X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fz80%2Fmain.c;h=c30d6c5736b30d1eaacbb6af3936b04870b910f6;hb=573903c17677d00eaa7e5fbfbde9a22d41e2aeea;hp=f076c45e940f6b3d3546b4097bf2d1dc2b6e8315;hpb=4e79b2da27fb08fb0952fc1cc0dc0b5f1fa0b623;p=fw%2Fsdcc diff --git a/src/z80/main.c b/src/z80/main.c index f076c45e..c30d6c57 100644 --- a/src/z80/main.c +++ b/src/z80/main.c @@ -1,44 +1,285 @@ -#include "common.h" -#include "ralloc.h" +#include "z80.h" +#include "MySystem.h" +#include "BuildCmd.h" -static char *_z80_keywords[] = { NULL }; +static char _z80_defaultRules[] = +{ +#include "peeph.rul" +#include "peeph-z80.rul" +}; + +static char _gbz80_defaultRules[] = +{ +#include "peeph.rul" +#include "peeph-gbz80.rul" +}; + +Z80_OPTS z80_opts; + +typedef enum + { + /* Must be first */ + ASM_TYPE_ASXXXX, + ASM_TYPE_RGBDS, + ASM_TYPE_ISAS + } +ASM_TYPE; + +static struct + { + ASM_TYPE asmType; + } +_G; + +static char *_keywords[] = +{ + "sfr", + "nonbanked", + "banked", + NULL +}; -void z80_assignRegisters (eBBlock **ebbs, int count); +extern PORT gbz80_port; +extern PORT z80_port; + +#include "mappings.i" + +static void +_z80_init (void) +{ + z80_opts.sub = SUB_Z80; + asm_addTree (&_asxxxx_z80); +} + +static void +_gbz80_init (void) +{ + z80_opts.sub = SUB_GBZ80; +} + +static int regParmFlg = 0; /* determine if we can register a parameter */ + +static void +_reset_regparm () +{ + regParmFlg = 0; +} -static bool _z80_parseOptions(int *pargc, char **argv) +static int +_reg_parm (sym_link * l) { - return FALSE; + if (regParmFlg == 2) + return 0; + + regParmFlg++; + return 1; } -static void _z80_finaliseOptions(void) +static bool +_startsWith (const char *sz, const char *key) { + return !strncmp (sz, key, strlen (key)); } -static void _z80_setDefaultOptions(void) -{ - options.genericPtr = 1; /* default on */ - options.nopeep = 1; - options.stackAuto = 1; - options.mainreturn = 1; - options.noregparms = 1; - /* first the options part */ - options.intlong_rent = 1; - - optimize.global_cse = 0; - optimize.label1 = 1; - optimize.label2 = 1; - optimize.label3 = 1; - optimize.label4 = 1; - optimize.loopInvariant = 1; - optimize.loopInduction = 0; +static void +_chomp (char *sz) +{ + char *nl; + while ((nl = strrchr (sz, '\n'))) + *nl = '\0'; } -static const char *_z80_getRegName(struct regs *reg) +static int +_process_pragma (const char *sz) { - if (reg) - return reg->name; - assert(0); - return "err"; + if (_startsWith (sz, "bank=")) + { + char buffer[128]; + strcpy (buffer, sz + 5); + _chomp (buffer); + if (isdigit (buffer[0])) + { + + } + else if (!strcmp (buffer, "BASE")) + { + strcpy (buffer, "HOME"); + } + if (isdigit (buffer[0])) + { + /* Arg was a bank number. Handle in an ASM independent + way. */ + char num[128]; + strcpy (num, sz + 5); + _chomp (num); + + switch (_G.asmType) + { + case ASM_TYPE_ASXXXX: + sprintf (buffer, "CODE_%s", num); + break; + case ASM_TYPE_RGBDS: + sprintf (buffer, "CODE,BANK[%s]", num); + break; + case ASM_TYPE_ISAS: + /* PENDING: what to use for ISAS? */ + sprintf (buffer, "CODE,BANK(%s)", num); + break; + default: + wassert (0); + } + } + gbz80_port.mem.code_name = gc_strdup (buffer); + code->sname = gbz80_port.mem.code_name; + return 0; + } + return 1; +} + +static const char *_gbz80_rgbasmCmd[] = +{ + "rgbasm", "-o$1.o", "$1.asm", NULL +}; + +static const char *_gbz80_rgblinkCmd[] = +{ + "xlink", "-tg", "-n$1.sym", "-m$1.map", "-zFF", "$1.lnk", NULL +}; + +static void +_gbz80_rgblink (void) +{ + FILE *lnkfile; + const char *sz; + + int i; + sz = srcFileName; + if (!sz) + sz = "a"; + + /* first we need to create the .lnk file */ + sprintf (buffer, "%s.lnk", sz); + if (!(lnkfile = fopen (buffer, "w"))) + { + werror (E_FILE_OPEN_ERR, buffer); + exit (1); + } + + fprintf (lnkfile, "[Objects]\n"); + + if (srcFileName) + fprintf (lnkfile, "%s.o\n", sz); + + for (i = 0; i < nrelFiles; i++) + fprintf (lnkfile, "%s\n", relFiles[i]); + + fprintf (lnkfile, "\n[Libraries]\n"); + /* additional libraries if any */ + for (i = 0; i < nlibFiles; i++) + fprintf (lnkfile, "%s\n", libFiles[i]); + + + fprintf (lnkfile, "\n[Output]\n" "%s.gb", sz); + + fclose (lnkfile); + + buildCmdLine (buffer,port->linker.cmd, sz, NULL, NULL, NULL); + /* call the linker */ + if (my_system (buffer)) + { + perror ("Cannot exec linker"); + exit (1); + } +} + +static bool +_parseOptions (int *pargc, char **argv, int *i) +{ + if (argv[*i][0] == '-') + { + if (argv[*i][1] == 'b' && IS_GB) + { + int bank = atoi (argv[*i] + 3); + char buffer[128]; + switch (argv[*i][2]) + { + case 'o': + /* ROM bank */ + sprintf (buffer, "CODE_%u", bank); + gbz80_port.mem.code_name = gc_strdup (buffer); + return TRUE; + case 'a': + /* RAM bank */ + sprintf (buffer, "DATA_%u", bank); + gbz80_port.mem.data_name = gc_strdup (buffer); + return TRUE; + } + } + else if (!strncmp (argv[*i], "--asm=", 6)) + { + if (!strcmp (argv[*i], "--asm=rgbds")) + { + asm_addTree (&_rgbds_gb); + gbz80_port.assembler.cmd = _gbz80_rgbasmCmd; + gbz80_port.linker.cmd = _gbz80_rgblinkCmd; + gbz80_port.linker.do_link = _gbz80_rgblink; + _G.asmType = ASM_TYPE_RGBDS; + return TRUE; + } + else if (!strcmp (argv[*i], "--asm=asxxxx")) + { + _G.asmType = ASM_TYPE_ASXXXX; + return TRUE; + } + else if (!strcmp (argv[*i], "--asm=isas")) + { + asm_addTree (&_isas_gb); + /* Munge the function prefix */ + gbz80_port.fun_prefix = ""; + _G.asmType = ASM_TYPE_ISAS; + return TRUE; + } + } + } + return FALSE; +} + +static void +_finaliseOptions (void) +{ + port->mem.default_local_map = data; + port->mem.default_globl_map = data; + if (_G.asmType == ASM_TYPE_ASXXXX && IS_GB) + asm_addTree (&_asxxxx_gb); +} + +static void +_setDefaultOptions (void) +{ + options.genericPtr = 1; /* default on */ + options.nopeep = 0; + options.stackAuto = 1; + options.mainreturn = 1; + options.nodebug = 1; + /* first the options part */ + options.intlong_rent = 1; + + optimize.global_cse = 1; + optimize.label1 = 1; + optimize.label2 = 1; + optimize.label3 = 1; + optimize.label4 = 1; + optimize.loopInvariant = 1; + optimize.loopInduction = 0; +} + +static const char * +_getRegName (struct regs *reg) +{ + if (reg) + return reg->name; + assert (0); + return "err"; } /** $1 is always the basename. @@ -47,54 +288,181 @@ static const char *_z80_getRegName(struct regs *reg) $l is the list of extra options that should be there somewhere... MUST be terminated with a NULL. */ -static const char *_linkCmd[] = { - "link-z80", "-nf", "$1", NULL +static const char *_z80_linkCmd[] = +{ + "link-z80", "-nf", "$1", NULL }; -static const char *_asmCmd[] = { - "as-z80", "-plosgff", "$1.o", "$1.asm", NULL +static const char *_z80_asmCmd[] = +{ + "as-z80", "-plosgff", "$1.o", "$1.asm", NULL +}; + +/** $1 is always the basename. + $2 is always the output file. + $3 varies + $l is the list of extra options that should be there somewhere... + MUST be terminated with a NULL. +*/ +static const char *_gbz80_linkCmd[] = +{ + "link-gbz80", "-nf", "$1", NULL +}; + +static const char *_gbz80_asmCmd[] = +{ + "as-gbz80", "-plosgff", "$1.o", "$1.asm", NULL }; /* Globals */ -PORT z80_port = { - "z80", - "Zilog Z80", /* Target name */ - { - _asmCmd, - "-plosgff", /* Options with debug */ - "-plosgff", /* Options without debug */ - }, - { - _linkCmd - }, - { - /* Sizes: char, short, int, long, ptr, fptr, gptr, bit, float, max */ - 1, 1, 2, 4, 2, 2, 2, 1, 4, 4 - }, - { - "_XSEG", - "_STACK", - "_CODE", - "_DATA", - "_ISEG", - "_XSEG", - "_BSEG", - "_RSEG", - "_GSINIT", - "_OVERLAY" - }, - { - -1, 0, 0, 8, 0 - }, +PORT z80_port = +{ + TARGET_ID_Z80, + "z80", + "Zilog Z80", /* Target name */ + { + FALSE, + MODEL_MEDIUM | MODEL_SMALL, + MODEL_SMALL + }, + { + _z80_asmCmd, + "-plosgff", /* Options with debug */ + "-plosgff", /* Options without debug */ + 0, + ".asm" + }, + { + _z80_linkCmd, + NULL, + ".o" + }, + { + _z80_defaultRules + }, + { + /* Sizes: char, short, int, long, ptr, fptr, gptr, bit, float, max */ + 1, 1, 2, 4, 2, 2, 2, 1, 4, 4 + }, + { + "XSEG", + "STACK", + "CODE", + "DATA", + "ISEG", + "XSEG", + "BSEG", + "RSEG", + "GSINIT", + "OVERLAY", + "GSFINAL", + "HOME", + NULL, + NULL, + 1 + }, + { + -1, 0, 0, 4, 0, 2 + }, /* Z80 has no native mul/div commands */ - { - 0 - }, - _z80_parseOptions, - _z80_finaliseOptions, - _z80_setDefaultOptions, - z80_assignRegisters, - _z80_getRegName, - _z80_keywords + { + 0, 2 + }, + "_", + _z80_init, + _parseOptions, + _finaliseOptions, + _setDefaultOptions, + z80_assignRegisters, + _getRegName, + _keywords, + 0, /* no assembler preamble */ + 0, /* no local IVT generation code */ + _reset_regparm, + _reg_parm, + _process_pragma, + TRUE, + 0, /* leave lt */ + 0, /* leave gt */ + 1, /* transform <= to ! > */ + 1, /* transform >= to ! < */ + 1, /* transform != to !(a == b) */ + 0, /* leave == */ + PORT_MAGIC }; +/* Globals */ +PORT gbz80_port = +{ + TARGET_ID_GBZ80, + "gbz80", + "Gameboy Z80-like", /* Target name */ + { + FALSE, + MODEL_MEDIUM | MODEL_SMALL, + MODEL_SMALL + }, + { + _gbz80_asmCmd, + "-plosgff", /* Options with debug */ + "-plosgff", /* Options without debug */ + 1 + }, + { + _gbz80_linkCmd, + NULL, + ".o" + }, + { + _gbz80_defaultRules + }, + { + /* Sizes: char, short, int, long, ptr, fptr, gptr, bit, float, max */ + 1, 1, 2, 4, 2, 2, 2, 1, 4, 4 + }, + { + "XSEG", + "STACK", + "CODE", + "DATA", + "ISEG", + "XSEG", + "BSEG", + "RSEG", + "GSINIT", + "OVERLAY", + "GSFINAL", + "HOME", + NULL, + NULL, + 1 + }, + { + -1, 0, 0, 2, 0, 4 + }, + /* gbZ80 has no native mul/div commands */ + { + 0, 2 + }, + "_", + _gbz80_init, + _parseOptions, + _finaliseOptions, + _setDefaultOptions, + z80_assignRegisters, + _getRegName, + _keywords, + 0, /* no assembler preamble */ + 0, /* no local IVT generation code */ + _reset_regparm, + _reg_parm, + _process_pragma, + TRUE, + 0, /* leave lt */ + 0, /* leave gt */ + 1, /* transform <= to ! > */ + 1, /* transform >= to ! < */ + 1, /* transform != to !(a == b) */ + 0, /* leave == */ + PORT_MAGIC +};