From f3329c1a648a247c79b18675bb57ad79751c3b96 Mon Sep 17 00:00:00 2001 From: Doug Evans Date: Tue, 27 Jan 1998 05:59:50 +0000 Subject: [PATCH] add more pke/dma/gpuif parsing support --- opcodes/txvu-opc.c | 163 +++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 156 insertions(+), 7 deletions(-) diff --git a/opcodes/txvu-opc.c b/opcodes/txvu-opc.c index d3a125c5762..1893c1fdc92 100644 --- a/opcodes/txvu-opc.c +++ b/opcodes/txvu-opc.c @@ -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 }, -- 2.30.2