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Diffstat (limited to 'fw/cdc-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/Common/platform/GCC/startup_armv7-m.S')
| -rw-r--r-- | fw/cdc-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/Common/platform/GCC/startup_armv7-m.S | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/fw/cdc-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/Common/platform/GCC/startup_armv7-m.S b/fw/cdc-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/Common/platform/GCC/startup_armv7-m.S new file mode 100644 index 0000000..2320877 --- /dev/null +++ b/fw/cdc-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/Common/platform/GCC/startup_armv7-m.S @@ -0,0 +1,257 @@ +/* File: startup_armv7-m.S
+ * Purpose: startup file for armv7-m architecture devices.
+ * Should be used with GCC for ARM Embedded Processors
+ * Version: V2.00
+ * Date: 16 November 2015
+ *
+ */
+/* Copyright (c) 2011 - 2015 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 ARM 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 COPYRIGHT HOLDERS AND CONTRIBUTORS 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, 0x00000400
+#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, 0x00000C00
+#endif
+ .globl __HeapBase
+ .globl __HeapLimit
+__HeapBase:
+ .if Heap_Size
+ .space Heap_Size
+ .endif
+ .size __HeapBase, . - __HeapBase
+__HeapLimit:
+ .size __HeapLimit, . - __HeapLimit
+
+ .section .vectors
+ .align 2
+ .globl __Vectors
+__Vectors:
+ .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 */
+
+ .size __Vectors, . - __Vectors
+
+ .text
+ .thumb
+ .thumb_func
+ .align 2
+ .globl Reset_Handler
+ .type Reset_Handler, %function
+Reset_Handler:
+/* Firstly it copies data from read only memory to RAM. There are two schemes
+ * to copy. One can copy more than one sections. Another can only copy
+ * one section. The former scheme needs more instructions and read-only
+ * data to implement than the latter.
+ * Macro __STARTUP_COPY_MULTIPLE is used to choose between two schemes. */
+
+#ifdef __STARTUP_COPY_MULTIPLE
+/* Multiple sections scheme.
+ *
+ * Between symbol address __copy_table_start__ and __copy_table_end__,
+ * there are array of triplets, each of which specify:
+ * offset 0: LMA of start of a section to copy from
+ * offset 4: VMA of start of a section to copy to
+ * offset 8: size of the section to copy. Must be multiply of 4
+ *
+ * All addresses must be aligned to 4 bytes boundary.
+ */
+ ldr r4, =__copy_table_start__
+ ldr r5, =__copy_table_end__
+
+.L_loop0:
+ cmp r4, r5
+ bge .L_loop0_done
+ ldr r1, [r4]
+ ldr r2, [r4, #4]
+ ldr r3, [r4, #8]
+
+.L_loop0_0:
+ subs r3, #4
+ ittt ge
+ ldrge r0, [r1, r3]
+ strge r0, [r2, r3]
+ bge .L_loop0_0
+
+ adds r4, #12
+ b .L_loop0
+
+.L_loop0_done:
+#else
+/* Single section scheme.
+ *
+ * The ranges of copy from/to are specified by following symbols
+ * __etext: LMA of start of the section to copy from. Usually end of text
+ * __data_start__: VMA of start of the section to copy to
+ * __data_end__: VMA of end of the section to copy to
+ *
+ * All addresses must be aligned to 4 bytes boundary.
+ */
+ ldr r1, =__etext
+ ldr r2, =__data_start__
+ ldr r3, =__data_end__
+
+.L_loop1:
+ cmp r2, r3
+ ittt lt
+ ldrlt r0, [r1], #4
+ strlt r0, [r2], #4
+ blt .L_loop1
+#endif /*__STARTUP_COPY_MULTIPLE */
+
+/* This part of work usually is done in C library startup code. Otherwise,
+ * define this macro to enable it in this startup.
+ *
+ * There are two schemes too. One can clear multiple BSS sections. Another
+ * can only clear one section. The former is more size expensive than the
+ * latter.
+ *
+ * Define macro __STARTUP_CLEAR_BSS_MULTIPLE to choose the former.
+ * Otherwise efine macro __STARTUP_CLEAR_BSS to choose the later.
+ */
+#ifdef __STARTUP_CLEAR_BSS_MULTIPLE
+/* Multiple sections scheme.
+ *
+ * Between symbol address __copy_table_start__ and __copy_table_end__,
+ * there are array of tuples specifying:
+ * offset 0: Start of a BSS section
+ * offset 4: Size of this BSS section. Must be multiply of 4
+ */
+ ldr r3, =__zero_table_start__
+ ldr r4, =__zero_table_end__
+
+.L_loop2:
+ cmp r3, r4
+ bge .L_loop2_done
+ ldr r1, [r3]
+ ldr r2, [r3, #4]
+ movs r0, 0
+
+.L_loop2_0:
+ subs r2, #4
+ itt ge
+ strge r0, [r1, r2]
+ bge .L_loop2_0
+
+ adds r3, #8
+ b .L_loop2
+.L_loop2_done:
+#elif defined (__STARTUP_CLEAR_BSS)
+/* Single BSS section scheme.
+ *
+ * The BSS section is specified by following symbols
+ * __bss_start__: start of the BSS section.
+ * __bss_end__: end of the BSS section.
+ *
+ * Both addresses must be aligned to 4 bytes boundary.
+ */
+ ldr r1, =__bss_start__
+ ldr r2, =__bss_end__
+
+ movs r0, 0
+.L_loop3:
+ cmp r1, r2
+ itt lt
+ strlt r0, [r1], #4
+ blt .L_loop3
+#endif /* __STARTUP_CLEAR_BSS_MULTIPLE || __STARTUP_CLEAR_BSS */
+
+#ifndef __NO_SYSTEM_INIT
+ bl SystemInit
+#endif
+
+#ifndef __START
+#define __START _start
+#endif
+ bl __START
+
+ .pool
+ .size Reset_Handler, . - Reset_Handler
+
+ .align 1
+ .thumb_func
+ .weak Default_Handler
+ .type Default_Handler, %function
+Default_Handler:
+ bkpt #0
+ b .
+ .size Default_Handler, . - Default_Handler
+
+/* Macro to define default handlers. Default handler
+ * will be weak symbol and just dead loops. They can be
+ * overwritten by other handlers */
+ .macro def_irq_handler handler_name
+ .weak \handler_name
+ .set \handler_name, Default_Handler
+ .endm
+
+ def_irq_handler NMI_Handler
+ def_irq_handler HardFault_Handler
+ def_irq_handler MemManage_Handler
+ def_irq_handler BusFault_Handler
+ def_irq_handler UsageFault_Handler
+ def_irq_handler SVC_Handler
+ def_irq_handler DebugMon_Handler
+ def_irq_handler PendSV_Handler
+ def_irq_handler SysTick_Handler
+
+ .end
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