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Diffstat (limited to 'include/bl31/cpu_data.h')
-rw-r--r-- | include/bl31/cpu_data.h | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/include/bl31/cpu_data.h b/include/bl31/cpu_data.h deleted file mode 100644 index 4fc801bf..00000000 --- a/include/bl31/cpu_data.h +++ /dev/null @@ -1,139 +0,0 @@ -/* - * Copyright (c) 2014-2016, ARM Limited and Contributors. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * Redistributions of source code must retain the above copyright notice, this - * list of conditions and the following disclaimer. - * - * Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * - * Neither the name of ARM nor the names of its contributors may be used - * to endorse or promote products derived from this software without specific - * prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef __CPU_DATA_H__ -#define __CPU_DATA_H__ - -/* Offsets for the cpu_data structure */ -#define CPU_DATA_CRASH_BUF_OFFSET 0x18 -#if CRASH_REPORTING -#define CPU_DATA_LOG2SIZE 7 -#else -#define CPU_DATA_LOG2SIZE 6 -#endif -/* need enough space in crash buffer to save 8 registers */ -#define CPU_DATA_CRASH_BUF_SIZE 64 -#define CPU_DATA_CPU_OPS_PTR 0x10 - -#ifndef __ASSEMBLY__ - -#include <arch_helpers.h> -#include <cassert.h> -#include <platform_def.h> -#include <psci.h> -#include <stdint.h> - -/* Offsets for the cpu_data structure */ -#define CPU_DATA_PSCI_LOCK_OFFSET __builtin_offsetof\ - (cpu_data_t, psci_svc_cpu_data.pcpu_bakery_info) - -#if PLAT_PCPU_DATA_SIZE -#define CPU_DATA_PLAT_PCPU_OFFSET __builtin_offsetof\ - (cpu_data_t, platform_cpu_data) -#endif - -/******************************************************************************* - * Function & variable prototypes - ******************************************************************************/ - -/******************************************************************************* - * Cache of frequently used per-cpu data: - * Pointers to non-secure and secure security state contexts - * Address of the crash stack - * It is aligned to the cache line boundary to allow efficient concurrent - * manipulation of these pointers on different cpus - * - * TODO: Add other commonly used variables to this (tf_issues#90) - * - * The data structure and the _cpu_data accessors should not be used directly - * by components that have per-cpu members. The member access macros should be - * used for this. - ******************************************************************************/ -typedef struct cpu_data { - void *cpu_context[2]; - uintptr_t cpu_ops_ptr; -#if CRASH_REPORTING - u_register_t crash_buf[CPU_DATA_CRASH_BUF_SIZE >> 3]; -#endif - struct psci_cpu_data psci_svc_cpu_data; -#if PLAT_PCPU_DATA_SIZE - uint8_t platform_cpu_data[PLAT_PCPU_DATA_SIZE]; -#endif -} __aligned(CACHE_WRITEBACK_GRANULE) cpu_data_t; - -#if CRASH_REPORTING -/* verify assembler offsets match data structures */ -CASSERT(CPU_DATA_CRASH_BUF_OFFSET == __builtin_offsetof - (cpu_data_t, crash_buf), - assert_cpu_data_crash_stack_offset_mismatch); -#endif - -CASSERT((1 << CPU_DATA_LOG2SIZE) == sizeof(cpu_data_t), - assert_cpu_data_log2size_mismatch); - -CASSERT(CPU_DATA_CPU_OPS_PTR == __builtin_offsetof - (cpu_data_t, cpu_ops_ptr), - assert_cpu_data_cpu_ops_ptr_offset_mismatch); - -struct cpu_data *_cpu_data_by_index(uint32_t cpu_index); - -/* Return the cpu_data structure for the current CPU. */ -static inline struct cpu_data *_cpu_data(void) -{ - return (cpu_data_t *)read_tpidr_el3(); -} - - -/************************************************************************** - * APIs for initialising and accessing per-cpu data - *************************************************************************/ - -void init_cpu_data_ptr(void); -void init_cpu_ops(void); - -#define get_cpu_data(_m) _cpu_data()->_m -#define set_cpu_data(_m, _v) _cpu_data()->_m = _v -#define get_cpu_data_by_index(_ix, _m) _cpu_data_by_index(_ix)->_m -#define set_cpu_data_by_index(_ix, _m, _v) _cpu_data_by_index(_ix)->_m = _v - -#define flush_cpu_data(_m) flush_dcache_range((uintptr_t) \ - &(_cpu_data()->_m), \ - sizeof(_cpu_data()->_m)) -#define inv_cpu_data(_m) inv_dcache_range((uintptr_t) \ - &(_cpu_data()->_m), \ - sizeof(_cpu_data()->_m)) -#define flush_cpu_data_by_index(_ix, _m) \ - flush_dcache_range((uintptr_t) \ - &(_cpu_data_by_index(_ix)->_m), \ - sizeof(_cpu_data_by_index(_ix)->_m)) - - -#endif /* __ASSEMBLY__ */ -#endif /* __CPU_DATA_H__ */ |