-#include "common.h"
-#include "ralloc.h"
+/*-------------------------------------------------------------------------
+ main.c - Z80 specific definitions.
-static char *_z80_keywords[] = { NULL };
+ Michael Hope <michaelh@juju.net.nz> 2001
-void z80_assignRegisters (eBBlock **ebbs, int count);
+ 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.
-static bool _z80_parseOptions(int *pargc, char **argv, int *i)
+ 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[] =
+{
+#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;
+ /* determine if we can register a parameter */
+ int regParams;
+ }
+_G;
+
+static char *_keywords[] =
{
- return FALSE;
+ "sfr",
+ "nonbanked",
+ "banked",
+ NULL
+};
+
+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 _z80_finaliseOptions(void)
+static void
+_gbz80_init (void)
{
+ z80_opts.sub = SUB_GBZ80;
}
-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 = 1;
- optimize.label1 = 1;
- optimize.label2 = 1;
- optimize.label3 = 1;
- optimize.label4 = 1;
- optimize.loopInvariant = 1;
- optimize.loopInduction = 0;
+static void
+_reset_regparm ()
+{
+ _G.regParams = 0;
}
-static const char *_z80_getRegName(struct regs *reg)
+static int
+_reg_parm (sym_link * l)
{
- if (reg)
- return reg->name;
- assert(0);
- return "err";
+ if (options.noRegParams)
+ {
+ return FALSE;
+ }
+ else
+ {
+ if (_G.regParams == 2)
+ {
+ return FALSE;
+ }
+ else
+ {
+ _G.regParams++;
+ return TRUE;
+ }
+ }
}
-/** $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 *_linkCmd[] = {
- "link-z80", "-nf", "$1", NULL
+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");
+ }
+ 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 = Safe_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 *_asmCmd[] = {
- "as-z80", "-plosgff", "$1.o", "$1.asm", NULL
+static const char *_gbz80_rgblinkCmd[] =
+{
+ "xlink", "-tg", "-n$1.sym", "-m$1.map", "-zFF", "$1.lnk", NULL
};
-/* Globals */
-PORT z80_port = {
- "z80",
- "Zilog Z80", /* Target name */
- {
- _asmCmd,
- "-plosgff", /* Options with debug */
- "-plosgff", /* Options without debug */
- },
+static void
+_gbz80_rgblink (void)
+{
+ FILE *lnkfile;
+ const char *sz;
+
+ int i;
+ sz = srcFileName;
+ if (!sz)
+ sz = "a";
+
+ /* first we need to create the <filename>.lnk file */
+ sprintf (scratchFileName, "%s.lnk", sz);
+ if (!(lnkfile = fopen (scratchFileName, "w")))
+ {
+ werror (E_FILE_OPEN_ERR, scratchFileName);
+ 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))
{
- _linkCmd
- },
+ 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 = Safe_strdup (buffer);
+ return TRUE;
+ case 'a':
+ /* 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 (!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
+_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)
+{
+ 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 void
+_setDefaultOptions (void)
+{
+ 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)
{
- /* Sizes: char, short, int, long, ptr, fptr, gptr, bit, float, max */
- 1, 1, 2, 4, 2, 2, 2, 1, 4, 4
- },
+ options.data_loc = 0xC000;
+ }
+ else
{
- "_XSEG",
- "_STACK",
- "_CODE",
- "_DATA",
- "_ISEG",
- "_XSEG",
- "_BSEG",
- "_RSEG",
- "_GSINIT",
- "_OVERLAY"
- },
- {
- -1, 0, 0, 8, 0
- },
+ 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;
+}
+
+/* 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 char *
+_mangleSupportFunctionName(char *original)
+{
+ char buffer[128];
+
+ sprintf(buffer, "%s_rr%s_%s", original,
+ options.profile ? "f" : "x",
+ options.noRegParams ? "s" : "bds"
+ );
+
+ return Safe_strdup(buffer);
+}
+
+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 =
+{
+ 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
- },
- _z80_parseOptions,
- _z80_finaliseOptions,
- _z80_setDefaultOptions,
- z80_assignRegisters,
- _z80_getRegName,
- _z80_keywords,
- 0, /* no assembler preamble */
- 0, /* no local IVT generation code */
+ {
+ 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 =
+{
+ 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,
+ _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
+};
projects / fw / sdcc / blobdiff