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Diffstat (limited to 'c/src/exec/score/cpu/powerpc/ppc.h')
| -rw-r--r-- | c/src/exec/score/cpu/powerpc/ppc.h | 317 |
1 files changed, 317 insertions, 0 deletions
diff --git a/c/src/exec/score/cpu/powerpc/ppc.h b/c/src/exec/score/cpu/powerpc/ppc.h new file mode 100644 index 0000000000..76f3129c2e --- /dev/null +++ b/c/src/exec/score/cpu/powerpc/ppc.h @@ -0,0 +1,317 @@ +/* ppc.h + * + * This file contains definitions for the IBM/Motorola PowerPC + * family members. + * + * Author: Andrew Bray <andy@i-cubed.demon.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_cpu.h: + * + * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. + * On-Line Applications Research Corporation (OAR). + * + * This material may be reproduced by or for the U.S. Government pursuant + * to the copyright license under the clause at DFARS 252.227-7013. This + * notice must appear in all copies of this file and its derivatives. + * + * + * Note: + * This file is included by both C and assembler code ( -DASM ) + * + */ + +#ifndef _INCLUDE_PPC_h +#define _INCLUDE_PPC_h + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * The following define the CPU Family and Model within the family + * + * NOTE: The string "REPLACE_THIS_WITH_THE_CPU_MODEL" is replaced + * with the name of the appropriate macro for this target CPU. + */ + +#ifdef ppc +#undef ppc +#endif +#define ppc + +#ifdef REPLACE_THIS_WITH_THE_CPU_MODEL +#undef REPLACE_THIS_WITH_THE_CPU_MODEL +#endif +#define REPLACE_THIS_WITH_THE_CPU_MODEL + +#ifdef REPLACE_THIS_WITH_THE_BSP +#undef REPLACE_THIS_WITH_THE_BSP +#endif +#define REPLACE_THIS_WITH_THE_BSP + +/* + * This file contains the information required to build + * RTEMS for a particular member of the "no cpu" + * family when executing in protected mode. It does + * this by setting variables to indicate which implementation + * dependent features are present in a particular member + * of the family. + */ + +#if defined(ppc403) + +#define RTEMS_MODEL_NAME "PowerPC 403" + +#define PPC_ALIGNMENT 4 +#define PPC_CACHE_ALIGNMENT 16 +#define PPC_CACHE_ALIGN_POWER 4 +#define PPC_INTERRUPT_MAX 16 +#define PPC_HAS_FPU 0 +#define PPC_HAS_DOUBLE 0 +#define PPC_HAS_RFCI 1 +#define PPC_MSR_DISABLE_MASK 0x00029200 +#define PPC_MSR_INITIAL 0x00000000 +#define PPC_INIT_FPSCR 0x00000000 +#define PPC_USE_MULTIPLE 1 +#define PPC_I_CACHE 2048 +#define PPC_D_CACHE 1024 + +#define PPC_MSR_0 0x00029200 +#define PPC_MSR_1 0x00021200 +#define PPC_MSR_2 0x00001000 +#define PPC_MSR_3 0x00000000 + +#elif defined(ppc601) + +#define RTEMS_MODEL_NAME "PowerPC 601" + +#define PPC_ALIGNMENT 8 +#define PPC_CACHE_ALIGNMENT 32 +#define PPC_CACHE_ALIGN_POWER 5 +#define PPC_INTERRUPT_MAX 16 +#define PPC_HAS_FPU 1 +#define PPC_HAS_DOUBLE 1 +#define PPC_HAS_RFCI 0 +#define PPC_MSR_DISABLE_MASK 0x00009900 +#define PPC_MSR_INITIAL 0x00002000 +#define PPC_INIT_FPSCR 0x000000f8 +#define PPC_USE_MULTIPLE 1 +#define PPC_I_CACHE 0 +#define PPC_D_CACHE 32768 + +#define PPC_MSR_0 0x00009900 +#define PPC_MSR_1 0x00001000 +#define PPC_MSR_2 0x00001000 +#define PPC_MSR_3 0x00000000 + +#elif defined(ppc602) + +#define RTEMS_MODEL_NAME "PowerPC 602" + +#define PPC_ALIGNMENT 4 +#define PPC_CACHE_ALIGNMENT 32 +#define PPC_CACHE_ALIGN_POWER 5 +#define PPC_INTERRUPT_MAX 16 +#define PPC_HAS_FPU 1 +#define PPC_HAS_DOUBLE 0 +#define PPC_HAS_RFCI 0 +#define PPC_MSR_DISABLE_MASK +#define PPC_MSR_INITIAL +#define PPC_INIT_FPSCR +#define PPC_USE_MULTIPLE 0 +#define PPC_I_CACHE 4096 +#define PPC_D_CACHE 4096 + +#elif defined(ppc603) + +#define RTEMS_MODEL_NAME "PowerPC 603" + +#define PPC_ALIGNMENT 8 +#define PPC_CACHE_ALIGNMENT 32 +#define PPC_CACHE_ALIGN_POWER 5 +#define PPC_INTERRUPT_MAX 16 +#define PPC_HAS_FPU 1 +#define PPC_HAS_DOUBLE 1 +#define PPC_HAS_RFCI 0 +#define PPC_MSR_DISABLE_MASK 0x00009900 +#define PPC_MSR_INITIAL 0x00002000 +#define PPC_INIT_FPSCR 0x000000f8 +#define PPC_USE_MULTIPLE 0 +#define PPC_I_CACHE 8192 +#define PPC_D_CACHE 8192 + +#define PPC_MSR_0 0x00009900 +#define PPC_MSR_1 0x00001000 +#define PPC_MSR_2 0x00001000 +#define PPC_MSR_3 0x00000000 + +#elif defined(ppc603e) + +#define RTEMS_MODEL_NAME "PowerPC 603e" + +#define PPC_ALIGNMENT 8 +#define PPC_CACHE_ALIGNMENT 32 +#define PPC_CACHE_ALIGN_POWER 5 +#define PPC_INTERRUPT_MAX 16 +#define PPC_HAS_FPU 1 +#define PPC_HAS_DOUBLE 1 +#define PPC_HAS_RFCI 0 +#define PPC_MSR_DISABLE_MASK 0x00009900 +#define PPC_MSR_INITIAL 0x00002000 +#define PPC_INIT_FPSCR 0x000000f8 +#define PPC_USE_MULTIPLE 0 +#define PPC_I_CACHE 16384 +#define PPC_D_CACHE 16384 + +#define PPC_MSR_0 0x00009900 +#define PPC_MSR_1 0x00001000 +#define PPC_MSR_2 0x00001000 +#define PPC_MSR_3 0x00000000 + +#elif defined(ppc604) + +#define RTEMS_MODEL_NAME "PowerPC 604" + +#define PPC_ALIGNMENT 8 +#define PPC_CACHE_ALIGNMENT 32 +#define PPC_CACHE_ALIGN_POWER 5 +#define PPC_INTERRUPT_MAX 16 +#define PPC_HAS_FPU 1 +#define PPC_HAS_DOUBLE 1 +#define PPC_HAS_RFCI 0 +#define PPC_MSR_DISABLE_MASK 0x00009900 +#define PPC_MSR_INITIAL 0x00002000 +#define PPC_INIT_FPSCR 0x000000f8 +#define PPC_USE_MULTIPLE 0 +#define PPC_I_CACHE 16384 +#define PPC_D_CACHE 16384 + +#define PPC_MSR_0 0x00009900 +#define PPC_MSR_1 0x00001000 +#define PPC_MSR_2 0x00001000 +#define PPC_MSR_3 0x00000000 + +#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. + * Only PPC_ABI_ELF is currently fully supported. + */ +/* + * ELF assembler. Currently used for all ABIs. + */ +#define PPC_ASM_ELF 0 +/* + * XCOFF assembler, may be needed for PowerOpen ABI. + */ +#define PPC_ASM_XCOFF 1 + +/* + * Define the name of the CPU family. + */ + +#define CPU_NAME "PowerPC" + +/* + * Interrupt vectors. + */ +/* Machine check */ +#define PPC_IRQ_MCHECK 0 +/* Protection violation */ +#define PPC_IRQ_PROTECT 1 +/* External interrupt */ +#define PPC_IRQ_EXTERNAL 2 +/* Program exception */ +#define PPC_IRQ_PROGRAM 3 +/* System call */ +#define PPC_IRQ_SCALL 4 +/* Floating point unavailable */ +#define PPC_IRQ_NOFP 5 +/* Program interval timer */ +#define PPC_IRQ_PIT 6 +/* Fixed interval timer */ +#define PPC_IRQ_FIT 7 +/* Critical interrupt pin */ +#define PPC_IRQ_CRIT 8 +/* Watchdog timer */ +#define PPC_IRQ_WATCHDOG 9 +/* Debug exceptions */ +#define PPC_IRQ_DEBUG 10 + +/* + * 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. + */ + +#ifdef __cplusplus +} +#endif + +#endif /* ! _INCLUDE_PPC_h */ +/* end of include file */ |