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add more pke/dma/gpuif parsing support

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This commit is contained in:
Doug Evans 1998-01-27 05:59:50 +00:00
parent 3f7eb70f90
commit f3329c1a64
1 changed files with 156 additions and 7 deletions
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163
opcodes/txvu-opc.c
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@ -16,6 +16,7 @@
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "ansidecl.h"
#include "sysdep.h"
#include "dis-asm.h"
#include "opcode/txvu.h"
@ -1283,7 +1284,7 @@ const struct txvu_operand pke_operands[] =
/* The IMR bits of the unpack insn. */
#define PKE_IMRBITS (PKE_VARLENDATA + 1)
{ 0, 0, 0, parse_pke_imrbits, 0, 0, print_pke_imrbits },
{ 0, 0, TXVU_OPERAND_SUFFIX, parse_pke_imrbits, 0, 0, print_pke_imrbits },
/* The type of the unpack insn. */
#define PKE_UNPACKTYPE (PKE_IMRBITS + 1)
@ -1326,8 +1327,8 @@ struct txvu_opcode pke_opcodes[] =
{ "stmask", { PKE_IBIT, SP, PKE_UIMM32 }, MPKECMD, VPKECMD (32), PKE_OPCODE_LEN2 },
/* 5 word instructions */
{ "strow", { PKE_IBIT, SP, PKE_UIMM32, PKE_UIMM32, PKE_UIMM32, PKE_UIMM32 }, MPKECMD, VPKECMD (48), PKE_OPCODE_LEN5 },
{ "stcol", { PKE_IBIT, SP, PKE_UIMM32, PKE_UIMM32, PKE_UIMM32, PKE_UIMM32 }, MPKECMD, VPKECMD (49), PKE_OPCODE_LEN5 },
{ "strow", { PKE_IBIT, SP, PKE_UIMM32, C, PKE_UIMM32, C, PKE_UIMM32, C, PKE_UIMM32 }, MPKECMD, VPKECMD (48), PKE_OPCODE_LEN5 },
{ "stcol", { PKE_IBIT, SP, PKE_UIMM32, C, PKE_UIMM32, C, PKE_UIMM32, C, PKE_UIMM32 }, MPKECMD, VPKECMD (49), PKE_OPCODE_LEN5 },
/* variable length instructions */
{ "mpg", { PKE_IBIT, SP, PKE_MPGADDR, PKE_VARLENDATA }, MPKECMD, VPKECMD (0x4a), PKE_OPCODE_LENVAR + PKE_OPCODE_MPG },
@ -1344,6 +1345,23 @@ parse_pke_ibit (pstr, errmsg)
char **pstr;
const char **errmsg;
{
char *str = *pstr;
int flags = 0;
if (*str != '[')
return 0;
for (str = str + 1; *str != ']'; ++str)
{
switch (tolower (*str))
{
case 'i' : flags = 1; break;
default : *errmsg = "unknown flag"; return 0;
}
}
*pstr = str + 1;
return flags;
}
static void
@ -1355,11 +1373,36 @@ print_pke_ibit (info, insn, value)
(*info->fprintf_func) (info->stream, "???");
}
static const keyword stmod_modes[] = {
{ PKE_MODE_DIRECT, "direct" },
{ PKE_MODE_ADD, "add" },
{ PKE_MODE_ADDROW, "addrow" },
{ 0, 0 }
};
static long
parse_pke_mode (pstr, errmsg)
char **pstr;
const char **errmsg;
{
int mode;
char *str = *pstr;
char *start;
char c;
start = str;
str = scan_symbol (str);
c = *str;
*str = 0;
mode = lookup_keyword_value (stmod_modes, start, 0);
*str = c;
if (mode != -1)
{
*pstr = str;
return mode;
}
*errmsg = "invalid mode";
return 0;
}
static void
@ -1376,6 +1419,20 @@ parse_pke_ability (pstr, errmsg)
char **pstr;
const char **errmsg;
{
char *str = *pstr;
if (strncasecmp (str, "disable", 7) == 0)
{
*pstr += 7;
return 0;
}
else if (strncasecmp (str, "enable", 6) == 0)
{
*pstr += 6;
return 1;
}
*errmsg = "invalid ability";
return 0;
}
static void
@ -1392,15 +1449,53 @@ parse_pke_mpgaddr (pstr, errmsg)
char **pstr;
const char **errmsg;
{
char *str = *pstr;
char *start;
if (*str == '*')
{
++*pstr;
return 0; /* FIXME:indicate * somehow */
}
start = str;
str = strchr (str, ',');
if (! str)
{
*errmsg = "invalid mpg address";
return 0;
}
/* FIXME: call back to expression() to parse address. */
*pstr = str;
return 0;
}
/* The result here is either the length specified,
or PKE_VARLENDATA_FILE or PKE_VARLENDATA_UNKNOWN. */
static long
parse_pke_varlendata (pstr, errmsg)
char **pstr;
const char **errmsg;
{
/* The result here is either the length specified,
or PKE_VARLENDATA_FILE or PKE_VARLENDATA_UNKNOWN. */
char *str = *pstr;
char *start;
if (*str == '*')
{
++*pstr;
return 0; /* FIXME:indicate * somehow */
}
start = str;
/* FIXME: call back to expression() to parse address,
and pick out filename if such. */
*pstr = str + strlen (str);
return 0;
}
static long
@ -1408,6 +1503,25 @@ parse_pke_imrbits (pstr, errmsg)
char **pstr;
const char **errmsg;
{
char *str = *pstr;
int flags = 0;
if (*str != '[')
return 0;
for (str = str + 1; *str != ']'; ++str)
{
switch (tolower (*str))
{
case 'i' : flags |= PKE_FLAG_I; break;
case 'm' : flags |= PKE_FLAG_M; break;
case 'r' : flags |= PKE_FLAG_R; break;
default : *errmsg = "unknown pke flag"; return 0;
}
}
*pstr = str + 1;
return flags;
}
static void
@ -1419,11 +1533,46 @@ print_pke_imrbits (info, insn, value)
(*info->fprintf_func) (info->stream, "???");
}
static const keyword unpack_types[] = {
{ PKE_UNPACK_S_32, "s_32" },
{ PKE_UNPACK_S_16, "s_16" },
{ PKE_UNPACK_S_8, "s_8" },
{ PKE_UNPACK_V2_32, "v2_32" },
{ PKE_UNPACK_V2_16, "v2_16" },
{ PKE_UNPACK_V2_8, "v2_8" },
{ PKE_UNPACK_V3_32, "v3_32" },
{ PKE_UNPACK_V3_16, "v3_16" },
{ PKE_UNPACK_V3_8, "v3_8" },
{ PKE_UNPACK_V4_32, "v4_32" },
{ PKE_UNPACK_V4_16, "v4_16" },
{ PKE_UNPACK_V4_8, "v4_8" },
{ PKE_UNPACK_V4_5, "v4_5" },
{ 0, 0 }
};
static long
parse_pke_unpacktype (pstr, errmsg)
char **pstr;
const char **errmsg;
{
int type;
char *str = *pstr;
char *start;
char c;
start = str;
str = scan_symbol (str);
c = *str;
*str = 0;
type = lookup_keyword_value (unpack_types, start, 0);
*str = c;
if (type != -1)
{
*pstr = str;
return type;
}
*errmsg = "invalid unpack type";
return 0;
}
static void
@ -1470,12 +1619,12 @@ const struct txvu_operand dma_operands[] =
{ 0, 0, TXVU_OPERAND_SUFFIX,
parse_dma_flags, insert_dma_flags, extract_dma_flags, print_dma_flags },
/* dma tag flag bits */
/* dma data spec */
#define DMA_DATA (DMA_FLAGS + 1)
{ 0, 0, 0,
parse_dma_data, insert_dma_data, extract_dma_data, print_dma_data },
/* dma tag flag bits */
/* dma next tag spec */
#define DMA_NEXT (DMA_DATA + 1)
{ 0, 0, 0,
parse_dma_next, insert_dma_next, extract_dma_next, print_dma_next },