X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fds390%2Fmain.c;h=4e112d6b345bbe7573e8fe86f0670cf2dcbc3afa;hb=8948b938d1286b2a354b4c16c318052bf77b8019;hp=3ec508892699618900211cb5a70750faf8a94a0d;hpb=20bae27b1c4b37bba7f4ec5aa92d78fbc23188f4;p=fw%2Fsdcc diff --git a/src/ds390/main.c b/src/ds390/main.c index 3ec50889..4e112d6b 100644 --- a/src/ds390/main.c +++ b/src/ds390/main.c @@ -8,7 +8,10 @@ #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" @@ -43,7 +46,19 @@ static char *_ds390_keywords[] = 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 */ @@ -63,13 +78,32 @@ _ds390_reset_regparm () 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 @@ -87,37 +121,59 @@ _ds390_finaliseOptions (void) /* 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 @@ -138,16 +194,28 @@ _ds390_getRegName (struct regs *reg) 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. */ @@ -180,6 +248,60 @@ _ds390_genIVT (FILE * of, symbol ** interrupts, int maxInterrupts) 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 @@ -191,9 +313,9 @@ static const char *_linkCmd[] = "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 */ @@ -209,14 +331,17 @@ PORT ds390_port = }, { _asmCmd, + NULL, "-plosgffc", /* Options with debug */ "-plosgff", /* Options without debug */ 0, - ".asm" + ".asm", + NULL /* no do_assemble function */ }, { _linkCmd, NULL, + NULL, ".rel" }, { @@ -224,7 +349,7 @@ PORT ds390_port = }, { /* Sizes: char, short, int, long, ptr, fptr, gptr, bit, float, max */ - 1, 1, 2, 4, 1, 2, 3, 1, 4, 4 + 1, 2, 2, 4, 1, 2, 3, 1, 4, 4 }, { "XSEG (XDATA)", @@ -238,7 +363,9 @@ PORT ds390_port = "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 @@ -246,9 +373,9 @@ PORT ds390_port = { +1, 1, 4, 1, 1, 0 }, - /* ds390 has an 8 bit mul */ + /* ds390 has an 16 bit mul & div */ { - 1, 0 + 2, -1 }, "_", _ds390_init, @@ -259,10 +386,297 @@ PORT ds390_port = _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,srcFileName,NULL,NULL,NULL); + if (my_system(buffer)) { + exit(1); + } + buildCmdLine(buffer,a390Cmd,srcFileName,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 */ + { + 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, + _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 */ @@ -270,5 +684,11 @@ PORT ds390_port = 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 };