X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fz80%2Fmain.c;h=8db371fdcfbfedabf41687dfeacf563f72bfdf40;hb=e6f797f8ccde60604461df6cbb869546fbfbbc2d;hp=aef74af8869b2218c4e2b925e90e355cee99cef5;hpb=0e486caba2e97c32e1bf2030d45dddce103beae4;p=fw%2Fsdcc diff --git a/src/z80/main.c b/src/z80/main.c index aef74af8..8db371fd 100644 --- a/src/z80/main.c +++ b/src/z80/main.c @@ -1,4 +1,31 @@ +/*------------------------------------------------------------------------- + main.c - Z80 specific definitions. + + Michael Hope 2001 + + This program is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by the + Free Software Foundation; either version 2, or (at your option) any + later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + In other words, you are welcome to use, share and improve this program. + You are forbidden to forbid anyone else to use, share and improve + what you give them. Help stamp out software-hoarding! +-------------------------------------------------------------------------*/ + #include "z80.h" +#include "MySystem.h" +#include "BuildCmd.h" +#include "SDCCutil.h" static char _z80_defaultRules[] = { @@ -14,22 +41,29 @@ static char _gbz80_defaultRules[] = Z80_OPTS z80_opts; -typedef enum { +typedef enum + { /* Must be first */ ASM_TYPE_ASXXXX, ASM_TYPE_RGBDS, ASM_TYPE_ISAS -} ASM_TYPE; + } +ASM_TYPE; -static struct { +static struct + { ASM_TYPE asmType; -} _G; + /* determine if we can register a parameter */ + int regParams; + } +_G; -static char *_keywords[] = { - "sfr", - "nonbanked", - "banked", - NULL +static char *_keywords[] = +{ + "sfr", + "nonbanked", + "banked", + NULL }; extern PORT gbz80_port; @@ -37,381 +71,491 @@ extern PORT z80_port; #include "mappings.i" -static void _z80_init(void) +static void +_z80_init (void) { - z80_opts.sub = SUB_Z80; - asm_addTree(&_asxxxx_z80); + z80_opts.sub = SUB_Z80; + asm_addTree (&_asxxxx_z80); } -static void _gbz80_init(void) +static void +_gbz80_init (void) { - z80_opts.sub = SUB_GBZ80; + z80_opts.sub = SUB_GBZ80; } -static int regParmFlg = 0; /* determine if we can register a parameter */ - -static void _reset_regparm() +static void +_reset_regparm () { - regParmFlg = 0; + _G.regParams = 0; } -static int _reg_parm(sym_link *l) +static int +_reg_parm (sym_link * l) { - if (regParmFlg == 2) - return 0; - - regParmFlg++; - return 1; -} - -static bool _startsWith(const char *sz, const char *key) -{ - return !strncmp(sz, key, strlen(key)); + if (options.noRegParams) + { + return FALSE; + } + else + { + if (_G.regParams == 2) + { + return FALSE; + } + else + { + _G.regParams++; + return TRUE; + } + } } -static void _chomp(char *sz) +static int +_process_pragma (const char *sz) { - char *nl; - while ((nl = strrchr(sz, '\n'))) - *nl = '\0'; -} + if (startsWith (sz, "bank=")) + { + char buffer[128]; + strcpy (buffer, sz + 5); + chomp (buffer); + if (isdigit (buffer[0])) + { -static int _process_pragma(const char *sz) -{ - 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"); + 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) { + 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; + sprintf (buffer, "CODE_%s", num); + break; case ASM_TYPE_RGBDS: - sprintf(buffer, "CODE,BANK[%s]", num); - break; + sprintf (buffer, "CODE,BANK[%s]", num); + break; case ASM_TYPE_ISAS: - /* PENDING: what to use for ISAS? */ - sprintf(buffer, "CODE,BANK(%s)", num); - break; + /* PENDING: what to use for ISAS? */ + sprintf (buffer, "CODE,BANK(%s)", num); + break; default: - wassert(0); + wassert (0); } } - gbz80_port.mem.code_name = gc_strdup(buffer); - code->sname = gbz80_port.mem.code_name; - return 0; + gbz80_port.mem.code_name = Safe_strdup (buffer); + code->sname = gbz80_port.mem.code_name; + return 0; } - return 1; + return 1; } -static const char *_gbz80_rgbasmCmd[] = { - "rgbasm", "-o$1.o", "$1.asm", NULL +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 const char *_gbz80_rgblinkCmd[] = +{ + "xlink", "-tg", "-n$1.sym", "-m$1.map", "-zFF", "$1.lnk", NULL }; -static void _gbz80_rgblink(void) +static void +_gbz80_rgblink (void) { - FILE *lnkfile; - const char *sz; - char *argv[128]; - - 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); + FILE *lnkfile; + const char *sz; + + int i; + sz = srcFileName; + if (!sz) + sz = "a"; + + /* first we need to create the .lnk file */ + sprintf (scratchFileName, "%s.lnk", sz); + if (!(lnkfile = fopen (scratchFileName, "w"))) + { + werror (E_FILE_OPEN_ERR, scratchFileName); + exit (1); } - fprintf(lnkfile, "[Objects]\n"); + fprintf (lnkfile, "[Objects]\n"); - if (srcFileName) - fprintf(lnkfile, "%s.o\n", sz); + if (srcFileName) + fprintf (lnkfile, "%s.o\n", sz); - for (i = 0 ; i < nrelFiles ; i++ ) - fprintf (lnkfile,"%s\n",relFiles[i]); + 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[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); + fprintf (lnkfile, "\n[Output]\n" "%s.gb", sz); - fclose(lnkfile); + fclose (lnkfile); - buildCmdLine(buffer, argv, port->linker.cmd, sz, NULL, NULL, NULL); - /* call the linker */ - if (my_system(argv[0], argv)) { - perror("Cannot exec linker"); - exit(1); + 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) +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]) { + 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; + /* ROM bank */ + sprintf (buffer, "CODE_%u", bank); + gbz80_port.mem.code_name = Safe_strdup (buffer); + return TRUE; case 'a': - /* RAM bank */ - sprintf(buffer, "DATA_%u", bank); - gbz80_port.mem.data_name = gc_strdup(buffer); - return TRUE; + /* RAM bank */ + sprintf (buffer, "DATA_%u", bank); + gbz80_port.mem.data_name = Safe_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 (!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=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; + 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; + return FALSE; } -static void _finaliseOptions(void) +static void +_setValues(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); + if (options.nostdlib == FALSE) + { + setMainValue ("z80libspec", "-k{libdir}{sep}{port} -l{port}.lib"); + setMainValue ("z80crt0", "{libdir}{sep}{port}{sep}crt0{objext}"); + } + else + { + setMainValue ("z80libspec", ""); + setMainValue ("z80crt0", ""); + } + + setMainValue ("z80extralibfiles", joinn (libFiles, nlibFiles)); + setMainValue ("z80extralibpaths", joinn (libPaths, nlibPaths)); + + if (IS_GB) + { + setMainValue ("z80outputtypeflag", "-z"); + setMainValue ("z80outext", ".gb"); + } + else + { + setMainValue ("z80outputtypeflag", "-i"); + setMainValue ("z80outext", ".ihx"); + } + + setMainValue ("z80extraobj", joinn (relFiles, nrelFiles)); + + sprintf (buffer, "-b_CODE=0x%04X -b_DATA=0x%04X", options.code_loc, options.data_loc); + setMainValue ("z80bases", buffer); } -static void _setDefaultOptions(void) -{ - options.genericPtr = 1; /* default on */ - options.nopeep = 0; - options.stackAuto = 1; - options.mainreturn = 1; - options.noregparms = 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 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); + + _setValues(); } -static const char *_getRegName(struct regs *reg) +static void +_setDefaultOptions (void) { - if (reg) - return reg->name; - assert(0); - return "err"; + options.genericPtr = 1; /* default on */ + options.nopeep = 0; + options.stackAuto = 1; + options.mainreturn = 1; + /* first the options part */ + options.intlong_rent = 1; + options.noRegParams = 1; + /* Default code and data locations. */ + options.code_loc = 0x200; + + if (IS_GB) + { + options.data_loc = 0xC000; + } + else + { + options.data_loc = 0x8000; + } + + optimize.global_cse = 1; + optimize.label1 = 1; + optimize.label2 = 1; + optimize.label3 = 1; + optimize.label4 = 1; + optimize.loopInvariant = 1; + optimize.loopInduction = 1; } -/** $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. +/* Mangaling format: + _fun_policy_params + where: + policy is the function policy + params is the parameter format + + policy format: + rsp + where: + r is 'r' for reentrant, 's' for static functions + s is 'c' for callee saves, 'r' for caller saves + p is 'p' for profiling on, 'x' for profiling off + examples: + rr - reentrant, caller saves + params format: + A combination of register short names and s to signify stack variables. + examples: + bds - first two args appear in BC and DE, the rest on the stack + s - all arguments are on the stack. */ -static const char *_z80_linkCmd[] = { - "link-z80", "-nf", "$1", NULL -}; +static char * +_mangleSupportFunctionName(char *original) +{ + char buffer[128]; -static const char *_z80_asmCmd[] = { - "as-z80", "-plosgff", "$1.o", "$1.asm", NULL -}; + sprintf(buffer, "%s_rr%s_%s", original, + options.profile ? "f" : "x", + options.noRegParams ? "s" : "bds" + ); -/** $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 -}; + return Safe_strdup(buffer); +} -static const char *_gbz80_asmCmd[] = { - "as-gbz80", "-plosgff", "$1.o", "$1.asm", NULL -}; +static const char * +_getRegName (struct regs *reg) +{ + if (reg) + { + return reg->name; + } + assert (0); + return "err"; +} + +#define LINKCMD \ + "{bindir}{sep}link-{port} -n -c -- {z80bases} -m -j" \ + " {z80libspec}" \ + " {z80extralibfiles} {z80extralibpaths}" \ + " {z80outputtypeflag} {srcfilename}{z80outext}" \ + " {z80crt0}" \ + " {srcfilename}{objext}" \ + " {z80extraobj}" + +#define ASMCMD \ + "{bindir}{sep}as-{port} -plosgff {srcfilename}{objext} {srcfilename}{asmext}" /* Globals */ -PORT z80_port = { - "z80", - "Zilog Z80", /* Target name */ - { - FALSE, - MODEL_MEDIUM | MODEL_SMALL, - MODEL_SMALL - }, - { - _z80_asmCmd, - "-plosgff", /* Options with debug */ - "-plosgff", /* Options without debug */ - }, - { - _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 - }, +PORT z80_port = +{ + TARGET_ID_Z80, + "z80", + "Zilog Z80", /* Target name */ + { + FALSE, + MODEL_MEDIUM | MODEL_SMALL, + MODEL_SMALL + }, + { + NULL, + ASMCMD, + "-plosgff", /* Options with debug */ + "-plosgff", /* Options without debug */ + 0, + ".asm" + }, + { + NULL, + LINKCMD, + NULL, + ".o" + }, + { + _z80_defaultRules + }, + { + /* Sizes: char, short, int, long, ptr, fptr, gptr, bit, float, max */ + 1, 2, 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, 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, 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, + _mangleSupportFunctionName, + TRUE, + 0, /* leave lt */ + 0, /* leave gt */ + 1, /* transform <= to ! > */ + 1, /* transform >= to ! < */ + 1, /* transform != to !(a == b) */ + 0, /* leave == */ + TRUE, /* Array initializer support. */ + PORT_MAGIC }; /* Globals */ -PORT gbz80_port = { - "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 - }, +PORT gbz80_port = +{ + TARGET_ID_GBZ80, + "gbz80", + "Gameboy Z80-like", /* Target name */ + { + FALSE, + MODEL_MEDIUM | MODEL_SMALL, + MODEL_SMALL + }, + { + NULL, + ASMCMD, + "-plosgff", /* Options with debug */ + "-plosgff", /* Options without debug */ + 0, + ".asm" + }, + { + NULL, + LINKCMD, + NULL, + ".o" + }, + { + _gbz80_defaultRules + }, + { + /* Sizes: char, short, int, long, ptr, fptr, gptr, bit, float, max */ + 1, 2, 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 == */ + { + 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, + _mangleSupportFunctionName, + TRUE, + 0, /* leave lt */ + 0, /* leave gt */ + 1, /* transform <= to ! > */ + 1, /* transform >= to ! < */ + 1, /* transform != to !(a == b) */ + 0, /* leave == */ + FALSE, /* No array initializer support. */ + PORT_MAGIC };