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authorJeff Law <law@redhat.com>1999-12-01 10:36:22 +0000
committerJeff Law <law@redhat.com>1999-12-01 10:36:22 +0000
commita9af5e04811eb19756c41a5e287973efd87e7f5a (patch)
treefdd7213b7921c52adb5e8972659a0cddbebdf9f3 /opcodes/m10300-dis.c
parent31f8dc8fceba2e10cc6d503cc6280db0504dd7f7 (diff)
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* m10300-opc.c, m10300-dis.c: Add am33 support.
Diffstat (limited to 'opcodes/m10300-dis.c')
-rw-r--r--opcodes/m10300-dis.c134
1 files changed, 134 insertions, 0 deletions
diff --git a/opcodes/m10300-dis.c b/opcodes/m10300-dis.c
index 415bffc..7d7f74c 100644
--- a/opcodes/m10300-dis.c
+++ b/opcodes/m10300-dis.c
@@ -120,6 +120,7 @@ print_insn_mn10300 (memaddr, info)
|| (insn & 0xfc) == 0x38
|| (insn & 0xff) == 0xde
|| (insn & 0xff) == 0xdf
+ || (insn & 0xff) == 0xf9
|| (insn & 0xff) == 0xcc)
{
status = (*info->read_memory_func) (memaddr, buffer, 2, info);
@@ -142,6 +143,7 @@ print_insn_mn10300 (memaddr, info)
/* These are four byte insns. */
else if ((insn & 0xff) == 0xfa
+ || (insn & 0xff) == 0xf7
|| (insn & 0xff) == 0xfb)
{
status = (*info->read_memory_func) (memaddr, buffer, 4, info);
@@ -234,6 +236,14 @@ disassemble (memaddr, info, insn, size)
mysize = 4;
else if (op->format == FMT_D4)
mysize = 6;
+ else if (op->format == FMT_D6)
+ mysize = 3;
+ else if (op->format == FMT_D7 || op->format == FMT_D10)
+ mysize = 4;
+ else if (op->format == FMT_D8)
+ mysize = 6;
+ else if (op->format == FMT_D9)
+ mysize = 7;
else
mysize = 7;
@@ -252,6 +262,10 @@ disassemble (memaddr, info, insn, size)
|| op->format == FMT_S2 || op->format == FMT_S4
|| op->format == FMT_S6 || op->format == FMT_D5)
extra_shift = 16;
+ else if (op->format == FMT_D7
+ || op->format == FMT_D8
+ || op->format == FMT_D9)
+ extra_shift = 8;
else
extra_shift = 0;
@@ -266,6 +280,11 @@ disassemble (memaddr, info, insn, size)
{
extension = 0;
}
+ else if (size == 3
+ && op->format == FMT_D6)
+ {
+ extension = 0;
+ }
else if (size == 3)
{
insn &= 0xff0000;
@@ -286,6 +305,12 @@ disassemble (memaddr, info, insn, size)
{
extension = 0;
}
+ else if (size == 4
+ && (op->format == FMT_D7
+ || op->format == FMT_D10))
+ {
+ extension = 0;
+ }
else if (size == 4)
{
insn &= 0xffff0000;
@@ -336,6 +361,25 @@ disassemble (memaddr, info, insn, size)
}
extension = *(unsigned char *)buffer;
}
+ else if (size == 6 && op->format == FMT_D8)
+ {
+ insn &= 0xffffff00;
+ status = (*info->read_memory_func) (memaddr + 5, buffer, 1, info);
+ if (status != 0)
+ {
+ (*info->memory_error_func) (status, memaddr, info);
+ return;
+ }
+ insn |= *(unsigned char *)buffer;
+
+ status = (*info->read_memory_func) (memaddr + 3, buffer, 2, info);
+ if (status != 0)
+ {
+ (*info->memory_error_func) (status, memaddr, info);
+ return;
+ }
+ extension = bfd_getl16 (buffer);
+ }
else if (size == 6)
{
unsigned long temp = 0;
@@ -351,6 +395,19 @@ disassemble (memaddr, info, insn, size)
insn |= (temp >> 16) & 0xffff;
extension = temp & 0xffff;
}
+ else if (size == 7 && op->format == FMT_D9)
+ {
+ insn &= 0xffffff00;
+ status = (*info->read_memory_func) (memaddr + 3, buffer, 4, info);
+ if (status != 0)
+ {
+ (*info->memory_error_func) (status, memaddr, info);
+ return;
+ }
+ extension = bfd_getl32 (buffer);
+ insn |= (extension & 0xff000000) >> 24;
+ extension &= 0xffffff;
+ }
else if (size == 7 && op->opcode == 0xdd000000)
{
unsigned long temp = 0;
@@ -410,6 +467,10 @@ disassemble (memaddr, info, insn, size)
operand = &mn10300_operands[*opindex_ptr];
+ /* If this operand is a PLUS (autoincrement), then do not emit
+ a comma before emitting the plus. */
+ if ((operand->flags & MN10300_OPERAND_PLUS) != 0)
+ nocomma = 1;
if ((operand->flags & MN10300_OPERAND_SPLIT) != 0)
{
@@ -420,6 +481,17 @@ disassemble (memaddr, info, insn, size)
temp &= ((1 << (32 - operand->bits)) - 1);
value |= temp;
}
+ else if ((operand->flags & MN10300_OPERAND_24BIT) != 0)
+ {
+ unsigned long temp;
+ value = insn & ((1 << operand->bits) - 1);
+ value <<= (24 - operand->bits);
+ temp = extension >> operand->shift;
+ temp &= ((1 << (24 - operand->bits)) - 1);
+ value |= temp;
+ if ((operand->flags & MN10300_OPERAND_SIGNED) != 0)
+ value = ((value & 0xffffff) ^ (~0x7fffff)) + 0x800000;
+ }
else if ((operand->flags & MN10300_OPERAND_EXTENDED) != 0)
{
value = ((extension >> (operand->shift))
@@ -432,6 +504,8 @@ disassemble (memaddr, info, insn, size)
}
if ((operand->flags & MN10300_OPERAND_SIGNED) != 0
+ /* These are properly extended by the code above. */
+ && ((operand->flags & MN10300_OPERAND_24BIT) == 0)
)
value = ((long)(value << (32 - operand->bits))
>> (32 - operand->bits));
@@ -466,6 +540,45 @@ disassemble (memaddr, info, insn, size)
else if ((operand->flags & MN10300_OPERAND_MDR) != 0)
(*info->fprintf_func) (info->stream, "mdr");
+ else if ((operand->flags & MN10300_OPERAND_RREG) != 0)
+ {
+ value = ((insn >> (operand->shift + extra_shift))
+ & ((1 << operand->bits) - 1));
+ if (value < 8)
+ (*info->fprintf_func) (info->stream, "r%d", value);
+ else if (value < 12)
+ (*info->fprintf_func) (info->stream, "a%d", value - 8);
+ else
+ (*info->fprintf_func) (info->stream, "d%d", value - 12);
+ }
+
+ else if ((operand->flags & MN10300_OPERAND_XRREG) != 0)
+ {
+ value = ((insn >> (operand->shift + extra_shift))
+ & ((1 << operand->bits) - 1));
+ if (value == 0)
+ (*info->fprintf_func) (info->stream, "sp", value);
+ else
+ (*info->fprintf_func) (info->stream, "xr%d", value);
+ }
+
+ else if ((operand->flags & MN10300_OPERAND_USP) != 0)
+ (*info->fprintf_func) (info->stream, "usp");
+
+ else if ((operand->flags & MN10300_OPERAND_SSP) != 0)
+ (*info->fprintf_func) (info->stream, "ssp");
+
+ else if ((operand->flags & MN10300_OPERAND_MSP) != 0)
+ (*info->fprintf_func) (info->stream, "msp");
+
+ else if ((operand->flags & MN10300_OPERAND_PC) != 0)
+ (*info->fprintf_func) (info->stream, "pc");
+
+ else if ((operand->flags & MN10300_OPERAND_EPSW) != 0)
+ (*info->fprintf_func) (info->stream, "epsw");
+
+ else if ((operand->flags & MN10300_OPERAND_PLUS) != 0)
+ (*info->fprintf_func) (info->stream, "+");
else if ((operand->flags & MN10300_OPERAND_PAREN) != 0)
{
@@ -528,6 +641,27 @@ disassemble (memaddr, info, insn, size)
comma = 1;
}
+ if (value & 0x04)
+ {
+ if (comma)
+ (*info->fprintf_func) (info->stream, ",");
+ (*info->fprintf_func) (info->stream, "exreg0");
+ comma = 1;
+ }
+ if (value & 0x02)
+ {
+ if (comma)
+ (*info->fprintf_func) (info->stream, ",");
+ (*info->fprintf_func) (info->stream, "exreg1");
+ comma = 1;
+ }
+ if (value & 0x01)
+ {
+ if (comma)
+ (*info->fprintf_func) (info->stream, ",");
+ (*info->fprintf_func) (info->stream, "exother");
+ comma = 1;
+ }
(*info->fprintf_func) (info->stream, "]");
}