From 5ede970698867dff1cd8ebb9b8f80641c0b7ccd4 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Tue, 1 Aug 2000 19:38:52 +0000 Subject: If the _VBR is set to 0xFFFFFFFF, then assume the vector jump table is in ROM. --- cpukit/score/cpu/m68k/cpu.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) (limited to 'cpukit/score/cpu/m68k') diff --git a/cpukit/score/cpu/m68k/cpu.c b/cpukit/score/cpu/m68k/cpu.c index f1ffe31fe0..c34564fb32 100644 --- a/cpukit/score/cpu/m68k/cpu.c +++ b/cpukit/score/cpu/m68k/cpu.c @@ -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 */ } -- cgit v1.2.3