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Fix Sparc64 ldfa, lddfa, stfa, and stdfa instructions 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3298 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
blueswir1 2007-09-30 19:38:12 +00:00
parent ee0b03fd85
commit 3391c81801
4 changed files with 133 additions and 6 deletions
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2
target-sparc/exec.h
View File

@ -51,6 +51,8 @@ void cpu_loop_exit(void);
void helper_flush(target_ulong addr);
void helper_ld_asi(int asi, int size, int sign);
void helper_st_asi(int asi, int size);
void helper_ldf_asi(int asi, int size, int rd);
void helper_stf_asi(int asi, int size, int rd);
void helper_rett(void);
void helper_ldfsr(void);
void set_cwp(int new_cwp);

22
target-sparc/op.c
View File

@ -1865,6 +1865,28 @@ void OPPROTO op_st_asi_reg()
helper_st_asi(env->asi, PARAM2);
}
void OPPROTO op_ldf_asi_reg()
{
T0 += PARAM1;
helper_ldf_asi(env->asi, PARAM2, PARAM3);
}
void OPPROTO op_stf_asi_reg()
{
T0 += PARAM1;
helper_stf_asi(env->asi, PARAM2, PARAM3);
}
void OPPROTO op_ldf_asi()
{
helper_ldf_asi(PARAM1, PARAM2, PARAM3);
}
void OPPROTO op_stf_asi()
{
helper_stf_asi(PARAM1, PARAM2, PARAM3);
}
void OPPROTO op_ldstub_asi_reg() /* XXX: should be atomically */
{
target_ulong tmp;

73
target-sparc/op_helper.c
View File

@ -1126,6 +1126,79 @@ void helper_st_asi(int asi, int size)
}
}
#endif /* CONFIG_USER_ONLY */
void helper_ldf_asi(int asi, int size, int rd)
{
target_ulong tmp_T0 = T0, tmp_T1 = T1;
unsigned int i;
switch (asi) {
case 0xf0: // Block load primary
case 0xf1: // Block load secondary
case 0xf8: // Block load primary LE
case 0xf9: // Block load secondary LE
for (i = 0; i < 8; i++) {
helper_ld_asi(asi & 0x8f, 8, 0);
*((int64_t *)&DT0) = T1;
T0 += 8;
}
T0 = tmp_T0;
T1 = tmp_T1;
return;
default:
break;
}
helper_ld_asi(asi, size, 0);
switch(size) {
default:
case 4:
*((uint32_t *)&FT0) = T1;
break;
case 8:
*((int64_t *)&DT0) = T1;
break;
}
T1 = tmp_T1;
}
void helper_stf_asi(int asi, int size, int rd)
{
target_ulong tmp_T0 = T0, tmp_T1 = T1;
unsigned int i;
switch (asi) {
case 0xf0: // Block store primary
case 0xf1: // Block store secondary
case 0xf8: // Block store primary LE
case 0xf9: // Block store secondary LE
for (i = 0; i < 8; i++) {
T1 = *((int64_t *)&DT0);
helper_st_asi(asi & 0x8f, 8);
T0 += 8;
}
T0 = tmp_T0;
T1 = tmp_T1;
return;
default:
break;
}
switch(size) {
default:
case 4:
T1 = *((uint32_t *)&FT0);
break;
case 8:
T1 = *((int64_t *)&DT0);
break;
}
helper_st_asi(asi, size);
T1 = tmp_T1;
}
#endif /* TARGET_SPARC64 */
#ifndef TARGET_SPARC64

42
target-sparc/translate.c
View File

@ -427,6 +427,34 @@ static inline void gen_st_asi(int insn, int size)
}
}
static inline void gen_ldf_asi(int insn, int size)
{
int asi, offset, rd;
rd = GET_FIELD(insn, 2, 6);
if (IS_IMM) {
offset = GET_FIELD(insn, 25, 31);
gen_op_ldf_asi_reg(offset, size, rd);
} else {
asi = GET_FIELD(insn, 19, 26);
gen_op_ldf_asi(asi, size, rd);
}
}
static inline void gen_stf_asi(int insn, int size)
{
int asi, offset, rd;
rd = GET_FIELD(insn, 2, 6);
if (IS_IMM) {
offset = GET_FIELD(insn, 25, 31);
gen_op_stf_asi_reg(offset, size, rd);
} else {
asi = GET_FIELD(insn, 19, 26);
gen_op_stf_asi(asi, size, rd);
}
}
static inline void gen_swap_asi(int insn)
{
int asi, offset;
@ -3069,11 +3097,11 @@ static void disas_sparc_insn(DisasContext * dc)
#ifdef CONFIG_USER_ONLY
gen_op_check_align_T0_3();
#endif
gen_ld_asi(insn, 8, 0); // XXX
gen_ldf_asi(insn, 4);
goto skip_move;
case 0x33: /* V9 lddfa */
gen_op_check_align_T0_7();
gen_ld_asi(insn, 8, 0); // XXX
gen_op_check_align_T0_3();
gen_ldf_asi(insn, 8);
goto skip_move;
case 0x3d: /* V9 prefetcha, no effect */
goto skip_move;
@ -3245,11 +3273,13 @@ static void disas_sparc_insn(DisasContext * dc)
#ifdef CONFIG_USER_ONLY
gen_op_check_align_T0_3();
#endif
gen_st_asi(insn, 0); // XXX
gen_op_load_fpr_FT0(rd);
gen_stf_asi(insn, 4);
break;
case 0x37: /* V9 stdfa */
gen_op_check_align_T0_7();
gen_st_asi(insn, 0); // XXX
gen_op_check_align_T0_3();
gen_op_load_fpr_DT0(DFPREG(rd));
gen_stf_asi(insn, 8);
break;
case 0x3c: /* V9 casa */
#ifdef CONFIG_USER_ONLY