Division Unit (DIVU)

Typedefs
typedef void(*	cpu_divu_ihr_t) (void)
	Callback type.

Functions
static bool	cpu_divu_status_get (void)
	Determine if an overflow has occurred.
static uint32_t	cpu_divu_quotient_get (void)
	Obtain the quotient part at the end of a division operation.
static uint32_t	cpu_divu_remainder_get (void)
	Obtain the remainder part at the end of a division operation.
static void	cpu_divu_64_32_set (uint32_t dividendh, uint32_t dividendl, uint32_t divisor)
	Perform a 64÷32 bit division operation.
static void	cpu_divu_32_32_set (uint32_t dividend, uint32_t divisor)
	Perform a 32÷32 bit division operation.
static void	cpu_divu_fix16_split (fix16_t dividend, uint32_t *dh, uint32_t *dl)
	Split a fix16_t value into two 32-bit parts of the dividend.
static void	cpu_divu_fix16_set (fix16_t dividend, fix16_t divisor)
	Perform a fixed-point bit division operation.
static uint8_t	cpu_divu_interrupt_priority_get (void)
	Obtain the interrupt priority level for CPU-DIVU.
static void	cpu_divu_interrupt_priority_set (uint8_t priority)
	Set the interrupt priority level for CPU-DIVU.

Detailed Description

Description goes here.

Typedef Documentation

cpu_divu_ihr_t

typedef void(* cpu_divu_ihr_t) (void)

Callback type.

See also

cpu_divu_ovfi_set

Function Documentation

cpu_divu_status_get()

static bool cpu_divu_status_get ( void  )

inlinestatic

Determine if an overflow has occurred.

Returns

true if an overflow has occurred. Otherwise, false.

cpu_divu_quotient_get()

static uint32_t cpu_divu_quotient_get ( void  )

inlinestatic

Obtain the quotient part at the end of a division operation.

Returns

The quotient.

cpu_divu_remainder_get()

static uint32_t cpu_divu_remainder_get ( void  )

inlinestatic

Obtain the remainder part at the end of a division operation.

Returns

The remainder.

cpu_divu_64_32_set()

static void cpu_divu_64_32_set ( uint32_t  dividendh, uint32_t  dividendl, uint32_t  divisor  )

inlinestatic

Perform a 64÷32 bit division operation.

The results are fetched using cpu_divu_quotient_get.

Parameters

dividendh,dividendl	The dividend.
divisor	The divisor.

cpu_divu_32_32_set()

static void cpu_divu_32_32_set ( uint32_t  dividend, uint32_t  divisor  )

inlinestatic

Perform a 32÷32 bit division operation.

The results are fetched using cpu_divu_quotient_get.

Parameters

dividend	The dividend.
divisor	The divisor.

cpu_divu_fix16_split()

static void cpu_divu_fix16_split ( fix16_t  dividend, uint32_t *  dh, uint32_t *  dl  )

inlinestatic

Split a fix16_t value into two 32-bit parts of the dividend.

Both dh and dl must not be NULL.

Parameters

[in]	dividend	The dividend to be split.
[out]	dh,dl	The upper and lower 32-bits of the dividend, respectively.

cpu_divu_fix16_set()

static void cpu_divu_fix16_set ( fix16_t  dividend, fix16_t  divisor  )

inlinestatic

Perform a fixed-point bit division operation.

The results are fetched using cpu_divu_quotient_get. Cast to fix16_t.

Parameters

dividend	The dividend.
divisor	The divisor.

cpu_divu_interrupt_priority_get()

static uint8_t cpu_divu_interrupt_priority_get ( void  )

inlinestatic

Obtain the interrupt priority level for CPU-DIVU.

Returns

The interrupt priority level ranging from 0 to 15.

cpu_divu_interrupt_priority_set()

static void cpu_divu_interrupt_priority_set ( uint8_t  priority )

inlinestatic

Set the interrupt priority level for CPU-DIVU.

Parameters

priority

The priority ranging from 0 to 15.