X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fz80%2Fmain.c;h=99abb8db1a54803de3cb15b2c7f505750117bf2d;hb=b9bea5043c1c0af93766dade356b99edd0fec0ea;hp=f60636d7503425672f70761478c0fe0d3f1d60a3;hpb=c4b55ee40ddb79b816c42b1567dc9b5858153b66;p=fw%2Fsdcc diff --git a/src/z80/main.c b/src/z80/main.c index f60636d7..99abb8db 100644 --- a/src/z80/main.c +++ b/src/z80/main.c @@ -1,6 +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[] = { @@ -28,6 +53,8 @@ ASM_TYPE; static struct { ASM_TYPE asmType; + /* determine if we can register a parameter */ + int regParams; } _G; @@ -57,12 +84,10 @@ _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; + _G.regParams = 0; } static int @@ -74,40 +99,26 @@ _reg_parm (sym_link * l) } else { - if (regParmFlg == 2) + if (_G.regParams == 2) { return FALSE; } else { - regParmFlg++; + _G.regParams++; return TRUE; } } } -static bool -_startsWith (const char *sz, const char *key) -{ - return !strncmp (sz, key, strlen (key)); -} - -static void -_chomp (char *sz) -{ - char *nl; - while ((nl = strrchr (sz, '\n'))) - *nl = '\0'; -} - static int _process_pragma (const char *sz) { - if (_startsWith (sz, "bank=")) + if (startsWith (sz, "bank=")) { char buffer[128]; strcpy (buffer, sz + 5); - _chomp (buffer); + chomp (buffer); if (isdigit (buffer[0])) { @@ -122,7 +133,7 @@ _process_pragma (const char *sz) way. */ char num[128]; strcpy (num, sz + 5); - _chomp (num); + chomp (num); switch (_G.asmType) { @@ -140,7 +151,7 @@ _process_pragma (const char *sz) wassert (0); } } - gbz80_port.mem.code_name = gc_strdup (buffer); + gbz80_port.mem.code_name = Safe_strdup (buffer); code->sname = gbz80_port.mem.code_name; return 0; } @@ -217,12 +228,12 @@ _parseOptions (int *pargc, char **argv, int *i) case 'o': /* ROM bank */ sprintf (buffer, "CODE_%u", bank); - gbz80_port.mem.code_name = gc_strdup (buffer); + 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); + gbz80_port.mem.data_name = Safe_strdup (buffer); return TRUE; } } @@ -255,6 +266,40 @@ _parseOptions (int *pargc, char **argv, int *i) return FALSE; } +static void +_setValues(void) +{ + 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 _finaliseOptions (void) { @@ -262,6 +307,8 @@ _finaliseOptions (void) port->mem.default_globl_map = data; if (_G.asmType == ASM_TYPE_ASXXXX && IS_GB) asm_addTree (&_asxxxx_gb); + + _setValues(); } static void @@ -273,10 +320,19 @@ _setDefaultOptions (void) options.mainreturn = 1; /* first the options part */ options.intlong_rent = 1; + options.float_rent = 1; options.noRegParams = 1; /* Default code and data locations. */ options.code_loc = 0x200; - options.data_loc = 0x8000; + + if (IS_GB) + { + options.data_loc = 0xC000; + } + else + { + options.data_loc = 0x8000; + } optimize.global_cse = 1; optimize.label1 = 1; @@ -312,149 +368,70 @@ _mangleSupportFunctionName(char *original) { char buffer[128]; - if (TARGET_IS_Z80) - { - sprintf(buffer, "%s_rr%s_%s", original, - options.profile ? "f" : "x", - options.noRegParams ? "s" : "bds" - ); - } - else - { - strcpy(buffer, original); - } + sprintf(buffer, "%s_rr%s_%s", original, + options.profile ? "f" : "x", + options.noRegParams ? "s" : "bds" + ); - return gc_strdup(buffer); + return Safe_strdup(buffer); } static const char * _getRegName (struct regs *reg) { if (reg) - return reg->name; + { + return reg->name; + } assert (0); return "err"; } -/** $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 *_z80_linkCmd[] = -{ - "link-z80", - "-n", // Don't echo output - "-c", // Command line input - "--", // Again, command line input... - "-b_CODE=0x200", // Code starts at 0x200 - "-b_DATA=0x8000", // RAM starts at 0x8000 - "-j", // Output a symbol file as well - "-k" SDCC_LIB_DIR "/z80", // Library path - "-lz80.lib", // Library to use - "-i", // Output Intel IHX - "$1.ihx", // Output to - SDCC_LIB_DIR "/z80/crt0.o", // Link in crt0 first - "$1.o", // Actual code - NULL -}; - -/* sprintf that appends to the string. */ -static void -_saprintf(char *pinto, const char *format, ...) +static bool +_hasNativeMulFor (iCode *ic, sym_link *left, sym_link *right) { - va_list ap; - va_start(ap, format); + sym_link *test = NULL; + value *val; - vsprintf(pinto + strlen(pinto), format, ap); - va_end(ap); -} - -static void -_z80_link(void) -{ - int i; - // PENDING - char buffer[2048]; - - sprintf(buffer, - "link-z80 " - "-n " // Don't echo output - "-c " // Command line input - "-- " // Again, command line input... - "-b_CODE=0x%04X " // Code starts at 0x200 - "-b_DATA=0x%04X " // RAM starts at 0x8000 - "-j ", // Output a symbol file as well - options.code_loc, - options.data_loc - ); - - // Add the standard lib in. - if (options.nostdlib == FALSE) { - _saprintf(buffer, - "-k" SDCC_LIB_DIR "/z80 " // Library path - "-lz80.lib " // Library to use - ); + if ( ic->op != '*') + { + return FALSE; } - // Add in the library paths and libraries - for (i = 0; i < nlibFiles; i++) { - _saprintf(buffer, "-k%s ", libFiles[i]); + if ( IS_LITERAL (left)) + { + test = left; + val = OP_VALUE (IC_LEFT (ic)); } - for (i = 0; i < nlibPaths; i++) { - _saprintf(buffer, "-l%s ", libPaths[i]); + else if ( IS_LITERAL (right)) + { + test = left; + val = OP_VALUE (IC_RIGHT (ic)); } - - _saprintf(buffer, - "-i " // Output Intel IHX - "%s.ihx ", // Output to - srcFileName - ); - - if (options.nostdlib == FALSE) { - _saprintf(buffer, - SDCC_LIB_DIR "/z80/crt0.o " // Link in crt0 first - ); + else + { + return FALSE; } - _saprintf(buffer, - "%s.o ", // Actual code - srcFileName - ); - - // Append all the other targets - for (i = 0; i < nrelFiles; i++) { - _saprintf(buffer, "%s ", relFiles[i]); + if ( getSize (test) <= 2) + { + return TRUE; } - // Do it. - if (my_system (buffer)) { - exit(1); - } + return FALSE; } -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[] = -{ - // PENDING - "link-gbz80", "-nf", "$1", NULL -}; +#define LINKCMD \ + "{bindir}{sep}link-{port} -n -c -- {z80bases} -m -j" \ + " {z80libspec}" \ + " {z80extralibfiles} {z80extralibpaths}" \ + " {z80outputtypeflag} {srcfilename}{z80outext}" \ + " {z80crt0}" \ + " {srcfilename}{objext}" \ + " {z80extraobj}" -static const char *_gbz80_asmCmd[] = -{ - "as-gbz80", "-plosgff", "$1.o", "$1.asm", NULL -}; +#define ASMCMD \ + "{bindir}{sep}as-{port} -plosgff {srcfilename}{objext} {srcfilename}{asmext}" /* Globals */ PORT z80_port = @@ -468,15 +445,17 @@ PORT z80_port = MODEL_SMALL }, { - _z80_asmCmd, + NULL, + ASMCMD, "-plosgff", /* Options with debug */ "-plosgff", /* Options without debug */ 0, ".asm" }, { - _z80_linkCmd, - _z80_link, + NULL, + LINKCMD, + NULL, ".o" }, { @@ -524,6 +503,7 @@ PORT z80_port = _reg_parm, _process_pragma, _mangleSupportFunctionName, + _hasNativeMulFor, TRUE, 0, /* leave lt */ 0, /* leave gt */ @@ -532,6 +512,7 @@ PORT z80_port = 1, /* transform != to !(a == b) */ 0, /* leave == */ TRUE, /* Array initializer support. */ + 0, /* no CSE cost estimation yet */ PORT_MAGIC }; @@ -547,14 +528,16 @@ PORT gbz80_port = MODEL_SMALL }, { - _gbz80_asmCmd, + NULL, + ASMCMD, "-plosgff", /* Options with debug */ "-plosgff", /* Options without debug */ - 1, + 0, ".asm" }, { - _gbz80_linkCmd, + NULL, + LINKCMD, NULL, ".o" }, @@ -562,8 +545,8 @@ PORT gbz80_port = _gbz80_defaultRules }, { - /* Sizes: char, short, int, long, ptr, fptr, gptr, bit, float, max */ - 1, 1, 2, 4, 2, 2, 2, 1, 4, 4 + /* Sizes: char, short, int, long, ptr, fptr, gptr, bit, float, max */ + 1, 2, 2, 4, 2, 2, 2, 1, 4, 4 }, { "XSEG", @@ -602,7 +585,8 @@ PORT gbz80_port = _reset_regparm, _reg_parm, _process_pragma, - NULL, + _mangleSupportFunctionName, + _hasNativeMulFor, TRUE, 0, /* leave lt */ 0, /* leave gt */ @@ -610,6 +594,7 @@ PORT gbz80_port = 1, /* transform >= to ! < */ 1, /* transform != to !(a == b) */ 0, /* leave == */ - FALSE, /* No array initializer support. */ + TRUE, /* Array initializer support. */ + 0, /* no CSE cost estimation yet */ PORT_MAGIC };