diff options
Diffstat (limited to 'c/src/exec/score/cpu/powerpc')
-rw-r--r-- | c/src/exec/score/cpu/powerpc/Makefile.in | 65 | ||||
-rw-r--r-- | c/src/exec/score/cpu/powerpc/cpu.h | 1147 | ||||
-rw-r--r-- | c/src/exec/score/cpu/powerpc/ppc.h | 569 | ||||
-rw-r--r-- | c/src/exec/score/cpu/powerpc/ppctypes.h | 74 |
4 files changed, 2 insertions, 1853 deletions
diff --git a/c/src/exec/score/cpu/powerpc/Makefile.in b/c/src/exec/score/cpu/powerpc/Makefile.in index c4f04ccc9a..94424f094e 100644 --- a/c/src/exec/score/cpu/powerpc/Makefile.in +++ b/c/src/exec/score/cpu/powerpc/Makefile.in @@ -8,68 +8,7 @@ VPATH = @srcdir@ RTEMS_ROOT = @top_srcdir@ PROJECT_ROOT = @PROJECT_ROOT@ -RELS=$(ARCH)/rtems-cpu.rel - -# C source names, if any, go here -- minus the .c -# Normally cpu_asm and rtems are assembly files -C_PIECES=cpu ppccache -C_FILES=$(C_PIECES:%=%.c) -C_O_FILES=$(C_PIECES:%=${ARCH}/%.o) - -H_FILES=$(srcdir)/cpu.h $(srcdir)/ppc.h $(srcdir)/ppctypes.h - -# H_FILES that get installed externally -EXTERNAL_H_FILES = $(srcdir)/asm.h $(srcdir)/mpc860.h - -# Assembly source names, if any, go here -- minus the .S -# Normally cpu_asm and rtems are assembly files -S_PIECES=cpu_asm rtems -S_FILES=$(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: ${ARCH} $(SRCS) preinstall $(OBJS) $(RELS) - -$(ARCH)/rtems-cpu.rel: $(OBJS) - $(make-rel) - -$(ARCH)/cpu_asm.o: irq_stub.s - -# Install the program(s), appending _g or _p as appropriate. -# for include files, just use $(INSTALL) -install: all - -preinstall: $(ARCH) - $(INSTALL) -m 444 ${H_FILES} $(PROJECT_INCLUDE)/rtems/score -# we will share the basic cpu file - $(INSTALL) -m 444 ${EXTERNAL_H_FILES} $(PROJECT_INCLUDE) -# make a link in case we are not compiling in the source directory - #test -f irq_stub.s || $(LN) -s $(srcdir)/irq_stub.s irq_stub.s +include $(RTEMS_ROOT)/make/directory.cfg +SUB_DIRS = rtems wrap diff --git a/c/src/exec/score/cpu/powerpc/cpu.h b/c/src/exec/score/cpu/powerpc/cpu.h deleted file mode 100644 index 42d1b59bcd..0000000000 --- a/c/src/exec/score/cpu/powerpc/cpu.h +++ /dev/null @@ -1,1147 +0,0 @@ -/* cpu.h - * - * This include file contains information pertaining to the PowerPC - * processor. - * - * 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/cpu.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 __CPU_h -#define __CPU_h - -#ifdef __cplusplus -extern "C" { -#endif - -#include <rtems/score/ppc.h> /* pick up machine definitions */ -#ifndef ASM -struct CPU_Interrupt_frame; - -#include <rtems/score/ppctypes.h> -#endif - -/* conditional compilation parameters */ - -/* - * Should the calls to _Thread_Enable_dispatch be inlined? - * - * If TRUE, then they are inlined. - * If FALSE, then a subroutine call is made. - * - * Basically this is an example of the classic trade-off of size - * versus speed. Inlining the call (TRUE) typically increases the - * size of RTEMS while speeding up the enabling of dispatching. - * [NOTE: In general, the _Thread_Dispatch_disable_level will - * only be 0 or 1 unless you are in an interrupt handler and that - * interrupt handler invokes the executive.] When not inlined - * something calls _Thread_Enable_dispatch which in turns calls - * _Thread_Dispatch. If the enable dispatch is inlined, then - * one subroutine call is avoided entirely.] - */ - -#define CPU_INLINE_ENABLE_DISPATCH FALSE - -/* - * Should the body of the search loops in _Thread_queue_Enqueue_priority - * be unrolled one time? In unrolled each iteration of the loop examines - * two "nodes" on the chain being searched. Otherwise, only one node - * is examined per iteration. - * - * If TRUE, then the loops are unrolled. - * If FALSE, then the loops are not unrolled. - * - * The primary factor in making this decision is the cost of disabling - * and enabling interrupts (_ISR_Flash) versus the cost of rest of the - * body of the loop. On some CPUs, the flash is more expensive than - * one iteration of the loop body. In this case, it might be desirable - * to unroll the loop. It is important to note that on some CPUs, this - * code is the longest interrupt disable period in RTEMS. So it is - * necessary to strike a balance when setting this parameter. - */ - -#define CPU_UNROLL_ENQUEUE_PRIORITY FALSE - -/* - * Does RTEMS manage a dedicated interrupt stack in software? - * - * If TRUE, then a stack is allocated in _Interrupt_Manager_initialization. - * If FALSE, nothing is done. - * - * If the CPU supports a dedicated interrupt stack in hardware, - * then it is generally the responsibility of the BSP to allocate it - * and set it up. - * - * If the CPU does not support a dedicated interrupt stack, then - * the porter has two options: (1) execute interrupts on the - * stack of the interrupted task, and (2) have RTEMS manage a dedicated - * interrupt stack. - * - * If this is TRUE, CPU_ALLOCATE_INTERRUPT_STACK should also be TRUE. - * - * Only one of CPU_HAS_SOFTWARE_INTERRUPT_STACK and - * CPU_HAS_HARDWARE_INTERRUPT_STACK should be set to TRUE. It is - * possible that both are FALSE for a particular CPU. Although it - * is unclear what that would imply about the interrupt processing - * procedure on that CPU. - */ - -#define CPU_HAS_SOFTWARE_INTERRUPT_STACK FALSE - -/* - * Does this CPU have hardware support for a dedicated interrupt stack? - * - * If TRUE, then it must be installed during initialization. - * If FALSE, then no installation is performed. - * - * If this is TRUE, CPU_ALLOCATE_INTERRUPT_STACK should also be TRUE. - * - * Only one of CPU_HAS_SOFTWARE_INTERRUPT_STACK and - * CPU_HAS_HARDWARE_INTERRUPT_STACK should be set to TRUE. It is - * possible that both are FALSE for a particular CPU. Although it - * is unclear what that would imply about the interrupt processing - * procedure on that CPU. - */ - -/* - * ACB: This is a lie, but it gets us a handle on a call to set up - * a variable derived from the top of the interrupt stack. - */ - -#define CPU_HAS_HARDWARE_INTERRUPT_STACK TRUE - -/* - * Does RTEMS allocate a dedicated interrupt stack in the Interrupt Manager? - * - * If TRUE, then the memory is allocated during initialization. - * If FALSE, then the memory is allocated during initialization. - * - * This should be TRUE is CPU_HAS_SOFTWARE_INTERRUPT_STACK is TRUE - * or CPU_INSTALL_HARDWARE_INTERRUPT_STACK is TRUE. - */ - -#define CPU_ALLOCATE_INTERRUPT_STACK TRUE - -/* - * Does the RTEMS invoke the user's ISR with the vector number and - * a pointer to the saved interrupt frame (1) or just the vector - * number (0)? - */ - -#define CPU_ISR_PASSES_FRAME_POINTER 1 - -/* - * Does the CPU have hardware floating point? - * - * If TRUE, then the RTEMS_FLOATING_POINT task attribute is supported. - * If FALSE, then the RTEMS_FLOATING_POINT task attribute is ignored. - * - * If there is a FP coprocessor such as the i387 or mc68881, then - * the answer is TRUE. - * - * The macro name "PPC_HAS_FPU" should be made CPU specific. - * It indicates whether or not this CPU model has FP support. For - * example, it would be possible to have an i386_nofp CPU model - * which set this to false to indicate that you have an i386 without - * an i387 and wish to leave floating point support out of RTEMS. - */ - -#if ( PPC_HAS_FPU == 1 ) -#define CPU_HARDWARE_FP TRUE -#else -#define CPU_HARDWARE_FP FALSE -#endif - -/* - * Are all tasks RTEMS_FLOATING_POINT tasks implicitly? - * - * If TRUE, then the RTEMS_FLOATING_POINT task attribute is assumed. - * If FALSE, then the RTEMS_FLOATING_POINT task attribute is followed. - * - * So far, the only CPU in which this option has been used is the - * HP PA-RISC. The HP C compiler and gcc both implicitly use the - * floating point registers to perform integer multiplies. If - * a function which you would not think utilize the FP unit DOES, - * then one can not easily predict which tasks will use the FP hardware. - * In this case, this option should be TRUE. - * - * If CPU_HARDWARE_FP is FALSE, then this should be FALSE as well. - */ - -#define CPU_ALL_TASKS_ARE_FP FALSE - -/* - * Should the IDLE task have a floating point context? - * - * If TRUE, then the IDLE task is created as a RTEMS_FLOATING_POINT task - * and it has a floating point context which is switched in and out. - * If FALSE, then the IDLE task does not have a floating point context. - * - * Setting this to TRUE negatively impacts the time required to preempt - * the IDLE task from an interrupt because the floating point context - * must be saved as part of the preemption. - */ - -#define CPU_IDLE_TASK_IS_FP FALSE - -/* - * Should the saving of the floating point registers be deferred - * until a context switch is made to another different floating point - * task? - * - * If TRUE, then the floating point context will not be stored until - * necessary. It will remain in the floating point registers and not - * disturned until another floating point task is switched to. - * - * If FALSE, then the floating point context is saved when a floating - * point task is switched out and restored when the next floating point - * task is restored. The state of the floating point registers between - * those two operations is not specified. - * - * If the floating point context does NOT have to be saved as part of - * interrupt dispatching, then it should be safe to set this to TRUE. - * - * Setting this flag to TRUE results in using a different algorithm - * for deciding when to save and restore the floating point context. - * The deferred FP switch algorithm minimizes the number of times - * the FP context is saved and restored. The FP context is not saved - * until a context switch is made to another, different FP task. - * Thus in a system with only one FP task, the FP context will never - * be saved or restored. - */ -/* - * ACB Note: This could make debugging tricky.. - */ - -#define CPU_USE_DEFERRED_FP_SWITCH TRUE - -/* - * Does this port provide a CPU dependent IDLE task implementation? - * - * If TRUE, then the routine _CPU_Thread_Idle_body - * must be provided and is the default IDLE thread body instead of - * _CPU_Thread_Idle_body. - * - * If FALSE, then use the generic IDLE thread body if the BSP does - * not provide one. - * - * This is intended to allow for supporting processors which have - * a low power or idle mode. When the IDLE thread is executed, then - * the CPU can be powered down. - * - * The order of precedence for selecting the IDLE thread body is: - * - * 1. BSP provided - * 2. CPU dependent (if provided) - * 3. generic (if no BSP and no CPU dependent) - */ - -#define CPU_PROVIDES_IDLE_THREAD_BODY FALSE - -/* - * Does the stack grow up (toward higher addresses) or down - * (toward lower addresses)? - * - * If TRUE, then the grows upward. - * If FALSE, then the grows toward smaller addresses. - */ - -#define CPU_STACK_GROWS_UP FALSE - -/* - * The following is the variable attribute used to force alignment - * of critical RTEMS structures. On some processors it may make - * sense to have these aligned on tighter boundaries than - * the minimum requirements of the compiler in order to have as - * much of the critical data area as possible in a cache line. - * - * The placement of this macro in the declaration of the variables - * is based on the syntactically requirements of the GNU C - * "__attribute__" extension. For example with GNU C, use - * the following to force a structures to a 32 byte boundary. - * - * __attribute__ ((aligned (32))) - * - * NOTE: Currently only the Priority Bit Map table uses this feature. - * To benefit from using this, the data must be heavily - * used so it will stay in the cache and used frequently enough - * in the executive to justify turning this on. - */ - -#define CPU_STRUCTURE_ALIGNMENT \ - __attribute__ ((aligned (PPC_CACHE_ALIGNMENT))) - -/* - * Define what is required to specify how the network to host conversion - * routines are handled. - */ - -#define CPU_CPU_HAS_OWN_HOST_TO_NETWORK_ROUTINES FALSE -#define CPU_BIG_ENDIAN TRUE -#define CPU_LITTLE_ENDIAN FALSE - -/* - * The following defines the number of bits actually used in the - * interrupt field of the task mode. How those bits map to the - * CPU interrupt levels is defined by the routine _CPU_ISR_Set_level(). - * - * The interrupt level is bit mapped for the PowerPC family. The - * bits are set to 0 to indicate that a particular exception source - * enabled and 1 if it is disabled. This keeps with RTEMS convention - * that interrupt level 0 means all sources are enabled. - * - * The bits are assigned to correspond to enable bits in the MSR. - */ - -#define PPC_INTERRUPT_LEVEL_ME 0x01 -#define PPC_INTERRUPT_LEVEL_EE 0x02 -#define PPC_INTERRUPT_LEVEL_CE 0x04 - -/* XXX should these be maskable? */ -#if 0 -#define PPC_INTERRUPT_LEVEL_DE 0x08 -#define PPC_INTERRUPT_LEVEL_BE 0x10 -#define PPC_INTERRUPT_LEVEL_SE 0x20 -#endif - -#define CPU_MODES_INTERRUPT_MASK 0x00000007 - -/* - * Processor defined structures - * - * Examples structures include the descriptor tables from the i386 - * and the processor control structure on the i960ca. - */ - -/* may need to put some structures here. */ - -/* - * Contexts - * - * Generally there are 2 types of context to save. - * 1. Interrupt registers to save - * 2. Task level registers to save - * - * This means we have the following 3 context items: - * 1. task level context stuff:: Context_Control - * 2. floating point task stuff:: Context_Control_fp - * 3. special interrupt level context :: Context_Control_interrupt - * - * On some processors, it is cost-effective to save only the callee - * preserved registers during a task context switch. This means - * that the ISR code needs to save those registers which do not - * persist across function calls. It is not mandatory to make this - * distinctions between the caller/callee saves registers for the - * purpose of minimizing context saved during task switch and on interrupts. - * If the cost of saving extra registers is minimal, simplicity is the - * choice. Save the same context on interrupt entry as for tasks in - * this case. - * - * Additionally, if gdb is to be made aware of RTEMS tasks for this CPU, then - * care should be used in designing the context area. - * - * On some CPUs with hardware floating point support, the Context_Control_fp - * structure will not be used or it simply consist of an array of a - * fixed number of bytes. This is done when the floating point context - * is dumped by a "FP save context" type instruction and the format - * is not really defined by the CPU. In this case, there is no need - * to figure out the exact format -- only the size. Of course, although - * this is enough information for RTEMS, it is probably not enough for - * a debugger such as gdb. But that is another problem. - */ - -typedef struct { - unsigned32 gpr1; /* Stack pointer for all */ - unsigned32 gpr2; /* TOC in PowerOpen, reserved SVR4, section ptr EABI + */ - unsigned32 gpr13; /* First non volatile PowerOpen, section ptr SVR4/EABI */ - unsigned32 gpr14; /* Non volatile for all */ - unsigned32 gpr15; /* Non volatile for all */ - unsigned32 gpr16; /* Non volatile for all */ - unsigned32 gpr17; /* Non volatile for all */ - unsigned32 gpr18; /* Non volatile for all */ - unsigned32 gpr19; /* Non volatile for all */ - unsigned32 gpr20; /* Non volatile for all */ - unsigned32 gpr21; /* Non volatile for all */ - unsigned32 gpr22; /* Non volatile for all */ - unsigned32 gpr23; /* Non volatile for all */ - unsigned32 gpr24; /* Non volatile for all */ - unsigned32 gpr25; /* Non volatile for all */ - unsigned32 gpr26; /* Non volatile for all */ - unsigned32 gpr27; /* Non volatile for all */ - unsigned32 gpr28; /* Non volatile for all */ - unsigned32 gpr29; /* Non volatile for all */ - unsigned32 gpr30; /* Non volatile for all */ - unsigned32 gpr31; /* Non volatile for all */ - unsigned32 cr; /* PART of the CR is non volatile for all */ - unsigned32 pc; /* Program counter/Link register */ - unsigned32 msr; /* Initial interrupt level */ -} Context_Control; - -typedef struct { - /* The ABIs (PowerOpen/SVR4/EABI) only require saving f14-f31 over - * procedure calls. However, this would mean that the interrupt - * frame had to hold f0-f13, and the fpscr. And as the majority - * of tasks will not have an FP context, we will save the whole - * context here. - */ -#if (PPC_HAS_DOUBLE == 1) - double f[32]; - double fpscr; -#else - float f[32]; - float fpscr; -#endif -} Context_Control_fp; - -typedef struct CPU_Interrupt_frame { - unsigned32 stacklink; /* Ensure this is a real frame (also reg1 save) */ -#if (PPC_ABI == PPC_ABI_POWEROPEN || PPC_ABI == PPC_ABI_GCC27) - unsigned32 dummy[13]; /* Used by callees: PowerOpen ABI */ -#else - unsigned32 dummy[1]; /* Used by callees: SVR4/EABI */ -#endif - /* This is what is left out of the primary contexts */ - unsigned32 gpr0; - unsigned32 gpr2; /* play safe */ - unsigned32 gpr3; - unsigned32 gpr4; - unsigned32 gpr5; - unsigned32 gpr6; - unsigned32 gpr7; - unsigned32 gpr8; - unsigned32 gpr9; - unsigned32 gpr10; - unsigned32 gpr11; - unsigned32 gpr12; - unsigned32 gpr13; /* Play safe */ - unsigned32 gpr28; /* For internal use by the IRQ handler */ - unsigned32 gpr29; /* For internal use by the IRQ handler */ - unsigned32 gpr30; /* For internal use by the IRQ handler */ - unsigned32 gpr31; /* For internal use by the IRQ handler */ - unsigned32 cr; /* Bits of this are volatile, so no-one may save */ - unsigned32 ctr; - unsigned32 xer; - unsigned32 lr; - unsigned32 pc; - unsigned32 msr; - unsigned32 pad[3]; -} CPU_Interrupt_frame; - - -/* - * The following table contains the information required to configure - * the PowerPC processor specific parameters. - */ - -typedef struct { - void (*pretasking_hook)( void ); - void (*predriver_hook)( void ); - void (*postdriver_hook)( void ); - void (*idle_task)( void ); - boolean do_zero_of_workspace; - unsigned32 idle_task_stack_size; - unsigned32 interrupt_stack_size; - unsigned32 extra_mpci_receive_server_stack; - void * (*stack_allocate_hook)( unsigned32 ); - void (*stack_free_hook)( void* ); - /* end of fields required on all CPUs */ - - unsigned32 clicks_per_usec; /* Timer clicks per microsecond */ - void (*spurious_handler)(unsigned32 vector, CPU_Interrupt_frame *); - boolean exceptions_in_RAM; /* TRUE if in RAM */ - -#if (defined(ppc403) || defined(mpc860)) - unsigned32 serial_per_sec; /* Serial clocks per second */ - boolean serial_external_clock; - boolean serial_xon_xoff; - boolean serial_cts_rts; - unsigned32 serial_rate; - unsigned32 timer_average_overhead; /* Average overhead of timer in ticks */ - unsigned32 timer_least_valid; /* Least valid number from timer */ - boolean timer_internal_clock; /* TRUE, when timer runs with CPU clk */ -#endif - -#if (defined(mpc860)) - unsigned32 clock_speed; /* Speed of CPU in Hz */ -#endif -} rtems_cpu_table; - -/* - * The following type defines an entry in the PPC's trap table. - * - * NOTE: The instructions chosen are RTEMS dependent although one is - * obligated to use two of the four instructions to perform a - * long jump. The other instructions load one register with the - * trap type (a.k.a. vector) and another with the psr. - */ - -typedef struct { - unsigned32 stwu_r1; /* stwu %r1, -(??+IP_END)(%1)*/ - unsigned32 stw_r0; /* stw %r0, IP_0(%r1) */ - unsigned32 li_r0_IRQ; /* li %r0, _IRQ */ - unsigned32 b_Handler; /* b PROC (_ISR_Handler) */ -} CPU_Trap_table_entry; - -/* - * This variable is optional. It is used on CPUs on which it is difficult - * to generate an "uninitialized" FP context. It is filled in by - * _CPU_Initialize and copied into the task's FP context area during - * _CPU_Context_Initialize. - */ - -/* EXTERN Context_Control_fp _CPU_Null_fp_context; */ - -/* - * On some CPUs, RTEMS supports a software managed interrupt stack. - * This stack is allocated by the Interrupt Manager and the switch - * is performed in _ISR_Handler. These variables contain pointers - * to the lowest and highest addresses in the chunk of memory allocated - * for the interrupt stack. Since it is unknown whether the stack - * grows up or down (in general), this give the CPU dependent - * code the option of picking the version it wants to use. - * - * NOTE: These two variables are required if the macro - * CPU_HAS_SOFTWARE_INTERRUPT_STACK is defined as TRUE. - */ - -SCORE_EXTERN void *_CPU_Interrupt_stack_low; -SCORE_EXTERN void *_CPU_Interrupt_stack_high; - -/* - * With some compilation systems, it is difficult if not impossible to - * call a high-level language routine from assembly language. This - * is especially true of commercial Ada compilers and name mangling - * C++ ones. This variable can be optionally defined by the CPU porter - * and contains the address of the routine _Thread_Dispatch. This - * can make it easier to invoke that routine at the end of the interrupt - * sequence (if a dispatch is necessary). - */ - -/* EXTERN void (*_CPU_Thread_dispatch_pointer)(); */ - -/* - * Nothing prevents the porter from declaring more CPU specific variables. - */ - - -SCORE_EXTERN struct { - unsigned32 *Nest_level; - unsigned32 *Disable_level; - void *Vector_table; - void *Stack; -#if (PPC_ABI == PPC_ABI_POWEROPEN) - unsigned32 Dispatch_r2; -#else - unsigned32 Default_r2; -#if (PPC_ABI != PPC_ABI_GCC27) - unsigned32 Default_r13; -#endif -#endif - volatile boolean *Switch_necessary; - boolean *Signal; - - unsigned32 msr_initial; -} _CPU_IRQ_info CPU_STRUCTURE_ALIGNMENT; - -/* - * The size of the floating point context area. On some CPUs this - * will not be a "sizeof" because the format of the floating point - * area is not defined -- only the size is. This is usually on - * CPUs with a "floating point save context" instruction. - */ - -#define CPU_CONTEXT_FP_SIZE sizeof( Context_Control_fp ) - -/* - * (Optional) # of bytes for libmisc/stackchk to check - * If not specifed, then it defaults to something reasonable - * for most architectures. - */ - -#define CPU_STACK_CHECK_SIZE (128) - -/* - * Amount of extra stack (above minimum stack size) required by - * MPCI receive server thread. Remember that in a multiprocessor - * system this thread must exist and be able to process all directives. - */ - -#define CPU_MPCI_RECEIVE_SERVER_EXTRA_STACK 0 - -/* - * This defines the number of entries in the ISR_Vector_table managed - * by RTEMS. - */ - -#define CPU_INTERRUPT_NUMBER_OF_VECTORS (PPC_INTERRUPT_MAX) -#define CPU_INTERRUPT_MAXIMUM_VECTOR_NUMBER (PPC_INTERRUPT_MAX - 1) - -/* - * Should be large enough to run all RTEMS tests. This insures - * that a "reasonable" small application should not have any problems. - */ - -#define CPU_STACK_MINIMUM_SIZE (1024*3) - -/* - * CPU's worst alignment requirement for data types on a byte boundary. This - * alignment does not take into account the requirements for the stack. - */ - -#define CPU_ALIGNMENT (PPC_ALIGNMENT) - -/* - * This number corresponds to the byte alignment requirement for the - * heap handler. This alignment requirement may be stricter than that - * for the data types alignment specified by CPU_ALIGNMENT. It is - * common for the heap to follow the same alignment requirement as - * CPU_ALIGNMENT. If the CPU_ALIGNMENT is strict enough for the heap, - * then this should be set to CPU_ALIGNMENT. - * - * NOTE: This does not have to be a power of 2. It does have to - * be greater or equal to than CPU_ALIGNMENT. - */ - -#define CPU_HEAP_ALIGNMENT (PPC_ALIGNMENT) - -/* - * This number corresponds to the byte alignment requirement for memory - * buffers allocated by the partition manager. This alignment requirement - * may be stricter than that for the data types alignment specified by - * CPU_ALIGNMENT. It is common for the partition to follow the same - * alignment requirement as CPU_ALIGNMENT. If the CPU_ALIGNMENT is strict - * enough for the partition, then this should be set to CPU_ALIGNMENT. - * - * NOTE: This does not have to be a power of 2. It does have to - * be greater or equal to than CPU_ALIGNMENT. - */ - -#define CPU_PARTITION_ALIGNMENT (PPC_ALIGNMENT) - -/* - * This number corresponds to the byte alignment requirement for the - * stack. This alignment requirement may be stricter than that for the - * data types alignment specified by CPU_ALIGNMENT. If the CPU_ALIGNMENT - * is strict enough for the stack, then this should be set to 0. - * - * NOTE: This must be a power of 2 either 0 or greater than CPU_ALIGNMENT. - */ - -#define CPU_STACK_ALIGNMENT (PPC_STACK_ALIGNMENT) - -/* ISR handler macros */ - -/* - * Disable all interrupts for an RTEMS critical section. The previous - * level is returned in _isr_cookie. - */ - -#define loc_string(a,b) a " (" #b ")\n" - -#define _CPU_MSR_Value( _msr_value ) \ - do { \ - _msr_value = 0; \ - asm volatile ("mfmsr %0" : "=&r" ((_msr_value)) : "0" ((_msr_value))); \ - } while (0) - -#define _CPU_MSR_SET( _msr_value ) \ -{ asm volatile ("mtmsr %0" : "=&r" ((_msr_value)) : "0" ((_msr_value))); } - -#if 0 -#define _CPU_ISR_Disable( _isr_cookie ) \ - { register unsigned int _disable_mask = PPC_MSR_DISABLE_MASK; \ - _isr_cookie = 0; \ - asm volatile ( - "mfmsr %0" : \ - "=r" ((_isr_cookie)) : \ - "0" ((_isr_cookie)) \ - ); \ - asm volatile ( - "andc %1,%0,%1" : \ - "=r" ((_isr_cookie)), "=&r" ((_disable_mask)) : \ - "0" ((_isr_cookie)), "1" ((_disable_mask)) \ - ); \ - asm volatile ( - "mtmsr %1" : \ - "=r" ((_disable_mask)) : \ - "0" ((_disable_mask)) \ - ); \ - } -#endif - -#define _CPU_ISR_Disable( _isr_cookie ) \ - { register unsigned int _disable_mask = PPC_MSR_DISABLE_MASK; \ - _isr_cookie = 0; \ - asm volatile ( \ - "mfmsr %0; andc %1,%0,%1; mtmsr %1" : \ - "=&r" ((_isr_cookie)), "=&r" ((_disable_mask)) : \ - "0" ((_isr_cookie)), "1" ((_disable_mask)) \ - ); \ - } - - -#define _CPU_Data_Cache_Block_Flush( _address ) \ - do { register void *__address = (_address); \ - register unsigned32 _zero = 0; \ - asm volatile ( "dcbf %0,%1" : \ - "=r" (_zero), "=r" (__address) : \ - "0" (_zero), "1" (__address) \ - ); \ - } while (0) - - -/* - * Enable interrupts to the previous level (returned by _CPU_ISR_Disable). - * This indicates the end of an RTEMS critical section. The parameter - * _isr_cookie is not modified. - */ - -#define _CPU_ISR_Enable( _isr_cookie ) \ - { \ - asm volatile ( "mtmsr %0" : \ - "=r" ((_isr_cookie)) : \ - "0" ((_isr_cookie))); \ - } - -/* - * This temporarily restores the interrupt to _isr_cookie before immediately - * disabling them again. This is used to divide long RTEMS critical - * sections into two or more parts. The parameter _isr_cookie is not - * modified. - * - * NOTE: The version being used is not very optimized but it does - * not trip a problem in gcc where the disable mask does not - * get loaded. Check this for future (post 10/97 gcc versions. - */ - -#define _CPU_ISR_Flash( _isr_cookie ) \ - { register unsigned int _disable_mask = PPC_MSR_DISABLE_MASK; \ - asm volatile ( \ - "mtmsr %0; andc %1,%0,%1; mtmsr %1" : \ - "=r" ((_isr_cookie)), "=r" ((_disable_mask)) : \ - "0" ((_isr_cookie)), "1" ((_disable_mask)) \ - ); \ - } - -/* - * Map interrupt level in task mode onto the hardware that the CPU - * actually provides. Currently, interrupt levels which do not - * map onto the CPU in a generic fashion are undefined. Someday, - * it would be nice if these were "mapped" by the application - * via a callout. For example, m68k has 8 levels 0 - 7, levels - * 8 - 255 would be available for bsp/application specific meaning. - * This could be used to manage a programmable interrupt controller - * via the rtems_task_mode directive. - */ - -unsigned32 _CPU_ISR_Calculate_level( - unsigned32 new_level -); - -void _CPU_ISR_Set_level( - unsigned32 new_level -); - -unsigned32 _CPU_ISR_Get_level( void ); - -void _CPU_ISR_install_raw_handler( - unsigned32 vector, - proc_ptr new_handler, - proc_ptr *old_handler -); - -/* end of ISR handler macros */ - -/* - * Simple spin delay in microsecond units for device drivers. - * This is very dependent on the clock speed of the target. - */ - -#define CPU_Get_timebase_low( _value ) \ - asm volatile( "mftb %0" : "=r" (_value) ) - -#define delay( _microseconds ) \ - do { \ - unsigned32 start, ticks, now; \ - CPU_Get_timebase_low( start ) ; \ - ticks = (_microseconds) * Cpu_table.clicks_per_usec; \ - do \ - CPU_Get_timebase_low( now ) ; \ - while (now - start < ticks); \ - } while (0) - -#define delay_in_bus_cycles( _cycles ) \ - do { \ - unsigned32 start, now; \ - CPU_Get_timebase_low( start ); \ - do \ - CPU_Get_timebase_low( now ); \ - while (now - start < (_cycles)); \ - } while (0) - - - -/* Context handler macros */ - -/* - * Initialize the context to a state suitable for starting a - * task after a context restore operation. Generally, this - * involves: - * - * - setting a starting address - * - preparing the stack - * - preparing the stack and frame pointers - * - setting the proper interrupt level in the context - * - initializing the floating point context - * - * This routine generally does not set any unnecessary register - * in the context. The state of the "general data" registers is - * undefined at task start time. - * - * NOTE: Implemented as a subroutine for the SPARC port. - */ - -void _CPU_Context_Initialize( - Context_Control *the_context, - unsigned32 *stack_base, - unsigned32 size, - unsigned32 new_level, - void *entry_point, - boolean is_fp -); - -/* - * This routine is responsible for somehow restarting the currently - * executing task. If you are lucky, then all that is necessary - * is restoring the context. Otherwise, there will need to be - * a special assembly routine which does something special in this - * case. Context_Restore should work most of the time. It will - * not work if restarting self conflicts with the stack frame - * assumptions of restoring a context. - */ - -#define _CPU_Context_Restart_self( _the_context ) \ - _CPU_Context_restore( (_the_context) ); - -/* - * The purpose of this macro is to allow the initial pointer into - * a floating point context area (used to save the floating point - * context) to be at an arbitrary place in the floating point - * context area. - * - * This is necessary because some FP units are designed to have - * their context saved as a stack which grows into lower addresses. - * Other FP units can be saved by simply moving registers into offsets - * from the base of the context area. Finally some FP units provide - * a "dump context" instruction which could fill in from high to low - * or low to high based on the whim of the CPU designers. - */ - -#define _CPU_Context_Fp_start( _base, _offset ) \ - ( (void *) _Addresses_Add_offset( (_base), (_offset) ) ) - -/* - * This routine initializes the FP context area passed to it to. - * There are a few standard ways in which to initialize the - * floating point context. The code included for this macro assumes - * that this is a CPU in which a "initial" FP context was saved into - * _CPU_Null_fp_context and it simply copies it to the destination - * context passed to it. - * - * Other models include (1) not doing anything, and (2) putting - * a "null FP status word" in the correct place in the FP context. - */ - -#define _CPU_Context_Initialize_fp( _destination ) \ - { \ - ((Context_Control_fp *) *((void **) _destination))->fpscr = PPC_INIT_FPSCR; \ - } - -/* end of Context handler macros */ - -/* Fatal Error manager macros */ - -/* - * This routine copies _error into a known place -- typically a stack - * location or a register, optionally disables interrupts, and - * halts/stops the CPU. - */ - -#define _CPU_Fatal_halt( _error ) \ - _CPU_Fatal_error(_error) - -/* end of Fatal Error manager macros */ - -/* Bitfield handler macros */ - -/* - * This routine sets _output to the bit number of the first bit - * set in _value. _value is of CPU dependent type Priority_Bit_map_control. - * This type may be either 16 or 32 bits wide although only the 16 - * least significant bits will be used. - * - * There are a number of variables in using a "find first bit" type - * instruction. - * - * (1) What happens when run on a value of zero? - * (2) Bits may be numbered from MSB to LSB or vice-versa. - * (3) The numbering may be zero or one based. - * (4) The "find first bit" instruction may search from MSB or LSB. - * - * RTEMS guarantees that (1) will never happen so it is not a concern. - * (2),(3), (4) are handled by the macros _CPU_Priority_mask() and - * _CPU_Priority_Bits_index(). These three form a set of routines - * which must logically operate together. Bits in the _value are - * set and cleared based on masks built by _CPU_Priority_mask(). - * The basic major and minor values calculated by _Priority_Major() - * and _Priority_Minor() are "massaged" by _CPU_Priority_Bits_index() - * to properly range between the values returned by the "find first bit" - * instruction. This makes it possible for _Priority_Get_highest() to - * calculate the major and directly index into the minor table. - * This mapping is necessary to ensure that 0 (a high priority major/minor) - * is the first bit found. - * - * This entire "find first bit" and mapping process depends heavily - * on the manner in which a priority is broken into a major and minor - * components with the major being the 4 MSB of a priority and minor - * the 4 LSB. Thus (0 << 4) + 0 corresponds to priority 0 -- the highest - * priority. And (15 << 4) + 14 corresponds to priority 254 -- the next - * to the lowest priority. - * - * If your CPU does not have a "find first bit" instruction, then - * there are ways to make do without it. Here are a handful of ways - * to implement this in software: - * - * - a series of 16 bit test instructions - * - a "binary search using if's" - * - _number = 0 - * if _value > 0x00ff - * _value >>=8 - * _number = 8; - * - * if _value > 0x0000f - * _value >=8 - * _number += 4 - * - * _number += bit_set_table[ _value ] - * - * where bit_set_table[ 16 ] has values which indicate the first - * bit set - */ - -#define _CPU_Bitfield_Find_first_bit( _value, _output ) \ - { \ - asm volatile ("cntlzw %0, %1" : "=r" ((_output)), "=r" ((_value)) : \ - "1" ((_value))); \ - } - -/* end of Bitfield handler macros */ - -/* - * This routine builds the mask which corresponds to the bit fields - * as searched by _CPU_Bitfield_Find_first_bit(). See the discussion - * for that routine. - */ - -#define _CPU_Priority_Mask( _bit_number ) \ - ( 0x80000000 >> (_bit_number) ) - -/* - * This routine translates the bit numbers returned by - * _CPU_Bitfield_Find_first_bit() into something suitable for use as - * a major or minor component of a priority. See the discussion - * for that routine. - */ - -#define _CPU_Priority_bits_index( _priority ) \ - (_priority) - -/* end of Priority handler macros */ - -/* variables */ - -extern const unsigned32 _CPU_msrs[4]; - -/* functions */ - -/* - * _CPU_Initialize - * - * This routine performs CPU dependent initialization. - */ - -void _CPU_Initialize( - rtems_cpu_table *cpu_table, - void (*thread_dispatch) -); - -/* - * _CPU_ISR_install_vector - * - * This routine installs an interrupt vector. - */ - -void _CPU_ISR_install_vector( - unsigned32 vector, - proc_ptr new_handler, - proc_ptr *old_handler -); - -/* - * _CPU_Install_interrupt_stack - * - * This routine installs the hardware interrupt stack pointer. - * - * NOTE: It need only be provided if CPU_HAS_HARDWARE_INTERRUPT_STACK - * is TRUE. - */ - -void _CPU_Install_interrupt_stack( void ); - -/* - * _CPU_Context_switch - * - * This routine switches from the run context to the heir context. - */ - -void _CPU_Context_switch( - Context_Control *run, - Context_Control *heir -); - -/* - * _CPU_Context_restore - * - * This routine is generallu used only to restart self in an - * efficient manner. It may simply be a label in _CPU_Context_switch. - * - * NOTE: May be unnecessary to reload some registers. - */ - -void _CPU_Context_restore( - Context_Control *new_context -); - -/* - * _CPU_Context_save_fp - * - * This routine saves the floating point context passed to it. - */ - -void _CPU_Context_save_fp( - void **fp_context_ptr -); - -/* - * _CPU_Context_restore_fp - * - * This routine restores the floating point context passed to it. - */ - -void _CPU_Context_restore_fp( - void **fp_context_ptr -); - -void _CPU_Fatal_error( - unsigned32 _error -); - -/* The following routine swaps the endian format of an unsigned int. - * It must be static because it is referenced indirectly. - * - * This version will work on any processor, but if there is a better - * way for your CPU PLEASE use it. The most common way to do this is to: - * - * swap least significant two bytes with 16-bit rotate - * swap upper and lower 16-bits - * swap most significant two bytes with 16-bit rotate - * - * Some CPUs have special instructions which swap a 32-bit quantity in - * a single instruction (e.g. i486). It is probably best to avoid - * an "endian swapping control bit" in the CPU. One good reason is - * that interrupts would probably have to be disabled to insure that - * an interrupt does not try to access the same "chunk" with the wrong - * endian. Another good reason is that on some CPUs, the endian bit - * endianness for ALL fetches -- both code and data -- so the code - * will be fetched incorrectly. - */ - -static inline unsigned int CPU_swap_u32( - unsigned int value -) -{ - unsigned32 swapped; - - asm volatile("rlwimi %0,%1,8,24,31;" - "rlwimi %0,%1,24,16,23;" - "rlwimi %0,%1,8,8,15;" - "rlwimi %0,%1,24,0,7;" : - "=&r" ((swapped)) : "r" ((value))); - - return( swapped ); -} - -#define CPU_swap_u16( value ) \ - (((value&0xff) << 8) | ((value >> 8)&0xff)) - -/* - * Routines to access the decrementer register - */ - -#define PPC_Set_decrementer( _clicks ) \ - do { \ - asm volatile( "mtdec %0" : "=r" ((_clicks)) : "r" ((_clicks)) ); \ - } while (0) - -/* - * Routines to access the time base register - */ - -static inline unsigned64 PPC_Get_timebase_register( void ) -{ - unsigned32 tbr_low; - unsigned32 tbr_high; - unsigned32 tbr_high_old; - unsigned64 tbr; - - do { - asm volatile( "mftbu %0" : "=r" (tbr_high_old)); - asm volatile( "mftb %0" : "=r" (tbr_low)); - asm volatile( "mftbu %0" : "=r" (tbr_high)); - } while ( tbr_high_old != tbr_high ); - - tbr = tbr_high; - tbr <<= 32; - tbr |= tbr_low; - return tbr; -} - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/c/src/exec/score/cpu/powerpc/ppc.h b/c/src/exec/score/cpu/powerpc/ppc.h deleted file mode 100644 index 4c37f8c6c7..0000000000 --- a/c/src/exec/score/cpu/powerpc/ppc.h +++ /dev/null @@ -1,569 +0,0 @@ -/* 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 64 -#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 - -#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 PPC604_IRQ_SYS_MGT - -#elif defined(mpc860) -#define PPC_IRQ_IRQ0 (PPC_STD_IRQ_LAST + 1) -#define PPC_IRQ_LVL0 (PPC_STD_IRQ_LAST + 2) -#define PPC_IRQ_IRQ1 (PPC_STD_IRQ_LAST + 3) -#define PPC_IRQ_LVL1 (PPC_STD_IRQ_LAST + 4) -#define PPC_IRQ_IRQ2 (PPC_STD_IRQ_LAST + 5) -#define PPC_IRQ_LVL2 (PPC_STD_IRQ_LAST + 6) -#define PPC_IRQ_IRQ3 (PPC_STD_IRQ_LAST + 7) -#define PPC_IRQ_LVL3 (PPC_STD_IRQ_LAST + 8) -#define PPC_IRQ_IRQ4 (PPC_STD_IRQ_LAST + 9) -#define PPC_IRQ_LVL4 (PPC_STD_IRQ_LAST + 10) -#define PPC_IRQ_IRQ5 (PPC_STD_IRQ_LAST + 11) -#define PPC_IRQ_LVL5 (PPC_STD_IRQ_LAST + 12) -#define PPC_IRQ_IRQ6 (PPC_STD_IRQ_LAST + 13) -#define PPC_IRQ_LVL6 (PPC_STD_IRQ_LAST + 14) -#define PPC_IRQ_IRQ7 (PPC_STD_IRQ_LAST + 15) -#define PPC_IRQ_LVL7 (PPC_STD_IRQ_LAST + 16) -#define PPC_IRQ_CPM_RESERVED_0 (PPC_STD_IRQ_LAST + 17) -#define PPC_IRQ_CPM_PC4 (PPC_STD_IRQ_LAST + 18) -#define PPC_IRQ_CPM_PC5 (PPC_STD_IRQ_LAST + 19) -#define PPC_IRQ_CPM_SMC2 (PPC_STD_IRQ_LAST + 20) -#define PPC_IRQ_CPM_SMC1 (PPC_STD_IRQ_LAST + 21) -#define PPC_IRQ_CPM_SPI (PPC_STD_IRQ_LAST + 22) -#define PPC_IRQ_CPM_PC6 (PPC_STD_IRQ_LAST + 23) -#define PPC_IRQ_CPM_TIMER4 (PPC_STD_IRQ_LAST + 24) -#define PPC_IRQ_CPM_RESERVED_8 (PPC_STD_IRQ_LAST + 25) -#define PPC_IRQ_CPM_PC7 (PPC_STD_IRQ_LAST + 26) -#define PPC_IRQ_CPM_PC8 (PPC_STD_IRQ_LAST + 27) -#define PPC_IRQ_CPM_PC9 (PPC_STD_IRQ_LAST + 28) -#define PPC_IRQ_CPM_TIMER3 (PPC_STD_IRQ_LAST + 29) -#define PPC_IRQ_CPM_RESERVED_D (PPC_STD_IRQ_LAST + 30) -#define PPC_IRQ_CPM_PC10 (PPC_STD_IRQ_LAST + 31) -#define PPC_IRQ_CPM_PC11 (PPC_STD_IRQ_LAST + 32) -#define PPC_IRQ_CPM_I2C (PPC_STD_IRQ_LAST + 33) -#define PPC_IRQ_CPM_RISC_TIMER (PPC_STD_IRQ_LAST + 34) -#define PPC_IRQ_CPM_TIMER2 (PPC_STD_IRQ_LAST + 35) -#define PPC_IRQ_CPM_RESERVED_13 (PPC_STD_IRQ_LAST + 36) -#define PPC_IRQ_CPM_IDMA2 (PPC_STD_IRQ_LAST + 37) -#define PPC_IRQ_CPM_IDMA1 (PPC_STD_IRQ_LAST + 38) -#define PPC_IRQ_CPM_SDMA_ERROR (PPC_STD_IRQ_LAST + 39) -#define PPC_IRQ_CPM_PC12 (PPC_STD_IRQ_LAST + 40) -#define PPC_IRQ_CPM_PC13 (PPC_STD_IRQ_LAST + 41) -#define PPC_IRQ_CPM_TIMER1 (PPC_STD_IRQ_LAST + 42) -#define PPC_IRQ_CPM_PC14 (PPC_STD_IRQ_LAST + 43) -#define PPC_IRQ_CPM_SCC4 (PPC_STD_IRQ_LAST + 44) -#define PPC_IRQ_CPM_SCC3 (PPC_STD_IRQ_LAST + 45) -#define PPC_IRQ_CPM_SCC2 (PPC_STD_IRQ_LAST + 46) -#define PPC_IRQ_CPM_SCC1 (PPC_STD_IRQ_LAST + 47) -#define PPC_IRQ_CPM_PC15 (PPC_STD_IRQ_LAST + 48) - -#define PPC_IRQ_LAST PPC_IRQ_CPM_PC15 - -#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/ppctypes.h b/c/src/exec/score/cpu/powerpc/ppctypes.h deleted file mode 100644 index 71f1b814b2..0000000000 --- a/c/src/exec/score/cpu/powerpc/ppctypes.h +++ /dev/null @@ -1,74 +0,0 @@ -/* 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; -typedef void ( *ppc_isr_entry )( int, struct CPU_Interrupt_frame * ); - -#ifdef __cplusplus -} -#endif - -#endif /* !ASM */ - -#endif -/* end of include file */ |