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Add GCC_ARM support for the target AN386 of MPS2. 

Add files MPS2.ld and startup_MPS2.S to support GCC_ARM of the target
AN386(ARM_MPS2_M4). Add "GCC_ARM" to supported_toolchains list.

Change-Id: Ib8cea952e1ce0a5ef11ab623cca6f3786eab56f5
Signed-off-by: Shawn Shan <shawn.shan@arm.com>
pull/9870/head
Shawn Shan 2019-01-29 10:21:59 +08:00
parent 8e674534ef
commit 6a9c0e930f
3 changed files with 409 additions and 1 deletions
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205
targets/TARGET_ARM_SSG/TARGET_MPS2/TARGET_MPS2_M4/device/TOOLCHAIN_GCC_ARM/MPS2.ld Normal file
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@ -0,0 +1,205 @@
/*
* Copyright (c) 2009-2019 Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* 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.
*/
/*
* This file is derivative of mbed-os V5.10.4 CM3DS MPS2.ld for GCC_ARM
*
* Linker script for AN386
*/
#include "../cmsis_nvic.h"
MEMORY
{
FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 0x00400000 /* 4MB ZBTSRAM1 */
RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00400000 /* 4MB ZBTSRAM2 & ZBTSRAM3 */
}
/* Linker script to place sections and symbol values. Should be used together
* with other linker script that defines memory regions FLASH and RAM.
* It references following symbols, which must be defined in code:
* Reset_Handler : Entry of reset handler
*
* It defines following symbols, which code can use without definition:
* __exidx_start
* __exidx_end
* __etext
* __data_start__
* __preinit_array_start
* __preinit_array_end
* __init_array_start
* __init_array_end
* __fini_array_start
* __fini_array_end
* __data_end__
* __bss_start__
* __bss_end__
* __end__
* end
* __HeapLimit
* __StackLimit
* __StackTop
* __stack
*/
ENTRY(Reset_Handler)
HEAP_SIZE = 0x1000;
STACK_SIZE = 0x400;
/* Size of the vector table in SRAM */
M_VECTOR_RAM_SIZE = NVIC_NUM_VECTORS * 4;
SECTIONS
{
.isr_vector :
{
__vector_table = .;
KEEP(*(.vector_table))
. = ALIGN(4);
} > FLASH
.text :
{
. = ALIGN(4);
*(.text*)
KEEP(*(.init))
KEEP(*(.fini))
/* .ctors */
*crtbegin.o(.ctors)
*crtbegin?.o(.ctors)
*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
*(SORT(.ctors.*))
*(.ctors)
/* .dtors */
*crtbegin.o(.dtors)
*crtbegin?.o(.dtors)
*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
*(SORT(.dtors.*))
*(.dtors)
*(.rodata*)
KEEP(*(.eh_frame*))
} > FLASH
.ARM.extab :
{
*(.ARM.extab* .gnu.linkonce.armextab.*)
} > FLASH
__exidx_start = .;
.ARM.exidx :
{
*(.ARM.exidx* .gnu.linkonce.armexidx.*)
} > FLASH
__exidx_end = .;
.interrupts_ram :
{
. = ALIGN(4);
__VECTOR_RAM__ = .;
__interrupts_ram_start__ = .; /* Create a global symbol at data start */
. += M_VECTOR_RAM_SIZE;
. = ALIGN(4);
__interrupts_ram_end__ = .; /* Define a global symbol at data end */
} > RAM
.data :
{
PROVIDE(__etext = LOADADDR(.data));
. = ALIGN(4);
__data_start__ = .;
*(vtable)
*(.data*)
. = ALIGN(4);
/* preinit data */
PROVIDE (__preinit_array_start = .);
KEEP(*(.preinit_array))
PROVIDE (__preinit_array_end = .);
. = ALIGN(4);
/* init data */
PROVIDE (__init_array_start = .);
KEEP(*(SORT(.init_array.*)))
KEEP(*(.init_array))
PROVIDE (__init_array_end = .);
. = ALIGN(4);
/* finit data */
PROVIDE (__fini_array_start = .);
KEEP(*(SORT(.fini_array.*)))
KEEP(*(.fini_array))
PROVIDE (__fini_array_end = .);
. = ALIGN(4);
/* All data end */
__data_end__ = .;
} > RAM AT > FLASH
.uninitialized (NOLOAD):
{
. = ALIGN(32);
__uninitialized_start = .;
*(.uninitialized)
KEEP(*(.keep.uninitialized))
. = ALIGN(32);
__uninitialized_end = .;
} > RAM
.bss :
{
. = ALIGN(4);
__START_BSS = .;
__bss_start__ = .;
*(.bss*)
*(COMMON)
. = ALIGN(4);
__bss_end__ = .;
__END_BSS = .;
} > RAM
bss_size = __bss_end__ - __bss_start__;
.heap :
{
. = ALIGN(8);
__end__ = .;
PROVIDE(end = .);
__HeapBase = .;
. += HEAP_SIZE;
__HeapLimit = .;
__heap_limit = .; /* Add for _sbrk */
} > RAM
/* Set stack top to end of RAM, and stack limit move down by
* size of stack_dummy section */
__StackTop = ORIGIN(RAM) + LENGTH(RAM);
__StackLimit = __StackTop - STACK_SIZE;
PROVIDE(__stack = __StackTop);
/* Check if data + heap + stack exceeds RAM limit */
ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
} /* End of sections */

203
targets/TARGET_ARM_SSG/TARGET_MPS2/TARGET_MPS2_M4/device/TOOLCHAIN_GCC_ARM/startup_MPS2.S Normal file
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@ -0,0 +1,203 @@
/*
* Copyright (c) 2009-2019 Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* 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.
*/
/*
* This file is derivative of mbed-os V5.10.4 CM3DS startup_MPS2.S for GCC_ARM
*/
.syntax unified
.arch armv7-m
.section .vector_table,"a",%progbits
.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 */
.long 0 /* Reserved */
.long PendSV_Handler /* PendSV Handler */
.long SysTick_Handler /* SysTick Handler */
/* External Interrupts */
.long UARTRX0_Handler /* UART 0 RX Handler */
.long UARTTX0_Handler /* UART 0 TX Handler */
.long UARTRX1_Handler /* UART 1 RX Handler */
.long UARTTX1_Handler /* UART 1 TX Handler */
.long UARTRX2_Handler /* UART 2 RX Handler */
.long UARTTX2_Handler /* UART 2 TX Handler */
.long PORT0_COMB_Handler /* GPIO Port 0 Combined Handler */
.long PORT1_COMB_Handler /* GPIO Port 1 Combined Handler */
.long TIMER0_Handler /* TIMER 0 handler */
.long TIMER1_Handler /* TIMER 1 handler */
.long DUALTIMER_Handler /* Dual timer handler */
.long SPI_Handler /* SPI exceptions Handler */
.long UARTOVF_Handler /* UART 0,1,2 Overflow Handler */
.long ETHERNET_Handler /* Ethernet Overflow Handler */
.long I2S_Handler /* I2S Handler */
.long TSC_Handler /* Touch Screen handler */
.long PORT2_COMB_Handler /* GPIO Port 2 Combined Handler */
.long PORT3_COMB_Handler /* GPIO Port 3 Combined Handler */
.long UARTRX3_Handler /* UART 3 RX Handler */
.long UARTTX3_Handler /* UART 3 TX Handler */
.long UARTRX4_Handler /* UART 4 RX Handler */
.long UARTTX4_Handler /* UART 4 TX Handler */
.long ADCSPI_Handler /* SHIELD ADC SPI exceptions Handler */
.long SHIELDSPI_Handler /* SHIELD SPI exceptions Handler */
.long PORT0_0_Handler /* GPIO Port 0 pin 0 Handler */
.long PORT0_1_Handler /* GPIO Port 0 pin 1 Handler */
.long PORT0_2_Handler /* GPIO Port 0 pin 2 Handler */
.long PORT0_3_Handler /* GPIO Port 0 pin 3 Handler */
.long PORT0_4_Handler /* GPIO Port 0 pin 4 Handler */
.long PORT0_5_Handler /* GPIO Port 0 pin 5 Handler */
.long PORT0_6_Handler /* GPIO Port 0 pin 6 Handler */
.long PORT0_7_Handler /* GPIO Port 0 pin 7 Handler */
.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 r1, =__etext
ldr r2, =__data_start__
ldr r3, =__data_end__
subs r3, r2
ble .Lflash_to_ram_loop_end
movs r4, 0
.Lflash_to_ram_loop:
ldr r0, [r1,r4]
str r0, [r2,r4]
adds r4, 4
cmp r4, r3
blt .Lflash_to_ram_loop
.Lflash_to_ram_loop_end:
/* Initialize .bss */
init_bss:
ldr r1, =__bss_start__
ldr r2, =__bss_end__
ldr r3, =bss_size
cmp r3, #0
beq system_startup
mov r4, #0
zero:
strb r4, [r1], #1
subs r3, r3, #1
bne zero
system_startup:
ldr r0, =SystemInit
blx r0
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
/* External interrupts */
def_irq_default_handler UARTRX0_Handler /* 0: UART 0 RX Handler */
def_irq_default_handler UARTTX0_Handler /* 1: UART 0 TX Handler */
def_irq_default_handler UARTRX1_Handler /* 2: UART 1 RX Handler */
def_irq_default_handler UARTTX1_Handler /* 3: UART 1 TX Handler */
def_irq_default_handler UARTRX2_Handler /* 4: UART 2 RX Handler */
def_irq_default_handler UARTTX2_Handler /* 5: UART 2 TX Handler */
def_irq_default_handler PORT0_COMB_Handler /* 6: GPIO Port 0 combined Handler */
def_irq_default_handler PORT1_COMB_Handler /* 7: GPIO Port 1 combined Handler */
def_irq_default_handler TIMER0_Handler /* 8: TIMER 0 Handler */
def_irq_default_handler TIMER1_Handler /* 9: TIMER 1 Handler */
def_irq_default_handler DUALTIMER_Handler /* 10: Dual Timer Handler */
def_irq_default_handler SPI_Handler /* 11: SPI exceptions Handler */
def_irq_default_handler UARTOVF_Handler /* 12: UART 0,1,2 Overflow Handler */
def_irq_default_handler ETHERNET_Handler /* 13: Ethernet Overflow Handler */
def_irq_default_handler I2S_Handler /* 14: I2S Handler */
def_irq_default_handler TSC_Handler /* 15: Touch Screen Handler */
def_irq_default_handler PORT2_COMB_Handler /* 16: GPIO Port 2 combined Handler */
def_irq_default_handler PORT3_COMB_Handler /* 17: GPIO Port 3 combined Handler */
def_irq_default_handler UARTRX3_Handler /* 18: UART 3 RX Handler */
def_irq_default_handler UARTTX3_Handler /* 19: UART 3 TX Handler */
def_irq_default_handler UARTRX4_Handler /* 20: UART 4 RX Handler */
def_irq_default_handler UARTTX4_Handler /* 21: UART 4 TX Handler */
def_irq_default_handler ADCSPI_Handler /* 22: SHIELD ADC SPI exceptions Handlre */
def_irq_default_handler SHIELDSPI_Handler /* 23: SHIELD SPI exceptions Handlre */
def_irq_default_handler PORT0_0_Handler /* 24: GPIO Port 0 pin 0 Handler */
def_irq_default_handler PORT0_1_Handler /* 25: GPIO Port 0 pin 1 Handler */
def_irq_default_handler PORT0_2_Handler /* 26: GPIO Port 0 pin 2 Handler */
def_irq_default_handler PORT0_3_Handler /* 27: GPIO Port 0 pin 3 Handler */
def_irq_default_handler PORT0_4_Handler /* 28: GPIO Port 0 pin 4 Handler */
def_irq_default_handler PORT0_5_Handler /* 29: GPIO Port 0 pin 5 Handler */
def_irq_default_handler PORT0_6_Handler /* 30: GPIO Port 0 pin 6 Handler */
def_irq_default_handler PORT0_7_Handler /* 31: GPIO Port 0 pin 7 Handler */
.end

2
targets/targets.json
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@ -5287,7 +5287,7 @@
"ARM_MPS2_M4": {
"inherits": ["ARM_MPS2_Target"],
"core": "Cortex-M4F",
"supported_toolchains": ["ARM"],
"supported_toolchains": ["ARM", "GCC_ARM"],
"extra_labels": ["ARM_SSG", "MPS2", "MPS2_M4"],
"macros": ["CMSDK_CM4"],
"device_has": [