From b05550af11763cb96fa5b368cc0cebcb837b7846 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Thu, 21 Apr 2022 08:17:09 -0700 Subject: [PATCH] target/nios2: Implement cpuid Copy the existing cpu_index into the space reserved for CR_CPUID. Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson Message-Id: <20220421151735.31996-39-richard.henderson@linaro.org> --- target/nios2/cpu.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/target/nios2/cpu.c b/target/nios2/cpu.c index b3c5ae681c..a0c3e97d72 100644 --- a/target/nios2/cpu.c +++ b/target/nios2/cpu.c @@ -163,6 +163,7 @@ static void realize_cr_status(CPUState *cs) static void nios2_cpu_realizefn(DeviceState *dev, Error **errp) { CPUState *cs = CPU(dev); + Nios2CPU *cpu = NIOS2_CPU(cs); Nios2CPUClass *ncc = NIOS2_CPU_GET_CLASS(dev); Error *local_err = NULL; @@ -176,6 +177,9 @@ static void nios2_cpu_realizefn(DeviceState *dev, Error **errp) qemu_init_vcpu(cs); cpu_reset(cs); + /* We have reserved storage for cpuid; might as well use it. */ + cpu->env.ctrl[CR_CPUID] = cs->cpu_index; + ncc->parent_realize(dev, errp); }