xnu-4570.1.46.tar.gz

[apple/xnu.git] / osfmk / arm / misc_protos.h

diff --git a/osfmk/arm/misc_protos.h b/osfmk/arm/misc_protos.h
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+/*
+ * Copyright (c) 2007 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ */
+/*
+ * @OSF_COPYRIGHT@
+ */
+
+#ifndef        _ARM_MISC_PROTOS_H_
+#define        _ARM_MISC_PROTOS_H_
+
+#include <kern/kern_types.h>
+
+extern processor_t cpu_processor_alloc(boolean_t is_boot_cpu);
+extern void cpu_processor_free(processor_t proc);
+
+extern void machine_startup(__unused boot_args *args) __attribute__((noinline));
+extern void machine_lockdown_preflight(void);
+extern void machine_lockdown(void);
+extern void arm_vm_init(uint64_t memory_size, boot_args *args);
+extern void arm_vm_prot_init(boot_args *args);
+extern void arm_vm_prot_finalize(boot_args *args);
+
+
+extern kern_return_t DebuggerXCallEnter(boolean_t);
+extern void DebuggerXCallReturn(void);
+
+#if __arm64__ && DEBUG
+extern void dump_kva_space(void);
+#endif
+
+extern void Load_context(thread_t);
+extern void Idle_load_context(void) __attribute__((noreturn));
+extern thread_t Switch_context(thread_t, thread_continue_t, thread_t);
+extern thread_t Shutdown_context(void (*doshutdown)(processor_t), processor_t  processor);
+extern void Call_continuation(thread_continue_t, void *, wait_result_t, vm_offset_t);
+
+extern void DebuggerCall(unsigned int reason, void *ctx);
+extern void DebuggerXCall(void *ctx);
+
+extern int _copyinstr(const user_addr_t user_addr, char *kernel_addr, vm_size_t max, vm_size_t *actual);
+extern int copyout_kern(const char *kernel_addr, user_addr_t user_addr, vm_size_t nbytes);
+extern int copyin_kern(const user_addr_t user_addr, char *kernel_addr, vm_size_t nbytes);
+
+extern void bcopy_phys(addr64_t from, addr64_t to, vm_size_t nbytes);
+
+extern void dcache_incoherent_io_flush64(addr64_t pa, unsigned int count, unsigned int remaining, unsigned int *res);
+extern void dcache_incoherent_io_store64(addr64_t pa, unsigned int count, unsigned int remaining, unsigned int *res);
+
+#if defined(__arm__)
+extern void copy_debug_state(arm_debug_state_t *src, arm_debug_state_t *target, __unused boolean_t all);
+#elif defined(__arm64__)
+extern void copy_legacy_debug_state(arm_legacy_debug_state_t *src, arm_legacy_debug_state_t *target, __unused boolean_t all);
+extern void copy_debug_state32(arm_debug_state32_t *src, arm_debug_state32_t *target, __unused boolean_t all);
+extern void copy_debug_state64(arm_debug_state64_t *src, arm_debug_state64_t *target, __unused boolean_t all);
+
+extern boolean_t debug_legacy_state_is_valid(arm_legacy_debug_state_t *ds);
+extern boolean_t debug_state_is_valid32(arm_debug_state32_t *ds);
+extern boolean_t debug_state_is_valid64(arm_debug_state64_t *ds);
+
+extern int copyio_check_user_addr(user_addr_t user_addr, vm_size_t nbytes);
+extern int _emulate_swp(user_addr_t addr, uint32_t newval, uint32_t *oldval);
+extern int _emulate_swpb(user_addr_t addr, uint8_t newval, uint32_t *oldval);
+
+/* Top-Byte-Ignore */
+extern boolean_t user_tbi;
+#define TBI_MASK               0xff00000000000000
+#define user_tbi_enabled()     (user_tbi)
+#define tbi_clear(addr)                ((addr) & ~(TBI_MASK))
+
+#else
+#error Unknown architecture.
+#endif
+
+#endif /* _ARM_MISC_PROTOS_H_ */