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2007-12-05 Till Straumann <strauman@slac.stanford.edu>

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* Makefile.am, configure.ac, preinstall.am,
	new-exceptions/e500_raw_exc_init.c: Started adding
	support for e500 CPU. Most stuff is borrowed from mpc6xx.
This commit is contained in:
Till Straumann
2007-12-06 00:21:07 +00:00
parent a52ab9e1fb
commit 694c00cb4e
5 changed files with 67 additions and 2 deletions
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34
c/src/lib/libcpu/powerpc/new-exceptions/e500_raw_exc_init.c Normal file
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@@ -0,0 +1,34 @@
#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()
{
if ( !ppc_cpu_is_bookE() )
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));
}