/** @file izt/i186.c
- i186 specific general functions.
+ i186 specific general functions.
*/
#include "izt.h"
+static REG _i186_otherRegs[] = {
+ { 1, REG_ID_AL, "al", 0, { REG_ID_AX, REG_ID_NONE, REG_ID_NONE } },
+ { 1, REG_ID_AH, "ah", 0, { REG_ID_AX, REG_ID_NONE, REG_ID_NONE } },
+ { 2, REG_ID_AX, "ax", 0, { REG_ID_AL, REG_ID_AH, REG_ID_NONE } },
+ { 1, REG_ID_BL, "bl", 0, { REG_ID_BX, REG_ID_NONE, REG_ID_NONE } },
+ { 1, REG_ID_BH, "bh", 0, { REG_ID_BX, REG_ID_NONE, REG_ID_NONE } },
+ { 2, REG_ID_BX, "bx", 0, { REG_ID_BL, REG_ID_BH, REG_ID_NONE } },
+ { 2, REG_ID_BP, "bp", 0, { REG_ID_NONE, REG_ID_NONE, REG_ID_NONE } },
+ { 0, REG_ID_NONE,"??", 0, { REG_ID_NONE, REG_ID_NONE, REG_ID_NONE } }
+};
+
static REG _i186_regs[] = {
- { 1, REG_ID_CL, "cl", 0, { REG_ID_CX, REG_ID_NONE, REG_ID_NONE } },
- { 1, REG_ID_CH, "ch", 0, { REG_ID_CX, REG_ID_NONE, REG_ID_NONE } },
- { 1, REG_ID_DL, "dl", 0, { REG_ID_DX, REG_ID_NONE, REG_ID_NONE } },
- { 1, REG_ID_DH, "dh", 0, { REG_ID_DX, REG_ID_NONE, REG_ID_NONE } },
- { 2, REG_ID_CX, "cx", 0, { REG_ID_CL, REG_ID_CH, REG_ID_NONE } },
- { 2, REG_ID_DX, "dx", 0, { REG_ID_DL, REG_ID_DH, REG_ID_NONE } },
- { 0, REG_ID_NONE,"??", 0, { REG_ID_NONE, REG_ID_NONE, REG_ID_NONE } }
+ { 1, REG_ID_CL, "cl", 0, { REG_ID_CX, REG_ID_NONE, REG_ID_NONE } },
+ { 1, REG_ID_CH, "ch", 0, { REG_ID_CX, REG_ID_NONE, REG_ID_NONE } },
+ { 1, REG_ID_DL, "dl", 0, { REG_ID_DX, REG_ID_NONE, REG_ID_NONE } },
+ { 1, REG_ID_DH, "dh", 0, { REG_ID_DX, REG_ID_NONE, REG_ID_NONE } },
+ { 2, REG_ID_CX, "cx", 0, { REG_ID_CL, REG_ID_CH, REG_ID_NONE } },
+ { 2, REG_ID_DX, "dx", 0, { REG_ID_DL, REG_ID_DH, REG_ID_NONE } },
+ { 0, REG_ID_NONE,"??", 0, { REG_ID_NONE, REG_ID_NONE, REG_ID_NONE } }
};
static IZT_PORT _i186_port = {
- _i186_regs
+ _i186_regs,
+ { _i186_otherRegs + 0, _i186_otherRegs + 1, _i186_otherRegs + 2 },
+ _i186_otherRegs + 5,
+ _i186_otherRegs + 6
};
static char _defaultRules[] =
{
- //#include "peeph.rul"
+ //#include "peeph.rul"
+ ""
};
/* list of key words used by i186 */
-static char *_i186_keywords[] = {
- NULL
-};
-
-// PENDING: A default set of mappings to make asm.c happy.
-static const ASM_MAPPING _asxxxx_z80_mapping[] = {
- /* We want to prepend the _ */
- { "area", ".area _%s" },
- { "areacode", ".area _%s" },
- { "areadata", ".area _%s" },
- { "areahome", ".area _%s" },
- { "*ixx", "%d(ix)" },
- { "*iyx", "%d(iy)" },
- { "*hl", "(hl)" },
- { "di", "di" },
- { "ldahli",
- "ld a,(hl)\n"
- "\tinc\thl" },
- { "ldahlsp",
- "ld hl,#%d\n"
- "\tadd\thl,sp" },
- { "ldaspsp",
- "ld hl,#%d\n"
- "\tadd\thl,sp\n"
- "\tld\tsp,hl" },
- { "*pair", "(%s)" },
- { "shortjp", "jp" },
- { "enter",
- "push\tix\n"
- "\tld\tix,#0\n"
- "\tadd\tix,sp" },
- { "enterx",
- "push\tix\n"
- "\tld\tix,#0\n"
- "\tadd\tix,sp\n"
- "\tld\thl,#-%d\n"
- "\tadd\thl,sp\n"
- "\tld\tsp,hl" },
- { "leave",
- "pop\tix\n"
- },
- { "leavex",
- "ld sp,ix\n"
- "\tpop\tix\n"
- },
- { "pusha",
- "push af\n"
- "\tpush\tbc\n"
- "\tpush\tde\n"
- "\tpush\thl"
- },
- { "adjustsp", "lda sp,-%d(sp)" },
- { NULL, NULL }
+static char *_i186_keywords[] =
+{
+ NULL
};
-static const ASM_MAPPINGS _asxxxx_z80 = {
- &asm_asxxxx_mapping,
- _asxxxx_z80_mapping
-};
+#include "i186_mappings.i"
-static void _i186_init(void)
+static void
+_i186_init (void)
{
- asm_addTree(&asm_asxxxx_mapping);
- asm_addTree(&_asxxxx_z80);
- izt_init(&_i186_port);
+ asm_addTree(&_as86_i186_mappings);
+ izt_init(&_i186_port);
}
-static void _i186_reset_regparm()
+static void
+_i186_reset_regparm ()
{
}
-static int _i186_regparm( sym_link *l)
+static int
+_i186_regparm (sym_link * l)
{
- // PENDING: No register parameters.
- return 0;
+ // PENDING: No register parameters.
+ return 0;
}
-static bool _i186_parseOptions(int *pargc, char **argv, int *i)
+static bool
+_i186_parseOptions (int *pargc, char **argv, int *i)
{
- /* TODO: allow port-specific command line options to specify
- * segment names here.
- */
- return FALSE;
+ /* TODO: allow port-specific command line options to specify
+ * segment names here.
+ */
+ return FALSE;
}
-static void _i186_finaliseOptions(void)
+static void
+_i186_finaliseOptions (void)
{
- // No options
+ // No options
}
-static void _i186_setDefaultOptions(void)
+static void
+_i186_setDefaultOptions (void)
{
- // No options
+ // No options
}
-static const char *_i186_getRegName(struct regs *reg)
+static const char *
+_i186_getRegName (struct regs *reg)
{
- if (reg)
+ if (reg)
return reg->name;
- wassert(0);
- return "err";
+ wassert (0);
+ return "err";
}
-static void _i186_genAssemblerPreamble(FILE *of)
+static void
+_i186_genAssemblerPreamble (FILE * of)
{
- // PENDING
+ // PENDING
}
/* Generate interrupt vector table. */
-static int _i186_genIVT(FILE *of, symbol **interrupts, int maxInterrupts)
+static int
+_i186_genIVT (FILE * of, symbol ** interrupts, int maxInterrupts)
{
- // PENDING
- return 0;
+ // PENDING
+ return 0;
}
/** $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.
+ $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.
*/
// PENDING
-static const char *_linkCmd[] = {
- "aslink", "-nf", "$1", NULL
+static const char *_linkCmd[] =
+{
+ "aslink", "-nf", "$1", NULL
};
// PENDING
-static const char *_asmCmd[] = {
- "gpasm", NULL, NULL, NULL
+static const char *_asmCmd[] =
+{
+ "gpasm", NULL, NULL, NULL
};
-void i186_assignRegisters (eBBlock **ebbs, int count)
+void
+i186_assignRegisters (eBBlock ** ebbs, int count)
{
}
/* Globals */
PORT i186_port = {
+ TARGET_ID_I186,
"i186",
- "Intel 8086/80186", /* Target name */
+ "Intel 80186", /* Target name */
+ NULL,
{
- FALSE, /* Emit glue around main */
- MODEL_SMALL,
- MODEL_SMALL
+ glue,
+ FALSE, /* Emit glue around main */
+ MODEL_SMALL,
+ MODEL_SMALL
},
- {
- _asmCmd,
- NULL,
- NULL,
- 0
+ {
+ _asmCmd,
+ NULL,
+ NULL,
+ NULL,
+ 0,
+ ".s",
+ NULL /* no do_assemble function */
},
{
- _linkCmd,
- NULL,
- ".o"
+ _linkCmd,
+ NULL,
+ NULL,
+ ".o"
},
{
- _defaultRules
+ _defaultRules
},
{
- /* Sizes: char, short, int, long, ptr, fptr, gptr, bit, float, max */
- 1, 2, 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
},
+ /* tags for generic pointers */
+ { 0x00, 0x40, 0x60, 0x80 }, /* far, near, xstack, code */
+
{
- "XSEG (XDATA)",
- "STACK (DATA)",
- "CSEG (CODE)",
- "DSEG (DATA)",
- "ISEG (DATA)",
- "XSEG (XDATA)",
- "BSEG (BIT)",
- "RSEG (DATA)",
- "GSINIT (CODE)",
- "OSEG (OVR,DATA)",
- "GSFINAL (CODE)",
- "HOME (CODE)",
- NULL,
- NULL,
- 1
+ ".BSS",
+ ".BSS",
+ ".TEXT",
+ ".DATA",
+ ".DATA",
+ ".DATA",
+ ".DATA",
+ ".DATA",
+ ".TEXT",
+ ".DATA",
+ ".TEXT",
+ ".TEXT",
+ NULL, // xidata
+ NULL, // xinit
+ NULL,
+ NULL,
+ 1
},
{
- +1, 1, 4, 1, 1, 0
+ +1, 1, 4, 1, 1, 0
},
/* i186 has an 16 bit mul */
{
- 2, 0
+ 2, 0
},
"_",
_i186_init,
_i186_parseOptions,
+ NULL,
_i186_finaliseOptions,
_i186_setDefaultOptions,
izt_assignRegisters,
_i186_getRegName ,
_i186_keywords,
_i186_genAssemblerPreamble,
+ NULL, /* no genAssemblerEnd */
_i186_genIVT ,
+ NULL, // _i186_genXINIT
_i186_reset_regparm,
_i186_regparm,
NULL,
+ NULL,
+ NULL,
FALSE,
+ TRUE, /* little endian */
0, /* leave lt */
0, /* leave gt */
1, /* transform <= to ! > */
1, /* transform >= to ! < */
1, /* transform != to !(a == b) */
0, /* leave == */
+ FALSE, /* No array initializer support. */
+ 0, /* no CSE cost estimation yet */
+ NULL, /* no builtin functions */
+ GPOINTER, /* treat unqualified pointers as "generic" pointers */
+ 1, /* reset labelKey to 1 */
+ 1, /* globals & local static allowed */
PORT_MAGIC
};
projects / fw / sdcc / blobdiff