/*-------------------------------------------------------------------------
- device.c - Accomodates subtle variations in PIC16 devices
+ device.c - Accomodates subtle variations in PIC16 devices
+
Written By - Scott Dattalo scott@dattalo.com
This program is free software; you can redistribute it and/or modify it
#ifndef __DEVICE_H__
#define __DEVICE_H__
-/* memRange - a structure to define a range of valid memory addresses
- *
- * The Memory of most PICs (and other micros) is a collection of
- * disjoint chunks. The memRange structure will define the start
- * and end address of one of these chunks. The memory map of a
- * particular device is a collection of memRange struct's.
- */
-
-typedef struct memRange {
- int start_address; /* first address in range */
- int end_address; /* last */
- int alias; /* bit mask defining how/if memory range is aliased
- * e.g. alias = 0x80 means start_address is identical
- * to the memory location at (0x80 | start_address) */
- int bank; /* PIC memory bank this range occupies */
-
-} memRange;
-
-/* AssignedMemory - A structure to keep track of the memory that has been used.
- *
- * When a register gets assigned an address this struct is used to
- * keep track of a few details about the register. There is one of
- * these structures for each memory location in the device.
- */
-
-typedef struct AssignedMemory {
- regs *reg; /* Pointer to the register (NULL if this is an invalid address) */
- int instance; /* the i'th byte of a multibyte register */
- int alias; /* Bit mapping of aliased addresses (see memRange) */
- int bank; /* Memory bank of this register */
- int isValid:1; /* True if the address is legal */
- int isSFR:1; /* True if the address is that of a Special Function reg */
- int isEmitted:1; /* True if the register has been written to a cBlock */
-
-} AssignedMemory;
+#define CONFIGURATION_WORDS 20
+#define IDLOCATION_BYTES 20
+typedef struct {
+ unsigned int mask;
+ int emit;
+ unsigned int value;
+ unsigned int andmask;
+} configRegInfo_t;
-/*
- * pic16_finalMapping - Dynamically allocated array that records the register assignments
- */
+typedef struct {
+ int confAddrStart; /* starting address */
+ int confAddrEnd; /* ending address */
+ configRegInfo_t crInfo[ CONFIGURATION_WORDS ];
+} configWordsInfo_t;
-extern AssignedMemory *pic16_finalMapping;
-#define PROCESSOR_NAMES 4
-/* Processor unique attributes */
-typedef struct PIC_device {
- char *name[PROCESSOR_NAMES];/* aliases for the processor name */
+typedef struct {
+ unsigned char emit;
+ unsigned char value;
+} idRegInfo_t;
- memRange *ram; /* RAM memory map */
- memRange *sfr; /* SFR memory map */
+typedef struct {
+ int idAddrStart; /* starting ID address */
+ int idAddrEnd; /* ending ID address */
+ idRegInfo_t irInfo[ IDLOCATION_BYTES ];
+} idBytesInfo_t;
- int maxRAMaddress; /* maximum value for a data address */
- int bankMask; /* Bitmask that is ANDed with address to extract banking bits */
- // int hasAliasedRAM:1; /* True if there are bank independent registers */
-} PIC_device;
+#define PROCESSOR_NAMES 4
+/* Processor unique attributes */
+typedef struct PIC16_device {
+ char *name[PROCESSOR_NAMES]; /* aliases for the processor name */
+ /* RAMsize *must* be the first item to copy for 'using' */
+ int RAMsize; /* size of Data RAM - VR 031120 */
+ int acsSplitOfs; /* access bank split offset */
+ configWordsInfo_t cwInfo; /* configuration words info */
+ idBytesInfo_t idInfo; /* ID Locations info */
+ /* next *must* be the first field NOT being copied via 'using' */
+ struct PIC16_device *next; /* linked list */
+} PIC16_device;
+
+extern PIC16_device *pic16;
/* Given a pointer to a register, this macro returns the bank that it is in */
#define REG_ADDR(r) ((r)->isBitField ? (((r)->address)>>3) : (r)->address)
-#define REG_BANK(r) (pic16_finalMapping[REG_ADDR(r)].bank)
-#define REG_isALIASED(r) (pic16_finalMapping[REG_ADDR(r)].alias != 0)
-#define REG_isVALID(r) (pic16_finalMapping[REG_ADDR(r)].isValid)
+#define OF_LR_SUPPORT 0x00000001
+#define OF_NO_OPTIMIZE_GOTO 0x00000002
+#define OF_OPTIMIZE_CMP 0x00000004
+#define OF_OPTIMIZE_DF 0x00000008
+
+typedef struct {
+ int no_banksel;
+ int opt_banksel;
+ int omit_configw;
+ int omit_ivt;
+ int leave_reset;
+ int stack_model;
+ int ivt_loc;
+ int nodefaultlibs;
+ int dumpcalltree;
+ char *crt_name;
+ int no_crt;
+ int ip_stack;
+ unsigned long opt_flags;
+ int gstack;
+ unsigned int debgen;
+ int xinst;
+} pic16_options_t;
+
+extern pic16_options_t pic16_options;
+
+#define STACK_MODEL_SMALL (pic16_options.stack_model == 0)
+#define STACK_MODEL_LARGE (pic16_options.stack_model == 1)
+
+extern set *fix_idataSymSet;
+extern set *rel_idataSymSet;
+
+#if 0
+/* This is an experimental code for #pragma inline
+ and is temporarily disabled for 2.5.0 release */
+extern set *asmInlineMap;
+#endif /* 0 */
+
+typedef struct {
+ unsigned long isize;
+ unsigned long adsize;
+ unsigned long udsize;
+ unsigned long idsize;
+ unsigned long intsize;
+} stats_t;
+
+extern stats_t statistics;
/****************************************/
-void pic16_assignConfigWordValue(int address, int value);
-int pic16_getConfigWord(int address);
+void pic16_assignConfigWordValue(int address, unsigned int value);
+void pic16_assignIdByteValue(int address, char value);
int pic16_isREGinBank(regs *reg, int bank);
int pic16_REGallBanks(regs *reg);
-void pic16_addMemRange(memRange *r, int type);
-void pic16_setMaxRAM(int size);
+
+int checkAddReg(set **set, regs *reg);
+int checkAddSym(set **set, symbol *reg);
+int checkSym(set *set, symbol *reg);
#endif /* __DEVICE_H__ */
+
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