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flush insn support 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@743 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-04-25 17:56:08 +00:00
parent 1190935d98
commit 658138bcbc
3 changed files with 13 additions and 1 deletions
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1
target-sparc/exec.h
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@ -13,4 +13,5 @@ register uint32_t T2 asm(AREG3);
void cpu_lock(void);
void cpu_unlock(void);
void cpu_loop_exit(void);
void helper_flush(target_ulong addr);
#endif

4
target-sparc/op.c
View File

@ -683,3 +683,7 @@ void OPPROTO op_generic_branch(void)
FORCE_RET();
}
void OPPROTO op_flush_T0(void)
{
helper_flush(T0);
}

9
target-sparc/translate.c
View File

@ -650,7 +650,8 @@ static void disas_sparc_insn(DisasContext * dc)
}
goto jmp_insn;
case 0x3b: /* flush */
/* nothing to do */
gen_op_add_T1_T0();
gen_op_flush_T0();
break;
case 0x3c: /* save */
save_state(dc);
@ -878,3 +879,9 @@ target_ulong cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
{
return addr;
}
void helper_flush(target_ulong addr)
{
addr &= ~7;
tb_invalidate_page_range(addr, addr + 8);
}