diff options
Diffstat (limited to 'target-arm/cpu.c')
| -rw-r--r-- | target-arm/cpu.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/target-arm/cpu.c b/target-arm/cpu.c index b2556c66b4..d40f2a7a4f 100644 --- a/target-arm/cpu.c +++ b/target-arm/cpu.c @@ -84,6 +84,11 @@ static void arm_cpu_reset(CPUState *s) env->iwmmxt.cregs[ARM_IWMMXT_wCID] = 0x69051000 | 'Q'; } + if (arm_feature(env, ARM_FEATURE_AARCH64)) { + /* 64 bit CPUs always start in 64 bit mode */ + env->aarch64 = 1; + } + #if defined(CONFIG_USER_ONLY) env->uncached_cpsr = ARM_CPU_MODE_USR; /* For user mode we must enable access to coprocessors */ @@ -108,7 +113,7 @@ static void arm_cpu_reset(CPUState *s) modified flash and reset itself. However images loaded via -kernel have not been copied yet, so load the values directly from there. */ - env->regs[13] = ldl_p(rom); + env->regs[13] = ldl_p(rom) & 0xFFFFFFFC; pc = ldl_p(rom + 4); env->thumb = pc & 1; env->regs[15] = pc & ~1; @@ -288,8 +293,6 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp) acc->parent_realize(dev, errp); } -/* CPU models */ - static ObjectClass *arm_cpu_class_by_name(const char *cpu_model) { ObjectClass *oc; @@ -309,6 +312,9 @@ static ObjectClass *arm_cpu_class_by_name(const char *cpu_model) return oc; } +/* CPU models. These are not needed for the AArch64 linux-user build. */ +#if !defined(CONFIG_USER_ONLY) || !defined(TARGET_AARCH64) + static void arm926_initfn(Object *obj) { ARMCPU *cpu = ARM_CPU(obj); @@ -822,6 +828,7 @@ static void pxa270c5_initfn(Object *obj) cpu->reset_sctlr = 0x00000078; } +#ifdef CONFIG_USER_ONLY static void arm_any_initfn(Object *obj) { ARMCPU *cpu = ARM_CPU(obj); @@ -832,8 +839,14 @@ static void arm_any_initfn(Object *obj) set_feature(&cpu->env, ARM_FEATURE_THUMB2EE); set_feature(&cpu->env, ARM_FEATURE_ARM_DIV); set_feature(&cpu->env, ARM_FEATURE_V7MP); +#ifdef TARGET_AARCH64 + set_feature(&cpu->env, ARM_FEATURE_AARCH64); +#endif cpu->midr = 0xffffffff; } +#endif + +#endif /* !defined(CONFIG_USER_ONLY) || !defined(TARGET_AARCH64) */ typedef struct ARMCPUInfo { const char *name; @@ -842,6 +855,7 @@ typedef struct ARMCPUInfo { } ARMCPUInfo; static const ARMCPUInfo arm_cpus[] = { +#if !defined(CONFIG_USER_ONLY) || !defined(TARGET_AARCH64) { .name = "arm926", .initfn = arm926_initfn }, { .name = "arm946", .initfn = arm946_initfn }, { .name = "arm1026", .initfn = arm1026_initfn }, @@ -874,7 +888,10 @@ static const ARMCPUInfo arm_cpus[] = { { .name = "pxa270-b1", .initfn = pxa270b1_initfn }, { .name = "pxa270-c0", .initfn = pxa270c0_initfn }, { .name = "pxa270-c5", .initfn = pxa270c5_initfn }, +#ifdef CONFIG_USER_ONLY { .name = "any", .initfn = arm_any_initfn }, +#endif +#endif }; static void arm_cpu_class_init(ObjectClass *oc, void *data) |