diff options
Diffstat (limited to 'cpukit/score/cpu/m68k/cpu.c')
| -rw-r--r-- | cpukit/score/cpu/m68k/cpu.c | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/cpukit/score/cpu/m68k/cpu.c b/cpukit/score/cpu/m68k/cpu.c index c50a63fda1..77a91535c3 100644 --- a/cpukit/score/cpu/m68k/cpu.c +++ b/cpukit/score/cpu/m68k/cpu.c @@ -20,6 +20,7 @@ #include <rtems/score/isr.h> #include <rtems/score/percpu.h> #include <rtems/score/tls.h> +#include <rtems/config.h> #if ( M68K_HAS_VBR == 0 ) @@ -58,6 +59,15 @@ int (*_FPSP_install_raw_handler)( uint32_t _CPU_cacr_shadow; #endif +static void m68k_install_interrupt_stack( void ) +{ +#if ( M68K_HAS_SEPARATE_STACKS == 1 ) + uintptr_t isp = (uintptr_t) _Configuration_Interrupt_stack_area_end; + + __asm__ volatile ( "movec %0,%%isp" : "=r" (isp) : "0" (isp) ); +#endif +} + void _CPU_Initialize(void) { #if ( M68K_HAS_VBR == 0 ) @@ -74,6 +84,8 @@ void _CPU_Initialize(void) _CPU_ISR_jump_table[slot].isr_handler = (uint32_t) 0xDEADDEAD; } #endif /* M68K_HAS_VBR */ + + m68k_install_interrupt_stack(); } uint32_t _CPU_ISR_Get_level( void ) @@ -151,20 +163,6 @@ void _CPU_ISR_install_vector( _ISR_Vector_table[ vector ] = new_handler; } - -/* - * _CPU_Install_interrupt_stack - */ - -void _CPU_Install_interrupt_stack( void ) -{ -#if ( M68K_HAS_SEPARATE_STACKS == 1 ) - void *isp = _CPU_Interrupt_stack_high; - - __asm__ volatile ( "movec %0,%%isp" : "=r" (isp) : "0" (isp) ); -#endif -} - #if ( M68K_HAS_BFFFO != 1 ) /* * Returns table for duplication of the BFFFO instruction (16 bits only) |