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Diffstat (limited to 'opcodes/crx-opc.c')
-rw-r--r--opcodes/crx-opc.c168
1 files changed, 92 insertions, 76 deletions
diff --git a/opcodes/crx-opc.c b/opcodes/crx-opc.c
index a83f813..2d51ce1 100644
--- a/opcodes/crx-opc.c
+++ b/opcodes/crx-opc.c
@@ -345,29 +345,29 @@ const inst crx_instruction[] =
/* Load instructions (from memory to register). */
#define LD_REG_INST(NAME, OPC1, OPC2, DISP) \
- /* opc12 r abs16 */ \
- {NAME, 2, 0x320+OPC1, 20, LD_STOR_INS | REVERSE_MATCH, \
- {{abs16,0}, {regr,16}}}, \
- /* opc12 r abs32 */ \
- {NAME, 3, 0x330+OPC1, 20, LD_STOR_INS | REVERSE_MATCH, \
- {{abs32,0}, {regr,16}}}, \
- /* opc4 r rbase dispu[bwd]4 */ \
- {NAME, 1, 0x8+OPC2, 28, LD_STOR_INS | DISP | REVERSE_MATCH, \
- {{rbase_cst4,16}, {regr,24}}}, \
- /* opc4 r rbase disps16 */ \
- {NAME, 2, ((0x8+OPC2)<<8)+0xE, 20, LD_STOR_INS | DISP | FMT_1 | REVERSE_MATCH, \
- {{rbase_disps16,16}, {regr,24}}}, \
- /* opc4 r rbase disps32 */ \
- {NAME, 3, ((0x8+OPC2)<<8)+0xF, 20, LD_STOR_INS | FMT_1 | REVERSE_MATCH, \
- {{rbase_disps32,16}, {regr,24}}}, \
- /* opc12 r rbase ridx scl2 disps6 */ \
- {NAME, 2, 0x32C+OPC1, 20, LD_STOR_INS | REVERSE_MATCH, \
- {{rindex_disps6,0}, {regr,16}}}, \
- /* opc12 r rbase ridx scl2 disps22 */ \
- {NAME, 3, 0x33C+OPC1, 20, LD_STOR_INS | REVERSE_MATCH, \
- {{rindex_disps22,0}, {regr,16}}}, \
- /* opc12 r rbase disps12 */ \
- {NAME, 2, 0x328+OPC1, 20, LD_STOR_INS_INC | REVERSE_MATCH, \
+ /* opc12 r abs16 */ \
+ {NAME, 2, 0x320+OPC1, 20, LD_STOR_INS | REVERSE_MATCH, \
+ {{abs16,0}, {regr,16}}}, \
+ /* opc12 r abs32 */ \
+ {NAME, 3, 0x330+OPC1, 20, LD_STOR_INS | REVERSE_MATCH, \
+ {{abs32,0}, {regr,16}}}, \
+ /* opc4 r rbase dispu[bwd]4 */ \
+ {NAME, 1, 0x8+OPC2, 28, LD_STOR_INS | DISP | REVERSE_MATCH, \
+ {{rbase_dispu4,16}, {regr,24}}}, \
+ /* opc4 r rbase disps16 */ \
+ {NAME, 2, ((0x8+OPC2)<<8)+0xE, 20, LD_STOR_INS | FMT_1 | REVERSE_MATCH, \
+ {{rbase_disps16,16}, {regr,24}}}, \
+ /* opc4 r rbase disps32 */ \
+ {NAME, 3, ((0x8+OPC2)<<8)+0xF, 20, LD_STOR_INS | FMT_1 | REVERSE_MATCH, \
+ {{rbase_disps32,16}, {regr,24}}}, \
+ /* opc12 r rbase ridx scl2 disps6 */ \
+ {NAME, 2, 0x32C+OPC1, 20, LD_STOR_INS | REVERSE_MATCH, \
+ {{rindex_disps6,0}, {regr,16}}}, \
+ /* opc12 r rbase ridx scl2 disps22 */ \
+ {NAME, 3, 0x33C+OPC1, 20, LD_STOR_INS | REVERSE_MATCH, \
+ {{rindex_disps22,0}, {regr,16}}}, \
+ /* opc12 r rbase disps12 */ \
+ {NAME, 2, 0x328+OPC1, 20, LD_STOR_INS_INC | REVERSE_MATCH, \
{{rbase_disps12,12}, {regr,16}}}
LD_REG_INST ("loadb", 0x0, 0x0, DISPUB4),
@@ -376,23 +376,25 @@ const inst crx_instruction[] =
/* Store instructions (from Register to Memory). */
#define ST_REG_INST(NAME, OPC1, OPC2, DISP) \
- /* opc12 r abs16 */ \
- {NAME, 2, 0x320+OPC1, 20, LD_STOR_INS, {{regr,16}, {abs16,0}}}, \
- /* opc12 r abs32 */ \
- {NAME, 3, 0x330+OPC1, 20, LD_STOR_INS, {{regr,16}, {abs32,0}}}, \
- /* opc4 r rbase dispu[bwd]4 */ \
- {NAME, 1, 0x8+OPC2, 28, LD_STOR_INS | DISP, {{regr,24}, {rbase_cst4,16}}}, \
- /* opc4 r rbase disps16 */ \
- {NAME, 2, ((0x8+OPC2)<<8)+0xE, 20, LD_STOR_INS | DISP | FMT_1, \
- {{regr,24}, {rbase_disps16,16}}}, \
- /* opc4 r rbase disps32 */ \
- {NAME, 3, ((0x8+OPC2)<<8)+0xF, 20, LD_STOR_INS | FMT_1, \
- {{regr,24}, {rbase_disps32,16}}}, \
- /* opc12 r rbase ridx scl2 disps6 */ \
- {NAME, 2, 0x32C+OPC1, 20, LD_STOR_INS, {{regr,16}, {rindex_disps6,0}}}, \
- /* opc12 r rbase ridx scl2 disps22 */ \
- {NAME, 3, 0x33C+OPC1, 20, LD_STOR_INS, {{regr,16}, {rindex_disps22,0}}}, \
- /* opc12 r rbase disps12 */ \
+ /* opc12 r abs16 */ \
+ {NAME, 2, 0x320+OPC1, 20, LD_STOR_INS, {{regr,16}, {abs16,0}}}, \
+ /* opc12 r abs32 */ \
+ {NAME, 3, 0x330+OPC1, 20, LD_STOR_INS, {{regr,16}, {abs32,0}}}, \
+ /* opc4 r rbase dispu[bwd]4 */ \
+ {NAME, 1, 0x8+OPC2, 28, LD_STOR_INS | DISP, \
+ {{regr,24}, {rbase_dispu4,16}}}, \
+ /* opc4 r rbase disps16 */ \
+ {NAME, 2, ((0x8+OPC2)<<8)+0xE, 20, LD_STOR_INS | FMT_1, \
+ {{regr,24}, {rbase_disps16,16}}}, \
+ /* opc4 r rbase disps32 */ \
+ {NAME, 3, ((0x8+OPC2)<<8)+0xF, 20, LD_STOR_INS | FMT_1, \
+ {{regr,24}, {rbase_disps32,16}}}, \
+ /* opc12 r rbase ridx scl2 disps6 */ \
+ {NAME, 2, 0x32C+OPC1, 20, LD_STOR_INS, \
+ {{regr,16}, {rindex_disps6,0}}}, \
+ /* opc12 r rbase ridx scl2 disps22 */ \
+ {NAME, 3, 0x33C+OPC1, 20, LD_STOR_INS, {{regr,16}, {rindex_disps22,0}}}, \
+ /* opc12 r rbase disps12 */ \
{NAME, 2, 0x328+OPC1, 20, LD_STOR_INS_INC, {{regr,16}, {rbase_disps12,12}}}
/* Store instructions (Immediate to Memory). */
@@ -541,10 +543,10 @@ const inst crx_instruction[] =
/* CO-processor extensions. */
/* opc12 c4 opc4 ui4 disps9 */
{"bcop", 2, 0x30107, 12, COP_BRANCH_INS | FMT_4,
- {{ui4,16}, {ui4,8}, {disps9,0}}},
+ {{ui4,8}, {ui4,16}, {disps9,0}}},
/* opc12 c4 opc4 ui4 disps25 */
{"bcop", 3, 0x31107, 12, COP_BRANCH_INS | FMT_4,
- {{ui4,16}, {ui4,8}, {disps25,0}}},
+ {{ui4,8}, {ui4,16}, {disps25,0}}},
/* opc12 c4 opc4 cpdo r r */
{"cpdop", 2, 0x3010B, 12, COP_REG_INS | FMT_4,
{{ui4,16}, {ui4,8}, {regr,4}, {regr,0}}},
@@ -563,8 +565,10 @@ const inst crx_instruction[] =
{"cinv", 2, 0x3010000, 4, NO_TYPE_INS, {{ui4,0}}},
/* opc9 ui5 ui5 ui5 r r */
- {"ram", 2, 0x7C, 23, NO_TYPE_INS, {{ui5,18}, {ui5,13}, {ui5,8}, {regr,4}, {regr,0}}},
- {"rim", 2, 0x7D, 23, NO_TYPE_INS, {{ui5,18}, {ui5,13}, {ui5,8}, {regr,4}, {regr,0}}},
+ {"ram", 2, 0x7C, 23, NO_TYPE_INS,
+ {{ui5,18}, {ui5,13}, {ui5,8}, {regr,4}, {regr,0}}},
+ {"rim", 2, 0x7D, 23, NO_TYPE_INS,
+ {{ui5,18}, {ui5,13}, {ui5,8}, {regr,4}, {regr,0}}},
/* opc9 ui3 r */
{"rotb", 1, 0x1FB, 23, NO_TYPE_INS, {{ui3,20}, {regr,16}}},
@@ -649,34 +653,34 @@ const int crx_num_copregs = ARRAY_SIZE (crx_copregtab);
const operand_entry crx_optab[] =
{
/* Index 0 is dummy, so we can count the instruction's operands. */
- {0, nullargs, 0}, /* dummy */
- {4, arg_ic, OPERAND_CST4}, /* cst4 */
- {16, arg_ic, OPERAND_SIGNED}, /* i16 */
- {32, arg_ic, OPERAND_SIGNED}, /* i32 */
- {3, arg_ic, OPERAND_UNSIGNED}, /* ui3 */
- {4, arg_ic, OPERAND_UNSIGNED}, /* ui4 */
- {5, arg_ic, OPERAND_UNSIGNED}, /* ui5 */
- {16, arg_ic, OPERAND_UNSIGNED}, /* ui16 */
- {8, arg_c, OPERAND_EVEN|OPERAND_SHIFT}, /* disps9 */
- {16, arg_c, OPERAND_EVEN|OPERAND_SHIFT}, /* disps17 */
- {24, arg_c, OPERAND_EVEN|OPERAND_SHIFT}, /* disps25 */
- {32, arg_c, OPERAND_EVEN|OPERAND_SHIFT}, /* disps32 */
- {4, arg_c, OPERAND_EVEN|OPERAND_SHIFT_DEC}, /* dispu5 */
- {8, arg_c, OPERAND_EVEN|OPERAND_SHIFT|OPERAND_ESC}, /* dispe9 */
- {16, arg_c, 0}, /* abs16 */
- {32, arg_c, 0}, /* abs32 */
- {4, arg_rbase, 0}, /* rbase */
- {4, arg_cr, OPERAND_CST4}, /* rbase_cst4 */
- {12, arg_cr, 0}, /* rbase_disps12 */
- {16, arg_cr, 0}, /* rbase_disps16 */
- {28, arg_cr, 0}, /* rbase_disps28 */
- {32, arg_cr, 0}, /* rbase_disps32 */
- {6, arg_idxr, 0}, /* rindex_disps6 */
- {22, arg_idxr, 0}, /* rindex_disps22 */
- {4, arg_r, 0}, /* regr */
- {8, arg_r, 0}, /* regr8 */
- {4, arg_copr, 0}, /* copregr */
- {4, arg_copsr, 0} /* copsregr */
+ {0, nullargs, 0}, /* dummy */
+ {4, arg_ic, OP_CST4}, /* cst4 */
+ {16, arg_ic, OP_SIGNED}, /* i16 */
+ {32, arg_ic, OP_SIGNED}, /* i32 */
+ {3, arg_ic, OP_UNSIGNED}, /* ui3 */
+ {4, arg_ic, OP_UNSIGNED}, /* ui4 */
+ {5, arg_ic, OP_UNSIGNED}, /* ui5 */
+ {16, arg_ic, OP_UNSIGNED}, /* ui16 */
+ {8, arg_c, OP_EVEN|OP_SHIFT|OP_SIGNED}, /* disps9 */
+ {16, arg_c, OP_EVEN|OP_SHIFT|OP_SIGNED}, /* disps17 */
+ {24, arg_c, OP_EVEN|OP_SHIFT|OP_SIGNED}, /* disps25 */
+ {32, arg_c, OP_EVEN|OP_SHIFT|OP_SIGNED}, /* disps32 */
+ {4, arg_c, OP_EVEN|OP_SHIFT_DEC|OP_UNSIGNED}, /* dispu5 */
+ {8, arg_c, OP_EVEN|OP_SHIFT|OP_SIGNED|OP_ESC}, /* dispe9 */
+ {16, arg_c, OP_UNSIGNED|OP_UPPER_64KB}, /* abs16 */
+ {32, arg_c, OP_UNSIGNED}, /* abs32 */
+ {4, arg_rbase, 0}, /* rbase */
+ {4, arg_cr, OP_DISPU4}, /* rbase_dispu4 */
+ {12, arg_cr, OP_SIGNED}, /* rbase_disps12 */
+ {16, arg_cr, OP_SIGNED}, /* rbase_disps16 */
+ {28, arg_cr, OP_SIGNED}, /* rbase_disps28 */
+ {32, arg_cr, OP_SIGNED}, /* rbase_disps32 */
+ {6, arg_idxr, OP_SIGNED}, /* rindex_disps6 */
+ {22, arg_idxr, OP_SIGNED}, /* rindex_disps22 */
+ {4, arg_r, 0}, /* regr */
+ {8, arg_r, 0}, /* regr8 */
+ {4, arg_copr, 0}, /* copregr */
+ {4, arg_copsr, 0} /* copsregr */
};
/* CRX traps/interrupts. */
@@ -688,11 +692,23 @@ const trap_entry crx_traps[] =
const int crx_num_traps = ARRAY_SIZE (crx_traps);
-/* cst4 operand mapping. */
-const cst4_entry cst4_map[] =
+/* cst4 operand mapping:
+The value in entry <N> is mapped to the value <N>
+ Value Binary mapping
+ cst4_map[N] -->> N
+
+Example (for N=5):
+
+ cst4_map[5]=-4 -->> 5 */
+const long cst4_map[] =
{
- {0,0}, {1,1}, {2,2}, {3,3}, {4,4}, {5,-4}, {6,-1},
- {7,7}, {8,8}, {9,16}, {10,32}, {11,20}, {12,12}, {13,48}
+ 0, 1, 2, 3, 4, -4, -1, 7, 8, 16, 32, 20, 12, 48
};
const int cst4_maps = ARRAY_SIZE (cst4_map);
+
+/* CRX instructions that don't have arguments. */
+const char* no_op_insn[] =
+{
+ "di", "ei", "eiwait", "nop", "retx", "wait", NULL
+};
generated by cgit v1.1 at 2024-12-15 11:02:18 +0000