-
-
Notifications
You must be signed in to change notification settings - Fork 0
/
convert-arm-asm-to-c.sh
204 lines (162 loc) · 5.91 KB
/
convert-arm-asm-to-c.sh
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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
#!/usr/bin/env bash
# -----------------------------------------------------------------------------
# Safety settings (see https://gist.github.com/ilg-ul/383869cbb01f61a51c4d).
if [[ ! -z ${DEBUG} ]]
then
set ${DEBUG} # Activate the expand mode if DEBUG is anything but empty.
else
DEBUG=""
fi
set -o errexit # Exit if command failed.
set -o pipefail # Exit if pipe failed.
set -o nounset # Exit if variable not set.
# Remove the initial space and instead use '\n'.
IFS=$'\n\t'
# -----------------------------------------------------------------------------
# Identify the script location, to reach, for example, the helper scripts.
script_path="$0"
if [[ "${script_path}" != /* ]]
then
# Make relative path absolute.
script_path="$(pwd)/$0"
fi
script_name="$(basename "${script_path}")"
script_folder_path="$(dirname "${script_path}")"
script_folder_name="$(basename "${script_folder_path}")"
# =============================================================================
# Script to generate the vendor_xxxx.c from the Arm assembly file.
if [ $# -lt 1 ]
then
echo "Using: bash $(basename $0) <arm-file>.s"
exit 1
fi
TAB=$'\t'
TMP_FILE=$(mktemp -q /tmp/cmsis_vectors.XXXXXX)
cat "$1" | \
sed -n -e '/^__Vectors/,/^__Vectors_End/p' | \
sed -e '/^__Vectors_End/,$d' | \
sed -e '1,16d' | \
sed -e 's|__Vectors||' | \
sed -E 's|[[:space:]]*DCD[[:space:]]*||' | \
sed -E 's|[[:space:]]+$||' \
> "${TMP_FILE}"
current_year=$(date +"%Y")
# Note: __EOF__ is NOT quoted to allow substitutions.
cat <<__EOF__
/*
* This file is part of the µOS++ distribution.
* (https://github.com/micro-os-plus)
* Copyright (c) ${current_year} Liviu Ionescu.
*
* Permission to use, copy, modify, and/or distribute this software
* for any purpose is hereby granted, under the terms of the MIT license.
*
* If a copy of the license was not distributed with this file, it can
* be obtained from https://opensource.org/licenses/mit/.
*/
/*
* The list of external handlers was automatically generated by
* processing the files available in the CubeMX packages, the folder:
* \`/Drivers/CMSIS/Device/ST/STM32F?xx/Source/Templates/arm\`
*/
// clang-format off
// ----------------------------------------------------------------------------
#include <micro-os-plus/architecture.h>
#include <micro-os-plus/architecture-cortexm/exception-handlers.h>
// ----------------------------------------------------------------------------
void __attribute__((weak))
Default_Handler(void);
/*
* Forward declaration of the specific IRQ handlers. These are aliased
* to the Default_Handler, which is a 'forever' loop. When the application
* defines an actual handler (with the same name), it will automatically
* take precedence over these weak definitions.
*/
__EOF__
cat "${TMP_FILE}" | \
sed -e '/^0/d' | \
sed -E '/^[[:space:]]+/d' | \
sed -e '/^$/d' | \
sed -E 's|[[:space:]]+[;] .*$||' | \
sed -e 's|.*|void __attribute__ ((weak, alias ("Default_Handler")))\
&(void);|'
echo
# Note: __EOF__ is NOT quoted to allow substitutions.
cat <<__EOF__
// ----------------------------------------------------------------------------
extern uint32_t _initial_main_stack_pointer;
typedef void
(*handler_ptr_t)(void);
// ----------------------------------------------------------------------------
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wpedantic"
/**
* The table of interrupt handlers. It has an explicit section name
* and relies on the linker script to place it at the correct location
* in memory, usually at the very beginning of the flash bank.
*/
__attribute__ ((section(".interrupt_vectors"),used))
handler_ptr_t _interrupt_vectors[] =
{
// Cortex-M Core Handlers
(handler_ptr_t) &_initial_main_stack_pointer, // MSP
Reset_Handler, // The reset handler
NMI_Handler, // The NMI handler
HardFault_Handler, // The hard fault handler
#if defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__)
MemManage_Handler, // The MPU fault handler
BusFault_Handler, // The bus fault handler
UsageFault_Handler, // The usage fault handler
#else
0, // Reserved
0, // Reserved
0, // Reserved
#endif
0, // Reserved
0, // Reserved
0, // Reserved
0, // Reserved
SVC_Handler, // SVCall handler
#if defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__)
DebugMon_Handler, // Debug monitor handler
#else
0, // Reserved
#endif
0, // Reserved
PendSV_Handler, // The PendSV handler
SysTick_Handler, // The SysTick handler
// ------------------------------------------------------------------------
__EOF__
cat "${TMP_FILE}" | \
sed -E '/^[[:space:]]*$/d' | \
sed -E 's|^[[:space:]]*;|;|' | \
sed -e 's|^0|0,|' | \
sed -e 's|_IRQHandler|_IRQHandler,|' | \
sed -e 's|_Handler|_Handler,|' | \
sed -e 's|;|\/\/|' | \
sed -e 's|^| |'
cat <<__EOF__
};
#pragma GCC diagnostic pop
// ----------------------------------------------------------------------------
/**
* The processor ends up here if an unexpected interrupt occurs or a
* specific handler is not present in the application code.
* When in DEBUG, trigger a debug exception to clearly notify
* the user of the exception and help identify the cause.
*/
void __attribute__ ((section(".after_vectors")))
Default_Handler(void)
{
#if defined(DEBUG)
micro_os_plus_architecture_brk();
#endif
while (1)
{
;
}
}
// ----------------------------------------------------------------------------
__EOF__
rm "${TMP_FILE}"
# -----------------------------------------------------------------------------