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Import of the watch repository from Pebble

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Matthieu Jeanson 2024-12-12 16:43:03 -08:00 • committed by Katharine Berry
commit 3b92768480
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/*
* Copyright 2024 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "util/attributes.h"
#include <stdbool.h>
#include <stdint.h>
extern uint8_t _estack[];
extern void Reset_Handler(void);
void Default_Handler(void) {
// This handler is only called if we haven't defined a specific
// handler for the interrupt. This means the interrupt is unexpected,
// so we loop infinitely to preserve the system state for examination
// by a debugger
while (true) {}
}
// All these functions are weak references to the Default_Handler,
// so if we define a handler in elsewhere in the firmware, these
// will be overriden
ALIAS("Default_Handler") void NMI_Handler(void);
ALIAS("Default_Handler") void HardFault_Handler(void);
ALIAS("Default_Handler") void MemManage_Handler(void);
ALIAS("Default_Handler") void BusFault_Handler(void);
ALIAS("Default_Handler") void UsageFault_Handler(void);
ALIAS("Default_Handler") void SVC_Handler(void);
ALIAS("Default_Handler") void DebugMon_Handler(void);
ALIAS("Default_Handler") void PendSV_Handler(void);
ALIAS("Default_Handler") void SysTick_Handler(void);
// External Interrupts
#define IRQ_DEF(idx, irq) ALIAS("Default_Handler") void irq##_IRQHandler(void);
#include "irq_stm32.def"
#undef IRQ_DEF
#if PROFILE_INTERRUPTS
#include "system/profiler.h"
#define IRQ_DEF(idx, irq) static inline void irq##_IRQHandler_profiled(void) { \
extern ProfilerNode g_profiler_node_##irq##_IRQ; \
g_profiler_node_##irq##_IRQ.start = DWT->CYCCNT; \
irq##_IRQHandler();\
profiler_node_stop(&g_profiler_node_##irq##_IRQ, DWT->CYCCNT); \
}
#include "irq_stm32.def"
#undef IRQ_DEF
#endif // PROFILE_INTERRUPTS
EXTERNALLY_VISIBLE SECTION(".isr_vector") const void * const vector_table[] = {
_estack,
Reset_Handler,
NMI_Handler,
HardFault_Handler,
MemManage_Handler,
BusFault_Handler,
UsageFault_Handler,
(void *)0x4E65576F, // NeWo, marks image as New World for bootloader
0,
0,
0,
SVC_Handler,
DebugMon_Handler,
0,
PendSV_Handler,
SysTick_Handler,
// External Interrupts
#if PROFILE_INTERRUPTS
#define IRQ_DEF(idx, irq) [idx + 16] = irq##_IRQHandler_profiled,
#else
#define IRQ_DEF(idx, irq) [idx + 16] = irq##_IRQHandler,
#endif
#include "irq_stm32.def"
#undef IRQ_DEF
};