25 |
* SUCH DAMAGE. |
* SUCH DAMAGE. |
26 |
* |
* |
27 |
* |
* |
28 |
* $Id: cpu_sparc.c,v 1.30 2006/06/16 18:31:26 debug Exp $ |
* $Id: cpu_sparc.c,v 1.38 2006/09/19 10:50:08 debug Exp $ |
29 |
* |
* |
30 |
* SPARC CPU emulation. |
* SPARC CPU emulation. |
31 |
*/ |
*/ |
39 |
#include "machine.h" |
#include "machine.h" |
40 |
#include "memory.h" |
#include "memory.h" |
41 |
#include "misc.h" |
#include "misc.h" |
42 |
|
#include "settings.h" |
43 |
#include "symbol.h" |
#include "symbol.h" |
44 |
|
|
45 |
|
|
91 |
|
|
92 |
cpu->instruction_has_delayslot = sparc_cpu_instruction_has_delayslot; |
cpu->instruction_has_delayslot = sparc_cpu_instruction_has_delayslot; |
93 |
|
|
94 |
|
/* TODO: Separate this into 64-bit vs 32-bit? */ |
95 |
|
cpu->translate_v2p = sparc_translate_v2p; |
96 |
|
|
97 |
if (cpu->is_32bit) { |
if (cpu->is_32bit) { |
98 |
|
cpu->run_instr = sparc32_run_instr; |
99 |
cpu->update_translation_table = |
cpu->update_translation_table = |
100 |
sparc32_update_translation_table; |
sparc32_update_translation_table; |
101 |
cpu->invalidate_translation_caches = |
cpu->invalidate_translation_caches = |
103 |
cpu->invalidate_code_translation = |
cpu->invalidate_code_translation = |
104 |
sparc32_invalidate_code_translation; |
sparc32_invalidate_code_translation; |
105 |
} else { |
} else { |
106 |
|
cpu->run_instr = sparc_run_instr; |
107 |
cpu->update_translation_table = sparc_update_translation_table; |
cpu->update_translation_table = sparc_update_translation_table; |
108 |
cpu->invalidate_translation_caches = |
cpu->invalidate_translation_caches = |
109 |
sparc_invalidate_translation_caches; |
sparc_invalidate_translation_caches; |
141 |
/* Insert number of Windows and Trap levels into the version reg.: */ |
/* Insert number of Windows and Trap levels into the version reg.: */ |
142 |
cpu->cd.sparc.ver |= MAXWIN | (MAXTL << SPARC_VER_MAXTL_SHIFT); |
cpu->cd.sparc.ver |= MAXWIN | (MAXTL << SPARC_VER_MAXTL_SHIFT); |
143 |
|
|
144 |
sparc_init_64bit_dummy_tables(cpu); |
/* Misc. initial settings suitable for userland emulation: */ |
145 |
|
cpu->cd.sparc.cansave = cpu->cd.sparc.cpu_type.nwindows - 1; |
146 |
|
cpu->cd.sparc.cleanwin = cpu->cd.sparc.cpu_type.nwindows / 2; |
147 |
|
|
148 |
|
if (cpu->cd.sparc.cpu_type.nwindows >= MAXWIN) { |
149 |
|
fatal("Fatal internal error: nwindows = %1 is more than %i\n", |
150 |
|
cpu->cd.sparc.cpu_type.nwindows, MAXWIN); |
151 |
|
exit(1); |
152 |
|
} |
153 |
|
|
154 |
|
CPU_SETTINGS_ADD_REGISTER64("pc", cpu->pc); |
155 |
|
CPU_SETTINGS_ADD_REGISTER64("y", cpu->cd.sparc.y); |
156 |
|
CPU_SETTINGS_ADD_REGISTER64("pstate", cpu->cd.sparc.pstate); |
157 |
|
for (i=0; i<N_SPARC_REG; i++) |
158 |
|
CPU_SETTINGS_ADD_REGISTER64(sparc_regnames[i], |
159 |
|
cpu->cd.sparc.r[i]); |
160 |
|
/* TODO: Handler for writes to the zero register! */ |
161 |
|
|
162 |
return 1; |
return 1; |
163 |
} |
} |
291 |
|
|
292 |
|
|
293 |
/* |
/* |
|
* sparc_cpu_register_match(): |
|
|
*/ |
|
|
void sparc_cpu_register_match(struct machine *m, char *name, |
|
|
int writeflag, uint64_t *valuep, int *match_register) |
|
|
{ |
|
|
int i, cpunr = 0; |
|
|
|
|
|
/* CPU number: */ |
|
|
/* TODO */ |
|
|
|
|
|
for (i=0; i<N_SPARC_REG; i++) { |
|
|
if (strcasecmp(name, sparc_regnames[i]) == 0) { |
|
|
if (writeflag && i != SPARC_ZEROREG) |
|
|
m->cpus[cpunr]->cd.sparc.r[i] = *valuep; |
|
|
else |
|
|
*valuep = m->cpus[cpunr]->cd.sparc.r[i]; |
|
|
*match_register = 1; |
|
|
} |
|
|
} |
|
|
|
|
|
if (strcasecmp(name, "pc") == 0) { |
|
|
if (writeflag) { |
|
|
m->cpus[cpunr]->pc = *valuep; |
|
|
} else { |
|
|
*valuep = m->cpus[cpunr]->pc; |
|
|
} |
|
|
*match_register = 1; |
|
|
} |
|
|
|
|
|
if (strcasecmp(name, "y") == 0) { |
|
|
if (writeflag) { |
|
|
m->cpus[cpunr]->cd.sparc.y = (uint32_t) *valuep; |
|
|
} else { |
|
|
*valuep = (uint32_t) m->cpus[cpunr]->cd.sparc.y; |
|
|
} |
|
|
*match_register = 1; |
|
|
} |
|
|
|
|
|
if (*match_register && m->cpus[cpunr]->is_32bit) |
|
|
(*valuep) &= 0xffffffffULL; |
|
|
} |
|
|
|
|
|
|
|
|
/* |
|
294 |
* sparc_cpu_tlbdump(): |
* sparc_cpu_tlbdump(): |
295 |
* |
* |
296 |
* Called from the debugger to dump the TLB in a readable format. |
* Called from the debugger to dump the TLB in a readable format. |
440 |
switch (op2) { |
switch (op2) { |
441 |
case 56:/* jump and link */ |
case 56:/* jump and link */ |
442 |
return 1; |
return 1; |
443 |
|
case 57:/* return */ |
444 |
|
return 1; |
445 |
} |
} |
446 |
break; |
break; |
447 |
} |
} |
645 |
case 41:rs_name = "psr"; |
case 41:rs_name = "psr"; |
646 |
no_rs2 = 1; |
no_rs2 = 1; |
647 |
break; |
break; |
648 |
case 42:rs_name = "wim"; |
case 42:/* TODO: something with wim only, on sparc v8? */ |
649 |
|
rs_name = sparc_pregnames[rs1]; |
650 |
no_rs2 = 1; |
no_rs2 = 1; |
651 |
break; |
break; |
652 |
case 43:/* ? */ |
case 43:/* ? */ |
717 |
if ((iword >> 13) & 1) { |
if ((iword >> 13) & 1) { |
718 |
if (siconst >= -9 && siconst <= 9) |
if (siconst >= -9 && siconst <= 9) |
719 |
debug("%i", siconst); |
debug("%i", siconst); |
720 |
|
else if (siconst < 0 && (op2 == 0 || |
721 |
|
op2 == 4 || op2 == 20 || op2 == 60)) |
722 |
|
debug("-0x%x", -siconst); |
723 |
else |
else |
724 |
debug("0x%x", siconst); |
debug("0x%x", siconst); |
725 |
} else { |
} else { |
732 |
debug("%%%s", rd_name); |
debug("%%%s", rd_name); |
733 |
break; |
break; |
734 |
|
|
735 |
case 3: debug("%s\t", sparc_loadstore_names[op2]); |
case 3: mnem = sparc_loadstore_names[op2]; |
736 |
|
switch (op2) { |
737 |
|
case 0: /* 'lduw' was called only 'ld' in pre-v9 */ |
738 |
|
if (cpu->cd.sparc.cpu_type.v < 9) |
739 |
|
mnem = "ld"; |
740 |
|
break; |
741 |
|
} |
742 |
|
debug("%s\t", mnem); |
743 |
if (op2 & 4) |
if (op2 & 4) |
744 |
debug("%%%s,", sparc_regnames[rd]); |
debug("%%%s,", sparc_regnames[rd]); |
745 |
debug("[%%%s", sparc_regnames[rs1]); |
debug("[%%%s", sparc_regnames[rs1]); |
753 |
debug("+%%%s", sparc_regnames[rs2]); |
debug("+%%%s", sparc_regnames[rs2]); |
754 |
} |
} |
755 |
debug("]"); |
debug("]"); |
756 |
if (asi != 0) |
if ((op2 & 0x30) == 0x10) |
757 |
debug("(%i)", asi); |
debug("(%i)", asi); |
758 |
if (!(op2 & 4)) |
if (!(op2 & 4)) |
759 |
debug(",%%%s", sparc_regnames[rd]); |
debug(",%%%s", sparc_regnames[rd]); |