ReadWriteSpecialRegisters

Functions
int	__builtin_pulp_spr_read (int spr)
	Reads special purpose register spr. More...
int	__builtin_pulp_spr_read_vol (int spr)
	Reads special purpose register spr. Read is volatile. More...
void	__builtin_pulp_spr_write (int spr, int x)
	Writes x into special purpose register spr. More...
void	__builtin_pulp_spr_bit_set (int spr, int off)
	Sets bit off of special purpose register spr. off is immediare in [0..31]. More...
void	__builtin_pulp_spr_bit_clr (int spr, int off)
	Clears bit off of special purpose register spr. off is immediare in [0..31]. More...
int	__builtin_pulp_read_then_spr_write (int spr, int x)
	Reads spr special purpose register and then writes x it. Returns the read content. More...
int	__builtin_pulp_read_then_spr_bit_set (int spr, int off)
	Reads spr special purpose register and then sets bit at position off of spr. off is immediate in [0..31]. More...
int	__builtin_pulp_read_then_spr_bit_clr (int spr, int off)
	Reads spr special purpose register and then clears bit at position off of spr. off is immediate in [0..31]. More...

Description

Function Documentation

int __builtin_pulp_read_then_spr_bit_clr	(	int	spr,
		int	off
	)

Reads spr special purpose register and then clears bit at position off of spr. off is immediate in [0..31].

Available macros:

    gap8_sprreadthenbitclr(spr, off)
    __SPRREADTHENBITCLR(spr, off)

Parameters

spr	Special purpose register number
off	Bit offset, immediate in [0..31]

Referenced by __SPRREADTHENBITCLR(), and gap8_sprreadthenbitclr().

int __builtin_pulp_read_then_spr_bit_set	(	int	spr,
		int	off
	)

Reads spr special purpose register and then sets bit at position off of spr. off is immediate in [0..31].

Available macros:

    gap8_sprreadthenbitset(spr, off)
    __SPRREADTHENBITSET(spr, off)

Parameters

spr	Special purpose register number
off	Bit offset, immediate in [0..31]

Referenced by __SPRREADTHENBITSET(), and gap8_sprreadthenbitset().

int __builtin_pulp_read_then_spr_write	(	int	spr,
		int	x
	)

Reads spr special purpose register and then writes x it. Returns the read content.

Available macros:

    gap8_sprreadthenwrite(spr, x)
    __SPRREADTHENWRITE(spr, x)

Parameters

spr	Special purpose register number
x	Value to be written

Referenced by __SPRREADTHENWRITE(), and gap8_sprreadthenwrite().

void __builtin_pulp_spr_bit_clr	(	int	spr,
		int	off
	)

Clears bit off of special purpose register spr. off is immediare in [0..31]

Available macros:

    gap8_sprbitclr(spr, off)
    __SPRBITCLR(spr, off)

Parameters

spr	Special purpose register number
off	Bit offset, immediate in [0..31]

Referenced by __SPRBITCLR(), and gap8_sprbitclr().

void __builtin_pulp_spr_bit_set	(	int	spr,
		int	off
	)

Sets bit off of special purpose register spr. off is immediare in [0..31]

Available macros:

    gap8_sprbitset(spr, off)
    __SPRBITSET(spr, off)

Parameters

spr	Special purpose register number
off	Bit offset, immediate in [0..31]

Referenced by __SPRBITSET(), and gap8_sprbitset().

int __builtin_pulp_spr_read

(

int

spr

)

Reads special purpose register spr.

Available macros:

    gap8_sprread(spr)
    __SPRREAD(spr)

Parameters

spr	Special purpose register number

Referenced by __SPRREAD(), and gap8_sprread().

int __builtin_pulp_spr_read_vol

(

int

spr

)

Reads special purpose register spr. Read is volatile.

Available macros:

    gap8_sprread_vol(spr)
    __SPRREAD_VOL(spr)

Parameters

spr	Special purpose register number

Referenced by __SPRREAD_VOL(), and gap8_sprread_vol().

void __builtin_pulp_spr_write	(	int	spr,
		int	x
	)

Writes x into special purpose register spr.

Available macros:

    gap8_sprwrite(spr, x)
    __SPRWRITE(spr, x)

Parameters

spr	Special purpose register number
x	Value to be written

Referenced by __SPRWRITE(), and gap8_sprwrite().