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First working MCF52221 demo.

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This commit is contained in:
Richard Barry 2008-10-21 10:18:47 +00:00
parent 094be62ef0
commit 58f3f932ee
9 changed files with 21 additions and 478 deletions
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133
Demo/ColdFire_MCF52221_CodeWarrior/lcf/MCF52221_CONSOLE_INTERNAL_RAM.lcf
View file

@ -1,133 +0,0 @@
# Sample Linker Command File for CodeWarrior for ColdFire
KEEP_SECTION {.vectortable}
# Memory ranges
MEMORY {
vectorram (RWX) : ORIGIN = 0x20000000, LENGTH = 0x00000500
code (RX) : ORIGIN = 0x20000500, LENGTH = 0x00002B00
userram (RWX) : ORIGIN = 0x20003000, LENGTH = 0x00001000
}
SECTIONS {
# Heap and Stack sizes definition
___heap_size = 0x400;
___stack_size = 0x400;
# MCF52221 Derivative Memory map definitions from linker command files:
# __IPSBAR, __RAMBAR, __RAMBAR_SIZE, __FLASHBAR, __FLASHBAR_SIZE linker
# symbols must be defined in the linker command file.
# Memory Mapped Registers (IPSBAR= 0x40000000)
___IPSBAR = 0x40000000;
# 16 Kbytes Internal SRAM
___RAMBAR = 0x20000000;
___RAMBAR_SIZE = 0x00004000;
# 128 KByte Internal Flash Memory
___FLASHBAR = 0x00000000;
___FLASHBAR_SIZE = 0x00020000;
___SP_AFTER_RESET = ___RAMBAR + ___RAMBAR_SIZE - 4;
.userram : {} > userram
.code : {} > code
.vectorram : {} > vectorram
.vectors :
{
exceptions.c(.vectortable)
. = ALIGN (0x4);
} >> code
.text :
{
*(.text)
. = ALIGN (0x4);
*(.rodata)
. = ALIGN (0x4);
___ROM_AT = .;
___DATA_ROM = .;
} >> code
.data : AT(___ROM_AT)
{
___DATA_RAM = .;
. = ALIGN(0x4);
*(.exception)
. = ALIGN(0x4);
__exception_table_start__ = .;
EXCEPTION
__exception_table_end__ = .;
___sinit__ = .;
STATICINIT
__START_DATA = .;
*(.data)
. = ALIGN (0x4);
__END_DATA = .;
__START_SDATA = .;
*(.sdata)
. = ALIGN (0x4);
__END_SDATA = .;
___DATA_END = .;
__SDA_BASE = .;
. = ALIGN (0x4);
} >> userram
.bss :
{
___BSS_START = .;
__START_SBSS = .;
*(.sbss)
. = ALIGN (0x4);
*(SCOMMON)
__END_SBSS = .;
__START_BSS = .;
*(.bss)
. = ALIGN (0x4);
*(COMMON)
__END_BSS = .;
___BSS_END = .;
. = ALIGN(0x4);
} >> userram
.custom :
{
___HEAP_START = .;
___heap_addr = ___HEAP_START;
___HEAP_END = ___HEAP_START + ___heap_size;
___SP_END = ___HEAP_END;
___SP_INIT = ___SP_END + ___stack_size;
. = ALIGN (0x4);
} >> userram
___VECTOR_RAM = ADDR(.vectorram);
__SP_INIT = ___SP_INIT;
_romp_at = ___ROM_AT + SIZEOF(.data);
.romp : AT(_romp_at)
{
__S_romp = _romp_at;
WRITEW(___ROM_AT);
WRITEW(ADDR(.data));
WRITEW(SIZEOF(.data));
WRITEW(0);
WRITEW(0);
WRITEW(0);
}
}

4
Demo/ColdFire_MCF52221_CodeWarrior/lcf/MCF52221_INTERNAL_FLASH.lcf
View file

@ -8,14 +8,14 @@ MEMORY {
vectorrom (RX) : ORIGIN = 0x00000000, LENGTH = 0x00000400
cfmprotrom (RX) : ORIGIN = 0x00000400, LENGTH = 0x00000020
code (RX) : ORIGIN = 0x00000500, LENGTH = 0x0001FB00
userram (RWX) : ORIGIN = 0x20000400, LENGTH = 0x00003C00
userram (RWX) : ORIGIN = 0x20000000, LENGTH = 0x00003C00
}
SECTIONS {
# Heap and Stack sizes definition
___heap_size = 0x4;
___stack_size = 0x200;
___stack_size = 0x100;

133
Demo/ColdFire_MCF52221_CodeWarrior/lcf/MCF52221_INTERNAL_RAM.lcf
View file

@ -1,133 +0,0 @@
# Sample Linker Command File for CodeWarrior for ColdFire
KEEP_SECTION {.vectortable}
# Memory ranges
MEMORY {
vectorram (RWX) : ORIGIN = 0x20000000, LENGTH = 0x00000500
code (RX) : ORIGIN = 0x20000500, LENGTH = 0x00002B00
userram (RWX) : ORIGIN = 0x20003000, LENGTH = 0x00001000
}
SECTIONS {
# Heap and Stack sizes definition
___heap_size = 0x400;
___stack_size = 0x400;
# MCF52221 Derivative Memory map definitions from linker command files:
# __IPSBAR, __RAMBAR, __RAMBAR_SIZE, __FLASHBAR, __FLASHBAR_SIZE linker
# symbols must be defined in the linker command file.
# Memory Mapped Registers (IPSBAR= 0x40000000)
___IPSBAR = 0x40000000;
# 16 Kbytes Internal SRAM
___RAMBAR = 0x20000000;
___RAMBAR_SIZE = 0x00004000;
# 128 KByte Internal Flash Memory
___FLASHBAR = 0x00000000;
___FLASHBAR_SIZE = 0x00020000;
___SP_AFTER_RESET = ___RAMBAR + ___RAMBAR_SIZE - 4;
.userram : {} > userram
.code : {} > code
.vectorram : {} > vectorram
.vectors :
{
exceptions.c(.vectortable)
. = ALIGN (0x4);
} >> code
.text :
{
*(.text)
. = ALIGN (0x4);
*(.rodata)
. = ALIGN (0x4);
___ROM_AT = .;
___DATA_ROM = .;
} >> code
.data : AT(___ROM_AT)
{
___DATA_RAM = .;
. = ALIGN(0x4);
*(.exception)
. = ALIGN(0x4);
__exception_table_start__ = .;
EXCEPTION
__exception_table_end__ = .;
___sinit__ = .;
STATICINIT
__START_DATA = .;
*(.data)
. = ALIGN (0x4);
__END_DATA = .;
__START_SDATA = .;
*(.sdata)
. = ALIGN (0x4);
__END_SDATA = .;
___DATA_END = .;
__SDA_BASE = .;
. = ALIGN (0x4);
} >> userram
.bss :
{
___BSS_START = .;
__START_SBSS = .;
*(.sbss)
. = ALIGN (0x4);
*(SCOMMON)
__END_SBSS = .;
__START_BSS = .;
*(.bss)
. = ALIGN (0x4);
*(COMMON)
__END_BSS = .;
___BSS_END = .;
. = ALIGN(0x4);
} >> userram
.custom :
{
___HEAP_START = .;
___heap_addr = ___HEAP_START;
___HEAP_END = ___HEAP_START + ___heap_size;
___SP_END = ___HEAP_END;
___SP_INIT = ___SP_END + ___stack_size;
. = ALIGN (0x4);
} >> userram
___VECTOR_RAM = ADDR(.vectorram);
__SP_INIT = ___SP_INIT;
_romp_at = ___ROM_AT + SIZEOF(.data);
.romp : AT(_romp_at)
{
__S_romp = _romp_at;
WRITEW(___ROM_AT);
WRITEW(ADDR(.data));
WRITEW(SIZEOF(.data));
WRITEW(0);
WRITEW(0);
WRITEW(0);
}
}