1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
/*
* FreeRTOS V202212.00
* Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* https://www.FreeRTOS.org
* https://github.com/FreeRTOS
*
*/
/* FreeRTOS includes. */
#include "secure_port_macros.h"
/* Device includes. */
#include "fsl_device_registers.h"
#include "fsl_debug_console.h"
#include "arm_cmse.h"
#include "board.h"
#include "tzm_config.h"
#include "pin_mux.h"
#include "clock_config.h"
#include "fsl_power.h"
#if ( __ARM_FEATURE_CMSE & 1 ) == 0
#error "Need ARMv8-M security extensions"
#elif ( __ARM_FEATURE_CMSE & 2 ) == 0
#error "Compile with --cmse"
#endif
/* Start address of non-secure application. */
#define mainNONSECURE_APP_START_ADDRESS ( 0x00010000UL )
/* typedef for non-secure Reset Handler. */
typedef void ( *NonSecureResetHandler_t ) ( void ) __attribute__( ( cmse_nonsecure_call ) );
/*-----------------------------------------------------------*/
/**
* @brief Boots into the non-secure code.
*
* @param[in] ulNonSecureStartAddress Start address of the non-secure application.
*/
static void prvBootNonSecure( uint32_t ulNonSecureStartAddress );
/**
* @brief Application-specific implementation of the SystemInitHook() weak
* function.
*/
void SystemInitHook( void );
/*-----------------------------------------------------------*/
/* For instructions on how to build and run this demo, visit the following link:
* https://www.freertos.org/RTOS-Cortex-M33-LPC55S69-MCUXpresso-GCC.html
*/
/* Secure main(). */
int main(void)
{
/* Set BOD VBAT level to 1.65V. */
POWER_SetBodVbatLevel( kPOWER_BodVbatLevel1650mv, kPOWER_BodHystLevel50mv, false );
/* Attach main clock divide to FLEXCOMM0 (debug console). */
CLOCK_AttachClk( BOARD_DEBUG_UART_CLK_ATTACH );
/* Init board hardware. */
BOARD_InitPins();
BOARD_BootClockFROHF96M();
BOARD_InitDebugConsole();
/* Boot the non-secure code. */
PRINTF( "Booting Non-Secure World.\r\n" );
prvBootNonSecure( mainNONSECURE_APP_START_ADDRESS );
/* Non-secure software does not return, this code is not executed. */
for( ; ; )
{
/* Should not reach here. */
}
}
/*-----------------------------------------------------------*/
static void prvBootNonSecure( uint32_t ulNonSecureStartAddress )
{
NonSecureResetHandler_t pxNonSecureResetHandler;
/* Setup the non-secure vector table. */
SCB_NS->VTOR = ulNonSecureStartAddress;
/* Main Stack Pointer value for the non-secure side is the first entry in
* the non-secure vector table. Read the first entry and assign the same to
* the non-secure main stack pointer(MSP_NS). */
secureportSET_MSP_NS( *( ( uint32_t * )( ulNonSecureStartAddress ) ) );
/* Reset Handler for the non-secure side is the second entry in the
* non-secure vector table. Read the second entry to get the non-secure
* Reset Handler. */
pxNonSecureResetHandler = ( NonSecureResetHandler_t )( * ( ( uint32_t * ) ( ( ulNonSecureStartAddress ) + 4U ) ) );
/* Start non-secure state software application by jumping to the non-secure
* Reset Handler. */
pxNonSecureResetHandler();
}
/*-----------------------------------------------------------*/
void SystemInitHook( void )
{
/* Set CP10 and CP11 full access from Non-Secure code. */
SCB_NS->CPACR |= ( ( 3UL << 10 * 2 ) | ( 3UL << 11 * 2 ) );
/* The TrustZone should be configured as early as possible after RESET.
* Therefore it is called from SystemInit() during startup. The
* SystemInitHook() weak function overloading is used for this purpose.
*/
BOARD_InitTrustZone();
}
/*-----------------------------------------------------------*/
|
