chrysn d6a314bed7 efm32: make all interrupts usable in vector table
* define weak symbol for ${irq_name}_isr
* put them in the rom vector table
* declare reset_vector weak in case someone wants to insert code there
* remove null_handler (null handlers should be only requested
  explicitly, and finding out why the chip gets stuck is easier than
  determining whether or not a no-op interrupt handler was executed)
2012-02-27 14:00:34 +01:00

160 lines
4.8 KiB
C

/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2010 Piotr Esden-Tempski <piotr@esden.net>,
* 2012 chrysn <chrysn@fsfe.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libopencm3/efm32/tinygecko/irq.h>
#include <libopencm3/efm32/vector.h>
#define WEAK __attribute__ ((weak))
/* Symbols exported by the linker script(s). */
extern unsigned _etext, _data, _edata, _ebss, _stack;
void main(void);
void blocking_handler(void);
void WEAK reset_handler(void);
void WEAK nmi_handler(void);
void WEAK hard_fault_handler(void);
void WEAK mem_manage_handler(void);
void WEAK bus_fault_handler(void);
void WEAK usage_fault_handler(void);
void WEAK sv_call_handler(void);
void WEAK debug_monitor_handler(void);
void WEAK pend_sv_handler(void);
void WEAK sys_tick_handler(void);
void WEAK dma_isr(void);
void WEAK gpio_even_isr(void);
void WEAK timer0_isr(void);
void WEAK usart0_rx_isr(void);
void WEAK usart0_tx_isr(void);
void WEAK acmp01_isr(void);
void WEAK adc0_isr(void);
void WEAK dac0_isr(void);
void WEAK i2c0_isr(void);
void WEAK gpio_odd_isr(void);
void WEAK timer1_isr(void);
void WEAK usart1_rx_isr(void);
void WEAK usart1_tx_isr(void);
void WEAK lesense_isr(void);
void WEAK leuart0_isr(void);
void WEAK letimer0_isr(void);
void WEAK pcnt0_isr(void);
void WEAK rtc_isr(void);
void WEAK cmu_isr(void);
void WEAK vcmp_isr(void);
void WEAK lcd_isr(void);
void WEAK msc_isr(void);
void WEAK aes_isr(void);
__attribute__ ((section(".vectors")))
efm32_vector_table_t vector_table = {
.initial_sp_value = &_stack,
.reset = reset_handler,
.nmi = nmi_handler,
.hard_fault = hard_fault_handler,
.memory_manage_fault = mem_manage_handler,
.bus_fault = bus_fault_handler,
.usage_fault = usage_fault_handler,
.sv_call = sv_call_handler,
.pend_sv = pend_sv_handler,
.systick = sys_tick_handler,
.irq = {
[IRQ_DMA] = dma_isr,
[IRQ_GPIO_EVEN] = gpio_even_isr,
[IRQ_TIMER0] = timer0_isr,
[IRQ_USART0_RX] = usart0_rx_isr,
[IRQ_USART0_TX] = usart0_tx_isr,
[IRQ_ACMP01] = acmp01_isr,
[IRQ_ADC0] = adc0_isr,
[IRQ_DAC0] = dac0_isr,
[IRQ_I2C0] = i2c0_isr,
[IRQ_GPIO_ODD] = gpio_odd_isr,
[IRQ_TIMER1] = timer1_isr,
[IRQ_USART1_RX] = usart1_rx_isr,
[IRQ_USART1_TX] = usart1_tx_isr,
[IRQ_LESENSE] = lesense_isr,
[IRQ_LEUART0] = leuart0_isr,
[IRQ_LETIMER0] = letimer0_isr,
[IRQ_PCNT0] = pcnt0_isr,
[IRQ_RTC] = rtc_isr,
[IRQ_CMU] = cmu_isr,
[IRQ_VCMP] = vcmp_isr,
[IRQ_LCD] = lcd_isr,
[IRQ_MSC] = msc_isr,
[IRQ_AES] = aes_isr,
}
};
void WEAK reset_handler(void)
{
volatile unsigned *src, *dest;
__asm__("MSR msp, %0" : : "r"(&_stack));
for (src = &_etext, dest = &_data; dest < &_edata; src++, dest++)
*dest = *src;
while (dest < &_ebss)
*dest++ = 0;
/* Call the application's entry point. */
main();
}
void blocking_handler(void)
{
while (1) ;
}
#pragma weak nmi_handler = blocking_handler
#pragma weak hard_fault_handler = blocking_handler
#pragma weak mem_manage_handler = blocking_handler
#pragma weak bus_fault_handler = blocking_handler
#pragma weak usage_fault_handler = blocking_handler
#pragma weak sv_call_handler = blocking_handler
#pragma weak debug_monitor_handler = blocking_handler
#pragma weak pend_sv_handler = blocking_handler
#pragma weak sys_tick_handler = blocking_handler
#pragma weak dma_isr = blocking_handler
#pragma weak gpio_even_isr = blocking_handler
#pragma weak timer0_isr = blocking_handler
#pragma weak usart0_rx_isr = blocking_handler
#pragma weak usart0_tx_isr = blocking_handler
#pragma weak acmp01_isr = blocking_handler
#pragma weak adc0_isr = blocking_handler
#pragma weak dac0_isr = blocking_handler
#pragma weak i2c0_isr = blocking_handler
#pragma weak gpio_odd_isr = blocking_handler
#pragma weak timer1_isr = blocking_handler
#pragma weak usart1_rx_isr = blocking_handler
#pragma weak usart1_tx_isr = blocking_handler
#pragma weak lesense_isr = blocking_handler
#pragma weak leuart0_isr = blocking_handler
#pragma weak letimer0_isr = blocking_handler
#pragma weak pcnt0_isr = blocking_handler
#pragma weak rtc_isr = blocking_handler
#pragma weak cmu_isr = blocking_handler
#pragma weak vcmp_isr = blocking_handler
#pragma weak lcd_isr = blocking_handler
#pragma weak msc_isr = blocking_handler
#pragma weak aes_isr = blocking_handler