diff options
Diffstat (limited to 'c/src/exec/score/cpu/sh')
| -rw-r--r-- | c/src/exec/score/cpu/sh/Makefile.in | 66 | ||||
| -rw-r--r-- | c/src/exec/score/cpu/sh/cpu.h | 875 | ||||
| -rw-r--r-- | c/src/exec/score/cpu/sh/cpu_isps.h | 165 | ||||
| -rw-r--r-- | c/src/exec/score/cpu/sh/iosh7030.h | 223 | ||||
| -rw-r--r-- | c/src/exec/score/cpu/sh/sh.h | 186 | ||||
| -rw-r--r-- | c/src/exec/score/cpu/sh/sh_io.h | 48 | ||||
| -rw-r--r-- | c/src/exec/score/cpu/sh/shtypes.h | 67 |
7 files changed, 2 insertions, 1628 deletions
diff --git a/c/src/exec/score/cpu/sh/Makefile.in b/c/src/exec/score/cpu/sh/Makefile.in index 6a442526d4..94424f094e 100644 --- a/c/src/exec/score/cpu/sh/Makefile.in +++ b/c/src/exec/score/cpu/sh/Makefile.in @@ -8,69 +8,7 @@ VPATH = @srcdir@ RTEMS_ROOT = @top_srcdir@ PROJECT_ROOT = @PROJECT_ROOT@ -RELS=$(ARCH)/rtems-cpu.rel - -# C source names, if any, go here -- minus the .c -C_PIECES=cpu cpu_asm cpu_isps rtems -C_FILES=$(C_PIECES:%=%.c) -C_O_FILES=$(C_PIECES:%=${ARCH}/%.o) - -H_FILES= \ - $(srcdir)/cpu.h \ - $(srcdir)/shtypes.h \ - $(srcdir)/sh.h \ - $(srcdir)/sh_io.h \ - $(srcdir)/cpu_isps.h \ - $(srcdir)/iosh7030.h - -# H_FILES that get installed externally -EXTERNAL_H_FILES = \ - $(srcdir)/asm.h - -# Assembly source names, if any, go here -- minus the .S -# Normally cpu_asm and rtems are assembly files -S_PIECES= -S_FILES=$(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: ${ARCH} $(SRCS) preinstall $(OBJS) $(RELS) - -$(ARCH)/rtems-cpu.rel: $(OBJS) - $(make-rel) - -# Install the program(s), appending _g or _p as appropriate. -# for include files, just use $(INSTALL) -install: all +include $(RTEMS_ROOT)/make/directory.cfg -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) +SUB_DIRS = rtems wrap diff --git a/c/src/exec/score/cpu/sh/cpu.h b/c/src/exec/score/cpu/sh/cpu.h deleted file mode 100644 index 0a67679b5e..0000000000 --- a/c/src/exec/score/cpu/sh/cpu.h +++ /dev/null @@ -1,875 +0,0 @@ -/* - * This include file contains information pertaining to the Hitachi SH - * processor. - * - * Authors: Ralf Corsepius (corsepiu@faw.uni-ulm.de) and - * Bernd Becker (becker@faw.uni-ulm.de) - * - * COPYRIGHT (c) 1997-1998, FAW Ulm, Germany - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - * - * - * COPYRIGHT (c) 1998. - * On-Line Applications Research Corporation (OAR). - * Copyright assigned to U.S. Government, 1994. - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#ifndef _SH_CPU_h -#define _SH_CPU_h - -#ifdef __cplusplus -extern "C" { -#endif - -#include <rtems/score/sh.h> /* pick up machine definitions */ -#ifndef ASM -#include <rtems/score/shtypes.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 TRUE - -/* - * 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 TRUE -#define CPU_HAS_HARDWARE_INTERRUPT_STACK FALSE - -/* - * We define the interrupt stack in the linker script - */ -#define CPU_ALLOCATE_INTERRUPT_STACK FALSE - -/* - * 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 0 - -/* - * 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. - * - * We currently support sh1 only, which has no FPU, other SHes have an FPU - * - * The macro name "NO_CPU_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. - */ - -#define CPU_HARDWARE_FP FALSE - -/* - * 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. - */ - -#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 TRUE - -/* - * 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(16))) - -/* - * Define what is required to specify how the network to host conversion - * routines are handled. - * - * NOTE: SHes can be big or little endian, the default is big endian - */ - -#define CPU_CPU_HAS_OWN_HOST_TO_NETWORK_ROUTINES FALSE - -/* __LITTLE_ENDIAN__ is defined if -ml is given to gcc */ -#if defined(__LITTLE_ENDIAN__) -#define CPU_BIG_ENDIAN FALSE -#define CPU_LITTLE_ENDIAN TRUE -#else -#define CPU_BIG_ENDIAN TRUE -#define CPU_LITTLE_ENDIAN FALSE -#endif - -/* - * 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(). - */ - -#define CPU_MODES_INTERRUPT_MASK 0x0000000f - -/* - * 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 *r15; /* stack pointer */ - - unsigned32 macl; - unsigned32 mach; - unsigned32 *pr; - - unsigned32 *r14; /* frame pointer/call saved */ - - unsigned32 r13; /* call saved */ - unsigned32 r12; /* call saved */ - unsigned32 r11; /* call saved */ - unsigned32 r10; /* call saved */ - unsigned32 r9; /* call saved */ - unsigned32 r8; /* call saved */ - - unsigned32 *r7; /* arg in */ - unsigned32 *r6; /* arg in */ - -#if 0 - unsigned32 *r5; /* arg in */ - unsigned32 *r4; /* arg in */ -#endif - - unsigned32 *r3; /* scratch */ - unsigned32 *r2; /* scratch */ - unsigned32 *r1; /* scratch */ - - unsigned32 *r0; /* arg return */ - - unsigned32 gbr; - unsigned32 sr; - -} Context_Control; - -typedef struct { -} Context_Control_fp; - -typedef struct { -} CPU_Interrupt_frame; - - -/* - * The following table contains the information required to configure - * the SH 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 */ -} rtems_cpu_table; - -/* - * 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. - */ - -/* -SCORE_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). - */ - -SCORE_EXTERN void (*_CPU_Thread_dispatch_pointer)(); - -/* - * Nothing prevents the porter from declaring more CPU specific variables. - */ - -/* XXX: if needed, put more variables here */ - -/* - * 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 ) - -/* - * 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 256 -#define CPU_INTERRUPT_MAXIMUM_VECTOR_NUMBER (CPU_INTERRUPT_NUMBER_OF_VECTORS - 1) - -/* - * Should be large enough to run all RTEMS tests. This insures - * that a "reasonable" small application should not have any problems. - * - * We have been able to run the sptests with this value, but have not - * been able to run the tmtest suite. - */ - -#define CPU_STACK_MINIMUM_SIZE 4096 - -/* - * 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 4 - -/* - * 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 CPU_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 CPU_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 CPU_ALIGNMENT - -/* ISR handler macros */ - -/* - * Disable all interrupts for an RTEMS critical section. The previous - * level is returned in _level. - */ - -#define _CPU_ISR_Disable( _level) \ - sh_disable_interrupts( _level ) - -/* - * Enable interrupts to the previous level (returned by _CPU_ISR_Disable). - * This indicates the end of an RTEMS critical section. The parameter - * _level is not modified. - */ - -#define _CPU_ISR_Enable( _level) \ - sh_enable_interrupts( _level) - -/* - * This temporarily restores the interrupt to _level before immediately - * disabling them again. This is used to divide long RTEMS critical - * sections into two or more parts. The parameter _level is not - * modified. - */ - -#define _CPU_ISR_Flash( _level) \ - sh_flash_interrupts( _level) - -/* - * 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. - */ - -#define _CPU_ISR_Set_level( _newlevel) \ - sh_set_interrupt_level(_newlevel) - -unsigned32 _CPU_ISR_Get_level( void ); - -/* end of ISR handler macros */ - -/* 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: This is_fp parameter is TRUE if the thread is to be a floating - * point thread. This is typically only used on CPUs where the - * FPU may be easily disabled by software such as on the SPARC - * where the PSR contains an enable FPU bit. - */ - -/* - * FIXME: defined as a function for debugging - should be a macro - */ -SCORE_EXTERN void _CPU_Context_Initialize( - Context_Control *_the_context, - void *_stack_base, - unsigned32 _size, - unsigned32 _isr, - void (*_entry_point)(void), - int _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. - * SH has no FPU !!!!!!!!!!!! - */ - -#define _CPU_Context_Initialize_fp( _destination ) \ - { } - -/* end of Context handler macros */ - -/* Fatal Error manager macros */ - -/* - * FIXME: Trap32 ??? - * - * This routine copies _error into a known place -- typically a stack - * location or a register, optionally disables interrupts, and - * invokes a Trap32 Instruction which returns to the breakpoint - * routine of cmon. - */ - -#ifdef BSP_FATAL_HALT - /* we manage the fatal error in the board support package */ - void bsp_fatal_halt( unsigned32 _error); -#define _CPU_Fatal_halt( _error ) bsp_fatal_halt( _error) -#else -#define _CPU_Fatal_halt( _error)\ -{ \ - asm volatile("mov.l %0,r0"::"m" (_error)); \ - asm volatile("trapa #34"); \ -} -#endif - -/* 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_USE_GENERIC_BITFIELD_CODE TRUE -#define CPU_USE_GENERIC_BITFIELD_DATA TRUE - -#if (CPU_USE_GENERIC_BITFIELD_CODE == FALSE) - -extern unsigned8 _bit_set_table[]; - -#define _CPU_Bitfield_Find_first_bit( _value, _output ) \ - { \ - _output = 0;\ - if(_value > 0x00ff) \ - { _value >>= 8; _output = 8; } \ - if(_value > 0x000f) \ - { _output += 4; _value >>= 4; } \ - _output += _bit_set_table[ _value]; } - -#endif - -/* 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. - */ - -#if (CPU_USE_GENERIC_BITFIELD_CODE == FALSE) - -#define _CPU_Priority_Mask( _bit_number ) \ - ( 1 << (_bit_number) ) - -#endif - -/* - * 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. - */ - -#if (CPU_USE_GENERIC_BITFIELD_CODE == FALSE) - -#define _CPU_Priority_bits_index( _priority ) \ - (_priority) - -#endif - -/* end of Priority handler macros */ - -/* functions */ - -/* - * _CPU_Initialize - * - * This routine performs CPU dependent initialization. - */ - -void _CPU_Initialize( - rtems_cpu_table *cpu_table, - void (*thread_dispatch) -); - -/* - * _CPU_ISR_install_raw_handler - * - * This routine installs a "raw" interrupt handler directly into the - * processor's vector table. - */ - -void _CPU_ISR_install_raw_handler( - unsigned32 vector, - proc_ptr new_handler, - proc_ptr *old_handler -); - -/* - * _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 needs only be provided if CPU_HAS_HARDWARE_INTERRUPT_STACK - * is TRUE. - */ - -void _CPU_Install_interrupt_stack( void ); - -/* - * _CPU_Thread_Idle_body - * - * This routine is the CPU dependent IDLE thread body. - * - * NOTE: It need only be provided if CPU_PROVIDES_IDLE_THREAD_BODY - * is TRUE. - */ - -void _CPU_Thread_Idle_body( 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 generally used only to restart self in an - * efficient manner. It may simply be a label in _CPU_Context_switch. - */ - -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 -); - - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/c/src/exec/score/cpu/sh/cpu_isps.h b/c/src/exec/score/cpu/sh/cpu_isps.h deleted file mode 100644 index 3f9baf1ad2..0000000000 --- a/c/src/exec/score/cpu/sh/cpu_isps.h +++ /dev/null @@ -1,165 +0,0 @@ -/* - * This include file contains information pertaining to the Hitachi SH - * processor. - * - * Authors: Ralf Corsepius (corsepiu@faw.uni-ulm.de) and - * Bernd Becker (becker@faw.uni-ulm.de) - * - * COPYRIGHT (c) 1997-1998, FAW Ulm, Germany - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - * - * - * COPYRIGHT (c) 1998. - * On-Line Applications Research Corporation (OAR). - * Copyright assigned to U.S. Government, 1994. - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#ifndef __CPU_ISPS_H -#define __CPU_ISPS_H - -#ifdef __cplusplus -extern "C" { -#endif - -#include <rtems/score/shtypes.h> - -extern void __ISR_Handler( unsigned32 vector ); - - -/* - * interrupt vector table offsets - */ -#define NMI_ISP_V 11 -#define USB_ISP_V 12 -#define IRQ0_ISP_V 64 -#define IRQ1_ISP_V 65 -#define IRQ2_ISP_V 66 -#define IRQ3_ISP_V 67 -#define IRQ4_ISP_V 68 -#define IRQ5_ISP_V 69 -#define IRQ6_ISP_V 70 -#define IRQ7_ISP_V 71 -#define DMA0_ISP_V 72 -#define DMA1_ISP_V 74 -#define DMA2_ISP_V 76 -#define DMA3_ISP_V 78 - -#define IMIA0_ISP_V 80 -#define IMIB0_ISP_V 81 -#define OVI0_ISP_V 82 - -#define IMIA1_ISP_V 84 -#define IMIB1_ISP_V 85 -#define OVI1_ISP_V 86 - -#define IMIA2_ISP_V 88 -#define IMIB2_ISP_V 89 -#define OVI2_ISP_V 90 - -#define IMIA3_ISP_V 92 -#define IMIB3_ISP_V 93 -#define OVI3_ISP_V 94 - -#define IMIA4_ISP_V 96 -#define IMIB4_ISP_V 97 -#define OVI4_ISP_V 98 - -#define ERI0_ISP_V 100 -#define RXI0_ISP_V 101 -#define TXI0_ISP_V 102 -#define TEI0_ISP_V 103 - -#define ERI1_ISP_V 104 -#define RXI1_ISP_V 105 -#define TXI1_ISP_V 106 -#define TEI1_ISP_V 107 - -#define PRT_ISP_V 108 -#define ADU_ISP_V 109 -#define WDT_ISP_V 112 -#define DREF_ISP_V 113 - - -/* dummy ISP */ -extern void _dummy_isp( void ); - -/* Non Maskable Interrupt */ -extern void _nmi_isp( void ); - -/* User Break Controller */ -extern void _usb_isp( void ); - -/* External interrupts 0-7 */ -extern void _irq0_isp( void ); -extern void _irq1_isp( void ); -extern void _irq2_isp( void ); -extern void _irq3_isp( void ); -extern void _irq4_isp( void ); -extern void _irq5_isp( void ); -extern void _irq6_isp( void ); -extern void _irq7_isp( void ); - -/* DMA - Controller */ -extern void _dma0_isp( void ); -extern void _dma1_isp( void ); -extern void _dma2_isp( void ); -extern void _dma3_isp( void ); - -/* Interrupt Timer Unit */ -/* Timer 0 */ -extern void _imia0_isp( void ); -extern void _imib0_isp( void ); -extern void _ovi0_isp( void ); -/* Timer 1 */ -extern void _imia1_isp( void ); -extern void _imib1_isp( void ); -extern void _ovi1_isp( void ); -/* Timer 2 */ -extern void _imia2_isp( void ); -extern void _imib2_isp( void ); -extern void _ovi2_isp( void ); -/* Timer 3 */ -extern void _imia3_isp( void ); -extern void _imib3_isp( void ); -extern void _ovi3_isp( void ); -/* Timer 4 */ -extern void _imia4_isp( void ); -extern void _imib4_isp( void ); -extern void _ovi4_isp( void ); - -/* seriell interfaces */ -extern void _eri0_isp( void ); -extern void _rxi0_isp( void ); -extern void _txi0_isp( void ); -extern void _tei0_isp( void ); -extern void _eri1_isp( void ); -extern void _rxi1_isp( void ); -extern void _txi1_isp( void ); -extern void _tei1_isp( void ); - -/* Parity Control Unit of the Bus State Controllers */ -extern void _prt_isp( void ); - -/* ADC */ -extern void _adu_isp( void ); - -/* Watchdog Timer */ -extern void _wdt_isp( void ); - -/* DRAM refresh control unit of bus state controller */ -extern void _dref_isp( void ); - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/c/src/exec/score/cpu/sh/iosh7030.h b/c/src/exec/score/cpu/sh/iosh7030.h deleted file mode 100644 index 48463aed47..0000000000 --- a/c/src/exec/score/cpu/sh/iosh7030.h +++ /dev/null @@ -1,223 +0,0 @@ -/* - * This include file contains information pertaining to the Hitachi SH - * processor. - * - * NOTE: NOT ALL VALUES HAVE BEEN CHECKED !! - * - * Authors: Ralf Corsepius (corsepiu@faw.uni-ulm.de) and - * Bernd Becker (becker@faw.uni-ulm.de) - * - * Based on "iosh7030.h" distributed with Hitachi's EVB's tutorials, which - * contained no copyright notice. - * - * COPYRIGHT (c) 1997-1998, FAW Ulm, Germany - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - * - * - * COPYRIGHT (c) 1998. - * On-Line Applications Research Corporation (OAR). - * Copyright assigned to U.S. Government, 1994. - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#ifndef __IOSH7030_H -#define __IOSH7030_H - -/* - * After each line is explained whether the access is char short or long. - * The functions read/writeb, w, l, 8, 16, 32 can be found - * in exec/score/cpu/sh/sh_io.h - * - * 8 bit == char ( readb, writeb, read8, write8) - * 16 bit == short ( readw, writew, read16, write16 ) - * 32 bit == long ( readl, writel, read32, write32 ) - */ - -#define SCI0_SMR 0x05fffec0 /* char */ -#define SCI0_BRR 0x05fffec1 /* char */ -#define SCI0_SCR 0x05fffec2 /* char */ -#define SCI0_TDR 0x05fffec3 /* char */ -#define SCI0_SSR 0x05fffec4 /* char */ -#define SCI0_RDR 0x05fffec5 /* char */ - -#define SCI1_SMR 0x05fffec8 /* char */ -#define SCI1_BRR 0x05fffec9 /* char */ -#define SCI1_SCR 0x05fffeca /* char */ -#define SCI1_TDR 0x05fffecb /* char */ -#define SCI1_SSR 0x05fffecc /* char */ -#define SCI1_RDR 0x05fffecd /* char */ - - -#define ADDRAH 0x05fffee0 /* char */ -#define ADDRAL 0x05fffee1 /* char */ -#define ADDRBH 0x05fffee2 /* char */ -#define ADDRBL 0x05fffee3 /* char */ -#define ADDRCH 0x05fffee4 /* char */ -#define ADDRCL 0x05fffee5 /* char */ -#define ADDRDH 0x05fffee6 /* char */ -#define ADDRDL 0x05fffee7 /* char */ -#define AD_DRA 0x05fffee0 /* short */ -#define AD_DRB 0x05fffee2 /* short */ -#define AD_DRC 0x05fffee4 /* short */ -#define AD_DRD 0x05fffee6 /* short */ -#define ADCSR 0x05fffee8 /* char */ -#define ADCR 0x05fffee9 /* char */ - -/*ITU SHARED*/ -#define ITU_TSTR 0x05ffff00 /* char */ -#define ITU_TSNC 0x05ffff01 /* char */ -#define ITU_TMDR 0x05ffff02 /* char */ -#define ITU_TFCR 0x05ffff03 /* char */ - -/*ITU CHANNEL 0*/ -#define ITU_TCR0 0x05ffff04 /* char */ -#define ITU_TIOR0 0x05ffff05 /* char */ -#define ITU_TIER0 0x05ffff06 /* char */ -#define ITU_TSR0 0x05ffff07 /* char */ -#define ITU_TCNT0 0x05ffff08 /* short */ -#define ITU_GRA0 0x05ffff0a /* short */ -#define ITU_GRB0 0x05ffff0c /* short */ - - /*ITU CHANNEL 1*/ -#define ITU_TCR1 0x05ffff0E /* char */ -#define ITU_TIOR1 0x05ffff0F /* char */ -#define ITU_TIER1 0x05ffff10 /* char */ -#define ITU_TSR1 0x05ffff11 /* char */ -#define ITU_TCNT1 0x05ffff12 /* short */ -#define ITU_GRA1 0x05ffff14 /* short */ -#define ITU_GRB1 0x05ffff16 /* short */ - - - /*ITU CHANNEL 2*/ -#define ITU_TCR2 0x05ffff18 /* char */ -#define ITU_TIOR2 0x05ffff19 /* char */ -#define ITU_TIER2 0x05ffff1A /* char */ -#define ITU_TSR2 0x05ffff1B /* char */ -#define ITU_TCNT2 0x05ffff1C /* short */ -#define ITU_GRA2 0x05ffff1E /* short */ -#define ITU_GRB2 0x05ffff20 /* short */ - - /*ITU CHANNEL 3*/ -#define ITU_TCR3 0x05ffff22 /* char */ -#define ITU_TIOR3 0x05ffff23 /* char */ -#define ITU_TIER3 0x05ffff24 /* char */ -#define ITU_TSR3 0x05ffff25 /* char */ -#define ITU_TCNT3 0x05ffff26 /* short */ -#define ITU_GRA3 0x05ffff28 /* short */ -#define ITU_GRB3 0x05ffff2A /* short */ -#define ITU_BRA3 0x05ffff2C /* short */ -#define ITU_BRB3 0x05ffff2E /* short */ - - /*ITU CHANNELS 0-4 SHARED*/ -#define ITU_TOCR 0x05ffff31 /* char */ - - /*ITU CHANNEL 4*/ -#define ITU_TCR4 0x05ffff32 /* char */ -#define ITU_TIOR4 0x05ffff33 /* char */ -#define ITU_TIER4 0x05ffff34 /* char */ -#define ITU_TSR4 0x05ffff35 /* char */ -#define ITU_TCNT4 0x05ffff36 /* short */ -#define ITU_GRA4 0x05ffff38 /* short */ -#define ITU_GRB4 0x05ffff3A /* short */ -#define ITU_BRA4 0x05ffff3C /* short */ -#define ITU_BRB4 0x05ffff3E /* short */ - - /*DMAC CHANNELS 0-3 SHARED*/ -#define DMAOR 0x05ffff48 /* short */ - - /*DMAC CHANNEL 0*/ -#define DMA_SAR0 0x05ffff40 /* long */ -#define DMA_DAR0 0x05ffff44 /* long */ -#define DMA_TCR0 0x05ffff4a /* short */ -#define DMA_CHCR0 0x05ffff4e /* short */ - - /*DMAC CHANNEL 1*/ -#define DMA_SAR1 0x05ffff50 /* long */ -#define DMA_DAR1 0x05ffff54 /* long */ -#define DMA_TCR1 0x05fffF5a /* short */ -#define DMA_CHCR1 0x05ffff5e /* short */ - - /*DMAC CHANNEL 3*/ -#define DMA_SAR3 0x05ffff60 /* long */ -#define DMA_DAR3 0x05ffff64 /* long */ -#define DMA_TCR3 0x05fffF6a /* short */ -#define DMA_CHCR3 0x05ffff6e /* short */ - -/*DMAC CHANNEL 4*/ -#define DMA_SAR4 0x05ffff70 /* long */ -#define DMA_DAR4 0x05ffff74 /* long */ -#define DMA_TCR4 0x05fffF7a /* short */ -#define DMA_CHCR4 0x05ffff7e /* short */ - -/*INTC*/ -#define INTC_IPRA 0x05ffff84 /* short */ -#define INTC_IPRB 0x05ffff86 /* short */ -#define INTC_IPRC 0x05ffff88 /* short */ -#define INTC_IPRD 0x05ffff8A /* short */ -#define INTC_IPRE 0x05ffff8C /* short */ -#define INTC_ICR 0x05ffff8E /* short */ - -/*UBC*/ -#define UBC_BARH 0x05ffff90 /* short */ -#define UBC_BARL 0x05ffff92 /* short */ -#define UBC_BAMRH 0x05ffff94 /* short */ -#define UBC_BAMRL 0x05ffff96 /* short */ -#define UBC_BBR 0x05ffff98 /* short */ - -/*BSC*/ -#define BSC_BCR 0x05ffffA0 /* short */ -#define BSC_WCR1 0x05ffffA2 /* short */ -#define BSC_WCR2 0x05ffffA4 /* short */ -#define BSC_WCR3 0x05ffffA6 /* short */ -#define BSC_DCR 0x05ffffA8 /* short */ -#define BSC_PCR 0x05ffffAA /* short */ -#define BSC_RCR 0x05ffffAC /* short */ -#define BSC_RTCSR 0x05ffffAE /* short */ -#define BSC_RTCNT 0x05ffffB0 /* short */ -#define BSC_RTCOR 0x05ffffB2 /* short */ - -/*WDT*/ -#define WDT_TCSR 0x05ffffB8 /* char */ -#define WDT_TCNT 0x05ffffB9 /* char */ -#define WDT_RSTCSR 0x05ffffBB /* char */ - -/*POWER DOWN STATE*/ -#define PDT_SBYCR 0x05ffffBC /* char */ - -/*PORT A*/ -#define PADR 0x05ffffC0 /* short */ - -/*PORT B*/ -#define PBDR 0x05ffffC2 /* short */ - - /*PORT C*/ -#define PCDR 0x05ffffD0 /* short */ - -/*PFC*/ -#define PFC_PAIOR 0x05ffffC4 /* short */ -#define PFC_PBIOR 0x05ffffC6 /* short */ -#define PFC_PACR1 0x05ffffC8 /* short */ -#define PFC_PACR2 0x05ffffCA /* short */ -#define PFC_PBCR1 0x05ffffCC /* short */ -#define PFC_PBCR2 0x05ffffCE /* short */ -#define PFC_CASCR 0x05ffffEE /* short */ - -/*TPC*/ -#define TPC_TPMR 0x05ffffF0 /* short */ -#define TPC_TPCR 0x05ffffF1 /* short */ -#define TPC_NDERH 0x05ffffF2 /* short */ -#define TPC_NDERL 0x05ffffF3 /* short */ -#define TPC_NDRB 0x05ffffF4 /* char */ -#define TPC_NDRA 0x05ffff5F /* char */ -#define TPC_NDRB1 0x05ffffF6 /* char */ -#define TPC_NDRA1 0x05ffffF7 /* char */ - -#endif diff --git a/c/src/exec/score/cpu/sh/sh.h b/c/src/exec/score/cpu/sh/sh.h deleted file mode 100644 index 03d9077d3e..0000000000 --- a/c/src/exec/score/cpu/sh/sh.h +++ /dev/null @@ -1,186 +0,0 @@ -/* sh.h - * - * This include file contains information pertaining to the Hitachi SH - * processor. - * - * Authors: Ralf Corsepius (corsepiu@faw.uni-ulm.de) and - * Bernd Becker (becker@faw.uni-ulm.de) - * - * COPYRIGHT (c) 1997-1998, FAW Ulm, Germany - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE - * - * - * COPYRIGHT (c) 1998. - * On-Line Applications Research Corporation (OAR). - * Copyright assigned to U.S. Government, 1994. - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#ifndef _sh_h -#define _sh_h - -#ifdef __cplusplus -extern "C" { -#endif - -/* - * This file contains the information required to build - * RTEMS for a particular member of the "SH" family. - * - * It does this by setting variables to indicate which implementation - * dependent features are present in a particular member of the family. - */ - -#if defined(sh7032) - -#define CPU_MODEL_NAME "SH 7032" - -#define SH_HAS_FPU 0 - -/* - * If the following macro is set to 0 there will be no software irq stack - */ -#define SH_HAS_SEPARATE_STACKS 1 - -#else - -#error "Unsupported CPU Model" - -#endif - -/* - * Define the name of the CPU family. - */ - -#define CPU_NAME "Hitachi SH" - -#ifndef ASM - -/* - * Mask for disabling interrupts - */ -#define SH_IRQDIS_VALUE 0xf0 - -#define sh_disable_interrupts( _level ) \ - asm volatile ( \ - "stc sr,%0\n\t" \ - "ldc %1,sr\n\t"\ - : "=r" (_level ) \ - : "r" (SH_IRQDIS_VALUE) ); - -#define sh_enable_interrupts( _level ) \ - asm volatile( "ldc %0,sr\n\t" \ - "nop\n\t" \ - :: "r" (_level) ); - -/* - * This temporarily restores the interrupt to _level before immediately - * disabling them again. This is used to divide long RTEMS critical - * sections into two or more parts. The parameter _level is not - * modified. - */ - -#define sh_flash_interrupts( _level ) \ - asm volatile( \ - "ldc %1,sr\n\t" \ - "nop\n\t" \ - "ldc %0,sr\n\t" \ - "nop\n\t" \ - : : "r" (SH_IRQDIS_VALUE), "r" (_level) ); - -#define sh_get_interrupt_level( _level ) \ -{ \ - register unsigned32 _tmpsr ; \ - \ - asm volatile( "stc sr, %0" : "=r" (_tmpsr) ); \ - _level = (_tmpsr & 0xf0) >> 4 ; \ -} - -#define sh_set_interrupt_level( _newlevel ) \ -{ \ - register unsigned32 _tmpsr; \ - \ - asm volatile ( "stc sr, %0" : "=r" (_tmpsr) ); \ - _tmpsr = ( _tmpsr & ~0xf0 ) | ((_newlevel) << 4) ; \ - asm volatile( "ldc %0,sr" :: "r" (_tmpsr) ); \ -} - -/* - * The following routine swaps the endian format of an unsigned int. - * It must be static because it is referenced indirectly. - */ - -static inline unsigned int sh_swap_u32( - unsigned int value -) -{ - register unsigned int swapped; - - asm volatile ( - "swap.b %1,%0; " - "swap.w %0,%0; " - "swap.b %0,%0" - : "=r" (swapped) - : "r" (value) ); - - return( swapped ); -} - -static inline unsigned int sh_swap_u16( - unsigned int value -) -{ - register unsigned int swapped ; - - asm volatile ( "swap.b %1,%0" : "=r" (swapped) : "r" (value) ); - - return( swapped ); -} - -#define CPU_swap_u32( value ) sh_swap_u32( value ) -#define CPU_swap_u16( value ) sh_swap_u16( value ) - -/* - * Simple spin delay in microsecond units for device drivers. - * This is very dependent on the clock speed of the target. - * - * Since we don't have a real time clock, this is a very rough - * approximation, assuming that each cycle of the delay loop takes - * approx. 4 machine cycles. - * - * e.g.: MHZ = 20 => 5e-8 secs per instruction - * => 4 * 5e-8 secs per delay loop - */ - -#define sh_delay( microseconds ) \ -{ register unsigned int _delay = (microseconds) * (MHZ / 4 ); \ - asm volatile ( \ -"0: add #-1,%0\n \ - nop\n \ - cmp/pl %0\n \ - bt 0b\ - nop" \ - :: "r" (_delay) ); \ -} - -#define CPU_delay( microseconds ) sh_delay( microseconds ) - -extern unsigned int sh_set_irq_priority( - unsigned int irq, - unsigned int prio ); - -#endif /* !ASM */ - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/c/src/exec/score/cpu/sh/sh_io.h b/c/src/exec/score/cpu/sh/sh_io.h deleted file mode 100644 index 2a9111e307..0000000000 --- a/c/src/exec/score/cpu/sh/sh_io.h +++ /dev/null @@ -1,48 +0,0 @@ -/* - * These are some macros to access memory mapped devices - * on the SH7000-architecture. - * - * Inspired from the linux kernel's include/asm/io.h - * - * Authors: Ralf Corsepius (corsepiu@faw.uni-ulm.de) and - * Bernd Becker (becker@faw.uni-ulm.de) - * - * COPYRIGHT (c) 1996-1998, FAW Ulm, Germany - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - * - * - * COPYRIGHT (c) 1998. - * On-Line Applications Research Corporation (OAR). - * Copyright assigned to U.S. Government, 1994. - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#ifndef _asm_io_h -#define _asm_io_h - -#define readb(addr) (*(volatile unsigned char *) (addr)) -#define readw(addr) (*(volatile unsigned short *) (addr)) -#define readl(addr) (*(volatile unsigned int *) (addr)) -#define read8(addr) (*(volatile unsigned8 *) (addr)) -#define read16(addr) (*(volatile unsigned16 *) (addr)) -#define read32(addr) (*(volatile unsigned32 *) (addr)) - -#define writeb(b,addr) ((*(volatile unsigned char *) (addr)) = (b)) -#define writew(b,addr) ((*(volatile unsigned short *) (addr)) = (b)) -#define writel(b,addr) ((*(volatile unsigned int *) (addr)) = (b)) -#define write8(b,addr) ((*(volatile unsigned8 *) (addr)) = (b)) -#define write16(b,addr) ((*(volatile unsigned16 *) (addr)) = (b)) -#define write32(b,addr) ((*(volatile unsigned32 *) (addr)) = (b)) - -#define inb(addr) readb(addr) -#define outb(b,addr) writeb(b,addr) - -#endif diff --git a/c/src/exec/score/cpu/sh/shtypes.h b/c/src/exec/score/cpu/sh/shtypes.h deleted file mode 100644 index 853479c13b..0000000000 --- a/c/src/exec/score/cpu/sh/shtypes.h +++ /dev/null @@ -1,67 +0,0 @@ -/* - * This include file contains information pertaining to the Hitachi SH - * processor. - * - * Authors: Ralf Corsepius (corsepiu@faw.uni-ulm.de) and - * Bernd Becker (becker@faw.uni-ulm.de) - * - * COPYRIGHT (c) 1997-1998, FAW Ulm, Germany - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - * - * - * COPYRIGHT (c) 1998. - * On-Line Applications Research Corporation (OAR). - * Copyright assigned to U.S. Government, 1994. - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#ifndef __CPU_SH_TYPES_h -#define __CPU_SH_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 unsigned16 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 unsigned16 boolean; /* Boolean value, external */ - /* data bus has 16 bits */ - -typedef float single_precision; /* single precision float */ -typedef double double_precision; /* double precision float */ - -typedef void sh_isr; -typedef void ( *sh_isr_entry )( void ); - -#ifdef __cplusplus -} -#endif - -#endif /* !ASM */ - -#endif - |