diff options
Diffstat (limited to 'cpukit/libfs/src/jffs2/include/cyg/infra/cyg_type.h')
| -rw-r--r-- | cpukit/libfs/src/jffs2/include/cyg/infra/cyg_type.h | 484 |
1 files changed, 3 insertions, 481 deletions
diff --git a/cpukit/libfs/src/jffs2/include/cyg/infra/cyg_type.h b/cpukit/libfs/src/jffs2/include/cyg/infra/cyg_type.h index 5047493527..e046872712 100644 --- a/cpukit/libfs/src/jffs2/include/cyg/infra/cyg_type.h +++ b/cpukit/libfs/src/jffs2/include/cyg/infra/cyg_type.h @@ -55,130 +55,11 @@ // #include <stddef.h> // Definition of NULL from the compiler +#include <stdint.h> -// ------------------------------------------------------------------------- -// Some useful macros. These are defined here by default. - -// __externC is used in mixed C/C++ headers to force C linkage on an external -// definition. It avoids having to put all sorts of ifdefs in. +typedef uint16_t cyg_uint16; -#ifdef __cplusplus -# define __externC extern "C" -#else -# define __externC extern -#endif -// Also define externC for now - but it is deprecated -#define externC __externC - -// Compiler version. -#ifdef __GNUC__ -# if defined(__GNU_PATCHLEVEL__) -# define __GNUC_VERSION__ (__GNUC__ * 10000 \ - + __GNUC_MINOR__ * 100 \ - + __GNUC_PATCHLEVEL__) -# else -# define __GNUC_VERSION__ (__GNUC__ * 10000 \ - + __GNUC_MINOR__ * 100) -# endif -#endif - -// ------------------------------------------------------------------------- -// The header <basetype.h> defines the base types used here. It is -// supplied either by the target architecture HAL, or by the host -// porting kit. They are all defined as macros, and only those that -// make choices other than the defaults given below need be defined. - -#define CYG_LSBFIRST 1234 -#define CYG_MSBFIRST 4321 - -#include <cyg/hal/basetype.h> - -#if (CYG_BYTEORDER != CYG_LSBFIRST) && (CYG_BYTEORDER != CYG_MSBFIRST) -# error You must define CYG_BYTEORDER to equal CYG_LSBFIRST or CYG_MSBFIRST -#endif - -#ifndef CYG_DOUBLE_BYTEORDER -#define CYG_DOUBLE_BYTEORDER CYG_BYTEORDER -#endif - -#ifndef cyg_halint8 -# define cyg_halint8 char -#endif -#ifndef cyg_halint16 -# define cyg_halint16 short -#endif -#ifndef cyg_halint32 -# define cyg_halint32 int -#endif -#ifndef cyg_halint64 -# define cyg_halint64 long long -#endif - -#ifndef cyg_halcount8 -# define cyg_halcount8 int -#endif -#ifndef cyg_halcount16 -# define cyg_halcount16 int -#endif -#ifndef cyg_halcount32 -# define cyg_halcount32 int -#endif -#ifndef cyg_halcount64 -# define cyg_halcount64 long long -#endif - -#ifndef cyg_haladdress -# define cyg_haladdress cyg_uint32 -#endif -#ifndef cyg_haladdrword -# define cyg_haladdrword cyg_uint32 -#endif - -#ifndef cyg_halbool -# define cyg_halbool int -#endif - -#ifndef cyg_halatomic -# define cyg_halatomic cyg_halint8 -#endif - -// ------------------------------------------------------------------------- -// Provide a default architecture alignment -// This may be overridden in basetype.h if necessary. -// These should be straightforward numbers to allow use in assembly. - -#ifndef CYGARC_ALIGNMENT -# define CYGARC_ALIGNMENT 8 -#endif -// And corresponding power of two alignment -#ifndef CYGARC_P2ALIGNMENT -# define CYGARC_P2ALIGNMENT 3 -#endif -#if (CYGARC_ALIGNMENT) != (1 << CYGARC_P2ALIGNMENT) -# error "Inconsistent CYGARC_ALIGNMENT and CYGARC_P2ALIGNMENT values" -#endif - -// ------------------------------------------------------------------------- -// The obvious few that compilers may define for you. -// But in case they don't: - -#ifndef NULL -# define NULL 0 -#endif - -#ifndef __cplusplus - -typedef cyg_halbool bool; - -# ifndef false -# define false 0 -# endif - -# ifndef true -# define true (!false) -# endif - -#endif +typedef uint32_t cyg_uint32; // ------------------------------------------------------------------------- // Allow creation of procedure-like macros that are a single statement, @@ -195,365 +76,6 @@ typedef cyg_halbool bool; __tmp1 = __tmp2; \ CYG_MACRO_END - -//---------------------------------------------------------------------------- -// The unused attribute stops the compiler warning about the variable -// not being used. -// The used attribute prevents the compiler from optimizing it away. - -#define CYG_REFERENCE_OBJECT(__object__) \ - CYG_MACRO_START \ - static const void* __cygvar_discard_me__ \ - __attribute__ ((unused, used)) = (const void*)&(__object__); \ - CYG_MACRO_END - -// ------------------------------------------------------------------------- -// Define basic types for using integers in memory and structures; -// depends on compiler defaults and CPU type. - -typedef unsigned cyg_halint8 cyg_uint8 ; -typedef signed cyg_halint8 cyg_int8 ; - -typedef unsigned cyg_halint16 cyg_uint16 ; -typedef signed cyg_halint16 cyg_int16 ; - -typedef unsigned cyg_halint32 cyg_uint32 ; -typedef signed cyg_halint32 cyg_int32 ; - -typedef unsigned cyg_halint64 cyg_uint64 ; -typedef signed cyg_halint64 cyg_int64 ; - -typedef cyg_halbool cyg_bool ; - -// ------------------------------------------------------------------------- -// Define types for using integers in registers for looping and the like; -// depends on CPU type, choose what it is most comfortable with, with at -// least the range required. - -typedef unsigned cyg_halcount8 cyg_ucount8 ; -typedef signed cyg_halcount8 cyg_count8 ; - -typedef unsigned cyg_halcount16 cyg_ucount16 ; -typedef signed cyg_halcount16 cyg_count16 ; - -typedef unsigned cyg_halcount32 cyg_ucount32 ; -typedef signed cyg_halcount32 cyg_count32 ; - -typedef unsigned cyg_halcount64 cyg_ucount64 ; -typedef signed cyg_halcount64 cyg_count64 ; - -// ------------------------------------------------------------------------- -// Define a type to be used for atomic accesses. This type is guaranteed -// to be read or written in a single uninterruptible operation. This type -// is at least a single byte. - -typedef volatile unsigned cyg_halatomic cyg_atomic; -typedef volatile unsigned cyg_halatomic CYG_ATOMIC; - -// ------------------------------------------------------------------------- -// Define types for access plain, on-the-metal memory or devices. - -typedef cyg_uint32 CYG_WORD; -typedef cyg_uint8 CYG_BYTE; -typedef cyg_uint16 CYG_WORD16; -typedef cyg_uint32 CYG_WORD32; -typedef cyg_uint64 CYG_WORD64; - -typedef cyg_haladdress CYG_ADDRESS; -typedef cyg_haladdrword CYG_ADDRWORD; - -// ------------------------------------------------------------------------- -// Number of elements in a (statically allocated) array. - -#define CYG_NELEM(a) (sizeof(a) / sizeof((a)[0])) - -// ------------------------------------------------------------------------- -// Constructor ordering macros. These are added as annotations to all -// static objects to order the constuctors appropriately. - -#if defined(__cplusplus) && defined(__GNUC__) && \ - !defined(CYGBLD_ATTRIB_INIT_PRI) -# define CYGBLD_ATTRIB_INIT_PRI( _pri_ ) __attribute__((init_priority(_pri_))) -#elif !defined(CYGBLD_ATTRIB_INIT_PRI) -// FIXME: should maybe just bomb out if this is attempted anywhere else? -// Not sure -# define CYGBLD_ATTRIB_INIT_PRI( _pri_ ) -#endif - -// The following will be removed eventually as it doesn't allow the use of -// e.g. pri+5 format -#define CYG_INIT_PRIORITY( _pri_ ) CYGBLD_ATTRIB_INIT_PRI( CYG_INIT_##_pri_ ) - -#define CYGBLD_ATTRIB_INIT_BEFORE( _pri_ ) CYGBLD_ATTRIB_INIT_PRI(_pri_-100) -#define CYGBLD_ATTRIB_INIT_AFTER( _pri_ ) CYGBLD_ATTRIB_INIT_PRI(_pri_+100) - -#if defined(__GNUC__) && !defined(__cplusplus) && (__GNUC_VERSION__ >= 40300) -// Equivalents of the above for C functions, available from gcc 4.3 onwards. -# define CYGBLD_ATTRIB_C_INIT_PRI( _pri_) __attribute__((constructor (_pri_))) -# define CYGBLD_ATTRIB_C_INIT_BEFORE( _pri_ ) __attribute__((constructor (_pri_-100))) -# define CYGBLD_ATTRIB_C_INIT_AFTER( _pri_ ) __attribute__((constructor (_pri_+100))) -#endif - -// Start with initializing everything inside the cpu and the main memory. -#define CYG_INIT_HAL 10000 -#define CYG_INIT_SCHEDULER 11000 -#define CYG_INIT_IDLE_THREAD 11100 -#define CYG_INIT_INTERRUPTS 12000 -#define CYG_INIT_CLOCK 14000 -#define CYG_INIT_THREADS 16000 -#define CYG_INIT_KERNEL 19000 -#define CYG_INIT_MEMALLOC 20000 -// Now move on to I/O subsystems and device drivers. These can make use of -// kernel and HAL functionality, and can dynamically allocate memory if -// absolutely needed. For now they can also assume that diag_printf() -// functionality is available, but that may change in future. -// -// Primary buses are ones very closely tied to the processor, e.g. PCI. -#define CYG_INIT_BUS_PRIMARY 30000 -// Not yet: on some targets cyg_pci_init() has to be called very early -// on for HAL diagnostics to work. -// #define CYG_INIT_BUS_PCI CYG_INIT_BUS_PRIMARY -// -// Secondary buses may hang off primary buses, e.g. USB host. -#define CYG_INIT_BUS_SECONDARY 31000 -// Tertiary buses are everything else. -#define CYG_INIT_BUS_TERTIARY 32000 -#define CYG_INIT_BUS_I2C CYG_INIT_BUS_TERTIARY -#define CYG_INIT_BUS_SPI CYG_INIT_BUS_TERTIARY -// -// In future HAL diag initialization may happen at this point. -// -// Watchdogs and wallclocks often hang off a tertiary bus but -// have no dependencies -#define CYG_INIT_DEV_WATCHDOG 35000 -#define CYG_INIT_DEV_WALLCLOCK 36000 -// A primary block configuration can be initialized with no need -// for per-unit configuration information. -#define CYG_INIT_DEV_BLOCK_PRIMARY 37000 -#define CYG_INIT_DEV_FLASH CYG_INIT_DEV_BLOCK_PRIMARY -// Per-unit configuration data extracted from primary storage. -// NOTE: for future use, not implemented yet. -#define CYG_INIT_CONFIG 38000 -// Secondary block devices may use per-unit configuration data -// for e.g. interpreting partition layout. Few devices are expected -// to fall into this category. Note that these devices, as well as -// some char devices, may not actually be usable until interrupts -// are enabled. -#define CYG_INIT_DEV_BLOCK_SECONDARY 40000 -// Char devices are everything else: serial, ethernet, CAN, ... -#define CYG_INIT_DEV_CHAR 41000 -// For backwards compatibility. Subject to change in future so -// a CYG_INIT_DEV_ priority should be used instead. -#define CYG_INIT_DRIVERS 48000 -// CYG_INIT_IO and CYG_INIT_IO_FS are poorly defined at present, -// and may get reorganized in future. -#define CYG_INIT_IO 49000 -#define CYG_INIT_IO_FS 50000 -// The I/O subsystems and device drivers have been initialized. -#define CYG_INIT_LIBC 56000 -#define CYG_INIT_COMPAT 58000 -#define CYG_INIT_APPLICATION 60000 -#define CYG_INIT_PREDEFAULT 65534 -#define CYG_INIT_DEFAULT 65535 - -// ------------------------------------------------------------------------- -// Label name macros. Some toolsets generate labels with initial -// underscores and others don't. CYG_LABEL_NAME should be used on -// labels in C/C++ code that are defined in assembly code or linker -// scripts. CYG_LABEL_DEFN is for use in assembly code and linker -// scripts where we need to manufacture labels that can be used from -// C/C++. -// These are default implementations that should work for most targets. -// They may be overridden in basetype.h if necessary. - -#ifndef CYG_LABEL_NAME - -#define CYG_LABEL_NAME(_name_) _name_ - -#endif - -#ifndef CYG_LABEL_DEFN - -#define CYG_LABEL_DEFN(_label) _label - -#endif - -// ------------------------------------------------------------------------- -// COMPILER-SPECIFIC STUFF - -#ifdef __GNUC__ -// Force a 'C' routine to be called like a 'C++' contructor -# if !defined(CYGBLD_ATTRIB_CONSTRUCTOR) -# define CYGBLD_ATTRIB_CONSTRUCTOR __attribute__((constructor)) -# endif - -// Define a compiler-specific rune for saying a function doesn't return -# if !defined(CYGBLD_ATTRIB_NORET) -# define CYGBLD_ATTRIB_NORET __attribute__((noreturn)) -# endif - -// How to define weak symbols - this is only relevant for ELF and a.out, -// but that won't be a problem for eCos -# if !defined(CYGBLD_ATTRIB_WEAK) -# define CYGBLD_ATTRIB_WEAK __attribute__ ((weak)) -# endif - -// How to define alias to symbols. Just pass in the symbol itself, not -// the string name of the symbol -# if !defined(CYGBLD_ATTRIB_ALIAS) -# define CYGBLD_ATTRIB_ALIAS(__symbol__) \ - __attribute__ ((alias (#__symbol__))) -# endif - -// This effectively does the reverse of the previous macro. It defines -// a name that the attributed variable or function will actually have -// in assembler. -# if !defined(CYGBLD_ATTRIB_ASM_ALIAS) -# define __Str(x) #x -# define __Xstr(x) __Str(x) -# define CYGBLD_ATTRIB_ASM_ALIAS(__symbol__) \ - __asm__ ( __Xstr( CYG_LABEL_DEFN( __symbol__ ) ) ) -# endif - -// Shows that a function returns the same value when given the same args, but -// note this can't be used if there are pointer args -# if !defined(CYGBLD_ATTRIB_CONST) -# define CYGBLD_ATTRIB_CONST __attribute__((const)) -#endif - -// Assign a defined variable to a specific section -# if !defined(CYGBLD_ATTRIB_SECTION) -# define CYGBLD_ATTRIB_SECTION(__sect__) __attribute__((section (__sect__))) -# endif - -// Give a type or object explicit minimum alignment -# if !defined(CYGBLD_ATTRIB_ALIGN) -# define CYGBLD_ATTRIB_ALIGN(__align__) __attribute__((aligned(__align__))) -# endif - -# if !defined(CYGBLD_ATTRIB_ALIGN_MAX) -# define CYGBLD_ATTRIB_ALIGN_MAX __attribute__((aligned)) -# endif - -# if !defined(CYGBLD_ATTRIB_ALIGNOFTYPE) -# define CYGBLD_ATTRIB_ALIGNOFTYPE( _type_ ) \ - __attribute__((aligned(__alignof__( _type_ )))) -# endif - -// Teach compiler how to check format of printf-like functions -# define CYGBLD_ATTRIB_PRINTF_FORMAT(__format__, __args__) \ - __attribute__((format (printf, __format__, __args__))) - -// Teach compiler how to check format of scanf-like functions -# define CYGBLD_ATTRIB_SCANF_FORMAT(__format__, __args__) \ - __attribute__((format (scanf, __format__, __args__))) - -// Teach compiler how to check format of strftime-like functions -# define CYGBLD_ATTRIB_STRFTIME_FORMAT(__format__, __args__) \ - __attribute__((format (strftime, __format__, __args__))) - -// Tell compiler not to warn us about an unused variable -- generally -// because it will be used when sources are build under certain -// circumstances (e.g. with debugging or asserts enabled. -# define CYGBLD_ATTRIB_UNUSED __attribute__((unused)) - -// Tell the compiler not to throw away a variable or function. Only known -// available on 3.3.2 or above. Old version's didn't throw them away, -// but using the unused attribute should stop warnings. -# if !defined(CYGBLD_ATTRIB_USED) -# if __GNUC_VERSION__ >= 30302 -# define CYGBLD_ATTRIB_USED __attribute__((used)) -# else -# define CYGBLD_ATTRIB_USED __attribute__((unused)) -# endif -# endif - -// Enforce inlining of a C function. GCC does not inline any C -// function when not optimizing, unless you specify "always_inline" attribute. -// Other attributes suppress generation of standalone function. -# if !defined(CYGBLD_FORCE_INLINE) -# define CYGBLD_FORCE_INLINE __externC inline __attribute((gnu_inline)) __attribute((always_inline)) -# endif - -// Suppress function inlining -#define CYGBLD_ATTRIB_NO_INLINE __attribute__((noinline)) - -#else // non-GNU - -# define CYGBLD_ATTRIB_UNUSED /* nothing */ - -# define CYGBLD_ATTRIB_CONSTRUCTOR - -# define CYGBLD_ATTRIB_NORET - // This intentionally gives an error only if we actually try to - // use it. #error would give an error if we simply can't. -// FIXME: Had to disarm the bomb - the CYGBLD_ATTRIB_WEAK macro is now -// (indirectly) used in host tools. -# define CYGBLD_ATTRIB_WEAK /* !!!-- Attribute weak not defined --!!! */ - -# define CYGBLD_ATTRIB_ALIAS(__x__) !!!-- Attribute alias not defined --!!! - -# define CYGBLD_ATTRIB_ASM_ALIAS(__symbol__) !!!-- Asm alias not defined --!!! - -# define CYGBLD_ATTRIB_CONST - -# define CYGBLD_ATTRIB_ALIGN(__align__) !!!-- Alignment alias not defined --!!! - -# define CYGBLD_ATTRIB_ALIGN_MAX !!!-- Alignment alias not defined --!!! - -# define CYGBLD_ATTRIB_ALIGNOFTYPE( _type_ ) !!!-- Alignment alias not defined --!!! - -# define CYGBLD_ATTRIB_PRINTF_FORMAT(__format__, __args__) - -# define CYGBLD_ATTRIB_SCANF_FORMAT(__format__, __args__) - -# define CYGBLD_ATTRIB_STRFTIME_FORMAT(__format__, __args__) - -#define CYGBLD_FORCE_INLINE - -#define CYGBLD_ATTRIB_NO_INLINE - -#endif - -// How to define weak aliases. Currently this is simply a mixture of the -// above - -# define CYGBLD_ATTRIB_WEAK_ALIAS(__symbol__) \ - CYGBLD_ATTRIB_WEAK CYGBLD_ATTRIB_ALIAS(__symbol__) - -#ifdef __cplusplus -# define __THROW throw() -#else -# define __THROW -#endif - -// ------------------------------------------------------------------------- -// Variable annotations -// These annotations may be added to various static variables in the -// HAL and kernel to indicate which component they belong to. These -// are used by some targets to optimize memory placement of these -// variables. - -#ifndef CYGBLD_ANNOTATE_VARIABLE_HAL -#define CYGBLD_ANNOTATE_VARIABLE_HAL -#endif -#ifndef CYGBLD_ANNOTATE_VARIABLE_SCHED -#define CYGBLD_ANNOTATE_VARIABLE_SCHED -#endif -#ifndef CYGBLD_ANNOTATE_VARIABLE_CLOCK -#define CYGBLD_ANNOTATE_VARIABLE_CLOCK -#endif -#ifndef CYGBLD_ANNOTATE_VARIABLE_INTR -#define CYGBLD_ANNOTATE_VARIABLE_INTR -#endif - -// ------------------------------------------------------------------------- -// Various "flavours" of memory regions that can be described by the -// Memory Layout Tool (MLT). - -#define CYGMEM_REGION_ATTR_R 0x01 // Region can be read -#define CYGMEM_REGION_ATTR_W 0x02 // Region can be written - // ------------------------------------------------------------------------- #endif // CYGONCE_INFRA_CYG_TYPE_H multiple inclusion protection // EOF cyg_type.h |