static struct
{
ASM_TYPE asmType;
+ /* determine if we can register a parameter */
+ int regParams;
}
_G;
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
_reg_parm (sym_link * l)
{
- if (regParmFlg == 2)
- return 0;
-
- regParmFlg++;
- return 1;
+ if (options.noRegParams)
+ {
+ return FALSE;
+ }
+ else
+ {
+ if (_G.regParams == 2)
+ {
+ return FALSE;
+ }
+ else
+ {
+ _G.regParams++;
+ return TRUE;
+ }
+ }
}
static bool
options.nopeep = 0;
options.stackAuto = 1;
options.mainreturn = 1;
- options.nodebug = 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.label3 = 1;
optimize.label4 = 1;
optimize.loopInvariant = 1;
- optimize.loopInduction = 0;
+ 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 gc_strdup(buffer);
}
static const char *
_getRegName (struct regs *reg)
{
if (reg)
- return reg->name;
+ {
+ return reg->name;
+ }
assert (0);
return "err";
}
$l is the list of extra options that should be there somewhere...
MUST be terminated with a NULL.
*/
+static const char *_z80_asmCmd[] =
+{
+ "as-z80",
+ "-plosgff",
+ "$1.o",
+ "$1.asm",
+ NULL
+};
+
static const char *_z80_linkCmd[] =
{
- "link-z80", "-nf", "$1", NULL
+ "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
};
-static const char *_z80_asmCmd[] =
+static const char *_gbz80_asmCmd[] =
{
- "as-z80", "-plosgff", "$1.o", "$1.asm", NULL
+ "as-gbz80",
+ "-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
+ "link-z80",
+ "-n", // Don't echo output
+ "-c", // Command line input
+ "--", // Again, command line input...
+ "-b_CODE=0x200", // Code starts at 0x200
+ "-b_DATA=0xC000", // RAM starts at 0xC000
+ "-j", // Output a symbol file as well
+ "-k" SDCC_LIB_DIR "/gbz80", // Library path
+ "-lgbz80.lib", // Library to use
+ "-z", // Output Gameboy image
+ "$1.gb", // Output to
+ SDCC_LIB_DIR "/gbz80/crt0.o",// Link in crt0 first
+ "$1.o", // Actual code
+ NULL
};
-static const char *_gbz80_asmCmd[] =
+/* sprintf that appends to the string. */
+static void
+_saprintf(char *pinto, const char *format, ...)
{
- "as-gbz80", "-plosgff", "$1.o", "$1.asm", NULL
-};
+ va_list ap;
+ va_start(ap, format);
+
+ vsprintf(pinto + strlen(pinto), format, ap);
+ va_end(ap);
+}
+
+static void
+_link(const char *portName, const char *portExt, const char *portOutputType)
+{
+ int i;
+ // PENDING
+ char buffer[2048];
+
+ sprintf(buffer,
+ "link-%s "
+ "-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
+ portName,
+ options.code_loc,
+ options.data_loc
+ );
+
+ // Add the standard lib in.
+ if (options.nostdlib == FALSE) {
+ _saprintf(buffer,
+ "-k" SDCC_LIB_DIR "/%s " // Library path
+ "-l%s.lib ", // Library to use
+ portName, portName
+ );
+ }
+
+ // Add in the library paths and libraries
+ for (i = 0; i < nlibFiles; i++) {
+ _saprintf(buffer, "-k%s ", libFiles[i]);
+ }
+ for (i = 0; i < nlibPaths; i++) {
+ _saprintf(buffer, "-l%s ", libPaths[i]);
+ }
+
+ _saprintf(buffer,
+ "-%s " // Output type
+ "%s.%s ", // Output to
+ portOutputType, srcFileName, portExt
+ );
+
+ if (options.nostdlib == FALSE) {
+ _saprintf(buffer,
+ SDCC_LIB_DIR "/%s/crt0.o ", // Link in crt0 first
+ portName
+ );
+ }
+
+ _saprintf(buffer,
+ "%s.o ", // Actual code
+ srcFileName
+ );
+
+ // Append all the other targets
+ for (i = 0; i < nrelFiles; i++) {
+ _saprintf(buffer, "%s ", relFiles[i]);
+ }
+
+ // Do it.
+ if (my_system (buffer)) {
+ exit(1);
+ }
+}
+
+static void
+_z80_link(void)
+{
+ _link("z80", "ihx", "i");
+}
+
+static void
+_gbz80_link(void)
+{
+ _link("gbz80", "gb", "z");
+}
/* Globals */
PORT z80_port =
},
{
_z80_linkCmd,
- NULL,
+ _z80_link,
".o"
},
{
_reset_regparm,
_reg_parm,
_process_pragma,
+ _mangleSupportFunctionName,
TRUE,
0, /* leave lt */
0, /* leave gt */
1, /* transform >= to ! < */
1, /* transform != to !(a == b) */
0, /* leave == */
+ TRUE, /* Array initializer support. */
PORT_MAGIC
};
_gbz80_asmCmd,
"-plosgff", /* Options with debug */
"-plosgff", /* Options without debug */
- 1,
+ 0,
".asm"
},
{
_gbz80_linkCmd,
- NULL,
+ _gbz80_link,
".o"
},
{
_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",
_reset_regparm,
_reg_parm,
_process_pragma,
+ _mangleSupportFunctionName,
TRUE,
0, /* leave lt */
0, /* leave gt */
1, /* transform >= to ! < */
1, /* transform != to !(a == b) */
0, /* leave == */
+ FALSE, /* No array initializer support. */
PORT_MAGIC
};