#include "ralloc.h"
#include "gen.h"
-static char _defaultRules[] =
-{
+static char _defaultRules[] = {
#include "peeph.rul"
};
/* list of key words used by msc51 */
-static char *_avr_keywords[] =
-{
- "at",
- "code",
- "critical",
- "eeprom",
- "interrupt",
- "sfr",
- "xdata",
- "_code",
- "_eeprom",
- "_generic",
- "_xdata",
- "sram",
- "_sram",
- "flash",
- "_flash",
- NULL
+static char *_avr_keywords[] = {
+ "at",
+ "code",
+ "critical",
+ "eeprom",
+ "interrupt",
+ "sfr",
+ "xdata",
+ "_code",
+ "_eeprom",
+ "_generic",
+ "_xdata",
+ "sram",
+ "_sram",
+ "flash",
+ "_flash",
+ NULL
};
static int regParmFlg = 0; /* determine if we can register a parameter */
static void
_avr_init (void)
{
- asm_addTree (&asm_gas_mapping);
+ asm_addTree (&asm_asxxxx_mapping);
}
static void
-_avr_reset_regparm ()
+_avr_reset_regparm (void)
{
- regParmFlg = 0;
+ regParmFlg = 0;
}
static int
_avr_regparm (sym_link * l)
{
- /* the first eight bytes will be passed in
- registers r16-r23. but we won't split variables
- i.e. if not enough registers left to hold
- the parameter then the whole parameter along
- with rest of the parameters go onto the stack */
- if (regParmFlg < 8)
- {
- int size;
- if ((size = getSize (l)) > (8 - regParmFlg))
- {
- /* all remaining go on stack */
- regParmFlg = 8;
- return 0;
+ /* the first eight bytes will be passed in
+ registers r16-r23. but we won't split variables
+ i.e. if not enough registers left to hold
+ the parameter then the whole parameter along
+ with rest of the parameters go onto the stack */
+ if (regParmFlg < 8) {
+ int size;
+ if ((size = getSize (l)) > (8 - regParmFlg)) {
+ /* all remaining go on stack */
+ regParmFlg = 8;
+ return 0;
+ }
+ regParmFlg += size;
+ return 1;
}
- regParmFlg += size;
- return 1;
- }
- return 0;
+ return 0;
}
-void avr_assignRegisters (eBBlock ** ebbs, int count);
+void avr_assignRegisters (ebbIndex *);
static bool
_avr_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
_avr_finaliseOptions (void)
{
- port->mem.default_local_map =
- port->mem.default_globl_map = xdata;
- /* change stack to be in far space */
- /* internal stack segment ;
- SFRSPACE - NO
- FAR-SPACE - YES
- PAGED - NO
- DIRECT-ACCESS - NO
- BIT-ACCESS - NO
- CODE-ACESS - NO
- DEBUG-NAME - 'B'
- POINTER-TYPE - FPOINTER
- */
- istack = allocMap (0, 1, 0, 0, 0, 0, options.stack_loc, ISTACK_NAME, 'B', FPOINTER);
-
- /* also change xdata to be direct space since we can use lds/sts */
- xdata->direct = 1;
+ port->mem.default_local_map = port->mem.default_globl_map = xdata;
+ /* change stack to be in far space */
+ /* internal stack segment ;
+ SFRSPACE - NO
+ FAR-SPACE - YES
+ PAGED - NO
+ DIRECT-ACCESS - NO
+ BIT-ACCESS - NO
+ CODE-ACESS - NO
+ DEBUG-NAME - 'B'
+ POINTER-TYPE - FPOINTER
+ */
+ istack =
+ allocMap (0, 1, 0, 0, 0, 0, options.stack_loc, ISTACK_NAME,
+ 'B', FPOINTER);
+
+ /* also change xdata to be direct space since we can use lds/sts */
+ xdata->direct = 1;
}
static void
_avr_setDefaultOptions (void)
{
- options.stackAuto = 1;
+ options.stackAuto = 1;
}
static const char *
_avr_getRegName (struct regs *reg)
{
- if (reg)
- return reg->name;
- return "err";
+ if (reg)
+ return reg->name;
+ return "err";
}
static void
static int
_avr_genIVT (FILE * of, symbol ** interrupts, int maxInterrupts)
{
- return TRUE;
+ return TRUE;
+}
+
+/* Indicate which extended bit operations this port supports */
+static bool
+hasExtBitOp (int op, int size)
+{
+ if (op == RRC
+ || op == RLC
+ || 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;
}
/** $1 is always the basename.
$l is the list of extra options that should be there somewhere...
MUST be terminated with a NULL.
*/
-static const char *_linkCmd[] =
-{
- "avr-ld", "", "$1", NULL
+static const char *_linkCmd[] = {
+ "linkavr", "", "\"$1\"", NULL
};
-static const char *_asmCmd[] =
-{
- "avr-as", "", "$1.asm", NULL
+/* $3 is replaced by assembler.debug_opts resp. port->assembler.plain_opts */
+static const char *_asmCmd[] = {
+ "asavr", "$l" , "$3", "\"$1.s\"", NULL
};
/* Globals */
-PORT avr_port =
-{
- "avr",
- "ATMEL AVR", /* Target name */
- {
- TRUE, /* Emit glue around main */
- MODEL_LARGE | MODEL_SMALL,
- MODEL_SMALL
- },
- {
- _asmCmd,
- "-plosgffc", /* Options with debug */
- "-plosgff", /* Options without debug */
- 0
- },
- {
- _linkCmd,
- NULL,
- ".rel"
- },
- {
- _defaultRules
- },
- {
- /* Sizes: char, short, int, long, ptr, fptr, gptr, bit, float, max */
- 1, 1, 2, 4, 2, 2, 3, 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,
- 0,
- },
- {
- -1, 1, 4, 1, 1, 0
- },
- /* avr has an 8 bit mul */
- {
- 1, 0
- },
- "_",
- _avr_init,
- _avr_parseOptions,
- _avr_finaliseOptions,
- _avr_setDefaultOptions,
- avr_assignRegisters,
- _avr_getRegName,
- _avr_keywords,
- _avr_genAssemblerPreamble,
- _avr_genIVT,
- _avr_reset_regparm,
- _avr_regparm,
- NULL,
- FALSE,
- 0, /* leave lt */
- 1, /* transform gt ==> not le */
- 0, /* leave le */
- 0, /* leave ge */
- 0, /* leave != */
- 0, /* leave == */
- PORT_MAGIC
+PORT avr_port = {
+ TARGET_ID_AVR,
+ "avr",
+ "ATMEL AVR", /* Target name */
+ NULL, /* processor */
+ {
+ glue,
+ TRUE, /* Emit glue around main */
+ MODEL_LARGE | MODEL_SMALL,
+ MODEL_SMALL
+ },
+ {
+ _asmCmd,
+ NULL,
+ "-plosgff", /* Options with debug */
+ "-plosgff", /* Options without debug */
+ 0,
+ ".s",
+ NULL, /* no do_assemble */
+ },
+ {
+ _linkCmd,
+ NULL,
+ NULL,
+ ".rel",
+ 1},
+ {
+ _defaultRules},
+ {
+ /* Sizes: char, short, int, long, ptr, fptr, gptr, bit, float, max */
+ 1, 2, 2, 4, 2, 2, 3, 1, 4, 4},
+ {
+ "XSEG",
+ "STACK",
+ "CSEG",
+ "DSEG",
+ "ISEG",
+ NULL, //PSEG
+ "XSEG",
+ "BSEG",
+ "RSEG",
+ "GSINIT",
+ "OSEG",
+ "GSFINAL",
+ "HOME",
+ NULL, // initialized xdata
+ NULL, // a code copy of xiseg
+ "CONST (CODE)", // const_name - const data (code or not)
+ NULL,
+ NULL,
+ 0,
+ },
+ { NULL, NULL },
+ {
+ -1, 1, 4, 1, 1, 0},
+ /* avr has an 8 bit mul */
+ {
+ 1, -1
+ },
+ {
+ avr_emitDebuggerSymbol
+ },
+ {
+ 255/3, /* 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 */
+ },
+ "_",
+ _avr_init,
+ _avr_parseOptions,
+ NULL,
+ NULL,
+ _avr_finaliseOptions,
+ _avr_setDefaultOptions,
+ avr_assignRegisters,
+ _avr_getRegName,
+ _avr_keywords,
+ _avr_genAssemblerPreamble,
+ NULL, /* no genAssemblerEnd */
+ _avr_genIVT,
+ NULL, // _avr_genXINIT
+ NULL, /* genInitStartup */
+ _avr_reset_regparm,
+ _avr_regparm,
+ NULL,
+ NULL,
+ NULL,
+ hasExtBitOp, /* hasExtBitOp */
+ oclsExpense, /* oclsExpense */
+ FALSE,
+ TRUE, /* little endian */
+ 0, /* leave lt */
+ 1, /* transform gt ==> not le */
+ 0, /* leave le */
+ 0, /* leave ge */
+ 0, /* leave != */
+ 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