old-cross-binutils/opcodes/s390-mkopc.c
Andreas Krebbel 5746fb46c8 2008-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
* opcodes/s390-mkopc.c (s390_opcode_cpu_val): S390_OPCODE_Z10 added.
	(s390_cond_extensions): Reduced extensions to the compare related.
	(main): z10 cpu type option added.
	(expandConditionalJump): Renamed to ...
	(insertExpandedMnemonic): ... this.

	* opcodes/s390-opc.c: Re-group the operand format makros.
	(INSTR_RIE_RRPU, INSTR_RIE_RRP0, INSTR_RIE_RUPI,
	INSTR_RIE_R0PI, INSTR_RIE_RUPU, INSTR_RIE_R0PU, INSTR_RIE_R0IU,
	INSTR_RIE_R0I0, INSTR_RIE_R0UU, INSTR_RIE_R0U0,
	INSTR_RIE_RRUUU, INSTR_RIS_RURDI, INSTR_RIS_R0RDI, INSTR_RIS_RURDU,
	INSTR_RIS_R0RDU, INSTR_RRF_U0RR, INSTR_RRF_00RR, INSTR_RRS_RRRDU,
	INSTR_RRS_RRRD0, INSTR_RXY_URRD, INSTR_SIY_IRD, INSTR_SIL_RDI,
	INSTR_SIL_RDU): New instruction formats added.
	(MASK_RIE_RRPU, MASK_RIE_RRP0, MASK_RIE_RUPI, MASK_RIE_R0PI,
	MASK_RIE_RUPU, MASK_RIE_R0PU, MASK_RIE_R0IU, MASK_RIE_R0I0,
	MASK_RIE_R0UU, MASK_RIE_R0U0, MASK_RIE_RRUUU, MASK_RIS_RURDI,
	MASK_RIS_R0RDI, MASK_RIS_RURDU, MASK_RIS_R0RDU, MASK_RRF_U0RR,
	MASK_RRF_00RR, MASK_RRS_RRRDU, MASK_RRS_RRRD0, MASK_RXY_URRD,
	MASK_SIY_IRD, MASK_SIL_RDI, MASK_SIL_RDU): New instruction format
	masks added.
	(s390_opformats): New formats added "ris", "rrs", "sil".
	* opcodes/s390-opc.txt: Add the conditional jumps with the
	extensions removed from automatic expansion in s390-mkopc.c manually.
	(asi - trtre): Add new System z10 EC instructions.
	* include/opcode/s390.h (s390_opcode_cpu_val): S390_OPCODE_Z10 added.

2008-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/tc-s390.c (md_parse_option): z10 option added.

2008-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>

	* gas/s390/zarch-z10.d: New file.
	* gas/s390/zarch-z10.s: New file.
	* gas/s390/s390.exp: Run the z10 testcases.
2008-03-19 10:29:18 +00:00

357 lines
9.4 KiB
C

/* s390-mkopc.c -- Generates opcode table out of s390-opc.txt
Copyright 2000, 2001, 2003, 2007 Free Software Foundation, Inc.
Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
This file is part of the GNU opcodes library.
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
It is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
License for more details.
You should have received a copy of the GNU General Public License
along with this file; see the file COPYING. If not, write to the
Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/* Taken from opcodes/s390.h */
enum s390_opcode_mode_val
{
S390_OPCODE_ESA = 0,
S390_OPCODE_ZARCH
};
enum s390_opcode_cpu_val
{
S390_OPCODE_G5 = 0,
S390_OPCODE_G6,
S390_OPCODE_Z900,
S390_OPCODE_Z990,
S390_OPCODE_Z9_109,
S390_OPCODE_Z9_EC,
S390_OPCODE_Z10
};
struct op_struct
{
char opcode[16];
char mnemonic[16];
char format[16];
int mode_bits;
int min_cpu;
unsigned long long sort_value;
int no_nibbles;
};
struct op_struct *op_array;
int max_ops;
int no_ops;
static void
createTable (void)
{
max_ops = 256;
op_array = malloc (max_ops * sizeof (struct op_struct));
no_ops = 0;
}
/* `insertOpcode': insert an op_struct into sorted opcode array. */
static void
insertOpcode (char *opcode, char *mnemonic, char *format,
int min_cpu, int mode_bits)
{
char *str;
unsigned long long sort_value;
int no_nibbles;
int ix, k;
while (no_ops >= max_ops)
{
max_ops = max_ops * 2;
op_array = realloc (op_array, max_ops * sizeof (struct op_struct));
}
sort_value = 0;
str = opcode;
for (ix = 0; ix < 16; ix++)
{
if (*str >= '0' && *str <= '9')
sort_value = (sort_value << 4) + (*str - '0');
else if (*str >= 'a' && *str <= 'f')
sort_value = (sort_value << 4) + (*str - 'a' + 10);
else if (*str >= 'A' && *str <= 'F')
sort_value = (sort_value << 4) + (*str - 'A' + 10);
else if (*str == '?')
sort_value <<= 4;
else
break;
str ++;
}
sort_value <<= 4*(16 - ix);
sort_value += (min_cpu << 8) + mode_bits;
no_nibbles = ix;
for (ix = 0; ix < no_ops; ix++)
if (sort_value > op_array[ix].sort_value)
break;
for (k = no_ops; k > ix; k--)
op_array[k] = op_array[k-1];
strcpy(op_array[ix].opcode, opcode);
strcpy(op_array[ix].mnemonic, mnemonic);
strcpy(op_array[ix].format, format);
op_array[ix].sort_value = sort_value;
op_array[ix].no_nibbles = no_nibbles;
op_array[ix].min_cpu = min_cpu;
op_array[ix].mode_bits = mode_bits;
no_ops++;
}
struct s390_cond_ext_format
{
char nibble;
char extension[4];
};
/* The mnemonic extensions for conditional branches used to replace
the '*' tag. */
#define NUM_COND_EXTENSIONS 12
const struct s390_cond_ext_format s390_cond_extensions[NUM_COND_EXTENSIONS] =
{ { '2', "h" }, /* jump on A high */
{ '3', "nle" }, /* jump on not low or equal */
{ '4', "l" }, /* jump on A low */
{ '5', "nhe" }, /* jump on not high or equal */
{ '6', "lh" }, /* jump on low or high */
{ '7', "ne" }, /* jump on A not equal B */
{ '8', "e" }, /* jump on A equal B */
{ '9', "nlh" }, /* jump on not low or high */
{ 'a', "he" }, /* jump on high or equal */
{ 'b', "nl" }, /* jump on A not low */
{ 'c', "le" }, /* jump on low or equal */
{ 'd', "nh" }, /* jump on A not high */
};
/* As with insertOpcode instructions are added to the sorted opcode
array. Additionally mnemonics containing the '*<number>' tag are
expanded to the set of conditional instructions described by
s390_cond_extensions with the tag replaced by the respective
mnemonic extensions. */
static void
insertExpandedMnemonic (char *opcode, char *mnemonic, char *format,
int min_cpu, int mode_bits)
{
char *tag;
char prefix[5];
char suffix[5];
char number[5];
int mask_start, i = 0, tag_found = 0, reading_number = 0;
int number_p = 0, suffix_p = 0, prefix_p = 0;
if (!(tag = strchr (mnemonic, '*')))
{
insertOpcode (opcode, mnemonic, format, min_cpu, mode_bits);
return;
}
while (mnemonic[i] != '\0')
{
if (mnemonic[i] == *tag)
{
if (tag_found)
goto malformed_mnemonic;
tag_found = 1;
reading_number = 1;
}
else
switch (mnemonic[i])
{
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
if (!tag_found || !reading_number)
goto malformed_mnemonic;
number[number_p++] = mnemonic[i];
break;
default:
if (reading_number)
{
if (!number_p)
goto malformed_mnemonic;
else
reading_number = 0;
}
if (tag_found)
suffix[suffix_p++] = mnemonic[i];
else
prefix[prefix_p++] = mnemonic[i];
}
i++;
}
prefix[prefix_p] = '\0';
suffix[suffix_p] = '\0';
number[number_p] = '\0';
if (sscanf (number, "%d", &mask_start) != 1)
goto malformed_mnemonic;
if (mask_start & 3)
{
fprintf (stderr, "Conditional mask not at nibble boundary in: %s\n",
mnemonic);
return;
}
mask_start >>= 2;
for (i = 0; i < NUM_COND_EXTENSIONS; i++)
{
char new_mnemonic[15];
strcpy (new_mnemonic, prefix);
opcode[mask_start] = s390_cond_extensions[i].nibble;
strcat (new_mnemonic, s390_cond_extensions[i].extension);
strcat (new_mnemonic, suffix);
insertOpcode (opcode, new_mnemonic, format, min_cpu, mode_bits);
}
return;
malformed_mnemonic:
fprintf (stderr, "Malformed mnemonic: %s\n", mnemonic);
}
static char file_header[] =
"/* The opcode table. This file was generated by s390-mkopc.\n\n"
" The format of the opcode table is:\n\n"
" NAME OPCODE MASK OPERANDS\n\n"
" Name is the name of the instruction.\n"
" OPCODE is the instruction opcode.\n"
" MASK is the opcode mask; this is used to tell the disassembler\n"
" which bits in the actual opcode must match OPCODE.\n"
" OPERANDS is the list of operands.\n\n"
" The disassembler reads the table in order and prints the first\n"
" instruction which matches. */\n\n"
"const struct s390_opcode s390_opcodes[] =\n {\n";
/* `dumpTable': write opcode table. */
static void
dumpTable (void)
{
char *str;
int ix;
/* Write hash table entries (slots). */
printf (file_header);
for (ix = 0; ix < no_ops; ix++)
{
printf (" { \"%s\", ", op_array[ix].mnemonic);
for (str = op_array[ix].opcode; *str != 0; str++)
if (*str == '?')
*str = '0';
printf ("OP%i(0x%sLL), ",
op_array[ix].no_nibbles*4, op_array[ix].opcode);
printf ("MASK_%s, INSTR_%s, ",
op_array[ix].format, op_array[ix].format);
printf ("%i, ", op_array[ix].mode_bits);
printf ("%i}", op_array[ix].min_cpu);
if (ix < no_ops-1)
printf (",\n");
else
printf ("\n");
}
printf ("};\n\n");
printf ("const int s390_num_opcodes =\n");
printf (" sizeof (s390_opcodes) / sizeof (s390_opcodes[0]);\n\n");
}
int
main (void)
{
char currentLine[256];
createTable ();
/* Read opcode descriptions from `stdin'. For each mnemonic,
make an entry into the opcode table. */
while (fgets (currentLine, sizeof (currentLine), stdin) != NULL)
{
char opcode[16];
char mnemonic[16];
char format[16];
char description[64];
char cpu_string[16];
char modes_string[16];
int min_cpu;
int mode_bits;
char *str;
if (currentLine[0] == '#')
continue;
memset (opcode, 0, 8);
if (sscanf (currentLine, "%15s %15s %15s \"%[^\"]\" %15s %15s",
opcode, mnemonic, format, description,
cpu_string, modes_string) == 6)
{
if (strcmp (cpu_string, "g5") == 0)
min_cpu = S390_OPCODE_G5;
else if (strcmp (cpu_string, "g6") == 0)
min_cpu = S390_OPCODE_G6;
else if (strcmp (cpu_string, "z900") == 0)
min_cpu = S390_OPCODE_Z900;
else if (strcmp (cpu_string, "z990") == 0)
min_cpu = S390_OPCODE_Z990;
else if (strcmp (cpu_string, "z9-109") == 0)
min_cpu = S390_OPCODE_Z9_109;
else if (strcmp (cpu_string, "z9-ec") == 0)
min_cpu = S390_OPCODE_Z9_EC;
else if (strcmp (cpu_string, "z10") == 0)
min_cpu = S390_OPCODE_Z10;
else {
fprintf (stderr, "Couldn't parse cpu string %s\n", cpu_string);
exit (1);
}
str = modes_string;
mode_bits = 0;
do {
if (strncmp (str, "esa", 3) == 0
&& (str[3] == 0 || str[3] == ',')) {
mode_bits |= 1 << S390_OPCODE_ESA;
str += 3;
} else if (strncmp (str, "zarch", 5) == 0
&& (str[5] == 0 || str[5] == ',')) {
mode_bits |= 1 << S390_OPCODE_ZARCH;
str += 5;
} else {
fprintf (stderr, "Couldn't parse modes string %s\n",
modes_string);
exit (1);
}
if (*str == ',')
str++;
} while (*str != 0);
insertExpandedMnemonic (opcode, mnemonic, format, min_cpu, mode_bits);
}
else
fprintf (stderr, "Couldn't scan line %s\n", currentLine);
}
dumpTable ();
return 0;
}