diff options
Diffstat (limited to 'keyboard/infinity/mbed-infinity/startup_MK20D5.s')
| -rw-r--r-- | keyboard/infinity/mbed-infinity/startup_MK20D5.s | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/keyboard/infinity/mbed-infinity/startup_MK20D5.s b/keyboard/infinity/mbed-infinity/startup_MK20D5.s new file mode 100644 index 0000000000..7a8d7ba45a --- /dev/null +++ b/keyboard/infinity/mbed-infinity/startup_MK20D5.s @@ -0,0 +1,259 @@ +/* File: startup_MK20D5.s + * Purpose: startup file for Cortex-M4 devices. Should use with + * GCC for ARM Embedded Processors + * Version: V1.3 + * Date: 08 Feb 2012 + * + * Copyright (c) 2012, ARM Limited + * 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 the ARM Limited 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 ARM LIMITED 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. + */ + .syntax unified + .arch armv7-m + + .section .stack + .align 3 +#ifdef __STACK_SIZE + .equ Stack_Size, __STACK_SIZE +#else + .equ Stack_Size, 0x400 +#endif + .globl __StackTop + .globl __StackLimit +__StackLimit: + .space Stack_Size + .size __StackLimit, . - __StackLimit +__StackTop: + .size __StackTop, . - __StackTop + + .section .heap + .align 3 +#ifdef __HEAP_SIZE + .equ Heap_Size, __HEAP_SIZE +#else + .equ Heap_Size, 0xC00 +#endif + .globl __HeapBase + .globl __HeapLimit +__HeapBase: + .if Heap_Size + .space Heap_Size + .endif + .size __HeapBase, . - __HeapBase +__HeapLimit: + .size __HeapLimit, . - __HeapLimit + + .section .isr_vector + .align 2 + .globl __isr_vector +__isr_vector: + .long __StackTop /* Top of Stack */ + .long Reset_Handler /* Reset Handler */ + .long NMI_Handler /* NMI Handler */ + .long HardFault_Handler /* Hard Fault Handler */ + .long MemManage_Handler /* MPU Fault Handler */ + .long BusFault_Handler /* Bus Fault Handler */ + .long UsageFault_Handler /* Usage Fault Handler */ + .long 0 /* Reserved */ + .long 0 /* Reserved */ + .long 0 /* Reserved */ + .long 0 /* Reserved */ + .long SVC_Handler /* SVCall Handler */ + .long DebugMon_Handler /* Debug Monitor Handler */ + .long 0 /* Reserved */ + .long PendSV_Handler /* PendSV Handler */ + .long SysTick_Handler /* SysTick Handler */ + + /* External interrupts */ + .long DMA0_IRQHandler /* 0: Watchdog Timer */ + .long DMA1_IRQHandler /* 1: Real Time Clock */ + .long DMA2_IRQHandler /* 2: Timer0 / Timer1 */ + .long DMA3_IRQHandler /* 3: Timer2 / Timer3 */ + .long DMA_Error_IRQHandler /* 4: MCIa */ + .long 0 /* 5: MCIb */ + .long FTFL_IRQHandler /* 6: UART0 - DUT FPGA */ + .long Read_Collision_IRQHandler /* 7: UART1 - DUT FPGA */ + .long LVD_LVW_IRQHandler /* 8: UART2 - DUT FPGA */ + .long LLW_IRQHandler /* 9: UART4 - not connected */ + .long Watchdog_IRQHandler /* 10: AACI / AC97 */ + .long I2C0_IRQHandler /* 11: CLCD Combined Interrupt */ + .long SPI0_IRQHandler /* 12: Ethernet */ + .long I2S0_Tx_IRQHandler /* 13: USB Device */ + .long I2S0_Rx_IRQHandler /* 14: USB Host Controller */ + .long UART0_LON_IRQHandler /* 15: Character LCD */ + .long UART0_RX_TX_IRQHandler /* 16: Flexray */ + .long UART0_ERR_IRQHandler /* 17: CAN */ + .long UART1_RX_TX_IRQHandler /* 18: LIN */ + .long UART1_ERR_IRQHandler /* 19: I2C ADC/DAC */ + .long UART2_RX_TX_IRQHandler /* 20: Reserved */ + .long UART2_ERR_IRQHandler /* 21: Reserved */ + .long ADC0_IRQHandler /* 22: Reserved */ + .long CMP0_IRQHandler /* 23: Reserved */ + .long CMP1_IRQHandler /* 24: Reserved */ + .long FTM0_IRQHandler /* 25: Reserved */ + .long FTM1_IRQHandler /* 26: Reserved */ + .long CMT_IRQHandler /* 27: Reserved */ + .long RTC_IRQHandler /* 28: Reserved - CPU FPGA CLCD */ + .long RTC_Seconds_IRQHandler /* 29: Reserved - CPU FPGA */ + .long PIT0_IRQHandler /* 30: UART3 - CPU FPGA */ + .long PIT1_IRQHandler /* 31: SPI Touchscreen - CPU FPGA */ + .long PIT2_IRQHandler + .long PIT3_IRQHandler + .long PDB0_IRQHandler + .long USB0_IRQHandler + .long USBDCD_IRQHandler + .long TSI0_IRQHandler + .long MCG_IRQHandler + .long LPTimer_IRQHandler + .long PORTA_IRQHandler + .long PORTB_IRQHandler + .long PORTC_IRQHandler + .long PORTD_IRQHandler + .long PORTE_IRQHandler + .long SWI_IRQHandler + .size __isr_vector, . - __isr_vector + + .section .text.Reset_Handler + .thumb + .thumb_func + .align 2 + .globl Reset_Handler + .type Reset_Handler, %function +Reset_Handler: +/* Loop to copy data from read only memory to RAM. The ranges + * of copy from/to are specified by following symbols evaluated in + * linker script. + * __etext: End of code section, i.e., begin of data sections to copy from. + * __data_start__/__data_end__: RAM address range that data should be + * copied to. Both must be aligned to 4 bytes boundary. */ + ldr r0, =SystemInit + blx r0 + + ldr r1, =__etext + ldr r2, =__data_start__ + ldr r3, =__data_end__ + +.Lflash_to_ram_loop: + cmp r2, r3 + ittt lt + ldrlt r0, [r1], #4 + strlt r0, [r2], #4 + blt .Lflash_to_ram_loop + +.Lflash_to_ram_loop_end: + + ldr r0, =_start + bx r0 + .pool + .size Reset_Handler, . - Reset_Handler + + .text +/* Macro to define default handlers. Default handler + * will be weak symbol and just dead loops. They can be + * overwritten by other handlers */ + .macro def_default_handler handler_name + .align 1 + .thumb_func + .weak \handler_name + .type \handler_name, %function +\handler_name : + b . + .size \handler_name, . - \handler_name + .endm + + def_default_handler NMI_Handler + def_default_handler HardFault_Handler + def_default_handler MemManage_Handler + def_default_handler BusFault_Handler + def_default_handler UsageFault_Handler + def_default_handler SVC_Handler + def_default_handler DebugMon_Handler + def_default_handler PendSV_Handler + def_default_handler SysTick_Handler + def_default_handler Default_Handler + + .macro def_irq_default_handler handler_name + .weak \handler_name + .set \handler_name, Default_Handler + .endm + + def_irq_default_handler DMA0_IRQHandler + def_irq_default_handler DMA1_IRQHandler + def_irq_default_handler DMA2_IRQHandler + def_irq_default_handler DMA3_IRQHandler + def_irq_default_handler DMA_Error_IRQHandler + def_irq_default_handler FTFL_IRQHandler + def_irq_default_handler Read_Collision_IRQHandler + def_irq_default_handler LVD_LVW_IRQHandler + def_irq_default_handler LLW_IRQHandler + def_irq_default_handler Watchdog_IRQHandler + def_irq_default_handler I2C0_IRQHandler + def_irq_default_handler SPI0_IRQHandler + def_irq_default_handler I2S0_Tx_IRQHandler + def_irq_default_handler I2S0_Rx_IRQHandler + def_irq_default_handler UART0_LON_IRQHandler + def_irq_default_handler UART0_RX_TX_IRQHandler + def_irq_default_handler UART0_ERR_IRQHandler + def_irq_default_handler UART1_RX_TX_IRQHandler + def_irq_default_handler UART1_ERR_IRQHandler + def_irq_default_handler UART2_RX_TX_IRQHandler + def_irq_default_handler UART2_ERR_IRQHandler + def_irq_default_handler ADC0_IRQHandler + def_irq_default_handler CMP0_IRQHandler + def_irq_default_handler CMP1_IRQHandler + def_irq_default_handler FTM0_IRQHandler + def_irq_default_handler FTM1_IRQHandler + def_irq_default_handler CMT_IRQHandler + def_irq_default_handler RTC_IRQHandler + def_irq_default_handler RTC_Seconds_IRQHandler + def_irq_default_handler PIT0_IRQHandler + def_irq_default_handler PIT1_IRQHandler + def_irq_default_handler PIT2_IRQHandler + def_irq_default_handler PIT3_IRQHandler + def_irq_default_handler PDB0_IRQHandler + def_irq_default_handler USB0_IRQHandler + def_irq_default_handler USBDCD_IRQHandler + def_irq_default_handler TSI0_IRQHandler + def_irq_default_handler MCG_IRQHandler + def_irq_default_handler LPTimer_IRQHandler + def_irq_default_handler PORTA_IRQHandler + def_irq_default_handler PORTB_IRQHandler + def_irq_default_handler PORTC_IRQHandler + def_irq_default_handler PORTD_IRQHandler + def_irq_default_handler PORTE_IRQHandler + def_irq_default_handler SWI_IRQHandler + def_irq_default_handler DEF_IRQHandler + +/* Flash protection region, placed at 0x400 */ + .text + .thumb + .align 2 + .section .kinetis_flash_config_field,"a",%progbits +kinetis_flash_config: + .long 0xffffffff + .long 0xffffffff + .long 0xffffffff + .long 0xfffffffe + + .end |