265 lines
9.6 KiB
C
265 lines
9.6 KiB
C
/*
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** cpu.h PowerPC cpu-description header-file
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** (c) in 2002,2006,2011-2016 by Frank Wille
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*/
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extern int ppc_endianess;
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#define BIGENDIAN (ppc_endianess)
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#define LITTLEENDIAN (!ppc_endianess)
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#define VASM_CPU_PPC 1
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#define MNEMOHTABSIZE 0x18000
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/* maximum number of operands for one mnemonic */
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#define MAX_OPERANDS 5
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/* maximum number of mnemonic-qualifiers per mnemonic */
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#define MAX_QUALIFIERS 0
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/* data type to represent a target-address */
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typedef int64_t taddr;
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typedef uint64_t utaddr;
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/* minimum instruction alignment */
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#define INST_ALIGN 4
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/* default alignment for n-bit data */
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#define DATA_ALIGN(n) ppc_data_align(n)
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/* operand class for n-bit data definitions */
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#define DATA_OPERAND(n) ppc_data_operand(n)
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/* returns true when instruction is valid for selected cpu */
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#define MNEMONIC_VALID(i) ppc_available(i)
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/* returns true when operand type is optional; may init default operand */
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#define OPERAND_OPTIONAL(p,t) ppc_operand_optional(p,t)
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/* special data operand types: */
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#define OP_D8 0x1001
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#define OP_D16 0x1002
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#define OP_D32 0x1003
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#define OP_D64 0x1004
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#define OP_F32 0x1005
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#define OP_F64 0x1006
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#define OP_DATA(t) (t >= OP_D8)
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#define OP_FLOAT(t) (t >= OP_F32)
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/* PPC specific relocations */
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#define REL_PPCEABI_SDA2 (LAST_STANDARD_RELOC+1)
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#define REL_PPCEABI_SDA21 (LAST_STANDARD_RELOC+2)
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#define REL_PPCEABI_SDAI16 (LAST_STANDARD_RELOC+3)
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#define REL_PPCEABI_SDA2I16 (LAST_STANDARD_RELOC+4)
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#define REL_MORPHOS_DREL (LAST_STANDARD_RELOC+5)
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#define REL_AMIGAOS_BREL (LAST_STANDARD_RELOC+6)
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#define LAST_PPC_RELOC (LAST_STANDARD_RELOC+6)
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/* type to store each operand */
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typedef struct {
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int16_t type;
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unsigned char attr; /* reloc attribute != REL_NONE when present */
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unsigned char mode; /* @l/h/ha */
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expr *value;
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expr *basereg; /* only for d(Rn) load/store addressing mode */
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} operand;
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/* operand modifier */
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#define OPM_NONE 0
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#define OPM_LO 1 /* low 16 bits */
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#define OPM_HI 2 /* high 16 bits */
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#define OPM_HA 3 /* high 16 bits with addi compensation */
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/* additional mnemonic data */
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typedef struct {
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uint64_t available;
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uint32_t opcode;
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} mnemonic_extension;
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/* Values defined for the 'available' field of mnemonic_extension. */
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#define CPU_TYPE_PPC (1ULL)
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#define CPU_TYPE_POWER (2ULL)
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#define CPU_TYPE_POWER2 (4ULL)
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#define CPU_TYPE_601 (8ULL)
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#define CPU_TYPE_COMMON (0x10ULL)
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#define CPU_TYPE_ALTIVEC (0x20ULL)
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#define CPU_TYPE_403 (0x40ULL)
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#define CPU_TYPE_405 (0x80ULL)
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#define CPU_TYPE_440 (0x100ULL)
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#define CPU_TYPE_476 (0x200ULL)
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#define CPU_TYPE_BOOKE (0x400ULL)
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#define CPU_TYPE_E300 (0x800ULL)
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#define CPU_TYPE_E500 (0x1000ULL)
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#define CPU_TYPE_VLE (0x2000ULL)
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#define CPU_TYPE_E500MC (0x4000ULL)
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#define CPU_TYPE_750 (0x8000ULL)
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#define CPU_TYPE_7450 (0x10000ULL)
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#define CPU_TYPE_ISEL (0x20000ULL)
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#define CPU_TYPE_RFMCI (0x40000ULL)
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#define CPU_TYPE_PMR (0x80000ULL)
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#define CPU_TYPE_TMR (0x100000ULL)
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#define CPU_TYPE_SPE (0x200000ULL)
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#define CPU_TYPE_EFS (0x400000ULL)
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#define CPU_TYPE_860 (0x800000ULL)
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#define CPU_TYPE_ANY (0x1000000000000000ULL)
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#define CPU_TYPE_64_BRIDGE (0x2000000000000000ULL)
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#define CPU_TYPE_32 (0x4000000000000000ULL)
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#define CPU_TYPE_64 (0x8000000000000000ULL)
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/* Shortcuts for PPC instruction sets */
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#undef PPC
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#define PPC CPU_TYPE_PPC
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#define PPCCOM (CPU_TYPE_PPC | CPU_TYPE_COMMON)
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#define PPC32 (CPU_TYPE_PPC | CPU_TYPE_32)
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#define PPC64 (CPU_TYPE_PPC | CPU_TYPE_64)
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#define PPCONLY CPU_TYPE_PPC
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#define PPC403 CPU_TYPE_403
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#define PPC405 CPU_TYPE_405
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#define PPC440 CPU_TYPE_440
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#define PPC750 PPC
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#define PPC860 CPU_TYPE_860
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#define AVEC CPU_TYPE_ALTIVEC
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#define BOOKE CPU_TYPE_BOOKE
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#define E300 CPU_TYPE_E300
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#define E500 CPU_TYPE_E500
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#define E500MC CPU_TYPE_E500MC
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#define RFMCI CPU_TYPE_RFMCI
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#define ISEL (CPU_TYPE_ISEL | CPU_TYPE_VLE)
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#define SPE (CPU_TYPE_SPE | CPU_TYPE_VLE)
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#define EFS (CPU_TYPE_EFS | CPU_TYPE_VLE)
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#define PPCPMR CPU_TYPE_PMR
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#define PPC43 (CPU_TYPE_403 | CPU_TYPE_440)
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#define PPC45 (CPU_TYPE_405 | CPU_TYPE_440)
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#define BE3403 (CPU_TYPE_403 | CPU_TYPE_476 | CPU_TYPE_E300 | CPU_TYPE_BOOKE)
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#define BE403 (CPU_TYPE_403 | CPU_TYPE_476 | CPU_TYPE_BOOKE)
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#define BE476 (CPU_TYPE_476 | CPU_TYPE_BOOKE)
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#define VLCOM (CPU_TYPE_PPC | CPU_TYPE_COMMON | CPU_TYPE_VLE)
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#define RFMC476 (CPU_TYPE_RFMCI | CPU_TYPE_476)
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#define VLRFMCI (CPU_TYPE_RFMCI | CPU_TYPE_VLE)
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#define VLBE403 (CPU_TYPE_403 | CPU_TYPE_476 | CPU_TYPE_BOOKE | CPU_TYPE_VLE)
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#define VLBE405 (CPU_TYPE_405 | CPU_TYPE_BOOKE | CPU_TYPE_VLE)
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#define VL43 (CPU_TYPE_403 | CPU_TYPE_440 | CPU_TYPE_VLE)
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#define VL45 (CPU_TYPE_405 | CPU_TYPE_440 | CPU_TYPE_VLE)
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#define VL4376 (CPU_TYPE_403 | CPU_TYPE_440 | CPU_TYPE_476 | CPU_TYPE_VLE)
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#define VLBE (CPU_TYPE_BOOKE | CPU_TYPE_VLE)
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#define VLBE476 (CPU_TYPE_476 | CPU_TYPE_BOOKE | CPU_TYPE_VLE)
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#define VLBE3 (CPU_TYPE_476 | CPU_TYPE_E300 | CPU_TYPE_BOOKE | CPU_TYPE_VLE)
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#define VL7450 (CPU_TYPE_405 | CPU_TYPE_476 | CPU_TYPE_BOOKE | CPU_TYPE_7450 | CPU_TYPE_VLE)
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#define VLBEPMR (CPU_TYPE_PMR | CPU_TYPE_BOOKE | CPU_TYPE_VLE)
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#define POWER CPU_TYPE_POWER
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#define POWER2 (CPU_TYPE_POWER | CPU_TYPE_POWER2)
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#define PPCPWR2 (CPU_TYPE_PPC | CPU_TYPE_POWER | CPU_TYPE_POWER2)
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#define POWER32 (CPU_TYPE_POWER | CPU_TYPE_32)
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#define COM (CPU_TYPE_POWER | CPU_TYPE_PPC | CPU_TYPE_COMMON)
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#define COM32 (CPU_TYPE_POWER | CPU_TYPE_PPC | CPU_TYPE_COMMON | CPU_TYPE_32)
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#define M601 (CPU_TYPE_POWER | CPU_TYPE_601)
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#define PWRCOM (CPU_TYPE_POWER | CPU_TYPE_601 | CPU_TYPE_COMMON)
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#define MFDEC1 CPU_TYPE_POWER
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#define MFDEC2 (CPU_TYPE_PPC | CPU_TYPE_601)
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/* Macros used to form opcodes */
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#define OP(x) ((((uint32_t)(x)) & 0x3f) << 26)
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#define OPTO(x,to) (OP (x) | ((((uint32_t)(to)) & 0x1f) << 21))
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#define OPL(x,l) (OP (x) | ((((uint32_t)(l)) & 1) << 21))
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#define A(op, xop, rc) \
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(OP (op) | ((((uint32_t)(xop)) & 0x1f) << 1) | (((uint32_t)(rc)) & 1))
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#define B(op, aa, lk) (OP (op) | ((((uint32_t)(aa)) & 1) << 1) | ((lk) & 1))
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#define BBO(op, bo, aa, lk) (B ((op), (aa), (lk)) | ((((uint32_t)(bo)) & 0x1f) << 21))
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#define BBOCB(op, bo, cb, aa, lk) \
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(BBO ((op), (bo), (aa), (lk)) | ((((uint32_t)(cb)) & 0x3) << 16))
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#define DSO(op, xop) (OP (op) | ((xop) & 0x3))
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#define M(op, rc) (OP (op) | ((rc) & 1))
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#define MME(op, me, rc) (M ((op), (rc)) | ((((uint32_t)(me)) & 0x1f) << 1))
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#define MD(op, xop, rc) \
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(OP (op) | ((((uint32_t)(xop)) & 0x7) << 2) | ((rc) & 1))
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#define MDS(op, xop, rc) \
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(OP (op) | ((((uint32_t)(xop)) & 0xf) << 1) | ((rc) & 1))
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#define SC(op, sa, lk) (OP (op) | ((((uint32_t)(sa)) & 1) << 1) | ((lk) & 1))
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#define VX(op, xop) (OP (op) | (((uint32_t)(xop)) & 0x7ff))
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#define VXA(op, xop) (OP (op) | (((uint32_t)(xop)) & 0x07f))
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#define VXR(op, xop, rc) \
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(OP (op) | (((rc) & 1) << 10) | (((uint32_t)(xop)) & 0x3ff))
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#define X(op, xop) (OP (op) | ((((uint32_t)(xop)) & 0x3ff) << 1))
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#define XRC(op, xop, rc) (X ((op), (xop)) | ((rc) & 1))
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#define XCMPL(op, xop, l) (X ((op), (xop)) | ((((uint32_t)(l)) & 1) << 21))
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#define XTO(op, xop, to) (X ((op), (xop)) | ((((uint32_t)(to)) & 0x1f) << 21))
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#define XTLB(op, xop, sh) (X ((op), (xop)) | ((((uint32_t)(sh)) & 0x1f) << 11))
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#define XFL(op, xop, rc) \
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(OP (op) | ((((uint32_t)(xop)) & 0x3ff) << 1) | (((uint32_t)(rc)) & 1))
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#define XL(op, xop) (OP (op) | ((((uint32_t)(xop)) & 0x3ff) << 1))
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#define XLLK(op, xop, lk) (XL ((op), (xop)) | ((lk) & 1))
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#define XLO(op, bo, xop, lk) \
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(XLLK ((op), (xop), (lk)) | ((((uint32_t)(bo)) & 0x1f) << 21))
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#define XLYLK(op, xop, y, lk) \
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(XLLK ((op), (xop), (lk)) | ((((uint32_t)(y)) & 1) << 21))
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#define XLOCB(op, bo, cb, xop, lk) \
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(XLO ((op), (bo), (xop), (lk)) | ((((uint32_t)(cb)) & 3) << 16))
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#define XO(op, xop, oe, rc) \
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(OP (op) | ((((uint32_t)(xop)) & 0x1ff) << 1) | \
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((((uint32_t)(oe)) & 1) << 10) | (((uint32_t)(rc)) & 1))
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#define XS(op, xop, rc) \
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(OP (op) | ((((uint32_t)(xop)) & 0x1ff) << 2) | (((uint32_t)(rc)) & 1))
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#define XFXM(op, xop, fxm) \
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(X ((op), (xop)) | ((((uint32_t)(fxm)) & 0xff) << 12))
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#define XSPR(op, xop, spr) \
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(X ((op), (xop)) | ((((uint32_t)(spr)) & 0x1f) << 16) | \
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((((uint32_t)(spr)) & 0x3e0) << 6))
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#define XDS(op, xop, at) \
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(X ((op), (xop)) | ((((uint32_t)(at)) & 1) << 25))
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#define XISEL(op, xop) (OP (op) | ((((uint32_t)(xop)) & 0x1f) << 1))
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#define XSYNC(op, xop, l) (X ((op), (xop)) | ((((uint32_t)(l)) & 3) << 21))
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#define EVSEL(op, xop) (OP (op) | (((uint32_t)(xop)) & 0xff) << 3)
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/* The BO encodings used in extended conditional branch mnemonics. */
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#define BODNZF (0x0)
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#define BODNZFP (0x1)
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#define BODZF (0x2)
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#define BODZFP (0x3)
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#define BOF (0x4)
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#define BOFP (0x5)
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#define BODNZT (0x8)
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#define BODNZTP (0x9)
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#define BODZT (0xa)
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#define BODZTP (0xb)
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#define BOT (0xc)
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#define BOTP (0xd)
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#define BODNZ (0x10)
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#define BODNZP (0x11)
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#define BODZ (0x12)
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#define BODZP (0x13)
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#define BOU (0x14)
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/* The BI condition bit encodings used in extended conditional branch
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mnemonics. */
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#define CBLT (0)
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#define CBGT (1)
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#define CBEQ (2)
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#define CBSO (3)
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/* The TO encodings used in extended trap mnemonics. */
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#define TOLGT (0x1)
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#define TOLLT (0x2)
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#define TOEQ (0x4)
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#define TOLGE (0x5)
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#define TOLNL (0x5)
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#define TOLLE (0x6)
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#define TOLNG (0x6)
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#define TOGT (0x8)
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#define TOGE (0xc)
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#define TONL (0xc)
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#define TOLT (0x10)
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#define TOLE (0x14)
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#define TONG (0x14)
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#define TONE (0x18)
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#define TOU (0x1f)
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/* Prototypes */
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int ppc_data_align(int);
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int ppc_data_operand(int);
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int ppc_available(int);
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int ppc_operand_optional(operand *,int);
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