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-rw-r--r--drivers/scsi/aic7xxx/aicasm/aicasm_gram.y93
-rw-r--r--drivers/scsi/aic7xxx/aicasm/aicasm_scan.l18
2 files changed, 66 insertions, 45 deletions
diff --git a/drivers/scsi/aic7xxx/aicasm/aicasm_gram.y b/drivers/scsi/aic7xxx/aicasm/aicasm_gram.y
index 702e2dbd11fb..e1079dd3cc28 100644
--- a/drivers/scsi/aic7xxx/aicasm/aicasm_gram.y
+++ b/drivers/scsi/aic7xxx/aicasm/aicasm_gram.y
@@ -101,11 +101,12 @@ static void format_3_instr(int opcode, symbol_ref_t *src,
101 expression_t *immed, symbol_ref_t *address); 101 expression_t *immed, symbol_ref_t *address);
102static void test_readable_symbol(symbol_t *symbol); 102static void test_readable_symbol(symbol_t *symbol);
103static void test_writable_symbol(symbol_t *symbol); 103static void test_writable_symbol(symbol_t *symbol);
104static void type_check(symbol_t *symbol, expression_t *expression, int and_op); 104static void type_check(symbol_ref_t *sym, expression_t *expression, int and_op);
105static void make_expression(expression_t *immed, int value); 105static void make_expression(expression_t *immed, int value);
106static void add_conditional(symbol_t *symbol); 106static void add_conditional(symbol_t *symbol);
107static void add_version(const char *verstring); 107static void add_version(const char *verstring);
108static int is_download_const(expression_t *immed); 108static int is_download_const(expression_t *immed);
109static int is_location_address(symbol_t *symbol);
109void yyerror(const char *string); 110void yyerror(const char *string);
110 111
111#define SRAM_SYMNAME "SRAM_BASE" 112#define SRAM_SYMNAME "SRAM_BASE"
@@ -192,10 +193,10 @@ void yyerror(const char *string);
192 193
193%token <value> T_OR 194%token <value> T_OR
194 195
195/* 16 bit extensions */ 196/* 16 bit extensions, not implemented
196%token <value> T_OR16 T_AND16 T_XOR16 T_ADD16 197 * %token <value> T_OR16 T_AND16 T_XOR16 T_ADD16
197%token <value> T_ADC16 T_MVI16 T_TEST16 T_CMP16 T_CMPXCHG 198 * %token <value> T_ADC16 T_MVI16 T_TEST16 T_CMP16 T_CMPXCHG
198 199 */
199%token T_RET 200%token T_RET
200 201
201%token T_NOP 202%token T_NOP
@@ -214,7 +215,7 @@ void yyerror(const char *string);
214 215
215%type <expression> expression immediate immediate_or_a 216%type <expression> expression immediate immediate_or_a
216 217
217%type <value> export ret f1_opcode f2_opcode f4_opcode jmp_jc_jnc_call jz_jnz je_jne 218%type <value> export ret f1_opcode f2_opcode jmp_jc_jnc_call jz_jnz je_jne
218 219
219%type <value> mode_value mode_list macro_arglist 220%type <value> mode_value mode_list macro_arglist
220 221
@@ -313,13 +314,13 @@ reg_definition:
313 stop("Register multiply defined", EX_DATAERR); 314 stop("Register multiply defined", EX_DATAERR);
314 /* NOTREACHED */ 315 /* NOTREACHED */
315 } 316 }
316 cur_symbol = $1; 317 cur_symbol = $1;
317 cur_symbol->type = cur_symtype; 318 cur_symbol->type = cur_symtype;
318 initialize_symbol(cur_symbol); 319 initialize_symbol(cur_symbol);
319 } 320 }
320 reg_attribute_list 321 reg_attribute_list
321 '}' 322 '}'
322 { 323 {
323 /* 324 /*
324 * Default to allowing everything in for registers 325 * Default to allowing everything in for registers
325 * with no bit or mask definitions. 326 * with no bit or mask definitions.
@@ -349,7 +350,7 @@ reg_attribute_list:
349| reg_attribute_list reg_attribute 350| reg_attribute_list reg_attribute
350; 351;
351 352
352reg_attribute: 353reg_attribute:
353 reg_address 354 reg_address
354| size 355| size
355| access_mode 356| access_mode
@@ -641,14 +642,14 @@ expression:
641 &($1.referenced_syms), 642 &($1.referenced_syms),
642 &($3.referenced_syms)); 643 &($3.referenced_syms));
643 } 644 }
644| expression T_EXPR_LSHIFT expression 645| expression T_EXPR_LSHIFT expression
645 { 646 {
646 $$.value = $1.value << $3.value; 647 $$.value = $1.value << $3.value;
647 symlist_merge(&$$.referenced_syms, 648 symlist_merge(&$$.referenced_syms,
648 &$1.referenced_syms, 649 &$1.referenced_syms,
649 &$3.referenced_syms); 650 &$3.referenced_syms);
650 } 651 }
651| expression T_EXPR_RSHIFT expression 652| expression T_EXPR_RSHIFT expression
652 { 653 {
653 $$.value = $1.value >> $3.value; 654 $$.value = $1.value >> $3.value;
654 symlist_merge(&$$.referenced_syms, 655 symlist_merge(&$$.referenced_syms,
@@ -714,7 +715,7 @@ expression:
714; 715;
715 716
716constant: 717constant:
717 T_CONST T_SYMBOL expression 718 T_CONST T_SYMBOL expression
718 { 719 {
719 if ($2->type != UNINITIALIZED) { 720 if ($2->type != UNINITIALIZED) {
720 stop("Re-definition of symbol as a constant", 721 stop("Re-definition of symbol as a constant",
@@ -1311,14 +1312,18 @@ f2_opcode:
1311| T_ROR { $$ = AIC_OP_ROR; } 1312| T_ROR { $$ = AIC_OP_ROR; }
1312; 1313;
1313 1314
1314f4_opcode: 1315/*
1315 T_OR16 { $$ = AIC_OP_OR16; } 1316 * 16bit opcodes, not used
1316| T_AND16 { $$ = AIC_OP_AND16; } 1317 *
1317| T_XOR16 { $$ = AIC_OP_XOR16; } 1318 *f4_opcode:
1318| T_ADD16 { $$ = AIC_OP_ADD16; } 1319 * T_OR16 { $$ = AIC_OP_OR16; }
1319| T_ADC16 { $$ = AIC_OP_ADC16; } 1320 *| T_AND16 { $$ = AIC_OP_AND16; }
1320| T_MVI16 { $$ = AIC_OP_MVI16; } 1321 *| T_XOR16 { $$ = AIC_OP_XOR16; }
1321; 1322 *| T_ADD16 { $$ = AIC_OP_ADD16; }
1323 *| T_ADC16 { $$ = AIC_OP_ADC16; }
1324 *| T_MVI16 { $$ = AIC_OP_MVI16; }
1325 *;
1326 */
1322 1327
1323code: 1328code:
1324 f2_opcode destination ',' expression opt_source ret ';' 1329 f2_opcode destination ',' expression opt_source ret ';'
@@ -1357,6 +1362,7 @@ code:
1357code: 1362code:
1358 T_OR reg_symbol ',' immediate jmp_jc_jnc_call address ';' 1363 T_OR reg_symbol ',' immediate jmp_jc_jnc_call address ';'
1359 { 1364 {
1365 type_check(&$2, &$4, AIC_OP_OR);
1360 format_3_instr($5, &$2, &$4, &$6); 1366 format_3_instr($5, &$2, &$4, &$6);
1361 } 1367 }
1362; 1368;
@@ -1528,7 +1534,7 @@ initialize_symbol(symbol_t *symbol)
1528 sizeof(struct cond_info)); 1534 sizeof(struct cond_info));
1529 break; 1535 break;
1530 case MACRO: 1536 case MACRO:
1531 symbol->info.macroinfo = 1537 symbol->info.macroinfo =
1532 (struct macro_info *)malloc(sizeof(struct macro_info)); 1538 (struct macro_info *)malloc(sizeof(struct macro_info));
1533 if (symbol->info.macroinfo == NULL) { 1539 if (symbol->info.macroinfo == NULL) {
1534 stop("Can't create macro info", EX_SOFTWARE); 1540 stop("Can't create macro info", EX_SOFTWARE);
@@ -1552,7 +1558,6 @@ add_macro_arg(const char *argtext, int argnum)
1552 struct macro_arg *marg; 1558 struct macro_arg *marg;
1553 int i; 1559 int i;
1554 int retval; 1560 int retval;
1555
1556 1561
1557 if (cur_symbol == NULL || cur_symbol->type != MACRO) { 1562 if (cur_symbol == NULL || cur_symbol->type != MACRO) {
1558 stop("Invalid current symbol for adding macro arg", 1563 stop("Invalid current symbol for adding macro arg",
@@ -1633,8 +1638,10 @@ format_1_instr(int opcode, symbol_ref_t *dest, expression_t *immed,
1633 test_writable_symbol(dest->symbol); 1638 test_writable_symbol(dest->symbol);
1634 test_readable_symbol(src->symbol); 1639 test_readable_symbol(src->symbol);
1635 1640
1636 /* Ensure that immediate makes sense for this destination */ 1641 if (!is_location_address(dest->symbol)) {
1637 type_check(dest->symbol, immed, opcode); 1642 /* Ensure that immediate makes sense for this destination */
1643 type_check(dest, immed, opcode);
1644 }
1638 1645
1639 /* Allocate sequencer space for the instruction and fill it out */ 1646 /* Allocate sequencer space for the instruction and fill it out */
1640 instr = seq_alloc(); 1647 instr = seq_alloc();
@@ -1766,9 +1773,6 @@ format_3_instr(int opcode, symbol_ref_t *src,
1766 /* Test register permissions */ 1773 /* Test register permissions */
1767 test_readable_symbol(src->symbol); 1774 test_readable_symbol(src->symbol);
1768 1775
1769 /* Ensure that immediate makes sense for this source */
1770 type_check(src->symbol, immed, opcode);
1771
1772 /* Allocate sequencer space for the instruction and fill it out */ 1776 /* Allocate sequencer space for the instruction and fill it out */
1773 instr = seq_alloc(); 1777 instr = seq_alloc();
1774 f3_instr = &instr->format.format3; 1778 f3_instr = &instr->format.format3;
@@ -1797,7 +1801,6 @@ format_3_instr(int opcode, symbol_ref_t *src,
1797static void 1801static void
1798test_readable_symbol(symbol_t *symbol) 1802test_readable_symbol(symbol_t *symbol)
1799{ 1803{
1800
1801 if ((symbol->info.rinfo->modes & (0x1 << src_mode)) == 0) { 1804 if ((symbol->info.rinfo->modes & (0x1 << src_mode)) == 0) {
1802 snprintf(errbuf, sizeof(errbuf), 1805 snprintf(errbuf, sizeof(errbuf),
1803 "Register %s unavailable in source reg mode %d", 1806 "Register %s unavailable in source reg mode %d",
@@ -1815,7 +1818,6 @@ test_readable_symbol(symbol_t *symbol)
1815static void 1818static void
1816test_writable_symbol(symbol_t *symbol) 1819test_writable_symbol(symbol_t *symbol)
1817{ 1820{
1818
1819 if ((symbol->info.rinfo->modes & (0x1 << dst_mode)) == 0) { 1821 if ((symbol->info.rinfo->modes & (0x1 << dst_mode)) == 0) {
1820 snprintf(errbuf, sizeof(errbuf), 1822 snprintf(errbuf, sizeof(errbuf),
1821 "Register %s unavailable in destination reg mode %d", 1823 "Register %s unavailable in destination reg mode %d",
@@ -1831,25 +1833,34 @@ test_writable_symbol(symbol_t *symbol)
1831} 1833}
1832 1834
1833static void 1835static void
1834type_check(symbol_t *symbol, expression_t *expression, int opcode) 1836type_check(symbol_ref_t *sym, expression_t *expression, int opcode)
1835{ 1837{
1838 symbol_t *symbol = sym->symbol;
1836 symbol_node_t *node; 1839 symbol_node_t *node;
1837 int and_op; 1840 int and_op;
1841 int8_t value, mask;
1838 1842
1839 and_op = FALSE; 1843 and_op = FALSE;
1840 if (opcode == AIC_OP_AND || opcode == AIC_OP_JNZ || opcode == AIC_OP_JZ)
1841 and_op = TRUE;
1842
1843 /* 1844 /*
1844 * Make sure that we aren't attempting to write something 1845 * Make sure that we aren't attempting to write something
1845 * that hasn't been defined. If this is an and operation, 1846 * that hasn't been defined. If this is an and operation,
1846 * this is a mask, so "undefined" bits are okay. 1847 * this is a mask, so "undefined" bits are okay.
1847 */ 1848 */
1848 if (and_op == FALSE 1849 if (opcode == AIC_OP_AND || opcode == AIC_OP_JNZ ||
1849 && (expression->value & ~symbol->info.rinfo->valid_bitmask) != 0) { 1850 opcode == AIC_OP_JZ || opcode == AIC_OP_JNE ||
1851 opcode == AIC_OP_BMOV)
1852 and_op = TRUE;
1853
1854 /*
1855 * Defaulting to 8 bit logic
1856 */
1857 mask = (int8_t)~symbol->info.rinfo->valid_bitmask;
1858 value = (int8_t)expression->value;
1859
1860 if (and_op == FALSE && (mask & value) != 0 ) {
1850 snprintf(errbuf, sizeof(errbuf), 1861 snprintf(errbuf, sizeof(errbuf),
1851 "Invalid bit(s) 0x%x in immediate written to %s", 1862 "Invalid bit(s) 0x%x in immediate written to %s",
1852 expression->value & ~symbol->info.rinfo->valid_bitmask, 1863 (mask & value),
1853 symbol->name); 1864 symbol->name);
1854 stop(errbuf, EX_DATAERR); 1865 stop(errbuf, EX_DATAERR);
1855 /* NOTREACHED */ 1866 /* NOTREACHED */
@@ -1959,3 +1970,13 @@ is_download_const(expression_t *immed)
1959 1970
1960 return (FALSE); 1971 return (FALSE);
1961} 1972}
1973
1974static int
1975is_location_address(symbol_t *sym)
1976{
1977 if (sym->type == SCBLOC ||
1978 sym->type == SRAMLOC)
1979 return (TRUE);
1980 return (FALSE);
1981}
1982
diff --git a/drivers/scsi/aic7xxx/aicasm/aicasm_scan.l b/drivers/scsi/aic7xxx/aicasm/aicasm_scan.l
index 7c3983f868a9..62b6c1bc82c6 100644
--- a/drivers/scsi/aic7xxx/aicasm/aicasm_scan.l
+++ b/drivers/scsi/aic7xxx/aicasm/aicasm_scan.l
@@ -228,15 +228,15 @@ ret { return T_RET; }
228nop { return T_NOP; } 228nop { return T_NOP; }
229 229
230 /* ARP2 16bit extensions */ 230 /* ARP2 16bit extensions */
231or16 { return T_OR16; } 231 /* or16 { return T_OR16; } */
232and16 { return T_AND16; } 232 /* and16 { return T_AND16; }*/
233xor16 { return T_XOR16; } 233 /* xor16 { return T_XOR16; }*/
234add16 { return T_ADD16; } 234 /* add16 { return T_ADD16; }*/
235adc16 { return T_ADC16; } 235 /* adc16 { return T_ADC16; }*/
236mvi16 { return T_MVI16; } 236 /* mvi16 { return T_MVI16; }*/
237test16 { return T_TEST16; } 237 /* test16 { return T_TEST16; }*/
238cmp16 { return T_CMP16; } 238 /* cmp16 { return T_CMP16; }*/
239cmpxchg { return T_CMPXCHG; } 239 /* cmpxchg { return T_CMPXCHG; }*/
240 240
241 /* Allowed Symbols */ 241 /* Allowed Symbols */
242\<\< { return T_EXPR_LSHIFT; } 242\<\< { return T_EXPR_LSHIFT; }