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Diff: TARGET_RZ_A1H/TOOLCHAIN_GCC_ARM/RZA1H.ld
- Revision:
- 95:7e07b6fb45cf
diff -r 9ad691361fac -r 7e07b6fb45cf TARGET_RZ_A1H/TOOLCHAIN_GCC_ARM/RZA1H.ld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TARGET_RZ_A1H/TOOLCHAIN_GCC_ARM/RZA1H.ld Wed Mar 04 07:31:39 2015 +0100 @@ -0,0 +1,227 @@ +/* Linker script for mbed RZ_A1H */ + +/* Linker script to configure memory regions. */ +MEMORY +{ + ROM (rx) : ORIGIN = 0x00000000, LENGTH = 0x02000000 + BOOT_LOADER (rx) : ORIGIN = 0x18000000, LENGTH = 0x00004000 + SFLASH (rx) : ORIGIN = 0x18004000, LENGTH = 0x07FFC000 + L_TTB (rw) : ORIGIN = 0x20000000, LENGTH = 0x00004000 + RAM (rwx) : ORIGIN = 0x20020000, LENGTH = 0x00700000 + RAM_NC (rwx) : ORIGIN = 0x20900000, LENGTH = 0x00100000 +} + +/* 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) + +SECTIONS +{ + .boot : + { + KEEP(*(.boot_loader)) + } > BOOT_LOADER + + .text : + { + + Image$$VECTORS$$Base = .; + * (RESET) + Image$$VECTORS$$Limit = .; + . += 0x00000400; + + KEEP(*(.isr_vector)) + *(SVC_TABLE) + *(.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) + + Image$$RO_DATA$$Base = .; + *(.rodata*) + Image$$RO_DATA$$Limit = .; + + KEEP(*(.eh_frame*)) + } > SFLASH + + .ARM.extab : + { + *(.ARM.extab* .gnu.linkonce.armextab.*) + } > SFLASH + + __exidx_start = .; + .ARM.exidx : + { + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + } > SFLASH + __exidx_end = .; + + + .copy.table : + { + . = ALIGN(4); + __copy_table_start__ = .; + LONG (__etext) + LONG (__data_start__) + LONG (__data_end__ - __data_start__) + LONG (__etext2) + LONG (__nc_data_start) + LONG (__nc_data_end - __nc_data_start) + __copy_table_end__ = .; + } > SFLASH + + .zero.table : + { + . = ALIGN(4); + __zero_table_start__ = .; + LONG (__bss_start__) + LONG (__bss_end__ - __bss_start__) + LONG (__nc_bss_start) + LONG (__nc_bss_end - __nc_bss_start) + __zero_table_end__ = .; + } > SFLASH + + __etext = .; + + .ttb : + { + Image$$TTB$$ZI$$Base = .; + . += 0x00004000; + Image$$TTB$$ZI$$Limit = .; + } > L_TTB + + .data : AT (__etext) + { + Image$$RW_DATA$$Base = .; + __data_start__ = .; + *(vtable) + *(.data*) + Image$$RW_DATA$$Limit = .; + + . = 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 + + + .bss ALIGN(0x400): + { + Image$$ZI_DATA$$Base = .; + __bss_start__ = .; + *(.bss*) + *(COMMON) + __bss_end__ = .; + Image$$ZI_DATA$$Limit = .; + } > RAM + + + .heap : + { + __end__ = .; + end = __end__; + *(.heap*) + __HeapLimit = .; + } > RAM + + /* .stack_dummy section doesn't contains any symbols. It is only + * used for linker to calculate size of stack sections, and assign + * values to stack symbols later */ + .stack_dummy : + { + *(.stack) + } > RAM + + __etext2 = __etext + SIZEOF(.data); + .nc_data : AT (__etext2) + { + Image$$RW_DATA_NC$$Base = .; + __nc_data_start = .; + *(NC_DATA) + + . = ALIGN(4); + __nc_data_end = .; + Image$$RW_DATA_NC$$Limit = .; + } > RAM_NC + + .nc_bss (NOLOAD) : + { + Image$$ZI_DATA_NC$$Base = .; + __nc_bss_start = .; + *(NC_BSS) + + . = ALIGN(4); + __nc_bss_end = .; + Image$$ZI_DATA_NC$$Limit = .; + } > RAM_NC + + /* 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 - SIZEOF(.stack_dummy); + PROVIDE(__stack = __StackTop); + + /* Check if data + heap + stack exceeds RAM limit */ + ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack") + + +}