/* riscv.h. RISC-V opcode list for GDB, the GNU debugger.
- Copyright (C) 2011-2017 Free Software Foundation, Inc.
+ Copyright (C) 2011-2021 Free Software Foundation, Inc.
Contributed by Andrew Waterman
This file is part of GDB, GAS, and the GNU binutils.
static inline unsigned int riscv_insn_length (insn_t insn)
{
- if ((insn & 0x3) != 0x3) /* RVC. */
+ if ((insn & 0x3) != 0x3) /* RVC instructions. */
return 2;
- if ((insn & 0x1f) != 0x1f) /* Base ISA and extensions in 32-bit space. */
+ if ((insn & 0x1f) != 0x1f) /* 32-bit instructions. */
return 4;
- if ((insn & 0x3f) == 0x1f) /* 48-bit extensions. */
+ if ((insn & 0x3f) == 0x1f) /* 48-bit instructions. */
return 6;
- if ((insn & 0x7f) == 0x3f) /* 64-bit extensions. */
+ if ((insn & 0x7f) == 0x3f) /* 64-bit instructions. */
return 8;
/* Longer instructions not supported at the moment. */
return 2;
(RV_X(x, 20, 12) | (RV_IMM_SIGN(x) << 12))
#define EXTRACT_STYPE_IMM(x) \
(RV_X(x, 7, 5) | (RV_X(x, 25, 7) << 5) | (RV_IMM_SIGN(x) << 12))
-#define EXTRACT_SBTYPE_IMM(x) \
+#define EXTRACT_BTYPE_IMM(x) \
((RV_X(x, 8, 4) << 1) | (RV_X(x, 25, 6) << 5) | (RV_X(x, 7, 1) << 11) | (RV_IMM_SIGN(x) << 12))
#define EXTRACT_UTYPE_IMM(x) \
((RV_X(x, 12, 20) << 12) | (RV_IMM_SIGN(x) << 32))
-#define EXTRACT_UJTYPE_IMM(x) \
+#define EXTRACT_JTYPE_IMM(x) \
((RV_X(x, 21, 10) << 1) | (RV_X(x, 20, 1) << 11) | (RV_X(x, 12, 8) << 12) | (RV_IMM_SIGN(x) << 20))
-#define EXTRACT_RVC_IMM(x) \
+#define EXTRACT_CITYPE_IMM(x) \
(RV_X(x, 2, 5) | (-RV_X(x, 12, 1) << 5))
-#define EXTRACT_RVC_LUI_IMM(x) \
- (EXTRACT_RVC_IMM (x) << RISCV_IMM_BITS)
-#define EXTRACT_RVC_SIMM3(x) \
- (RV_X(x, 10, 2) | (-RV_X(x, 12, 1) << 2))
-#define EXTRACT_RVC_ADDI4SPN_IMM(x) \
- ((RV_X(x, 6, 1) << 2) | (RV_X(x, 5, 1) << 3) | (RV_X(x, 11, 2) << 4) | (RV_X(x, 7, 4) << 6))
-#define EXTRACT_RVC_ADDI16SP_IMM(x) \
+#define EXTRACT_CITYPE_LUI_IMM(x) \
+ (EXTRACT_CITYPE_IMM (x) << RISCV_IMM_BITS)
+#define EXTRACT_CITYPE_ADDI16SP_IMM(x) \
((RV_X(x, 6, 1) << 4) | (RV_X(x, 2, 1) << 5) | (RV_X(x, 5, 1) << 6) | (RV_X(x, 3, 2) << 7) | (-RV_X(x, 12, 1) << 9))
-#define EXTRACT_RVC_LW_IMM(x) \
- ((RV_X(x, 6, 1) << 2) | (RV_X(x, 10, 3) << 3) | (RV_X(x, 5, 1) << 6))
-#define EXTRACT_RVC_LD_IMM(x) \
- ((RV_X(x, 10, 3) << 3) | (RV_X(x, 5, 2) << 6))
-#define EXTRACT_RVC_LWSP_IMM(x) \
+#define EXTRACT_CITYPE_LWSP_IMM(x) \
((RV_X(x, 4, 3) << 2) | (RV_X(x, 12, 1) << 5) | (RV_X(x, 2, 2) << 6))
-#define EXTRACT_RVC_LDSP_IMM(x) \
+#define EXTRACT_CITYPE_LDSP_IMM(x) \
((RV_X(x, 5, 2) << 3) | (RV_X(x, 12, 1) << 5) | (RV_X(x, 2, 3) << 6))
-#define EXTRACT_RVC_SWSP_IMM(x) \
+#define EXTRACT_CSSTYPE_IMM(x) \
+ (RV_X(x, 7, 6) << 0)
+#define EXTRACT_CSSTYPE_SWSP_IMM(x) \
((RV_X(x, 9, 4) << 2) | (RV_X(x, 7, 2) << 6))
-#define EXTRACT_RVC_SDSP_IMM(x) \
+#define EXTRACT_CSSTYPE_SDSP_IMM(x) \
((RV_X(x, 10, 3) << 3) | (RV_X(x, 7, 3) << 6))
-#define EXTRACT_RVC_B_IMM(x) \
+#define EXTRACT_CIWTYPE_IMM(x) \
+ (RV_X(x, 5, 8))
+#define EXTRACT_CIWTYPE_ADDI4SPN_IMM(x) \
+ ((RV_X(x, 6, 1) << 2) | (RV_X(x, 5, 1) << 3) | (RV_X(x, 11, 2) << 4) | (RV_X(x, 7, 4) << 6))
+#define EXTRACT_CLTYPE_IMM(x) \
+ ((RV_X(x, 5, 2) << 0) | (RV_X(x, 10, 3) << 2))
+#define EXTRACT_CLTYPE_LW_IMM(x) \
+ ((RV_X(x, 6, 1) << 2) | (RV_X(x, 10, 3) << 3) | (RV_X(x, 5, 1) << 6))
+#define EXTRACT_CLTYPE_LD_IMM(x) \
+ ((RV_X(x, 10, 3) << 3) | (RV_X(x, 5, 2) << 6))
+#define EXTRACT_CBTYPE_IMM(x) \
((RV_X(x, 3, 2) << 1) | (RV_X(x, 10, 2) << 3) | (RV_X(x, 2, 1) << 5) | (RV_X(x, 5, 2) << 6) | (-RV_X(x, 12, 1) << 8))
-#define EXTRACT_RVC_J_IMM(x) \
+#define EXTRACT_CJTYPE_IMM(x) \
((RV_X(x, 3, 3) << 1) | (RV_X(x, 11, 1) << 4) | (RV_X(x, 2, 1) << 5) | (RV_X(x, 7, 1) << 6) | (RV_X(x, 6, 1) << 7) | (RV_X(x, 9, 2) << 8) | (RV_X(x, 8, 1) << 10) | (-RV_X(x, 12, 1) << 11))
#define ENCODE_ITYPE_IMM(x) \
(RV_X(x, 0, 12) << 20)
#define ENCODE_STYPE_IMM(x) \
((RV_X(x, 0, 5) << 7) | (RV_X(x, 5, 7) << 25))
-#define ENCODE_SBTYPE_IMM(x) \
+#define ENCODE_BTYPE_IMM(x) \
((RV_X(x, 1, 4) << 8) | (RV_X(x, 5, 6) << 25) | (RV_X(x, 11, 1) << 7) | (RV_X(x, 12, 1) << 31))
#define ENCODE_UTYPE_IMM(x) \
(RV_X(x, 12, 20) << 12)
-#define ENCODE_UJTYPE_IMM(x) \
+#define ENCODE_JTYPE_IMM(x) \
((RV_X(x, 1, 10) << 21) | (RV_X(x, 11, 1) << 20) | (RV_X(x, 12, 8) << 12) | (RV_X(x, 20, 1) << 31))
-#define ENCODE_RVC_IMM(x) \
+#define ENCODE_CITYPE_IMM(x) \
((RV_X(x, 0, 5) << 2) | (RV_X(x, 5, 1) << 12))
-#define ENCODE_RVC_LUI_IMM(x) \
- ENCODE_RVC_IMM ((x) >> RISCV_IMM_BITS)
-#define ENCODE_RVC_SIMM3(x) \
- (RV_X(x, 0, 3) << 10)
-#define ENCODE_RVC_ADDI4SPN_IMM(x) \
- ((RV_X(x, 2, 1) << 6) | (RV_X(x, 3, 1) << 5) | (RV_X(x, 4, 2) << 11) | (RV_X(x, 6, 4) << 7))
-#define ENCODE_RVC_ADDI16SP_IMM(x) \
+#define ENCODE_CITYPE_LUI_IMM(x) \
+ ENCODE_CITYPE_IMM ((x) >> RISCV_IMM_BITS)
+#define ENCODE_CITYPE_ADDI16SP_IMM(x) \
((RV_X(x, 4, 1) << 6) | (RV_X(x, 5, 1) << 2) | (RV_X(x, 6, 1) << 5) | (RV_X(x, 7, 2) << 3) | (RV_X(x, 9, 1) << 12))
-#define ENCODE_RVC_LW_IMM(x) \
- ((RV_X(x, 2, 1) << 6) | (RV_X(x, 3, 3) << 10) | (RV_X(x, 6, 1) << 5))
-#define ENCODE_RVC_LD_IMM(x) \
- ((RV_X(x, 3, 3) << 10) | (RV_X(x, 6, 2) << 5))
-#define ENCODE_RVC_LWSP_IMM(x) \
+#define ENCODE_CITYPE_LWSP_IMM(x) \
((RV_X(x, 2, 3) << 4) | (RV_X(x, 5, 1) << 12) | (RV_X(x, 6, 2) << 2))
-#define ENCODE_RVC_LDSP_IMM(x) \
+#define ENCODE_CITYPE_LDSP_IMM(x) \
((RV_X(x, 3, 2) << 5) | (RV_X(x, 5, 1) << 12) | (RV_X(x, 6, 3) << 2))
-#define ENCODE_RVC_SWSP_IMM(x) \
+#define ENCODE_CSSTYPE_IMM(x) \
+ (RV_X(x, 0, 6) << 7)
+#define ENCODE_CSSTYPE_SWSP_IMM(x) \
((RV_X(x, 2, 4) << 9) | (RV_X(x, 6, 2) << 7))
-#define ENCODE_RVC_SDSP_IMM(x) \
+#define ENCODE_CSSTYPE_SDSP_IMM(x) \
((RV_X(x, 3, 3) << 10) | (RV_X(x, 6, 3) << 7))
-#define ENCODE_RVC_B_IMM(x) \
+#define ENCODE_CIWTYPE_IMM(x) \
+ (RV_X(x, 0, 8) << 5)
+#define ENCODE_CIWTYPE_ADDI4SPN_IMM(x) \
+ ((RV_X(x, 2, 1) << 6) | (RV_X(x, 3, 1) << 5) | (RV_X(x, 4, 2) << 11) | (RV_X(x, 6, 4) << 7))
+#define ENCODE_CLTYPE_IMM(x) \
+ ((RV_X(x, 0, 2) << 5) | (RV_X(x, 2, 3) << 10))
+#define ENCODE_CLTYPE_LW_IMM(x) \
+ ((RV_X(x, 2, 1) << 6) | (RV_X(x, 3, 3) << 10) | (RV_X(x, 6, 1) << 5))
+#define ENCODE_CLTYPE_LD_IMM(x) \
+ ((RV_X(x, 3, 3) << 10) | (RV_X(x, 6, 2) << 5))
+#define ENCODE_CBTYPE_IMM(x) \
((RV_X(x, 1, 2) << 3) | (RV_X(x, 3, 2) << 10) | (RV_X(x, 5, 1) << 2) | (RV_X(x, 6, 2) << 5) | (RV_X(x, 8, 1) << 12))
-#define ENCODE_RVC_J_IMM(x) \
+#define ENCODE_CJTYPE_IMM(x) \
((RV_X(x, 1, 3) << 3) | (RV_X(x, 4, 1) << 11) | (RV_X(x, 5, 1) << 2) | (RV_X(x, 6, 1) << 7) | (RV_X(x, 7, 1) << 6) | (RV_X(x, 8, 2) << 9) | (RV_X(x, 10, 1) << 8) | (RV_X(x, 11, 1) << 12))
#define VALID_ITYPE_IMM(x) (EXTRACT_ITYPE_IMM(ENCODE_ITYPE_IMM(x)) == (x))
#define VALID_STYPE_IMM(x) (EXTRACT_STYPE_IMM(ENCODE_STYPE_IMM(x)) == (x))
-#define VALID_SBTYPE_IMM(x) (EXTRACT_SBTYPE_IMM(ENCODE_SBTYPE_IMM(x)) == (x))
+#define VALID_BTYPE_IMM(x) (EXTRACT_BTYPE_IMM(ENCODE_BTYPE_IMM(x)) == (x))
#define VALID_UTYPE_IMM(x) (EXTRACT_UTYPE_IMM(ENCODE_UTYPE_IMM(x)) == (x))
-#define VALID_UJTYPE_IMM(x) (EXTRACT_UJTYPE_IMM(ENCODE_UJTYPE_IMM(x)) == (x))
-#define VALID_RVC_IMM(x) (EXTRACT_RVC_IMM(ENCODE_RVC_IMM(x)) == (x))
-#define VALID_RVC_LUI_IMM(x) (EXTRACT_RVC_LUI_IMM(ENCODE_RVC_LUI_IMM(x)) == (x))
-#define VALID_RVC_SIMM3(x) (EXTRACT_RVC_SIMM3(ENCODE_RVC_SIMM3(x)) == (x))
-#define VALID_RVC_ADDI4SPN_IMM(x) (EXTRACT_RVC_ADDI4SPN_IMM(ENCODE_RVC_ADDI4SPN_IMM(x)) == (x))
-#define VALID_RVC_ADDI16SP_IMM(x) (EXTRACT_RVC_ADDI16SP_IMM(ENCODE_RVC_ADDI16SP_IMM(x)) == (x))
-#define VALID_RVC_LW_IMM(x) (EXTRACT_RVC_LW_IMM(ENCODE_RVC_LW_IMM(x)) == (x))
-#define VALID_RVC_LD_IMM(x) (EXTRACT_RVC_LD_IMM(ENCODE_RVC_LD_IMM(x)) == (x))
-#define VALID_RVC_LWSP_IMM(x) (EXTRACT_RVC_LWSP_IMM(ENCODE_RVC_LWSP_IMM(x)) == (x))
-#define VALID_RVC_LDSP_IMM(x) (EXTRACT_RVC_LDSP_IMM(ENCODE_RVC_LDSP_IMM(x)) == (x))
-#define VALID_RVC_SWSP_IMM(x) (EXTRACT_RVC_SWSP_IMM(ENCODE_RVC_SWSP_IMM(x)) == (x))
-#define VALID_RVC_SDSP_IMM(x) (EXTRACT_RVC_SDSP_IMM(ENCODE_RVC_SDSP_IMM(x)) == (x))
-#define VALID_RVC_B_IMM(x) (EXTRACT_RVC_B_IMM(ENCODE_RVC_B_IMM(x)) == (x))
-#define VALID_RVC_J_IMM(x) (EXTRACT_RVC_J_IMM(ENCODE_RVC_J_IMM(x)) == (x))
+#define VALID_JTYPE_IMM(x) (EXTRACT_JTYPE_IMM(ENCODE_JTYPE_IMM(x)) == (x))
+#define VALID_CITYPE_IMM(x) (EXTRACT_CITYPE_IMM(ENCODE_CITYPE_IMM(x)) == (x))
+#define VALID_CITYPE_LUI_IMM(x) (ENCODE_CITYPE_LUI_IMM(x) != 0 \
+ && EXTRACT_CITYPE_LUI_IMM(ENCODE_CITYPE_LUI_IMM(x)) == (x))
+#define VALID_CITYPE_ADDI16SP_IMM(x) (ENCODE_CITYPE_ADDI16SP_IMM(x) != 0 \
+ && EXTRACT_CITYPE_ADDI16SP_IMM(ENCODE_CITYPE_ADDI16SP_IMM(x)) == (x))
+#define VALID_CITYPE_LWSP_IMM(x) (EXTRACT_CITYPE_LWSP_IMM(ENCODE_CITYPE_LWSP_IMM(x)) == (x))
+#define VALID_CITYPE_LDSP_IMM(x) (EXTRACT_CITYPE_LDSP_IMM(ENCODE_CITYPE_LDSP_IMM(x)) == (x))
+#define VALID_CSSTYPE_IMM(x) (EXTRACT_CSSTYPE_IMM(ENCODE_CSSTYPE_IMM(x)) == (x))
+#define VALID_CSSTYPE_SWSP_IMM(x) (EXTRACT_CSSTYPE_SWSP_IMM(ENCODE_CSSTYPE_SWSP_IMM(x)) == (x))
+#define VALID_CSSTYPE_SDSP_IMM(x) (EXTRACT_CSSTYPE_SDSP_IMM(ENCODE_CSSTYPE_SDSP_IMM(x)) == (x))
+#define VALID_CIWTYPE_IMM(x) (EXTRACT_CIWTYPE_IMM(ENCODE_CIWTYPE_IMM(x)) == (x))
+#define VALID_CIWTYPE_ADDI4SPN_IMM(x) (EXTRACT_CIWTYPE_ADDI4SPN_IMM(ENCODE_CIWTYPE_ADDI4SPN_IMM(x)) == (x))
+#define VALID_CLTYPE_IMM(x) (EXTRACT_CLTYPE_IMM(ENCODE_CLTYPE_IMM(x)) == (x))
+#define VALID_CLTYPE_LW_IMM(x) (EXTRACT_CLTYPE_LW_IMM(ENCODE_CLTYPE_LW_IMM(x)) == (x))
+#define VALID_CLTYPE_LD_IMM(x) (EXTRACT_CLTYPE_LD_IMM(ENCODE_CLTYPE_LD_IMM(x)) == (x))
+#define VALID_CBTYPE_IMM(x) (EXTRACT_CBTYPE_IMM(ENCODE_CBTYPE_IMM(x)) == (x))
+#define VALID_CJTYPE_IMM(x) (EXTRACT_CJTYPE_IMM(ENCODE_CJTYPE_IMM(x)) == (x))
#define RISCV_RTYPE(insn, rd, rs1, rs2) \
((MATCH_ ## insn) | ((rd) << OP_SH_RD) | ((rs1) << OP_SH_RS1) | ((rs2) << OP_SH_RS2))
((MATCH_ ## insn) | ((rd) << OP_SH_RD) | ((rs1) << OP_SH_RS1) | ENCODE_ITYPE_IMM(imm))
#define RISCV_STYPE(insn, rs1, rs2, imm) \
((MATCH_ ## insn) | ((rs1) << OP_SH_RS1) | ((rs2) << OP_SH_RS2) | ENCODE_STYPE_IMM(imm))
-#define RISCV_SBTYPE(insn, rs1, rs2, target) \
- ((MATCH_ ## insn) | ((rs1) << OP_SH_RS1) | ((rs2) << OP_SH_RS2) | ENCODE_SBTYPE_IMM(target))
+#define RISCV_BTYPE(insn, rs1, rs2, target) \
+ ((MATCH_ ## insn) | ((rs1) << OP_SH_RS1) | ((rs2) << OP_SH_RS2) | ENCODE_BTYPE_IMM(target))
#define RISCV_UTYPE(insn, rd, bigimm) \
((MATCH_ ## insn) | ((rd) << OP_SH_RD) | ENCODE_UTYPE_IMM(bigimm))
-#define RISCV_UJTYPE(insn, rd, target) \
- ((MATCH_ ## insn) | ((rd) << OP_SH_RD) | ENCODE_UJTYPE_IMM(target))
+#define RISCV_JTYPE(insn, rd, target) \
+ ((MATCH_ ## insn) | ((rd) << OP_SH_RD) | ENCODE_JTYPE_IMM(target))
#define RISCV_NOP RISCV_ITYPE(ADDI, 0, 0, 0)
#define RVC_NOP MATCH_C_ADDI
#define OP_SH_RS2 20
#define OP_MASK_RS1 0x1f
#define OP_SH_RS1 15
-#define OP_MASK_RS3 0x1f
+#define OP_MASK_RS3 0x1fU
#define OP_SH_RS3 27
#define OP_MASK_RD 0x1f
#define OP_SH_RD 7
#define OP_MASK_RL 0x1
#define OP_SH_RL 25
-#define OP_MASK_CUSTOM_IMM 0x7f
-#define OP_SH_CUSTOM_IMM 25
-#define OP_MASK_CSR 0xfff
+#define OP_MASK_CSR 0xfffU
#define OP_SH_CSR 20
+#define OP_MASK_FUNCT3 0x7
+#define OP_SH_FUNCT3 12
+#define OP_MASK_FUNCT7 0x7fU
+#define OP_SH_FUNCT7 25
+#define OP_MASK_FUNCT2 0x3
+#define OP_SH_FUNCT2 25
+
/* RVC fields. */
-#define OP_MASK_CRS2 0x1f
-#define OP_SH_CRS2 2
-#define OP_MASK_CRS1S 0x7
-#define OP_SH_CRS1S 7
-#define OP_MASK_CRS2S 0x7
-#define OP_SH_CRS2S 2
+#define OP_MASK_OP2 0x3
+#define OP_SH_OP2 0
+
+#define OP_MASK_CRS2 0x1f
+#define OP_SH_CRS2 2
+#define OP_MASK_CRS1S 0x7
+#define OP_SH_CRS1S 7
+#define OP_MASK_CRS2S 0x7
+#define OP_SH_CRS2S 2
+
+#define OP_MASK_CFUNCT6 0x3f
+#define OP_SH_CFUNCT6 10
+#define OP_MASK_CFUNCT4 0xf
+#define OP_SH_CFUNCT4 12
+#define OP_MASK_CFUNCT3 0x7
+#define OP_SH_CFUNCT3 13
+#define OP_MASK_CFUNCT2 0x3
+#define OP_SH_CFUNCT2 5
/* ABI names for selected x-registers. */
#define NGPR 32
#define NFPR 32
+/* These fake label defines are use by both the assembler, and
+ libopcodes. The assembler uses this when it needs to generate a fake
+ label, and libopcodes uses it to hide the fake labels in its output. */
+#define RISCV_FAKE_LABEL_NAME ".L0 "
+#define RISCV_FAKE_LABEL_CHAR ' '
+
/* Replace bits MASK << SHIFT of STRUCT with the equivalent bits in
VALUE << SHIFT. VALUE is evaluated exactly once. */
#define INSERT_BITS(STRUCT, VALUE, MASK, SHIFT) \
#define EXTRACT_OPERAND(FIELD, INSN) \
EXTRACT_BITS ((INSN), OP_MASK_##FIELD, OP_SH_##FIELD)
-/* This structure holds information for a particular instruction. */
+/* The maximal number of subset can be required. */
+#define MAX_SUBSET_NUM 4
+/* All RISC-V instructions belong to at least one of these classes. */
+enum riscv_insn_class
+{
+ INSN_CLASS_NONE,
+
+ INSN_CLASS_I,
+ INSN_CLASS_C,
+ INSN_CLASS_A,
+ INSN_CLASS_M,
+ INSN_CLASS_F,
+ INSN_CLASS_D,
+ INSN_CLASS_Q,
+ INSN_CLASS_F_AND_C,
+ INSN_CLASS_D_AND_C,
+ INSN_CLASS_ZICSR,
+ INSN_CLASS_ZIFENCEI,
+ INSN_CLASS_ZIHINTPAUSE,
+ INSN_CLASS_ZBA,
+ INSN_CLASS_ZBB,
+ INSN_CLASS_ZBC,
+};
+
+/* This structure holds information for a particular instruction. */
struct riscv_opcode
{
/* The name of the instruction. */
const char *name;
- /* The ISA subset name (I, M, A, F, D, Xextension). */
- const char *subset;
+
+ /* The requirement of xlen for the instruction, 0 if no requirement. */
+ unsigned xlen_requirement;
+
+ /* Class to which this instruction belongs. Used to decide whether or
+ not this instruction is legal in the current -march context. */
+ enum riscv_insn_class insn_class;
+
/* A string describing the arguments for this instruction. */
const char *args;
+
/* The basic opcode for the instruction. When assembling, this
opcode is modified by the arguments to produce the actual opcode
that is used. If pinfo is INSN_MACRO, then this is 0. */
insn_t match;
+
/* If pinfo is not INSN_MACRO, then this is a bit mask for the
relevant portions of the opcode when disassembling. If the
actual opcode anded with the match field equals the opcode field,
then we have found the correct instruction. If pinfo is
INSN_MACRO, then this field is the macro identifier. */
insn_t mask;
+
/* A function to determine if a word corresponds to this instruction.
Usually, this computes ((word & mask) == match). */
int (*match_func) (const struct riscv_opcode *op, insn_t word);
+
/* For a macro, this is INSN_MACRO. Otherwise, it is a collection
of bits describing the instruction, notably any relevant hazard
information. */
/* Instruction is a simple alias (e.g. "mv" for "addi"). */
#define INSN_ALIAS 0x00000001
+
+/* These are for setting insn_info fields.
+
+ Nonbranch is the default. Noninsn is used only if there is no match.
+ There are no condjsr or dref2 instructions. So that leaves condbranch,
+ branch, jsr, and dref that we need to handle here, encoded in 3 bits. */
+#define INSN_TYPE 0x0000000e
+
+/* Instruction is an unconditional branch. */
+#define INSN_BRANCH 0x00000002
+/* Instruction is a conditional branch. */
+#define INSN_CONDBRANCH 0x00000004
+/* Instruction is a jump to subroutine. */
+#define INSN_JSR 0x00000006
+/* Instruction is a data reference. */
+#define INSN_DREF 0x00000008
+
+/* We have 5 data reference sizes, which we can encode in 3 bits. */
+#define INSN_DATA_SIZE 0x00000070
+#define INSN_DATA_SIZE_SHIFT 4
+#define INSN_1_BYTE 0x00000010
+#define INSN_2_BYTE 0x00000020
+#define INSN_4_BYTE 0x00000030
+#define INSN_8_BYTE 0x00000040
+#define INSN_16_BYTE 0x00000050
+
/* Instruction is actually a macro. It should be ignored by the
disassembler, and requires special treatment by the assembler. */
#define INSN_MACRO 0xffffffff
-/* This is a list of macro expanded instructions.
-
- _I appended means immediate
- _A appended means address
- _AB appended means address with base register
- _D appended means 64 bit floating point constant
- _S appended means 32 bit floating point constant. */
-
+/* This is a list of macro expanded instructions. */
enum
{
M_LA,
M_CALL,
M_J,
M_LI,
+ M_ZEXTH,
+ M_ZEXTW,
+ M_SEXTB,
+ M_SEXTH,
M_NUM_MACROS
};
extern const char * const riscv_fpr_names_abi[NFPR];
extern const struct riscv_opcode riscv_opcodes[];
+extern const struct riscv_opcode riscv_insn_types[];
#endif /* _RISCV_H_ */
projects / binutils-gdb.git / blobdiff