#include "main.h"
#include "ralloc.h"
#include "gen.h"
-
+#include "BuildCmd.h"
+#include "MySystem.h"
+#include "../SDCCutil.h"
+extern const char *preArgv[128]; /* pre-processor arguments */
static char _defaultRules[] =
{
#include "peeph.rul"
NULL
};
-
+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_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_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);
static int regParmFlg = 0; /* determine if we can register a parameter */
static int
_ds390_regparm (sym_link * l)
{
- /* for this processor it is simple
- can pass only the first parameter in a register */
- if (regParmFlg)
- return 0;
- regParmFlg = 1;
- return 1;
+ if (options.parms_in_bank1 == 0) {
+ /* simple can pass only the first parameter in a register */
+ if (regParmFlg)
+ return 0;
+
+ 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 */
+ remain = regParmFlg - 4;
+ if (size > (8 - remain)) {
+ regParmFlg = 12 ;
+ return 0;
+ }
+ regParmFlg += size ;
+ return regParmFlg - size + 1;
+ }
}
static bool
/* Hack-o-matic: if we are using the flat24 model,
* adjust pointer sizes.
*/
- if (options.model != MODEL_FLAT24)
- {
+ if (options.model != MODEL_FLAT24) {
fprintf (stderr,
- "*** error: ds390 port only supports the flat24 model.\n");
- exit (1);
- }
- port->s.fptr_size = 3;
- port->s.gptr_size = 4;
- port->stack.isr_overhead++; /* Will save dpx on ISR entry. */
-#if 1
- port->stack.call_overhead++; /* This acounts for the extra byte
+ "*** warning: ds390 port small and large model experimental.\n");
+ if (options.model == MODEL_LARGE)
+ {
+ port->mem.default_local_map = xdata;
+ port->mem.default_globl_map = xdata;
+ }
+ else
+ {
+ port->mem.default_local_map = data;
+ port->mem.default_globl_map = data;
+ }
+ }
+ else {
+ 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.
*/
-#endif
- port->mem.default_local_map = xdata;
- port->mem.default_globl_map = xdata;
+ port->mem.default_local_map = xdata;
+ port->mem.default_globl_map = xdata;
- if (!options.stack10bit)
+ if (!options.stack10bit)
{
fprintf (stderr,
"*** error: ds390 port only supports the 10 bit stack mode.\n");
+ } else {
+ 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;
+ /* 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;
+
+ if (options.parms_in_bank1) {
+ addToList (preArgv, "-DSDCC_PARMS_IN_BANK1");
+ }
+ } /* MODEL_FLAT24 */
}
static void
static void
_ds390_genAssemblerPreamble (FILE * of)
{
- if (options.model == MODEL_FLAT24)
- {
- fputs (".flat24 on\t\t; 24 bit flat addressing\n", of);
+ if (options.model == MODEL_FLAT24)
+ fputs (".flat24 on\t\t; 24 bit flat addressing\n", of);
+
fputs ("dpx = 0x93\t\t; dpx register unknown to assembler\n", of);
fputs ("dps = 0x86\t\t; dps register unknown to assembler\n", of);
fputs ("dpl1 = 0x84\t\t; dpl1 register unknown to assembler\n", of);
fputs ("dph1 = 0x85\t\t; dph1 register unknown to assembler\n", of);
fputs ("dpx1 = 0x95\t\t; dpx1 register unknown to assembler\n", of);
fputs ("ap = 0x9C\t\t; ap register unknown to assembler\n", of);
- }
+ fputs ("_ap = 0x9C\t\t; _ap register unknown to assembler\n", of);
+ fputs ("mcnt0 = 0xD1\t\t; mcnt0 register unknown to assembler\n", of);
+ fputs ("mcnt1 = 0xD2\t\t; mcnt1 register unknown to assembler\n", of);
+ fputs ("ma = 0xD3\t\t; ma register unknown to assembler\n", of);
+ fputs ("mb = 0xD4\t\t; mb register unknown to assembler\n", of);
+ fputs ("mc = 0xD5\t\t; mc register unknown to assembler\n", of);
+ fputs ("F1 = 0xD1\t\t; F1 user flag unknown to assembler\n", of);
+ fputs ("esp = 0x9B\t\t; ESP user flag unknown to assembler\n", of);
+ if (options.parms_in_bank1) {
+ int i ;
+ for (i=0; i < 8 ; i++ )
+ fprintf (of,"b1_%d = 0x%x \n",i,8+i);
+ }
}
/* Generate interrupt vector table. */
return TRUE;
}
+/* Generate code to copy XINIT to XISEG */
+static void _ds390_genXINIT (FILE * of) {
+ fprintf (of, "; _ds390_genXINIT() start\n");
+ fprintf (of, " mov a,#l_XINIT\n");
+ fprintf (of, " orl a,#l_XINIT>>8\n");
+ fprintf (of, " jz 00003$\n");
+ fprintf (of, " mov a,#s_XINIT\n");
+ fprintf (of, " add a,#l_XINIT\n");
+ fprintf (of, " mov r1,a\n");
+ fprintf (of, " mov a,#s_XINIT>>8\n");
+ fprintf (of, " addc a,#l_XINIT>>8\n");
+ fprintf (of, " mov r2,a\n");
+ fprintf (of, " mov dptr,#s_XINIT\n");
+ fprintf (of, " mov dps,#0x21\n");
+ fprintf (of, " mov dptr,#s_XISEG\n");
+ fprintf (of, "00001$: clr a\n");
+ fprintf (of, " movc a,@a+dptr\n");
+ fprintf (of, " movx @dptr,a\n");
+ fprintf (of, " inc dptr\n");
+ fprintf (of, " inc dptr\n");
+ fprintf (of, "00002$: mov a,dpl\n");
+ fprintf (of, " cjne a,ar1,00001$\n");
+ fprintf (of, " mov a,dph\n");
+ fprintf (of, " cjne a,ar2,00001$\n");
+ fprintf (of, " mov dps,#0\n");
+ fprintf (of, "00003$:\n");
+ fprintf (of, "; _ds390_genXINIT() end\n");
+}
+
+/* Do CSE estimation */
+static bool cseCostEstimation (iCode *ic, iCode *pdic)
+{
+ operand *result = IC_RESULT(ic);
+ //operand *right = IC_RIGHT(ic);
+ //operand *left = IC_LEFT(ic);
+ 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
+ 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;
+ }
+
+ /* for others it is cheaper to do the cse */
+ return 1;
+}
/** $1 is always the basename.
$2 is always the output file.
$3 varies
"aslink", "-nf", "$1", NULL
};
-static const char *_asmCmd[] =
+/* $3 is replaced by assembler.debug_opts resp. port->assembler.plain_opts */ static const char *_asmCmd[] =
{
- "asx8051", "$l", "-plosgff", "$1.asm", NULL
+ "asx8051", "$l", "$3", "$1.asm", NULL
};
/* Globals */
TARGET_ID_DS390,
"ds390",
"DS80C390", /* Target name */
+ NULL,
{
TRUE, /* Emit glue around main */
MODEL_SMALL | MODEL_LARGE | MODEL_FLAT24,
},
{
_asmCmd,
+ NULL,
"-plosgffc", /* Options with debug */
"-plosgff", /* Options without debug */
0,
- ".asm"
+ ".asm",
+ NULL /* no do_assemble function */
},
{
_linkCmd,
NULL,
+ NULL,
".rel"
},
{
"GSINIT (CODE)",
"OSEG (OVR,DATA)",
"GSFINAL (CODE)",
- "HOME (CODE)",
+ "HOME (CODE)",
+ "XISEG (XDATA)", // initialized xdata
+ "XINIT (CODE)", // a code copy of xiseg
NULL,
NULL,
1
{
+1, 1, 4, 1, 1, 0
},
- /* ds390 has an 8 bit mul */
+ /* ds390 has an 16 bit mul & div */
{
- 1, -1
+ 2, -1
},
"_",
_ds390_init,
_ds390_parseOptions,
+ NULL,
_ds390_finaliseOptions,
_ds390_setDefaultOptions,
ds390_assignRegisters,
_ds390_getRegName,
_ds390_keywords,
_ds390_genAssemblerPreamble,
+ NULL, /* no genAssemblerEnd */
_ds390_genIVT,
+ _ds390_genXINIT,
_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,
+ __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;
+}
+
+static int _tininative_genIVT (FILE * of, symbol ** interrupts, int maxInterrupts)
+{
+ return 1;
+}
+static void _tininative_genAssemblerPreamble (FILE * of)
+{
+ fputs("$include(tini.inc)\n", of);
+ fputs("$include(ds80c390.inc)\n", of);
+ fputs("$include(tinimacro.inc)\n", of);
+ fputs("$include(apiequ.inc)\n", of);
+ fputs("_bpx EQU 01Eh \t\t; _bpx (frame pointer) mapped to R8_B3:R7_B3\n", of);
+ fputs("_ap EQU 01Dh \t\t; _ap mapped to R6_B3\n", of);
+ /* Must be first and return 0 */
+ fputs("Lib_Native_Init:\n",of);
+ fputs("\tclr\ta\n",of);
+ fputs("\tret\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));
+ } else {
+ fprintf(of,"\tdb 0,0,0,0,0,1\n");
+ }
+
+}
+static void _tininative_genAssemblerEnd (FILE * of)
+{
+ fputs("\tend\n",of);
+}
+/* tininative assembler , calls "macro", if it succeeds calls "a390" */
+static void _tininative_do_assemble (const char * const *asmOptions)
+{
+ static const char *macroCmd[] = {
+ "macro","$1.a51",NULL
+ };
+ static const char *a390Cmd[] = {
+ "a390","$1.mpp",NULL
+ };
+ char buffer[100];
+
+ buildCmdLine(buffer,macroCmd,dstFileName,NULL,NULL,NULL);
+ if (my_system(buffer)) {
+ exit(1);
+ }
+ buildCmdLine(buffer,a390Cmd,dstFileName,NULL,NULL,asmOptions);
+ if (my_system(buffer)) {
+ exit(1);
+ }
+}
+
+/* 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) */
+ /* 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) */
+ { "NatLib_LoadInt","l",1,{"c"}}, /* long Natlib_LoadLong (0 based parameter number) */
+ { "NatLib_LoadPointer","cx*",1,{"c"}}, /* long Natlib_LoadPointer (0 based parameter number) */
+ /* TINI StateBlock related */
+ { "NatLib_InstallImmutableStateBlock","c",2,{"vx*","us"}},/* char NatLib_InstallImmutableStateBlock(state block *,int handle) */
+ { "NatLib_InstallEphemeralStateBlock","c",2,{"vx*","us"}},/* char NatLib_InstallEphemeralStateBlock(state block *,int handle) */
+ { "NatLib_RemoveImmutableStateBlock","v",0,{NULL}},/* void NatLib_RemoveImmutableStateBlock() */
+ { "NatLib_RemoveEphemeralStateBlock","v",0,{NULL}},/* void NatLib_RemoveEphemeralStateBlock() */
+ { "NatLib_GetImmutableStateBlock","i",0,{NULL}}, /* int NatLib_GetImmutableStateBlock () */
+ { "NatLib_GetEphemeralStateBlock","i",0,{NULL}}, /* int NatLib_GetEphemeralStateBlock () */
+ /* Memory manager */
+ { "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_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_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_ProcessSleep_ExitCriticalSection","v",2,{"l","c"}},/* void System_ProcessSleep_ExitCriticalSection (long,char) */
+ { "System_ThreadResume","c",2,{"c","c"}}, /* char System_ThreadResume(char,char) */
+ { "System_SaveJavaThreadState","v",0,{NULL}}, /* void System_SaveJavaThreadState() */
+ { "System_RestoreJavaThreadState","v",0,{NULL}}, /* void System_RestoreJavaThreadState() */
+ { "System_ProcessYield","v",0,{NULL}}, /* void System_ProcessYield() */
+ { "System_ProcessSuspend","v",0,{NULL}}, /* void System_ProcessSuspend() */
+ { "System_ProcessResume","v",1,{"c"}}, /* void System_ProcessResume(char) */
+ { "System_RegisterPoll","c",1,{"vF*"}}, /* char System_RegisterPoll ((void *func pointer)()) */
+ { "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 */
+};
+
+static const char *_a390Cmd[] =
+{
+ "macro", "$l", "$3", "$1.a51", NULL
+};
+PORT tininative_port =
+{
+ TARGET_ID_DS390,
+ "TININative",
+ "DS80C390", /* Target name */
+ NULL, /* processor */
+ {
+ FALSE, /* Emit glue around main */
+ MODEL_FLAT24,
+ MODEL_FLAT24
+ },
+ {
+ _a390Cmd,
+ NULL,
+ "-l", /* Options with debug */
+ "-l", /* Options without debug */
+ 0,
+ ".a51",
+ _tininative_do_assemble
+ },
+ {
+ 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,
+ NULL,
+ _tininative_finaliseOptions,
+ _tininative_setDefaultOptions,
+ ds390_assignRegisters,
+ _ds390_getRegName,
+ _tininative_keywords,
+ _tininative_genAssemblerPreamble,
+ _tininative_genAssemblerEnd,
+ _tininative_genIVT,
+ NULL,
+ _ds390_reset_regparm,
+ _ds390_regparm,
+ NULL,
+ NULL,
+ NULL,
FALSE,
0, /* leave lt */
0, /* leave gt */
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
};