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Added FPSP support for MC68040

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This commit is contained in:
Joel Sherrill
1997-04-16 17:34:40 +00:00
parent 010e758254
commit 5bf6ffb42f
4 changed files with 90 additions and 7 deletions
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21
cpukit/score/cpu/m68k/cpu.c
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@@ -76,10 +76,27 @@ void _CPU_ISR_install_raw_handler(
{
proc_ptr *interrupt_table = NULL;
#if (M68K_HAS_FPSP_PACKAGE == 1)
/*
* If this vector being installed is one related to FP, then the
* FPSP will install the handler itself and handle it completely
* with no intervention from RTEMS.
*/
if (*_FPSP_install_raw_handler &&
(*_FPSP_install_raw_handler)(vector, new_handler, *old_handler))
return;
#endif
/*
* On CPU models without a VBR, it is necessary for there to be some
* header code for each ISR which saves a register, loads the vector
* number, and jumps to _ISR_Handler.
*/
m68k_get_vbr( interrupt_table );
*old_handler = interrupt_table[ vector ];
#if ( M68K_HAS_VBR == 1 )
interrupt_table[ vector ] = new_handler;
#else