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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [score/] [cpu/] [powerpc/] [shared/] [ppc.h] - Rev 173
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/* 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: ppc.h,v 1.2 2001-09-27 11:59:30 chris Exp $ */ #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(rtems_multilib) /* * Figure out all CPU Model Feature Flags based upon compiler * predefines. */ #define CPU_MODEL_NAME "rtems_multilib" #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_STANDARD #define PPC_HAS_EXCEPTION_PREFIX 0 #define PPC_HAS_EVPR 0 #define PPC_INTERRUPT_MAX 16 #define PPC_LOW_POWER_MODE PPC_LOW_POWER_MODE_STANDARD #define PPC_HAS_DOUBLE 0 #elif 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(mpc505) || defined(mpc509) /* * Submitted by Sergei Organov <osv@Javad.RU> as a patch against * 3.6.0 long after 4.0 was released. This is just an attempt * to get the setting correct. */ #define CPU_MODEL_NAME "PowerPC 505/509" #define PPC_ALIGNMENT 4 #define PPC_CACHE_ALIGNMENT 16 #define PPC_I_CACHE 4096 #define PPC_D_CACHE 0 #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(mpc604) /* * 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 /* * Default to the EABI used by current GNU tools */ #ifndef PPC_ABI #define PPC_ABI PPC_ABI_EABI #endif #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 /* * Default to the assembler format used by the current GNU tools. */ #ifndef PPC_ASM #define PPC_ASM PPC_ASM_ELF #endif /* * 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(mpc505) || defined(mpc509) #define PPC_IRQ_SOFTEMU (PPC_STD_IRQ_LAST+1) /* Software emulation. */ #define PPC_IRQ_DATA_BP (PPC_STD_IRQ_LAST+ 2) #define PPC_IRQ_INST_BP (PPC_STD_IRQ_LAST+ 3) #define PPC_IRQ_MEXT_BP (PPC_STD_IRQ_LAST+ 4) #define PPC_IRQ_NMEXT_BP (PPC_STD_IRQ_LAST+ 5) #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(mpc604) #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 */