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Move TSP private declarations into separate header

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Move the TSP private declarations out of tsp.h and into a new
header, tsp_private.h. This clarifies the TSP interface to the TSPD.

Change-Id: I39af346eeba3350cadcac56c02d97a5cb978c28b
This commit is contained in:
Dan Handley 2014-08-01 17:58:27 +01:00
parent e98f414b2f
commit da0af78aa2
6 changed files with 140 additions and 89 deletions
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1
bl32/tsp/aarch64/tsp_entrypoint.S
View file

@ -32,6 +32,7 @@
#include <asm_macros.S>
#include <tsp.h>
#include <xlat_tables.h>
#include "../tsp_private.h"
.globl tsp_entrypoint

3
bl32/tsp/tsp_interrupt.c
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@ -32,9 +32,10 @@
#include <assert.h>
#include <debug.h>
#include <gic_v2.h>
#include <tsp.h>
#include <platform.h>
#include <platform_def.h>
#include <tsp.h>
#include "tsp_private.h"
/*******************************************************************************
* This function updates the TSP statistics for FIQs handled synchronously i.e

1
bl32/tsp/tsp_main.c
View file

@ -35,6 +35,7 @@
#include <platform_def.h>
#include <spinlock.h>
#include <tsp.h>
#include "tsp_private.h"
/*******************************************************************************
* Declarations of linker defined symbols which will help us find the layout

133
bl32/tsp/tsp_private.h Normal file
View file

@ -0,0 +1,133 @@
/*
* Copyright (c) 2014, 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 __TSP_PRIVATE_H__
#define __TSP_PRIVATE_H__
/* Definitions to help the assembler access the SMC/ERET args structure */
#define TSP_ARGS_SIZE 0x40
#define TSP_ARG0 0x0
#define TSP_ARG1 0x8
#define TSP_ARG2 0x10
#define TSP_ARG3 0x18
#define TSP_ARG4 0x20
#define TSP_ARG5 0x28
#define TSP_ARG6 0x30
#define TSP_ARG7 0x38
#define TSP_ARGS_END 0x40
#ifndef __ASSEMBLY__
#include <cassert.h>
#include <platform_def.h> /* For CACHE_WRITEBACK_GRANULE */
#include <spinlock.h>
#include <stdint.h>
#include <tsp.h>
typedef struct work_statistics {
uint32_t fiq_count; /* Number of FIQs on this cpu */
uint32_t irq_count; /* Number of IRQs on this cpu */
uint32_t sync_fiq_count; /* Number of sync. fiqs on this cpu */
uint32_t sync_fiq_ret_count; /* Number of fiq returns on this cpu */
uint32_t smc_count; /* Number of returns on this cpu */
uint32_t eret_count; /* Number of entries on this cpu */
uint32_t cpu_on_count; /* Number of cpu on requests */
uint32_t cpu_off_count; /* Number of cpu off requests */
uint32_t cpu_suspend_count; /* Number of cpu suspend requests */
uint32_t cpu_resume_count; /* Number of cpu resume requests */
} __aligned(CACHE_WRITEBACK_GRANULE) work_statistics_t;
typedef struct tsp_args {
uint64_t _regs[TSP_ARGS_END >> 3];
} __aligned(CACHE_WRITEBACK_GRANULE) tsp_args_t;
/* Macros to access members of the above structure using their offsets */
#define read_sp_arg(args, offset) ((args)->_regs[offset >> 3])
#define write_sp_arg(args, offset, val) (((args)->_regs[offset >> 3]) \
= val)
/*
* Ensure that the assembler's view of the size of the tsp_args is the
* same as the compilers
*/
CASSERT(TSP_ARGS_SIZE == sizeof(tsp_args_t), assert_sp_args_size_mismatch);
void tsp_get_magic(uint64_t args[4]);
tsp_args_t *tsp_cpu_resume_main(uint64_t arg0,
uint64_t arg1,
uint64_t arg2,
uint64_t arg3,
uint64_t arg4,
uint64_t arg5,
uint64_t arg6,
uint64_t arg7);
tsp_args_t *tsp_cpu_suspend_main(uint64_t arg0,
uint64_t arg1,
uint64_t arg2,
uint64_t arg3,
uint64_t arg4,
uint64_t arg5,
uint64_t arg6,
uint64_t arg7);
tsp_args_t *tsp_cpu_on_main(void);
tsp_args_t *tsp_cpu_off_main(uint64_t arg0,
uint64_t arg1,
uint64_t arg2,
uint64_t arg3,
uint64_t arg4,
uint64_t arg5,
uint64_t arg6,
uint64_t arg7);
/* Generic Timer functions */
void tsp_generic_timer_start(void);
void tsp_generic_timer_handler(void);
void tsp_generic_timer_stop(void);
void tsp_generic_timer_save(void);
void tsp_generic_timer_restore(void);
/* FIQ management functions */
void tsp_update_sync_fiq_stats(uint32_t type, uint64_t elr_el3);
/* Data structure to keep track of TSP statistics */
extern spinlock_t console_lock;
extern work_statistics_t tsp_stats[PLATFORM_CORE_COUNT];
/* Vector table of jumps */
extern tsp_vectors_t tsp_vector_table;
#endif /* __ASSEMBLY__ */
#endif /* __TSP_PRIVATE_H__ */

2
bl32/tsp/tsp_timer.c
View file

@ -30,7 +30,7 @@
#include <arch_helpers.h>
#include <assert.h>
#include <platform.h>
#include <tsp.h>
#include "tsp_private.h"
/*******************************************************************************
* Data structure to keep track of per-cpu secure generic timer context across

89
include/bl32/payloads/tsp.h
View file

@ -98,25 +98,12 @@
/* 0xbf00ff02 is reserved */
#define TOS_CALL_VERSION 0xbf00ff03 /* Trusted OS Call Version */
/* Definitions to help the assembler access the SMC/ERET args structure */
#define TSP_ARGS_SIZE 0x40
#define TSP_ARG0 0x0
#define TSP_ARG1 0x8
#define TSP_ARG2 0x10
#define TSP_ARG3 0x18
#define TSP_ARG4 0x20
#define TSP_ARG5 0x28
#define TSP_ARG6 0x30
#define TSP_ARG7 0x38
#define TSP_ARGS_END 0x40
#ifndef __ASSEMBLY__
#include <cassert.h>
#include <platform_def.h> /* For CACHE_WRITEBACK_GRANULE */
#include <spinlock.h>
#include <stdint.h>
typedef uint32_t tsp_vector_isn_t;
typedef struct tsp_vectors {
@ -129,79 +116,7 @@ typedef struct tsp_vectors {
tsp_vector_isn_t fiq_entry;
} tsp_vectors_t;
typedef struct work_statistics {
uint32_t fiq_count; /* Number of FIQs on this cpu */
uint32_t irq_count; /* Number of IRQs on this cpu */
uint32_t sync_fiq_count; /* Number of sync. fiqs on this cpu */
uint32_t sync_fiq_ret_count; /* Number of fiq returns on this cpu */
uint32_t smc_count; /* Number of returns on this cpu */
uint32_t eret_count; /* Number of entries on this cpu */
uint32_t cpu_on_count; /* Number of cpu on requests */
uint32_t cpu_off_count; /* Number of cpu off requests */
uint32_t cpu_suspend_count; /* Number of cpu suspend requests */
uint32_t cpu_resume_count; /* Number of cpu resume requests */
} __aligned(CACHE_WRITEBACK_GRANULE) work_statistics_t;
typedef struct tsp_args {
uint64_t _regs[TSP_ARGS_END >> 3];
} __aligned(CACHE_WRITEBACK_GRANULE) tsp_args_t;
/* Macros to access members of the above structure using their offsets */
#define read_sp_arg(args, offset) ((args)->_regs[offset >> 3])
#define write_sp_arg(args, offset, val) (((args)->_regs[offset >> 3]) \
= val)
/*
* Ensure that the assembler's view of the size of the tsp_args is the
* same as the compilers
*/
CASSERT(TSP_ARGS_SIZE == sizeof(tsp_args_t), assert_sp_args_size_mismatch);
void tsp_get_magic(uint64_t args[4]);
tsp_args_t *tsp_cpu_resume_main(uint64_t arg0,
uint64_t arg1,
uint64_t arg2,
uint64_t arg3,
uint64_t arg4,
uint64_t arg5,
uint64_t arg6,
uint64_t arg7);
tsp_args_t *tsp_cpu_suspend_main(uint64_t arg0,
uint64_t arg1,
uint64_t arg2,
uint64_t arg3,
uint64_t arg4,
uint64_t arg5,
uint64_t arg6,
uint64_t arg7);
tsp_args_t *tsp_cpu_on_main(void);
tsp_args_t *tsp_cpu_off_main(uint64_t arg0,
uint64_t arg1,
uint64_t arg2,
uint64_t arg3,
uint64_t arg4,
uint64_t arg5,
uint64_t arg6,
uint64_t arg7);
/* Generic Timer functions */
void tsp_generic_timer_start(void);
void tsp_generic_timer_handler(void);
void tsp_generic_timer_stop(void);
void tsp_generic_timer_save(void);
void tsp_generic_timer_restore(void);
/* FIQ management functions */
void tsp_update_sync_fiq_stats(uint32_t type, uint64_t elr_el3);
/* Data structure to keep track of TSP statistics */
extern spinlock_t console_lock;
extern work_statistics_t tsp_stats[PLATFORM_CORE_COUNT];
/* Vector table of jumps */
extern tsp_vectors_t tsp_vector_table;
#endif /* __ASSEMBLY__ */
#endif /* __BL2_H__ */
#endif /* __TSP_H__ */