint32_t dacr)
 Set DACR.
__STATIC_INLINE void __set_SCTLR (uint32_t sctlr)
 Set SCTLR.
__STATIC_INLINE uint32_t __get_SCTLR ()
 Get SCTLR.
__STATIC_INLINE void __enable_caches (void)
 Enable Caches.
__STATIC_INLINE void __disable_caches (void)
 Disable Caches.
__STATIC_INLINE void __enable_btac (void)
 Enable BTAC.
__STATIC_INLINE void __disable_btac (void)
 Disable BTAC.
__STATIC_INLINE void __enable_mmu (void)
 Enable MMU.
__STATIC_INLINE void __disable_mmu (void)
 Disable MMU.
__STATIC_INLINE void __ca9u_inv_tlb_all (void)
 Invalidate the whole tlb.
__STATIC_INLINE void __v7_inv_btac (void)
 Invalidate entire branch predictor array.
__STATIC_INLINE void __v7_inv_icache_all (void)
 Invalidate the whole I$.
__STATIC_INLINE void __v7_clean_dcache_mva (void *va)
 Clean D$ by MVA.
__STATIC_INLINE void __v7_inv_dcache_mva (void *va)
 Invalidate D$ by MVA.
__STATIC_INLINE void __v7_clean_inv_dcache_mva (void *va)
 Clean and Invalidate D$ by MVA.
__STATIC_ASM void __v7_all_cache (uint32_t op)
 Clean and Invalidate the entire data or unified cache.
__STATIC_INLINE void __v7_inv_dcache_all (void)
 Invalidate the whole D$.
__STATIC_INLINE void __v7_clean_dcache_all (void)
 Clean the whole D$.
__STATIC_INLINE void __v7_clean_inv_dcache_all (void)
 Clean and invalidate the whole D$.
__STATIC_INLINE uint32_t __get_CONTROL (void)
 Get Control Register.
__STATIC_INLINE void __set_CONTROL (uint32_t control)
 Set Control Register.
__STATIC_INLINE uint32_t __get_IPSR (void)
 Get IPSR Register.
__STATIC_INLINE uint32_t __get_xPSR (void)
 Get xPSR Register.
__STATIC_INLINE uint32_t __get_PSP (void)
 Get Process Stack Pointer.
__STATIC_INLINE uint32_t __get_MSP (void)
 Get Main Stack Pointer.
__STATIC_INLINE void __set_MSP (uint32_t topOfMainStack)
 Set Main Stack Pointer.
__STATIC_INLINE uint32_t __get_PRIMASK (void)
 Get Priority Mask.
__STATIC_INLINE void __set_PRIMASK (uint32_t priMask)
 Set Priority Mask.
__STATIC_INLINE uint32_t __get_BASEPRI (void)
 Get Base Priority.
__STATIC_INLINE void __set_BASEPRI (uint32_t basePri)
 Set Base Priority.
__STATIC_INLINE uint32_t __get_FAULTMASK (void)
 Get Fault Mask.
__STATIC_INLINE void __set_FAULTMASK (uint32_t faultMask)
 Set Fault Mask.

Function Documentation

register uint32_t __regSP __ASM ( "sp"   )

Set Stack Pointer.

This function assigns the given value to the current stack pointer.

Parameters:
[in]topOfStackStack Pointer value to set
register uint32_t __reglr __ASM ( "lr"   )

Get link register.

This function returns the value of the link register

Returns:
Value of link register
__STATIC_INLINE void __ca9u_inv_tlb_all ( void   )

Invalidate the whole tlb.

TLBIALL. Invalidate the whole tlb

Definition at line 414 of file core_caFunc.h.

__STATIC_INLINE void __disable_btac ( void   )

Disable BTAC.

Disable BTAC

Definition at line 380 of file core_caFunc.h.

__STATIC_INLINE void __disable_caches ( void   )

Disable Caches.

Disable Caches

Definition at line 359 of file core_caFunc.h.

__STATIC_INLINE void __disable_mmu ( void   )

Disable MMU.

Disable MMU

Definition at line 402 of file core_caFunc.h.

__STATIC_INLINE void __enable_btac ( void   )

Enable BTAC.

Enable BTAC

Definition at line 370 of file core_caFunc.h.

__STATIC_INLINE void __enable_caches ( void   )

Enable Caches.

Enable Caches

Definition at line 349 of file core_caFunc.h.

__STATIC_INLINE void __enable_mmu ( void   )

Enable MMU.

Enable MMU

Definition at line 390 of file core_caFunc.h.

__STATIC_INLINE uint32_t __get_APSR ( void   )

Get APSR Register.

This function returns the content of the APSR Register.

Returns:
APSR Register value

Definition at line 71 of file core_caFunc.h.

__STATIC_INLINE uint32_t __get_BASEPRI ( void   )

Get Base Priority.

This function returns the current value of the Base Priority register.

Returns:
Base Priority register value

Definition at line 225 of file core_cmFunc.h.

__STATIC_INLINE uint32_t __get_CBAR (  )

Get CBAR.

This function returns the value of the Configuration Base Address register.

Returns:
Configuration Base Address register value

Definition at line 269 of file core_caFunc.h.

__STATIC_INLINE uint32_t __get_CONTROL ( void   )

Get Control Register.

This function returns the content of the Control Register.

Returns:
Control Register value

Definition at line 64 of file core_cmFunc.h.

__STATIC_INLINE uint32_t __get_CPACR ( void   )

Get CPACR.

This function returns the current value of the Coprocessor Access Control register.

Returns:
Coprocessor Access Control register value

Definition at line 244 of file core_caFunc.h.

__STATIC_INLINE uint32_t __get_CPSR ( void   )

Get CPSR Register.

This function returns the content of the CPSR Register.

Returns:
CPSR Register value

Definition at line 84 of file core_caFunc.h.

__STATIC_INLINE uint32_t __get_DACR (  )

Get DACR.

This function returns the value of the Domain Access Control Register.

Returns:
Domain Access Control Register value

Definition at line 303 of file core_caFunc.h.

__STATIC_INLINE uint32_t __get_FAULTMASK ( void   )

Get Fault Mask.

This function returns the current value of the Fault Mask register.

Returns:
Fault Mask register value

Definition at line 251 of file core_cmFunc.h.

__STATIC_INLINE uint32_t __get_FPEXC ( void   )

Get FPEXC.

This function returns the current value of the Floating Point Exception Control register.

Returns:
Floating Point Exception Control register value

Definition at line 213 of file core_caFunc.h.

__STATIC_INLINE uint32_t __get_FPSCR ( void   )

Get FPSCR.

This function returns the current value of the Floating Point Status/Control register.

Returns:
Floating Point Status/Control register value

Definition at line 182 of file core_caFunc.h.

__STATIC_INLINE uint32_t __get_IPSR ( void   )

Get IPSR Register.

This function returns the content of the IPSR Register.

Returns:
IPSR Register value

Definition at line 90 of file core_cmFunc.h.

__STATIC_INLINE uint32_t __get_MSP ( void   )

Get Main Stack Pointer.

This function returns the current value of the Main Stack Pointer (MSP).

Returns:
MSP Register value

Definition at line 155 of file core_cmFunc.h.

__STATIC_INLINE uint32_t __get_PRIMASK ( void   )

Get Priority Mask.

This function returns the current state of the priority mask bit from the Priority Mask Register.

Returns:
Priority Mask value

Definition at line 181 of file core_cmFunc.h.

__STATIC_INLINE uint32_t __get_PSP ( void   )

Get Process Stack Pointer.

This function returns the current value of the Process Stack Pointer (PSP).

Returns:
PSP Register value

Definition at line 129 of file core_cmFunc.h.

__STATIC_INLINE uint32_t __get_SCTLR (  )

Get SCTLR.

This function returns the value of the System Control Register.

Returns:
System Control Register value

Definition at line 340 of file core_caFunc.h.

__STATIC_INLINE uint32_t __get_TTBR0 (  )

Get TTBR0.

This function returns the value of the Translation Table Base Register 0.

Returns:
Translation Table Base Register 0 value

Definition at line 280 of file core_caFunc.h.

__STATIC_INLINE uint32_t __get_xPSR ( void   )

Get xPSR Register.

This function returns the content of the xPSR Register.

Returns:
xPSR Register value

Definition at line 116 of file core_cmFunc.h.

__STATIC_INLINE void __set_BASEPRI ( uint32_t  basePri )

Set Base Priority.

This function assigns the given value to the Base Priority register.

Parameters:
[in]basePriBase Priority value to set

Definition at line 238 of file core_cmFunc.h.

__STATIC_INLINE void __set_CONTROL ( uint32_t  control )

Set Control Register.

This function writes the given value to the Control Register.

Parameters:
[in]controlControl Register value to set

Definition at line 77 of file core_cmFunc.h.

__STATIC_INLINE void __set_CPACR ( uint32_t  cpacr )

Set CPACR.

This function assigns the given value to the Coprocessor Access Control register.

Parameters:
[in]cpacrCoprocessor Acccess Control value to set

Definition at line 256 of file core_caFunc.h.

__STATIC_ASM void __set_CPS_USR ( void   )

Set User Mode.

This function changes the processor state to User Mode

Definition at line 151 of file core_caFunc.h.

__STATIC_INLINE void __set_DACR ( uint32_t  dacr )

Set DACR.

This function assigns the given value to the Domain Access Control Register.

Parameters:
[in]dacrDomain Access Control Register value to set

Definition at line 314 of file core_caFunc.h.

__STATIC_INLINE void __set_FAULTMASK ( uint32_t  faultMask )

Set Fault Mask.

This function assigns the given value to the Fault Mask register.

Parameters:
[in]faultMaskFault Mask value to set

Definition at line 264 of file core_cmFunc.h.

__STATIC_INLINE void __set_FPEXC ( uint32_t  fpexc )

Set FPEXC.

This function assigns the given value to the Floating Point Exception Control register.

Parameters:
[in]fpscrFloating Point Exception Control value to set

Definition at line 230 of file core_caFunc.h.

__STATIC_INLINE void __set_FPSCR ( uint32_t  fpscr )

Set FPSCR.

This function assigns the given value to the Floating Point Status/Control register.

Parameters:
[in]fpscrFloating Point Status/Control value to set

Definition at line 199 of file core_caFunc.h.

__STATIC_INLINE void __set_LR ( uint32_t  lr )

Set link register.

This function sets the value of the link register

Parameters:
[in]lrLR value to set

Definition at line 121 of file core_caFunc.h.

__STATIC_INLINE void __set_MSP ( uint32_t  topOfMainStack )

Set Main Stack Pointer.

This function assigns the given value to the Main Stack Pointer (MSP).

Parameters:
[in]topOfMainStackMain Stack Pointer value to set

Definition at line 168 of file core_cmFunc.h.

__STATIC_INLINE void __set_PRIMASK ( uint32_t  priMask )

Set Priority Mask.

This function assigns the given value to the Priority Mask Register.

Parameters:
[in]priMaskPriority Mask

Definition at line 194 of file core_cmFunc.h.

__STATIC_INLINE void __set_PSP ( uint32_t  topOfProcStack )

Set Process Stack Pointer.

This function assigns the given value to the USR/SYS Stack Pointer (PSP).

Parameters:
[in]topOfProcStackUSR/SYS Stack Pointer value to set

This function assigns the given value to the Process Stack Pointer (PSP).

Parameters:
[in]topOfProcStackProcess Stack Pointer value to set

Definition at line 132 of file core_caFunc.h.

__STATIC_INLINE void __set_SCTLR ( uint32_t  sctlr )

Set SCTLR.

This function assigns the given value to the System Control Register.

Parameters:
[in]sctlrSystem Control Register value to set

Definition at line 328 of file core_caFunc.h.

__STATIC_INLINE void __set_TTBR0 ( uint32_t  ttbr0 )

Set TTBR0.

This function assigns the given value to the Translation Table Base Register 0.

Parameters:
[in]ttbr0Translation Table Base Register 0 value to set

Definition at line 291 of file core_caFunc.h.

void __v7_all_cache ( uint32_t  op )

Clean and Invalidate the entire data or unified cache.

Generic mechanism for cleaning/invalidating the entire data or unified cache to the point of coherency.

Definition at line 484 of file core_caFunc.h.

__STATIC_INLINE void __v7_clean_dcache_all ( void   )

Clean the whole D$.

DCCSW. Clean by Set/Way

Definition at line 556 of file core_caFunc.h.

__STATIC_INLINE void __v7_clean_dcache_mva ( void *  va )

Clean D$ by MVA.

DCCMVAC. Data cache clean by MVA to PoC

Definition at line 452 of file core_caFunc.h.

__STATIC_INLINE void __v7_clean_inv_dcache_all ( void   )

Clean and invalidate the whole D$.

DCCISW. Clean and Invalidate by Set/Way

Definition at line 565 of file core_caFunc.h.

__STATIC_INLINE void __v7_clean_inv_dcache_mva ( void *  va )

Clean and Invalidate D$ by MVA.

DCCIMVAC. Data cache clean and invalidate by MVA to PoC

Definition at line 472 of file core_caFunc.h.

__STATIC_INLINE void __v7_inv_btac ( void   )

Invalidate entire branch predictor array.

BPIALL. Branch Predictor Invalidate All.

Definition at line 427 of file core_caFunc.h.

__STATIC_INLINE void __v7_inv_dcache_all ( void   )

Invalidate the whole D$.

DCISW. Invalidate by Set/Way

Definition at line 547 of file core_caFunc.h.

__STATIC_INLINE void __v7_inv_dcache_mva ( void *  va )

Invalidate D$ by MVA.

DCIMVAC. Data cache invalidate by MVA to PoC

Definition at line 462 of file core_caFunc.h.

__STATIC_INLINE void __v7_inv_icache_all ( void   )

Invalidate the whole I$.

ICIALLU. Instruction Cache Invalidate All to PoU

Definition at line 441 of file core_caFunc.h.