/** @file izt/i186.c
- i186 specific general functions.
+ i186 specific general functions.
*/
#include "izt.h"
-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}}
+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 } }
};
-static IZT_PORT _i186_port =
-{
- _i186_regs
+static IZT_PORT _i186_port = {
+ _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 */
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 const ASM_MAPPINGS _asxxxx_z80 =
-{
- &asm_asxxxx_mapping,
- _asxxxx_z80_mapping
-};
+#include "i186_mappings.i"
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_getRegName (struct regs *reg)
{
if (reg)
- return reg->name;
+ return reg->name;
wassert (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.
+ $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[] =
}
/* Globals */
-PORT i186_port =
-{
- "i186",
- "Intel 8086/80186", /* Target name */
- {
- FALSE, /* Emit glue around main */
- MODEL_SMALL,
- MODEL_SMALL
- },
- {
- _asmCmd,
+PORT i186_port = {
+ TARGET_ID_I186,
+ "i186",
+ "Intel 80186", /* Target name */
NULL,
+ {
+ glue,
+ FALSE, /* Emit glue around main */
+ MODEL_SMALL,
+ MODEL_SMALL
+ },
+ {
+ _asmCmd,
+ NULL,
+ NULL,
+ NULL,
+ 0,
+ ".s",
+ NULL /* no do_assemble function */
+ },
+ {
+ _linkCmd,
+ NULL,
+ NULL,
+ ".o"
+ },
+ {
+ _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 */
+
+ {
+ ".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
+ },
+ /* i186 has an 16 bit mul */
+ {
+ 2, 0
+ },
+ "_",
+ _i186_init,
+ _i186_parseOptions,
NULL,
- 0
- },
- {
- _linkCmd,
+ _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,
- ".o"
- },
- {
- _defaultRules
- },
- {
- /* Sizes: char, short, int, long, ptr, fptr, gptr, bit, float, max */
- 1, 2, 2, 4, 2, 2, 2, 1, 4, 4
- },
- {
- "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
- },
- {
- +1, 1, 4, 1, 1, 0
- },
- /* i186 has an 16 bit mul */
- {
- 2, 0
- },
- "_",
- _i186_init,
- _i186_parseOptions,
- _i186_finaliseOptions,
- _i186_setDefaultOptions,
- izt_assignRegisters,
- _i186_getRegName,
- _i186_keywords,
- _i186_genAssemblerPreamble,
- _i186_genIVT,
- _i186_reset_regparm,
- _i186_regparm,
- NULL,
- FALSE,
- 0, /* leave lt */
- 0, /* leave gt */
- 1, /* transform <= to ! > */
- 1, /* transform >= to ! < */
- 1, /* transform != to !(a == b) */
- 0, /* leave == */
- PORT_MAGIC
+ 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