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Unified Diff: include/opcode/mips.h

Issue 124383005: GDB 7.6.50 (Closed) Base URL: http://git.chromium.org/native_client/nacl-gdb.git@upstream
Patch Set: Created 6 years, 11 months ago
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Index: include/opcode/mips.h
diff --git a/include/opcode/mips.h b/include/opcode/mips.h
index 92325080be2a11dd4c2bc60595d79b1419485883..c9dc52b8b85eca441bb8d30ca04b11c550bbba56 100644
--- a/include/opcode/mips.h
+++ b/include/opcode/mips.h
@@ -1,6 +1,6 @@
/* mips.h. Mips opcode list for GDB, the GNU debugger.
Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
- 2003, 2004, 2005, 2008, 2009, 2010
+ 2003, 2004, 2005, 2008, 2009, 2010, 2013
Free Software Foundation, Inc.
Contributed by Ralph Campbell and OSF
Commented and modified by Ian Lance Taylor, Cygnus Support
@@ -25,6 +25,8 @@
#ifndef _MIPS_H_
#define _MIPS_H_
+#include "bfd.h"
+
/* These are bit masks and shift counts to use to access the various
fields of an instruction. To retrieve the X field of an
instruction, use the expression
@@ -210,6 +212,10 @@
#define OP_OP_SDC2 0x3e
#define OP_OP_SDC3 0x3f /* a.k.a. sd */
+/* MIPS VIRT ASE */
+#define OP_MASK_CODE10 0x3ff
+#define OP_SH_CODE10 11
+
/* Values in the 'VSEL' field. */
#define MDMX_FMTSEL_IMM_QH 0x1d
#define MDMX_FMTSEL_IMM_OB 0x1e
@@ -253,8 +259,6 @@
of the operand handling in GAS. The fields below only exist
in the microMIPS encoding, so define each one to have an empty
range. */
-#define OP_MASK_CODE10 0
-#define OP_SH_CODE10 0
#define OP_MASK_TRAP 0
#define OP_SH_TRAP 0
#define OP_MASK_OFFSET10 0
@@ -275,8 +279,6 @@
#define OP_SH_MG 0
#define OP_MASK_MH 0
#define OP_SH_MH 0
-#define OP_MASK_MI 0
-#define OP_SH_MI 0
#define OP_MASK_MJ 0
#define OP_SH_MJ 0
#define OP_MASK_ML 0
@@ -326,6 +328,372 @@
#define OP_MASK_IMMY 0
#define OP_SH_IMMY 0
+/* Enhanced VA Scheme */
+#define OP_SH_EVAOFFSET 7
+#define OP_MASK_EVAOFFSET 0x1ff
+
+/* Enumerates the various types of MIPS operand. */
+enum mips_operand_type {
+ /* Described by mips_int_operand. */
+ OP_INT,
+
+ /* Described by mips_mapped_int_operand. */
+ OP_MAPPED_INT,
+
+ /* Described by mips_msb_operand. */
+ OP_MSB,
+
+ /* Described by mips_reg_operand. */
+ OP_REG,
+
+ /* Like OP_REG, but can be omitted if the register is the same as the
+ previous operand. */
+ OP_OPTIONAL_REG,
+
+ /* Described by mips_reg_pair_operand. */
+ OP_REG_PAIR,
+
+ /* Described by mips_pcrel_operand. */
+ OP_PCREL,
+
+ /* A performance register. The field is 5 bits in size, but the supported
+ values are much more restricted. */
+ OP_PERF_REG,
+
+ /* The final operand in a microMIPS ADDIUSP instruction. It mostly acts
+ as a normal 9-bit signed offset that is multiplied by four, but there
+ are four special cases:
+
+ -2 * 4 => -258 * 4
+ -1 * 4 => -257 * 4
+ 0 * 4 => 256 * 4
+ 1 * 4 => 257 * 4. */
+ OP_ADDIUSP_INT,
+
+ /* The target of a (D)CLO or (D)CLZ instruction. The operand spans two
+ 5-bit register fields, both of which must be set to the destination
+ register. */
+ OP_CLO_CLZ_DEST,
+
+ /* A register list for a microMIPS LWM or SWM instruction. The operand
+ size determines whether the 16-bit or 32-bit encoding is required. */
+ OP_LWM_SWM_LIST,
+
+ /* The register list for an emulated MIPS16 ENTRY or EXIT instruction. */
+ OP_ENTRY_EXIT_LIST,
+
+ /* The register list and frame size for a MIPS16 SAVE or RESTORE
+ instruction. */
+ OP_SAVE_RESTORE_LIST,
+
+ /* A 10-bit field VVVVVNNNNN used for octobyte and quadhalf instructions:
+
+ V Meaning
+ ----- -------
+ 0EEE0 8 copies of $vN[E], OB format
+ 0EE01 4 copies of $vN[E], QH format
+ 10110 all 8 elements of $vN, OB format
+ 10101 all 4 elements of $vN, QH format
+ 11110 8 copies of immediate N, OB format
+ 11101 4 copies of immediate N, QH format. */
+ OP_MDMX_IMM_REG,
+
+ /* A register operand that must match the destination register. */
+ OP_REPEAT_DEST_REG,
+
+ /* A register operand that must match the previous register. */
+ OP_REPEAT_PREV_REG,
+
+ /* $pc, which has no encoding in the architectural instruction. */
+ OP_PC,
+
+ /* A 4-bit XYZW channel mask or 2-bit XYZW index; the size determines
+ which. */
+ OP_VU0_SUFFIX,
+
+ /* Like OP_VU0_SUFFIX, but used when the operand's value has already
+ been set. Any suffix used here must match the previous value. */
+ OP_VU0_MATCH_SUFFIX,
+
+ /* An index selected by an integer, e.g. [1]. */
+ OP_IMM_INDEX,
+
+ /* An index selected by a register, e.g. [$2]. */
+ OP_REG_INDEX
+};
+
+/* Enumerates the types of MIPS register. */
+enum mips_reg_operand_type {
+ /* General registers $0-$31. Software names like $at can also be used. */
+ OP_REG_GP,
+
+ /* Floating-point registers $f0-$f31. */
+ OP_REG_FP,
+
+ /* Coprocessor condition code registers $cc0-$cc7. FPU condition codes
+ can also be written $fcc0-$fcc7. */
+ OP_REG_CCC,
+
+ /* FPRs used in a vector capacity. They can be written $f0-$f31
+ or $v0-$v31, although the latter form is not used for the VR5400
+ vector instructions. */
+ OP_REG_VEC,
+
+ /* DSP accumulator registers $ac0-$ac3. */
+ OP_REG_ACC,
+
+ /* Coprocessor registers $0-$31. Mnemonic names like c0_cause can
+ also be used in some contexts. */
+ OP_REG_COPRO,
+
+ /* Hardware registers $0-$31. Mnemonic names like hwr_cpunum can
+ also be used in some contexts. */
+ OP_REG_HW,
+
+ /* Floating-point registers $vf0-$vf31. */
+ OP_REG_VF,
+
+ /* Integer registers $vi0-$vi31. */
+ OP_REG_VI,
+
+ /* R5900 VU0 registers $I, $Q, $R and $ACC. */
+ OP_REG_R5900_I,
+ OP_REG_R5900_Q,
+ OP_REG_R5900_R,
+ OP_REG_R5900_ACC,
+
+ /* MSA registers $w0-$w31. */
+ OP_REG_MSA,
+
+ /* MSA control registers $0-$31. */
+ OP_REG_MSA_CTRL
+};
+
+/* Base class for all operands. */
+struct mips_operand
+{
+ /* The type of the operand. */
+ enum mips_operand_type type;
+
+ /* The operand occupies SIZE bits of the instruction, starting at LSB. */
+ unsigned short size;
+ unsigned short lsb;
+};
+
+/* Describes an integer operand with a regular encoding pattern. */
+struct mips_int_operand
+{
+ struct mips_operand root;
+
+ /* The low ROOT.SIZE bits of MAX_VAL encodes (MAX_VAL + BIAS) << SHIFT.
+ The cyclically previous field value encodes 1 << SHIFT less than that,
+ and so on. E.g.
+
+ - for { { T, 4, L }, 14, 0, 0 }, field values 0...14 encode themselves,
+ but 15 encodes -1.
+
+ - { { T, 8, L }, 127, 0, 2 } is a normal signed 8-bit operand that is
+ shifted left two places.
+
+ - { { T, 3, L }, 8, 0, 0 } is a normal unsigned 3-bit operand except
+ that 0 encodes 8.
+
+ - { { ... }, 0, 1, 3 } means that N encodes (N + 1) << 3. */
+ unsigned int max_val;
+ int bias;
+ unsigned int shift;
+
+ /* True if the operand should be printed as hex rather than decimal. */
+ bfd_boolean print_hex;
+};
+
+/* Uses a lookup table to describe a small integer operand. */
+struct mips_mapped_int_operand
+{
+ struct mips_operand root;
+
+ /* Maps each encoding value to the integer that it represents. */
+ const int *int_map;
+
+ /* True if the operand should be printed as hex rather than decimal. */
+ bfd_boolean print_hex;
+};
+
+/* An operand that encodes the most significant bit position of a bitfield.
+ Given a bitfield that spans bits [MSB, LSB], some operands of this type
+ encode MSB directly while others encode MSB - LSB. Each operand of this
+ type is preceded by an integer operand that specifies LSB.
+
+ The assembly form varies between instructions. For some instructions,
+ such as EXT, the operand is written as the bitfield size. For others,
+ such as EXTS, it is written in raw MSB - LSB form. */
+struct mips_msb_operand
+{
+ struct mips_operand root;
+
+ /* The assembly-level operand encoded by a field value of 0. */
+ int bias;
+
+ /* True if the operand encodes MSB directly, false if it encodes
+ MSB - LSB. */
+ bfd_boolean add_lsb;
+
+ /* The maximum value of MSB + 1. */
+ unsigned int opsize;
+};
+
+/* Describes a single register operand. */
+struct mips_reg_operand
+{
+ struct mips_operand root;
+
+ /* The type of register. */
+ enum mips_reg_operand_type reg_type;
+
+ /* If nonnull, REG_MAP[N] gives the register associated with encoding N,
+ otherwise the encoding is the same as the register number. */
+ const unsigned char *reg_map;
+};
+
+/* Describes an operand that encodes a pair of registers. */
+struct mips_reg_pair_operand
+{
+ struct mips_operand root;
+
+ /* The type of register. */
+ enum mips_reg_operand_type reg_type;
+
+ /* Encoding N represents REG1_MAP[N], REG2_MAP[N]. */
+ unsigned char *reg1_map;
+ unsigned char *reg2_map;
+};
+
+/* Describes an operand that is calculated relative to a base PC.
+ The base PC is usually the address of the following instruction,
+ but the rules for MIPS16 instructions like ADDIUPC are more complicated. */
+struct mips_pcrel_operand
+{
+ /* Encodes the offset. */
+ struct mips_int_operand root;
+
+ /* The low ALIGN_LOG2 bits of the base PC are cleared to give PC',
+ which is then added to the offset encoded by ROOT. */
+ unsigned int align_log2 : 8;
+
+ /* If INCLUDE_ISA_BIT, the ISA bit of the original base PC is then
+ reinstated. This is true for jumps and branches and false for
+ PC-relative data instructions. */
+ unsigned int include_isa_bit : 1;
+
+ /* If FLIP_ISA_BIT, the ISA bit of the result is inverted.
+ This is true for JALX and false otherwise. */
+ unsigned int flip_isa_bit : 1;
+};
+
+/* Return true if the assembly syntax allows OPERAND to be omitted. */
+
+static inline bfd_boolean
+mips_optional_operand_p (const struct mips_operand *operand)
+{
+ return (operand->type == OP_OPTIONAL_REG
+ || operand->type == OP_REPEAT_PREV_REG);
+}
+
+/* Return a version of INSN in which the field specified by OPERAND
+ has value UVAL. */
+
+static inline unsigned int
+mips_insert_operand (const struct mips_operand *operand, unsigned int insn,
+ unsigned int uval)
+{
+ unsigned int mask;
+
+ mask = (1 << operand->size) - 1;
+ insn &= ~(mask << operand->lsb);
+ insn |= (uval & mask) << operand->lsb;
+ return insn;
+}
+
+/* Extract OPERAND from instruction INSN. */
+
+static inline unsigned int
+mips_extract_operand (const struct mips_operand *operand, unsigned int insn)
+{
+ return (insn >> operand->lsb) & ((1 << operand->size) - 1);
+}
+
+/* UVAL is the value encoded by OPERAND. Return it in signed form. */
+
+static inline int
+mips_signed_operand (const struct mips_operand *operand, unsigned int uval)
+{
+ unsigned int sign_bit, mask;
+
+ mask = (1 << operand->size) - 1;
+ sign_bit = 1 << (operand->size - 1);
+ return ((uval + sign_bit) & mask) - sign_bit;
+}
+
+/* Return the integer that OPERAND encodes as UVAL. */
+
+static inline int
+mips_decode_int_operand (const struct mips_int_operand *operand,
+ unsigned int uval)
+{
+ uval |= (operand->max_val - uval) & -(1 << operand->root.size);
+ uval += operand->bias;
+ uval <<= operand->shift;
+ return uval;
+}
+
+/* Return the maximum value that can be encoded by OPERAND. */
+
+static inline int
+mips_int_operand_max (const struct mips_int_operand *operand)
+{
+ return (operand->max_val + operand->bias) << operand->shift;
+}
+
+/* Return the minimum value that can be encoded by OPERAND. */
+
+static inline int
+mips_int_operand_min (const struct mips_int_operand *operand)
+{
+ unsigned int mask;
+
+ mask = (1 << operand->root.size) - 1;
+ return mips_int_operand_max (operand) - (mask << operand->shift);
+}
+
+/* Return the register that OPERAND encodes as UVAL. */
+
+static inline int
+mips_decode_reg_operand (const struct mips_reg_operand *operand,
+ unsigned int uval)
+{
+ if (operand->reg_map)
+ uval = operand->reg_map[uval];
+ return uval;
+}
+
+/* PC-relative operand OPERAND has value UVAL and is relative to BASE_PC.
+ Return the address that it encodes. */
+
+static inline bfd_vma
+mips_decode_pcrel_operand (const struct mips_pcrel_operand *operand,
+ bfd_vma base_pc, unsigned int uval)
+{
+ bfd_vma addr;
+
+ addr = base_pc & -(1 << operand->align_log2);
+ addr += mips_decode_int_operand (&operand->root, uval);
+ if (operand->include_isa_bit)
+ addr |= base_pc & 1;
+ if (operand->flip_isa_bit)
+ addr ^= 1;
+ return addr;
+}
+
/* This structure holds information for a particular instruction. */
struct mips_opcode
@@ -353,6 +721,12 @@ struct mips_opcode
/* A collection of bits describing the instruction sets of which this
instruction or macro is a member. */
unsigned long membership;
+ /* A collection of bits describing the ASE of which this instruction
+ or macro is a member. */
+ unsigned long ase;
+ /* A collection of bits describing the instruction sets of which this
+ instruction or macro is not a member. */
+ unsigned long exclusions;
};
/* These are the characters which may appear in the args field of an
@@ -363,10 +737,11 @@ struct mips_opcode
Each of these characters corresponds to a mask field defined above.
- "1" 5 bit sync type (OP_*_SHAMT)
+ "1" 5 bit sync type (OP_*_STYPE)
"<" 5 bit shift amount (OP_*_SHAMT)
">" shift amount between 32 and 63, stored after subtracting 32 (OP_*_SHAMT)
"a" 26 bit target address (OP_*_TARGET)
+ "+i" likewise, but flips bit 0
"b" 5 bit base register (OP_*_RS)
"c" 10 bit breakpoint code (OP_*_CODE)
"d" 5 bit destination register specifier (OP_*_RD)
@@ -374,7 +749,6 @@ struct mips_opcode
"i" 16 bit unsigned immediate (OP_*_IMMEDIATE)
"j" 16 bit signed immediate (OP_*_DELTA)
"k" 5 bit cache opcode in target register position (OP_*_CACHE)
- Also used for immediate operands in vr5400 vector insns.
"o" 16 bit signed offset (OP_*_DELTA)
"p" 16 bit PC relative branch target address (OP_*_DELTA)
"q" 10 bit extra breakpoint code (OP_*_CODE2)
@@ -433,26 +807,43 @@ struct mips_opcode
"P" 5 bit performance-monitor register (OP_*_PERFREG)
"e" 5 bit vector register byte specifier (OP_*_VECBYTE)
"%" 3 bit immediate vr5400 vector alignment operand (OP_*_VECALIGN)
- see also "k" above
- "+D" Combined destination register ("G") and sel ("H") for CP0 ops,
- for pretty-printing in disassembly only.
Macro instructions:
"A" General 32 bit expression
"I" 32 bit immediate (value placed in imm_expr).
- "+I" 32 bit immediate (value placed in imm2_expr).
"F" 64 bit floating point constant in .rdata
"L" 64 bit floating point constant in .lit8
"f" 32 bit floating point constant
"l" 32 bit floating point constant in .lit4
- MDMX instruction operands (note that while these use the FP register
- fields, they accept both $fN and $vN names for the registers):
- "O" MDMX alignment offset (OP_*_ALN)
- "Q" MDMX vector/scalar/immediate source (OP_*_VSEL and OP_*_FT)
- "X" MDMX destination register (OP_*_FD)
- "Y" MDMX source register (OP_*_FS)
- "Z" MDMX source register (OP_*_FT)
+ MDMX and VR5400 instruction operands (note that while these use the
+ FP register fields, the MDMX instructions accept both $fN and $vN names
+ for the registers):
+ "O" alignment offset (OP_*_ALN)
+ "Q" vector/scalar/immediate source (OP_*_VSEL and OP_*_FT)
+ "X" destination register (OP_*_FD)
+ "Y" source register (OP_*_FS)
+ "Z" source register (OP_*_FT)
+
+ R5900 VU0 Macromode instructions:
+ "+5" 5 bit floating point register (FD)
+ "+6" 5 bit floating point register (FS)
+ "+7" 5 bit floating point register (FT)
+ "+8" 5 bit integer register (FD)
+ "+9" 5 bit integer register (FS)
+ "+0" 5 bit integer register (FT)
+ "+K" match an existing 4-bit channel mask starting at bit 21
+ "+L" 2-bit channel index starting at bit 21
+ "+M" 2-bit channel index starting at bit 23
+ "+N" match an existing 2-bit channel index starting at bit 0
+ "+f" 15 bit immediate for VCALLMS
+ "+g" 5 bit signed immediate for VIADDI
+ "+m" $ACC register (syntax only)
+ "+q" $Q register (syntax only)
+ "+r" $R register (syntax only)
+ "+y" $I register (syntax only)
+ "#+" "++" decorator in ($reg++) sequence
+ "#-" "--" decorator in (--$reg) sequence
DSP ASE usage:
"2" 2 bit unsigned immediate for byte align (OP_*_BP)
@@ -475,12 +866,14 @@ struct mips_opcode
"&" 2 bit dsp/smartmips accumulator register (OP_*_MTACC_D)
"g" 5 bit coprocessor 1 and 2 destination register (OP_*_RD)
"+t" 5 bit coprocessor 0 destination register (OP_*_RT)
- "+T" 5 bit coprocessor 0 destination register (OP_*_RT) - disassembly only
MCU ASE usage:
"~" 12 bit offset (OP_*_OFFSET12)
"\" 3 bit position for aset and aclr (OP_*_3BITPOS)
+ VIRT ASE usage:
+ "+J" 10-bit hypcall code (OP_*CODE10)
+
UDI immediates:
"+1" UDI immediate bits 6-10
"+2" UDI immediate bits 6-15
@@ -495,11 +888,10 @@ struct mips_opcode
"+P" Position field of cins/exts aliasing cins32/exts32. Matches if
32 <= pos < 64, otherwise skips to next candidate.
"+Q" Immediate field of seqi/snei. Enforces -512 <= imm < 512.
- "+s" Length-minus-one field of cins/exts. Enforces: 0 <= lenm1 < 32.
- "+S" Length-minus-one field of cins32/exts32 or cins/exts aliasing
- cint32/exts32. Enforces non-negative value and that
- pos + lenm1 < 32 or pos + lenm1 < 64 depending whether previous
- position field is "+p" or "+P".
+ "+s" Length-minus-one field of cins32/exts32. Requires msb position
+ of the field to be <= 31.
+ "+S" Length-minus-one field of cins/exts. Requires msb position
+ of the field to be <= 63.
Loongson-3A:
"+a" 8-bit signed offset in bit 6 (OP_*_OFFSET_A)
@@ -508,93 +900,118 @@ struct mips_opcode
"+z" 5-bit rz register (OP_*_RZ)
"+Z" 5-bit fz register (OP_*_FZ)
+ Enhanced VA Scheme:
+ "+j" 9-bit signed offset in bit 7 (OP_*_EVAOFFSET)
+
+ MSA Extension:
+ "+d" 5-bit MSA register (FD)
+ "+e" 5-bit MSA register (FS)
+ "+h" 5-bit MSA register (FT)
+ "+k" 5-bit GPR at bit 6
+ "+l" 5-bit MSA control register at bit 6
+ "+n" 5-bit MSA control register at bit 11
+ "+o" 5-bit vector element index at bit 16
+ "+u" 4-bit vector element index at bit 16
+ "+v" 3-bit vector element index at bit 16
+ "+w" 2-bit vector element index at bit 16
+ "+T" (-512 .. 511) << 0 at bit 16
+ "+U" (-512 .. 511) << 1 at bit 16
+ "+V" (-512 .. 511) << 2 at bit 16
+ "+W" (-512 .. 511) << 3 at bit 16
+ "+~" 2 bit LSA/DLSA shift amount from 1 to 4 at bit 6
+ "+!" 3 bit unsigned bit position at bit 16
+ "+@" 4 bit unsigned bit position at bit 16
+ "+#" 6 bit unsigned bit position at bit 16
+ "+$" 5 bit unsigned immediate at bit 16
+ "+%" 5 bit signed immediate at bit 16
+ "+^" 10 bit signed immediate at bit 11
+ "+&" 0 vector element index
+ "+*" 5-bit register vector element index at bit 16
+ "+|" 8-bit mask at bit 16
+
Other:
"()" parens surrounding optional value
"," separates operands
- "[]" brackets around index for vector-op scalar operand specifier (vr5400)
"+" Start of extension sequence.
Characters used so far, for quick reference when adding more:
"1234567890"
- "%[]<>(),+:'@!$*&\~"
+ "%[]<>(),+:'@!#$*&\~"
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefghijklopqrstuvwxz"
Extension character sequences used so far ("+" followed by the
following), for quick reference when adding more:
- "1234"
- "ABCDEFGHIPQSTXZ"
- "abcpstxz"
+ "1234567890"
+ "~!@#$%^&*|"
+ "ABCEFGHJKLMNPQSTUVWXZ"
+ "abcdefghijklmnopqrstuvwxyz"
*/
/* These are the bits which may be set in the pinfo field of an
instructions, if it is not equal to INSN_MACRO. */
-/* Modifies the general purpose register in OP_*_RD. */
-#define INSN_WRITE_GPR_D 0x00000001
-/* Modifies the general purpose register in OP_*_RT. */
-#define INSN_WRITE_GPR_T 0x00000002
+/* Writes to operand number N. */
+#define INSN_WRITE_SHIFT 0
+#define INSN_WRITE_1 0x00000001
+#define INSN_WRITE_2 0x00000002
+#define INSN_WRITE_ALL 0x00000003
+/* Reads from operand number N. */
+#define INSN_READ_SHIFT 2
+#define INSN_READ_1 0x00000004
+#define INSN_READ_2 0x00000008
+#define INSN_READ_3 0x00000010
+#define INSN_READ_4 0x00000020
+#define INSN_READ_ALL 0x0000003c
/* Modifies general purpose register 31. */
-#define INSN_WRITE_GPR_31 0x00000004
-/* Modifies the floating point register in OP_*_FD. */
-#define INSN_WRITE_FPR_D 0x00000008
-/* Modifies the floating point register in OP_*_FS. */
-#define INSN_WRITE_FPR_S 0x00000010
-/* Modifies the floating point register in OP_*_FT. */
-#define INSN_WRITE_FPR_T 0x00000020
-/* Reads the general purpose register in OP_*_RS. */
-#define INSN_READ_GPR_S 0x00000040
-/* Reads the general purpose register in OP_*_RT. */
-#define INSN_READ_GPR_T 0x00000080
-/* Reads the floating point register in OP_*_FS. */
-#define INSN_READ_FPR_S 0x00000100
-/* Reads the floating point register in OP_*_FT. */
-#define INSN_READ_FPR_T 0x00000200
-/* Reads the floating point register in OP_*_FR. */
-#define INSN_READ_FPR_R 0x00000400
+#define INSN_WRITE_GPR_31 0x00000040
/* Modifies coprocessor condition code. */
-#define INSN_WRITE_COND_CODE 0x00000800
+#define INSN_WRITE_COND_CODE 0x00000080
/* Reads coprocessor condition code. */
-#define INSN_READ_COND_CODE 0x00001000
+#define INSN_READ_COND_CODE 0x00000100
/* TLB operation. */
-#define INSN_TLB 0x00002000
+#define INSN_TLB 0x00000200
/* Reads coprocessor register other than floating point register. */
-#define INSN_COP 0x00004000
-/* Instruction loads value from memory, requiring delay. */
-#define INSN_LOAD_MEMORY_DELAY 0x00008000
+#define INSN_COP 0x00000400
+/* Instruction loads value from memory. */
+#define INSN_LOAD_MEMORY 0x00000800
/* Instruction loads value from coprocessor, requiring delay. */
-#define INSN_LOAD_COPROC_DELAY 0x00010000
+#define INSN_LOAD_COPROC_DELAY 0x00001000
/* Instruction has unconditional branch delay slot. */
-#define INSN_UNCOND_BRANCH_DELAY 0x00020000
+#define INSN_UNCOND_BRANCH_DELAY 0x00002000
/* Instruction has conditional branch delay slot. */
-#define INSN_COND_BRANCH_DELAY 0x00040000
+#define INSN_COND_BRANCH_DELAY 0x00004000
/* Conditional branch likely: if branch not taken, insn nullified. */
-#define INSN_COND_BRANCH_LIKELY 0x00080000
+#define INSN_COND_BRANCH_LIKELY 0x00008000
/* Moves to coprocessor register, requiring delay. */
-#define INSN_COPROC_MOVE_DELAY 0x00100000
+#define INSN_COPROC_MOVE_DELAY 0x00010000
/* Loads coprocessor register from memory, requiring delay. */
-#define INSN_COPROC_MEMORY_DELAY 0x00200000
+#define INSN_COPROC_MEMORY_DELAY 0x00020000
/* Reads the HI register. */
-#define INSN_READ_HI 0x00400000
+#define INSN_READ_HI 0x00040000
/* Reads the LO register. */
-#define INSN_READ_LO 0x00800000
+#define INSN_READ_LO 0x00080000
/* Modifies the HI register. */
-#define INSN_WRITE_HI 0x01000000
+#define INSN_WRITE_HI 0x00100000
/* Modifies the LO register. */
-#define INSN_WRITE_LO 0x02000000
+#define INSN_WRITE_LO 0x00200000
/* Not to be placed in a branch delay slot, either architecturally
or for ease of handling (such as with instructions that take a trap). */
-#define INSN_NO_DELAY_SLOT 0x04000000
+#define INSN_NO_DELAY_SLOT 0x00400000
/* Instruction stores value into memory. */
-#define INSN_STORE_MEMORY 0x08000000
+#define INSN_STORE_MEMORY 0x00800000
/* Instruction uses single precision floating point. */
-#define FP_S 0x10000000
+#define FP_S 0x01000000
/* Instruction uses double precision floating point. */
-#define FP_D 0x20000000
+#define FP_D 0x02000000
/* Instruction is part of the tx39's integer multiply family. */
-#define INSN_MULT 0x40000000
-/* Modifies the general purpose register in MICROMIPSOP_*_RS. */
-#define INSN_WRITE_GPR_S 0x80000000
+#define INSN_MULT 0x04000000
+/* Reads general purpose register 24. */
+#define INSN_READ_GPR_24 0x08000000
+/* Writes to general purpose register 24. */
+#define INSN_WRITE_GPR_24 0x10000000
+/* A user-defined instruction. */
+#define INSN_UDI 0x20000000
/* Instruction is actually a macro. It should be ignored by the
disassembler, and requires special treatment by the assembler. */
#define INSN_MACRO 0xffffffff
@@ -616,62 +1033,26 @@ struct mips_opcode
only be set for macros. For instructions, FP_D in pinfo carries the
same information. */
#define INSN2_M_FP_D 0x00000010
-/* Modifies the general purpose register in OP_*_RZ. */
-#define INSN2_WRITE_GPR_Z 0x00000020
-/* Modifies the floating point register in OP_*_FZ. */
-#define INSN2_WRITE_FPR_Z 0x00000040
-/* Reads the general purpose register in OP_*_RZ. */
-#define INSN2_READ_GPR_Z 0x00000080
-/* Reads the floating point register in OP_*_FZ. */
-#define INSN2_READ_FPR_Z 0x00000100
-/* Reads the general purpose register in OP_*_RD. */
-#define INSN2_READ_GPR_D 0x00000200
-
-
/* Instruction has a branch delay slot that requires a 16-bit instruction. */
-#define INSN2_BRANCH_DELAY_16BIT 0x00000400
+#define INSN2_BRANCH_DELAY_16BIT 0x00000020
/* Instruction has a branch delay slot that requires a 32-bit instruction. */
-#define INSN2_BRANCH_DELAY_32BIT 0x00000800
-/* Reads the floating point register in MICROMIPSOP_*_FD. */
-#define INSN2_READ_FPR_D 0x00001000
-/* Modifies the general purpose register in MICROMIPSOP_*_MB. */
-#define INSN2_WRITE_GPR_MB 0x00002000
-/* Reads the general purpose register in MICROMIPSOP_*_MC. */
-#define INSN2_READ_GPR_MC 0x00004000
-/* Reads/writes the general purpose register in MICROMIPSOP_*_MD. */
-#define INSN2_MOD_GPR_MD 0x00008000
-/* Reads the general purpose register in MICROMIPSOP_*_ME. */
-#define INSN2_READ_GPR_ME 0x00010000
-/* Reads/writes the general purpose register in MICROMIPSOP_*_MF. */
-#define INSN2_MOD_GPR_MF 0x00020000
-/* Reads the general purpose register in MICROMIPSOP_*_MG. */
-#define INSN2_READ_GPR_MG 0x00040000
-/* Reads the general purpose register in MICROMIPSOP_*_MJ. */
-#define INSN2_READ_GPR_MJ 0x00080000
-/* Modifies the general purpose register in MICROMIPSOP_*_MJ. */
-#define INSN2_WRITE_GPR_MJ 0x00100000
-/* Reads the general purpose register in MICROMIPSOP_*_MP. */
-#define INSN2_READ_GPR_MP 0x00200000
-/* Modifies the general purpose register in MICROMIPSOP_*_MP. */
-#define INSN2_WRITE_GPR_MP 0x00400000
-/* Reads the general purpose register in MICROMIPSOP_*_MQ. */
-#define INSN2_READ_GPR_MQ 0x00800000
-/* Reads/Writes the stack pointer ($29). */
-#define INSN2_MOD_SP 0x01000000
+#define INSN2_BRANCH_DELAY_32BIT 0x00000040
+/* Writes to the stack pointer ($29). */
+#define INSN2_WRITE_SP 0x00000080
+/* Reads from the stack pointer ($29). */
+#define INSN2_READ_SP 0x00000100
/* Reads the RA ($31) register. */
-#define INSN2_READ_GPR_31 0x02000000
-/* Reads the global pointer ($28). */
-#define INSN2_READ_GP 0x04000000
+#define INSN2_READ_GPR_31 0x00000200
/* Reads the program counter ($pc). */
-#define INSN2_READ_PC 0x08000000
+#define INSN2_READ_PC 0x00000400
/* Is an unconditional branch insn. */
-#define INSN2_UNCOND_BRANCH 0x10000000
+#define INSN2_UNCOND_BRANCH 0x00000800
/* Is a conditional branch insn. */
-#define INSN2_COND_BRANCH 0x20000000
-/* Modifies the general purpose registers in MICROMIPSOP_*_MH/I. */
-#define INSN2_WRITE_GPR_MHI 0x40000000
-/* Reads the general purpose registers in MICROMIPSOP_*_MM/N. */
-#define INSN2_READ_GPR_MMN 0x80000000
+#define INSN2_COND_BRANCH 0x00001000
+/* Reads from $16. This is true of the MIPS16 0x6500 nop. */
+#define INSN2_READ_GPR_16 0x00002000
+/* Has an "\.x?y?z?w?" suffix based on mips_vu0_channel_mask. */
+#define INSN2_VU0_CHANNEL_SUFFIX 0x00004000
/* Masks used to mark instructions to indicate which MIPS ISA level
they were introduced in. INSN_ISA_MASK masks an enumeration that
@@ -720,17 +1101,8 @@ static const unsigned int mips_isa_table[] =
#define INSN_OCTEONP 0x00000200
#define INSN_OCTEON2 0x00000100
-/* Masks used for MIPS-defined ASEs. */
-#define INSN_ASE_MASK 0x3c00f010
-
-/* DSP ASE */
-#define INSN_DSP 0x00001000
-#define INSN_DSP64 0x00002000
-
-/* 0x00004000 is unused. */
-
-/* MIPS-3D ASE */
-#define INSN_MIPS3D 0x00008000
+/* MIPS R5900 instruction */
+#define INSN_5900 0x00004000
/* MIPS R4650 instruction. */
#define INSN_4650 0x00010000
@@ -753,14 +1125,6 @@ static const unsigned int mips_isa_table[] =
/* NEC VR5500 instruction. */
#define INSN_5500 0x02000000
-/* MDMX ASE */
-#define INSN_MDMX 0x04000000
-/* MT ASE */
-#define INSN_MT 0x08000000
-/* SmartMIPS ASE */
-#define INSN_SMARTMIPS 0x10000000
-/* DSP R2 ASE */
-#define INSN_DSPR2 0x20000000
/* ST Microelectronics Loongson 2E. */
#define INSN_LOONGSON_2E 0x40000000
/* ST Microelectronics Loongson 2F. */
@@ -768,10 +1132,31 @@ static const unsigned int mips_isa_table[] =
/* Loongson 3A. */
#define INSN_LOONGSON_3A 0x00000400
/* RMI Xlr instruction */
-#define INSN_XLR 0x00000020
+#define INSN_XLR 0x00000020
+/* DSP ASE */
+#define ASE_DSP 0x00000001
+#define ASE_DSP64 0x00000002
+/* DSP R2 ASE */
+#define ASE_DSPR2 0x00000004
+/* Enhanced VA Scheme */
+#define ASE_EVA 0x00000008
/* MCU (MicroController) ASE */
-#define INSN_MCU 0x00000010
+#define ASE_MCU 0x00000010
+/* MDMX ASE */
+#define ASE_MDMX 0x00000020
+/* MIPS-3D ASE */
+#define ASE_MIPS3D 0x00000040
+/* MT ASE */
+#define ASE_MT 0x00000080
+/* SmartMIPS ASE */
+#define ASE_SMARTMIPS 0x00000100
+/* Virtualization ASE */
+#define ASE_VIRT 0x00000200
+#define ASE_VIRT64 0x00000400
+/* MSA Extension */
+#define ASE_MSA 0x00000800
+#define ASE_MSA64 0x00001000
/* MIPS ISA defines, use instead of hardcoding ISA level. */
@@ -806,6 +1191,7 @@ static const unsigned int mips_isa_table[] =
#define CPU_R5000 5000
#define CPU_VR5400 5400
#define CPU_VR5500 5500
+#define CPU_R5900 5900
#define CPU_R6000 6000
#define CPU_RM7000 7000
#define CPU_R8000 8000
@@ -829,52 +1215,111 @@ static const unsigned int mips_isa_table[] =
#define CPU_OCTEON2 6502
#define CPU_XLR 887682 /* decimal 'XLR' */
+/* Return true if the given CPU is included in INSN_* mask MASK. */
+
+static inline bfd_boolean
+cpu_is_member (int cpu, unsigned int mask)
+{
+ switch (cpu)
+ {
+ case CPU_R4650:
+ case CPU_RM7000:
+ case CPU_RM9000:
+ return (mask & INSN_4650) != 0;
+
+ case CPU_R4010:
+ return (mask & INSN_4010) != 0;
+
+ case CPU_VR4100:
+ return (mask & INSN_4100) != 0;
+
+ case CPU_R3900:
+ return (mask & INSN_3900) != 0;
+
+ case CPU_R10000:
+ case CPU_R12000:
+ case CPU_R14000:
+ case CPU_R16000:
+ return (mask & INSN_10000) != 0;
+
+ case CPU_SB1:
+ return (mask & INSN_SB1) != 0;
+
+ case CPU_R4111:
+ return (mask & INSN_4111) != 0;
+
+ case CPU_VR4120:
+ return (mask & INSN_4120) != 0;
+
+ case CPU_VR5400:
+ return (mask & INSN_5400) != 0;
+
+ case CPU_VR5500:
+ return (mask & INSN_5500) != 0;
+
+ case CPU_R5900:
+ return (mask & INSN_5900) != 0;
+
+ case CPU_LOONGSON_2E:
+ return (mask & INSN_LOONGSON_2E) != 0;
+
+ case CPU_LOONGSON_2F:
+ return (mask & INSN_LOONGSON_2F) != 0;
+
+ case CPU_LOONGSON_3A:
+ return (mask & INSN_LOONGSON_3A) != 0;
+
+ case CPU_OCTEON:
+ return (mask & INSN_OCTEON) != 0;
+
+ case CPU_OCTEONP:
+ return (mask & INSN_OCTEONP) != 0;
+
+ case CPU_OCTEON2:
+ return (mask & INSN_OCTEON2) != 0;
+
+ case CPU_XLR:
+ return (mask & INSN_XLR) != 0;
+
+ default:
+ return FALSE;
+ }
+}
+
/* Test for membership in an ISA including chip specific ISAs. INSN
is pointer to an element of the opcode table; ISA is the specified
ISA/ASE bitmask to test against; and CPU is the CPU specific ISA to
- test, or zero if no CPU specific ISA test is desired. */
-
-#define OPCODE_IS_MEMBER(insn, isa, cpu) \
- (((isa & INSN_ISA_MASK) != 0 \
- && ((insn)->membership & INSN_ISA_MASK) != 0 \
- && ((mips_isa_table [(isa & INSN_ISA_MASK) - 1] >> \
- (((insn)->membership & INSN_ISA_MASK) - 1)) & 1) != 0) \
- || ((isa & ~INSN_ISA_MASK) \
- & ((insn)->membership & ~INSN_ISA_MASK)) != 0 \
- || (cpu == CPU_R4650 && ((insn)->membership & INSN_4650) != 0) \
- || (cpu == CPU_RM7000 && ((insn)->membership & INSN_4650) != 0) \
- || (cpu == CPU_RM9000 && ((insn)->membership & INSN_4650) != 0) \
- || (cpu == CPU_R4010 && ((insn)->membership & INSN_4010) != 0) \
- || (cpu == CPU_VR4100 && ((insn)->membership & INSN_4100) != 0) \
- || (cpu == CPU_R3900 && ((insn)->membership & INSN_3900) != 0) \
- || ((cpu == CPU_R10000 || cpu == CPU_R12000 || cpu == CPU_R14000 \
- || cpu == CPU_R16000) \
- && ((insn)->membership & INSN_10000) != 0) \
- || (cpu == CPU_SB1 && ((insn)->membership & INSN_SB1) != 0) \
- || (cpu == CPU_R4111 && ((insn)->membership & INSN_4111) != 0) \
- || (cpu == CPU_VR4120 && ((insn)->membership & INSN_4120) != 0) \
- || (cpu == CPU_VR5400 && ((insn)->membership & INSN_5400) != 0) \
- || (cpu == CPU_VR5500 && ((insn)->membership & INSN_5500) != 0) \
- || (cpu == CPU_LOONGSON_2E \
- && ((insn)->membership & INSN_LOONGSON_2E) != 0) \
- || (cpu == CPU_LOONGSON_2F \
- && ((insn)->membership & INSN_LOONGSON_2F) != 0) \
- || (cpu == CPU_LOONGSON_3A \
- && ((insn)->membership & INSN_LOONGSON_3A) != 0) \
- || (cpu == CPU_OCTEON \
- && ((insn)->membership & INSN_OCTEON) != 0) \
- || (cpu == CPU_OCTEONP \
- && ((insn)->membership & INSN_OCTEONP) != 0) \
- || (cpu == CPU_OCTEON2 \
- && ((insn)->membership & INSN_OCTEON2) != 0) \
- || (cpu == CPU_XLR && ((insn)->membership & INSN_XLR) != 0) \
- || 0) /* Please keep this term for easier source merging. */
+ test, or zero if no CPU specific ISA test is desired. Return true
+ if instruction INSN is available to the given ISA and CPU. */
+
+static inline bfd_boolean
+opcode_is_member (const struct mips_opcode *insn, int isa, int ase, int cpu)
+{
+ if (!cpu_is_member (cpu, insn->exclusions))
+ {
+ /* Test for ISA level compatibility. */
+ if ((isa & INSN_ISA_MASK) != 0
+ && (insn->membership & INSN_ISA_MASK) != 0
+ && ((mips_isa_table[(isa & INSN_ISA_MASK) - 1]
+ >> ((insn->membership & INSN_ISA_MASK) - 1)) & 1) != 0)
+ return TRUE;
+
+ /* Test for ASE compatibility. */
+ if ((ase & insn->ase) != 0)
+ return TRUE;
+
+ /* Test for processor-specific extensions. */
+ if (cpu_is_member (cpu, insn->membership))
+ return TRUE;
+ }
+ return FALSE;
+}
/* This is a list of macro expanded instructions.
_I appended means immediate
- _A appended means address
- _AB appended means address with base register
+ _A appended means target address of a jump
+ _AB appended means address with (possibly zero) base register
_D appended means 64 bit floating point constant
_S appended means 32 bit floating point constant. */
@@ -882,12 +1327,10 @@ enum
{
M_ABS,
M_ACLR_AB,
- M_ACLR_OB,
M_ADD_I,
M_ADDU_I,
M_AND_I,
M_ASET_AB,
- M_ASET_OB,
M_BALIGN,
M_BC1FL,
M_BC1TL,
@@ -944,7 +1387,7 @@ enum
M_BNE_I,
M_BNEL_I,
M_CACHE_AB,
- M_CACHE_OB,
+ M_CACHEE_AB,
M_DABS,
M_DADD_I,
M_DADDU_I,
@@ -952,8 +1395,6 @@ enum
M_DDIV_3I,
M_DDIVU_3,
M_DDIVU_3I,
- M_DEXT,
- M_DINS,
M_DIV_3,
M_DIV_3I,
M_DIVU_3,
@@ -981,72 +1422,57 @@ enum
M_JALS_1,
M_JALS_2,
M_JALS_A,
- M_L_DOB,
+ M_JRADDIUSP,
+ M_JRC,
M_L_DAB,
M_LA_AB,
- M_LB_A,
M_LB_AB,
- M_LBU_A,
+ M_LBE_AB,
M_LBU_AB,
+ M_LBUE_AB,
M_LCA_AB,
- M_LD_A,
- M_LD_OB,
M_LD_AB,
M_LDC1_AB,
M_LDC2_AB,
- M_LDC2_OB,
+ M_LQC2_AB,
M_LDC3_AB,
M_LDL_AB,
- M_LDL_OB,
M_LDM_AB,
- M_LDM_OB,
M_LDP_AB,
- M_LDP_OB,
M_LDR_AB,
- M_LDR_OB,
- M_LH_A,
M_LH_AB,
- M_LHU_A,
+ M_LHE_AB,
M_LHU_AB,
+ M_LHUE_AB,
M_LI,
M_LI_D,
M_LI_DD,
M_LI_S,
M_LI_SS,
M_LL_AB,
- M_LL_OB,
M_LLD_AB,
- M_LLD_OB,
- M_LS_A,
- M_LW_A,
+ M_LLE_AB,
+ M_LQ_AB,
M_LW_AB,
- M_LWC0_A,
+ M_LWE_AB,
M_LWC0_AB,
- M_LWC1_A,
M_LWC1_AB,
- M_LWC2_A,
M_LWC2_AB,
- M_LWC2_OB,
- M_LWC3_A,
M_LWC3_AB,
- M_LWL_A,
M_LWL_AB,
- M_LWL_OB,
+ M_LWLE_AB,
M_LWM_AB,
- M_LWM_OB,
M_LWP_AB,
- M_LWP_OB,
- M_LWR_A,
M_LWR_AB,
- M_LWR_OB,
+ M_LWRE_AB,
M_LWU_AB,
- M_LWU_OB,
M_MSGSND,
M_MSGLD,
M_MSGLD_T,
M_MSGWAIT,
M_MSGWAIT_T,
M_MOVE,
+ M_MOVEP,
M_MUL,
M_MUL_I,
M_MULO,
@@ -1056,7 +1482,7 @@ enum
M_NOR_I,
M_OR_I,
M_PREF_AB,
- M_PREF_OB,
+ M_PREFE_AB,
M_REM_3,
M_REM_3I,
M_REMU_3,
@@ -1070,32 +1496,22 @@ enum
M_DROR_I,
M_ROR_I,
M_S_DA,
- M_S_DOB,
M_S_DAB,
M_S_S,
M_SAA_AB,
- M_SAA_OB,
M_SAAD_AB,
- M_SAAD_OB,
M_SC_AB,
- M_SC_OB,
M_SCD_AB,
- M_SCD_OB,
- M_SD_A,
- M_SD_OB,
+ M_SCE_AB,
M_SD_AB,
M_SDC1_AB,
M_SDC2_AB,
- M_SDC2_OB,
+ M_SQC2_AB,
M_SDC3_AB,
M_SDL_AB,
- M_SDL_OB,
M_SDM_AB,
- M_SDM_OB,
M_SDP_AB,
- M_SDP_OB,
M_SDR_AB,
- M_SDR_OB,
M_SEQ,
M_SEQ_I,
M_SGE,
@@ -1114,31 +1530,23 @@ enum
M_SLTU_I,
M_SNE,
M_SNE_I,
- M_SB_A,
M_SB_AB,
- M_SH_A,
+ M_SBE_AB,
M_SH_AB,
- M_SW_A,
+ M_SHE_AB,
+ M_SQ_AB,
M_SW_AB,
- M_SWC0_A,
+ M_SWE_AB,
M_SWC0_AB,
- M_SWC1_A,
M_SWC1_AB,
- M_SWC2_A,
M_SWC2_AB,
- M_SWC2_OB,
- M_SWC3_A,
M_SWC3_AB,
- M_SWL_A,
M_SWL_AB,
- M_SWL_OB,
+ M_SWLE_AB,
M_SWM_AB,
- M_SWM_OB,
M_SWP_AB,
- M_SWP_OB,
- M_SWR_A,
M_SWR_AB,
- M_SWR_OB,
+ M_SWRE_AB,
M_SUB_I,
M_SUBU_I,
M_SUBU_I_2,
@@ -1150,20 +1558,13 @@ enum
M_TNE_I,
M_TRUNCWD,
M_TRUNCWS,
- M_ULD,
- M_ULD_A,
- M_ULH,
- M_ULH_A,
- M_ULHU,
- M_ULHU_A,
- M_ULW,
- M_ULW_A,
- M_USH,
- M_USH_A,
- M_USW,
- M_USW_A,
- M_USD,
- M_USD_A,
+ M_ULD_AB,
+ M_ULH_AB,
+ M_ULHU_AB,
+ M_ULW_AB,
+ M_USH_AB,
+ M_USW_AB,
+ M_USD_AB,
M_XOR_I,
M_COP0,
M_COP1,
@@ -1183,6 +1584,8 @@ enum
Many instructions are short hand for other instructions (i.e., The
jal <register> instruction is short for jalr <register>). */
+extern const struct mips_operand mips_vu0_channel_mask;
+extern const struct mips_operand *decode_mips_operand (const char *);
extern const struct mips_opcode mips_builtin_opcodes[];
extern const int bfd_mips_num_builtin_opcodes;
extern struct mips_opcode *mips_opcodes;
@@ -1268,10 +1671,13 @@ extern int bfd_mips_num_opcodes;
"Y" 5 bit MIPS register (MIPS16OP_*_REG32R)
"6" 6 bit unsigned break code (MIPS16OP_*_IMM6)
"a" 26 bit jump address
+ "i" likewise, but flips bit 0
"e" 11 bit extension value
"l" register list for entry instruction
"L" register list for exit instruction
+ "I" an immediate value used for macros
+
The remaining codes may be extended. Except as otherwise noted,
the full extended operand is a 16 bit signed value.
"<" 3 bit unsigned shift count * 0 (MIPS16OP_*_RZ) (full 5 bit unsigned)
@@ -1304,44 +1710,6 @@ extern int bfd_mips_num_opcodes;
#define MIPS16_ALL_ARGS 0xe
#define MIPS16_ALL_STATICS 0xb
-/* For the mips16, we use the same opcode table format and a few of
- the same flags. However, most of the flags are different. */
-
-/* Modifies the register in MIPS16OP_*_RX. */
-#define MIPS16_INSN_WRITE_X 0x00000001
-/* Modifies the register in MIPS16OP_*_RY. */
-#define MIPS16_INSN_WRITE_Y 0x00000002
-/* Modifies the register in MIPS16OP_*_RZ. */
-#define MIPS16_INSN_WRITE_Z 0x00000004
-/* Modifies the T ($24) register. */
-#define MIPS16_INSN_WRITE_T 0x00000008
-/* Modifies the SP ($29) register. */
-#define MIPS16_INSN_WRITE_SP 0x00000010
-/* Modifies the RA ($31) register. */
-#define MIPS16_INSN_WRITE_31 0x00000020
-/* Modifies the general purpose register in MIPS16OP_*_REG32R. */
-#define MIPS16_INSN_WRITE_GPR_Y 0x00000040
-/* Reads the register in MIPS16OP_*_RX. */
-#define MIPS16_INSN_READ_X 0x00000080
-/* Reads the register in MIPS16OP_*_RY. */
-#define MIPS16_INSN_READ_Y 0x00000100
-/* Reads the register in MIPS16OP_*_MOVE32Z. */
-#define MIPS16_INSN_READ_Z 0x00000200
-/* Reads the T ($24) register. */
-#define MIPS16_INSN_READ_T 0x00000400
-/* Reads the SP ($29) register. */
-#define MIPS16_INSN_READ_SP 0x00000800
-/* Reads the RA ($31) register. */
-#define MIPS16_INSN_READ_31 0x00001000
-/* Reads the program counter. */
-#define MIPS16_INSN_READ_PC 0x00002000
-/* Reads the general purpose register in MIPS16OP_*_REGR32. */
-#define MIPS16_INSN_READ_GPR_X 0x00004000
-/* Is an unconditional branch insn. */
-#define MIPS16_INSN_UNCOND_BRANCH 0x00008000
-/* Is a conditional branch insn. */
-#define MIPS16_INSN_COND_BRANCH 0x00010000
-
/* The following flags have the same value for the mips16 opcode
table:
@@ -1358,6 +1726,7 @@ extern int bfd_mips_num_opcodes;
FP_D (never used)
*/
+extern const struct mips_operand *decode_mips16_operand (char, bfd_boolean);
extern const struct mips_opcode mips16_opcodes[];
extern const int bfd_mips16_num_opcodes;
@@ -1438,8 +1807,6 @@ extern const int bfd_mips16_num_opcodes;
#define MICROMIPSOP_SH_MG 0
#define MICROMIPSOP_MASK_MH 0x7
#define MICROMIPSOP_SH_MH 7
-#define MICROMIPSOP_MASK_MI 0x7
-#define MICROMIPSOP_SH_MI 7
#define MICROMIPSOP_MASK_MJ 0x1f
#define MICROMIPSOP_SH_MJ 0
#define MICROMIPSOP_MASK_ML 0x7
@@ -1494,6 +1861,24 @@ extern const int bfd_mips16_num_opcodes;
#define MICROMIPSOP_MASK_IMMY 0x1ff
#define MICROMIPSOP_SH_IMMY 1
+/* MIPS DSP ASE */
+#define MICROMIPSOP_MASK_DSPACC 0x3
+#define MICROMIPSOP_SH_DSPACC 14
+#define MICROMIPSOP_MASK_DSPSFT 0x3f
+#define MICROMIPSOP_SH_DSPSFT 16
+#define MICROMIPSOP_MASK_SA3 0x7
+#define MICROMIPSOP_SH_SA3 13
+#define MICROMIPSOP_MASK_SA4 0xf
+#define MICROMIPSOP_SH_SA4 12
+#define MICROMIPSOP_MASK_IMM8 0xff
+#define MICROMIPSOP_SH_IMM8 13
+#define MICROMIPSOP_MASK_IMM10 0x3ff
+#define MICROMIPSOP_SH_IMM10 16
+#define MICROMIPSOP_MASK_WRDSP 0x3f
+#define MICROMIPSOP_SH_WRDSP 14
+#define MICROMIPSOP_MASK_BP 0x3
+#define MICROMIPSOP_SH_BP 14
+
/* Placeholders for fields that only exist in the traditional 32-bit
instruction encoding; see the comment above for details. */
#define MICROMIPSOP_MASK_CODE20 0
@@ -1508,28 +1893,12 @@ extern const int bfd_mips16_num_opcodes;
#define MICROMIPSOP_SH_VECBYTE 0
#define MICROMIPSOP_MASK_VECALIGN 0
#define MICROMIPSOP_SH_VECALIGN 0
-#define MICROMIPSOP_MASK_DSPACC 0
-#define MICROMIPSOP_SH_DSPACC 0
#define MICROMIPSOP_MASK_DSPACC_S 0
#define MICROMIPSOP_SH_DSPACC_S 0
-#define MICROMIPSOP_MASK_DSPSFT 0
-#define MICROMIPSOP_SH_DSPSFT 0
#define MICROMIPSOP_MASK_DSPSFT_7 0
#define MICROMIPSOP_SH_DSPSFT_7 0
-#define MICROMIPSOP_MASK_SA3 0
-#define MICROMIPSOP_SH_SA3 0
-#define MICROMIPSOP_MASK_SA4 0
-#define MICROMIPSOP_SH_SA4 0
-#define MICROMIPSOP_MASK_IMM8 0
-#define MICROMIPSOP_SH_IMM8 0
-#define MICROMIPSOP_MASK_IMM10 0
-#define MICROMIPSOP_SH_IMM10 0
-#define MICROMIPSOP_MASK_WRDSP 0
-#define MICROMIPSOP_SH_WRDSP 0
#define MICROMIPSOP_MASK_RDDSP 0
#define MICROMIPSOP_SH_RDDSP 0
-#define MICROMIPSOP_MASK_BP 0
-#define MICROMIPSOP_SH_BP 0
#define MICROMIPSOP_MASK_MT_U 0
#define MICROMIPSOP_SH_MT_U 0
#define MICROMIPSOP_MASK_MT_H 0
@@ -1557,6 +1926,10 @@ extern const int bfd_mips16_num_opcodes;
#define MICROMIPSOP_SH_FZ 0
#define MICROMIPSOP_MASK_FZ 0
+/* microMIPS Enhanced VA Scheme */
+#define MICROMIPSOP_SH_EVAOFFSET 0
+#define MICROMIPSOP_MASK_EVAOFFSET 0x1ff
+
/* These are the characters which may appears in the args field of a microMIPS
instruction. They appear in the order in which the fields appear
when the instruction is used. Commas and parentheses in the args
@@ -1573,9 +1946,7 @@ extern const int bfd_mips16_num_opcodes;
The same register used as both source and target.
"mf" 3-bit MIPS registers 2-7, 16, 17 (MICROMIPSOP_*_MF) at bit 3
"mg" 3-bit MIPS registers 2-7, 16, 17 (MICROMIPSOP_*_MG) at bit 0
- "mh" MIPS registers 4, 5, 6 (MICROMIPSOP_*_MH) at bit 7
- "mi" MIPS registers 5, 6, 7, 21, 22 (MICROMIPSOP_*_MI) at bit 7
- ("mh" and "mi" form a valid 3-bit register pair)
+ "mh" 3-bit MIPS register pair (MICROMIPSOP_*_MH) at bit 7
"mj" 5-bit MIPS registers (MICROMIPSOP_*_MJ) at bit 0
"ml" 3-bit MIPS registers 2-7, 16, 17 (MICROMIPSOP_*_ML) at bit 4
"mm" 3-bit MIPS registers 0, 2, 3, 16-20 (MICROMIPSOP_*_MM) at bit 1
@@ -1616,7 +1987,7 @@ extern const int bfd_mips16_num_opcodes;
others too).
"." 10-bit signed offset/number (MICROMIPSOP_*_OFFSET10)
- "1" 5-bit sync type (MICROMIPSOP_*_SHAMT)
+ "1" 5-bit sync type (MICROMIPSOP_*_STYPE)
"<" 5-bit shift amount (MICROMIPSOP_*_SHAMT)
">" shift amount between 32 and 63, stored after subtracting 32
(MICROMIPSOP_*_SHAMT)
@@ -1624,6 +1995,7 @@ extern const int bfd_mips16_num_opcodes;
"|" 4-bit trap code (MICROMIPSOP_*_TRAP)
"~" 12-bit signed offset (MICROMIPSOP_*_OFFSET12)
"a" 26-bit target address (MICROMIPSOP_*_TARGET)
+ "+i" likewise, but flips bit 0
"b" 5-bit base register (MICROMIPSOP_*_RS)
"c" 10-bit higher breakpoint code (MICROMIPSOP_*_CODE)
"d" 5-bit destination register specifier (MICROMIPSOP_*_RD)
@@ -1688,20 +2060,59 @@ extern const int bfd_mips16_num_opcodes;
Coprocessor instructions:
"E" 5-bit target register (MICROMIPSOP_*_RT)
- "G" 5-bit destination register (MICROMIPSOP_*_RD)
+ "G" 5-bit source register (MICROMIPSOP_*_RS)
"H" 3-bit sel field for (D)MTC* and (D)MFC* (MICROMIPSOP_*_SEL)
- "+D" combined destination register ("G") and sel ("H") for CP0 ops,
- for pretty-printing in disassembly only
Macro instructions:
"A" general 32 bit expression
"I" 32-bit immediate (value placed in imm_expr).
- "+I" 32-bit immediate (value placed in imm2_expr).
"F" 64-bit floating point constant in .rdata
"L" 64-bit floating point constant in .lit8
"f" 32-bit floating point constant
"l" 32-bit floating point constant in .lit4
+ DSP ASE usage:
+ "2" 2-bit unsigned immediate for byte align (MICROMIPSOP_*_BP)
+ "3" 3-bit unsigned immediate (MICROMIPSOP_*_SA3)
+ "4" 4-bit unsigned immediate (MICROMIPSOP_*_SA4)
+ "5" 8-bit unsigned immediate (MICROMIPSOP_*_IMM8)
+ "6" 5-bit unsigned immediate (MICROMIPSOP_*_RS)
+ "7" 2-bit DSP accumulator register (MICROMIPSOP_*_DSPACC)
+ "8" 6-bit unsigned immediate (MICROMIPSOP_*_WRDSP)
+ "0" 6-bit signed immediate (MICROMIPSOP_*_DSPSFT)
+ "@" 10-bit signed immediate (MICROMIPSOP_*_IMM10)
+ "^" 5-bit unsigned immediate (MICROMIPSOP_*_RD)
+
+ microMIPS Enhanced VA Scheme:
+ "+j" 9-bit signed offset in bit 0 (OP_*_EVAOFFSET)
+
+ MSA Extension:
+ "+d" 5-bit MSA register (FD)
+ "+e" 5-bit MSA register (FS)
+ "+h" 5-bit MSA register (FT)
+ "+k" 5-bit GPR at bit 6
+ "+l" 5-bit MSA control register at bit 6
+ "+n" 5-bit MSA control register at bit 11
+ "+o" 5-bit vector element index at bit 16
+ "+u" 4-bit vector element index at bit 16
+ "+v" 3-bit vector element index at bit 16
+ "+w" 2-bit vector element index at bit 16
+ "+x" 5-bit shift amount at bit 16
+ "+T" (-512 .. 511) << 0 at bit 16
+ "+U" (-512 .. 511) << 1 at bit 16
+ "+V" (-512 .. 511) << 2 at bit 16
+ "+W" (-512 .. 511) << 3 at bit 16
+ "+~" 2 bit LSA/DLSA shift amount from 1 to 4 at bit 6
+ "+!" 3 bit unsigned bit position at bit 16
+ "+@" 4 bit unsigned bit position at bit 16
+ "+#" 6 bit unsigned bit position at bit 16
+ "+$" 5 bit unsigned immediate at bit 16
+ "+%" 5 bit signed immediate at bit 16
+ "+^" 10 bit signed immediate at bit 11
+ "+&" 0 vector element index
+ "+*" 5-bit register vector element index at bit 16
+ "+|" 8-bit mask at bit 16
+
Other:
"()" parens surrounding optional value
"," separates operands
@@ -1709,17 +2120,17 @@ extern const int bfd_mips16_num_opcodes;
"m" start of microMIPS extension sequence
Characters used so far, for quick reference when adding more:
- "1234567890"
- "<>(),+.\|~"
+ "12345678 0"
+ "<>(),+.@\^|~"
"ABCDEFGHI KLMN RST V "
"abcd f hijklmnopqrstuvw yz"
Extension character sequences used so far ("+" followed by the
following), for quick reference when adding more:
""
- ""
- "ABCDEFGHI"
- ""
+ "~!@#$%^&*|"
+ "ABCEFGHTUVW"
+ "dehijklnouvwx"
Extension character sequences used so far ("m" followed by the
following), for quick reference when adding more:
@@ -1729,6 +2140,7 @@ extern const int bfd_mips16_num_opcodes;
" bcdefghij lmn pq st xyz"
*/
+extern const struct mips_operand *decode_micromips_operand (const char *);
extern const struct mips_opcode micromips_opcodes[];
extern const int bfd_micromips_num_opcodes;
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