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-rw-r--r--bsps/powerpc/shared/exceptions/ppc_exc_categories.c325
1 files changed, 325 insertions, 0 deletions
diff --git a/bsps/powerpc/shared/exceptions/ppc_exc_categories.c b/bsps/powerpc/shared/exceptions/ppc_exc_categories.c
new file mode 100644
index 0000000000..46508abcdf
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+++ b/bsps/powerpc/shared/exceptions/ppc_exc_categories.c
@@ -0,0 +1,325 @@
+/**
+ * @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.org/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_PERFMON_VECTOR] = PPC_EXC_CLASSIC,
+ [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:
+ case PPC_750_IBM:
+ 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:
+ case PPC_e6500:
+ 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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