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#ifndef BCM43xx_ASM_MAIN_H_
#define BCM43xx_ASM_MAIN_H_

#include <stdint.h>

#include "list.h"
#include "util.h"


/* The header that fwcutter also puts in to every .fw file */
struct fw_header {
        /* Type of the firmware data */
        uint8_t type;
        /* Version number of the firmware data format */
        uint8_t ver;
        uint8_t __padding[2];
        /* Size of the data. For ucode and PCM this is in bytes.
         * For IV this is in number-of-ivs. (big-endian!) */
        be32_t size;
} __attribute__ ((__packed__));

/* struct fw_header -> type */
#define FW_TYPE_UCODE   'u'
#define FW_TYPE_PCM     'p'
#define FW_TYPE_IV      'i'
/* struct fw_header -> ver */
#define FW_HDR_VER      0x01


/* Maximum number of allowed instructions in the code output.
 * This is what device memory can hold at maximum.
 */
#define NUM_INSN_LIMIT_R5       4096


struct lineinfo {
        char file[64];
        char linecopy[128];
        unsigned int lineno;
        unsigned int column;
};
extern struct lineinfo cur_lineinfo;


struct immediate {
        unsigned int imm;
};

struct address {
        unsigned int addr;
};

struct registr {
        int type; /* SPR, GPR or OFFR */
        unsigned int nr;
};

struct memory {
        enum {
                MEM_DIRECT,
                MEM_INDIRECT,
        } type;
        /* Offset immediate */
        unsigned int offset;
        /* Offset Register number (only MEM_INDIRECT) */
        unsigned int offr_nr;
};

struct label {
        const char *name;

        /* direction is only used for label references. */
        enum {
                LABELREF_ABSOLUTE,
                LABELREF_RELATIVE_BACK,
                LABELREF_RELATIVE_FORWARD,
        } direction;
};

struct operand {
        enum {
                OPER_IMM,
                OPER_REG,
                OPER_MEM,
                OPER_LABEL,
                OPER_ADDR,
                OPER_RAW,
        } type;
        union {
                struct immediate *imm;
                struct registr *reg;
                struct memory *mem;
                struct label *label;
                struct address *addr;
                unsigned int raw;
        } u;
};

struct operand_shift_mask {
        struct operand *op;
        unsigned int mask;
        unsigned int shift;
};

struct operlist {
        struct operand *oper[7];
};

struct instruction {
        int op;
        struct operlist *operands;
        unsigned int opcode; /* only for RAW */
};

struct asmdir {
        enum {
                ADIR_ARCH,
                ADIR_START,
        } type;
        union {
                unsigned int arch;
                struct label *start;
        } u;
};

struct statement {
        enum {
                STMT_INSN,
                STMT_LABEL,
                STMT_ASMDIR,
        } type;
        union {
                struct instruction *insn;
                struct label *label;
                struct asmdir *asmdir;
        } u;
        struct lineinfo info;

        struct list_head list;
};


struct file {
        /* The (microcode) statement list */
        struct list_head sl;
        /* The initvals sections list */
        struct list_head ivals;
        /* The file descriptor */
        int fd;
};


extern struct file infile;
extern const char *infile_name;
extern const char *outfile_name;

#endif /* BCM43xx_ASM_MAIN_H_ */