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)   __asm__ volatile ( "move.w %0,%%sr " : : "d" (_level) : "cc");
#define	m68k_flash_interrupts(_level)
#define	m68k_get_interrupt_level(_level)
#define	m68k_set_interrupt_level(_newlevel)
#define	m68k_get_vbr(_vbr)   _vbr = (void *)_VBR
#define	m68k_set_vbr(_vbr)
#define	m68k_set_cacr(_cacr)   __asm__ volatile ("movec %0,%%cacr" : : "d" (_cacr))
#define	m68k_set_acr0(_acr0)   __asm__ volatile ("movec %0,%%acr0" : : "d" (_acr0))
#define	m68k_set_acr1(_acr1)   __asm__ volatile ("movec %0,%%acr1" : : "d" (_acr1))
#define	CPU_swap_u32(value)   m68k_swap_u32( value )
#define	CPU_swap_u16(value)   m68k_swap_u16( value )

Detailed Description

Motorola M68K CPU Dependent Source.

Macro Definition Documentation

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_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_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)