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microblaze: Move the saving of the reservation addr into gen_load 

No functional change.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
This commit is contained in:
Edgar E. Iglesias 2013-10-23 13:58:08 +02:00
parent 09b9f113ad
commit 536446e914
1 changed files with 8 additions and 5 deletions
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13
target-microblaze/translate.c
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@ -863,7 +863,7 @@ static void dec_imm(DisasContext *dc)
}
static inline void gen_load(DisasContext *dc, TCGv dst, TCGv addr,
unsigned int size)
unsigned int size, bool exclusive)
{
int mem_index = cpu_mmu_index(dc->env);
@ -875,6 +875,10 @@ static inline void gen_load(DisasContext *dc, TCGv dst, TCGv addr,
tcg_gen_qemu_ld32u(dst, addr, mem_index);
} else
cpu_abort(dc->env, "Incorrect load size %d\n", size);
if (exclusive) {
tcg_gen_st_tl(addr, cpu_env, offsetof(CPUMBState, res_addr));
}
}
static inline TCGv *compute_ldst_addr(DisasContext *dc, TCGv *t)
@ -1046,7 +1050,7 @@ static void dec_load(DisasContext *dc)
* into v. If the load succeeds, we verify alignment of the
* address and if that succeeds we write into the destination reg.
*/
gen_load(dc, v, *addr, size);
gen_load(dc, v, *addr, size, ex);
tcg_gen_movi_tl(cpu_SR[SR_PC], dc->pc);
gen_helper_memalign(cpu_env, *addr, tcg_const_tl(dc->rd),
@ -1061,20 +1065,19 @@ static void dec_load(DisasContext *dc)
tcg_temp_free(v);
} else {
if (dc->rd) {
gen_load(dc, cpu_R[dc->rd], *addr, size);
gen_load(dc, cpu_R[dc->rd], *addr, size, ex);
if (rev) {
dec_byteswap(dc, cpu_R[dc->rd], cpu_R[dc->rd], size);
}
} else {
/* We are loading into r0, no need to reverse. */
gen_load(dc, env_imm, *addr, size);
gen_load(dc, env_imm, *addr, size, ex);
}
}
if (ex) { /* lwx */
/* no support for for AXI exclusive so always clear C */
write_carryi(dc, 0);
tcg_gen_st_tl(*addr, cpu_env, offsetof(CPUMBState, res_addr));
}
if (addr == &t)