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Convert Sparc64 trap state ops to TCG

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4018 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
blueswir1 2008-03-05 17:59:48 +00:00
parent 21fc3cfc10
commit 375ee38b4b
5 changed files with 103 additions and 70 deletions
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81
target-sparc/translate.c
View file

@ -1386,16 +1386,48 @@ static void disas_sparc_insn(DisasContext * dc)
rs1 = GET_FIELD(insn, 13, 17);
switch (rs1) {
case 0: // tpc
gen_op_rdtpc();
{
TCGv r_tsptr;
r_tsptr = tcg_temp_new(TCG_TYPE_PTR);
tcg_gen_ld_ptr(r_tsptr, cpu_env,
offsetof(CPUState, tsptr));
tcg_gen_ld_tl(cpu_T[0], r_tsptr,
offsetof(trap_state, tpc));
}
break;
case 1: // tnpc
gen_op_rdtnpc();
{
TCGv r_tsptr;
r_tsptr = tcg_temp_new(TCG_TYPE_PTR);
tcg_gen_ld_ptr(r_tsptr, cpu_env,
offsetof(CPUState, tsptr));
tcg_gen_ld_tl(cpu_T[0], r_tsptr,
offsetof(trap_state, tnpc));
}
break;
case 2: // tstate
gen_op_rdtstate();
{
TCGv r_tsptr;
r_tsptr = tcg_temp_new(TCG_TYPE_PTR);
tcg_gen_ld_ptr(r_tsptr, cpu_env,
offsetof(CPUState, tsptr));
tcg_gen_ld_tl(cpu_T[0], r_tsptr,
offsetof(trap_state, tstate));
}
break;
case 3: // tt
gen_op_rdtt();
{
TCGv r_tsptr;
r_tsptr = tcg_temp_new(TCG_TYPE_PTR);
tcg_gen_ld_ptr(r_tsptr, cpu_env,
offsetof(CPUState, tsptr));
tcg_gen_ld_i32(cpu_T[0], r_tsptr,
offsetof(trap_state, tt));
}
break;
case 4: // tick
{
@ -2536,16 +2568,48 @@ static void disas_sparc_insn(DisasContext * dc)
#ifdef TARGET_SPARC64
switch (rd) {
case 0: // tpc
gen_op_wrtpc();
{
TCGv r_tsptr;
r_tsptr = tcg_temp_new(TCG_TYPE_PTR);
tcg_gen_ld_ptr(r_tsptr, cpu_env,
offsetof(CPUState, tsptr));
tcg_gen_st_tl(cpu_T[0], r_tsptr,
offsetof(trap_state, tpc));
}
break;
case 1: // tnpc
gen_op_wrtnpc();
{
TCGv r_tsptr;
r_tsptr = tcg_temp_new(TCG_TYPE_PTR);
tcg_gen_ld_ptr(r_tsptr, cpu_env,
offsetof(CPUState, tsptr));
tcg_gen_st_tl(cpu_T[0], r_tsptr,
offsetof(trap_state, tnpc));
}
break;
case 2: // tstate
gen_op_wrtstate();
{
TCGv r_tsptr;
r_tsptr = tcg_temp_new(TCG_TYPE_PTR);
tcg_gen_ld_ptr(r_tsptr, cpu_env,
offsetof(CPUState, tsptr));
tcg_gen_st_tl(cpu_T[0], r_tsptr,
offsetof(trap_state, tstate));
}
break;
case 3: // tt
gen_op_wrtt();
{
TCGv r_tsptr;
r_tsptr = tcg_temp_new(TCG_TYPE_PTR);
tcg_gen_ld_ptr(r_tsptr, cpu_env,
offsetof(CPUState, tsptr));
tcg_gen_st_i32(cpu_T[0], r_tsptr,
offsetof(trap_state, tt));
}
break;
case 4: // tick
{
@ -3921,6 +3985,7 @@ void cpu_reset(CPUSPARCState *env)
env->pstate = PS_PRIV;
env->hpstate = HS_PRIV;
env->pc = 0x1fff0000000ULL;
env->tsptr = &env->ts[env->tl];
#else
env->pc = 0;
env->mmuregs[0] &= ~(MMU_E | MMU_NF);