/* memory header file.
Copyright 1998-2005
James Bowman, Scott Dattalo
Copyright 2014-2016 Molnár Károly
*/
#pragma once
#define MAX_RAM 0x2000 /* Maximum RAM. */
#define MAX_C_MEM 0x100 /* Maximum configuration memory (only a few bytes are used). */
/* Choose bases such that each base has different hex 04 record. */
#define I_MEM_BITS 16 /* MemBlock base bit alignment. */
#define I_MEM_MAX (1 << I_MEM_BITS) /* MemBlock base alignment. */
#define I_MEM_MASK (I_MEM_MAX - 1)
#define I_BASE_MASK I_MEM_MASK
#define IMemAddrFromBase(Base) ((Base) << I_MEM_BITS)
#define IMemBaseFromAddr(Addr) (((Addr) >> I_MEM_BITS) & I_BASE_MASK)
#define IMemOffsFromAddr(Addr) ((Addr) & I_MEM_MASK)
#define W_USED_H (1 << 1) /* Used top half of the word. */
#define W_USED_L (1 << 0) /* Used bottom half of the word. */
#define W_USED_ALL (W_USED_H | W_USED_L)
struct proc_class;
/* See beginning of gpmemory.c for documentation. */
struct MemArg_t {
const char *arg;
int val, /* The value of the first argument. */
offs; /* If the argument is area then this the offset of the address. */
};
struct MemArgList_t {
MemArg_t first,second;
};
#define W_ADDR_T_BRANCH_SRC (1 << 8) /* Source of a branch there is at this address. */
#define W_ADDR_T_LABEL (1 << 9) /* A label there is at this address. */
#define W_ADDR_T_FUNC (1 << 10) /* A function starts at this address. */
#define W_ADDR_T_MASK (W_ADDR_T_FUNC | W_ADDR_T_LABEL | W_ADDR_T_BRANCH_SRC)
#define W_ARG_T_FIRST (1 << 11) /* The first argumentum of instruction a known register. */
#define W_ARG_T_SECOND (1 << 12) /* The second argumentum of instruction a known register. */
#define W_ARG_T_BOTH (W_ARG_T_FIRST | W_ARG_T_SECOND) /* Both argumentum of instruction a known register or bit. */
#define W_ARG_T_MASK W_ARG_T_BOTH
#define W_SECOND_WORD (1 << 13) /* PIC16E family, second word of 32 bits instruction. (movff, ...) */
#define W_CONST_DATA (1 << 14) /* Data in the code area. */
#define BYTE_LISTED_MASK (1 << 15) /* Means already listed. */
#define BYTE_USED_MASK (1 << 16) /* Means occupied in MemBlock.memory.data. */
#define BYTE_ATTR_MASK (BYTE_USED_MASK | BYTE_LISTED_MASK)
#define W_TYPE_MASK ((UINT_MAX << 8) & UINT_MAX)
typedef union __attribute__ ((packed)) MemData {
unsigned all;
struct __attribute__ ((packed)) {
unsigned byte : 8; /* [0-7] The data byte. */
unsigned is_addr_branch_src: 1; /* [ 8] W_ADDR_T_BRANCH_SRC */
unsigned is_addr_label : 1; /* [ 9] W_ADDR_T_LABEL */
unsigned is_addr_func : 1; /* [10] W_ADDR_T_FUNC */
unsigned is_arg_first : 1; /* [11] W_ARG_T_FIRST */
unsigned is_arg_second : 1; /* [12] W_ARG_T_SECOND */
unsigned is_second_word : 1; /* [13] W_SECOND_WORD */
unsigned is_const_data : 1; /* [14] W_CONST_DATA */
unsigned is_byte_listed : 1; /* [15] BYTE_LISTED_MASK */
unsigned is_byte_used : 1; /* [16] BYTE_USED_MASK */
};
struct __attribute__ ((packed)) {
unsigned : 8;
unsigned addr_t: 3;
unsigned arg_t : 2;
unsigned : 2;
unsigned attr_t: 2;
};
struct __attribute__ ((packed)) {
unsigned : 8;
unsigned all_attr: 24;
};
} MemData_t;
typedef struct MemByte {
MemData_t data;
char *section_name;
char *symbol_name;
unsigned dest_byte_addr;
MemArgList_t args;
} MemByte_t;
typedef struct MemBlock {
unsigned base;
MemByte_t *memory;
struct MemBlock *next;
} MemBlock_t;
FUNC(MemBlock_t*) gp_mem_i_create(void);
FUNC(void) gp_mem_i_free(MemBlock_t *M);
FUNC(bool) gp_mem_b_is_used(MemBlock_t *M, unsigned Byte_address);
FUNC(bool) gp_mem_b_offset_is_used(MemBlock_t *M, unsigned Byte_offset);
FUNC(bool) gp_mem_b_get(const MemBlock_t *M, unsigned Byte_address, uint8_t *Byte,
const char **Section_name, const char **Symbol_name);
#ifndef NDEBUG
#define gp_mem_b_assert_get(M, Byte_address, Byte, Section_name, Symbol_name) \
assert(gp_mem_b_get(M, Byte_address, Byte, Section_name, Symbol_name) != 0)
#else
#define gp_mem_b_assert_get(M, Byte_address, Byte, Section_name, Symbol_name) \
gp_mem_b_get(M, Byte_address, Byte, Section_name, Symbol_name)
#endif
FUNC(void) gp_mem_b_put(MemBlock_t *M, unsigned Byte_address, uint8_t Value,
const char *Section_name, const char *Symbol_name);
FUNC(void) gp_mem_b_clear(MemBlock_t *M, unsigned Byte_address);
FUNC(void) gp_mem_b_move(MemBlock_t *M, unsigned From_byte_address, unsigned To_byte_address,
unsigned Byte_size);
FUNC(void) gp_mem_b_delete(MemBlock_t *M, unsigned Byte_address);
FUNC(void) gp_mem_b_delete_area(MemBlock_t *M, unsigned Byte_address, unsigned Byte_number);
FUNC(unsigned) b_range_memory_used(const MemBlock_t *M, unsigned From_byte_address,
unsigned To_byte_address);
FUNC(unsigned) gp_mem_b_used(const MemBlock_t *M);
struct px;
FUNC(void) gp_mem_i_print(const MemBlock_t *M, const struct px *Processor);
FUNC(unsigned) gp_mem_i_offset_is_used_le(MemBlock_t *M, unsigned Byte_offset);
extern unsigned gp_mem_i_get_le(const MemBlock_t *M, unsigned Byte_address, uint16_t *Word,
const char **Section_name, const char **Symbol_name);
extern unsigned gp_mem_i_offset_is_used_be(MemBlock_t *M, unsigned Byte_offset);
extern unsigned gp_mem_i_get_be(const MemBlock_t *M, unsigned Byte_address, uint16_t *Word,
const char **Section_name, const char **Symbol_name);
extern void gp_mem_i_put_le(MemBlock_t *M, unsigned Byte_address, unsigned Word,
const char *Section_name, const char *Symbol_name);
extern void gp_mem_i_put_be(MemBlock_t *M, unsigned Byte_address, unsigned Word,
const char *Section_name, const char *Symbol_name);
extern void gp_mem_i_delete(MemBlock_t *M, unsigned Byte_address);
FUNC(void) gp_mem_b_set_listed(MemBlock_t *M, unsigned Byte_address, unsigned N_bytes);
FUNC(unsigned) gp_mem_b_get_unlisted_size(const MemBlock_t *M, unsigned Byte_address);
FUNC(bool) gp_mem_b_set_addr_type(MemBlock_t *M, unsigned Byte_address, unsigned Type,
unsigned Dest_byte_addr);
FUNC(unsigned) gp_mem_b_get_addr_type(const MemBlock_t *M, unsigned Byte_address,
const char **Label_name, unsigned *Dest_byte_addr);
FUNC(bool) gp_mem_b_set_addr_name(MemBlock_t *M, unsigned Byte_address, const char *Name);
extern bool gp_mem_b_set_args(MemBlock_t *M, unsigned Byte_address, unsigned Type,
const MemArgList_t *Args);
extern unsigned gp_mem_b_get_args(const MemBlock_t *M, unsigned Byte_address, MemArgList_t *Args);
FUNC(bool) gp_mem_b_set_type(MemBlock_t *M, unsigned Byte_address, unsigned Type);
extern bool gp_mem_b_clear_type(MemBlock_t *M, unsigned Byte_address, unsigned Type);
FUNC(unsigned) gp_mem_b_get_type(const MemBlock_t *M, unsigned Byte_address);
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