113 lines
1.9 KiB
C
113 lines
1.9 KiB
C
// The OS/K Team licenses this file to you under the MIT license.
|
|
// See the LICENSE file in the project root for more information.
|
|
|
|
enum
|
|
{
|
|
CD_NONE,
|
|
CD_C,
|
|
CD_O,
|
|
CD_Z,
|
|
CD_S,
|
|
CD_P,
|
|
CD_BE,
|
|
CD_L,
|
|
CD_LE,
|
|
CD_AXZ,
|
|
CD_BXZ,
|
|
CD_CXZ,
|
|
CD_DXZ,
|
|
};
|
|
|
|
enum
|
|
{
|
|
SUFF_LOCK = (1 << 15),
|
|
SUFF_NOMORE = (1 << 14),
|
|
SUFF_COND = (1 << 13),
|
|
SUFF_REP = (1 << 15),
|
|
|
|
Fx_MASK = 0x1F,
|
|
F3_SHIFT = 10,
|
|
F2_SHIFT = 5,
|
|
};
|
|
|
|
enum
|
|
{
|
|
A_NONE = 0b00000,
|
|
A_REG = 0b00001,
|
|
A_IMM64 = 0b00010,
|
|
|
|
AM_START = 0b00100,
|
|
|
|
AM_IMM64 = 0b00,
|
|
AM_RR = 0b01,
|
|
AM_RRI = 0b10,
|
|
AM_RRII = 0b11,
|
|
|
|
AM_8ACC = 0b00100,
|
|
AM_16ACC = 0b01000,
|
|
AM_32ACC = 0b01100,
|
|
AM_64ACC = 0b10000,
|
|
|
|
AM_MLEN_MASK = 0b11100,
|
|
AM_MFMT_MASK = 0b00011,
|
|
};
|
|
|
|
#define ACC_FMT_IS_MEM(x) ((x) >= AM_START && (x) <= (AM_64ACC|AM_RRII))
|
|
|
|
#define ACC_IS_MEM(x) (ACC_FMT_IS_MEM((x)->type))
|
|
|
|
struct acc_t
|
|
{
|
|
uint type;
|
|
ulong val;
|
|
|
|
// A_REG
|
|
ulong reg;
|
|
|
|
// AM_...
|
|
ulong addr;
|
|
uint mlen;
|
|
|
|
// For instruction dumping ONLY
|
|
ushort reg1, reg2;
|
|
short imm1, imm2;
|
|
};
|
|
|
|
enum { NOPRM, P_REG, P_IMM, P_MEM=4 };
|
|
|
|
struct instr_t
|
|
{
|
|
char *name;
|
|
char *full;
|
|
|
|
uint prm1;
|
|
uint prm2;
|
|
uint prm3;
|
|
|
|
uint (*func)(ctx_t *, acc_t *, acc_t *, acc_t *,
|
|
ulong *, ulong *, ulong *);
|
|
};
|
|
|
|
bool eval_cond(ctx_t *ctx, uint cond);
|
|
|
|
void exec_instr(ctx_t *ctx,
|
|
instr_t *in,
|
|
acc_t *p1,
|
|
acc_t *p2,
|
|
acc_t *p3,
|
|
bool lock,
|
|
bool rep);
|
|
|
|
void extract_param(ctx_t *ctx,
|
|
acc_t *p,
|
|
uchar fmt);
|
|
|
|
void dump_instr(ctx_t *ctx,
|
|
instr_t *in,
|
|
acc_t *p1,
|
|
acc_t *p2,
|
|
acc_t *p3,
|
|
bool lock,
|
|
bool rep);
|
|
|