From: sandeep Date: Tue, 18 Dec 2001 04:28:31 +0000 (+0000) Subject: Added tiniNative port X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=ca610cc8cc98a2ad949f99105cc5ac5d9012c573;p=fw%2Fsdcc Added tiniNative port git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@1703 4a8a32a2-be11-0410-ad9d-d568d2c75423 --- diff --git a/src/ds390/main.c b/src/ds390/main.c index 0f31d472..e2e21a08 100644 --- a/src/ds390/main.c +++ b/src/ds390/main.c @@ -363,5 +363,220 @@ PORT ds390_port = TRUE, /* we support array initializers. */ cseCostEstimation, __ds390_builtins, /* table of builtin functions */ + GPOINTER, /* treat unqualified pointers as "generic" pointers */ + 1, /* reset labelKey to 1 */ + 1, /* globals & local static allowed */ + PORT_MAGIC +}; + +/*---------------------------------------------------------------------------------*/ +/* TININative specific */ +/*---------------------------------------------------------------------------------*/ +/* Globals */ +static void _tininative_init (void) +{ + asm_addTree (&asm_a390_mapping); +} + +static void _tininative_setDefaultOptions (void) +{ + options.model=MODEL_FLAT24; + options.stack10bit=1; + options.stackAuto = 1; +} + +static void _tininative_finaliseOptions (void) +{ + /* Hack-o-matic: if we are using the flat24 model, + * adjust pointer sizes. + */ + if (options.model != MODEL_FLAT24) { + options.model = MODEL_FLAT24 ; + fprintf(stderr,"TININative supports only MODEL FLAT24\n"); + } + port->s.fptr_size = 3; + port->s.gptr_size = 4; + + port->stack.isr_overhead += 2; /* Will save dpx on ISR entry. */ + + port->stack.call_overhead += 2; /* This acounts for the extra byte + * of return addres on the stack. + * but is ugly. There must be a + * better way. + */ + + port->mem.default_local_map = xdata; + port->mem.default_globl_map = xdata; + + if (!options.stack10bit) { + options.stack10bit = 1; + fprintf(stderr,"TININative supports only stack10bit \n"); + } + + if (!options.stack_loc) options.stack_loc = 0x400007; + + /* generate native code 16*16 mul/div */ + if (options.useAccelerator) + port->support.muldiv=2; + else + port->support.muldiv=1; + + /* Fixup the memory map for the stack; it is now in + * far space and requires a FPOINTER to access it. + */ + istack->fmap = 1; + istack->ptrType = FPOINTER; + options.cc_only =1; +} /* MODEL_FLAT24 */ + +static int _tininative_genIVT (FILE * of, symbol ** interrupts, int maxInterrupts) +{ + return 1; +} +static void _tininative_genAssemblerPreamble (FILE * of) +{ + fputs ("_bpx EQU 080h \t\t; _bpx register unknown to assembler\n", of); + fputs ("dpx EQU 093h\t\t; dpx register unknown to assembler\n", of); + fputs ("dps EQU 086h\t\t; dps register unknown to assembler\n", of); + fputs ("dpl1 EQU 084h\t\t; dpl1 register unknown to assembler\n", of); + fputs ("dph1 EQU 085h\t\t; dph1 register unknown to assembler\n", of); + fputs ("dpx1 EQU 095h\t\t; dpx1 register unknown to assembler\n", of); + fputs ("ap EQU 09Ch\t\t; ap register unknown to assembler\n", of); + fputs ("mcnt0 EQU 0D1h\t\t; mcnt0 register unknown to assembler\n", of); + fputs ("mcnt1 EQU 0D2h\t\t; mcnt1 register unknown to assembler\n", of); + fputs ("ma EQU 0D3h\t\t; ma register unknown to assembler\n", of); + fputs ("mb EQU 0D4h\t\t; mb register unknown to assembler\n", of); + fputs ("mc EQU 0D5h\t\t; mc register unknown to assembler\n", of); + fputs ("F1 EQU 0D1h\t\t; F1 user flag unknown to assembler\n", of); + fputs ("esp EQU 09Bh\t\t; ESP user flag unknown to assembler\n", of); +} + +/* list of key words used by TININative */ +static char *_tininative_keywords[] = +{ + "at", + "bit", + "code", + "critical", + "data", + "far", + "idata", + "interrupt", + "near", + "pdata", + "reentrant", + "sfr", + "sbit", + "using", + "xdata", + "_data", + "_code", + "_generic", + "_near", + "_xdata", + "_pdata", + "_idata", + "_naked", + "_JavaNative", + NULL +}; + +static builtins __tininative_builtins[] = { + { "__builtin_memcpy_x2x","v",3,{"cx*","cx*","i"}}, /* void __builtin_memcpy_x2x (xdata char *,xdata char *,int) */ + { "__builtin_memcpy_c2x","v",3,{"cx*","cp*","i"}}, /* void __builtin_memcpy_c2x (xdata char *,code char *,int) */ + { "__builtin_memset_x","v",3,{"cx*","c","i"}}, /* void __builtin_memset (xdata char *,char,int) */ + { NULL , NULL,0, {NULL}} /* mark end of table */ +}; + +static const char *_a390Cmd[] = +{ + "a390", "$l", "$3", "$1.a51", NULL +}; +PORT tininative_port = +{ + TARGET_ID_DS390, + "TININative", + "DS80C390", /* Target name */ + { + FALSE, /* Emit glue around main */ + MODEL_FLAT24, + MODEL_FLAT24 + }, + { + _a390Cmd, + NULL, + "-l", /* Options with debug */ + "-l", /* Options without debug */ + 0, + ".a51" + }, + { + NULL, + NULL, + NULL, + ".tlib", + }, + { + _defaultRules + }, + { + /* Sizes: char, short, int, long, ptr, fptr, gptr, bit, float, max */ + 1, 2, 2, 4, 1, 3, 3, 1, 4, 4 + }, + { + "XSEG (XDATA)", + "STACK (DATA)", + "CSEG (CODE)", + "DSEG (DATA)", + "ISEG (DATA)", + "XSEG (XDATA)", + "BSEG (BIT)", + "RSEG (DATA)", + "GSINIT (CODE)", + "OSEG (OVR,DATA)", + "GSFINAL (CODE)", + "HOME (CODE)", + NULL, + NULL, + NULL, + NULL, + 1 + }, + { + +1, 1, 4, 1, 1, 0 + }, + /* ds390 has an 16 bit mul & div */ + { + 2, -1 + }, + "", + _tininative_init, + _ds390_parseOptions, + _tininative_finaliseOptions, + _tininative_setDefaultOptions, + ds390_assignRegisters, + _ds390_getRegName, + _tininative_keywords, + _tininative_genAssemblerPreamble, + _tininative_genIVT, + NULL, + _ds390_reset_regparm, + _ds390_regparm, + NULL, + NULL, + NULL, + FALSE, + 0, /* leave lt */ + 0, /* leave gt */ + 1, /* transform <= to ! > */ + 1, /* transform >= to ! < */ + 1, /* transform != to !(a == b) */ + 0, /* leave == */ + TRUE, /* we support array initializers. */ + cseCostEstimation, + __tininative_builtins, /* table of builtin functions */ + FPOINTER, /* treat unqualified pointers as far pointers */ + 0, /* DONOT reset labelKey */ + 0, /* globals & local static NOT allowed */ PORT_MAGIC };