Instruction Emitters

Functions
static void	cpu_instr_trapa (const uint8_t vector)
	Emit a trap instruction.
static uint32_t	cpu_instr_swapb (uint32_t x)
	Emit a swap.b instruction.
static uint32_t	cpu_instr_swapw (uint32_t x)
	Emit a swap.w instruction.
static void	cpu_instr_clrmac (void)
	Emit a clrmac instruction.
static void	cpu_instr_macw (void *a, void *b)
	Emit a mac.w instruction.
static void	cpu_instr_macl (void *a, void *b)
	Emit a mac.l instruction.
static uint32_t	cpu_instr_sts_mach (void)
	Emit a sts instruction to fetch mach.
static uint32_t	cpu_instr_sts_macl (void)
	Emit a sts instruction to fetch macl.
static uint32_t	cpu_instr_extsw (const uint32_t rm)
	Emit a exts.w instruction.
static uint32_t	cpu_instr_neg (uint32_t rm)
	Emit a neg instruction.
static uint32_t	cpu_instr_rotl (uint32_t rn)
	Emit a rotl instruction.
static uint32_t	cpu_instr_rotr (uint32_t rn)
	Emit a rotr instruction.
static uint32_t	cpu_instr_xtrct (uint32_t rm, uint32_t rn)
	Emit a xtrct instruction.
static void	cpu_instr_nop (void)
	Emit a nop instruction.

Detailed Description

Description goes here.

Function Documentation

cpu_instr_trapa()

static void cpu_instr_trapa ( const uint8_t  vector )

inlinestatic

Emit a trap instruction.

Parameters

vector

Interrupt vector number (rn).

cpu_instr_swapb()

static uint32_t cpu_instr_swapb ( uint32_t  x )

inlinestatic

Emit a swap.b instruction.

Swap the upper and lower bytes of a 2-byte value.

Parameters

x	Value to be swapped.

See also

cpu_bswap16

Returns

Not yet documented.

cpu_instr_swapw()

static uint32_t cpu_instr_swapw ( uint32_t  x )

inlinestatic

Emit a swap.w instruction.

Swap the upper and lower 2-bytes of a 4-byte value.

Parameters

x	Value to be swapped.

Returns

Not yet documented.

cpu_instr_macw()

static void cpu_instr_macw ( void *  a, void *  b  )

inlinestatic

Emit a mac.w instruction.

Parameters

a	The rm register.
b	The rn register.

cpu_instr_macl()

static void cpu_instr_macl ( void *  a, void *  b  )

inlinestatic

Emit a mac.l instruction.

Parameters

a	The rm register.
b	The rn register.

cpu_instr_sts_mach()

static uint32_t cpu_instr_sts_mach ( void  )

inlinestatic

Emit a sts instruction to fetch mach.

Returns

The value of the mach register.

cpu_instr_sts_macl()

static uint32_t cpu_instr_sts_macl ( void  )

inlinestatic

Emit a sts instruction to fetch macl.

Returns

The value of the macl register.

cpu_instr_extsw()

static uint32_t cpu_instr_extsw ( const uint32_t  rm )

inlinestatic

Emit a exts.w instruction.

Parameters

rm	The rm register.

Returns

The sign-extended 32-bit value.

cpu_instr_neg()

static uint32_t cpu_instr_neg ( uint32_t  rm )

inlinestatic

Emit a neg instruction.

Parameters

rm	The rm register.

Returns

The negated 32-bit value.

cpu_instr_rotl()

static uint32_t cpu_instr_rotl ( uint32_t  rn )

inlinestatic

Emit a rotl instruction.

Parameters

rn	The rn register.

Returns

The rotated to the left 32-bit value.

cpu_instr_rotr()

static uint32_t cpu_instr_rotr ( uint32_t  rn )

inlinestatic

Emit a rotr instruction.

Parameters

rn	The rn register.

Returns

The rotated to the right 32-bit value.

cpu_instr_xtrct()

static uint32_t cpu_instr_xtrct ( uint32_t  rm, uint32_t  rn  )

inlinestatic

Emit a xtrct instruction.

Parameters

rm	The rm register.
rn	The rn register.

Returns

The 32-bit extracted value between the 64-bits of coupled rm and rn registers.