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-rw-r--r--opcodes/arc-opc.c147
1 files changed, 147 insertions, 0 deletions
diff --git a/opcodes/arc-opc.c b/opcodes/arc-opc.c
index f126fa8..82aaf1e 100644
--- a/opcodes/arc-opc.c
+++ b/opcodes/arc-opc.c
@@ -26,6 +26,12 @@
#include "opintl.h"
#include "libiberty.h"
+/* ARC NPS400 Support: The ARC NPS400 core is an ARC700 with some custom
+ instructions. Support for this target is available when binutils is
+ configured and built for the 'arc*-mellanox-*-*' target. As far as
+ possible all ARC NPS400 features are built into all ARC target builds as
+ this reduces the chances that regressions might creep in. */
+
/* Insert RB register into a 32-bit opcode. */
static unsigned
insert_rb (unsigned insn,
@@ -637,6 +643,104 @@ extract_g_s (unsigned insn ATTRIBUTE_UNUSED,
return value;
}
+/* ARC NPS400 Support: See comment near head of file. */
+static unsigned
+insert_nps_3bit_dst (unsigned insn ATTRIBUTE_UNUSED,
+ int value ATTRIBUTE_UNUSED,
+ const char **errmsg ATTRIBUTE_UNUSED)
+{
+ switch (value)
+ {
+ case 0:
+ case 1:
+ case 2:
+ case 3:
+ insn |= value << 24;
+ break;
+ case 12:
+ case 13:
+ case 14:
+ case 15:
+ insn |= (value - 8) << 24;
+ break;
+ default:
+ *errmsg = _("Register must be either r0-r3 or r12-r15.");
+ break;
+ }
+ return insn;
+}
+
+static int
+extract_nps_3bit_dst (unsigned insn ATTRIBUTE_UNUSED,
+ bfd_boolean * invalid ATTRIBUTE_UNUSED)
+{
+ int value = (insn >> 24) & 0x07;
+ if (value > 3)
+ return (value + 8);
+ else
+ return value;
+}
+
+static unsigned
+insert_nps_3bit_src2 (unsigned insn ATTRIBUTE_UNUSED,
+ int value ATTRIBUTE_UNUSED,
+ const char **errmsg ATTRIBUTE_UNUSED)
+{
+ switch (value)
+ {
+ case 0:
+ case 1:
+ case 2:
+ case 3:
+ insn |= value << 21;
+ break;
+ case 12:
+ case 13:
+ case 14:
+ case 15:
+ insn |= (value - 8) << 21;
+ break;
+ default:
+ *errmsg = _("Register must be either r0-r3 or r12-r15.");
+ break;
+ }
+ return insn;
+}
+
+static int
+extract_nps_3bit_src2 (unsigned insn ATTRIBUTE_UNUSED,
+ bfd_boolean * invalid ATTRIBUTE_UNUSED)
+{
+ int value = (insn >> 21) & 0x07;
+ if (value > 3)
+ return (value + 8);
+ else
+ return value;
+}
+
+static unsigned
+insert_nps_bitop_size (unsigned insn ATTRIBUTE_UNUSED,
+ int value ATTRIBUTE_UNUSED,
+ const char **errmsg ATTRIBUTE_UNUSED)
+{
+ if (value < 1 || value > 32)
+ {
+ *errmsg = _("Invalid bit size, should be between 1 and 32 inclusive.");
+ return insn;
+ }
+
+ --value;
+ insn |= ((value & 0x1f) << 10);
+ return insn;
+}
+
+static int
+extract_nps_bitop_size (unsigned insn ATTRIBUTE_UNUSED,
+ bfd_boolean * invalid ATTRIBUTE_UNUSED)
+{
+ return ((insn >> 10) & 0x1f) + 1;
+}
+
/* Include the generic extract/insert functions. Order is important
as some of the functions present in the .h may be disabled via
defines. */
@@ -792,6 +896,13 @@ const struct arc_flag_operand arc_flag_operands[] =
/* Fake Flags. */
#define F_NE (F_H17 + 1)
{ "ne", 0, 0, 0, 1 },
+
+ /* ARC NPS400 Support: See comment near head of file. */
+#define F_NPS_CL (F_NE + 1)
+ { "cl", 0, 0, 0, 1 },
+
+#define F_NPS_FLAG (F_NPS_CL + 1)
+ { "f", 1, 1, 20, 1 },
};
const unsigned arc_num_flag_operands = ARRAY_SIZE (arc_flag_operands);
@@ -863,6 +974,13 @@ const struct arc_flag_class arc_flag_classes[] =
#define C_NE (C_AS + 1)
{ F_CLASS_OPTIONAL, { F_NE, F_NULL}},
+
+ /* ARC NPS400 Support: See comment near head of file. */
+#define C_NPS_CL (C_NE + 1)
+ { F_CLASS_REQUIRED, { F_NPS_CL, F_NULL}},
+
+#define C_NPS_F (C_NPS_CL + 1)
+ { F_CLASS_OPTIONAL, { F_NPS_FLAG, F_NULL}},
};
/* The operands table.
@@ -1181,6 +1299,34 @@ const struct arc_operand arc_operands[] =
/* UIMM6_5_S mask = 0000011111100000. */
#define UIMM6_5_S (W6 + 1)
{6, 0, 0, ARC_OPERAND_UNSIGNED, insert_uimm6_5_s, extract_uimm6_5_s},
+
+ /* ARC NPS400 Support: See comment near head of file. */
+#define NPS_R_DST_3B (UIMM6_5_S + 1)
+ { 3, 24, 0, ARC_OPERAND_IR | ARC_OPERAND_NCHK, insert_nps_3bit_dst, extract_nps_3bit_dst },
+
+#define NPS_R_SRC1_3B (NPS_R_DST_3B + 1)
+ { 3, 24, 0, ARC_OPERAND_IR | ARC_OPERAND_DUPLICATE | ARC_OPERAND_NCHK, insert_nps_3bit_dst, extract_nps_3bit_dst },
+
+#define NPS_R_SRC2_3B (NPS_R_SRC1_3B + 1)
+ { 3, 21, 0, ARC_OPERAND_IR | ARC_OPERAND_NCHK, insert_nps_3bit_src2, extract_nps_3bit_src2 },
+
+#define NPS_R_DST (NPS_R_SRC2_3B + 1)
+ { 6, 21, 0, ARC_OPERAND_IR | ARC_OPERAND_NCHK, NULL, NULL },
+
+#define NPS_R_SRC1 (NPS_R_DST + 1)
+ { 6, 21, 0, ARC_OPERAND_IR | ARC_OPERAND_DUPLICATE | ARC_OPERAND_NCHK, NULL, NULL },
+
+#define NPS_BITOP_DST_POS (NPS_R_SRC1 + 1)
+ { 5, 5, 0, ARC_OPERAND_UNSIGNED, 0, 0 },
+
+#define NPS_BITOP_SRC_POS (NPS_BITOP_DST_POS + 1)
+ { 5, 0, 0, ARC_OPERAND_UNSIGNED, 0, 0 },
+
+#define NPS_BITOP_SIZE (NPS_BITOP_SRC_POS + 1)
+ { 5, 10, 0, ARC_OPERAND_UNSIGNED, insert_nps_bitop_size, extract_nps_bitop_size },
+
+#define NPS_UIMM16 (NPS_BITOP_SIZE + 1)
+ { 16, 0, 0, ARC_OPERAND_UNSIGNED, NULL, NULL },
};
const unsigned arc_num_operands = ARRAY_SIZE (arc_operands);
@@ -1196,6 +1342,7 @@ const unsigned arc_NToperand = FKT_NT;
const struct arc_opcode arc_opcodes[] =
{
#include "arc-tbl.h"
+#include "arc-nps400-tbl.h"
};
const unsigned arc_num_opcodes = ARRAY_SIZE (arc_opcodes);