xnu-4570.1.46.tar.gz

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

diff --git a/osfmk/arm/cpuid_internal.h b/osfmk/arm/cpuid_internal.h
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+/*
+ * Copyright (c) 2011 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@
+ */
+
+#ifndef _ARM_CPUID_INTERNAL_H_
+#define _ARM_CPUID_INTERNAL_H_
+
+void machine_do_debugid(void);
+arm_debug_info_t *machine_arm_debug_info(void);
+
+void machine_do_mvfpid(void);
+arm_mvfp_info_t *machine_arm_mvfp_info(void);
+
+uint32_t machine_read_midr(void);
+uint32_t machine_read_clidr(void);
+uint32_t machine_read_ccsidr(void);
+
+typedef enum {
+       CSSELR_L1 = 0x0,
+       CSSELR_L2 = 0x2,
+       CSSELR_L3 = 0x4
+} csselr_cache_level;
+
+typedef enum {
+       CSSELR_DATA_UNIFIED = 0x0,
+       CSSELR_INSTR = 0x1
+} csselr_cache_type;
+
+void machine_write_csselr(csselr_cache_level level, csselr_cache_type type);
+
+#endif /* _ARM_CPUID_INTERNAL_H_ */