m68k.h File Reference

Motorola M68K CPU Dependent Source. More...

Go to the source code of this file.

Macros
#define	CPU_NAME   "Motorola MC68xxx"
#define	M68K_CPU_STACK_MINIMUM_SIZE   4096
#define	M68K_CPU_STACK_MINIMUM_SIZE   4096
#define	M68K_CPU_PRIORITY_MAXIMUM   255
#define	M68K_COLDFIRE_ARCH   0
#define	m68k_disable_interrupts(_level)
#define	m68k_enable_interrupts(_level)
#define	m68k_flash_interrupts(_level)
#define	m68k_get_interrupt_level(_level)
#define	m68k_set_interrupt_level(_newlevel)
#define	m68k_get_vbr(_vbr)
#define	m68k_set_vbr(_vbr)
#define	m68k_set_cacr(_cacr)
#define	m68k_set_acr0(_acr0)
#define	m68k_set_acr1(_acr1)
#define	CPU_swap_u32(value)
#define	CPU_swap_u16(value)

Detailed Description

Motorola M68K CPU Dependent Source.

Macro Definition Documentation

CPU_swap_u16

#define CPU_swap_u16

(

value

)

Value:

m68k_swap_u16( value )

CPU_swap_u32

#define CPU_swap_u32

(

value

)

Value:

m68k_swap_u32( value )

m68k_disable_interrupts

#define m68k_disable_interrupts

(

_level

)

Value:

__asm__ volatile ( "move.w  %%sr,%0\n\t" \
               "or.w    #0x0700,%%sr" \
                  : "=d" (_level) \
                  : : "cc" )

m68k_enable_interrupts

#define m68k_enable_interrupts

(

_level

)

Value:

__asm__ volatile ( "move.w  %0,%%sr " : : "d" (_level) : "cc");

m68k_flash_interrupts

#define m68k_flash_interrupts

(

_level

)

Value:

__asm__ volatile ( "move.w  %0,%%sr\n\t" \
               "or.w    #0x0700,%%sr" \
                  : : "d" (_level) \
                  : "cc" )

m68k_get_interrupt_level

#define m68k_get_interrupt_level

(

_level

)

Value:

do { \
  uint32_t   _tmpsr; \
  \
  __asm__ volatile( "move.w %%sr,%0" : "=d" (_tmpsr)); \
  _level = (_tmpsr & 0x0700) >> 8; \
} while (0)

m68k_get_vbr

#define m68k_get_vbr

(

_vbr

)

Value:

_vbr = (void *)_VBR

m68k_set_acr0

#define m68k_set_acr0

(

_acr0

)

Value:

__asm__ volatile ("movec %0,%%acr0" : : "d" (_acr0))

m68k_set_acr1

#define m68k_set_acr1

(

_acr1

)

Value:

__asm__ volatile ("movec %0,%%acr1" : : "d" (_acr1))

m68k_set_cacr

#define m68k_set_cacr

(

_cacr

)

Value:

__asm__ volatile ("movec %0,%%cacr" : : "d" (_cacr))

m68k_set_interrupt_level

#define m68k_set_interrupt_level

(

_newlevel

)

Value:

do { \
  uint32_t   _tmpsr; \
  \
  __asm__ volatile( "move.w  %%sr,%0" : "=d" (_tmpsr)); \
  _tmpsr = (_tmpsr & 0xf8ff) | ((_newlevel) << 8); \
  __asm__ volatile( "move.w  %0,%%sr" : : "d" (_tmpsr)); \
} while (0)