diff options
Diffstat (limited to 'c/src/lib/libcpu/i960/i960rp/cpu_install_intr_stack.c')
| -rw-r--r-- | c/src/lib/libcpu/i960/i960rp/cpu_install_intr_stack.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/c/src/lib/libcpu/i960/i960rp/cpu_install_intr_stack.c b/c/src/lib/libcpu/i960/i960rp/cpu_install_intr_stack.c new file mode 100644 index 0000000000..9e1deca598 --- /dev/null +++ b/c/src/lib/libcpu/i960/i960rp/cpu_install_intr_stack.c @@ -0,0 +1,31 @@ +/* + * Install interrupt stack i960RP + * + * $Id$ + */ + +#include <rtems.h> +#include <libcpu/i960RP.h> + +extern i960_PRCB *Prcb; + +void _CPU_Install_interrupt_stack( void ) +{ + i960_PRCB *prcb = Prcb; + unsigned32 level; + unsigned32 *isp = (int *) ISP_ADDR; + + /* + * Set the Interrupt Stack in the on-CPU memory. + * Interrupts are disabled for safety. + */ + + _CPU_ISR_Disable( level ); + + prcb->intr_stack = _CPU_Interrupt_stack_low; + + *isp = (unsigned32) prcb->intr_stack; + + _CPU_ISR_Enable( level ); +} + |