X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fxa51%2Fmain.c;h=f73aa782c06f74c3ffa613b8806ec512e0e3ae3d;hb=04a66f4aa0c6a3cf27d0b5339a74ed8e4f92f1a6;hp=51bc27f574d05d898cc0da77a6aaac30e6ff97c8;hpb=8c9c17bede2d442a7690c614260ee38e6b40b39a;p=fw%2Fsdcc diff --git a/src/xa51/main.c b/src/xa51/main.c old mode 100755 new mode 100644 index 51bc27f5..f73aa782 --- a/src/xa51/main.c +++ b/src/xa51/main.c @@ -42,7 +42,7 @@ static char *_xa51_keywords[] = NULL }; -/* rewinds declared in asm.c, function printCLine(). +/* rewinds declared in SDCCasm.c, function printCLine(). * Currently commented out. * * extern int rewinds; @@ -53,9 +53,9 @@ void _xa51_genAssemblerEnd (FILE * of) //rewinds==1 ? '\0' : 's'); } -void xa51_assignRegisters (eBBlock ** ebbs, int count); +void xa51_assignRegisters (ebbIndex *); -static int regParmFlg = 0; /* determine if we can register a parameter */ +static int regParmFlg = 0; /* determine if we can register a parameter */ static void _xa51_init (void) @@ -64,13 +64,13 @@ _xa51_init (void) } static void -_xa51_reset_regparm () +_xa51_reset_regparm (void) { regParmFlg = 0; } static int -_xa51_regparm (sym_link * l) +_xa51_regparm (sym_link * l, bool reentrant) { return 0; // for now /* for this processor it is simple @@ -123,23 +123,23 @@ _xa51_getRegName (struct regs *reg) /* Generate interrupt vector table. */ static int -_xa51_genIVT (FILE * of, symbol ** interrupts, int maxInterrupts) +_xa51_genIVT (struct dbuf_s * oBuf, symbol ** interrupts, int maxInterrupts) { return TRUE; } /* Generate code to copy XINIT to XISEG */ static void _xa51_genXINIT (FILE * of) { - fprintf (of, "; _xa51_genXINIT() start\n"); - fprintf (of, " mov r0,#l_XINIT\n"); - fprintf (of, " beq 00002$\n"); - fprintf (of, " mov r1,#s_XINIT\n"); + fprintf (of, "; _xa51_genXINIT() start\n"); + fprintf (of, " mov r0,#l_XINIT\n"); + fprintf (of, " beq 00002$\n"); + fprintf (of, " mov r1,#s_XINIT\n"); fprintf (of, " mov r2,#s_XISEG\n"); fprintf (of, "00001$: movc r3l,[r1+]\n"); fprintf (of, " mov [r2+],r3l\n"); fprintf (of, " djnz r0,00001$\n"); fprintf (of, "00002$:\n"); - fprintf (of, "; _xa51_genXINIT() end\n"); + fprintf (of, "; _xa51_genXINIT() end\n"); } static void @@ -178,16 +178,16 @@ static bool cseCostEstimation (iCode *ic, iCode *pdic) /* if it is a pointer then return ok for now */ if (IC_RESULT(ic) && IS_PTR(result_type)) return 1; - - /* if bitwise | add & subtract then no since xa51 is pretty good at it + + /* if bitwise | add & subtract then no since xa51 is pretty good at it so we will cse only if they are local (i.e. both ic & pdic belong to the same basic block */ if (IS_BITWISE_OP(ic) || ic->op == '+' || ic->op == '-') { - /* then if they are the same Basic block then ok */ - if (ic->eBBlockNum == pdic->eBBlockNum) return 1; - else return 0; + /* then if they are the same Basic block then ok */ + if (ic->eBBlockNum == pdic->eBBlockNum) return 1; + else return 0; } - + /* for others it is cheaper to do the cse */ return 1; } @@ -211,7 +211,7 @@ oclsExpense (struct memmap *oclass) { if (IN_FARSPACE(oclass)) return 1; - + return 0; } @@ -238,22 +238,22 @@ PORT xa51_port = { TARGET_ID_XA51, "xa51", - "MCU 80C51XA", /* Target name */ - NULL, /* Processor name */ + "MCU 80C51XA", /* Target name */ + NULL, /* Processor name */ { glue, - FALSE, /* Emit glue around main */ + FALSE, /* Emit glue around main */ MODEL_PAGE0, MODEL_PAGE0 }, { _asmCmd, NULL, - "", /* Options with debug */ - "", /* Options without debug */ + "", /* Options with debug */ + "", /* Options without debug */ 0, ".asm", - NULL /* no do_assemble function */ + NULL /* no do_assemble function */ }, { _linkCmd, @@ -266,15 +266,18 @@ PORT xa51_port = _defaultRules }, { - /* Sizes: char, short, int, long, ptr, fptr, gptr, bit, float, max */ + /* Sizes: char, short, int, long, ptr, fptr, gptr, bit, float, max */ 1, 2, 2, 4, 2, 2, 3, 1, 4, 4 }, + /* tags for generic pointers */ + { 0x00, 0x40, 0x60, 0x80 }, /* far, near, xstack, code */ { "XSEG (XDATA)", "STACK (XDATA)", "CSEG (CODE)", "DSEG (DATA)", NULL, //"ISEG (DATA)", + NULL, //"PSEG (PAG,XDATA)", "XSEG (XDATA)", "BSEG (BIT)", NULL, //"RSEG (DATA)", @@ -284,6 +287,10 @@ PORT xa51_port = "HOME (CODE)", "XISEG (XDATA)", // initialized xdata "XINIT (CODE)", // a code copy of xiseg + "CONST (CODE)", // const_name - const data (code or not) + "CABS (ABS,CODE)", // cabs_name - const absolute data (code or not) + "XABS (ABS,XDATA)", // xabs_name - absolute xdata + "IABS (ABS,DATA)", // iabs_name - absolute data NULL, // default local map NULL, // default global map 1 @@ -301,10 +308,24 @@ PORT xa51_port = { 2, -2 }, + { + xa51_emitDebuggerSymbol + }, + { + 255/3, /* maxCount */ + 3, /* sizeofElement */ + /* The rest of these costs are bogus. They approximate */ + /* the behavior of src/SDCCicode.c 1.207 and earlier. */ + {4,4,4}, /* sizeofMatchJump[] */ + {0,0,0}, /* sizeofRangeCompare[] */ + 0, /* sizeofSubtract */ + 3, /* sizeofDispatch */ + }, "_", _xa51_init, _xa51_parseOptions, NULL, + NULL, _xa51_finaliseOptions, _xa51_setDefaultOptions, xa51_assignRegisters, @@ -314,27 +335,27 @@ PORT xa51_port = _xa51_genAssemblerEnd, _xa51_genIVT, _xa51_genXINIT, - NULL, /* genInitStartup */ + NULL, /* genInitStartup */ _xa51_reset_regparm, _xa51_regparm, NULL, // process_pragma() NULL, // getMangledFunctionName() NULL, // hasNativeMulFor() - hasExtBitOp, /* hasExtBitOp */ - oclsExpense, /* oclsExpense */ + hasExtBitOp, /* hasExtBitOp */ + oclsExpense, /* oclsExpense */ TRUE, // use_dw_for_init - TRUE, /* little endian */ - 0, /* leave lt */ - 0, /* leave gt */ - 1, /* transform <= to ! > */ - 1, /* transform >= to ! < */ - 1, /* transform != to !(a == b) */ - 0, /* leave == */ + TRUE, /* little endian */ + 0, /* leave lt */ + 0, /* leave gt */ + 1, /* transform <= to ! > */ + 1, /* transform >= to ! < */ + 1, /* transform != to !(a == b) */ + 0, /* leave == */ FALSE, /* No array initializer support. */ cseCostEstimation, - NULL, /* no builtin functions */ - GPOINTER, /* treat unqualified pointers as "generic" pointers */ - 1, /* reset labelKey to 1 */ - 1, /* globals & local static allowed */ + NULL, /* no builtin functions */ + GPOINTER, /* treat unqualified pointers as "generic" pointers */ + 1, /* reset labelKey to 1 */ + 1, /* globals & local static allowed */ PORT_MAGIC };