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target/microblaze: Split out BTR from env->sregs

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Continue eliminating the sregs array in favor of individual members.
Does not correct the width of BTR, yet.

Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2020-08-19 21:58:40 -07:00
parent 5a8e01366c
commit 6fbf78f24a
4 changed files with 9 additions and 6 deletions
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4
target/microblaze/helper.c
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@ -132,7 +132,7 @@ void mb_cpu_do_interrupt(CPUState *cs)
/* Exception breaks branch + dslot sequence? */
if (env->iflags & D_FLAG) {
env->esr |= 1 << 12 ;
env->sregs[SR_BTR] = env->btarget;
env->btr = env->btarget;
}
/* Disable the MMU. */
@ -160,7 +160,7 @@ void mb_cpu_do_interrupt(CPUState *cs)
if (env->iflags & D_FLAG) {
D(qemu_log("D_FLAG set at exception bimm=%d\n", env->bimm));
env->esr |= 1 << 12 ;
env->sregs[SR_BTR] = env->btarget;
env->btr = env->btarget;
/* Reexecute the branch. */
env->regs[17] -= 4;