static OPTION _z80_options[] =
{
- { 0, "--callee-saves-bc", &z80_opts.calleeSavesBC, "Force a called function to always save BC" },
- { 0, NULL }
+ { 0, "--callee-saves-bc", &z80_opts.calleeSavesBC, "Force a called function to always save BC" },
+ { 0, "--portmode=", NULL, "Determine PORT I/O mode (z80/z180)" },
+ { 0, NULL }
+ };
+
+static OPTION _gbz80_options[] =
+ {
+ { 0, "--callee-saves-bc", &z80_opts.calleeSavesBC, "Force a called function to always save BC" },
+ { 0, NULL }
};
typedef enum
"sfr",
"nonbanked",
"banked",
+ "at", //.p.t.20030714 adding support for 'sfr at ADDR' construct
+ "_naked", //.p.t.20030714 adding support for '_naked' functions
+ "critical",
+ "interrupt",
NULL
};
}
static void
-_reset_regparm ()
+_reset_regparm (void)
{
_G.regParams = 0;
}
static int
-_reg_parm (sym_link * l)
+_reg_parm (sym_link * l, bool reentrant)
{
if (options.noRegParams)
{
}
}
+enum {
+ P_BANK = 1,
+ P_PORTMODE
+};
+
static int
-_process_pragma (const char *sz)
+do_pragma(int id, const char *name, const char *cp)
{
- if (startsWith (sz, "bank="))
+ struct pragma_token_s token;
+ int err = 0;
+ int processed = 1;
+
+ init_pragma_token(&token);
+
+ switch (id)
{
- char buffer[128];
- strcpy (buffer, sz + 5);
- chomp (buffer);
- if (isdigit (buffer[0]))
- {
+ case P_BANK:
+ {
+ char buffer[128];
- }
- 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);
+ cp = get_pragma_token(cp, &token);
- 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;
+ switch (token.type)
+ {
+ case TOKEN_EOL:
+ err = 1;
+ break;
+
+ case TOKEN_INT:
+ switch (_G.asmType)
+ {
+ case ASM_TYPE_ASXXXX:
+ sprintf(buffer, "CODE_%d", token.val.int_val);
+ break;
+
+ case ASM_TYPE_RGBDS:
+ sprintf(buffer, "CODE,BANK[%d]", token.val.int_val);
+ break;
+
+ case ASM_TYPE_ISAS:
+ /* PENDING: what to use for ISAS? */
+ sprintf (buffer, "CODE,BANK(%d)", token.val.int_val);
+ break;
+
+ default:
+ wassert (0);
+ }
+ break;
+
+ default:
+ {
+ const char *str = get_pragma_string(&token);
+
+ strcpy(buffer, (0 == strcmp("BASE", str)) ? "HOME" : str);
+ }
+ break;
+ }
+
+ cp = get_pragma_token(cp, &token);
+ if (TOKEN_EOL != token.type)
+ {
+ err = 1;
+ break;
+ }
+
+ gbz80_port.mem.code_name = Safe_strdup (buffer);
+ code->sname = gbz80_port.mem.code_name;
+ options.code_seg = gbz80_port.mem.code_name;
+ }
+ break;
+
+ case P_PORTMODE:
+ { /*.p.t.20030716 - adding pragma to manipulate z80 i/o port addressing modes */
+ const char *str;
+
+ cp = get_pragma_token(cp, &token);
+
+ if (TOKEN_EOL == token.type)
+ {
+ err = 1;
+ break;
+ }
+
+ str = get_pragma_string(&token);
+
+ cp = get_pragma_token(cp, &token);
+ if (TOKEN_EOL != token.type)
+ {
+ err = 1;
+ break;
+ }
+
+ if (!strcmp(str, "z80"))
+ { z80_opts.port_mode = 80; }
+ else if(!strcmp(str, "z180"))
+ { z80_opts.port_mode = 180; }
+ else if(!strcmp(str, "save"))
+ { z80_opts.port_back = z80_opts.port_mode; }
+ else if(!strcmp(str, "restore" ))
+ { z80_opts.port_mode = z80_opts.port_back; }
+ else
+ err = 1;
+ }
+ break;
+
+ default:
+ processed = 0;
+ break;
+ }
+
+ get_pragma_token(cp, &token);
+
+ if (1 == err)
+ werror(W_BAD_PRAGMA_ARGUMENTS, name);
+
+ free_pragma_token(&token);
+ return processed;
+}
+
+static struct pragma_s pragma_tbl[] = {
+ { "bank", P_BANK, 0, do_pragma },
+ { "portmode", P_PORTMODE, 0, do_pragma },
+ { NULL, 0, 0, NULL },
+ };
+
+static int
+_process_pragma(const char *s)
+{
+ return process_pragma_tbl(pragma_tbl, s);
}
static const char *_gbz80_rgbasmCmd[] =
/* ROM bank */
sprintf (buffer, "CODE_%u", bank);
gbz80_port.mem.code_name = Safe_strdup (buffer);
+ options.code_seg = gbz80_port.mem.code_name;
return TRUE;
case 'a':
/* RAM bank */
return TRUE;
}
}
+ else if (!strncmp (argv[*i], "--portmode=", 11))
+ {
+ if (!strcmp (argv[*i], "--portmode=z80"))
+ {
+ z80_opts.port_mode = 80;
+ return TRUE;
+ }
+ else if (!strcmp (argv[*i], "--portmode=z180"))
+ {
+ z80_opts.port_mode = 180;
+ return TRUE;
+ }
+ }
}
return FALSE;
}
return FALSE;
}
+/* Indicate which extended bit operations this port supports */
+static bool
+hasExtBitOp (int op, int size)
+{
+ if (op == GETHBIT)
+ return TRUE;
+ else
+ return FALSE;
+}
+
+/* Indicate the expense of an access to an output storage class */
+static int
+oclsExpense (struct memmap *oclass)
+{
+ if (IN_FARSPACE(oclass))
+ return 1;
+
+ return 0;
+}
+
#define LINKCMD "link-{port} -nf {dstfilename}"
/*
NULL,
LINKCMD,
NULL,
- ".o"
+ ".o",
+ 1
},
{
_z80_defaultRules
/* Sizes: char, short, int, long, ptr, fptr, gptr, bit, float, max */
1, 2, 2, 4, 2, 2, 2, 1, 4, 4
},
+ /* tags for generic pointers */
+ { 0x00, 0x40, 0x60, 0x80 }, /* far, near, xstack, code */
{
"XSEG",
"STACK",
"CODE",
"DATA",
"ISEG",
+ NULL, /* pdata */
"XSEG",
"BSEG",
"RSEG",
"HOME",
NULL, /* xidata */
NULL, /* xinit */
+ NULL, /* const_name */
+ "CABS", /* cabs_name */
NULL,
NULL,
1
{
0, 2
},
+ {
+ z80_emitDebuggerSymbol
+ },
+ {
+ 255, /* maxCount */
+ 3, /* sizeofElement */
+ /* The rest of these costs are bogus. They approximate */
+ /* the behavior of src/SDCCicode.c 1.207 and earlier. */
+ {4,4,4}, /* sizeofMatchJump[] */
+ {0,0,0}, /* sizeofRangeCompare[] */
+ 0, /* sizeofSubtract */
+ 3, /* sizeofDispatch */
+ },
"_",
_z80_init,
_parseOptions,
_z80_options,
+ NULL,
_finaliseOptions,
_setDefaultOptions,
z80_assignRegisters,
NULL, /* no genAssemblerEnd */
0, /* no local IVT generation code */
0, /* no genXINIT code */
+ NULL, /* genInitStartup */
_reset_regparm,
_reg_parm,
_process_pragma,
_mangleSupportFunctionName,
_hasNativeMulFor,
+ hasExtBitOp, /* hasExtBitOp */
+ oclsExpense, /* oclsExpense */
TRUE,
+ TRUE, /* little endian */
0, /* leave lt */
0, /* leave gt */
1, /* transform <= to ! > */
NULL,
LINKCMD,
NULL,
- ".o"
+ ".o",
+ 1
},
{
_gbz80_defaultRules
/* Sizes: char, short, int, long, ptr, fptr, gptr, bit, float, max */
1, 2, 2, 4, 2, 2, 2, 1, 4, 4
},
+ /* tags for generic pointers */
+ { 0x00, 0x40, 0x60, 0x80 }, /* far, near, xstack, code */
{
"XSEG",
"STACK",
"CODE",
"DATA",
"ISEG",
+ NULL, /* pdata */
"XSEG",
"BSEG",
"RSEG",
"HOME",
NULL, /* xidata */
NULL, /* xinit */
+ NULL, /* const_name */
+ "CABS", /* cabs_name */
NULL,
NULL,
1
{
0, 2
},
+ {
+ z80_emitDebuggerSymbol
+ },
+ {
+ 255, /* maxCount */
+ 3, /* sizeofElement */
+ /* The rest of these costs are bogus. They approximate */
+ /* the behavior of src/SDCCicode.c 1.207 and earlier. */
+ {4,4,4}, /* sizeofMatchJump[] */
+ {0,0,0}, /* sizeofRangeCompare[] */
+ 0, /* sizeofSubtract */
+ 3, /* sizeofDispatch */
+ },
"_",
_gbz80_init,
_parseOptions,
- _z80_options,
+ _gbz80_options,
+ NULL,
_finaliseOptions,
_setDefaultOptions,
z80_assignRegisters,
NULL, /* no genAssemblerEnd */
0, /* no local IVT generation code */
0, /* no genXINIT code */
+ NULL, /* genInitStartup */
_reset_regparm,
_reg_parm,
_process_pragma,
_mangleSupportFunctionName,
_hasNativeMulFor,
+ hasExtBitOp, /* hasExtBitOp */
+ oclsExpense, /* oclsExpense */
TRUE,
+ TRUE, /* little endian */
0, /* leave lt */
0, /* leave gt */
1, /* transform <= to ! > */
projects / fw / sdcc / blobdiff