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/**
* @file
*
* @ingroup ppc_exc
*
* @brief PowerPC Exceptions implementation.
*/
/*
* Copyright (C) 1999 Eric Valette (valette@crf.canon.fr)
* Canon Centre Recherche France.
*
* Copyright (C) 2009-2011 embedded brains GmbH.
*
* Enhanced by Jay Kulpinski <jskulpin@eng01.gdds.com>
* to support 603, 603e, 604, 604e exceptions
*
* Moved to "libcpu/powerpc/new-exceptions" and consolidated
* by Thomas Doerfler <Thomas.Doerfler@embedded-brains.de>
* to be common for all PPCs with new exceptions.
*
* Derived from file "libcpu/powerpc/new-exceptions/raw_exception.c".
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#include <bsp/vectors.h>
#define PPC_BASIC_VECS_WO_SYS \
[ASM_RESET_VECTOR] = PPC_EXC_CLASSIC, \
[ASM_MACH_VECTOR] = PPC_EXC_CLASSIC, \
[ASM_PROT_VECTOR] = PPC_EXC_CLASSIC, \
[ASM_ISI_VECTOR] = PPC_EXC_CLASSIC, \
[ASM_EXT_VECTOR] = PPC_EXC_CLASSIC | PPC_EXC_ASYNC, \
[ASM_ALIGN_VECTOR] = PPC_EXC_CLASSIC, \
[ASM_PROG_VECTOR] = PPC_EXC_CLASSIC, \
[ASM_FLOAT_VECTOR] = PPC_EXC_CLASSIC, \
[ASM_DEC_VECTOR] = PPC_EXC_CLASSIC | PPC_EXC_ASYNC, \
[ASM_TRACE_VECTOR] = PPC_EXC_CLASSIC
#define PPC_BASIC_VECS \
PPC_BASIC_VECS_WO_SYS, \
[ASM_SYS_VECTOR] = PPC_EXC_CLASSIC
static const ppc_exc_categories ppc_405_category_table = {
[ASM_BOOKE_CRIT_VECTOR] = PPC_EXC_405_CRITICAL | PPC_EXC_ASYNC,
[ASM_MACH_VECTOR] = PPC_EXC_405_CRITICAL,
[ASM_PROT_VECTOR] = PPC_EXC_CLASSIC,
[ASM_ISI_VECTOR] = PPC_EXC_CLASSIC,
[ASM_EXT_VECTOR] = PPC_EXC_CLASSIC | PPC_EXC_ASYNC,
[ASM_ALIGN_VECTOR] = PPC_EXC_CLASSIC,
[ASM_PROG_VECTOR] = PPC_EXC_CLASSIC,
[ASM_FLOAT_VECTOR] = PPC_EXC_CLASSIC,
[ASM_SYS_VECTOR] = PPC_EXC_CLASSIC,
[ASM_PPC405_APU_UNAVAIL_VECTOR] = PPC_EXC_CLASSIC,
[ASM_BOOKE_DEC_VECTOR] = PPC_EXC_CLASSIC | PPC_EXC_ASYNC,
[ASM_BOOKE_FIT_VECTOR] = PPC_EXC_CLASSIC | PPC_EXC_ASYNC,
[ASM_BOOKE_WDOG_VECTOR] = PPC_EXC_405_CRITICAL | PPC_EXC_ASYNC,
[ASM_BOOKE_DTLBMISS_VECTOR] = PPC_EXC_CLASSIC,
[ASM_BOOKE_ITLBMISS_VECTOR] = PPC_EXC_CLASSIC,
[ASM_TRACE_VECTOR] = PPC_EXC_405_CRITICAL,
};
static const ppc_exc_categories ppc_booke_category_table = {
[ASM_BOOKE_CRIT_VECTOR] = PPC_EXC_BOOKE_CRITICAL | PPC_EXC_ASYNC,
[ASM_MACH_VECTOR] = PPC_EXC_E500_MACHCHK,
[ASM_PROT_VECTOR] = PPC_EXC_CLASSIC,
[ASM_ISI_VECTOR] = PPC_EXC_CLASSIC,
[ASM_EXT_VECTOR] = PPC_EXC_CLASSIC | PPC_EXC_ASYNC,
[ASM_ALIGN_VECTOR] = PPC_EXC_CLASSIC,
[ASM_PROG_VECTOR] = PPC_EXC_CLASSIC,
[ASM_FLOAT_VECTOR] = PPC_EXC_CLASSIC,
[ASM_SYS_VECTOR] = PPC_EXC_CLASSIC,
[ASM_BOOKE_APU_VECTOR] = PPC_EXC_CLASSIC,
[ASM_BOOKE_DEC_VECTOR] = PPC_EXC_CLASSIC | PPC_EXC_ASYNC,
[ASM_BOOKE_FIT_VECTOR] = PPC_EXC_CLASSIC | PPC_EXC_ASYNC,
[ASM_BOOKE_WDOG_VECTOR] = PPC_EXC_BOOKE_CRITICAL | PPC_EXC_ASYNC,
[ASM_BOOKE_DTLBMISS_VECTOR] = PPC_EXC_CLASSIC,
[ASM_BOOKE_ITLBMISS_VECTOR] = PPC_EXC_CLASSIC,
[ASM_BOOKE_DEBUG_VECTOR] = PPC_EXC_BOOKE_CRITICAL,
};
static const ppc_exc_categories mpc_5xx_category_table = {
[ASM_RESET_VECTOR] = PPC_EXC_CLASSIC,
[ASM_MACH_VECTOR] = PPC_EXC_CLASSIC,
[ASM_EXT_VECTOR] = PPC_EXC_CLASSIC | PPC_EXC_ASYNC,
[ASM_ALIGN_VECTOR] = PPC_EXC_CLASSIC,
[ASM_PROG_VECTOR] = PPC_EXC_CLASSIC,
[ASM_FLOAT_VECTOR] = PPC_EXC_CLASSIC,
[ASM_DEC_VECTOR] = PPC_EXC_CLASSIC | PPC_EXC_ASYNC,
[ASM_SYS_VECTOR] = PPC_EXC_CLASSIC,
[ASM_TRACE_VECTOR] = PPC_EXC_CLASSIC,
[ASM_5XX_FLOATASSIST_VECTOR] = PPC_EXC_CLASSIC,
[ASM_5XX_SOFTEMUL_VECTOR] = PPC_EXC_CLASSIC,
[ASM_5XX_IPROT_VECTOR] = PPC_EXC_CLASSIC,
[ASM_5XX_DPROT_VECTOR] = PPC_EXC_CLASSIC,
[ASM_5XX_DBREAK_VECTOR] = PPC_EXC_CLASSIC,
[ASM_5XX_IBREAK_VECTOR] = PPC_EXC_CLASSIC,
[ASM_5XX_MEBREAK_VECTOR] = PPC_EXC_CLASSIC,
[ASM_5XX_NMEBREAK_VECTOR] = PPC_EXC_CLASSIC,
};
static const ppc_exc_categories mpc_603_category_table = {
PPC_BASIC_VECS,
[ASM_60X_SYSMGMT_VECTOR] = PPC_EXC_CLASSIC | PPC_EXC_ASYNC,
[ASM_60X_IMISS_VECTOR] = PPC_EXC_CLASSIC,
[ASM_60X_DLMISS_VECTOR] = PPC_EXC_CLASSIC,
[ASM_60X_DSMISS_VECTOR] = PPC_EXC_CLASSIC,
[ASM_60X_ADDR_VECTOR] = PPC_EXC_CLASSIC,
};
static const ppc_exc_categories mpc_604_category_table = {
PPC_BASIC_VECS,
[ASM_60X_PERFMON_VECTOR] = PPC_EXC_CLASSIC,
[ASM_60X_SYSMGMT_VECTOR] = PPC_EXC_CLASSIC | PPC_EXC_ASYNC,
[ASM_60X_ADDR_VECTOR] = PPC_EXC_CLASSIC,
};
static const ppc_exc_categories mpc_604_altivec_category_table = {
PPC_BASIC_VECS,
[ASM_60X_PERFMON_VECTOR] = PPC_EXC_CLASSIC,
[ASM_60X_SYSMGMT_VECTOR] = PPC_EXC_CLASSIC | PPC_EXC_ASYNC,
[ASM_60X_ADDR_VECTOR] = PPC_EXC_CLASSIC,
[ASM_60X_VEC_VECTOR] = PPC_EXC_CLASSIC,
[ASM_60X_VEC_ASSIST_VECTOR] = PPC_EXC_CLASSIC,
};
static const ppc_exc_categories mpc_750_category_table = {
PPC_BASIC_VECS,
[ASM_60X_SYSMGMT_VECTOR] = PPC_EXC_CLASSIC | PPC_EXC_ASYNC,
[ASM_60X_ADDR_VECTOR] = PPC_EXC_CLASSIC,
[ASM_60X_ITM_VECTOR] = PPC_EXC_CLASSIC,
};
static const ppc_exc_categories mpc_750_altivec_category_table = {
PPC_BASIC_VECS,
[ASM_60X_SYSMGMT_VECTOR] = PPC_EXC_CLASSIC | PPC_EXC_ASYNC,
[ASM_60X_ADDR_VECTOR] = PPC_EXC_CLASSIC,
[ASM_60X_ITM_VECTOR] = PPC_EXC_CLASSIC,
[ASM_60X_VEC_VECTOR] = PPC_EXC_CLASSIC,
[ASM_60X_VEC_ASSIST_VECTOR] = PPC_EXC_CLASSIC,
};
static const ppc_exc_categories mpc_860_category_table = {
PPC_BASIC_VECS,
[ASM_8XX_FLOATASSIST_VECTOR] = PPC_EXC_CLASSIC,
[ASM_8XX_SOFTEMUL_VECTOR] = PPC_EXC_CLASSIC,
[ASM_8XX_ITLBMISS_VECTOR] = PPC_EXC_CLASSIC,
[ASM_8XX_DTLBMISS_VECTOR] = PPC_EXC_CLASSIC,
[ASM_8XX_ITLBERROR_VECTOR] = PPC_EXC_CLASSIC,
[ASM_8XX_DTLBERROR_VECTOR] = PPC_EXC_CLASSIC,
[ASM_8XX_DBREAK_VECTOR] = PPC_EXC_CLASSIC,
[ASM_8XX_IBREAK_VECTOR] = PPC_EXC_CLASSIC,
[ASM_8XX_PERIFBREAK_VECTOR] = PPC_EXC_CLASSIC,
[ASM_8XX_DEVPORT_VECTOR] = PPC_EXC_CLASSIC,
};
static const ppc_exc_categories e300_category_table = {
[ASM_RESET_VECTOR] = PPC_EXC_CLASSIC,
[ASM_MACH_VECTOR] = PPC_EXC_CLASSIC,
[ASM_PROT_VECTOR] = PPC_EXC_CLASSIC,
[ASM_ISI_VECTOR] = PPC_EXC_CLASSIC,
[ASM_EXT_VECTOR] = PPC_EXC_CLASSIC | PPC_EXC_ASYNC,
[ASM_ALIGN_VECTOR] = PPC_EXC_CLASSIC,
[ASM_PROG_VECTOR] = PPC_EXC_CLASSIC,
[ASM_FLOAT_VECTOR] = PPC_EXC_NAKED,
[ASM_DEC_VECTOR] = PPC_EXC_CLASSIC | PPC_EXC_ASYNC,
[ASM_SYS_VECTOR] = PPC_EXC_CLASSIC,
[ASM_TRACE_VECTOR] = PPC_EXC_CLASSIC,
[ASM_E300_CRIT_VECTOR] = PPC_EXC_BOOKE_CRITICAL | PPC_EXC_ASYNC,
[ASM_E300_PERFMON_VECTOR] = PPC_EXC_CLASSIC,
[ASM_E300_IMISS_VECTOR] = PPC_EXC_CLASSIC,
[ASM_E300_DLMISS_VECTOR] = PPC_EXC_CLASSIC,
[ASM_E300_DSMISS_VECTOR] = PPC_EXC_CLASSIC,
[ASM_E300_ADDR_VECTOR] = PPC_EXC_CLASSIC,
[ASM_E300_SYSMGMT_VECTOR] = PPC_EXC_CLASSIC | PPC_EXC_ASYNC,
};
static const ppc_exc_categories e200_category_table = {
[ASM_BOOKE_CRIT_VECTOR] = PPC_EXC_BOOKE_CRITICAL | PPC_EXC_ASYNC,
[ASM_MACH_VECTOR] = PPC_EXC_BOOKE_CRITICAL,
[ASM_PROT_VECTOR] = PPC_EXC_CLASSIC,
[ASM_ISI_VECTOR] = PPC_EXC_CLASSIC,
[ASM_EXT_VECTOR] = PPC_EXC_CLASSIC | PPC_EXC_ASYNC,
[ASM_ALIGN_VECTOR] = PPC_EXC_CLASSIC,
[ASM_PROG_VECTOR] = PPC_EXC_CLASSIC,
[ASM_FLOAT_VECTOR] = PPC_EXC_CLASSIC,
[ASM_SYS_VECTOR] = PPC_EXC_CLASSIC,
[ASM_BOOKE_DEC_VECTOR] = PPC_EXC_CLASSIC | PPC_EXC_ASYNC,
[ASM_BOOKE_FIT_VECTOR] = PPC_EXC_CLASSIC | PPC_EXC_ASYNC,
[ASM_BOOKE_WDOG_VECTOR] = PPC_EXC_BOOKE_CRITICAL | PPC_EXC_ASYNC,
[ASM_BOOKE_DTLBMISS_VECTOR] = PPC_EXC_CLASSIC,
[ASM_BOOKE_ITLBMISS_VECTOR] = PPC_EXC_CLASSIC,
/* FIXME: Depending on HDI0 [DAPUEN] this is a critical or debug exception */
[ASM_BOOKE_DEBUG_VECTOR] = PPC_EXC_BOOKE_CRITICAL,
[ASM_E500_SPE_UNAVAILABLE_VECTOR] = PPC_EXC_CLASSIC,
[ASM_E500_EMB_FP_DATA_VECTOR] = PPC_EXC_CLASSIC,
[ASM_E500_EMB_FP_ROUND_VECTOR] = PPC_EXC_CLASSIC
};
static const ppc_exc_categories e500_category_table = {
[ASM_BOOKE_CRIT_VECTOR] = PPC_EXC_BOOKE_CRITICAL | PPC_EXC_ASYNC,
[ASM_MACH_VECTOR] = PPC_EXC_E500_MACHCHK,
[ASM_PROT_VECTOR] = PPC_EXC_CLASSIC,
[ASM_ISI_VECTOR] = PPC_EXC_CLASSIC,
[ASM_EXT_VECTOR] = PPC_EXC_CLASSIC | PPC_EXC_ASYNC,
[ASM_ALIGN_VECTOR] = PPC_EXC_CLASSIC,
[ASM_PROG_VECTOR] = PPC_EXC_CLASSIC,
[ASM_FLOAT_VECTOR] = PPC_EXC_CLASSIC,
[ASM_SYS_VECTOR] = PPC_EXC_CLASSIC,
[ASM_BOOKE_APU_VECTOR] = PPC_EXC_CLASSIC,
[ASM_BOOKE_DEC_VECTOR] = PPC_EXC_CLASSIC | PPC_EXC_ASYNC,
[ASM_BOOKE_FIT_VECTOR] = PPC_EXC_CLASSIC | PPC_EXC_ASYNC,
[ASM_BOOKE_WDOG_VECTOR] = PPC_EXC_BOOKE_CRITICAL | PPC_EXC_ASYNC,
[ASM_BOOKE_DTLBMISS_VECTOR] = PPC_EXC_CLASSIC,
[ASM_BOOKE_ITLBMISS_VECTOR] = PPC_EXC_CLASSIC,
[ASM_BOOKE_DEBUG_VECTOR] = PPC_EXC_BOOKE_CRITICAL,
[ASM_E500_SPE_UNAVAILABLE_VECTOR] = PPC_EXC_CLASSIC,
[ASM_E500_EMB_FP_DATA_VECTOR] = PPC_EXC_CLASSIC,
[ASM_E500_EMB_FP_ROUND_VECTOR] = PPC_EXC_CLASSIC,
[ASM_E500_PERFMON_VECTOR] = PPC_EXC_CLASSIC
};
static const ppc_exc_categories psim_category_table = {
PPC_BASIC_VECS_WO_SYS,
[ASM_60X_SYSMGMT_VECTOR] = PPC_EXC_CLASSIC | PPC_EXC_ASYNC,
[ASM_60X_IMISS_VECTOR] = PPC_EXC_CLASSIC,
[ASM_60X_DLMISS_VECTOR] = PPC_EXC_CLASSIC,
[ASM_60X_DSMISS_VECTOR] = PPC_EXC_CLASSIC,
[ASM_60X_ADDR_VECTOR] = PPC_EXC_CLASSIC,
[ASM_60X_VEC_VECTOR] = PPC_EXC_CLASSIC,
[ASM_60X_VEC_ASSIST_VECTOR] = PPC_EXC_CLASSIC,
};
const ppc_exc_categories *ppc_exc_categories_for_cpu(ppc_cpu_id_t cpu)
{
if (ppc_cpu_has_altivec()) {
switch (cpu) {
case PPC_7400:
return &mpc_750_altivec_category_table;
case PPC_7455:
case PPC_7457:
return &mpc_604_altivec_category_table;
default:
break;
}
}
switch (cpu) {
case PPC_7400:
case PPC_750:
return &mpc_750_category_table;
case PPC_7455:
case PPC_7457:
case PPC_604:
case PPC_604e:
case PPC_604r:
return &mpc_604_category_table;
case PPC_603:
case PPC_603e:
case PPC_603le:
case PPC_603ev:
/* case PPC_8240: same value as 8260 */
case PPC_8260:
case PPC_8245:
return &mpc_603_category_table;
case PPC_e300c1:
case PPC_e300c2:
case PPC_e300c3:
return &e300_category_table;
case PPC_PSIM:
return &psim_category_table;
case PPC_8540:
case PPC_e500v2:
return &e500_category_table;
case PPC_e200z0:
case PPC_e200z1:
case PPC_e200z4:
case PPC_e200z6:
case PPC_e200z7:
return &e200_category_table;
case PPC_5XX:
return &mpc_5xx_category_table;
case PPC_860:
return &mpc_860_category_table;
case PPC_405:
case PPC_405GP:
case PPC_405EX:
return &ppc_405_category_table;
case PPC_440:
return &ppc_booke_category_table;
default:
break;
}
return NULL;
}
ppc_exc_category ppc_exc_category_for_vector(const ppc_exc_categories *categories, unsigned vector)
{
if (vector <= LAST_VALID_EXC) {
return (*categories) [vector];
} else {
return PPC_EXC_INVALID;
}
}
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