diff options
Diffstat (limited to 'target-arm')
| -rw-r--r-- | target-arm/helper.c | 7 | ||||
| -rw-r--r-- | target-arm/machine.c | 5 |
2 files changed, 7 insertions, 5 deletions
diff --git a/target-arm/helper.c b/target-arm/helper.c index 3be917c22e..417161e216 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -2081,6 +2081,13 @@ static void sctlr_write(CPUARMState *env, const ARMCPRegInfo *ri, { ARMCPU *cpu = arm_env_get_cpu(env); + if (env->cp15.c1_sys == value) { + /* Skip the TLB flush if nothing actually changed; Linux likes + * to do a lot of pointless SCTLR writes. + */ + return; + } + env->cp15.c1_sys = value; /* ??? Lots of these bits are not implemented. */ /* This may enable/disable the MMU, so do a TLB flush. */ diff --git a/target-arm/machine.c b/target-arm/machine.c index 810ba27f40..5092dcda79 100644 --- a/target-arm/machine.c +++ b/target-arm/machine.c @@ -39,7 +39,6 @@ static const VMStateDescription vmstate_vfp = { .name = "cpu/vfp", .version_id = 3, .minimum_version_id = 3, - .minimum_version_id_old = 3, .fields = (VMStateField[]) { VMSTATE_FLOAT64_ARRAY(env.vfp.regs, ARMCPU, 64), /* The xregs array is a little awkward because element 1 (FPSCR) @@ -72,7 +71,6 @@ static const VMStateDescription vmstate_iwmmxt = { .name = "cpu/iwmmxt", .version_id = 1, .minimum_version_id = 1, - .minimum_version_id_old = 1, .fields = (VMStateField[]) { VMSTATE_UINT64_ARRAY(env.iwmmxt.regs, ARMCPU, 16), VMSTATE_UINT32_ARRAY(env.iwmmxt.cregs, ARMCPU, 16), @@ -92,7 +90,6 @@ static const VMStateDescription vmstate_m = { .name = "cpu/m", .version_id = 1, .minimum_version_id = 1, - .minimum_version_id_old = 1, .fields = (VMStateField[]) { VMSTATE_UINT32(env.v7m.other_sp, ARMCPU), VMSTATE_UINT32(env.v7m.vecbase, ARMCPU), @@ -116,7 +113,6 @@ static const VMStateDescription vmstate_thumb2ee = { .name = "cpu/thumb2ee", .version_id = 1, .minimum_version_id = 1, - .minimum_version_id_old = 1, .fields = (VMStateField[]) { VMSTATE_UINT32(env.teecr, ARMCPU), VMSTATE_UINT32(env.teehbr, ARMCPU), @@ -224,7 +220,6 @@ const VMStateDescription vmstate_arm_cpu = { .name = "cpu", .version_id = 17, .minimum_version_id = 17, - .minimum_version_id_old = 17, .pre_save = cpu_pre_save, .post_load = cpu_post_load, .fields = (VMStateField[]) { |