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If the _VBR is set to 0xFFFFFFFF, then assume the vector jump table is

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in ROM.
This commit is contained in:
Joel Sherrill
2000-08-01 19:38:52 +00:00
parent 47ca0d0a51
commit 5ede970698
2 changed files with 20 additions and 2 deletions
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11
c/src/exec/score/cpu/m68k/cpu.c
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@@ -99,8 +99,17 @@ void _CPU_ISR_install_raw_handler(
#if ( M68K_HAS_VBR == 1 )
interrupt_table[ vector ] = new_handler;
#else
/*
* Install handler into RTEMS jump table and if VBR table is in
* RAM, install the pointer to the appropriate jump table slot.
* If the VBR table is in ROM, it is the BSP's responsibility to
* load it appropriately to vector to the RTEMS jump table.
*/
_CPU_ISR_jump_table[vector].isr_handler = (unsigned32) new_handler;
interrupt_table[ vector ] = (proc_ptr) &_CPU_ISR_jump_table[vector];
if ( (unsigned32) interrupt_table != 0xFFFFFFFF )
interrupt_table[ vector ] = (proc_ptr) &_CPU_ISR_jump_table[vector];
#endif /* M68K_HAS_VBR */
}

11
cpukit/score/cpu/m68k/cpu.c
View File

@@ -99,8 +99,17 @@ void _CPU_ISR_install_raw_handler(
#if ( M68K_HAS_VBR == 1 )
interrupt_table[ vector ] = new_handler;
#else
/*
* Install handler into RTEMS jump table and if VBR table is in
* RAM, install the pointer to the appropriate jump table slot.
* If the VBR table is in ROM, it is the BSP's responsibility to
* load it appropriately to vector to the RTEMS jump table.
*/
_CPU_ISR_jump_table[vector].isr_handler = (unsigned32) new_handler;
interrupt_table[ vector ] = (proc_ptr) &_CPU_ISR_jump_table[vector];
if ( (unsigned32) interrupt_table != 0xFFFFFFFF )
interrupt_table[ vector ] = (proc_ptr) &_CPU_ISR_jump_table[vector];
#endif /* M68K_HAS_VBR */
}