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-rw-r--r--c/src/exec/score/cpu/powerpc/shared/Makefile.in77
-rw-r--r--c/src/exec/score/cpu/powerpc/shared/asm.h275
-rw-r--r--c/src/exec/score/cpu/powerpc/shared/ppc.h615
-rw-r--r--c/src/exec/score/cpu/powerpc/shared/ppctypes.h73
4 files changed, 1040 insertions, 0 deletions
diff --git a/c/src/exec/score/cpu/powerpc/shared/Makefile.in b/c/src/exec/score/cpu/powerpc/shared/Makefile.in
new file mode 100644
index 0000000000..1b6dd81aa4
--- /dev/null
+++ b/c/src/exec/score/cpu/powerpc/shared/Makefile.in
@@ -0,0 +1,77 @@
+#
+# $Id$
+#
+
+@SET_MAKE@
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+top_builddir = ../../../../../../..
+subdir = c/src/exec/score/cpu/powerpc/shared
+
+INSTALL = @INSTALL@
+
+RTEMS_ROOT = $(top_srcdir)/@RTEMS_TOPdir@
+PROJECT_ROOT = @PROJECT_ROOT@
+
+VPATH = @srcdir@
+
+RELS=
+
+# C source names, if any, go here -- minus the .c
+C_PIECES =
+C_FILES=$(C_PIECES:%=%.c)
+C_O_FILES=$(C_PIECES:%=${ARCH}/%.o)
+
+ROOT_H_PIECES = asm.h
+ROOT_H_FILES=$(ROOT_H_PIECES:%=$(srcdir)/%)
+RTEMS_SCORE_H_PIECES=ppc.h ppctypes.h
+RTEMS_SCORE_H_FILES=$(RTEMS_SCORE_H_PIECES:%=$(srcdir)/%)
+H_PIECES=$(ROOT_H_PIECES) $(RTEMS_SCORE_H_PIECES)
+H_FILES=$(H_PIECES%=$(srcdir)/%)
+
+# Assembly source names, if any, go here -- minus the .S
+S_PIECES =
+S_FILES=$(S_PIECES:%=%.S)
+S_O_FILES=$(S_FILES:%.S=${ARCH}/%.o)
+
+SRCS=$(C_FILES) $(CC_FILES) $(H_FILES) $(S_FILES) $(EXTERNAL_H_FILES)
+OBJS=$(C_O_FILES) $(CC_O_FILES) $(S_O_FILES)
+
+include $(RTEMS_ROOT)/make/custom/${RTEMS_BSP}.cfg
+include $(RTEMS_ROOT)/make/leaf.cfg
+
+#
+# (OPTIONAL) Add local stuff here using +=
+#
+
+DEFINES +=
+CPPFLAGS +=
+CFLAGS += $(CFLAGS_OS_V)
+
+LD_PATHS +=
+LD_LIBS +=
+LDFLAGS +=
+
+#
+# Add your list of files to delete here. The config files
+# already know how to delete some stuff, so you may want
+# to just run 'make clean' first to see what gets missed.
+# 'make clobber' already includes 'make clean'
+#
+
+CLEAN_ADDITIONS +=
+CLOBBER_ADDITIONS +=
+
+all:$(SRCS) preinstall
+
+# Install the program(s), appending _g or _p as appropriate.
+# for include files, just use $(INSTALL_CHANGE)
+install: all
+
+preinstall: ${ARCH}
+ $(INSTALL_CHANGE) -m 444 ${RTEMS_SCORE_H_FILES} $(PROJECT_INCLUDE)/rtems/score
+ $(INSTALL_CHANGE) -m 444 ${ROOT_H_FILES} $(PROJECT_INCLUDE)
+
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+ cd $(top_builddir) \
+ && CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status
diff --git a/c/src/exec/score/cpu/powerpc/shared/asm.h b/c/src/exec/score/cpu/powerpc/shared/asm.h
new file mode 100644
index 0000000000..af14c95665
--- /dev/null
+++ b/c/src/exec/score/cpu/powerpc/shared/asm.h
@@ -0,0 +1,275 @@
+/* asm.h
+ *
+ * This include file attempts to address the problems
+ * caused by incompatible flavors of assemblers and
+ * toolsets. It primarily addresses variations in the
+ * use of leading underscores on symbols and the requirement
+ * that register names be preceded by a %.
+ *
+ *
+ * NOTE: The spacing in the use of these macros
+ * is critical to them working as advertised.
+ *
+ * COPYRIGHT:
+ *
+ * This file is based on similar code found in newlib available
+ * from ftp.cygnus.com. The file which was used had no copyright
+ * notice. This file is freely distributable as long as the source
+ * of the file is noted. This file is:
+ *
+ * COPYRIGHT (c) 1995.
+ * i-cubed ltd.
+ *
+ * COPYRIGHT (c) 1994.
+ * On-Line Applications Research Corporation (OAR).
+ *
+ * $Id$
+ */
+
+#ifndef __PPC_ASM_h
+#define __PPC_ASM_h
+
+/*
+ * Indicate we are in an assembly file and get the basic CPU definitions.
+ */
+
+#ifndef ASM
+#define ASM
+#endif
+#include <rtems/score/targopts.h>
+#include <rtems/score/ppc.h>
+
+/*
+ * Recent versions of GNU cpp define variables which indicate the
+ * need for underscores and percents. If not using GNU cpp or
+ * the version does not support this, then you will obviously
+ * have to define these as appropriate.
+ */
+
+#ifndef __USER_LABEL_PREFIX__
+#define __USER_LABEL_PREFIX__
+#endif
+
+#ifndef __REGISTER_PREFIX__
+#define __REGISTER_PREFIX__
+#endif
+
+#ifndef __FLOAT_REGISTER_PREFIX__
+#define __FLOAT_REGISTER_PREFIX__ __REGISTER_PREFIX__
+#endif
+
+#if (PPC_ABI == PPC_ABI_POWEROPEN)
+#ifndef __PROC_LABEL_PREFIX__
+#define __PROC_LABEL_PREFIX__ .
+#endif
+#endif
+
+#ifndef __PROC_LABEL_PREFIX__
+#define __PROC_LABEL_PREFIX__ __USER_LABEL_PREFIX__
+#endif
+
+/* ANSI concatenation macros. */
+
+#define CONCAT1(a, b) CONCAT2(a, b)
+#define CONCAT2(a, b) a ## b
+
+/* Use the right prefix for global labels. */
+
+#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x)
+
+/* Use the right prefix for procedure labels. */
+
+#define PROC(x) CONCAT1 (__PROC_LABEL_PREFIX__, x)
+
+/* Use the right prefix for registers. */
+
+#define REG(x) CONCAT1 (__REGISTER_PREFIX__, x)
+
+/* Use the right prefix for floating point registers. */
+
+#define FREG(x) CONCAT1 (__FLOAT_REGISTER_PREFIX__, x)
+
+/*
+ * define macros for all of the registers on this CPU
+ *
+ * EXAMPLE: #define d0 REG (d0)
+ */
+#define r0 REG(0)
+#define r1 REG(1)
+#define r2 REG(2)
+#define r3 REG(3)
+#define r4 REG(4)
+#define r5 REG(5)
+#define r6 REG(6)
+#define r7 REG(7)
+#define r8 REG(8)
+#define r9 REG(9)
+#define r10 REG(10)
+#define r11 REG(11)
+#define r12 REG(12)
+#define r13 REG(13)
+#define r14 REG(14)
+#define r15 REG(15)
+#define r16 REG(16)
+#define r17 REG(17)
+#define r18 REG(18)
+#define r19 REG(19)
+#define r20 REG(20)
+#define r21 REG(21)
+#define r22 REG(22)
+#define r23 REG(23)
+#define r24 REG(24)
+#define r25 REG(25)
+#define r26 REG(26)
+#define r27 REG(27)
+#define r28 REG(28)
+#define r29 REG(29)
+#define r30 REG(30)
+#define r31 REG(31)
+#define f0 FREG(0)
+#define f1 FREG(1)
+#define f2 FREG(2)
+#define f3 FREG(3)
+#define f4 FREG(4)
+#define f5 FREG(5)
+#define f6 FREG(6)
+#define f7 FREG(7)
+#define f8 FREG(8)
+#define f9 FREG(9)
+#define f10 FREG(10)
+#define f11 FREG(11)
+#define f12 FREG(12)
+#define f13 FREG(13)
+#define f14 FREG(14)
+#define f15 FREG(15)
+#define f16 FREG(16)
+#define f17 FREG(17)
+#define f18 FREG(18)
+#define f19 FREG(19)
+#define f20 FREG(20)
+#define f21 FREG(21)
+#define f22 FREG(22)
+#define f23 FREG(23)
+#define f24 FREG(24)
+#define f25 FREG(25)
+#define f26 FREG(26)
+#define f27 FREG(27)
+#define f28 FREG(28)
+#define f29 FREG(29)
+#define f30 FREG(30)
+#define f31 FREG(31)
+
+/*
+ * Some special purpose registers (SPRs).
+ */
+#define srr0 0x01a
+#define srr1 0x01b
+#define srr2 0x3de /* IBM 400 series only */
+#define srr3 0x3df /* IBM 400 series only */
+#define sprg0 0x110
+#define sprg1 0x111
+#define sprg2 0x112
+#define sprg3 0x113
+
+
+/* the following SPR/DCR registers exist only in IBM 400 series */
+#define dear 0x3d5
+#define evpr 0x3d6 /* SPR: exception vector prefix register */
+#define iccr 0x3fb /* SPR: instruction cache control reg. */
+#define dccr 0x3fa /* SPR: data cache control reg. */
+
+#define exisr 0x040 /* DCR: external interrupt status register */
+#define exier 0x042 /* DCR: external interrupt enable register */
+#define br0 0x080 /* DCR: memory bank register 0 */
+#define br1 0x081 /* DCR: memory bank register 1 */
+#define br2 0x082 /* DCR: memory bank register 2 */
+#define br3 0x083 /* DCR: memory bank register 3 */
+#define br4 0x084 /* DCR: memory bank register 4 */
+#define br5 0x085 /* DCR: memory bank register 5 */
+#define br6 0x086 /* DCR: memory bank register 6 */
+#define br7 0x087 /* DCR: memory bank register 7 */
+/* end of IBM400 series register definitions */
+
+/* The following registers are for the MPC8x0 */
+#define der 0x095 /* Debug Enable Register */
+/* end of MPC8x0 registers */
+
+/*
+ * Following must be tailor for a particular flavor of the C compiler.
+ * They may need to put underscores in front of the symbols.
+ */
+
+#define PUBLIC_VAR(sym) .globl SYM (sym)
+#define EXTERN_VAR(sym) .extern SYM (sym)
+#define PUBLIC_PROC(sym) .globl PROC (sym)
+#define EXTERN_PROC(sym) .extern PROC (sym)
+
+/* Other potentially assembler specific operations */
+#if PPC_ASM == PPC_ASM_ELF
+#define ALIGN(n,p) .align p
+#define DESCRIPTOR(x) \
+ .section .descriptors,"aw"; \
+ PUBLIC_VAR (x); \
+SYM (x):; \
+ .long PROC (x); \
+ .long s.got; \
+ .long 0
+
+#define EXT_SYM_REF(x) .long x
+#define EXT_PROC_REF(x) .long x
+
+/*
+ * Define macros to handle section beginning and ends.
+ */
+
+#define BEGIN_CODE_DCL .text
+#define END_CODE_DCL
+#define BEGIN_DATA_DCL .data
+#define END_DATA_DCL
+#define BEGIN_CODE .text
+#define END_CODE
+#define BEGIN_DATA .data
+#define END_DATA
+#define BEGIN_BSS .bss
+#define END_BSS
+#define END
+
+#elif PPC_ASM == PPC_ASM_XCOFF
+#define ALIGN(n,p) .align p
+#define DESCRIPTOR(x) \
+ .csect x[DS]; \
+ .globl x[DS]; \
+ .long PROC (x)[PR]; \
+ .long TOC[tc0]
+
+#define EXT_SYM_REF(x) .long x[RW]
+#define EXT_PROC_REF(x) .long x[DS]
+
+/*
+ * Define macros to handle section beginning and ends.
+ */
+
+#define BEGIN_CODE_DCL .csect .text[PR]
+#define END_CODE_DCL
+#define BEGIN_DATA_DCL .csect .data[RW]
+#define END_DATA_DCL
+#define BEGIN_CODE .csect .text[PR]
+#define END_CODE
+#define BEGIN_DATA .csect .data[RW]
+#define END_DATA
+#define BEGIN_BSS .bss
+#define END_BSS
+#define END
+
+#else
+#error "PPC_ASM_TYPE is not properly defined"
+#endif
+#ifndef PPC_ASM
+#error "PPC_ASM_TYPE is not properly defined"
+#endif
+
+
+#endif
+/* end of include file */
+
+
diff --git a/c/src/exec/score/cpu/powerpc/shared/ppc.h b/c/src/exec/score/cpu/powerpc/shared/ppc.h
new file mode 100644
index 0000000000..27f8a4cfc1
--- /dev/null
+++ b/c/src/exec/score/cpu/powerpc/shared/ppc.h
@@ -0,0 +1,615 @@
+/* ppc.h
+ *
+ * This file contains definitions for the IBM/Motorola PowerPC
+ * family members.
+ *
+ * Author: Andrew Bray <andy@i-cubed.co.uk>
+ *
+ * COPYRIGHT (c) 1995 by i-cubed ltd.
+ *
+ * MPC860 support code was added by Jay Monkman <jmonkman@frasca.com>
+ *
+ * To anyone who acknowledges that this file is provided "AS IS"
+ * without any express or implied warranty:
+ * permission to use, copy, modify, and distribute this file
+ * for any purpose is hereby granted without fee, provided that
+ * the above copyright notice and this notice appears in all
+ * copies, and that the name of i-cubed limited not be used in
+ * advertising or publicity pertaining to distribution of the
+ * software without specific, written prior permission.
+ * i-cubed limited makes no representations about the suitability
+ * of this software for any purpose.
+ *
+ * Derived from c/src/exec/cpu/no_cpu/no_cpu.h:
+ *
+ * COPYRIGHT (c) 1989-1997.
+ * On-Line Applications Research Corporation (OAR).
+ *
+ * The license and distribution terms for this file may in
+ * the file LICENSE in this distribution or at
+ * http://www.OARcorp.com/rtems/license.html.
+ *
+ *
+ * Note:
+ * This file is included by both C and assembler code ( -DASM )
+ *
+ * $Id$
+ */
+
+
+#ifndef _INCLUDE_PPC_h
+#define _INCLUDE_PPC_h
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Define the name of the CPU family.
+ */
+
+#define CPU_NAME "PowerPC"
+
+/*
+ * This file contains the information required to build
+ * RTEMS for a particular member of the PowerPC family. It does
+ * this by setting variables to indicate which implementation
+ * dependent features are present in a particular member
+ * of the family.
+ *
+ * The following architectural feature definitions are defaulted
+ * unless specifically set by the model definition:
+ *
+ * + PPC_DEBUG_MODEL - PPC_DEBUG_MODEL_STANDARD
+ * + PPC_INTERRUPT_MAX - 16
+ * + PPC_CACHE_ALIGNMENT - 32
+ * + PPC_LOW_POWER_MODE - PPC_LOW_POWER_MODE_NONE
+ * + PPC_HAS_EXCEPTION_PREFIX - 1
+ * + PPC_HAS_FPU - 1
+ * + PPC_HAS_DOUBLE - 1 if PPC_HAS_FPU,
+ * - 0 otherwise
+ * + PPC_USE_MULTIPLE - 0
+ */
+
+/*
+ * Define the debugging assistance models found in the PPC family.
+ *
+ * Standard: single step and branch trace
+ * Single Step Only: single step only
+ * IBM 4xx: debug exception
+ */
+
+#define PPC_DEBUG_MODEL_STANDARD 1
+#define PPC_DEBUG_MODEL_SINGLE_STEP_ONLY 2
+#define PPC_DEBUG_MODEL_IBM4xx 3
+
+/*
+ * Define the low power mode models
+ *
+ * Standard: as defined for 603e
+ * Nap Mode: nap mode only (604)
+ * XXX 403GB, 603, 603e, 604, 821
+ */
+
+#define PPC_LOW_POWER_MODE_NONE 0
+#define PPC_LOW_POWER_MODE_STANDARD 1
+
+#if defined(ppc403)
+/*
+ * IBM 403
+ *
+ * Developed for 403GA. Book checked for 403GB.
+ *
+ * Does not have user mode.
+ */
+
+#define CPU_MODEL_NAME "PowerPC 403"
+#define PPC_ALIGNMENT 4
+#define PPC_CACHE_ALIGNMENT 16
+#define PPC_HAS_RFCI 1
+#define PPC_HAS_FPU 0
+#define PPC_USE_MULTIPLE 1
+#define PPC_I_CACHE 2048
+#define PPC_D_CACHE 1024
+
+#define PPC_DEBUG_MODEL PPC_DEBUG_MODEL_IBM4xx
+#define PPC_HAS_EXCEPTION_PREFIX 0
+#define PPC_HAS_EVPR 1
+
+#elif defined(ppc601)
+/*
+ * Submitted with original port -- book checked only.
+ */
+
+#define CPU_MODEL_NAME "PowerPC 601"
+
+#define PPC_ALIGNMENT 8
+#define PPC_USE_MULTIPLE 1
+#define PPC_I_CACHE 0
+#define PPC_D_CACHE 32768
+
+#define PPC_DEBUG_MODEL PPC_DEBUG_MODEL_SINGLE_STEP_ONLY
+
+#elif defined(ppc602)
+/*
+ * Submitted with original port -- book checked only.
+ */
+
+#define CPU_MODEL_NAME "PowerPC 602"
+
+#define PPC_ALIGNMENT 4
+#define PPC_HAS_DOUBLE 0
+#define PPC_I_CACHE 4096
+#define PPC_D_CACHE 4096
+
+#elif defined(ppc603)
+/*
+ * Submitted with original port -- book checked only.
+ */
+
+#define CPU_MODEL_NAME "PowerPC 603"
+
+#define PPC_ALIGNMENT 8
+#define PPC_I_CACHE 8192
+#define PPC_D_CACHE 8192
+
+#elif defined(ppc603e)
+
+#define CPU_MODEL_NAME "PowerPC 603e"
+/*
+ * Submitted with original port.
+ *
+ * Known to work on real hardware.
+ */
+
+#define PPC_ALIGNMENT 8
+#define PPC_I_CACHE 16384
+#define PPC_D_CACHE 16384
+
+#define PPC_LOW_POWER_MODE PPC_LOW_POWER_MODE_STANDARD
+
+#elif defined(ppc604)
+/*
+ * Submitted with original port -- book checked only.
+ */
+
+#define CPU_MODEL_NAME "PowerPC 604"
+
+#define PPC_ALIGNMENT 8
+#define PPC_I_CACHE 16384
+#define PPC_D_CACHE 16384
+
+#elif defined(mpc860)
+/*
+ * Added by Jay Monkman (jmonkman@frasca.com) 6/28/98
+ */
+#define CPU_MODEL_NAME "PowerPC MPC860"
+
+#define PPC_ALIGNMENT 4
+#define PPC_I_CACHE 4096
+#define PPC_D_CACHE 4096
+#define PPC_CACHE_ALIGNMENT 16
+#define PPC_INTERRUPT_MAX 71
+#define PPC_HAS_FPU 0
+#define PPC_HAS_DOUBLE 0
+#define PPC_USE_MULTIPLE 1
+#define PPC_USE_SPRG 1
+
+#define PPC_MSR_0 0x00009000
+#define PPC_MSR_1 0x00001000
+#define PPC_MSR_2 0x00001000
+#define PPC_MSR_3 0x00000000
+
+#elif defined(mpc821)
+/*
+ * Added by Andrew Bray <andy@chaos.org.uk> 6/April/1999
+ */
+#define CPU_MODEL_NAME "PowerPC MPC821"
+
+#define PPC_ALIGNMENT 4
+#define PPC_I_CACHE 4096
+#define PPC_D_CACHE 4096
+#define PPC_CACHE_ALIGNMENT 16
+#define PPC_INTERRUPT_MAX 71
+#define PPC_HAS_FPU 0
+#define PPC_HAS_DOUBLE 0
+
+#define PPC_MSR_0 0x00009000
+#define PPC_MSR_1 0x00001000
+#define PPC_MSR_2 0x00001000
+#define PPC_MSR_3 0x00000000
+
+#elif defined(mpc750)
+
+#define CPU_MODEL_NAME "PowerPC 750"
+
+#define PPC_ALIGNMENT 8
+#define PPC_I_CACHE 16384
+#define PPC_D_CACHE 16384
+
+#else
+
+#error "Unsupported CPU Model"
+
+#endif
+
+/*
+ * Application binary interfaces.
+ *
+ * PPC_ABI MUST be defined as one of these.
+ * Only PPC_ABI_POWEROPEN is currently fully supported.
+ * Only EABI will be supported in the end when
+ * the tools are there.
+ * Only big endian is currently supported.
+ */
+/*
+ * PowerOpen ABI. This is Andy's hack of the
+ * PowerOpen ABI to ELF. ELF rather than a
+ * XCOFF assembler is used. This may work
+ * if PPC_ASM == PPC_ASM_XCOFF is defined.
+ */
+#define PPC_ABI_POWEROPEN 0
+/*
+ * GCC 2.7.0 munched version of EABI, with
+ * PowerOpen calling convention and stack frames,
+ * but EABI style indirect function calls.
+ */
+#define PPC_ABI_GCC27 1
+/*
+ * SVR4 ABI
+ */
+#define PPC_ABI_SVR4 2
+/*
+ * Embedded ABI
+ */
+#define PPC_ABI_EABI 3
+
+#if (PPC_ABI == PPC_ABI_POWEROPEN)
+#define PPC_STACK_ALIGNMENT 8
+#elif (PPC_ABI == PPC_ABI_GCC27)
+#define PPC_STACK_ALIGNMENT 8
+#elif (PPC_ABI == PPC_ABI_SVR4)
+#define PPC_STACK_ALIGNMENT 16
+#elif (PPC_ABI == PPC_ABI_EABI)
+#define PPC_STACK_ALIGNMENT 8
+#else
+#error "PPC_ABI is not properly defined"
+#endif
+#ifndef PPC_ABI
+#error "PPC_ABI is not properly defined"
+#endif
+
+/*
+ * Assemblers.
+ * PPC_ASM MUST be defined as one of these.
+ *
+ * PPC_ASM_ELF: ELF assembler. Currently used for all ABIs.
+ * PPC_ASM_XCOFF: XCOFF assembler. May be needed for PowerOpen ABI.
+ *
+ * NOTE: Only PPC_ABI_ELF is currently fully supported.
+ */
+
+#define PPC_ASM_ELF 0
+#define PPC_ASM_XCOFF 1
+
+/*
+ * Use the default debug scheme defined in the architectural specification
+ * if another model has not been specified.
+ */
+
+#ifndef PPC_DEBUG_MODEL
+#define PPC_DEBUG_MODEL PPC_DEBUG_MODEL_STANDARD
+#endif
+
+/*
+ * If the maximum number of exception sources has not been defined,
+ * then default it to 16.
+ */
+
+#ifndef PPC_INTERRUPT_MAX
+#define PPC_INTERRUPT_MAX 16
+#endif
+
+/*
+ * Unless specified otherwise, the cache line size is defaulted to 32.
+ *
+ * The derive the power of 2 the cache line is.
+ */
+
+#ifndef PPC_CACHE_ALIGNMENT
+#define PPC_CACHE_ALIGNMENT 32
+#endif
+
+#if (PPC_CACHE_ALIGNMENT == 16)
+#define PPC_CACHE_ALIGN_POWER 4
+#elif (PPC_CACHE_ALIGNMENT == 32)
+#define PPC_CACHE_ALIGN_POWER 5
+#else
+#error "Undefined power of 2 for PPC_CACHE_ALIGNMENT"
+#endif
+
+/*
+ * Unless otherwise specified, assume the model has an IP/EP bit to
+ * set the exception address prefix.
+ */
+
+#ifndef PPC_HAS_EXCEPTION_PREFIX
+#define PPC_HAS_EXCEPTION_PREFIX 1
+#endif
+
+/*
+ * Unless otherwise specified, assume the model does NOT have
+ * 403 style EVPR register to set the exception address prefix.
+ */
+
+#ifndef PPC_HAS_EVPR
+#define PPC_HAS_EVPR 0
+#endif
+
+/*
+ * If no low power mode model was specified, then assume there is none.
+ */
+
+#ifndef PPC_LOW_POWER_MODE
+#define PPC_LOW_POWER_MODE PPC_LOW_POWER_MODE_NONE
+#endif
+
+/*
+ * Unless specified above, then assume the model has FP support.
+ */
+
+#ifndef PPC_HAS_FPU
+#define PPC_HAS_FPU 1
+#endif
+
+/*
+ * Unless specified above, If the model has FP support, it is assumed to
+ * support doubles (8-byte floating point numbers).
+ *
+ * If the model does NOT have FP support, then the model does
+ * NOT have double length FP registers.
+ */
+
+#ifndef PPC_HAS_DOUBLE
+#if (PPC_HAS_FPU)
+#define PPC_HAS_DOUBLE 1
+#else
+#define PPC_HAS_DOUBLE 0
+#endif
+#endif
+
+/*
+ * Unless specified above, then assume the model does NOT have critical
+ * interrupt support.
+ */
+
+#ifndef PPC_HAS_RFCI
+#define PPC_HAS_RFCI 0
+#endif
+
+/*
+ * Unless specified above, do not use the load/store multiple instructions
+ * in a context switch.
+ */
+
+#ifndef PPC_USE_MULTIPLE
+#define PPC_USE_MULTIPLE 0
+#endif
+
+/*
+ * The following exceptions are not maskable, and are not
+ * necessarily predictable, so cannot be offered to RTEMS:
+ * Alignment exception - handled by the CPU module
+ * Data exceptions.
+ * Instruction exceptions.
+ */
+
+/*
+ * Base Interrupt vectors supported on all models.
+ */
+#define PPC_IRQ_SYSTEM_RESET 0 /* 0x00100 - System reset. */
+#define PPC_IRQ_MCHECK 1 /* 0x00200 - Machine check */
+#define PPC_IRQ_PROTECT 2 /* 0x00300 - Protection violation */
+#define PPC_IRQ_ISI 3 /* 0x00400 - Instruction Fetch error */
+#define PPC_IRQ_EXTERNAL 4 /* 0x00500 - External interrupt */
+#define PPC_IRQ_ALIGNMENT 5 /* 0X00600 - Alignment exception */
+#define PPC_IRQ_PROGRAM 6 /* 0x00700 - Program exception */
+#define PPC_IRQ_NOFP 7 /* 0x00800 - Floating point unavailable */
+#define PPC_IRQ_DECREMENTER 8 /* 0x00900 - Decrementer interrupt */
+#define PPC_IRQ_RESERVED_A 9 /* 0x00a00 - Implementation Reserved */
+#define PPC_IRQ_RESERVED_B 10 /* 0x00a00 - Implementation Reserved */
+#define PPC_IRQ_SCALL 11 /* 0x00c00 - System call */
+#define PPC_IRQ_TRACE 12 /* 0x00d00 - Trace Exception */
+#define PPC_IRQ_FP_ASST 13 /* ox00e00 - Floating point assist */
+#define PPC_STD_IRQ_LAST PPC_IRQ_FP_ASST
+
+#define PPC_IRQ_FIRST PPC_IRQ_SYSTEM_RESET
+
+#if defined(ppc403)
+
+#define PPC_IRQ_CRIT PPC_IRQ_SYSTEM_RESET /*0x00100- Critical int. pin */
+#define PPC_IRQ_PIT (PPC_STD_IRQ_LAST+1) /*0x01000- Pgm interval timer*/
+#define PPC_IRQ_FIT (PPC_STD_IRQ_LAST+2) /*0x01010- Fixed int. timer */
+#define PPC_IRQ_WATCHDOG (PPC_STD_IRQ_LAST+3) /*0x01020- Watchdog timer */
+#define PPC_IRQ_DEBUG (PPC_STD_IRQ_LAST+4) /*0x02000- Debug exceptions */
+#define PPC_IRQ_LAST PPC_IRQ_DEBUG
+
+#elif defined(ppc601)
+#define PPC_IRQ_TRACE (PPC_STD_IRQ_LAST+1) /*0x02000-Run/Trace Exception*/
+#define PPC_IRQ_LAST PPC_IRQ_TRACE
+
+#elif defined(ppc602)
+#define PPC_IRQ_LAST (PPC_STD_IRQ_LAST)
+
+#elif defined(ppc603)
+#define PPC_IRQ_TRANS_MISS (PPC_STD_IRQ_LAST+1) /*0x1000-Ins Translation Miss*/
+#define PPC_IRQ_DATA_LOAD (PPC_STD_IRQ_LAST+2) /*0x1100-Data Load Trans Miss*/
+#define PPC_IRQ_DATA_STORE (PPC_STD_IRQ_LAST+3) /*0x1200-Data Store Miss */
+#define PPC_IRQ_ADDR_BRK (PPC_STD_IRQ_LAST+4) /*0x1300-Instruction Bkpoint */
+#define PPC_IRQ_SYS_MGT (PPC_STD_IRQ_LAST+5) /*0x1400-System Management */
+#define PPC_IRQ_LAST PPC_IRQ_SYS_MGT
+
+#elif defined(ppc603e)
+#define PPC_TLB_INST_MISS (PPC_STD_IRQ_LAST+1) /*0x1000-Instruction TLB Miss*/
+#define PPC_TLB_LOAD_MISS (PPC_STD_IRQ_LAST+2) /*0x1100-TLB miss on load */
+#define PPC_TLB_STORE_MISS (PPC_STD_IRQ_LAST+3) /*0x1200-TLB Miss on store */
+#define PPC_IRQ_ADDRBRK (PPC_STD_IRQ_LAST+4) /*0x1300-Instruct addr break */
+#define PPC_IRQ_SYS_MGT (PPC_STD_IRQ_LAST+5) /*0x1400-System Management */
+#define PPC_IRQ_LAST PPC_IRQ_SYS_MGT
+
+
+#elif defined(ppc604)
+#define PPC_IRQ_ADDR_BRK (PPC_STD_IRQ_LAST+1) /*0x1300- Inst. addr break */
+#define PPC_IRQ_SYS_MGT (PPC_STD_IRQ_LAST+2) /*0x1400- System Management */
+#define PPC_IRQ_LAST PPC_IRQ_SYS_MGT
+
+#elif defined(mpc860) || defined(mpc821)
+#define PPC_IRQ_EMULATE (PPC_STD_IRQ_LAST+1) /*0x1000-Software emulation */
+#define PPC_IRQ_INST_MISS (PPC_STD_IRQ_LAST+2) /*0x1100-Instruction TLB miss*/
+#define PPC_IRQ_DATA_MISS (PPC_STD_IRQ_LAST+3) /*0x1200-Data TLB miss */
+#define PPC_IRQ_INST_ERR (PPC_STD_IRQ_LAST+4) /*0x1300-Instruction TLB err */
+#define PPC_IRQ_DATA_ERR (PPC_STD_IRQ_LAST+5) /*0x1400-Data TLB error */
+#define PPC_IRQ_DATA_BPNT (PPC_STD_IRQ_LAST+6) /*0x1C00-Data breakpoint */
+#define PPC_IRQ_INST_BPNT (PPC_STD_IRQ_LAST+7) /*0x1D00-Inst breakpoint */
+#define PPC_IRQ_IO_BPNT (PPC_STD_IRQ_LAST+8) /*0x1E00-Peripheral breakpnt */
+#define PPC_IRQ_DEV_PORT (PPC_STD_IRQ_LAST+9) /*0x1F00-Development port */
+#define PPC_IRQ_IRQ0 (PPC_STD_IRQ_LAST + 10)
+#define PPC_IRQ_LVL0 (PPC_STD_IRQ_LAST + 11)
+#define PPC_IRQ_IRQ1 (PPC_STD_IRQ_LAST + 12)
+#define PPC_IRQ_LVL1 (PPC_STD_IRQ_LAST + 13)
+#define PPC_IRQ_IRQ2 (PPC_STD_IRQ_LAST + 14)
+#define PPC_IRQ_LVL2 (PPC_STD_IRQ_LAST + 15)
+#define PPC_IRQ_IRQ3 (PPC_STD_IRQ_LAST + 16)
+#define PPC_IRQ_LVL3 (PPC_STD_IRQ_LAST + 17)
+#define PPC_IRQ_IRQ4 (PPC_STD_IRQ_LAST + 18)
+#define PPC_IRQ_LVL4 (PPC_STD_IRQ_LAST + 19)
+#define PPC_IRQ_IRQ5 (PPC_STD_IRQ_LAST + 20)
+#define PPC_IRQ_LVL5 (PPC_STD_IRQ_LAST + 21)
+#define PPC_IRQ_IRQ6 (PPC_STD_IRQ_LAST + 22)
+#define PPC_IRQ_LVL6 (PPC_STD_IRQ_LAST + 23)
+#define PPC_IRQ_IRQ7 (PPC_STD_IRQ_LAST + 24)
+#define PPC_IRQ_LVL7 (PPC_STD_IRQ_LAST + 25)
+#define PPC_IRQ_CPM_RESERVED_0 (PPC_STD_IRQ_LAST + 26)
+#define PPC_IRQ_CPM_PC4 (PPC_STD_IRQ_LAST + 27)
+#define PPC_IRQ_CPM_PC5 (PPC_STD_IRQ_LAST + 28)
+#define PPC_IRQ_CPM_SMC2 (PPC_STD_IRQ_LAST + 29)
+#define PPC_IRQ_CPM_SMC1 (PPC_STD_IRQ_LAST + 30)
+#define PPC_IRQ_CPM_SPI (PPC_STD_IRQ_LAST + 31)
+#define PPC_IRQ_CPM_PC6 (PPC_STD_IRQ_LAST + 32)
+#define PPC_IRQ_CPM_TIMER4 (PPC_STD_IRQ_LAST + 33)
+#define PPC_IRQ_CPM_RESERVED_8 (PPC_STD_IRQ_LAST + 34)
+#define PPC_IRQ_CPM_PC7 (PPC_STD_IRQ_LAST + 35)
+#define PPC_IRQ_CPM_PC8 (PPC_STD_IRQ_LAST + 36)
+#define PPC_IRQ_CPM_PC9 (PPC_STD_IRQ_LAST + 37)
+#define PPC_IRQ_CPM_TIMER3 (PPC_STD_IRQ_LAST + 38)
+#define PPC_IRQ_CPM_RESERVED_D (PPC_STD_IRQ_LAST + 39)
+#define PPC_IRQ_CPM_PC10 (PPC_STD_IRQ_LAST + 40)
+#define PPC_IRQ_CPM_PC11 (PPC_STD_IRQ_LAST + 41)
+#define PPC_IRQ_CPM_I2C (PPC_STD_IRQ_LAST + 42)
+#define PPC_IRQ_CPM_RISC_TIMER (PPC_STD_IRQ_LAST + 43)
+#define PPC_IRQ_CPM_TIMER2 (PPC_STD_IRQ_LAST + 44)
+#define PPC_IRQ_CPM_RESERVED_13 (PPC_STD_IRQ_LAST + 45)
+#define PPC_IRQ_CPM_IDMA2 (PPC_STD_IRQ_LAST + 46)
+#define PPC_IRQ_CPM_IDMA1 (PPC_STD_IRQ_LAST + 47)
+#define PPC_IRQ_CPM_SDMA_ERROR (PPC_STD_IRQ_LAST + 48)
+#define PPC_IRQ_CPM_PC12 (PPC_STD_IRQ_LAST + 49)
+#define PPC_IRQ_CPM_PC13 (PPC_STD_IRQ_LAST + 50)
+#define PPC_IRQ_CPM_TIMER1 (PPC_STD_IRQ_LAST + 51)
+#define PPC_IRQ_CPM_PC14 (PPC_STD_IRQ_LAST + 52)
+#define PPC_IRQ_CPM_SCC4 (PPC_STD_IRQ_LAST + 53)
+#define PPC_IRQ_CPM_SCC3 (PPC_STD_IRQ_LAST + 54)
+#define PPC_IRQ_CPM_SCC2 (PPC_STD_IRQ_LAST + 55)
+#define PPC_IRQ_CPM_SCC1 (PPC_STD_IRQ_LAST + 56)
+#define PPC_IRQ_CPM_PC15 (PPC_STD_IRQ_LAST + 57)
+
+#define PPC_IRQ_LAST PPC_IRQ_CPM_PC15
+
+#endif
+
+/*
+ * If the maximum number of exception sources is too low,
+ * then fix it
+ */
+
+#if PPC_INTERRUPT_MAX <= PPC_IRQ_LAST
+#undef PPC_INTERRUPT_MAX
+#define PPC_INTERRUPT_MAX ((PPC_IRQ_LAST) + 1)
+#endif
+
+/*
+ * Machine Status Register (MSR) Constants Used by RTEMS
+ */
+
+/*
+ * Some PPC model manuals refer to the Exception Prefix (EP) bit as
+ * IP for no apparent reason.
+ */
+
+#define PPC_MSR_RI 0x000000002 /* bit 30 - recoverable exception */
+#define PPC_MSR_DR 0x000000010 /* bit 27 - data address translation */
+#define PPC_MSR_IR 0x000000020 /* bit 26 - instruction addr translation*/
+
+#if (PPC_HAS_EXCEPTION_PREFIX)
+#define PPC_MSR_EP 0x000000040 /* bit 25 - exception prefix */
+#else
+#define PPC_MSR_EP 0x000000000 /* bit 25 - exception prefix */
+#endif
+
+#if (PPC_HAS_FPU)
+#define PPC_MSR_FP 0x000002000 /* bit 18 - floating point enable */
+#else
+#define PPC_MSR_FP 0x000000000 /* bit 18 - floating point enable */
+#endif
+
+#if (PPC_LOW_POWER_MODE == PPC_LOW_POWER_MODE_NONE)
+#define PPC_MSR_POW 0x000000000 /* bit 13 - power management enable */
+#else
+#define PPC_MSR_POW 0x000040000 /* bit 13 - power management enable */
+#endif
+
+/*
+ * Interrupt/exception MSR bits set as defined on p. 2-20 in "The Programming
+ * Environments" and the manuals for various PPC models.
+ */
+
+#if (PPC_DEBUG_MODEL == PPC_DEBUG_MODEL_STANDARD)
+#define PPC_MSR_DE 0x000000000 /* bit 22 - debug exception enable */
+#define PPC_MSR_BE 0x000000200 /* bit 22 - branch trace enable */
+#define PPC_MSR_SE 0x000000400 /* bit 21 - single step trace enable */
+#elif (PPC_DEBUG_MODEL == PPC_DEBUG_MODEL_SINGLE_STEP_ONLY)
+#define PPC_MSR_DE 0x000000000 /* bit 22 - debug exception enable */
+#define PPC_MSR_BE 0x000000200 /* bit 22 - branch trace enable */
+#define PPC_MSR_SE 0x000000000 /* bit 21 - single step trace enable */
+#elif (PPC_DEBUG_MODEL == PPC_DEBUG_MODEL_IBM4xx)
+#define PPC_MSR_DE 0x000000200 /* bit 22 - debug exception enable */
+#define PPC_MSR_BE 0x000000000 /* bit 22 - branch trace enable */
+#define PPC_MSR_SE 0x000000000 /* bit 21 - single step trace enable */
+#else
+#error "MSR constants -- unknown PPC_DEBUG_MODEL!!"
+#endif
+
+#define PPC_MSR_ME 0x000001000 /* bit 19 - machine check enable */
+#define PPC_MSR_EE 0x000008000 /* bit 16 - external interrupt enable */
+
+#if (PPC_HAS_RFCI)
+#define PPC_MSR_CE 0x000020000 /* bit 14 - critical interrupt enable */
+#else
+#define PPC_MSR_CE 0x000000000 /* bit 14 - critical interrupt enable */
+#endif
+
+#define PPC_MSR_DISABLE_MASK (PPC_MSR_ME|PPC_MSR_EE|PPC_MSR_CE)
+
+/*
+ * Initial value for the FPSCR register
+ */
+
+#define PPC_INIT_FPSCR 0x000000f8
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! _INCLUDE_PPC_h */
+/* end of include file */
+
+
diff --git a/c/src/exec/score/cpu/powerpc/shared/ppctypes.h b/c/src/exec/score/cpu/powerpc/shared/ppctypes.h
new file mode 100644
index 0000000000..62bdb35d10
--- /dev/null
+++ b/c/src/exec/score/cpu/powerpc/shared/ppctypes.h
@@ -0,0 +1,73 @@
+/* ppctypes.h
+ *
+ * This include file contains type definitions pertaining to the PowerPC
+ * processor family.
+ *
+ * Author: Andrew Bray <andy@i-cubed.co.uk>
+ *
+ * COPYRIGHT (c) 1995 by i-cubed ltd.
+ *
+ * To anyone who acknowledges that this file is provided "AS IS"
+ * without any express or implied warranty:
+ * permission to use, copy, modify, and distribute this file
+ * for any purpose is hereby granted without fee, provided that
+ * the above copyright notice and this notice appears in all
+ * copies, and that the name of i-cubed limited not be used in
+ * advertising or publicity pertaining to distribution of the
+ * software without specific, written prior permission.
+ * i-cubed limited makes no representations about the suitability
+ * of this software for any purpose.
+ *
+ * Derived from c/src/exec/cpu/no_cpu/no_cputypes.h:
+ *
+ * COPYRIGHT (c) 1989-1997.
+ * On-Line Applications Research Corporation (OAR).
+ * Copyright assigned to U.S. Government, 1994.
+ *
+ * The license and distribution terms for this file may in
+ * the file LICENSE in this distribution or at
+ * http://www.OARcorp.com/rtems/license.html.
+ *
+ * $Id$
+ */
+
+#ifndef __PPC_TYPES_h
+#define __PPC_TYPES_h
+
+#ifndef ASM
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * This section defines the basic types for this processor.
+ */
+
+typedef unsigned char unsigned8; /* unsigned 8-bit integer */
+typedef unsigned short unsigned16; /* unsigned 16-bit integer */
+typedef unsigned int unsigned32; /* unsigned 32-bit integer */
+typedef unsigned long long unsigned64; /* unsigned 64-bit integer */
+
+typedef unsigned32 Priority_Bit_map_control;
+
+typedef signed char signed8; /* 8-bit signed integer */
+typedef signed short signed16; /* 16-bit signed integer */
+typedef signed int signed32; /* 32-bit signed integer */
+typedef signed long long signed64; /* 64 bit signed integer */
+
+typedef unsigned32 boolean; /* Boolean value */
+
+typedef float single_precision; /* single precision float */
+typedef double double_precision; /* double precision float */
+
+typedef void ppc_isr;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* !ASM */
+
+#endif
+/* end of include file */