X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fport.h;h=57aebe82f72072eeff1e8f9465f7d8a586c29f77;hb=29779804200986ce903b5086441b49265a122dc5;hp=b98eee5351aedee42d9601bed17d4b20eaa4eb35;hpb=60c38495d8e7d1941dfd7a42bd209cc7f22dd766;p=fw%2Fsdcc diff --git a/src/port.h b/src/port.h index b98eee53..57aebe82 100644 --- a/src/port.h +++ b/src/port.h @@ -6,14 +6,16 @@ #define PORT_INCLUDE /* Processor specific names */ -typedef struct { - /** Target name used for -m */ +typedef struct + { +/** Target name used for -m */ const char *target; - /** Target name string, used for --help */ +/** Target name string, used for --help */ const char *target_name; - struct { + struct + { /** TRUE if all types of glue functions should be inseted into the file that also defines main. We dont want this in cases like the z80 where the startup @@ -23,37 +25,45 @@ typedef struct { /* OR of MODEL_* */ int supported_models; int default_model; - } general; + } + general; /* assembler related information */ - struct { - /** Command to run and arguments (eg as-z80) */ + struct + { +/** Command to run and arguments (eg as-z80) */ const char **cmd; - /** Arguments for debug mode. PENDING: ignored */ +/** Arguments for debug mode. PENDING: ignored */ const char *debug_opts; - /** Arguments for normal assembly mode. PENDING: ignored */ +/** Arguments for normal assembly mode. PENDING: ignored */ const char *plain_opts; /* print externs as global */ int externGlobal; - } assembler; + } + assembler; /* linker related info */ - struct { - /** Command to run (eg link-z80) */ + struct + { +/** Command to run (eg link-z80) */ const char **cmd; - /** If non-null will be used to execute the link. */ - void (*do_link)(void); - /** Extention for object files (.rel, .obj, ...) */ +/** If non-null will be used to execute the link. */ + void (*do_link) (void); +/** Extention for object files (.rel, .obj, ...) */ const char *rel_ext; - } linker; + } + linker; - struct { - /** Default peephole rules */ + struct + { +/** Default peephole rules */ char *default_rules; - } peep; + } + peep; - /** Basic type sizes */ - struct { +/** Basic type sizes */ + struct + { int char_size; int short_size; int int_size; @@ -64,10 +74,12 @@ typedef struct { int bit_size; int float_size; int max_base_size; - } s; + } + s; - /** memory regions related stuff */ - struct { +/** memory regions related stuff */ + struct + { const char *xstack_name; const char *istack_name; const char *code_name; @@ -80,29 +92,33 @@ typedef struct { const char *overlay_name; const char *post_static_name; const char *home_name; - struct memmap *default_local_map ; /* default location for auto vars */ - struct memmap *default_globl_map ; /* default location for globl vars*/ - int code_ro; /* code space read-only 1=yes */ - } mem; - + struct memmap *default_local_map; /* default location for auto vars */ + struct memmap *default_globl_map; /* default location for globl vars */ + int code_ro; /* code space read-only 1=yes */ + } + mem; + /* stack related information */ - struct { - /** -1 for grows down (z80), +1 for grows up (mcs51) */ + struct + { +/** -1 for grows down (z80), +1 for grows up (mcs51) */ int direction; - /** Extra overhead when calling between banks */ +/** Extra overhead when calling between banks */ int bank_overhead; - /** Extra overhead when the function is an ISR */ +/** Extra overhead when the function is an ISR */ int isr_overhead; - /** Standard overhead for a function call */ +/** Standard overhead for a function call */ int call_overhead; - /** Re-enterant space */ +/** Re-enterant space */ int reent_overhead; /** 'banked' call overhead. Mild overlap with bank_overhead */ int banked_overhead; - } stack; + } + stack; - struct { + struct + { /** One more than the smallest mul/div operation the processor can do nativley Eg if the processor has an 8 bit mul, nativebelow is 2 */ @@ -111,65 +127,71 @@ typedef struct { for sizeof(param) < log2(force_reg) i.e. Use 2 for WORD and BYTE, 0 for none. */ int force_reg_param_below; - } muldiv; + } + muldiv; - /** Prefix to add to a C function (eg "_") */ +/** Prefix to add to a C function (eg "_") */ const char *fun_prefix; /** Called once the processor target has been selected. First chance to initalise and set any port specific varibles. 'port' is set before calling this. May be NULL. */ - void (*init)(void); - /** Parses one option + its arguments */ - bool (*parseOption)(int *pargc, char **argv, int *i); - /** Called after all the options have been parsed. */ - void (*finaliseOptions)(void); + void (*init) (void); +/** Parses one option + its arguments */ + bool (*parseOption) (int *pargc, char **argv, int *i); +/** Called after all the options have been parsed. */ + void (*finaliseOptions) (void); /** Called after the port has been selected but before any options are parsed. */ - void (*setDefaultOptions)(void); - /** Does the dirty work. */ - void (*assignRegisters)(struct eBBlock **, int); - + void (*setDefaultOptions) (void); +/** Does the dirty work. */ + void (*assignRegisters) (struct eBBlock **, int); + /** Returns the register name of a symbol. Used so that 'regs' can be an incomplete type. */ - const char *(*getRegName)(struct regs *reg); + const char *(*getRegName) (struct regs * reg); /* list of keywords that are used by this target (used by lexer) */ - char **keywords; - + char **keywords; + /* Write any port specific assembler output. */ - void (*genAssemblerPreamble)(FILE *of); - + void (*genAssemblerPreamble) (FILE * of); + /* Write the port specific IVT. If genIVT is NULL or if * it returns zero, default (8051) IVT generation code * will be used. */ - int (*genIVT)(FILE *of, symbol **intTable, int intCount); + int (*genIVT) (FILE * of, symbol ** intTable, int intCount); /* parameter passing in register related functions */ - void (*reset_regparms)(); /* reset the register count */ - int (*reg_parm)(struct link *); /* will return 1 if can be passed in register */ + void (*reset_regparms) (); /* reset the register count */ + int (*reg_parm) (struct sym_link *); /* will return 1 if can be passed in register */ /** Process the pragma string 'sz'. Returns 0 if recognised and processed, 1 otherwise. May be NULL. */ - int (*process_pragma)(const char *sz); + int (*process_pragma) (const char *sz); /** If TRUE, then tprintf and !dw will be used for some initalisers */ bool use_dw_for_init; /* condition transformations */ - bool lt_nge ; /* transform (a < b) to !(a >= b) */ - bool gt_nle ; /* transform (a > b) to !(a <= b) */ - bool le_ngt ; /* transform (a <= b) to !(a > b) */ - bool ge_nlt ; /* transform (a >= b) to !(a < b) */ - bool ne_neq ; /* transform a != b --> ! (a == b) */ - bool eq_nne ; /* transform a == b --> ! (a != b) */ -} PORT; + bool lt_nge; /* transform (a < b) to !(a >= b) */ + bool gt_nle; /* transform (a > b) to !(a <= b) */ + bool le_ngt; /* transform (a <= b) to !(a > b) */ + bool ge_nlt; /* transform (a >= b) to !(a < b) */ + bool ne_neq; /* transform a != b --> ! (a == b) */ + bool eq_nne; /* transform a == b --> ! (a != b) */ + +#define PORT_MAGIC 0xAC32 +/** Used at runtime to detect if this structure has been completly filled in. */ + int magic; + } +PORT; extern PORT *port; @@ -187,6 +209,17 @@ extern PORT avr_port; #endif #if !OPT_DISABLE_DS390 extern PORT ds390_port; +#else +PORT ds390_port; +#endif +#if !OPT_DISABLE_PIC +extern PORT pic14_port; +#endif +#if !OPT_DISABLE_I186 +extern PORT i186_port; +#endif +#if !OPT_DISABLE_TLCS900H +extern PORT tlcs900h_port; #endif /* Test to see if we are current compiling in DS390 mode. */ @@ -195,5 +228,6 @@ extern PORT ds390_port; #define IS_Z80_PORT (port == &z80_port) #define IS_AVR_PORT (port == &avr_port) #define IS_DS390_PORT (port == &ds390_port) +#define IS_PIC_PORT (port == &pic14_port) #endif