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sparc64: improve ldf and stf insns 

- implemented block load/store primary/secondary with user privilege

Signed-off-by: Igor V. Kovalenko <igor.v.kovalenko@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
master
Igor V. Kovalenko 2010-06-02 00:12:48 +04:00 committed by Blue Swirl
parent b219094ace
commit 0e2fa9cab9
1 changed files with 28 additions and 0 deletions
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28
target-sparc/op_helper.c
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@ -3163,6 +3163,20 @@ void helper_ldf_asi(target_ulong addr, int asi, int size, int rd)
addr += 4;
}
return;
case 0x70: // Block load primary, user privilege
case 0x71: // Block load secondary, user privilege
if (rd & 7) {
raise_exception(TT_ILL_INSN);
return;
}
helper_check_align(addr, 0x3f);
for (i = 0; i < 16; i++) {
*(uint32_t *)&env->fpr[rd++] = helper_ld_asi(addr, asi & 0x1f, 4,
0);
addr += 4;
}
return;
default:
break;
@ -3209,6 +3223,20 @@ void helper_stf_asi(target_ulong addr, int asi, int size, int rd)
addr += 4;
}
return;
case 0x70: // Block store primary, user privilege
case 0x71: // Block store secondary, user privilege
if (rd & 7) {
raise_exception(TT_ILL_INSN);
return;
}
helper_check_align(addr, 0x3f);
for (i = 0; i < 16; i++) {
val = *(uint32_t *)&env->fpr[rd++];
helper_st_asi(addr, val, asi & 0x1f, 4);
addr += 4;
}
return;
default:
break;