source: rtems/c/src/lib/libcpu/powerpc/new-exceptions/e500_raw_exc_init.c @ 4be2812f

#include <libcpu/cpuIdent.h>
#include <libcpu/raw_exception.h>

#define MTIVOR(x, vec) asm volatile("mtivor"#x" %0"::"r"(vec));

/* Use during early init for initializing the e500 IVOR/IVPR registers */
void
e500_setup_raw_exceptions()
{
unsigned c;
        if ( ! (c = ppc_cpu_is_bookE()) || PPC_BOOKE_405 == c )
                return;
        asm volatile("mtivpr %0"::"r"(0));
        /* setup vectors to be compatible with classic PPC */
        MTIVOR(0,  ppc_get_vector_addr(ASM_BOOKE_CRIT_VECTOR)); /* Critical input not (yet) supported; use reset vector */
        MTIVOR(1,  ppc_get_vector_addr(ASM_MACH_VECTOR));
        MTIVOR(2,  ppc_get_vector_addr(ASM_PROT_VECTOR));
        MTIVOR(3,  ppc_get_vector_addr(ASM_ISI_VECTOR));
        MTIVOR(4,  ppc_get_vector_addr(ASM_EXT_VECTOR));
        MTIVOR(5,  ppc_get_vector_addr(ASM_ALIGN_VECTOR));
        MTIVOR(6,  ppc_get_vector_addr(ASM_PROG_VECTOR));
        MTIVOR(7,  ppc_get_vector_addr(ASM_FLOAT_VECTOR));
        MTIVOR(8,  ppc_get_vector_addr(ASM_SYS_VECTOR));
        MTIVOR(9,  ppc_get_vector_addr(0x0b));
        MTIVOR(10, ppc_get_vector_addr(ASM_DEC_VECTOR));
        MTIVOR(11, ppc_get_vector_addr(ASM_BOOKE_PIT_VECTOR));
        MTIVOR(12, ppc_get_vector_addr(ASM_BOOKE_WDOG_VECTOR));
        MTIVOR(13, ppc_get_vector_addr(ASM_60X_DSMISS_VECTOR));
        MTIVOR(14, ppc_get_vector_addr(ASM_60X_DLMISS_VECTOR));
        MTIVOR(15, ppc_get_vector_addr(ASM_TRACE_VECTOR));
        MTIVOR(32, ppc_get_vector_addr(ASM_60X_VEC_VECTOR));
        MTIVOR(33, ppc_get_vector_addr(0x16));
        MTIVOR(34, ppc_get_vector_addr(0x15));
        MTIVOR(35, ppc_get_vector_addr(ASM_60X_PERFMON_VECTOR));
}