#ifndef PORT_INCLUDE
#define PORT_INCLUDE
+#define TARGET_ID_MCS51 1
+#define TARGET_ID_GBZ80 2
+#define TARGET_ID_Z80 3
+#define TARGET_ID_AVR 4
+#define TARGET_ID_DS390 5
+#define TARGET_ID_PIC 6
+#define TARGET_ID_I186 7
+#define TARGET_ID_TLCS900H 8
+#define TARGET_ID_XA51 9
+
+/* Macro to test the target we are compiling for.
+ Can only be used after SDCCmain has defined the port
+*/
+#define TARGET_IS_MCS51 (port->id==TARGET_ID_MCS51)
+#define TARGET_IS_GBZ80 (port->id==TARGET_ID_GBZ80)
+#define TARGET_IS_Z80 (port->id==TARGET_ID_Z80)
+#define TARGET_IS_AVR (port->id==TARGET_ID_AVR)
+#define TARGET_IS_DS390 (port->id==TARGET_ID_DS390)
+#define TARGET_IS_PIC (port->id==TARGET_ID_PIC)
+#define TARGET_IS_I186 (port->id==TARGET_ID_I186)
+#define TARGET_IS_TCLS900H (port->id==TARGET_ID_TCLS900H)
+
/* Processor specific names */
-typedef struct {
- /** Target name used for -m */
+typedef struct
+ {
+/** Unique id for this target */
+ const int id;
+/** 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 {
- /** Command to run (eg as-z80) */
- const char *exec_name;
- /** Arguments for debug mode */
+
+ struct
+ {
+ /** TRUE if all types of glue functions should be inserted into
+ the file that also defines main.
+ We dont want this in cases like the z80 where the startup
+ code is provided by a seperate module.
+ */
+ bool glue_up_main;
+ /* OR of MODEL_* */
+ int supported_models;
+ int default_model;
+ }
+ general;
+
+ /* assembler related information */
+ struct
+ {
+/** Command to run and arguments (eg as-z80) */
+ const char **cmd;
+/** Arguments for debug mode. PENDING: ignored */
const char *debug_opts;
- /** Arguments for normal assembly mode */
+/** Arguments for normal assembly mode. PENDING: ignored */
const char *plain_opts;
- /** TRUE if the output file name should be pre-pended to the args */
- bool requires_output_name;
- } assembler;
- struct {
- /** Command to run (eg link-z80) */
- const char *exec_name;
- } linker;
- /** Basic type sizes */
- struct {
+ /* print externs as global */
+ int externGlobal;
+ /* assembler file extension */
+ const char *file_ext;
+ }
+ assembler;
+
+ /* linker related info */
+ 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, ...) */
+ const char *rel_ext;
+ }
+ linker;
+
+ struct
+ {
+/** Default peephole rules */
+ char *default_rules;
+ }
+ peep;
+
+/** Basic type sizes */
+ struct
+ {
int char_size;
int short_size;
int int_size;
int bit_size;
int float_size;
int max_base_size;
- } s;
- struct {
- /** -1 for grows down (z80), +1 for grows up (mcs51) */
+ }
+ s;
+
+/** memory regions related stuff */
+ struct
+ {
+ const char *xstack_name;
+ const char *istack_name;
+ const char *code_name;
+ const char *data_name;
+ const char *idata_name;
+ const char *xdata_name;
+ const char *bit_name;
+ const char *reg_name;
+ const char *static_name;
+ 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;
+
+ /* stack related information */
+ 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;
- /** Initial SP offset */
- int start_sp;
- } stack;
- struct {
- /** One more than the smallest mul/div operation the processor can do nativley
+/** Re-enterant space */
+ int reent_overhead;
+ /** 'banked' call overhead.
+ Mild overlap with bank_overhead */
+ int banked_overhead;
+ }
+ stack;
+
+ 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 */
- int nativebelow;
- } muldiv;
- /** Parses one option + its arguments */
- bool (*parseOption)(int *pargc, char **argv);
- /** Called after all the options have been parsed. */
- void (*finaliseOptions)(void);
+ unsigned muldiv;
+ unsigned shift;
+ }
+ support;
+
+/** 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 variables.
+ '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);
/** Called after the port has been selected but before any
options are parsed. */
- void (*setDefaultOptions)(void);
- /** Does the dirty work. */
- void (*assignRegisters)(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);
-} PORT;
+ const char *(*getRegName) (struct regs * reg);
+
+ /* list of keywords that are used by this
+ target (used by lexer) */
+ char **keywords;
+
+ /* Write any port specific assembler output. */
+ 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);
+
+
+ /* parameter passing in register related functions */
+ 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);
+
+ /** Mangles a support function name to reflect the calling model.
+ */
+ char *(*getMangledFunctionName) (char *szOrginial);
+
+ /** 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) */
+
+#define PORT_MAGIC 0xAC32
+/** Used at runtime to detect if this structure has been completly filled in. */
+ int magic;
+ }
+PORT;
extern PORT *port;
+#if !OPT_DISABLE_MCS51
+extern PORT mcs51_port;
+#endif
+#if !OPT_DISABLE_GBZ80
+extern PORT gbz80_port;
+#endif
+#if !OPT_DISABLE_Z80
+extern PORT z80_port;
+#endif
+#if !OPT_DISABLE_AVR
+extern PORT avr_port;
+#endif
+#if !OPT_DISABLE_DS390
+extern PORT ds390_port;
+#endif
+#if !OPT_DISABLE_PIC
+extern PORT pic_port;
+#endif
+#if !OPT_DISABLE_I186
+extern PORT i186_port;
+#endif
+#if !OPT_DISABLE_TLCS900H
+extern PORT tlcs900h_port;
#endif
+#endif /* PORT_INCLUDE*/