#include "gen.h"
#include "BuildCmd.h"
#include "MySystem.h"
+#include "dbuf_string.h"
#include "../SDCCutil.h"
#include "../SDCCglobl.h"
static char _defaultRules[] =
#include "peeph.rul"
};
+#define OPTION_STACK_8BIT "--stack-8bit"
+#define OPTION_FLAT24_MODEL "--model-flat24"
+#define OPTION_STACK_SIZE "--stack-size"
+
+static OPTION _ds390_options[] =
+ {
+ { 0, OPTION_FLAT24_MODEL, NULL, "use the flat24 model for the ds390 (default)" },
+ { 0, OPTION_STACK_8BIT, NULL, "use the 8bit stack for the ds390 (not supported yet)" },
+ { 0, OPTION_STACK_SIZE, &options.stack_size, "Tells the linker to allocate this space for stack", CLAT_INTEGER },
+ { 0, "--pack-iram", NULL, "Tells the linker to pack variables in internal ram (default)"},
+ { 0, "--no-pack-iram", &options.no_pack_iram, "Tells the linker not to pack variables in internal ram"},
+ { 0, "--stack-10bit", &options.stack10bit, "use the 10bit stack for ds390 (default)" },
+ { 0, "--use-accelerator", &options.useAccelerator, "generate code for ds390 arithmetic accelerator"},
+ { 0, "--protect-sp-update", &options.protect_sp_update, "will disable interrupts during ESP:SP updates"},
+ { 0, "--parms-in-bank1", &options.parms_in_bank1, "use Bank1 for parameter passing"},
+ { 0, NULL }
+ };
+
+
/* list of key words used by msc51 */
static char *_ds390_keywords[] =
{
"pdata",
"reentrant",
"sfr",
+ "sfr16",
+ "sfr32",
"sbit",
"using",
"xdata",
static builtins __ds390_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) */
+ { "__builtin_memset_x","v",3,{"cx*","c","i"}}, /* void __builtin_memset (xdata char *,char,int) */
/* __builtin_inp - used to read from a memory mapped port, increment first pointer */
{ "__builtin_inp","v",3,{"cx*","cx*","i"}}, /* void __builtin_inp (xdata char *,xdata char *,int) */
/* __builtin_inp - used to write to a memory mapped port, increment first pointer */
{ "__builtin_outp","v",3,{"cx*","cx*","i"}}, /* void __builtin_outp (xdata char *,xdata char *,int) */
- { "__builtin_swapw","us",1,{"us"}}, /* unsigned short __builtin_swapw (unsigned short) */
+ { "__builtin_swapw","us",1,{"us"}}, /* unsigned short __builtin_swapw (unsigned short) */
{ "__builtin_memcmp_x2x","c",3,{"cx*","cx*","i"}}, /* void __builtin_memcmp_x2x (xdata char *,xdata char *,int) */
{ "__builtin_memcmp_c2x","c",3,{"cx*","cp*","i"}}, /* void __builtin_memcmp_c2x (xdata char *,code char *,int) */
- { NULL , NULL,0, {NULL}} /* mark end of table */
-};
-void ds390_assignRegisters (eBBlock ** ebbs, int count);
+ { NULL , NULL,0, {NULL}} /* mark end of table */
+};
+void ds390_assignRegisters (ebbIndex * ebbi);
-static int regParmFlg = 0; /* determine if we can register a parameter */
+static int regParmFlg = 0; /* determine if we can register a parameter */
static void
_ds390_init (void)
}
static void
-_ds390_reset_regparm ()
+_ds390_reset_regparm (void)
{
regParmFlg = 0;
}
static int
-_ds390_regparm (sym_link * l)
+_ds390_regparm (sym_link * l, bool reentrant)
{
-
+ if (IS_SPEC(l) && (SPEC_NOUN(l) == V_BIT))
+ return 0;
if (options.parms_in_bank1 == 0) {
- /* simple can pass only the first parameter in a register */
- if (regParmFlg)
- return 0;
+ /* simple can pass only the first parameter in a register */
+ if (regParmFlg)
+ return 0;
- regParmFlg = 1;
- return 1;
+ regParmFlg = 1;
+ return 1;
} else {
- int size = getSize(l);
- int remain ;
-
- /* first one goes the usual way to DPTR */
- if (regParmFlg == 0) {
- regParmFlg += 4 ;
- return 1;
- }
- /* second one onwards goes to RB1_0 thru RB1_7 */
+ int size = getSize(l);
+ int remain ;
+
+ /* first one goes the usual way to DPTR */
+ if (regParmFlg == 0) {
+ regParmFlg += 4 ;
+ return 1;
+ }
+ /* second one onwards goes to RB1_0 thru RB1_7 */
remain = regParmFlg - 4;
- if (size > (8 - remain)) {
- regParmFlg = 12 ;
- return 0;
- }
- regParmFlg += size ;
- return regParmFlg - size + 1;
+ if (size > (8 - remain)) {
+ regParmFlg = 12 ;
+ return 0;
+ }
+ regParmFlg += size ;
+ return regParmFlg - size + 1;
}
}
/* TODO: allow port-specific command line options to specify
* segment names here.
*/
+ if (!strcmp (argv[*i], OPTION_STACK_8BIT))
+ {
+ options.stack10bit = 0;
+ return TRUE;
+ }
+ else if (!strcmp (argv[*i], OPTION_FLAT24_MODEL))
+ {
+ options.model = MODEL_FLAT24;
+ return TRUE;
+ }
return FALSE;
}
*/
if (options.model != MODEL_FLAT24) {
fprintf (stderr,
- "*** warning: ds390 port small and large model experimental.\n");
+ "*** warning: ds390 port small and large model experimental.\n");
if (options.model == MODEL_LARGE)
{
port->mem.default_local_map = xdata;
port->s.fptr_size = 3;
port->s.gptr_size = 4;
- port->stack.isr_overhead += 2; /* Will save dpx on ISR entry. */
+ 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->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)
{
fprintf (stderr,
- "*** error: ds390 port only supports the 10 bit stack mode.\n");
+ "*** error: ds390 port only supports the 10 bit stack mode.\n");
} else {
- if (!options.stack_loc) options.stack_loc = 0x400008;
+ if (!options.stack_loc) options.stack_loc = 0x400008;
}
-
+
/* generate native code 16*16 mul/div */
- if (options.useAccelerator)
- port->support.muldiv=2;
- else
- port->support.muldiv=1;
+ 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->ptrType = FPOINTER;
if (options.parms_in_bank1) {
- addSet(&preArgvSet, Safe_strdup("-DSDCC_PARMS_IN_BANK1"));
+ addSet(&preArgvSet, Safe_strdup("-DSDCC_PARMS_IN_BANK1"));
}
} /* MODEL_FLAT24 */
}
fputs ("mc\t=\t0xD5\n", of);
fputs ("F1\t=\t0xD1\t; user flag\n", of);
if (options.parms_in_bank1) {
- int i ;
- for (i=0; i < 8 ; i++ )
- fprintf (of,"b1_%d\t=\t0x%02X\n",i,8+i);
+ int i ;
+ for (i=0; i < 8 ; i++ )
+ fprintf (of,"b1_%d\t=\t0x%02X\n",i,8+i);
}
}
/* Generate interrupt vector table. */
static int
-_ds390_genIVT (FILE * of, symbol ** interrupts, int maxInterrupts)
+_ds390_genIVT (struct dbuf_s * oBuf, symbol ** interrupts, int maxInterrupts)
{
int i;
if (options.model != MODEL_FLAT24)
{
- /* Let the default code handle it. */
- return FALSE;
+ dbuf_printf (oBuf, "\tljmp\t__sdcc_gsinit_startup\n");
+
+ /* now for the other interrupts */
+ for (i = 0; i < maxInterrupts; i++)
+ {
+ if (interrupts[i])
+ {
+ dbuf_printf (oBuf, "\tljmp\t%s\n", interrupts[i]->rname);
+ if ( i != maxInterrupts - 1 )
+ dbuf_printf (oBuf, "\t.ds\t5\n");
+ }
+ else
+ {
+ dbuf_printf (oBuf, "\treti\n");
+ if ( i != maxInterrupts - 1 )
+ dbuf_printf (oBuf, "\t.ds\t7\n");
+ }
+ }
+ return TRUE;
}
- fprintf (of, "\tajmp\t__reset_vect\n");
+ dbuf_printf (oBuf, "\tajmp\t__reset_vect\n");
/* now for the other interrupts */
for (i = 0; i < maxInterrupts; i++)
{
if (interrupts[i])
- {
- fprintf (of, "\tljmp\t%s\n\t.ds\t4\n", interrupts[i]->rname);
- }
+ {
+ dbuf_printf (oBuf, "\tljmp\t%s\n\t.ds\t4\n", interrupts[i]->rname);
+ }
else
- {
- fprintf (of, "\treti\n\t.ds\t7\n");
- }
+ {
+ dbuf_printf (oBuf, "\treti\n\t.ds\t7\n");
+ }
}
- fprintf (of, "__reset_vect:\n\tljmp\t__sdcc_gsinit_startup\n");
+ dbuf_printf (oBuf, "__reset_vect:\n\tljmp\t__sdcc_gsinit_startup\n");
return TRUE;
}
+static void
+_ds390_genInitStartup (FILE *of)
+{
+ fprintf (of, "__sdcc_gsinit_startup:\n");
+ /* if external stack is specified then the
+ higher order byte of the xdatalocation is
+ going into P2 and the lower order going into
+ spx */
+ if (options.useXstack)
+ {
+ fprintf (of, "\tmov\tP2,#0x%02x\n",
+ (((unsigned int) options.xdata_loc) >> 8) & 0xff);
+ fprintf (of, "\tmov\t_spx,#0x%02x\n",
+ (unsigned int) options.xdata_loc & 0xff);
+ }
+
+ // This should probably be a port option, but I'm being lazy.
+ // on the 400, the firmware boot loader gives us a valid stack
+ // (see '400 data sheet pg. 85 (TINI400 ROM Initialization code)
+ if (!TARGET_IS_DS400)
+ {
+ /* initialise the stack pointer. JCF: aslink takes care of the location */
+ fprintf (of, "\tmov\tsp,#__start__stack - 1\n"); /* MOF */
+ }
+
+ fprintf (of, "\tlcall\t__sdcc_external_startup\n");
+ fprintf (of, "\tmov\ta,dpl\n");
+ fprintf (of, "\tjz\t__sdcc_init_data\n");
+ fprintf (of, "\tljmp\t__sdcc_program_startup\n");
+ fprintf (of, "__sdcc_init_data:\n");
+
+ // if the port can copy the XINIT segment to XISEG
+ if (port->genXINIT)
+ {
+ port->genXINIT(of);
+ }
+}
+
/* Generate code to copy XINIT to XISEG */
static void _ds390_genXINIT (FILE * of) {
fprintf (of, "; _ds390_genXINIT() start\n");
sym_link *result_type = operandType(result);
//sym_link *right_type = (right ? operandType(right) : 0);
//sym_link *left_type = (left ? operandType(left) : 0);
-
+
/* 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 mcs51 is pretty good at it
+
+ /* if bitwise | add & subtract then no since mcs51 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;
}
{
if (IN_FARSPACE(oclass))
return 1;
-
+
return 0;
}
instructionSize(char *inst, char *op1, char *op2)
{
int isflat24 = (options.model == MODEL_FLAT24);
-
+
#define ISINST(s) (strncmp(inst, (s), sizeof(s)-1) == 0)
#define IS_A(s) (*(s) == 'a' && *(s+1) == '\0')
#define IS_C(s) (*(s) == 'c' && *(s+1) == '\0')
/* Based on the current (2003-08-22) code generation for the
small library, the top instruction probability is:
-
+
57% mov/movx/movc
6% push
6% pop
if (*(inst+3)=='c') return 1; /* movc */
if (IS_C (op1) || IS_C (op2)) return 2;
if (IS_A (op1))
- {
- if (IS_Rn (op2) || IS_atRi (op2)) return 1;
- return 2;
- }
+ {
+ if (IS_Rn (op2) || IS_atRi (op2)) return 1;
+ return 2;
+ }
if (IS_Rn(op1) || IS_atRi(op1))
- {
- if (IS_A(op2)) return 1;
- return 2;
- }
+ {
+ if (IS_A(op2)) return 1;
+ return 2;
+ }
if (strcmp (op1, "dptr") == 0) return 3+isflat24;
if (IS_A (op2) || IS_Rn (op2) || IS_atRi (op2)) return 2;
return 3;
}
-
+
if (ISINST ("push")) return 2;
if (ISINST ("pop")) return 2;
if (ISINST ("jb")) return 3;
if (ISINST ("jnb")) return 3;
if (ISINST ("jbc")) return 3;
- if (ISINST ("jmp")) return 1; // always jmp @a+dptr
+ if (ISINST ("jmp")) return 1; // always jmp @a+dptr
if (ISINST ("jz")) return 2;
if (ISINST ("jnz")) return 2;
if (ISINST ("cjne")) return 3;
if (ISINST ("acall")) return 2+isflat24;
if (ISINST ("ajmp")) return 2+isflat24;
-
+
if (ISINST ("add") || ISINST ("addc") || ISINST ("subb") || ISINST ("xch"))
{
if (IS_Rn(op2) || IS_atRi(op2)) return 1;
{
if (IS_C(op1)) return 2;
if (IS_A(op1))
- {
- if (IS_Rn(op2) || IS_atRi(op2)) return 1;
- return 2;
- }
+ {
+ if (IS_Rn(op2) || IS_atRi(op2)) return 1;
+ return 2;
+ }
else
- {
- if (IS_A(op2)) return 2;
- return 3;
- }
+ {
+ if (IS_A(op2)) return 2;
+ return 3;
+ }
}
if (ISINST ("clr") || ISINST ("setb") || ISINST ("cpl"))
{
aln->regsWritten = NULL;
aln->initialized = 0;
aln->currentDPS = currentDPS;
-
+
return aln;
}
return strcmp((const char *)key, ((ds390operanddata *)member)->name);
}
-static void
+static void
updateOpRW (asmLineNode *aln, char *op, char *optype, int currentDPS)
{
ds390operanddata *opdat;
int regIdx1 = -1;
int regIdx2 = -1;
int regIdx3 = -1;
-
+
dot = strchr(op, '.');
if (dot)
*dot = '\0';
opdat = bsearch (op, ds390operandDataTable,
- sizeof(ds390operandDataTable)/sizeof(ds390operanddata),
- sizeof(ds390operanddata), ds390operandCompare);
-
+ sizeof(ds390operandDataTable)/sizeof(ds390operanddata),
+ sizeof(ds390operanddata), ds390operandCompare);
+
if (opdat)
{
regIdx1 = opdat->regIdx1;
if (!strcmp(op, "dptr"))
{
if (!currentDPS)
- {
- regIdx1 = DPL_IDX;
- regIdx2 = DPH_IDX;
- regIdx3 = DPX_IDX;
- }
+ {
+ regIdx1 = DPL_IDX;
+ regIdx2 = DPH_IDX;
+ regIdx3 = DPX_IDX;
+ }
else
- {
- regIdx1 = DPL1_IDX;
- regIdx2 = DPH1_IDX;
- regIdx3 = DPX1_IDX;
- }
+ {
+ regIdx1 = DPL1_IDX;
+ regIdx2 = DPH1_IDX;
+ regIdx3 = DPX1_IDX;
+ }
}
-
+
if (strchr(optype,'r'))
{
if (regIdx1 >= 0)
if (!strcmp(op, "@r1"))
aln->regsRead = bitVectSetBit (aln->regsRead, R1_IDX);
if (strstr(op, "dptr"))
- {
- if (!currentDPS)
- {
- aln->regsRead = bitVectSetBit (aln->regsRead, DPL_IDX);
- aln->regsRead = bitVectSetBit (aln->regsRead, DPH_IDX);
- aln->regsRead = bitVectSetBit (aln->regsRead, DPX_IDX);
- }
- else
- {
- aln->regsRead = bitVectSetBit (aln->regsRead, DPL1_IDX);
- aln->regsRead = bitVectSetBit (aln->regsRead, DPH1_IDX);
- aln->regsRead = bitVectSetBit (aln->regsRead, DPX1_IDX);
- }
- }
+ {
+ if (!currentDPS)
+ {
+ aln->regsRead = bitVectSetBit (aln->regsRead, DPL_IDX);
+ aln->regsRead = bitVectSetBit (aln->regsRead, DPH_IDX);
+ aln->regsRead = bitVectSetBit (aln->regsRead, DPX_IDX);
+ }
+ else
+ {
+ aln->regsRead = bitVectSetBit (aln->regsRead, DPL1_IDX);
+ aln->regsRead = bitVectSetBit (aln->regsRead, DPH1_IDX);
+ aln->regsRead = bitVectSetBit (aln->regsRead, DPX1_IDX);
+ }
+ }
if (strstr(op, "a+"))
- aln->regsRead = bitVectSetBit (aln->regsRead, A_IDX);
+ aln->regsRead = bitVectSetBit (aln->regsRead, A_IDX);
}
}
static ds390opcodedata ds390opcodeDataTable[] =
{
{"acall","j", "", "", ""},
- {"ajmp", "j", "", "", ""},
{"add", "", "w", "rw", "r"},
{"addc", "", "rw", "rw", "r"},
+ {"ajmp", "j", "", "", ""},
{"anl", "", "", "rw", "r"},
{"cjne", "j", "w", "r", "r"},
{"clr", "", "", "w", ""},
{"xchd", "", "", "rw", "rw"},
{"xrl", "", "", "rw", "r"},
};
-
+
static int
ds390opcodeCompare (const void *key, const void *member)
{
ds390opcodedata *opdat;
aln->initialized = 1;
-
+
p = ln->line;
-
+
while (*p && isspace(*p)) p++;
for (op = inst, opsize=1; *p; p++)
{
break;
else
if (opsize < sizeof(inst))
- *op++ = tolower(*p), opsize++;
+ *op++ = tolower(*p), opsize++;
}
*op = '\0';
if (*p == ';' || *p == ':' || *p == '=')
return aln;
-
+
while (*p && isspace(*p)) p++;
if (*p == '=')
return aln;
*op++ = tolower(*p), opsize++;
}
*op = '\0';
-
+
if (*p == ',') p++;
for (op = op2, opsize=1; *p && *p != ','; p++)
{
aln->regsWritten = newBitVect (END_IDX);
opdat = bsearch (inst, ds390opcodeDataTable,
- sizeof(ds390opcodeDataTable)/sizeof(ds390opcodedata),
- sizeof(ds390opcodedata), ds390opcodeCompare);
+ sizeof(ds390opcodeDataTable)/sizeof(ds390opcodedata),
+ sizeof(ds390opcodedata), ds390opcodeCompare);
if (opdat)
{
"aslink", "-nf", "\"$1\"", NULL
};
-/* $3 is replaced by assembler.debug_opts resp. port->assembler.plain_opts */ static const char *_asmCmd[] =
+/* $3 is replaced by assembler.debug_opts resp. port->assembler.plain_opts */
+static const char *_asmCmd[] =
{
"asx8051", "$l", "$3", "\"$1.asm\"", NULL
};
{
TARGET_ID_DS390,
"ds390",
- "DS80C390", /* Target name */
+ "DS80C390", /* Target name */
NULL,
{
glue,
- TRUE, /* Emit glue around main */
+ TRUE, /* Emit glue around main */
MODEL_SMALL | MODEL_LARGE | MODEL_FLAT24,
MODEL_SMALL
},
{
_asmCmd,
NULL,
- "-plosgffc", /* Options with debug */
- "-plosgff", /* Options without debug */
+ "-plosgffc", /* Options with debug */
+ "-plosgff", /* Options without debug */
0,
".asm",
- NULL /* no do_assemble function */
+ NULL /* no do_assemble function */
},
{
_linkCmd,
getRegsWritten
},
{
- /* 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, 1, 2, 3, 1, 4, 4
},
+
+ /* tags for generic pointers */
+ { 0x00, 0x40, 0x60, 0x80 }, /* far, near, xstack, code */
+
{
"XSEG (XDATA)",
"STACK (DATA)",
"CSEG (CODE)",
"DSEG (DATA)",
"ISEG (DATA)",
+ "PSEG (PAG,XDATA)",
"XSEG (XDATA)",
"BSEG (BIT)",
"RSEG (DATA)",
"OSEG (OVR,DATA)",
"GSFINAL (CODE)",
"HOME (CODE)",
- "XISEG (XDATA)", // initialized xdata
- "XINIT (CODE)", // a code copy of xiseg
+ "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/pdata
+ "IABS (ABS,DATA)", // iabs_name - absolute idata/data
NULL,
NULL,
1
{
ds390_emitDebuggerSymbol
},
+ {
+ 255/4, /* maxCount */
+ 4, /* sizeofElement */
+ {8,12,20}, /* sizeofMatchJump[] */
+ {10,14,22}, /* sizeofRangeCompare[] */
+ 4, /* sizeofSubtract */
+ 7, /* sizeofDispatch */
+ },
"_",
_ds390_init,
_ds390_parseOptions,
- NULL,
+ _ds390_options,
NULL,
_ds390_finaliseOptions,
_ds390_setDefaultOptions,
_ds390_getRegName,
_ds390_keywords,
_ds390_genAssemblerPreamble,
- NULL, /* no genAssemblerEnd */
+ NULL, /* no genAssemblerEnd */
_ds390_genIVT,
_ds390_genXINIT,
- NULL, /* genInitStartup */
+ _ds390_genInitStartup,
_ds390_reset_regparm,
_ds390_regparm,
NULL,
NULL,
_ds390_nativeMulCheck,
- hasExtBitOp, /* hasExtBitOp */
- oclsExpense, /* oclsExpense */
+ hasExtBitOp, /* hasExtBitOp */
+ oclsExpense, /* oclsExpense */
FALSE,
- TRUE, /* little endian */
- 0, /* leave lt */
- 0, /* leave gt */
- 1, /* transform <= to ! > */
- 1, /* transform >= to ! < */
- 1, /* transform != to !(a == b) */
- 0, /* leave == */
-#if 0 // obsolete, and buggy for != xdata
- TRUE, /* we support array initializers. */
-#else
+ 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. */
-#endif
cseCostEstimation,
__ds390_builtins, /* table of builtin functions */
- GPOINTER, /* treat unqualified pointers as "generic" pointers */
- 1, /* reset labelKey to 1 */
- 1, /* globals & local static allowed */
+ GPOINTER, /* treat unqualified pointers as "generic" pointers */
+ 1, /* reset labelKey to 1 */
+ 1, /* globals & local static allowed */
PORT_MAGIC
};
/*---------------------------------------------------------------------------------*/
-/* TININative specific */
+/* TININative specific */
/*---------------------------------------------------------------------------------*/
-/* Globals */
+
+#define OPTION_TINI_LIBID "--tini-libid"
+
+static OPTION _tininative_options[] =
+ {
+ { 0, OPTION_FLAT24_MODEL, NULL, "use the flat24 model for the ds390 (default)" },
+ { 0, OPTION_STACK_8BIT, NULL, "use the 8bit stack for the ds390 (not supported yet)" },
+ { 0, OPTION_STACK_SIZE, &options.stack_size, "Tells the linker to allocate this space for stack", CLAT_INTEGER },
+ { 0, "--pack-iram", NULL, "Tells the linker to pack variables in internal ram (default)"},
+ { 0, "--no-pack-iram", &options.no_pack_iram, "Tells the linker not to pack variables in internal ram"},
+ { 0, "--stack-10bit", &options.stack10bit, "use the 10bit stack for ds390 (default)" },
+ { 0, "--use-accelerator", &options.useAccelerator, "generate code for ds390 arithmetic accelerator"},
+ { 0, "--protect-sp-update", &options.protect_sp_update, "will disable interrupts during ESP:SP updates"},
+ { 0, "--parms-in-bank1", &options.parms_in_bank1, "use Bank1 for parameter passing"},
+ { 0, OPTION_TINI_LIBID, &options.tini_libid, "<nnnn> LibraryID used in -mTININative", CLAT_INTEGER },
+ { 0, NULL }
+ };
+
static void _tininative_init (void)
{
asm_addTree (&asm_a390_mapping);
* adjust pointer sizes.
*/
if (options.model != MODEL_FLAT24) {
- options.model = MODEL_FLAT24 ;
- fprintf(stderr,"TININative supports only MODEL FLAT24\n");
+ 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->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");
+ options.stack10bit = 1;
+ fprintf(stderr,"TININative supports only stack10bit \n");
}
-
+
if (!options.stack_loc) options.stack_loc = 0x400008;
-
+
/* generate native code 16*16 mul/div */
- if (options.useAccelerator)
- port->support.muldiv=2;
- else
- port->support.muldiv=1;
-
+ 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.
*/
options.cc_only =1;
}
-static int _tininative_genIVT (FILE * of, symbol ** interrupts, int maxInterrupts)
+static int _tininative_genIVT (struct dbuf_s * oBuf, symbol ** interrupts, int maxInterrupts)
{
- return 1;
+ return TRUE;
}
+
static void _tininative_genAssemblerPreamble (FILE * of)
{
fputs("$include(tini.inc)\n", of);
fputs("LibraryID:\n",of);
fputs("\tdb \"DS\"\n",of);
if (options.tini_libid) {
- fprintf(of,"\tdb 0,0,0%02xh,0%02xh,0%02xh,0%02xh\n",
- (options.tini_libid>>24 & 0xff),
- (options.tini_libid>>16 & 0xff),
- (options.tini_libid>>8 & 0xff),
- (options.tini_libid & 0xff));
+ fprintf(of,"\tdb 0,0,0%02xh,0%02xh,0%02xh,0%02xh\n",
+ (options.tini_libid>>24 & 0xff),
+ (options.tini_libid>>16 & 0xff),
+ (options.tini_libid>>8 & 0xff),
+ (options.tini_libid & 0xff));
} else {
- fprintf(of,"\tdb 0,0,0,0,0,1\n");
+ fprintf(of,"\tdb 0,0,0,0,0,1\n");
}
}
static void _tininative_do_assemble (set *asmOptions)
{
static const char *macroCmd[] = {
- "macro","$1.a51",NULL
+ "macro","$1.a51",NULL
};
static const char *a390Cmd[] = {
- "a390","$1.mpp",NULL
+ "a390","$1.mpp",NULL
};
char buffer[100];
buildCmdLine(buffer,macroCmd,dstFileName,NULL,NULL,NULL);
if (my_system(buffer)) {
- exit(1);
+ exit(1);
}
buildCmdLine(buffer,a390Cmd,dstFileName,NULL,NULL,asmOptions);
if (my_system(buffer)) {
- exit(1);
- }
+ exit(1);
+ }
}
/* list of key words used by TININative */
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) */
+ { "__builtin_memset_x","v",3,{"cx*","c","i"}}, /* void __builtin_memset (xdata char *,char,int) */
/* TINI NatLib */
{ "NatLib_LoadByte","c",1,{"c"}}, /* char Natlib_LoadByte (0 based parameter number) */
{ "NatLib_LoadShort","s",1,{"c"}}, /* short Natlib_LoadShort (0 based parameter number) */
{ "MM_XMalloc","i",1,{"l"}}, /* int MM_XMalloc (long) */
{ "MM_Malloc","i",1,{"i"}}, /* int MM_Malloc (int) */
{ "MM_ApplicationMalloc","i",1,{"i"}}, /* int MM_ApplicationMalloc (int) */
- { "MM_Free","i",1,{"i"}}, /* int MM_Free (int) */
- { "MM_Deref","cx*",1,{"i"}}, /* char *MM_Free (int) */
+ { "MM_Free","i",1,{"i"}}, /* int MM_Free (int) */
+ { "MM_Deref","cx*",1,{"i"}}, /* char *MM_Free (int) */
{ "MM_UnrestrictedPersist","c",1,{"i"}}, /* char MM_UnrestrictedPersist (int) */
/* System functions */
{ "System_ExecJavaProcess","c",2,{"cx*","i"}}, /* char System_ExecJavaProcess (char *,int) */
- { "System_GetRTCRegisters","v",1,{"cx*"}}, /* void System_GetRTCRegisters (char *) */
- { "System_SetRTCRegisters","v",1,{"cx*"}}, /* void System_SetRTCRegisters (char *) */
+ { "System_GetRTCRegisters","v",1,{"cx*"}}, /* void System_GetRTCRegisters (char *) */
+ { "System_SetRTCRegisters","v",1,{"cx*"}}, /* void System_SetRTCRegisters (char *) */
{ "System_ThreadSleep","v",2,{"l","c"}}, /* void System_ThreadSleep (long,char) */
{ "System_ThreadSleep_ExitCriticalSection","v",2,{"l","c"}},/* void System_ThreadSleep_ExitCriticalSection (long,char) */
{ "System_ProcessSleep","v",2,{"l","c"}}, /* void System_ProcessSleep (long,char) */
{ "System_RemovePoll","c",1,{"vF*"}}, /* char System_RemovePoll ((void *func pointer)()) */
{ "System_GetCurrentProcessId","c",0,{NULL}}, /* char System_GetCurrentProcessId() */
{ "System_GetCurrentThreadId","c",0,{NULL}}, /* char System_GetCurrentThreadId() */
- { NULL , NULL,0, {NULL}} /* mark end of table */
-};
+ { NULL , NULL,0, {NULL}} /* mark end of table */
+};
static const char *_a390Cmd[] =
{
"macro", "$l", "$3", "$1.a51", NULL
};
+
PORT tininative_port =
{
TARGET_ID_DS390,
"TININative",
- "DS80C390", /* Target name */
- NULL, /* processor */
+ "DS80C390", /* Target name */
+ NULL, /* processor */
{
glue,
- FALSE, /* Emit glue around main */
+ FALSE, /* Emit glue around main */
MODEL_FLAT24,
MODEL_FLAT24
},
{
_a390Cmd,
NULL,
- "-l", /* Options with debug */
- "-l", /* Options without debug */
+ "-l", /* Options with debug */
+ "-l", /* Options without debug */
0,
".a51",
_tininative_do_assemble
getRegsWritten
},
{
- /* 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, 1, 3, 3, 1, 4, 4
},
+ /* tags for generic pointers */
+ { 0x00, 0x40, 0x60, 0x80 }, /* far, near, xstack, code */
+
{
"XSEG (XDATA)",
"STACK (DATA)",
"CSEG (CODE)",
"DSEG (DATA)",
"ISEG (DATA)",
+ "PSEG (PAG,XDATA)",
"XSEG (XDATA)",
"BSEG (BIT)",
"RSEG (DATA)",
"GSINIT (CODE)",
"OSEG (OVR,DATA)",
"GSFINAL (CODE)",
- "HOME (CODE)",
+ "HOME (CODE)",
NULL,
NULL,
+ "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/pdata
+ "IABS (ABS,DATA)", // iabs_name - absolute idata/data
NULL,
NULL,
1
{
ds390_emitDebuggerSymbol
},
+ {
+ 255/4, /* maxCount */
+ 4, /* sizeofElement */
+ {8,12,20}, /* sizeofMatchJump[] */
+ {10,14,22}, /* sizeofRangeCompare[] */
+ 4, /* sizeofSubtract */
+ 7, /* sizeofDispatch */
+ },
"",
_tininative_init,
_ds390_parseOptions,
- NULL,
+ _tininative_options,
NULL,
_tininative_finaliseOptions,
_tininative_setDefaultOptions,
_tininative_genAssemblerEnd,
_tininative_genIVT,
NULL,
- NULL, /* genInitStartup */
+ _ds390_genInitStartup,
_ds390_reset_regparm,
_ds390_regparm,
NULL,
NULL,
NULL,
- hasExtBitOp, /* hasExtBitOp */
- oclsExpense, /* oclsExpense */
+ hasExtBitOp, /* hasExtBitOp */
+ oclsExpense, /* oclsExpense */
FALSE,
- TRUE, /* little endian */
- 0, /* leave lt */
- 0, /* leave gt */
- 1, /* transform <= to ! > */
- 1, /* transform >= to ! < */
- 1, /* transform != to !(a == b) */
- 0, /* leave == */
- TRUE, /* we support array initializers. */
+ 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,
__tininative_builtins, /* table of builtin functions */
- FPOINTER, /* treat unqualified pointers as far pointers */
- 0, /* DONOT reset labelKey */
- 0, /* globals & local static NOT allowed */
+ FPOINTER, /* treat unqualified pointers as far pointers */
+ 0, /* DONOT reset labelKey */
+ 0, /* globals & local static NOT allowed */
PORT_MAGIC
};
static int
-_ds400_genIVT (FILE * of, symbol ** interrupts, int maxInterrupts)
+_ds400_genIVT (struct dbuf_s * oBuf, symbol ** interrupts, int maxInterrupts)
{
- /* We can't generate a static IVT, since the boot rom creates one
- * for us in rom_init.
- *
- * we must patch it as part of the C startup.
- */
- fprintf (of, ";\tDS80C400 IVT must be generated at runtime.\n");
- fprintf (of, "\tsjmp\t__sdcc_400boot\n");
- fprintf (of, "\t.ascii\t'TINI'\t; required signature for 400 boot loader.\n");
- fprintf (of, "\t.db\t0\t; selected bank: zero *should* work...\n");
- fprintf (of, "\t__sdcc_400boot:\tljmp\t__sdcc_gsinit_startup\n");
- return TRUE;
+ /* We can't generate a static IVT, since the boot rom creates one
+ * for us in rom_init.
+ *
+ * we must patch it as part of the C startup.
+ */
+ dbuf_printf (oBuf, ";\tDS80C400 IVT must be generated at runtime.\n");
+ dbuf_printf (oBuf, "\tsjmp\t__sdcc_400boot\n");
+ dbuf_printf (oBuf, "\t.ascii\t'TINI'\t; required signature for 400 boot loader.\n");
+ dbuf_printf (oBuf, "\t.db\t0\t; selected bank: zero *should* work...\n");
+ dbuf_printf (oBuf, "\t__sdcc_400boot:\tljmp\t__sdcc_gsinit_startup\n");
+
+ return TRUE;
}
-
+
+/*---------------------------------------------------------------------------------*/
+/* _ds400 specific */
+/*---------------------------------------------------------------------------------*/
+
+static OPTION _ds400_options[] =
+ {
+ { 0, OPTION_FLAT24_MODEL, NULL, "use the flat24 model for the ds400 (default)" },
+ { 0, OPTION_STACK_8BIT, NULL, "use the 8bit stack for the ds400 (not supported yet)" },
+ { 0, OPTION_STACK_SIZE, &options.stack_size, "Tells the linker to allocate this space for stack", CLAT_INTEGER },
+ { 0, "--pack-iram", NULL, "Tells the linker to pack variables in internal ram (default)"},
+ { 0, "--no-pack-iram", &options.no_pack_iram, "Tells the linker not to pack variables in internal ram"},
+ { 0, "--stack-10bit", &options.stack10bit, "use the 10bit stack for ds400 (default)" },
+ { 0, "--use-accelerator", &options.useAccelerator, "generate code for ds400 arithmetic accelerator"},
+ { 0, "--protect-sp-update", &options.protect_sp_update, "will disable interrupts during ESP:SP updates"},
+ { 0, "--parms-in-bank1", &options.parms_in_bank1, "use Bank1 for parameter passing"},
+ { 0, NULL }
+ };
static void
_ds400_finaliseOptions (void)
// hackhack: we're a superset of the 390.
addSet(&preArgvSet, Safe_strdup("-DSDCC_ds390"));
addSet(&preArgvSet, Safe_strdup("-D__ds390"));
-
+
/* Hack-o-matic: if we are using the flat24 model,
* adjust pointer sizes.
*/
if (options.model != MODEL_FLAT24) {
fprintf (stderr,
- "*** warning: ds400 port small and large model experimental.\n");
+ "*** warning: ds400 port small and large model experimental.\n");
if (options.model == MODEL_LARGE)
{
port->mem.default_local_map = xdata;
port->s.fptr_size = 3;
port->s.gptr_size = 4;
- port->stack.isr_overhead += 2; /* Will save dpx on ISR entry. */
+ 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->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)
{
fprintf (stderr,
- "*** error: ds400 port only supports the 10 bit stack mode.\n");
+ "*** error: ds400 port only supports the 10 bit stack mode.\n");
} else {
- if (!options.stack_loc) options.stack_loc = 0xffdc00;
- // assumes IDM1:0 = 1:0, CMA = 1.
+ if (!options.stack_loc) options.stack_loc = 0xffdc00;
+ // assumes IDM1:0 = 1:0, CMA = 1.
}
-
+
/* generate native code 16*16 mul/div */
- if (options.useAccelerator)
- port->support.muldiv=2;
- else
- port->support.muldiv=1;
+ 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->ptrType = FPOINTER;
if (options.parms_in_bank1) {
- addSet(&preArgvSet, Safe_strdup("-DSDCC_PARMS_IN_BANK1"));
+ addSet(&preArgvSet, Safe_strdup("-DSDCC_PARMS_IN_BANK1"));
}
-
+
// the DS400 rom calling interface uses register bank 3.
RegBankUsed[3] = 1;
-
+
} /* MODEL_FLAT24 */
}
/* Only do this for the file containing main() */
if (isMain)
{
- fprintf(fp, "%s", iComments2);
- fprintf(fp, "; the direct data area used by the DS80c400 ROM code.\n");
- fprintf(fp, "%s", iComments2);
- fprintf(fp, ".area ROMSEG (ABS,CON,DATA)\n\n");
- fprintf(fp, ".ds 24 ; 24 bytes of directs used starting at 0x68\n\n");
+ fprintf(fp, "%s", iComments2);
+ fprintf(fp, "; the direct data area used by the DS80c400 ROM code.\n");
+ fprintf(fp, "%s", iComments2);
+ fprintf(fp, ".area ROMSEG (ABS,CON,DATA)\n\n");
+ fprintf(fp, ".ds 24 ; 24 bytes of directs used starting at 0x68\n\n");
}
}
{
TARGET_ID_DS400,
"ds400",
- "DS80C400", /* Target name */
+ "DS80C400", /* Target name */
NULL,
{
glue,
- TRUE, /* Emit glue around main */
+ TRUE, /* Emit glue around main */
MODEL_SMALL | MODEL_LARGE | MODEL_FLAT24,
MODEL_SMALL
},
{
_asmCmd,
NULL,
- "-plosgffc", /* Options with debug */
- "-plosgff", /* Options without debug */
+ "-plosgffc", /* Options with debug */
+ "-plosgff", /* Options without debug */
0,
".asm",
- NULL /* no do_assemble function */
+ NULL /* no do_assemble function */
},
{
_linkCmd,
getRegsWritten
},
{
- /* 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, 1, 2, 3, 1, 4, 4
},
+
+ /* tags for generic pointers */
+ { 0x00, 0x40, 0x60, 0x80 }, /* far, near, xstack, code */
+
{
"XSEG (XDATA)",
"STACK (DATA)",
"CSEG (CODE)",
"DSEG (DATA)",
"ISEG (DATA)",
+ "PSEG (PAG,XDATA)",
"XSEG (XDATA)",
"BSEG (BIT)",
"RSEG (DATA)",
"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/pdata
+ "IABS (ABS,DATA)", // iabs_name - absolute idata/data
NULL,
NULL,
1
{
ds390_emitDebuggerSymbol
},
+ {
+ 255/4, /* maxCount */
+ 4, /* sizeofElement */
+ {8,12,20}, /* sizeofMatchJump[] */
+ {10,14,22}, /* sizeofRangeCompare[] */
+ 4, /* sizeofSubtract */
+ 7, /* sizeofDispatch */
+ },
"_",
_ds390_init,
_ds390_parseOptions,
- NULL,
+ _ds400_options,
NULL,
_ds400_finaliseOptions,
_ds390_setDefaultOptions,
_ds390_getRegName,
_ds390_keywords,
_ds390_genAssemblerPreamble,
- NULL, /* no genAssemblerEnd */
+ NULL, /* no genAssemblerEnd */
_ds400_genIVT,
_ds390_genXINIT,
- NULL, /* genInitStartup */
+ _ds390_genInitStartup,
_ds390_reset_regparm,
_ds390_regparm,
NULL,
NULL,
_ds390_nativeMulCheck,
- hasExtBitOp, /* hasExtBitOp */
- oclsExpense, /* oclsExpense */
+ hasExtBitOp, /* hasExtBitOp */
+ oclsExpense, /* oclsExpense */
FALSE,
- TRUE, /* little endian */
- 0, /* leave lt */
- 0, /* leave gt */
- 1, /* transform <= to ! > */
- 1, /* transform >= to ! < */
- 1, /* transform != to !(a == b) */
- 0, /* leave == */
- TRUE, /* we support array initializers. */
+ 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,
__ds390_builtins, /* table of builtin functions */
- GPOINTER, /* treat unqualified pointers as "generic" pointers */
- 1, /* reset labelKey to 1 */
- 1, /* globals & local static allowed */
+ GPOINTER, /* treat unqualified pointers as "generic" pointers */
+ 1, /* reset labelKey to 1 */
+ 1, /* globals & local static allowed */
PORT_MAGIC
};
projects / fw / sdcc / blobdiff